X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Futil.h;h=70d3c4c3271ff468925ae515f54c5dfb3ebbdc44;hb=refs%2Fheads%2Fcoreboot;hp=36e9a30594e44c00cc70c7156267ead172a71e88;hpb=f205f9fdb63f87eafd2328955385eb94e9824c26;p=seabios.git

diff --git a/src/util.h b/src/util.h
index 36e9a30..70d3c4c 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,13 +1,12 @@
 // Basic x86 asm functions and function defs.
 //
-// Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
+// Copyright (C) 2008-2010  Kevin O'Connor <kevin@koconnor.net>
 //
-// This file may be distributed under the terms of the GNU GPLv3 license.
+// This file may be distributed under the terms of the GNU LGPLv3 license.
 #ifndef __UTIL_H
 #define __UTIL_H
 
-#include "ioport.h" // outb
-#include "biosvar.h" // struct bregs
+#include "types.h" // u32
 
 static inline void irq_disable(void)
 {
@@ -19,19 +18,23 @@ static inline void irq_enable(void)
     asm volatile("sti": : :"memory");
 }
 
-static inline unsigned long irq_save(void)
+static inline u32 save_flags(void)
 {
-    unsigned long flags;
-    asm volatile("pushfl ; popl %0" : "=g" (flags));
-    irq_disable();
+    u32 flags;
+    asm volatile("pushfl ; popl %0" : "=rm" (flags));
     return flags;
 }
 
-static inline void irq_restore(unsigned long flags)
+static inline void restore_flags(u32 flags)
 {
     asm volatile("pushl %0 ; popfl" : : "g" (flags) : "memory", "cc");
 }
 
+static inline void cpu_relax(void)
+{
+    asm volatile("rep ; nop": : :"memory");
+}
+
 static inline void nop(void)
 {
     asm volatile("nop");
@@ -39,135 +42,447 @@ static inline void nop(void)
 
 static inline void hlt(void)
 {
-    asm volatile("hlt");
+    asm volatile("hlt": : :"memory");
 }
 
-#define BX_PANIC(fmt, args...) bprintf(0, fmt , ##args)
-#define BX_INFO(fmt, args...) bprintf(0, fmt , ##args)
-
-static inline void
-memset(void *s, int c, size_t n)
+static inline void wbinvd(void)
 {
-    while (n)
-        ((char *)s)[--n] = c;
+    asm volatile("wbinvd": : :"memory");
 }
 
-static inline void *
-memcpy(void *d1, const void *s1, size_t len)
+#define CPUID_TSC (1 << 4)
+#define CPUID_MSR (1 << 5)
+#define CPUID_APIC (1 << 9)
+#define CPUID_MTRR (1 << 12)
+static inline void __cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
 {
-    u8 *d = d1;
-    const u8 *s = s1;
+    asm("cpuid"
+        : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
+        : "0" (index));
+}
 
-    while (len--) {
-        *d++ = *s++;
-    }
-    return d1;
+static inline u32 getcr0(void) {
+    u32 cr0;
+    asm("movl %%cr0, %0" : "=r"(cr0));
+    return cr0;
+}
+static inline void setcr0(u32 cr0) {
+    asm("movl %0, %%cr0" : : "r"(cr0));
 }
 
-static inline void
-eoi_master_pic()
+static inline u64 rdmsr(u32 index)
 {
-    outb(PIC1_IRQ5, PORT_PIC1);
+    u64 ret;
+    asm ("rdmsr" : "=A"(ret) : "c"(index));
+    return ret;
 }
 
-static inline void
-eoi_both_pics()
+static inline void wrmsr(u32 index, u64 val)
 {
-    outb(PIC2_IRQ13, PORT_PIC2);
-    eoi_master_pic();
+    asm volatile ("wrmsr" : : "c"(index), "A"(val));
 }
 
-static inline
-void call16(struct bregs *callregs)
+static inline u64 rdtscll(void)
 {
-    asm volatile(
-        "pushl %%ebp\n" // Save state
-        "pushfl\n"
-#ifdef MODE16
-        "calll __call16\n"
-#else
-        "calll __call16_from32\n"
-#endif
-        "popfl\n"       // Restore state
-        "popl %%ebp\n"
-        : "+a" (callregs), "+m" (*callregs)
-        :
-        : "ebx", "ecx", "edx", "esi", "edi");
+    u64 val;
+    asm volatile("rdtsc" : "=A" (val));
+    return val;
 }
 
