#endif
}
+static void lb_framebuffer(struct lb_header *header)
+{
+#if defined(CONFIG_BOOTSPLASH) && CONFIG_BOOTSPLASH && CONFIG_COREBOOT_KEEP_FRAMEBUFFER
+ void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
+
+ struct lb_framebuffer *framebuffer;
+ framebuffer = (struct lb_framebuffer *)lb_new_record(header);
+ framebuffer->tag = LB_TAG_FRAMEBUFFER;
+ framebuffer->size = sizeof(*framebuffer);
+ fill_lb_framebuffer(framebuffer);
+#endif
+}
+
static struct lb_mainboard *lb_mainboard(struct lb_header *header)
{
struct lb_record *rec;
lb_console(head);
/* Record our various random string information */
lb_strings(head);
+ /* Record our framebuffer */
+ lb_framebuffer(head);
/* Remember where my valid memory ranges are */
return lb_table_fini(head, 1);
#define cpu_to_be16(x) swab16((x))
#define be16_to_cpu(x) swab16((x))
+#define ntohl(x) be32_to_cpu(x)
+#define htonl(x) cpu_to_be32(x)
+
#endif /* _BYTEORDER_H */
##
## This file is part of the coreboot project.
##
-## Copyright (C) 2007 coresystems GmbH
+## Copyright (C) 2007-2010 coresystems GmbH
## (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
##
## This program is free software; you can redistribute it and/or modify
depends on PCI_ROM_RUN || VGA_ROM_RUN
config PCI_OPTION_ROM_RUN_REALMODE
- prompt "Real mode"
+ prompt "Native mode"
bool
depends on ARCH_X86
help
so this is the fastest, but also the least secure option.
(only works on x86/x64 systems)
-config PCI_OPTION_ROM_RUN_X86EMU
- prompt "x86emu"
+config PCI_OPTION_ROM_RUN_YABEL
+ prompt "Secure Mode"
bool
help
If you select this option, the x86emu CPU emulator will be used to
- execute PCI option ROMs.
- When choosing this option, x86emu will pass through all hardware
- accesses to memory and IO devices to the underlying memory and IO
- addresses. While this option prevents option ROMs from doing dirty
- tricks with the CPU (such as installing SMM modules or hypervisors),
- they can still access all devices in the system.
- Choosing x86emu, option ROM execution is slower than native execution
- in real mode, but faster than the full system emulation YABEL
+ execute PCI option ROMs.
+ This option prevents option ROMs from doing dirty tricks with the
+ system (such as installing SMM modules or hypervisors), but it is also
+ significantly slower than the native option ROM initialization method.
This is the default choice for non-x86 systems.
+endchoice
-config PCI_OPTION_ROM_RUN_YABEL
- prompt "YABEL"
- bool
+# TODO: Describe better, and/or make a "choice" selection for this.
+config YABEL_DEBUG_FLAGS
+ prompt "Hex value for YABEL debug flags"
+ hex
+ default 0x0
+ depends on PCI_OPTION_ROM_RUN_YABEL
help
- If you select this option, the YABEL system emulator will be used to
- execute PCI option ROMs.
- YABEL consists of two parts: It uses x86emu for the CPU emulation and
- additionally provides a PC system emulation that filters bad device and
- memory access (such as PCI config space access to other devices than the
- initialized one).
- This option best prevents option ROMs from doing dirty tricks with the
- system (such as installing SMM modules or hypervisors), but it is also
- significantly slower than the other option ROM initialization methods.
+ Set CONFIG_YABEL_DEBUG_FLAGS is a binary switch that allows you
+ to select the following items to debug. 1=on 0=off. After you
+ decide what you want to debug create the binary value, convert to hex
+ and set the Option (Ex. CONFIG_YABEL_DEBUG_FLAGS = 0x31FF //Debug All).
+
+ |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu
+ ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by x86emu (WARNING: this will produce a LOT of output)
+ |||-Currently unused
+ ||||-Currently unused
+ |||||-Currently unused
+ ||||||-DEBUG_PNP - Print Plug And Play access made by option rom
+ |||||||-DEBUG_DISK - Print Disk I/O related messages, currently unused
+ ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager (PMM)
+ |||||||||-DEBUG_VBE - Print messages related to VESA BIOS Extension (VBE) functions
+ ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output) calls print messages to Debug output
+ |||||||||||-DEBUG_INTR - Print messages related to interrupt handling
+ ||||||||||||-DEBUG_CHECK_VMEM_ACCESS - Print messages related to accesse to certain areas of the virtual Memory (e.g. BDA (BIOS Data Area) or Interrupt Vectors)
+ |||||||||||||-DEBUG_MEM - Print memory access made by option rom (NOTE: this also includes accesses to fetch instructions)
+ ||||||||||||||-DEBUG_IO - Print I/O access made by option rom
+ 11000111111111 - Max Binary Value, Debug All (WARNING: - This could run for hours)
+
+ DEBUG_IO 0x0001
+ DEBUG_MEM 0x0002
+ DEBUG_CHECK_VMEM_ACCESS 0x0004
+ DEBUG_INTR 0x0008
+ DEBUG_PRINT_INT10 0x0010
+ DEBUG_VBE 0x0020
+ DEBUG_PMM 0x0040
+ DEBUG_DISK 0x0080
+ DEBUG_PNP 0x0100
+ DEBUG_TRACE_X86EMU 0x1000
+ DEBUG_JMP 0x2000
-endchoice
+ See debug.h for values 0 is no debug output, 0x31ff is _verbose_.
config YABEL_PCI_ACCESS_OTHER_DEVICES
prompt "Allow option roms to acces other devices"
config YABEL_VIRTMEM_LOCATION
prompt "Location of YABEL's virtual memory"
hex
- depends on EXPERT
+ depends on PCI_OPTION_ROM_RUN_YABEL && EXPERT
default 0x1000000
help
YABEL requires 1MB memory for its CPU emulation. This memory is
normally located at 16MB.
-# TODO: Describe better, and/or make a "choice" selection for this.
-config YABEL_DEBUG_FLAGS
- prompt "Hex value for YABEL debug flags"
- hex
- default 0x0
+config YABEL_DIRECTHW
+ prompt "Direct Hardware Access"
+ bool
depends on PCI_OPTION_ROM_RUN_YABEL
help
- See debug.h for values 0 is no debug output, 0x31ff is _verbose_.
