mainmenu "Libpayload Configuration"
-# When (if) we support multiple architectures, this will become an option.
+menu "Architecture Options"
+
+choice
+ prompt "Target Architecture"
+ default TARGET_I386
+
config TARGET_I386
- bool
- default y
+ bool "x86"
+ help
+ Support the x86 architecture
-menu "Architecture Options"
+config TARGET_POWERPC
+ bool "PowerPC"
+ help
+ Support the PowerPC architecture
+
+endchoice
config MULTIBOOT
bool "Multiboot header support"
+ depends on TARGET_I386
default y
endmenu
export obj := $(src)/build
export objk := $(src)/build/util/kconfig
-export KERNELVERSION := 0.1.0
+export KERNELVERSION := 0.2.0
export KCONFIG_AUTOHEADER := $(src)/include/libpayload-config.h
export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
include $(src)/.config
-ARCHDIR-$(CONFIG_TARGET_I386) := i386
+ARCHDIR-$(CONFIG_TARGET_I386) := i386
+ARCHDIR-$(CONFIG_TARGET_POWERPC) := powerpc
-PLATFORM-y += $(ARCHDIR-y)/Makefile.inc
+PLATFORM-y += arch/$(ARCHDIR-y)/Makefile.inc
TARGETS-y :=
BUILD-y := crypto/Makefile.inc libc/Makefile.inc drivers/Makefile.inc
include $(PLATFORM-y) $(BUILD-y)
OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y))
-INCLUDES := -Iinclude -Ibuild
+INCLUDES := -Iinclude -Ibuild -Iinclude/$(ARCHDIR-y)
INCLUDES += -I$(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
try-run= $(shell set -e; \
lib: $(obj)/lib/libpayload.a copystuff
# Copy libpayload.a and head.o into $(src)/lib where lpgcc et al expect them.
-copystuff: $(obj)/$(ARCHDIR-y)/head.S.o $(obj)/lib/libpayload.a
- $(Q)cp $(obj)/$(ARCHDIR-y)/head.S.o $(src)/lib/$(ARCHDIR-y)/head.o
+copystuff: $(obj)/arch/$(ARCHDIR-y)/head.S.o $(obj)/lib/libpayload.a
+ $(Q)cp $(obj)/arch/$(ARCHDIR-y)/head.S.o $(src)/lib/$(ARCHDIR-y)/head.o
$(Q)cp $(obj)/lib/libpayload.a $(src)/lib
$(obj)/lib/libpayload.a: prepare $(OBJS)
$(Q)mkdir -p $(obj)/util/kconfig/lxdialog
$(Q)mkdir -p $(obj)/crypto $(obj)/curses $(obj)/drivers/video
$(Q)mkdir -p $(obj)/drivers/usb
- $(Q)mkdir -p $(obj)/i386 $(obj)/lib/$(ARCHDIR-y) $(obj)/libc
+ $(Q)mkdir -p $(obj)/arch/$(ARCHDIR-y) $(obj)/lib/$(ARCHDIR-y) $(obj)/libc
$(Q)mkdir -p $(src)/lib/$(ARCHDIR-y)
doxy: doxygen
clean: doxygen-clean
$(Q)rm -rf $(obj)/crypto $(obj)/curses $(obj)/drivers
- $(Q)rm -rf $(obj)/i386 $(obj)/lib $(obj)/libc
- $(Q)rm -rf $(src)/lib/i386 $(src)/lib/libpayload.a
+ $(Q)rm -rf $(obj)/i386 $(obj)/powerpc $(obj)/lib $(obj)/libc
+ $(Q)rm -rf $(src)/lib/i386 $(src)/lib/powerpc $(src)/lib/libpayload.a
distclean: clean
$(Q)rm -rf build
--- /dev/null
+##
+## This file is part of the libpayload project.
+##
+## Copyright (C) 2008 Advanced Micro Devices, Inc.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions
+## are met:
+## 1. Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## 2. Redistributions in binary form must reproduce the above copyright
+## notice, this list of conditions and the following disclaimer in the
+## documentation and/or other materials provided with the distribution.
+## 3. The name of the author may not be used to endorse or promote products
+## derived from this software without specific prior written permission.
+##
+## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+## SUCH DAMAGE.
+##
+
+TARGETS-y += arch/i386/head.S.o arch/i386/main.o arch/i386/sysinfo.o
+TARGETS-y += arch/i386/timer.o arch/i386/coreboot.o arch/i386/util.S.o
+TARGETS-y += arch/i386/exec.S.o arch/i386/virtual.o
+
+# Multiboot support is configurable
+TARGETS-$(CONFIG_MULTIBOOT) += arch/i386/multiboot.o
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include <coreboot_tables.h>
+
+/*
+ * Some of this is x86 specific, and the rest of it is generic. Right now,
+ * since we only support x86, we'll avoid trying to make lots of infrastructure
+ * we don't need. If in the future, we want to use coreboot on some other
+ * architecture, then take out the generic parsing code and move it elsewhere.
+ */
+
+/* === Parsing code === */
+/* This is the generic parsing code. */
+
+static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_memory *mem = (struct cb_memory *)ptr;
+ int count = MEM_RANGE_COUNT(mem);
+ int i;
+
+ if (count > SYSINFO_MAX_MEM_RANGES)
+ count = SYSINFO_MAX_MEM_RANGES;
+
+ info->n_memranges = 0;
+
+ for (i = 0; i < count; i++) {
+ struct cb_memory_range *range =
+ (struct cb_memory_range *)MEM_RANGE_PTR(mem, i);
+
+#if MEMMAP_RAM_ONLY
+ if (range->type != CB_MEM_RAM)
+ continue;
+#endif
+
+ info->memrange[info->n_memranges].base =
+ UNPACK_CB64(range->start);
+
+ info->memrange[info->n_memranges].size =
+ UNPACK_CB64(range->size);
+
+ info->memrange[info->n_memranges].type = range->type;
+
+ info->n_memranges++;
+ }
+}
+
+static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_serial *ser = (struct cb_serial *)ptr;
+ info->ser_ioport = ser->ioport;
+}
+
+#ifdef CONFIG_NVRAM
+static void cb_parse_optiontable(unsigned char *ptr, struct sysinfo_t *info)
+{
+ info->option_table = (struct cb_cmos_option_table *)ptr;
+}
+
+static void cb_parse_checksum(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_cmos_checksum *cmos_cksum = (struct cb_cmos_checksum *)ptr;
+ info->cmos_range_start = cmos_cksum->range_start;
+ info->cmos_range_end = cmos_cksum->range_end;
+ info->cmos_checksum_location = cmos_cksum->location;
+}
+#endif
+
+static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
+{
+ struct cb_header *header;
+ unsigned char *ptr = (unsigned char *)addr;
+ int i;
+
+ for (i = 0; i < len; i += 16, ptr += 16) {
+ header = (struct cb_header *)ptr;
+ if (!strncmp((const char *)header->signature, "LBIO", 4))
+ break;
+ }
+
+ /* We walked the entire space and didn't find anything. */
+ if (i >= len)
+ return -1;
+
+ if (!header->table_bytes)
+ return 0;
+
+ /* Make sure the checksums match. */
+ if (ipchksum((u16 *) header, sizeof(*header)) != 0)
+ return -1;
+
+ if (ipchksum((u16 *) (ptr + sizeof(*header)),
+ header->table_bytes) != header->table_checksum)
+ return -1;
+
+ /* Now, walk the tables. */
+ ptr += header->header_bytes;
+
+ for (i = 0; i < header->table_entries; i++) {
+ struct cb_record *rec = (struct cb_record *)ptr;
+
+ /* We only care about a few tags here (maybe more later). */
+ switch (rec->tag) {
+ case CB_TAG_FORWARD:
+ return cb_parse_header((void *)(unsigned long)((struct cb_forward *)rec)->forward, len, info);
+ continue;
+ case CB_TAG_MEMORY:
+ cb_parse_memory(ptr, info);
+ break;
+ case CB_TAG_SERIAL:
+ cb_parse_serial(ptr, info);
+ break;
+#ifdef CONFIG_NVRAM
+ case CB_TAG_CMOS_OPTION_TABLE:
+ cb_parse_optiontable(ptr, info);
+ break;
+ case CB_TAG_OPTION_CHECKSUM:
+ cb_parse_checksum(ptr, info);
+ break;
+#endif
+ }
+
+ ptr += rec->size;
+ }
+
+ return 1;
+}
+
+/* == Architecture specific == */
+/* This is the x86 specific stuff. */
+
+int get_coreboot_info(struct sysinfo_t *info)
+{