-static inline
-void __call16_int(struct bregs *callregs, u16 offset)
+static inline u32 __ffs(u32 word)
 {
-    callregs->cs = SEG_BIOS;
-    callregs->ip = offset;
-    call16(callregs);
+    asm("bsf %1,%0"
+        : "=r" (word)
+        : "rm" (word));
+    return word;
+}
+static inline u32 __fls(u32 word)
+{
+    asm("bsr %1,%0"
+        : "=r" (word)
+        : "rm" (word));
+    return word;
 }
 
-#ifdef MODE16
-#define call16_int(nr, callregs) do {                           \
-        extern void irq_trampoline_ ##nr ();                    \
-        __call16_int((callregs), (u16)&irq_trampoline_ ##nr );  \
-    } while (0)
-#else
-#include "../out/rom16.offset.auto.h"
-#define call16_int(nr, callregs)                                \
-    __call16_int((callregs), OFFSET_irq_trampoline_ ##nr )
-#endif
+static inline u16 __htons_constant(u16 val) {
+    return (val<<8) | (val>>8);
+}
+static inline u32 __htonl_constant(u32 val) {
+    return (val<<24) | ((val&0xff00)<<8) | ((val&0xff0000)>>8) | (val>>24);
+}
+static inline u32 __htonl(u32 val) {
+    asm("bswapl %0" : "+r"(val));
+    return val;
+}
+#define htonl(x) (__builtin_constant_p((u32)(x)) ? __htonl_constant(x) : __htonl(x))
+#define ntohl(x) htonl(x)
+#define htons(x) __htons_constant(x)
+#define ntohs(x) htons(x)
 
-// output.c
-void bprintf(u16 action, const char *fmt, ...)
-    __attribute__ ((format (printf, 2, 3)));
-void __debug_enter(const char *fname, struct bregs *regs);
-void __debug_fail(const char *fname, struct bregs *regs);
-void __debug_stub(const char *fname, struct bregs *regs);
-void __debug_isr(const char *fname, struct bregs *regs);
-#define debug_enter(regs) \
-    __debug_enter(__func__, regs)
-#define debug_stub(regs) \
-    __debug_stub(__func__, regs)
-#define debug_isr(regs) \
-    __debug_isr(__func__, regs)
-#define printf(fmt, args...)                     \
-    bprintf(1, fmt , ##args )
+static inline u16 cpu_to_le16(u16 x)
+{
+    return x;
+}
 
-// Frequently used return codes
-#define RET_EUNSUPPORTED 0x86
-static inline void
-set_success(struct bregs *regs)
+static inline u32 cpu_to_le32(u32 x)
 {
-    set_cf(regs, 0);
+    return x;
 }
 
-static inline void
-set_code_success(struct bregs *regs)
+static inline u32 le32_to_cpu(u32 x)
 {
-    regs->ah = 0;
-    set_cf(regs, 0);
+    return x;
+}
+
+static inline u32 getesp(void) {
+    u32 esp;
+    asm("movl %%esp, %0" : "=rm"(esp));
+    return esp;
+}
+
+static inline void writel(void *addr, u32 val) {
+    *(volatile u32 *)addr = val;
+}
+static inline void writew(void *addr, u16 val) {
+    *(volatile u16 *)addr = val;
+}
+static inline void writeb(void *addr, u8 val) {
+    *(volatile u8 *)addr = val;
+}
+static inline u32 readl(const void *addr) {
+    return *(volatile const u32 *)addr;
+}
+static inline u16 readw(const void *addr) {
+    return *(volatile const u16 *)addr;
+}
+static inline u8 readb(const void *addr) {
+    return *(volatile const u8 *)addr;
 }
 
-#define set_fail(regs) do {                     \
-        __debug_fail(__func__, (regs));         \
-        set_cf((regs), 1);                      \
+#define call16_simpint(nr, peax, pflags) do {                           \
+        ASSERT16();                                                     \
+        asm volatile(                                                   \
+            "pushl %%ebp\n"                                             \
+            "sti\n"                                                     \
+            "stc\n"                                                     \
+            "int %2\n"                                                  \
+            "pushfl\n"                                                  \
+            "popl %1\n"                                                 \
+            "cli\n"                                                     \
+            "cld\n"                                                     \
+            "popl %%ebp"                                                \
+            : "+a"(*peax), "=c"(*pflags)                                \
+            : "i"(nr)                                                   \
+            : "ebx", "edx", "esi", "edi", "cc", "memory");              \
     } while (0)
 