+ YABEL consists of two parts: It uses x86emu for the CPU emulation and
+ additionally provides a PC system emulation that filters bad device and
+ memory access (such as PCI config space access to other devices than the
+ initialized one).
+ When choosing this option, x86emu will pass through all hardware
+ accesses to memory and IO devices to the underlying memory and IO
+ addresses. While this option prevents option ROMs from doing dirty
+ tricks with the CPU (such as installing SMM modules or hypervisors),
+ they can still access all devices in the system.
+ Enable this option for a good compromise between security and speed.
+
+config BOOTSPLASH
+ prompt "Show graphical bootsplash"
+ bool
+ depends on PCI_OPTION_ROM_RUN_YABEL
+ help
+ This option shows a graphical bootsplash screen. The grapics are
+ loaded from the CBFS file bootsplash.jpg
+
+config FRAMEBUFFER_VESA_MODE
+ prompt "VESA framebuffer video mode"
+ hex
+ default 0x117
+ depends on BOOTSPLASH
+ help
+ This option sets the resolution used for the coreboot framebuffer and
+ bootsplash screen. Set to 0x117 for 1024x768x16. A diligent soul will
+ some day make this a "choice".
+
+config COREBOOT_KEEP_FRAMEBUFFER
+ prompt "Keep VESA framebuffer"
+ bool
+ depends on BOOTSPLASH
+ help
+ This option keeps the framebuffer mode set after coreboot finishes
+ execution. If this option is enabled, coreboot will pass a framebuffer
+ entry in its coreboot table and the payload will need a framebuffer
+ driver. If this option is disabled, coreboot will switch back to
+ text mode before handing control to a payload.
config CONSOLE_VGA_MULTI
bool
uint16_t type;
};
+#define LB_TAG_CONSOLE_SERIAL8250 0
+#define LB_TAG_CONSOLE_VGA 1
+#define LB_TAG_CONSOLE_BTEXT 2
+#define LB_TAG_CONSOLE_LOGBUF 3
+#define LB_TAG_CONSOLE_SROM 4
+#define LB_TAG_CONSOLE_EHCI 5
+
#define LB_TAG_FORWARD 0x0011
struct lb_forward {
uint32_t tag;
uint64_t forward;
};
-#define LB_TAG_CONSOLE_SERIAL8250 0
-#define LB_TAG_CONSOLE_VGA 1
-#define LB_TAG_CONSOLE_BTEXT 2
-#define LB_TAG_CONSOLE_LOGBUF 3
-#define LB_TAG_CONSOLE_SROM 4
-#define LB_TAG_CONSOLE_EHCI 5
+#define LB_TAG_FRAMEBUFFER 0x0012
+struct lb_framebuffer {
+ uint32_t tag;
+ uint32_t size;
+
+ uint64_t physical_address;
+ uint32_t x_resolution;
+ uint32_t y_resolution;
+ uint32_t bytes_per_line;
+ uint8_t bits_per_pixel;
+ uint8_t red_mask_pos;
+ uint8_t red_mask_size;
+ uint8_t green_mask_pos;
+ uint8_t green_mask_size;
+ uint8_t blue_mask_pos;
+ uint8_t blue_mask_size;
+ uint8_t reserved_mask_pos;
+ uint8_t reserved_mask_size;
+};
/* The following structures are for the cmos definitions table */
#define LB_TAG_CMOS_OPTION_TABLE 200
obj-$(CONFIG_USBDEBUG_DIRECT) += usbdebug_direct.o
obj-$(CONFIG_COMPRESSED_PAYLOAD_LZMA) += lzma.o
+obj-$(CONFIG_BOOTSPLASH) += jpeg.o
+
ifdef POST_EVALUATION
$(obj)/lib/version.o :: $(obj)/build.h
endif
#include <console/console.h>
#include <cbfs.h>
#include <lib.h>
-
-#ifndef CONFIG_BIG_ENDIAN
-#define ntohl(x) ( ((x&0xff)<<24) | ((x&0xff00)<<8) | \
- ((x&0xff0000) >> 8) | ((x&0xff000000) >> 24) )
-#else
-#define ntohl(x) (x)
-#endif
+#include <arch/byteorder.h>
int cbfs_decompress(int algo, void *src, void *dst, int len)
{
void * cbfs_get_file(const char *name)
{
- return cbfs_find(name);
+ return (void *) cbfs_find(name);
}
int cbfs_execute_stage(const char *name)
void boot_successful(void)
{
+#if defined(CONFIG_BOOTSPLASH) && CONFIG_BOOTSPLASH && !CONFIG_COREBOOT_KEEP_FRAMEBUFFER
+ void vbe_textmode_console(void);
+
+ vbe_textmode_console();
+#endif
/* Remember this was a successful boot */
set_boot_successful();
--- /dev/null
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2001 by Michael Schroeder
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/*
+ * a tiny jpeg decoder.