+ int ret = cb_parse_header(phys_to_virt(0x00000000), 0x1000, info);
+
+ if (ret != 1)
+ ret = cb_parse_header(phys_to_virt(0x000f0000), 0x1000, info);
+
+ return (ret == 1) ? 0 : -1;
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* calling syntax: i386_do_exec(long addr, int argc, char **argv, int *ret) */
+
+/* This implements the payload API detailed here:
+ * http://www.coreboot.org/Payload_API
+ */
+
+.align 4
+.text
+
+.global i386_do_exec
+ .type i386_do_exec,@function
+
+i386_do_exec:
+ pushl %ebp
+ movl %esp, %ebp
+ pushl %eax
+
+ /* Put the run address in %eax */
+ movl 8(%ebp), %eax
+
+ /* Save off the rest of the registers */
+
+ pushl %esi
+ pushl %ecx
+ pushl %ebp
+
+ /* Push the argc and argv pointers on to the stack */
+
+ movl 12(%ebp), %esi
+ movl 16(%ebp), %ecx
+
+ pushl %esi
+ pushl %ecx
+
+ /* Move a "magic" number on the stack - the other
+ * payload will use this as a clue that the argc
+ * and argv are sane
+ */
+
+ movl $12345678, %ecx
+ pushl %ecx
+
+ /* Jump to the code */
+ call *%eax
+
+ /* %eax has the return value */
+
+ /* Skip over the argc/argv stuff still on the stack */
+ addl $12, %esp
+
+ /* Get back %ebp */
+ popl %ebp
+
+ /* Get the pointer to the return value
+ * and save the return value in it
+ */
+
+ movl 20(%ebp), %ecx
+ movl %eax, (%eax)
+
+ /* Get the rest of the saved registers */
+ popl %ecx
+ popl %esi
+ popl %eax
+
+ /* Restore the stack pointer */
+ movl %ebp,%esp
+ popl %ebp
+ ret
+
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ .code32
+ .global _entry, _leave
+ .text
+ .align 4
+
+/*
+ * Our entry point - assume that the CPU is in 32 bit protected mode and
+ * all segments are in a flat model. That's our operating mode, so we won't
+ * change anything.
+ */
+_entry:
+ call _init
+
+ /* We're back - go back to the bootloader. */
+ ret
+
+ .align 4
+
+#define MB_MAGIC 0x1BADB002
+#define MB_FLAGS 0x00010003
+
+mb_header:
+ .long MB_MAGIC
+ .long MB_FLAGS
+ .long -(MB_MAGIC + MB_FLAGS)
+ .long mb_header
+ .long _start
+ .long _edata
+ .long _end
+ .long _init
+
+/*
+ * This function saves off the previous stack and switches us to our
+ * own execution environment.
+ */
+_init:
+ /* No interrupts, please. */
+ cli
+
+ /* Store current stack pointer. */
+ movl %esp, %esi
+
+ /* Store EAX and EBX */
+
+ movl %eax,loader_eax
+ movl %ebx,loader_ebx
+
+ /* Setup new stack. */
+ movl $_stack, %ebx
+
+ movl %ebx, %esp
+
+ /* Save old stack pointer. */
+ pushl %esi
+
+ /* Let's rock. */
+ call start_main
+
+ /* %eax has the return value - pass it on unmolested */
+_leave:
+ /* Get old stack pointer. */
+ popl %ebx
+
+ /* Restore old stack. */
+ movl %ebx, %esp
+
+ /* Return to the original context. */
+ ret
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload.h>
+
+unsigned long loader_eax; /**< The value of EAX passed from the loader */
+unsigned long loader_ebx; /**< The value of EBX passed from the loader */
+
+unsigned int main_argc; /**< The argc value to pass to main() */
+
+/** The argv value to pass to main() */
+char *main_argv[MAX_ARGC_COUNT];
+
+/**
+ * This is our C entry function - set up the system
+ * and jump into the payload entry point.
+ */
+void start_main(void)
+{
+ extern int main(int argc, char **argv);
+
+ /* Set up the consoles. */
+ console_init();
+
+ /* Gather system information. */
+ lib_get_sysinfo();
+
+ /*
+ * Any other system init that has to happen before the
+ * user gets control goes here.
+ */
+
+ /*
+ * Go to the entry point.
+ * In the future we may care about the return value.
+ */
+
+ (void) main(main_argc, (main_argc != 0) ? main_argv : NULL);
+
+ /*
+ * Returning here will go to the _leave function to return
+ * us to the original context.
+ */
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include <multiboot_tables.h>
+
+extern unsigned long loader_eax;
+extern unsigned long loader_ebx;
+
+static void mb_parse_mmap(struct multiboot_header *table,
+ struct sysinfo_t *info)
+{
+ u8 *start = (u8 *) phys_to_virt(table->mmap_addr);
+ u8 *ptr = start;
+
+ info->n_memranges = 0;
+
+ while(ptr < (start + table->mmap_length)) {
+ struct multiboot_mmap *mmap = (struct multiboot_mmap *) ptr;
+
+#if MEMMAP_RAM_ONLY
+ /* 1 == normal RAM. Ignore everything else for now */
+
+ if (mmap->type == 1) {
+#endif
+ info->memrange[info->n_memranges].base = mmap->addr;
+ info->memrange[info->n_memranges].size = mmap->length;
+ info->memrange[info->n_memranges].type = mmap->type;
+
+ if (++info->n_memranges == SYSINFO_MAX_MEM_RANGES)
+ return;
+#if MEMMAP_RAM_ONLY
+ }
+#endif
+
+ ptr += (mmap->size + sizeof(mmap->size));
+ }
+}
+
+static void mb_parse_cmdline(struct multiboot_header *table)
+{
+ extern int main_argc;
+ extern char *main_argv[];
+ char *c = phys_to_virt(table->cmdline);
+
+ while(*c != '\0' && main_argc < MAX_ARGC_COUNT) {
+ main_argv[main_argc++] = c;
+
+ for( ; *c != '\0' && !isspace(*c); c++);
+
+ if (*c) {
+ *c = 0;
+ c++;
+ }
+ }
+}
+
+int get_multiboot_info(struct sysinfo_t *info)
+{
+ struct multiboot_header *table;
+
+ if (loader_eax != MULTIBOOT_MAGIC)
+ return -1;
+
+ table = (struct multiboot_header *) phys_to_virt(loader_ebx);
+
+ info->mbtable = phys_to_virt(loader_ebx);
+
+ if (table->flags & MULTIBOOT_FLAGS_MMAP)
+ mb_parse_mmap(table, info);
+
+ if (table->flags & MULTIBOOT_FLAGS_CMDLINE)
+ mb_parse_cmdline(table);
+
+ return 0;
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include <coreboot_tables.h>
+#include <multiboot_tables.h>
+
+/**
+ * This is a global structure that is used through the library - we set it
+ * up initially with some dummy values - hopefully they will be overridden.
+ */
+struct sysinfo_t lib_sysinfo = {
+ .cpu_khz = 200,
+#ifdef CONFIG_SERIAL_CONSOLE
+ .ser_ioport = CONFIG_SERIAL_IOBASE,
+#else
+ .ser_ioport = 0x3f8,
+#endif
+};
+
+void lib_get_sysinfo(void)
+{
+ /* Get the CPU speed (for delays). */
+ lib_sysinfo.cpu_khz = get_cpu_speed();
+
+#ifdef CONFIG_MULTIBOOT
+ /* Get the information from the multiboot tables,
+ * if they exist */
+ get_multiboot_info(&lib_sysinfo);
+#endif
+
+ /* Get information from the coreboot tables,
+ * if they exist */
+
+ get_coreboot_info(&lib_sysinfo);
+
+ if (!lib_sysinfo.n_memranges) {
+ /* If we can't get a good memory range, use the default. */
+ lib_sysinfo.n_memranges = 2;
+
+ lib_sysinfo.memrange[0].base = 0;
+ lib_sysinfo.memrange[0].size = 640 * 1024;
+ lib_sysinfo.memrange[0].type = CB_MEM_RAM;
+
+ lib_sysinfo.memrange[1].base = 1024 * 1024;
+ lib_sysinfo.memrange[1].size = 31 * 1024 * 1024;
+ lib_sysinfo.memrange[1].type = CB_MEM_RAM;
+ }
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/**
+ * @file i386/timer.c
+ * i386 specific timer routines
+ */
+
+#include <libpayload.h>
+#include <arch/rdtsc.h>
+
+/**
+ * @ingroup arch
+ * Global variable containing the speed of the processor in KHz.