-#define set_code_fail(regs, code) do {          \
-        set_fail(regs);                         \
-        (regs)->ah = (code);                    \
+// GDT bits
+#define GDT_CODE     (0x9bULL << 40) // Code segment - P,R,A bits also set
+#define GDT_DATA     (0x93ULL << 40) // Data segment - W,A bits also set
+#define GDT_B        (0x1ULL << 54)  // Big flag
+#define GDT_G        (0x1ULL << 55)  // Granularity flag
+// GDT bits for segment base
+#define GDT_BASE(v)  ((((u64)(v) & 0xff000000) << 32)           \
+                      | (((u64)(v) & 0x00ffffff) << 16))
+// GDT bits for segment limit (0-1Meg)
+#define GDT_LIMIT(v) ((((u64)(v) & 0x000f0000) << 32)   \
+                      | (((u64)(v) & 0x0000ffff) << 0))
+// GDT bits for segment limit (0-4Gig in 4K chunks)
+#define GDT_GRANLIMIT(v) (GDT_G | GDT_LIMIT((v) >> 12))
+
+struct descloc_s {
+    u16 length;
+    u32 addr;
+} PACKED;
+
+// util.c
+void cpuid(u32 index, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
+struct bregs;
+inline void call16(struct bregs *callregs);
+inline void call16big(struct bregs *callregs);
+inline void __call16_int(struct bregs *callregs, u16 offset);
+#define call16_int(nr, callregs) do {                           \
+        extern void irq_trampoline_ ##nr ();                    \
+        __call16_int((callregs), (u32)&irq_trampoline_ ##nr );  \
+    } while (0)
+u8 checksum_far(u16 buf_seg, void *buf_far, u32 len);
+u8 checksum(void *buf, u32 len);
+size_t strlen(const char *s);
+int memcmp(const void *s1, const void *s2, size_t n);
+int strcmp(const char *s1, const char *s2);
+inline void memset_far(u16 d_seg, void *d_far, u8 c, size_t len);
+inline void memset16_far(u16 d_seg, void *d_far, u16 c, size_t len);
+void *memset(void *s, int c, size_t n);
+void memset_fl(void *ptr, u8 val, size_t size);
+inline void memcpy_far(u16 d_seg, void *d_far
+                       , u16 s_seg, const void *s_far, size_t len);
+void memcpy_fl(void *d_fl, const void *s_fl, size_t len);
+void *memcpy(void *d1, const void *s1, size_t len);
+#if MODESEGMENT == 0
+#define memcpy __builtin_memcpy
+#endif
+void iomemcpy(void *d, const void *s, u32 len);
+void *memmove(void *d, const void *s, size_t len);
+char *strtcpy(char *dest, const char *src, size_t len);
+char *strchr(const char *s, int c);
+void nullTrailingSpace(char *buf);
+int get_keystroke(int msec);
+
+// stacks.c
+u32 call32(void *func, u32 eax, u32 errret);
+inline u32 stack_hop(u32 eax, u32 edx, void *func);
+extern struct thread_info MainThread;
+extern int CanPreempt;
+struct thread_info *getCurThread(void);
+void yield(void);
+void wait_irq(void);
+void run_thread(void (*func)(void*), void *data);
+void wait_threads(void);
+struct mutex_s { u32 isLocked; };
+void mutex_lock(struct mutex_s *mutex);
+void mutex_unlock(struct mutex_s *mutex);
+void start_preempt(void);
+void finish_preempt(void);
+int wait_preempt(void);
+void check_preempt(void);
+
+// output.c
+void debug_serial_setup(void);
+void panic(const char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2))) __noreturn;
+void printf(const char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
+int snprintf(char *str, size_t size, const char *fmt, ...)
+    __attribute__ ((format (printf, 3, 4)));
+char * znprintf(size_t size, const char *fmt, ...)
+    __attribute__ ((format (printf, 2, 3)));
+void __dprintf(const char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
+void __debug_enter(struct bregs *regs, const char *fname);
+void __debug_isr(const char *fname);
+void __debug_stub(struct bregs *regs, int lineno, const char *fname);
+void __warn_invalid(struct bregs *regs, int lineno, const char *fname);
+void __warn_unimplemented(struct bregs *regs, int lineno, const char *fname);
+void __warn_internalerror(int lineno, const char *fname);
+void __warn_noalloc(int lineno, const char *fname);
+void __warn_timeout(int lineno, const char *fname);
+void __set_invalid(struct bregs *regs, int lineno, const char *fname);
+void __set_unimplemented(struct bregs *regs, int lineno, const char *fname);
+void __set_code_invalid(struct bregs *regs, u32 linecode, const char *fname);
+void __set_code_unimplemented(struct bregs *regs, u32 linecode
+                              , const char *fname);
+void hexdump(const void *d, int len);
+
+#define dprintf(lvl, fmt, args...) do {                         \
+        if (CONFIG_DEBUG_LEVEL && (lvl) <= CONFIG_DEBUG_LEVEL)  \
+            __dprintf((fmt) , ##args );                         \
+    } while (0)
+#define debug_enter(regs, lvl) do {                     \
+        if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL)       \
+            __debug_enter((regs), __func__);            \
+    } while (0)
+#define debug_isr(lvl) do {                             \
+        if ((lvl) && (lvl) <= CONFIG_DEBUG_LEVEL)       \
+            __debug_isr(__func__);                      \
     } while (0)
+#define debug_stub(regs)                        \
+    __debug_stub((regs), __LINE__, __func__)
+#define warn_invalid(regs)                      \
+    __warn_invalid((regs), __LINE__, __func__)
+#define warn_unimplemented(regs)                        \
+    __warn_unimplemented((regs), __LINE__, __func__)
+#define warn_internalerror()                    \
+    __warn_internalerror(__LINE__, __func__)
+#define warn_noalloc()                          \
+    __warn_noalloc(__LINE__, __func__)
+#define warn_timeout()                          \
+    __warn_timeout(__LINE__, __func__)
+#define set_invalid(regs)                       \
+    __set_invalid((regs), __LINE__, __func__)
+#define set_code_invalid(regs, code)                                    \
+    __set_code_invalid((regs), (code) | (__LINE__ << 8), __func__)
+#define set_unimplemented(regs)                         \
+    __set_unimplemented((regs), __LINE__, __func__)
+#define set_code_unimplemented(regs, code)                              \
+    __set_code_unimplemented((regs), (code) | (__LINE__ << 8), __func__)
 