+ *
+ * written in August 2001 by Michael Schroeder <mls@suse.de>
+ *
+ */
+
+#define __LITTLE_ENDIAN
+#include <string.h>
+#include "jpeg.h"
+#define ISHIFT 11
+
+#define IFIX(a) ((int)((a) * (1 << ISHIFT) + .5))
+#define IMULT(a, b) (((a) * (b)) >> ISHIFT)
+#define ITOINT(a) ((a) >> ISHIFT)
+
+#ifndef __P
+# define __P(x) x
+#endif
+
+/* special markers */
+#define M_BADHUFF -1
+#define M_EOF 0x80
+
+struct in {
+ unsigned char *p;
+ unsigned int bits;
+ int left;
+ int marker;
+
+ int (*func) __P((void *));
+ void *data;
+};
+
+/*********************************/
+struct dec_hufftbl;
+struct enc_hufftbl;
+
+union hufftblp {
+ struct dec_hufftbl *dhuff;
+ struct enc_hufftbl *ehuff;
+};
+
+struct scan {
+ int dc; /* old dc value */
+
+ union hufftblp hudc;
+ union hufftblp huac;
+ int next; /* when to switch to next scan */
+
+ int cid; /* component id */
+ int hv; /* horiz/vert, copied from comp */
+ int tq; /* quant tbl, copied from comp */
+};
+
+/*********************************/
+
+#define DECBITS 10 /* seems to be the optimum */
+
+struct dec_hufftbl {
+ int maxcode[17];
+ int valptr[16];
+ unsigned char vals[256];
+ unsigned int llvals[1 << DECBITS];
+};
+
+static void decode_mcus __P((struct in *, int *, int, struct scan *, int *));
+static int dec_readmarker __P((struct in *));
+static void dec_makehuff __P((struct dec_hufftbl *, int *, unsigned char *));
+
+static void setinput __P((struct in *, unsigned char *));
+/*********************************/
+
+#undef PREC
+#define PREC int
+
+static void idctqtab __P((unsigned char *, PREC *));
+static void idct __P((int *, int *, PREC *, PREC, int));
+static void scaleidctqtab __P((PREC *, PREC));
+
+/*********************************/
+
+static void initcol __P((PREC[][64]));
+
+static void col221111 __P((int *, unsigned char *, int));
+static void col221111_16 __P((int *, unsigned char *, int));
+static void col221111_32 __P((int *, unsigned char *, int));
+
+/*********************************/
+
+#define M_SOI 0xd8
+#define M_APP0 0xe0
+#define M_DQT 0xdb
+#define M_SOF0 0xc0
+#define M_DHT 0xc4
+#define M_DRI 0xdd
+#define M_SOS 0xda
+#define M_RST0 0xd0
+#define M_EOI 0xd9
+#define M_COM 0xfe
+
+static unsigned char *datap;
+
+static int getbyte(void)
+{
+ return *datap++;
+}
+
+static int getword(void)
+{
+ int c1, c2;
+ c1 = *datap++;
+ c2 = *datap++;
+ return c1 << 8 | c2;
+}
+
+struct comp {
+ int cid;
+ int hv;
+ int tq;
+};
+
+#define MAXCOMP 4
+struct jpginfo {
+ int nc; /* number of components */
+ int ns; /* number of scans */
+ int dri; /* restart interval */
+ int nm; /* mcus til next marker */
+ int rm; /* next restart marker */
+};
+
+static struct jpginfo info;
+static struct comp comps[MAXCOMP];
+
+static struct scan dscans[MAXCOMP];
+
+static unsigned char quant[4][64];
+
+static struct dec_hufftbl dhuff[4];
+
+#define dec_huffdc (dhuff + 0)
+#define dec_huffac (dhuff + 2)
+
+static struct in in;
+
+static int readtables(int till)
+{
+ int m, l, i, j, lq, pq, tq;
+ int tc, th, tt;
+
+ for (;;) {
+ if (getbyte() != 0xff)
+ return -1;
+ if ((m = getbyte()) == till)
+ break;
+
+ switch (m) {
+ case 0xc2:
+ return 0;
+
+ case M_DQT:
+ lq = getword();
+ while (lq > 2) {
+ pq = getbyte();
+ tq = pq & 15;
+ if (tq > 3)
+ return -1;
+ pq >>= 4;
+ if (pq != 0)
+ return -1;
+ for (i = 0; i < 64; i++)
+ quant[tq][i] = getbyte();
+ lq -= 64 + 1;
+ }
+ break;
+
+ case M_DHT:
+ l = getword();
+ while (l > 2) {
+ int hufflen[16], k;
+ unsigned char huffvals[256];
+
+ tc = getbyte();
+ th = tc & 15;
+ tc >>= 4;
+ tt = tc * 2 + th;
+ if (tc > 1 || th > 1)
+ return -1;
+ for (i = 0; i < 16; i++)
+ hufflen[i] = getbyte();
+ l -= 1 + 16;
+ k = 0;
+ for (i = 0; i < 16; i++) {
+ for (j = 0; j < hufflen[i]; j++)
+ huffvals[k++] = getbyte();
+ l -= hufflen[i];
+ }
+ dec_makehuff(dhuff + tt, hufflen,
+ huffvals);
+ }
+ break;
+
+ case M_DRI:
+ l = getword();
+ info.dri = getword();
+ break;
+
+ default:
+ l = getword();
+ while (l-- > 2)
+ getbyte();
+ break;
+ }
+ }
+ return 0;
+}
+
+static void dec_initscans(void)
+{
+ int i;
+
+ info.nm = info.dri + 1;
+ info.rm = M_RST0;
+ for (i = 0; i < info.ns; i++)
+ dscans[i].dc = 0;
+}
+
+static int dec_checkmarker(void)
+{
+ int i;
+
+ if (dec_readmarker(&in) != info.rm)
+ return -1;
+ info.nm = info.dri;
+ info.rm = (info.rm + 1) & ~0x08;
+ for (i = 0; i < info.ns; i++)
+ dscans[i].dc = 0;
+ return 0;
+}
+
+int jpeg_check_size(unsigned char *buf, int width, int height)
+{
+ datap = buf;
+ getbyte();
+ getbyte();