+ */
+u32 cpu_khz;
+
+/**
+ * Calculate the speed of the processor for use in delays.
+ *
+ * @return The CPU speed in kHz.
+ */
+unsigned int get_cpu_speed(void)
+{
+ unsigned long long start, end;
+
+ /* Set up the PPC port - disable the speaker, enable the T2 gate. */
+ outb((inb(0x61) & ~0x02) | 0x01, 0x61);
+
+ /* Set the PIT to Mode 0, counter 2, word access. */
+ outb(0xB0, 0x43);
+
+ /* Load the counter with 0xffff. */
+ outb(0xff, 0x42);
+ outb(0xff, 0x42);
+
+ /* Read the number of ticks during the period. */
+ start = rdtsc();
+ while (!(inb(0x61) & 0x20)) ;
+ end = rdtsc();
+
+ /*
+ * The clock rate is 1193180 Hz, the number of milliseconds for a
+ * period of 0xffff is 1193180 / (0xFFFF * 1000) or .0182.
+ * Multiply that by the number of measured clocks to get the kHz value.
+ */
+ cpu_khz = (unsigned int)((end - start) * 1193180U / (1000 * 0xffff));
+
+ return cpu_khz;
+}
+
+static inline void _delay(unsigned long long delta)
+{
+ unsigned long long timeout = rdtsc() + delta;
+ while (rdtsc() < timeout) ;
+}
+
+/**
+ * Delay for a specified number of nanoseconds.
+ *
+ * @param n Number of nanoseconds to delay for.
+ */
+void ndelay(unsigned int n)
+{
+ _delay(n * cpu_khz / 1000000);
+}
+
+/**
+ * Delay for a specified number of microseconds.
+ *
+ * @param n Number of microseconds to delay for.
+ */
+void udelay(unsigned int n)
+{
+ _delay(n * cpu_khz / 1000);
+}
+
+/**
+ * Delay for a specified number of milliseconds.
+ *
+ * @param m Number of milliseconds to delay for.
+ */
+void mdelay(unsigned int m)
+{
+ _delay(m * cpu_khz);
+}
+
+/**
+ * Delay for a specified number of seconds.
+ *
+ * @param s Number of seconds to delay for.
+ */
+void delay(unsigned int s)
+{
+ _delay(s * cpu_khz * 1000);
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ .global halt
+ .text
+ .align 4
+
+/* This function puts the system into a halt. */
+halt:
+ cli
+ hlt
+ jmp halt
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+unsigned long virtual_offset = 0;
+
--- /dev/null
+##
+## This file is part of the libpayload project.
+##
+## Copyright (C) 2008 Advanced Micro Devices, Inc.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions
+## are met:
+## 1. Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## 2. Redistributions in binary form must reproduce the above copyright
+## notice, this list of conditions and the following disclaimer in the
+## documentation and/or other materials provided with the distribution.
+## 3. The name of the author may not be used to endorse or promote products
+## derived from this software without specific prior written permission.
+##
+## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+## SUCH DAMAGE.
+##
+
+TARGETS-y += arch/powerpc/head.S.o arch/powerpc/main.o arch/powerpc/sysinfo.o
+TARGETS-y += arch/powerpc/timer.o arch/powerpc/coreboot.o arch/powerpc/util.S.o
+TARGETS-y += arch/powerpc/exec.S.o arch/powerpc/virtual.o
+
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include <coreboot_tables.h>
+
+/*
+ * Some of this is x86 specific, and the rest of it is generic. Right now,
+ * since we only support x86, we'll avoid trying to make lots of infrastructure
+ * we don't need. If in the future, we want to use coreboot on some other
+ * architecture, then take out the generic parsing code and move it elsewhere.
+ */
+
+/* === Parsing code === */
+/* This is the generic parsing code. */
+
+static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_memory *mem = (struct cb_memory *)ptr;
+ int count = MEM_RANGE_COUNT(mem);
+ int i;
+
+ if (count > SYSINFO_MAX_MEM_RANGES)
+ count = SYSINFO_MAX_MEM_RANGES;
+
+ info->n_memranges = 0;
+
+ for (i = 0; i < count; i++) {
+ struct cb_memory_range *range =
+ (struct cb_memory_range *)MEM_RANGE_PTR(mem, i);
+
+#if MEMMAP_RAM_ONLY
+ if (range->type != CB_MEM_RAM)
+ continue;
+#endif
+
+ info->memrange[info->n_memranges].base =
+ UNPACK_CB64(range->start);
+
+ info->memrange[info->n_memranges].size =
+ UNPACK_CB64(range->size);
+
+ info->memrange[info->n_memranges].type = range->type;
+
+ info->n_memranges++;
+ }
+}
+
+static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_serial *ser = (struct cb_serial *)ptr;
+ info->ser_ioport = ser->ioport;
+}
+
+#ifdef CONFIG_NVRAM
+static void cb_parse_optiontable(unsigned char *ptr, struct sysinfo_t *info)
+{
+ info->option_table = (struct cb_cmos_option_table *)ptr;
+}
+
+static void cb_parse_checksum(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_cmos_checksum *cmos_cksum = (struct cb_cmos_checksum *)ptr;
+ info->cmos_range_start = cmos_cksum->range_start;
+ info->cmos_range_end = cmos_cksum->range_end;
+ info->cmos_checksum_location = cmos_cksum->location;
+}
+#endif
+
+static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
+{
+ struct cb_header *header;
+ unsigned char *ptr = (unsigned char *)addr;
+ int i;
+
+ for (i = 0; i < len; i += 16, ptr += 16) {
+ header = (struct cb_header *)ptr;
+ if (!strncmp((const char *)header->signature, "LBIO", 4))
+ break;
+ }
+
+ /* We walked the entire space and didn't find anything. */
+ if (i >= len)
+ return -1;
+
+ if (!header->table_bytes)
+ return 0;
+
+ /* Make sure the checksums match. */
+ if (ipchksum((u16 *) header, sizeof(*header)) != 0)
+ return -1;
+
+ if (ipchksum((u16 *) (ptr + sizeof(*header)),
+ header->table_bytes) != header->table_checksum)
+ return -1;
+
+ /* Now, walk the tables. */
+ ptr += header->header_bytes;
+
+ for (i = 0; i < header->table_entries; i++) {
+ struct cb_record *rec = (struct cb_record *)ptr;
+
+ /* We only care about a few tags here (maybe more later). */
+ switch (rec->tag) {
+ case CB_TAG_FORWARD:
+ return cb_parse_header((void *)(unsigned long)((struct cb_forward *)rec)->forward, len, info);
+ continue;
+ case CB_TAG_MEMORY:
+ cb_parse_memory(ptr, info);
+ break;
+ case CB_TAG_SERIAL:
+ cb_parse_serial(ptr, info);
+ break;
+#ifdef CONFIG_NVRAM
+ case CB_TAG_CMOS_OPTION_TABLE:
+ cb_parse_optiontable(ptr, info);
+ break;
+ case CB_TAG_OPTION_CHECKSUM:
+ cb_parse_checksum(ptr, info);
+ break;
+#endif
+ }
+
+ ptr += rec->size;
+ }
+
+ return 1;
+}
+
+/* == Architecture specific == */
+/* This is the x86 specific stuff. */
+
+int get_coreboot_info(struct sysinfo_t *info)
+{
+ int ret = cb_parse_header(phys_to_virt(0x00000000), 0x1000, info);
+
+ if (ret != 1)
+ ret = cb_parse_header(phys_to_virt(0x000f0000), 0x1000, info);
+
+ return (ret == 1) ? 0 : -1;
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* calling syntax: i386_do_exec(long addr, int argc, char **argv, int *ret) */
+
+/* This implements the payload API detailed here:
+ * http://www.coreboot.org/Payload_API
+ */
+
+.align 4
+.text
+
+.globl powerpc_do_exec
+ .type powerpc_do_exec,@function
+
+powerpc_do_exec:
+#if 0
+ pushl %ebp
+ movl %esp, %ebp
+ pushl %eax
+
+ /* Put the run address in %eax */
+ movl 8(%ebp), %eax
+
+ /* Save off the rest of the registers */
+
+ pushl %esi
+ pushl %ecx
+ pushl %ebp
+
+ /* Push the argc and argv pointers on to the stack */
+
+ movl 12(%ebp), %esi
+ movl 16(%ebp), %ecx
+
+ pushl %esi
+ pushl %ecx
+
+ /* Move a "magic" number on the stack - the other
+ * payload will use this as a clue that the argc
+ * and argv are sane
+ */
+
+ movl $12345678, %ecx
+ pushl %ecx
+
+ /* Jump to the code */
+ call *%eax
+
+ /* %eax has the return value */
+
+ /* Skip over the argc/argv stuff still on the stack */
+ addl $12, %esp
+
+ /* Get back %ebp */
+ popl %ebp
+
+ /* Get the pointer to the return value
+ * and save the return value in it
+ */
+
+ movl 20(%ebp), %ecx
+ movl %eax, (%eax)
+
+ /* Get the rest of the saved registers */
+ popl %ecx
+ popl %esi
+ popl %eax
+
+ /* Restore the stack pointer */
+ movl %ebp,%esp
+ popl %ebp
+ ret
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ .globl _entry, _leave
+ .text
+ .align 4
+
+/*
+ * Our entry point - assume that the CPU is in 32 bit protected mode and
+ * all segments are in a flat model. That's our operating mode, so we won't
+ * change anything.