 // kbd.c
+void kbd_setup(void);
 void handle_15c2(struct bregs *regs);
+void process_key(u8 key);
+
+// mouse.c
+void mouse_setup(void);
+void process_mouse(u8 data);
+
+// system.c
+extern u32 RamSize;
+extern u64 RamSizeOver4G;
+void mathcp_setup(void);
+
+// serial.c
+void serial_setup(void);
+void lpt_setup(void);
 
 // clock.c
+#define PIT_TICK_RATE 1193180   // Underlying HZ of PIT
+#define PIT_TICK_INTERVAL 65536 // Default interval for 18.2Hz timer
+int check_tsc(u64 end);
+void timer_setup(void);
+void ndelay(u32 count);
+void udelay(u32 count);
+void mdelay(u32 count);
+void nsleep(u32 count);
+void usleep(u32 count);
+void msleep(u32 count);
+u64 calc_future_tsc(u32 msecs);
+u64 calc_future_tsc_usec(u32 usecs);
+u32 calc_future_timer_ticks(u32 count);
+u32 calc_future_timer(u32 msecs);
+int check_timer(u32 end);
 void handle_1583(struct bregs *regs);
+void handle_1586(struct bregs *regs);
+void useRTC(void);
+void releaseRTC(void);
 
 // apm.c
-void VISIBLE16 handle_1553(struct bregs *regs);
+void apm_shutdown(void);
+void handle_1553(struct bregs *regs);
 