+ readtables(M_SOF0);
+ getword();
+ getbyte();
+ if (height != getword() || width != getword())
+ return 0;
+ return 1;
+}
+
+int jpeg_decode(unsigned char *buf, unsigned char *pic,
+ int width, int height, int depth, struct jpeg_decdata *decdata)
+{
+ int i, j, m, tac, tdc;
+ int mcusx, mcusy, mx, my;
+ int max[6];
+
+ if (!decdata || !buf || !pic)
+ return -1;
+ datap = buf;
+ if (getbyte() != 0xff)
+ return ERR_NO_SOI;
+ if (getbyte() != M_SOI)
+ return ERR_NO_SOI;
+ if (readtables(M_SOF0))
+ return ERR_BAD_TABLES;
+ getword();
+ i = getbyte();
+ if (i != 8)
+ return ERR_NOT_8BIT;
+ if (((getword() + 15) & ~15) != height)
+ return ERR_HEIGHT_MISMATCH;
+ if (((getword() + 15) & ~15) != width)
+ return ERR_WIDTH_MISMATCH;
+ if ((height & 15) || (width & 15))
+ return ERR_BAD_WIDTH_OR_HEIGHT;
+ info.nc = getbyte();
+ if (info.nc > MAXCOMP)
+ return ERR_TOO_MANY_COMPPS;
+ for (i = 0; i < info.nc; i++) {
+ int h, v;
+ comps[i].cid = getbyte();
+ comps[i].hv = getbyte();
+ v = comps[i].hv & 15;
+ h = comps[i].hv >> 4;
+ comps[i].tq = getbyte();
+ if (h > 3 || v > 3)
+ return ERR_ILLEGAL_HV;
+ if (comps[i].tq > 3)
+ return ERR_QUANT_TABLE_SELECTOR;
+ }
+ if (readtables(M_SOS))
+ return ERR_BAD_TABLES;
+ getword();
+ info.ns = getbyte();
+ if (info.ns != 3)
+ return ERR_NOT_YCBCR_221111;
+ for (i = 0; i < 3; i++) {
+ dscans[i].cid = getbyte();
+ tdc = getbyte();
+ tac = tdc & 15;
+ tdc >>= 4;
+ if (tdc > 1 || tac > 1)
+ return ERR_QUANT_TABLE_SELECTOR;
+ for (j = 0; j < info.nc; j++)
+ if (comps[j].cid == dscans[i].cid)
+ break;
+ if (j == info.nc)
+ return ERR_UNKNOWN_CID_IN_SCAN;
+ dscans[i].hv = comps[j].hv;
+ dscans[i].tq = comps[j].tq;
+ dscans[i].hudc.dhuff = dec_huffdc + tdc;
+ dscans[i].huac.dhuff = dec_huffac + tac;
+ }
+
+ i = getbyte();
+ j = getbyte();
+ m = getbyte();
+
+ if (i != 0 || j != 63 || m != 0)
+ return ERR_NOT_SEQUENTIAL_DCT;
+
+ if (dscans[0].cid != 1 || dscans[1].cid != 2 || dscans[2].cid != 3)
+ return ERR_NOT_YCBCR_221111;
+
+ if (dscans[0].hv != 0x22 || dscans[1].hv != 0x11 || dscans[2].hv != 0x11)
+ return ERR_NOT_YCBCR_221111;
+
+ mcusx = width >> 4;
+ mcusy = height >> 4;
+
+
+ idctqtab(quant[dscans[0].tq], decdata->dquant[0]);
+ idctqtab(quant[dscans[1].tq], decdata->dquant[1]);
+ idctqtab(quant[dscans[2].tq], decdata->dquant[2]);
+ initcol(decdata->dquant);
+ setinput(&in, datap);
+
+#if 0
+ /* landing zone */
+ img[len] = 0;
+ img[len + 1] = 0xff;
+ img[len + 2] = M_EOF;
+#endif
+
+ dec_initscans();
+
+ dscans[0].next = 6 - 4;
+ dscans[1].next = 6 - 4 - 1;
+ dscans[2].next = 6 - 4 - 1 - 1; /* 411 encoding */
+ for (my = 0; my < mcusy; my++) {
+ for (mx = 0; mx < mcusx; mx++) {
+ if (info.dri && !--info.nm)
+ if (dec_checkmarker())
+ return ERR_WRONG_MARKER;
+
+ decode_mcus(&in, decdata->dcts, 6, dscans, max);
+ idct(decdata->dcts, decdata->out, decdata->dquant[0], IFIX(128.5), max[0]);
+ idct(decdata->dcts + 64, decdata->out + 64, decdata->dquant[0], IFIX(128.5), max[1]);
+ idct(decdata->dcts + 128, decdata->out + 128, decdata->dquant[0], IFIX(128.5), max[2]);
+ idct(decdata->dcts + 192, decdata->out + 192, decdata->dquant[0], IFIX(128.5), max[3]);
+ idct(decdata->dcts + 256, decdata->out + 256, decdata->dquant[1], IFIX(0.5), max[4]);
+ idct(decdata->dcts + 320, decdata->out + 320, decdata->dquant[2], IFIX(0.5), max[5]);
+
+ switch (depth) {
+ case 32:
+ col221111_32(decdata->out, pic + (my * 16 * mcusx + mx) * 16 * 4, mcusx * 16 * 4);
+ break;
+ case 24:
+ col221111(decdata->out, pic + (my * 16 * mcusx + mx) * 16 * 3, mcusx * 16 * 3);
+ break;
+ case 16:
+ col221111_16(decdata->out, pic + (my * 16 * mcusx + mx) * (16 * 2), mcusx * (16 * 2));
+ break;
+ default:
+ return ERR_DEPTH_MISMATCH;
+ break;
+ }
+ }
+ }
+
+ m = dec_readmarker(&in);
+ if (m != M_EOI)
+ return ERR_NO_EOI;
+
+ return 0;
+}
+
+/****************************************************************/
+/************** huffman decoder ***************/
+/****************************************************************/
+
+static int fillbits __P((struct in *, int, unsigned int));
+static int dec_rec2
+__P((struct in *, struct dec_hufftbl *, int *, int, int));
+
+static void setinput(struct in *in, unsigned char *p)
+{
+ in->p = p;
+ in->left = 0;
+ in->bits = 0;
+ in->marker = 0;
+}
+
+static int fillbits(struct in *in, int le, unsigned int bi)
+{
+ int b, m;
+
+ if (in->marker) {
+ if (le <= 16)
+ in->bits = bi << 16, le += 16;
+ return le;
+ }
+ while (le <= 24) {
+ b = *in->p++;
+ if (b == 0xff && (m = *in->p++) != 0) {