+ */
+_entry:
+#if 0
+ call _init
+
+ /* We're back - go back to the bootloader. */
+ ret
+ .align 4
+
+
+/*
+ * This function saves off the previous stack and switches us to our
+ * own execution environment.
+ */
+_init:
+ /* No interrupts, please. */
+ cli
+
+ /* Store current stack pointer. */
+ movl %esp, %esi
+
+ /* Store EAX and EBX */
+
+ movl %eax,loader_eax
+ movl %ebx,loader_ebx
+
+ /* Setup new stack. */
+ movl $_stack, %ebx
+
+ movl %ebx, %esp
+
+ /* Save old stack pointer. */
+ pushl %esi
+
+ /* Let's rock. */
+ call start_main
+
+#endif
+ /* %eax has the return value - pass it on unmolested */
+_leave:
+#if 0
+ /* Get old stack pointer. */
+ popl %ebx
+
+ /* Restore old stack. */
+ movl %ebx, %esp
+
+ /* Return to the original context. */
+ ret
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload.h>
+
+unsigned long loader_eax; /**< The value of EAX passed from the loader */
+unsigned long loader_ebx; /**< The value of EBX passed from the loader */
+
+unsigned int main_argc; /**< The argc value to pass to main() */
+
+/** The argv value to pass to main() */
+char *main_argv[MAX_ARGC_COUNT];
+
+/**
+ * This is our C entry function - set up the system
+ * and jump into the payload entry point.
+ */
+void start_main(void)
+{
+ extern int main(int argc, char **argv);
+
+ /* Set up the consoles. */
+ console_init();
+
+ /* Gather system information. */
+ lib_get_sysinfo();
+
+ /*
+ * Any other system init that has to happen before the
+ * user gets control goes here.
+ */
+
+ /*
+ * Go to the entry point.
+ * In the future we may care about the return value.
+ */
+
+ (void) main(main_argc, (main_argc != 0) ? main_argv : NULL);
+
+ /*
+ * Returning here will go to the _leave function to return
+ * us to the original context.
+ */
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include <coreboot_tables.h>
+#include <multiboot_tables.h>
+
+/**
+ * This is a global structure that is used through the library - we set it
+ * up initially with some dummy values - hopefully they will be overridden.
+ */
+struct sysinfo_t lib_sysinfo = {
+ .cpu_khz = 200,
+#ifdef CONFIG_SERIAL_CONSOLE
+ .ser_ioport = CONFIG_SERIAL_IOBASE,
+#else
+ .ser_ioport = 0x3f8,
+#endif
+};
+
+void lib_get_sysinfo(void)
+{
+ /* Get the CPU speed (for delays). */
+ lib_sysinfo.cpu_khz = get_cpu_speed();
+
+#ifdef CONFIG_MULTIBOOT
+ /* Get the information from the multiboot tables,
+ * if they exist */
+ get_multiboot_info(&lib_sysinfo);
+#endif
+
+ /* Get information from the coreboot tables,
+ * if they exist */
+
+ get_coreboot_info(&lib_sysinfo);
+
+ if (!lib_sysinfo.n_memranges) {
+ /* If we can't get a good memory range, use the default. */
+ lib_sysinfo.n_memranges = 2;
+
+ lib_sysinfo.memrange[0].base = 0;
+ lib_sysinfo.memrange[0].size = 640 * 1024;
+ lib_sysinfo.memrange[0].type = CB_MEM_RAM;
+
+ lib_sysinfo.memrange[1].base = 1024 * 1024;
+ lib_sysinfo.memrange[1].size = 31 * 1024 * 1024;
+ lib_sysinfo.memrange[1].type = CB_MEM_RAM;
+ }
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/**
+ * @file i386/timer.c
+ * i386 specific timer routines
+ */
+
+#include <libpayload.h>
+// #include <arch/rdtsc.h>
+
+/**
+ * @ingroup arch
+ * Global variable containing the speed of the processor in KHz.
+ */
+u32 cpu_khz;
+
+/**
+ * Calculate the speed of the processor for use in delays.
+ *
+ * @return The CPU speed in kHz.
+ */
+unsigned int get_cpu_speed(void)
+{
+#if 0
+ unsigned long long start, end;
+
+ /* Set up the PPC port - disable the speaker, enable the T2 gate. */
+ outb((inb(0x61) & ~0x02) | 0x01, 0x61);
+
+ /* Set the PIT to Mode 0, counter 2, word access. */
+ outb(0xB0, 0x43);
+
+ /* Load the counter with 0xffff. */
+ outb(0xff, 0x42);
+ outb(0xff, 0x42);
+
+ /* Read the number of ticks during the period. */
+ start = rdtsc();
+ while (!(inb(0x61) & 0x20)) ;
+ end = rdtsc();
+
+ /*
+ * The clock rate is 1193180 Hz, the number of milliseconds for a
+ * period of 0xffff is 1193180 / (0xFFFF * 1000) or .0182.
+ * Multiply that by the number of measured clocks to get the kHz value.
+ */
+ cpu_khz = (unsigned int)((end - start) * 1193180U / (1000 * 0xffff));
+#else
+ cpu_khz = 200 * 1024;
+#endif
+ return cpu_khz;
+}
+
+static inline void _delay(unsigned long long delta)
+{
+#if 0
+ unsigned long long timeout = rdtsc() + delta;
+ while (rdtsc() < timeout) ;
+#endif
+}
+
+/**
+ * Delay for a specified number of nanoseconds.
+ *
+ * @param n Number of nanoseconds to delay for.
+ */
+void ndelay(unsigned int n)
+{
+ _delay(n * cpu_khz / 1000000);
+}
+
+/**
+ * Delay for a specified number of microseconds.
+ *
+ * @param n Number of microseconds to delay for.
+ */
+void udelay(unsigned int n)
+{
+ _delay(n * cpu_khz / 1000);
+}
+
+/**
+ * Delay for a specified number of milliseconds.
+ *
+ * @param m Number of milliseconds to delay for.
+ */
+void mdelay(unsigned int m)
+{
+ _delay(m * cpu_khz);
+}
+
+/**
+ * Delay for a specified number of seconds.
+ *
+ * @param s Number of seconds to delay for.