-// util.c
-void usleep(u32 count);
+// pcibios.c
+void handle_1ab1(struct bregs *regs);
+void bios32_setup(void);
+
+// shadow.c
+void make_bios_writable(void);
+void make_bios_readonly(void);
+void qemu_prep_reset(void);
+
+// pciinit.c
+extern const u8 pci_irqs[4];
+void pci_setup(void);
+
+// smm.c
+void smm_init(void);
+
+// smp.c
+extern u32 CountCPUs;
+extern u32 MaxCountCPUs;
+void wrmsr_smp(u32 index, u64 val);
+void smp_probe(void);
+
+// coreboot.c
+extern const char *CBvendor, *CBpart;
+struct cbfs_file;
+struct cbfs_file *cbfs_finddatafile(const char *fname);
+struct cbfs_file *cbfs_findprefix(const char *prefix, struct cbfs_file *last);
+u32 cbfs_datasize(struct cbfs_file *file);
+const char *cbfs_filename(struct cbfs_file *file);
+int cbfs_copyfile(struct cbfs_file *file, void *dst, u32 maxlen);
+void cbfs_run_payload(struct cbfs_file *file);
+void coreboot_copy_biostable(void);
+void cbfs_payload_setup(void);
+void coreboot_setup(void);
+
+// biostable.c
+void copy_pir(void *pos);
+void copy_mptable(void *pos);
+void copy_acpi_rsdp(void *pos);
+void copy_smbios(void *pos);
+
+// vgahooks.c
+void handle_155f(struct bregs *regs);
+struct pci_device;
+void vgahook_setup(struct pci_device *pci);
+
+// optionroms.c
+void call_bcv(u16 seg, u16 ip);
+void optionrom_setup(void);
+void vga_setup(void);
+void s3_resume_vga_init(void);
+extern u32 RomEnd;
+extern int ScreenAndDebug;
+
+// bootsplash.c
+void enable_vga_console(void);
+void enable_bootsplash(void);
+void disable_bootsplash(void);
+
+// resume.c
+extern int HaveRunPost;
+void init_dma(void);
+
+// pnpbios.c
+#define PNP_SIGNATURE 0x506e5024 // $PnP
+u16 get_pnp_offset(void);
+void pnp_setup(void);
+
+// pmm.c
+extern struct zone_s ZoneLow, ZoneHigh, ZoneFSeg, ZoneTmpLow, ZoneTmpHigh;
+void malloc_setup(void);
+void malloc_fixupreloc(void);
+void malloc_finalize(void);
+void *pmm_malloc(struct zone_s *zone, u32 handle, u32 size, u32 align);
+int pmm_free(void *data);
+void pmm_setup(void);
+void pmm_finalize(void);
+#define PMM_DEFAULT_HANDLE 0xFFFFFFFF
+// Minimum alignment of malloc'd memory
+#define MALLOC_MIN_ALIGN 16
+// Helper functions for memory allocation.
+static inline void *malloc_low(u32 size) {
+    return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_high(u32 size) {
+    return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_fseg(u32 size) {
+    return pmm_malloc(&ZoneFSeg, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_tmplow(u32 size) {
+    return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_tmphigh(u32 size) {
+    return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, MALLOC_MIN_ALIGN);
+}
+static inline void *malloc_tmp(u32 size) {
+    void *ret = malloc_tmphigh(size);
+    if (ret)
+        return ret;
+    return malloc_tmplow(size);
+}
+static inline void *memalign_low(u32 align, u32 size) {
+    return pmm_malloc(&ZoneLow, PMM_DEFAULT_HANDLE, size, align);
+}
+static inline void *memalign_high(u32 align, u32 size) {
+    return pmm_malloc(&ZoneHigh, PMM_DEFAULT_HANDLE, size, align);
+}
+static inline void *memalign_tmplow(u32 align, u32 size) {
+    return pmm_malloc(&ZoneTmpLow, PMM_DEFAULT_HANDLE, size, align);
+}
+static inline void *memalign_tmphigh(u32 align, u32 size) {
+    return pmm_malloc(&ZoneTmpHigh, PMM_DEFAULT_HANDLE, size, align);
+}
+static inline void *memalign_tmp(u32 align, u32 size) {
+    void *ret = memalign_tmphigh(align, size);
+    if (ret)
+        return ret;
+    return memalign_tmplow(align, size);
+}
+static inline void free(void *data) {
+    pmm_free(data);
+}
+
+// mtrr.c
+void mtrr_setup(void);
+
+// romlayout.S
+void reset_vector(void) __noreturn;
+
+// misc.c
+extern u8 BiosChecksum;
 
-// rombios32.c
-void rombios32_init(void);
+// version (auto generated file out/version.c)
+extern const char VERSION[];
 
 #endif // util.h