+ if (m == M_EOF) {
+ if (in->func && (m = in->func(in->data)) == 0)
+ continue;
+ }
+ in->marker = m;
+ if (le <= 16)
+ bi = bi << 16, le += 16;
+ break;
+ }
+ bi = bi << 8 | b;
+ le += 8;
+ }
+ in->bits = bi; /* tmp... 2 return values needed */
+ return le;
+}
+
+static int dec_readmarker(struct in *in)
+{
+ int m;
+
+ in->left = fillbits(in, in->left, in->bits);
+ if ((m = in->marker) == 0)
+ return 0;
+ in->left = 0;
+ in->marker = 0;
+ return m;
+}
+
+#define LEBI_DCL int le, bi
+#define LEBI_GET(in) (le = in->left, bi = in->bits)
+#define LEBI_PUT(in) (in->left = le, in->bits = bi)
+
+#define GETBITS(in, n) ( \
+ (le < (n) ? le = fillbits(in, le, bi), bi = in->bits : 0), \
+ (le -= (n)), \
+ bi >> le & ((1 << (n)) - 1) \
+)
+
+#define UNGETBITS(in, n) ( \
+ le += (n) \
+)
+
+
+static int dec_rec2(struct in *in, struct dec_hufftbl *hu, int *runp, int c,
+ int i)
+{
+ LEBI_DCL;
+
+ LEBI_GET(in);
+ if (i) {
+ UNGETBITS(in, i & 127);
+ *runp = i >> 8 & 15;
+ i >>= 16;
+ } else {
+ for (i = DECBITS; (c = ((c << 1) | GETBITS(in, 1))) >= (hu->maxcode[i]); i++);
+ if (i >= 16) {
+ in->marker = M_BADHUFF;
+ return 0;
+ }
+ i = hu->vals[hu->valptr[i] + c - hu->maxcode[i - 1] * 2];
+ *runp = i >> 4;
+ i &= 15;
+ }
+ if (i == 0) { /* sigh, 0xf0 is 11 bit */
+ LEBI_PUT(in);
+ return 0;
+ }
+ /* receive part */
+ c = GETBITS(in, i);
+ if (c < (1 << (i - 1)))
+ c += (-1 << i) + 1;
+ LEBI_PUT(in);
+ return c;
+}
+
+#define DEC_REC(in, hu, r, i) ( \
+ r = GETBITS(in, DECBITS), \
+ i = hu->llvals[r], \
+ i & 128 ? \
+ ( \
+ UNGETBITS(in, i & 127), \
+ r = i >> 8 & 15, \
+ i >> 16 \
+ ) \
+ : \
+ ( \
+ LEBI_PUT(in), \
+ i = dec_rec2(in, hu, &r, r, i), \
+ LEBI_GET(in), \
+ i \
+ ) \
+)
+
+static void decode_mcus(struct in *in, int *dct, int n, struct scan *sc, int *maxp)
+{
+ struct dec_hufftbl *hu;
+ int i, r, t;
+ LEBI_DCL;
+
+ memset(dct, 0, n * 64 * sizeof(*dct));
+ LEBI_GET(in);
+ while (n-- > 0) {
+ hu = sc->hudc.dhuff;
+ *dct++ = (sc->dc += DEC_REC(in, hu, r, t));
+
+ hu = sc->huac.dhuff;
+ i = 63;
+ while (i > 0) {
+ t = DEC_REC(in, hu, r, t);
+ if (t == 0 && r == 0) {
+ dct += i;
+ break;
+ }
+ dct += r;
+ *dct++ = t;
+ i -= r + 1;
+ }
+ *maxp++ = 64 - i;
+ if (n == sc->next)
+ sc++;
+ }
+ LEBI_PUT(in);
+}
+
+static void dec_makehuff(struct dec_hufftbl *hu, int *hufflen, unsigned char *huffvals)
+{
+ int code, k, i, j, d, x, c, v;
+ for (i = 0; i < (1 << DECBITS); i++)
+ hu->llvals[i] = 0;
+
+/*
+ * llvals layout:
+ *
+ * value v already known, run r, backup u bits:
+ * vvvvvvvvvvvvvvvv 0000 rrrr 1 uuuuuuu
+ * value unknown, size b bits, run r, backup u bits:
+ * 000000000000bbbb 0000 rrrr 0 uuuuuuu
+ * value and size unknown:
+ * 0000000000000000 0000 0000 0 0000000
+ */
+ code = 0;
+ k = 0;
+ for (i = 0; i < 16; i++, code <<= 1) { /* sizes */
+ hu->valptr[i] = k;
+ for (j = 0; j < hufflen[i]; j++) {
+ hu->vals[k] = *huffvals++;
+ if (i < DECBITS) {
+ c = code << (DECBITS - 1 - i);
+ v = hu->vals[k] & 0x0f; /* size */
+ for (d = 1 << (DECBITS - 1 - i); --d >= 0;) {
+ if (v + i < DECBITS) { /* both fit in table */
+ x = d >> (DECBITS - 1 - v -
+ i);
+ if (v && x < (1 << (v - 1)))
+ x += (-1 << v) + 1;
+ x = x << 16 | (hu-> vals[k] & 0xf0) << 4 |
+ (DECBITS - (i + 1 + v)) | 128;
+ } else
+ x = v << 16 | (hu-> vals[k] & 0xf0) << 4 |
+ (DECBITS - (i + 1));
+ hu->llvals[c | d] = x;
+ }
+ }
+ code++;
+ k++;
+ }
+ hu->maxcode[i] = code;
+ }
+ hu->maxcode[16] = 0x20000; /* always terminate decode */
+}
+
+/****************************************************************/
+/************** idct ***************/
+/****************************************************************/
+
+#define ONE ((PREC)IFIX(1.))
+#define S2 ((PREC)IFIX(0.382683432))
+#define C2 ((PREC)IFIX(0.923879532))
+#define C4 ((PREC)IFIX(0.707106781))
+
+#define S22 ((PREC)IFIX(2 * 0.382683432))
+#define C22 ((PREC)IFIX(2 * 0.923879532))
+#define IC4 ((PREC)IFIX(1 / 0.707106781))
+
+#define C3IC1 ((PREC)IFIX(0.847759065)) /* c3/c1 */
+#define C5IC1 ((PREC)IFIX(0.566454497)) /* c5/c1 */
+#define C7IC1 ((PREC)IFIX(0.198912367)) /* c7/c1 */
+
+#define XPP(a,b) (t = a + b, b = a - b, a = t)
+#define XMP(a,b) (t = a - b, b = a + b, a = t)
+#define XPM(a,b) (t = a + b, b = b - a, a = t)
+
+#define ROT(a,b,s,c) ( t = IMULT(a + b, s), \
+ a = IMULT(a, c - s) + t, \
+ b = IMULT(b, c + s) - t)
+
+#define IDCT \
+( \
+ XPP(t0, t1), \
+ XMP(t2, t3), \
+ t2 = IMULT(t2, IC4) - t3, \
+ XPP(t0, t3), \
+ XPP(t1, t2), \
+ XMP(t4, t7), \
+ XPP(t5, t6), \
+ XMP(t5, t7), \