+ */
+void delay(unsigned int s)
+{
+ _delay(s * cpu_khz * 1000);
+}
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ .globl halt
+ .text
+ .align 4
+
+/* This function puts the system into a halt. */
+halt:
+#if 0
+ cli
+ hlt
+ jmp halt
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+unsigned long virtual_offset = 0;
+
#
# Automatically generated make config: don't edit
-# libpayload version: 0.1.0
-# Thu Sep 25 16:03:40 2008
+# libpayload version: 0.2.0
+# Thu May 21 12:01:39 2009
#
-CONFIG_TARGET_I386=y
#
# Architecture Options
#
+CONFIG_TARGET_I386=y
+# CONFIG_TARGET_POWERPC is not set
# CONFIG_MULTIBOOT is not set
#
+++ /dev/null
-##
-## This file is part of the libpayload project.
-##
-## Copyright (C) 2008 Advanced Micro Devices, Inc.
-##
-## Redistribution and use in source and binary forms, with or without
-## modification, are permitted provided that the following conditions
-## are met:
-## 1. Redistributions of source code must retain the above copyright
-## notice, this list of conditions and the following disclaimer.
-## 2. Redistributions in binary form must reproduce the above copyright
-## notice, this list of conditions and the following disclaimer in the
-## documentation and/or other materials provided with the distribution.
-## 3. The name of the author may not be used to endorse or promote products
-## derived from this software without specific prior written permission.
-##
-## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-## SUCH DAMAGE.
-##
-
-TARGETS-y += i386/head.S.o i386/main.o i386/sysinfo.o
-TARGETS-y += i386/timer.o i386/coreboot.o i386/util.S.o
-TARGETS-y += i386/exec.S.o i386/virtual.o
-
-# Multiboot support is configurable
-TARGETS-$(CONFIG_MULTIBOOT) += i386/multiboot.o
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- * Copyright (C) 2009 coresystems GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <libpayload-config.h>
-#include <libpayload.h>
-#include <coreboot_tables.h>
-
-/*
- * Some of this is x86 specific, and the rest of it is generic. Right now,
- * since we only support x86, we'll avoid trying to make lots of infrastructure
- * we don't need. If in the future, we want to use coreboot on some other
- * architecture, then take out the generic parsing code and move it elsewhere.
- */
-
-/* === Parsing code === */
-/* This is the generic parsing code. */
-
-static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
-{
- struct cb_memory *mem = (struct cb_memory *)ptr;
- int count = MEM_RANGE_COUNT(mem);
- int i;
-
- if (count > SYSINFO_MAX_MEM_RANGES)
- count = SYSINFO_MAX_MEM_RANGES;
-
- info->n_memranges = 0;
-
- for (i = 0; i < count; i++) {
- struct cb_memory_range *range =
- (struct cb_memory_range *)MEM_RANGE_PTR(mem, i);
-
-#if MEMMAP_RAM_ONLY
- if (range->type != CB_MEM_RAM)
- continue;
-#endif
-
- info->memrange[info->n_memranges].base =
- UNPACK_CB64(range->start);
-
- info->memrange[info->n_memranges].size =
- UNPACK_CB64(range->size);
-
- info->memrange[info->n_memranges].type = range->type;
-
- info->n_memranges++;
- }
-}
-
-static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
-{
- struct cb_serial *ser = (struct cb_serial *)ptr;
- info->ser_ioport = ser->ioport;
-}
-
-#ifdef CONFIG_NVRAM
-static void cb_parse_optiontable(unsigned char *ptr, struct sysinfo_t *info)
-{
- info->option_table = (struct cb_cmos_option_table *)ptr;
-}
-
-static void cb_parse_checksum(unsigned char *ptr, struct sysinfo_t *info)
-{
- struct cb_cmos_checksum *cmos_cksum = (struct cb_cmos_checksum *)ptr;
- info->cmos_range_start = cmos_cksum->range_start;
- info->cmos_range_end = cmos_cksum->range_end;
- info->cmos_checksum_location = cmos_cksum->location;
-}
-#endif
-
-static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
-{
- struct cb_header *header;
- unsigned char *ptr = (unsigned char *)addr;
- int i;
-
- for (i = 0; i < len; i += 16, ptr += 16) {
- header = (struct cb_header *)ptr;
- if (!strncmp((const char *)header->signature, "LBIO", 4))
- break;
- }
-
- /* We walked the entire space and didn't find anything. */
- if (i >= len)
- return -1;
-
- if (!header->table_bytes)
- return 0;
-
- /* Make sure the checksums match. */
- if (ipchksum((u16 *) header, sizeof(*header)) != 0)
- return -1;
-
- if (ipchksum((u16 *) (ptr + sizeof(*header)),
- header->table_bytes) != header->table_checksum)
- return -1;
-
- /* Now, walk the tables. */
- ptr += header->header_bytes;
-
- for (i = 0; i < header->table_entries; i++) {
- struct cb_record *rec = (struct cb_record *)ptr;
-
- /* We only care about a few tags here (maybe more later). */
- switch (rec->tag) {
- case CB_TAG_FORWARD:
- return cb_parse_header((void *)(unsigned long)((struct cb_forward *)rec)->forward, len, info);
- continue;
- case CB_TAG_MEMORY:
- cb_parse_memory(ptr, info);
- break;
- case CB_TAG_SERIAL:
- cb_parse_serial(ptr, info);
- break;
-#ifdef CONFIG_NVRAM
- case CB_TAG_CMOS_OPTION_TABLE:
- cb_parse_optiontable(ptr, info);
- break;
- case CB_TAG_OPTION_CHECKSUM:
- cb_parse_checksum(ptr, info);
- break;
-#endif
- }
-
- ptr += rec->size;
- }
-
- return 1;
-}
-
-/* == Architecture specific == */
-/* This is the x86 specific stuff. */
-
-int get_coreboot_info(struct sysinfo_t *info)
-{
- int ret = cb_parse_header(phys_to_virt(0x00000000), 0x1000, info);
-
- if (ret != 1)
- ret = cb_parse_header(phys_to_virt(0x000f0000), 0x1000, info);
-
- return (ret == 1) ? 0 : -1;
-}
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/* calling syntax: i386_do_exec(long addr, int argc, char **argv, int *ret) */
-
-/* This implements the payload API detailed here:
- * http://www.coreboot.org/Payload_API
- */
-
-.align 4
-.text
-
-.global i386_do_exec
- .type i386_do_exec,@function
-
-i386_do_exec:
- pushl %ebp
- movl %esp, %ebp
- pushl %eax
-
- /* Put the run address in %eax */
- movl 8(%ebp), %eax
-
- /* Save off the rest of the registers */
-
- pushl %esi
- pushl %ecx
- pushl %ebp
-
- /* Push the argc and argv pointers on to the stack */
-
- movl 12(%ebp), %esi
- movl 16(%ebp), %ecx
-
- pushl %esi
- pushl %ecx
-
- /* Move a "magic" number on the stack - the other
- * payload will use this as a clue that the argc
- * and argv are sane
- */
-
- movl $12345678, %ecx
- pushl %ecx
-
- /* Jump to the code */
- call *%eax
-
- /* %eax has the return value */
-
- /* Skip over the argc/argv stuff still on the stack */
- addl $12, %esp
-
- /* Get back %ebp */
- popl %ebp
-
- /* Get the pointer to the return value
- * and save the return value in it
- */
-
- movl 20(%ebp), %ecx
- movl %eax, (%eax)
-
- /* Get the rest of the saved registers */
- popl %ecx
- popl %esi
- popl %eax
-
- /* Restore the stack pointer */
- movl %ebp,%esp
- popl %ebp
- ret
-
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- .code32
- .global _entry, _leave
- .text
- .align 4
-
-/*
- * Our entry point - assume that the CPU is in 32 bit protected mode and
- * all segments are in a flat model. That's our operating mode, so we won't
- * change anything.
- */
-_entry:
- call _init
-
- /* We're back - go back to the bootloader. */
- ret
-
- .align 4
-
-#define MB_MAGIC 0x1BADB002
-#define MB_FLAGS 0x00010003
-
-mb_header:
- .long MB_MAGIC
- .long MB_FLAGS
- .long -(MB_MAGIC + MB_FLAGS)
- .long mb_header
- .long _start
- .long _edata
- .long _end
- .long _init
-
-/*
- * This function saves off the previous stack and switches us to our
- * own execution environment.