+ t5 = IMULT(t5, IC4), \
+ ROT(t4, t6, S22, C22),\
+ t6 -= t7, \
+ t5 -= t6, \
+ t4 -= t5, \
+ XPP(t0, t7), \
+ XPP(t1, t6), \
+ XPP(t2, t5), \
+ XPP(t3, t4) \
+)
+
+static unsigned char zig2[64] = {
+ 0, 2, 3, 9, 10, 20, 21, 35,
+ 14, 16, 25, 31, 39, 46, 50, 57,
+ 5, 7, 12, 18, 23, 33, 37, 48,
+ 27, 29, 41, 44, 52, 55, 59, 62,
+ 15, 26, 30, 40, 45, 51, 56, 58,
+ 1, 4, 8, 11, 19, 22, 34, 36,
+ 28, 42, 43, 53, 54, 60, 61, 63,
+ 6, 13, 17, 24, 32, 38, 47, 49
+};
+
+void idct(int *in, int *out, PREC *quant, PREC off, int max)
+{
+ PREC t0, t1, t2, t3, t4, t5, t6, t7, t;
+ PREC tmp[64], *tmpp;
+ int i, j;
+ unsigned char *zig2p;
+
+ t0 = off;
+ if (max == 1) {
+ t0 += in[0] * quant[0];
+ for (i = 0; i < 64; i++)
+ out[i] = ITOINT(t0);
+ return;
+ }
+ zig2p = zig2;
+ tmpp = tmp;
+ for (i = 0; i < 8; i++) {
+ j = *zig2p++;
+ t0 += in[j] * quant[j];
+ j = *zig2p++;
+ t5 = in[j] * quant[j];
+ j = *zig2p++;
+ t2 = in[j] * quant[j];
+ j = *zig2p++;
+ t7 = in[j] * quant[j];
+ j = *zig2p++;
+ t1 = in[j] * quant[j];
+ j = *zig2p++;
+ t4 = in[j] * quant[j];
+ j = *zig2p++;
+ t3 = in[j] * quant[j];
+ j = *zig2p++;
+ t6 = in[j] * quant[j];
+ IDCT;
+ tmpp[0 * 8] = t0;
+ tmpp[1 * 8] = t1;
+ tmpp[2 * 8] = t2;
+ tmpp[3 * 8] = t3;
+ tmpp[4 * 8] = t4;
+ tmpp[5 * 8] = t5;
+ tmpp[6 * 8] = t6;
+ tmpp[7 * 8] = t7;
+ tmpp++;
+ t0 = 0;
+ }
+ for (i = 0; i < 8; i++) {
+ t0 = tmp[8 * i + 0];
+ t1 = tmp[8 * i + 1];
+ t2 = tmp[8 * i + 2];
+ t3 = tmp[8 * i + 3];
+ t4 = tmp[8 * i + 4];
+ t5 = tmp[8 * i + 5];
+ t6 = tmp[8 * i + 6];
+ t7 = tmp[8 * i + 7];
+ IDCT;
+ out[8 * i + 0] = ITOINT(t0);
+ out[8 * i + 1] = ITOINT(t1);
+ out[8 * i + 2] = ITOINT(t2);
+ out[8 * i + 3] = ITOINT(t3);
+ out[8 * i + 4] = ITOINT(t4);
+ out[8 * i + 5] = ITOINT(t5);
+ out[8 * i + 6] = ITOINT(t6);
+ out[8 * i + 7] = ITOINT(t7);
+ }
+}
+
+static unsigned char zig[64] = {
+ 0, 1, 5, 6, 14, 15, 27, 28,
+ 2, 4, 7, 13, 16, 26, 29, 42,
+ 3, 8, 12, 17, 25, 30, 41, 43,
+ 9, 11, 18, 24, 31, 40, 44, 53,
+ 10, 19, 23, 32, 39, 45, 52, 54,
+ 20, 22, 33, 38, 46, 51, 55, 60,
+ 21, 34, 37, 47, 50, 56, 59, 61,
+ 35, 36, 48, 49, 57, 58, 62, 63
+};
+
+static PREC aaidct[8] = {
+ IFIX(0.3535533906), IFIX(0.4903926402),
+ IFIX(0.4619397663), IFIX(0.4157348062),
+ IFIX(0.3535533906), IFIX(0.2777851165),
+ IFIX(0.1913417162), IFIX(0.0975451610)
+};
+
+
+static void idctqtab(unsigned char *qin, PREC *qout)
+{
+ int i, j;
+
+ for (i = 0; i < 8; i++)
+ for (j = 0; j < 8; j++)
+ qout[zig[i * 8 + j]] = qin[zig[i * 8 + j]] *
+ IMULT(aaidct[i], aaidct[j]);
+}
+
+static void scaleidctqtab(PREC *q, PREC sc)
+{
+ int i;
+
+ for (i = 0; i < 64; i++)
+ q[i] = IMULT(q[i], sc);
+}
+
+/****************************************************************/
+/************** color decoder ***************/
+/****************************************************************/
+
+#define ROUND
+
+/*
+ * YCbCr Color transformation:
+ *
+ * y:0..255 Cb:-128..127 Cr:-128..127
+ *
+ * R = Y + 1.40200 * Cr
+ * G = Y - 0.34414 * Cb - 0.71414 * Cr
+ * B = Y + 1.77200 * Cb
+ *
+ * =>
+ * Cr *= 1.40200;
+ * Cb *= 1.77200;
+ * Cg = 0.19421 * Cb + .50937 * Cr;
+ * R = Y + Cr;
+ * G = Y - Cg;
+ * B = Y + Cb;
+ *
+ * =>
+ * Cg = (50 * Cb + 130 * Cr + 128) >> 8;
+ */
+
+static void initcol(PREC q[][64])
+{
+ scaleidctqtab(q[1], IFIX(1.77200));
+ scaleidctqtab(q[2], IFIX(1.40200));
+}
+
+/* This is optimized for the stupid sun SUNWspro compiler. */
+#define STORECLAMP(a,x) \
+( \
+ (a) = (x), \
+ (unsigned int)(x) >= 256 ? \
+ ((a) = (x) < 0 ? 0 : 255) \
+ : \
+ 0 \
+)
+
+#define CLAMP(x) ((unsigned int)(x) >= 256 ? ((x) < 0 ? 0 : 255) : (x))
+
+#ifdef ROUND
+
+#define CBCRCG(yin, xin) \
+( \
+ cb = outc[0 +yin*8+xin], \
+ cr = outc[64+yin*8+xin], \
+ cg = (50 * cb + 130 * cr + 128) >> 8 \
+)
+
+#else
+
+#define CBCRCG(yin, xin) \
+( \
+ cb = outc[0 +yin*8+xin], \
+ cr = outc[64+yin*8+xin], \
+ cg = (3 * cb + 8 * cr) >> 4 \
+)
+
+#endif
+
+#define PIC(yin, xin, p, xout) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ STORECLAMP(p[(xout) * 3 + 0], y + cr), \
+ STORECLAMP(p[(xout) * 3 + 1], y - cg), \
+ STORECLAMP(p[(xout) * 3 + 2], y + cb) \
+)
+
+#ifdef __LITTLE_ENDIAN
+#define PIC_16(yin, xin, p, xout, add) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 8) | \
+ ((CLAMP(y - cg + add ) & 0xfc) << 3) | \
+ ((CLAMP(y + cb + add*2+1) ) >> 3), \
+ p[(xout) * 2 + 0] = y & 0xff, \
+ p[(xout) * 2 + 1] = y >> 8 \
+)
+#else
+#ifdef CONFIG_PPC
+#define PIC_16(yin, xin, p, xout, add) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 7) | \
+ ((CLAMP(y - cg + add*2+1) & 0xf8) << 2) | \
+ ((CLAMP(y + cb + add*2+1) ) >> 3), \
+ p[(xout) * 2 + 0] = y >> 8, \
+ p[(xout) * 2 + 1] = y & 0xff \
+)
+#else
+#define PIC_16(yin, xin, p, xout, add) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 8) | \
+ ((CLAMP(y - cg + add ) & 0xfc) << 3) | \
+ ((CLAMP(y + cb + add*2+1) ) >> 3), \
+ p[(xout) * 2 + 0] = y >> 8, \
+ p[(xout) * 2 + 1] = y & 0xff \
+)
+#endif
+#endif
+
+#define PIC_32(yin, xin, p, xout) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ STORECLAMP(p[(xout) * 4 + 0], y + cr), \
+ STORECLAMP(p[(xout) * 4 + 1], y - cg), \
+ STORECLAMP(p[(xout) * 4 + 2], y + cb), \
+ p[(xout) * 4 + 3] = 0 \
+)
+
+#define PIC221111(xin) \
+( \
+ CBCRCG(0, xin), \
+ PIC(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0), \
+ PIC(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1), \
+ PIC(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0), \
+ PIC(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1) \
+)
+
+#define PIC221111_16(xin) \
+( \
+ CBCRCG(0, xin), \
+ PIC_16(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0, 3), \
+ PIC_16(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1, 0), \
+ PIC_16(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0, 1), \
+ PIC_16(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1, 2) \
+)
+
+#define PIC221111_32(xin) \
+( \
+ CBCRCG(0, xin), \
+ PIC_32(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0),\
+ PIC_32(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1),\
+ PIC_32(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0),\
+ PIC_32(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1) \
+)
+
+static void col221111(int *out, unsigned char *pic, int width)
+{
+ int i, j, k;
+ unsigned char *pic0, *pic1;
+ int *outy, *outc;
+ int cr, cg, cb, y;
+
+ pic0 = pic;
+ pic1 = pic + width;
+ outy = out;
+ outc = out + 64 * 4;
+ for (i = 2; i > 0; i--) {
+ for (j = 4; j > 0; j--) {
+ for (k = 0; k < 8; k++) {
+ PIC221111(k);
+ }
+ outc += 8;
+ outy += 16;
+ pic0 += 2 * width;
+ pic1 += 2 * width;
+ }
+ outy += 64 * 2 - 16 * 4;
+ }
+}
+
+static void col221111_16(int *out, unsigned char *pic, int width)
+{
+ int i, j, k;
+ unsigned char *pic0, *pic1;
+ int *outy, *outc;
+ int cr, cg, cb, y;
+
+ pic0 = pic;
+ pic1 = pic + width;
+ outy = out;
+ outc = out + 64 * 4;
+ for (i = 2; i > 0; i--) {
+ for (j = 4; j > 0; j--) {
+ for (k = 0; k < 8; k++) {
+ PIC221111_16(k);
+ }
+ outc += 8;
+ outy += 16;
+ pic0 += 2 * width;
+ pic1 += 2 * width;
+ }
+ outy += 64 * 2 - 16 * 4;
+ }
+}
+
+static void col221111_32(int *out, unsigned char *pic, int width)
+{
+ int i, j, k;
+ unsigned char *pic0, *pic1;
+ int *outy, *outc;
+ int cr, cg, cb, y;
+
+ pic0 = pic;
+ pic1 = pic + width;
+ outy = out;
+ outc = out + 64 * 4;
+ for (i = 2; i > 0; i--) {
+ for (j = 4; j > 0; j--) {
+ for (k = 0; k < 8; k++) {
+ PIC221111_32(k);
+ }
+ outc += 8;
+ outy += 16;
+ pic0 += 2 * width;
+ pic1 += 2 * width;
+ }
+ outy += 64 * 2 - 16 * 4;
+ }
+}
--- /dev/null
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2001 by Michael Schroeder
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/*
+ * a tiny jpeg decoder.
+ *
+ * written in August 2001 by Michael Schroeder <mls@suse.de>
+ */
+
+#ifndef __JPEG_H
+#define __JPEG_H
+
+#define ERR_NO_SOI 1
+#define ERR_NOT_8BIT 2
+#define ERR_HEIGHT_MISMATCH 3
+#define ERR_WIDTH_MISMATCH 4
+#define ERR_BAD_WIDTH_OR_HEIGHT 5
+#define ERR_TOO_MANY_COMPPS 6
+#define ERR_ILLEGAL_HV 7
+#define ERR_QUANT_TABLE_SELECTOR 8
+#define ERR_NOT_YCBCR_221111 9
+#define ERR_UNKNOWN_CID_IN_SCAN 10
+#define ERR_NOT_SEQUENTIAL_DCT 11
+#define ERR_WRONG_MARKER 12
+#define ERR_NO_EOI 13
+#define ERR_BAD_TABLES 14
+#define ERR_DEPTH_MISMATCH 15
+
+struct jpeg_decdata {
+ int dcts[6 * 64 + 16];
+ int out[64 * 6];
+ int dquant[3][64];
+};
+
+int jpeg_decode(unsigned char *, unsigned char *, int, int, int, struct jpeg_decdata *);
+int jpeg_check_size(unsigned char *, int, int);
+
+#endif
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2007 coresystems GmbH
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-##
-
-#X86EMU_INCLUDE = -I $(src)/util/x86emu/include
-
-X86EMU_SRC = debug.c decode.c fpu.c ops.c ops2.c prim_ops.c sys.c
-ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_X86EMU),y)
-BIOSEMU_SRC = biosemu.c
-endif
-
-ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL),y)
-BIOSEMU_SRC = biosemu.c debug.c device.c mem.c io.c interrupt.c
-#TODO: add vbe.c, currently not needed...