- */
-_init:
- /* No interrupts, please. */
- cli
-
- /* Store current stack pointer. */
- movl %esp, %esi
-
- /* Store EAX and EBX */
-
- movl %eax,loader_eax
- movl %ebx,loader_ebx
-
- /* Setup new stack. */
- movl $_stack, %ebx
-
- movl %ebx, %esp
-
- /* Save old stack pointer. */
- pushl %esi
-
- /* Let's rock. */
- call start_main
-
- /* %eax has the return value - pass it on unmolested */
-_leave:
- /* Get old stack pointer. */
- popl %ebx
-
- /* Restore old stack. */
- movl %ebx, %esp
-
- /* Return to the original context. */
- ret
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <libpayload.h>
-
-unsigned long loader_eax; /**< The value of EAX passed from the loader */
-unsigned long loader_ebx; /**< The value of EBX passed from the loader */
-
-unsigned int main_argc; /**< The argc value to pass to main() */
-
-/** The argv value to pass to main() */
-char *main_argv[MAX_ARGC_COUNT];
-
-/**
- * This is our C entry function - set up the system
- * and jump into the payload entry point.
- */
-void start_main(void)
-{
- extern int main(int argc, char **argv);
-
- /* Set up the consoles. */
- console_init();
-
- /* Gather system information. */
- lib_get_sysinfo();
-
- /*
- * Any other system init that has to happen before the
- * user gets control goes here.
- */
-
- /*
- * Go to the entry point.
- * In the future we may care about the return value.
- */
-
- (void) main(main_argc, (main_argc != 0) ? main_argv : NULL);
-
- /*
- * Returning here will go to the _leave function to return
- * us to the original context.
- */
-}
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <libpayload-config.h>
-#include <libpayload.h>
-#include <multiboot_tables.h>
-
-extern unsigned long loader_eax;
-extern unsigned long loader_ebx;
-
-static void mb_parse_mmap(struct multiboot_header *table,
- struct sysinfo_t *info)
-{
- u8 *start = (u8 *) phys_to_virt(table->mmap_addr);
- u8 *ptr = start;
-
- info->n_memranges = 0;
-
- while(ptr < (start + table->mmap_length)) {
- struct multiboot_mmap *mmap = (struct multiboot_mmap *) ptr;
-
-#if MEMMAP_RAM_ONLY
- /* 1 == normal RAM. Ignore everything else for now */
-
- if (mmap->type == 1) {
-#endif
- info->memrange[info->n_memranges].base = mmap->addr;
- info->memrange[info->n_memranges].size = mmap->length;
- info->memrange[info->n_memranges].type = mmap->type;
-
- if (++info->n_memranges == SYSINFO_MAX_MEM_RANGES)
- return;
-#if MEMMAP_RAM_ONLY
- }
-#endif
-
- ptr += (mmap->size + sizeof(mmap->size));
- }
-}
-
-static void mb_parse_cmdline(struct multiboot_header *table)
-{
- extern int main_argc;
- extern char *main_argv[];
- char *c = phys_to_virt(table->cmdline);
-
- while(*c != '\0' && main_argc < MAX_ARGC_COUNT) {
- main_argv[main_argc++] = c;
-
- for( ; *c != '\0' && !isspace(*c); c++);
-
- if (*c) {
- *c = 0;
- c++;
- }
- }
-}
-
-int get_multiboot_info(struct sysinfo_t *info)
-{
- struct multiboot_header *table;
-
- if (loader_eax != MULTIBOOT_MAGIC)
- return -1;
-
- table = (struct multiboot_header *) phys_to_virt(loader_ebx);
-
- info->mbtable = phys_to_virt(loader_ebx);
-
- if (table->flags & MULTIBOOT_FLAGS_MMAP)
- mb_parse_mmap(table, info);
-
- if (table->flags & MULTIBOOT_FLAGS_CMDLINE)
- mb_parse_cmdline(table);
-
- return 0;
-}
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <libpayload-config.h>
-#include <libpayload.h>
-#include <coreboot_tables.h>
-#include <multiboot_tables.h>
-
-/**
- * This is a global structure that is used through the library - we set it
- * up initially with some dummy values - hopefully they will be overridden.
- */
-struct sysinfo_t lib_sysinfo = {
- .cpu_khz = 200,
-#ifdef CONFIG_SERIAL_CONSOLE
- .ser_ioport = CONFIG_SERIAL_IOBASE,
-#else
- .ser_ioport = 0x3f8,
-#endif
-};
-
-void lib_get_sysinfo(void)
-{
- /* Get the CPU speed (for delays). */
- lib_sysinfo.cpu_khz = get_cpu_speed();
-
-#ifdef CONFIG_MULTIBOOT
- /* Get the information from the multiboot tables,
- * if they exist */
- get_multiboot_info(&lib_sysinfo);
-#endif
-
- /* Get information from the coreboot tables,
- * if they exist */
-
- get_coreboot_info(&lib_sysinfo);
-
- if (!lib_sysinfo.n_memranges) {
- /* If we can't get a good memory range, use the default. */
- lib_sysinfo.n_memranges = 2;
-
- lib_sysinfo.memrange[0].base = 0;
- lib_sysinfo.memrange[0].size = 640 * 1024;
- lib_sysinfo.memrange[0].type = CB_MEM_RAM;
-
- lib_sysinfo.memrange[1].base = 1024 * 1024;
- lib_sysinfo.memrange[1].size = 31 * 1024 * 1024;
- lib_sysinfo.memrange[1].type = CB_MEM_RAM;
- }
-}
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/**
- * @file i386/timer.c
- * i386 specific timer routines
- */
-
-#include <libpayload.h>
-#include <arch/rdtsc.h>
-
-/**
- * @ingroup arch
- * Global variable containing the speed of the processor in KHz.
- */
-u32 cpu_khz;
-
-/**
- * Calculate the speed of the processor for use in delays.
- *
- * @return The CPU speed in kHz.
- */
-unsigned int get_cpu_speed(void)
-{
- unsigned long long start, end;
-
- /* Set up the PPC port - disable the speaker, enable the T2 gate. */
- outb((inb(0x61) & ~0x02) | 0x01, 0x61);
-
- /* Set the PIT to Mode 0, counter 2, word access. */
- outb(0xB0, 0x43);
-
- /* Load the counter with 0xffff. */
- outb(0xff, 0x42);
- outb(0xff, 0x42);
-
- /* Read the number of ticks during the period. */
- start = rdtsc();
- while (!(inb(0x61) & 0x20)) ;
- end = rdtsc();
-
- /*
- * The clock rate is 1193180 Hz, the number of milliseconds for a
- * period of 0xffff is 1193180 / (0xFFFF * 1000) or .0182.
- * Multiply that by the number of measured clocks to get the kHz value.
- */
- cpu_khz = (unsigned int)((end - start) * 1193180U / (1000 * 0xffff));
-
- return cpu_khz;
-}
-
-static inline void _delay(unsigned long long delta)
-{
- unsigned long long timeout = rdtsc() + delta;
- while (rdtsc() < timeout) ;
-}
-
-/**
- * Delay for a specified number of nanoseconds.
- *
- * @param n Number of nanoseconds to delay for.
- */
-void ndelay(unsigned int n)
-{
- _delay(n * cpu_khz / 1000000);
-}
-
-/**
- * Delay for a specified number of microseconds.
- *
- * @param n Number of microseconds to delay for.
- */
-void udelay(unsigned int n)
-{
- _delay(n * cpu_khz / 1000);
-}
-
-/**
- * Delay for a specified number of milliseconds.
- *
- * @param m Number of milliseconds to delay for.
- */
-void mdelay(unsigned int m)
-{
- _delay(m * cpu_khz);
-}
-
-/**
- * Delay for a specified number of seconds.
- *
- * @param s Number of seconds to delay for.
- */
-void delay(unsigned int s)
-{
- _delay(s * cpu_khz * 1000);
-}
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- .global halt
- .text
- .align 4
-
-/* This function puts the system into a halt. */
-halt:
- cli
- hlt
- jmp halt
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 coresystems GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-
-unsigned long virtual_offset = 0;
-
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _ARCH_ENDIAN_H
-#define _ARCH_ENDIAN_H
-
-#include <arch/types.h>
-
-#define ntohw(in) ((( (in) & 0xFF) << 8) | (( (in) & 0xFF00) >> 8))
-
-#define ntohl(in) ((( (in) & 0xFF) << 24) | (( (in) & 0xFF00) << 8) | \
- (( (in) & 0xFF0000) >> 8) | (( (in) & 0xFF000000) >> 24))
-
-#define ntohll(in) (((u64) ntohl( (in) & 0xFFFFFFFF) << 32) | ((u64) ntohl( (in) >> 32)))
-#endif
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- * Copyright (C) 2008 coresystems GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _ARCH_IO_H
-#define _ARCH_IO_H
-
-#define readb(_a) (*(volatile unsigned char *) (_a))
-#define readw(_a) (*(volatile unsigned short *) (_a))
-#define readl(_a) (*(volatile unsigned long *) (_a))
-
-#define writeb(_v, _a) (*(volatile unsigned char *) (_a) = (_v))
-#define writew(_v, _a) (*(volatile unsigned short *) (_a) = (_v))
-#define writel(_v, _a) (*(volatile unsigned long *) (_a) = (_v))
-
-static inline unsigned long inl(int port)
-{
- unsigned long val;
- __asm__ __volatile__("inl %w1, %0" : "=a"(val) : "Nd"(port));
- return val;
-}
-
-static inline unsigned short inw(int port)
-{
- unsigned short val;
- __asm__ __volatile__("inw %w1, %w0" : "=a"(val) : "Nd"(port));
- return val;
-}
-
-static inline unsigned char inb(int port)
-{
- unsigned char val;
- __asm__ __volatile__("inb %w1, %b0" : "=a"(val) : "Nd"(port));
- return val;
-}
-
-static inline void outl(unsigned long val, int port)
-{
- __asm__ __volatile__("outl %0, %w1" : : "a"(val), "Nd"(port));
-}
-
-static inline void outw(unsigned short val, int port)
-{
- __asm__ __volatile__("outw %w0, %w1" : : "a"(val), "Nd"(port));
-}
-
-static inline void outb(unsigned char val, int port)
-{
- __asm__ __volatile__("outb %b0, %w1" : : "a"(val), "Nd"(port));
-}
-
-static inline void outsl(int port, const void *addr, unsigned long count)
-{
- __asm__ __volatile__("rep; outsl" : "+S"(addr), "+c"(count) : "d"(port));
-}
-
-static inline void outsw(int port, const void *addr, unsigned long count)
-{
- __asm__ __volatile__("rep; outsw" : "+S"(addr), "+c"(count) : "d"(port));
-}
-
-static inline void outsb(int port, const void *addr, unsigned long count)
-{
- __asm__ __volatile__("rep; outsb" : "+S"(addr), "+c"(count) : "d"(port));
-}
-
-static inline void insl(int port, void *addr, unsigned long count)
-{
- __asm__ __volatile__("rep; insl" : "+D"(addr), "+c"(count) : "d"(port));
-}
-
-static inline void insw(int port, void *addr, unsigned long count)
-{
- __asm__ __volatile__("rep; insw" : "+D"(addr), "+c"(count) : "d"(port));
-}
-
-static inline void insb(int port, void *addr, unsigned long count)
-{
- __asm__ __volatile__("rep; insb" : "+D"(addr), "+c"(count) : "d"(port));
-}
-
-#endif
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _ARCH_MSR_H
-#define _ARCH_MSR_H
-
-static inline unsigned long long _rdmsr(unsigned int msr)
-{
- unsigned long long val;
- asm volatile("rdmsr" : "=A" (val) : "c" (msr));
- return val;
-}
-
-static inline void _wrmsr(unsigned int msr, unsigned long long val)
-{
- asm volatile("wrmsr" : : "c" (msr), "A"(val));
-}
-
-#define rdmsr(_m, _l, _h) \
- do { \
- unsigned long long _v = _rdmsr((_m)); \
- (_l) = (unsigned int) _v; \
- (_h) = (unsigned int) ((_v >> 32) & 0xFFFFFFFF); \
- } while(0)
-
-static inline void wrmsr(unsigned int msr, unsigned int lo, unsigned int hi)
-{
- unsigned long long val = (((unsigned long long) hi) << 32) | lo;
- _wrmsr(msr, val);
-}
-
-#endif
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _ARCH_RDTSC_H
-#define _ARCH_RDTSC_H
-
-static u64 rdtsc(void)
-{
- u64 val;
- __asm__ __volatile__ ("rdtsc" : "=A" (val));
- return val;
-}
-
-#endif
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _ARCH_TYPES_H
-#define _ARCH_TYPES_H
-
-typedef unsigned char uint8_t;
-typedef unsigned char u8;
-typedef signed char int8_t;
-typedef signed char s8;
-
-typedef unsigned short uint16_t;
-typedef unsigned short u16;
-typedef signed short int16_t;
-typedef signed short s16;
-
-typedef unsigned int uint32_t;
-typedef unsigned int u32;
-typedef signed int int32_t;
-typedef signed int s32;
-
-typedef unsigned long long uint64_t;
-typedef unsigned long long u64;
-typedef signed long long int64_t;
-typedef signed long long s64;
-
-typedef long time_t;
-typedef long suseconds_t;
-
-#ifndef NULL
-#define NULL ((void *)0)
-#endif
-
-#endif
+++ /dev/null
-/*
- * This file is part of the libpayload project.
- *
- * Copyright (C) 2008 coresystems GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _ARCH_VIRTUAL_H
-#define _ARCH_VIRTUAL_H
-
-extern unsigned long virtual_offset;
-
-#define virt_to_phys(virt) ((unsigned long) (virt) + virtual_offset)
-#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virtual_offset))
-
-#define virt_to_bus(addr) virt_to_phys(addr)
-#define bus_to_virt(addr) phys_to_virt(addr)
-
-#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_ENDIAN_H
+#define _ARCH_ENDIAN_H
+
+#include <arch/types.h>
+
+#define ntohw(in) ((( (in) & 0xFF) << 8) | (( (in) & 0xFF00) >> 8))
+
+#define ntohl(in) ((( (in) & 0xFF) << 24) | (( (in) & 0xFF00) << 8) | \
+ (( (in) & 0xFF0000) >> 8) | (( (in) & 0xFF000000) >> 24))
+
+#define ntohll(in) (((u64) ntohl( (in) & 0xFFFFFFFF) << 32) | ((u64) ntohl( (in) >> 32)))
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_IO_H
+#define _ARCH_IO_H
+
+#define readb(_a) (*(volatile unsigned char *) (_a))
+#define readw(_a) (*(volatile unsigned short *) (_a))
+#define readl(_a) (*(volatile unsigned long *) (_a))
+
+#define writeb(_v, _a) (*(volatile unsigned char *) (_a) = (_v))
+#define writew(_v, _a) (*(volatile unsigned short *) (_a) = (_v))
+#define writel(_v, _a) (*(volatile unsigned long *) (_a) = (_v))
+
+static inline unsigned long inl(int port)
+{
+ unsigned long val;
+ __asm__ __volatile__("inl %w1, %0" : "=a"(val) : "Nd"(port));
+ return val;
+}
+
+static inline unsigned short inw(int port)
+{
+ unsigned short val;
+ __asm__ __volatile__("inw %w1, %w0" : "=a"(val) : "Nd"(port));
+ return val;
+}
+
+static inline unsigned char inb(int port)
+{
+ unsigned char val;
+ __asm__ __volatile__("inb %w1, %b0" : "=a"(val) : "Nd"(port));
+ return val;
+}
+
+static inline void outl(unsigned long val, int port)
+{
+ __asm__ __volatile__("outl %0, %w1" : : "a"(val), "Nd"(port));
+}
+
+static inline void outw(unsigned short val, int port)
+{
+ __asm__ __volatile__("outw %w0, %w1" : : "a"(val), "Nd"(port));
+}
+
+static inline void outb(unsigned char val, int port)
+{
+ __asm__ __volatile__("outb %b0, %w1" : : "a"(val), "Nd"(port));
+}
+
+static inline void outsl(int port, const void *addr, unsigned long count)
+{
+ __asm__ __volatile__("rep; outsl" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void outsw(int port, const void *addr, unsigned long count)
+{
+ __asm__ __volatile__("rep; outsw" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void outsb(int port, const void *addr, unsigned long count)
+{
+ __asm__ __volatile__("rep; outsb" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insl(int port, void *addr, unsigned long count)
+{
+ __asm__ __volatile__("rep; insl" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insw(int port, void *addr, unsigned long count)
+{
+ __asm__ __volatile__("rep; insw" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insb(int port, void *addr, unsigned long count)
+{
+ __asm__ __volatile__("rep; insb" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_MSR_H
+#define _ARCH_MSR_H
+
+static inline unsigned long long _rdmsr(unsigned int msr)
+{
+ unsigned long long val;
+ asm volatile("rdmsr" : "=A" (val) : "c" (msr));
+ return val;
+}
+
+static inline void _wrmsr(unsigned int msr, unsigned long long val)
+{
+ asm volatile("wrmsr" : : "c" (msr), "A"(val));
+}
+
+#define rdmsr(_m, _l, _h) \
+ do { \
+ unsigned long long _v = _rdmsr((_m)); \
+ (_l) = (unsigned int) _v; \
+ (_h) = (unsigned int) ((_v >> 32) & 0xFFFFFFFF); \
+ } while(0)
+
+static inline void wrmsr(unsigned int msr, unsigned int lo, unsigned int hi)
+{
+ unsigned long long val = (((unsigned long long) hi) << 32) | lo;
+ _wrmsr(msr, val);
+}
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_RDTSC_H
+#define _ARCH_RDTSC_H
+
+static u64 rdtsc(void)
+{
+ u64 val;
+ __asm__ __volatile__ ("rdtsc" : "=A" (val));
+ return val;
+}
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_TYPES_H
+#define _ARCH_TYPES_H
+
+typedef unsigned char uint8_t;
+typedef unsigned char u8;
+typedef signed char int8_t;
+typedef signed char s8;
+
+typedef unsigned short uint16_t;
+typedef unsigned short u16;
+typedef signed short int16_t;
+typedef signed short s16;
+
+typedef unsigned int uint32_t;
+typedef unsigned int u32;
+typedef signed int int32_t;
+typedef signed int s32;
+
+typedef unsigned long long uint64_t;
+typedef unsigned long long u64;
+typedef signed long long int64_t;
+typedef signed long long s64;
+
+typedef long time_t;
+typedef long suseconds_t;
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_VIRTUAL_H
+#define _ARCH_VIRTUAL_H
+
+extern unsigned long virtual_offset;
+
+#define virt_to_phys(virt) ((unsigned long) (virt) + virtual_offset)
+#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virtual_offset))
+
+#define virt_to_bus(addr) virt_to_phys(addr)
+#define bus_to_virt(addr) phys_to_virt(addr)
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_ENDIAN_H
+#define _ARCH_ENDIAN_H
+
+#include <arch/types.h>
+
+#define ntohw(in) (in)
+
+#define ntohl(in) (in)
+
+#define ntohll(in) (in)
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_IO_H
+#define _ARCH_IO_H
+
+extern uint32_t isa_io_base;
+
+#define readb(_a) (*(volatile unsigned char *) (_a))
+#define readw(_a) (*(volatile unsigned short *) (_a))
+#define readl(_a) (*(volatile unsigned long *) (_a))
+
+#define writeb(_v, _a) (*(volatile unsigned char *) (_a) = (_v))
+#define writew(_v, _a) (*(volatile unsigned short *) (_a) = (_v))
+#define writel(_v, _a) (*(volatile unsigned long *) (_a) = (_v))
+
+static inline unsigned long inl(int port)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ unsigned long val;
+ __asm__ __volatile__("lhbrx %0,0,%1; eieio":"=r"(val):
+ "r"(addr), "m"(*addr));
+ return val;
+}
+
+static inline unsigned short inw(int port)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ unsigned short val;
+ __asm__ __volatile__("lwbrx %0,0,%1; eieio":"=r"(val):"r"(addr), "m"(*addr));
+ return val;
+}
+
+static inline unsigned char inb(int port)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ unsigned char val;
+ __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio":"=r"(val):"m"(*addr));
+ return val;
+}
+
+static inline void outl(unsigned long val, int port)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ __asm__ __volatile__("stb%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
+}
+
+static inline void outw(unsigned short val, int port)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ __asm__ __volatile__("sthbrx %1,0,%2; eieio":"=m"(*addr):"r"(val),"r"(addr));
+}
+
+static inline void outb(unsigned char val, int port)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ __asm__ __volatile__("stwbrx %1,0,%2; eieio":"=m"(*addr):"r"(val), "r"(addr));
+}
+
+static inline void outsl(int port, const void *addr, unsigned long count)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ //__asm__ __volatile__("rep; outsl" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void outsw(int port, const void *addr, unsigned long count)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ //__asm__ __volatile__("rep; outsw" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void outsb(int port, const void *addr, unsigned long count)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ //__asm__ __volatile__("rep; outsb" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insl(int port, void *addr, unsigned long count)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ //__asm__ __volatile__("rep; insl" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insw(int port, void *addr, unsigned long count)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ //__asm__ __volatile__("rep; insw" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insb(int port, void *addr, unsigned long count)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+ //__asm__ __volatile__("rep; insb" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_TYPES_H
+#define _ARCH_TYPES_H
+
+typedef unsigned char uint8_t;
+typedef unsigned char u8;
+typedef signed char int8_t;
+typedef signed char s8;
+
+typedef unsigned short uint16_t;
+typedef unsigned short u16;
+typedef signed short int16_t;
+typedef signed short s16;
+
+typedef unsigned int uint32_t;
+typedef unsigned int u32;
+typedef signed int int32_t;
+typedef signed int s32;
+
+typedef unsigned long long uint64_t;
+typedef unsigned long long u64;
+typedef signed long long int64_t;
+typedef signed long long s64;
+
+typedef long time_t;
+typedef long suseconds_t;
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#endif
--- /dev/null
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _ARCH_VIRTUAL_H
+#define _ARCH_VIRTUAL_H
+
+extern unsigned long virtual_offset;
+
+#define virt_to_phys(virt) ((unsigned long) (virt) + virtual_offset)
+#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virtual_offset))
+
+#define virt_to_bus(addr) virt_to_phys(addr)
+#define bus_to_virt(addr) phys_to_virt(addr)
+
+#endif
void *nptr = ptr + (HDRSIZE + len);
int nsize = size - (HDRSIZE + len);
- /* Mark the block as used. */
- *((hdrtype_t *) ptr) = USED_BLOCK(len);
-
/* If there is still room in this block,
- * then mark it as such.
+ * then mark it as such otherwise account
+ * the whole space for that block.
*/
- if (nsize > 0)
+ if (nsize > 0) {
+ /* Mark the block as used. */
+ *((hdrtype_t *) ptr) = USED_BLOCK(len);
+
+ /* Create a new free block. */
*((hdrtype_t *) nptr) =
FREE_BLOCK(nsize);
+ } else {
+ /* Mark the block as used. */
+ *((hdrtype_t *) ptr) = USED_BLOCK(size);
+ }
return (void *)(ptr + HDRSIZE);
}
#include <libpayload-config.h>
#include <libpayload.h>
+#ifdef CONFIG_TARGET_I386
#include <arch/rdtsc.h>
+#endif
extern u32 cpu_khz;
#define TICKS_PER_SEC (cpu_khz * 1000)
#define TICKS_PER_USEC (cpu_khz / 1000)
+#ifdef CONFIG_TARGET_I386
static void update_clock(void)
{
u64 delta = rdtsc() - clock.ticks;
clock.ticks = rdtsc();
}
#endif
+#endif
+#ifdef CONFIG_TARGET_POWERPC
+static void update_clock(void)
+{
+}
+static void gettimeofday_init(void)
+{
+}
+#endif
/**
* Return the current time broken into a timeval structure.
*
projects / coreboot.git / commitdiff