-#BIOSEMU_SRC +=vbe.c
-BIOSEMU_SRC +=pmm.c
-#PH: TODO: remove the compat files??
-BIOSEMU_SRC += compat/functions.c
-X86EMU_INCLUDE += -I $(src)/util/x86emu/yabel
-X86EMU_INCLUDE += -I $(src)/util/x86emu
-#TODO: remove these, these are .h files from slof, to make the merge easier...
-X86EMU_INCLUDE += -I $(src)/util/x86emu/yabel/compat
-endif
-REALMODE_SRC = x86.c x86_asm.S
-
-ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_X86EMU),y)
-LIBX86EMU_SRC=$(patsubst %,x86emu/%,$(X86EMU_SRC)) $(BIOSEMU_SRC)
-endif
-
-ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL),y)
-LIBX86EMU_SRC=$(patsubst %,x86emu/%,$(X86EMU_SRC)) $(patsubst %,yabel/%,$(BIOSEMU_SRC))
-endif
-
-ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
-LIBX86EMU_SRC=$(REALMODE_SRC)
-endif
-
-LIBX86EMU_OBJS = $(patsubst %.c,$(obj)/util/x86emu/%.o,$(LIBX86EMU_SRC))
-# needed for kscope
-PCIROM_SRC += $(patsubst %,$(src)/util/x86emu/%,$(LIBX86EMU_SRC))
-
-
-$(obj)/util/x86emu/libx86emu.a: $(LIBX86EMU_OBJS) $(src)/.config
- @printf " AR $(subst $(shell pwd)/,,$(@))\n"
- $(Q)rm -f $@ # otherwise we always add to the archive
- $(Q)$(AR) qcs $@ $(LIBX86EMU_OBJS)
-
-#
-# This rule is also valid for all subdirectories
-#
-
-$(obj)/util/x86emu/%.o: $(src)/util/x86emu/%.c
- @printf " CC $(subst $(shell pwd)/,,$(@))\n"
- $(Q)mkdir -p $(dir $@)
- $(Q)$(CC) -Werror $(INITCFLAGS) $(X86EMU_INCLUDE) -I$(src)/util/x86emu/include -c $< -o $@
-
##
## This file is part of the coreboot project.
##
-## Copyright (C) 2007 coresystems GmbH
+## Copyright (C) 2007-2010 coresystems GmbH
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
+## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
-subdirs-$(CONFIG_PCI_OPTION_ROM_RUN_X86EMU) += x86emu
-obj-$(CONFIG_PCI_OPTION_ROM_RUN_X86EMU) += biosemu.o
-
obj-$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE) += x86.o
obj-$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE) += x86_asm.o
obj-$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE) += x86_interrupts.o
-/*
- * This software and ancillary information (herein called SOFTWARE )
- * called LinuxBIOS is made available under the terms described
- * here. The SOFTWARE has been approved for release with associated
- * LA-CC Number 00-34 . Unless otherwise indicated, this SOFTWARE has
- * been authored by an employee or employees of the University of
- * California, operator of the Los Alamos National Laboratory under
- * Contract No. W-7405-ENG-36 with the U.S. Department of Energy. The
- * U.S. Government has rights to use, reproduce, and distribute this
- * SOFTWARE. The public may copy, distribute, prepare derivative works
- * and publicly display this SOFTWARE without charge, provided that this
- * Notice and any statement of authorship are reproduced on all copies.
- * Neither the Government nor the University makes any warranty, express
- * or implied, or assumes any liability or responsibility for the use of
- * this SOFTWARE. If SOFTWARE is modified to produce derivative works,
- * such modified SOFTWARE should be clearly marked, so as not to confuse
- * it with the version available from LANL.
- */
- /*
- * This file is part of the coreboot project.
- *
- * (c) Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL
- * Copyright (C) 2009 coresystems GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <string.h>
-#include <arch/io.h>
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <x86emu/x86emu.h>
-#include "x86emu/prim_ops.h"
-
-#define DATA_SEGMENT 0x2000
-#define STACK_SEGMENT 0x1000 //1000:xxxx
-#define STACK_START_OFFSET 0xfffe
-#define INITIAL_EBDA_SEGMENT 0xF600 // segment of the Extended BIOS Data Area
-#define INITIAL_EBDA_SIZE 0x400 // size of the EBDA (at least 1KB!! since size is stored in KB!)
-
-enum {
- PCI_BIOS_PRESENT = 0xB101,
- FIND_PCI_DEVICE = 0xB102,
- FIND_PCI_CLASS_CODE = 0xB103,
- GENERATE_SPECIAL_CYCLE = 0xB106,
- READ_CONFIG_BYTE = 0xB108,
- READ_CONFIG_WORD = 0xB109,
- READ_CONFIG_DWORD = 0xB10A,
- WRITE_CONFIG_BYTE = 0xB10B,
- WRITE_CONFIG_WORD = 0xB10C,
- WRITE_CONFIG_DWORD = 0xB10D,
- GET_IRQ_ROUTING_OPTIONS = 0xB10E,
- SET_PCI_IRQ = 0xB10F
-};
-
-enum {
- SUCCESSFUL = 0x00,
- FUNC_NOT_SUPPORTED = 0x81,
- BAD_VENDOR_ID = 0x83,
- DEVICE_NOT_FOUND = 0x86,
- BAD_REGISTER_NUMBER = 0x87,
- SET_FAILED = 0x88,
- BUFFER_TOO_SMALL = 0x89
-};
-
-#define MEM_WB(where, what) wrb(where, what)
-#define MEM_WW(where, what) wrw(where, what)
-#define MEM_WL(where, what) wrl(where, what)
-
-#define MEM_RB(where) rdb(where)
-#define MEM_RW(where) rdw(where)
-#define MEM_RL(where) rdl(where)
-
-static u8 biosemu_inb(u16 port)
-{
- u8 val;
-
- val = inb(port);
-#ifdef DEBUG
- if (port != 0x40)
- printk("inb(0x%04x) = 0x%02x\n", port, val);
-#endif
-
- return val;
-}
-
-static u16 biosemu_inw(u16 port)
-{
- u16 val;
-
- val = inw(port);
-
-#ifdef DEBUG
- printk("inw(0x%04x) = 0x%04x\n", port, val);
-#endif
- return val;
-}
-
-static u32 biosemu_inl(u16 port)
-{
- u32 val;
-
- val = inl(port);
-
-#ifdef DEBUG
- printk("inl(0x%04x) = 0x%08x\n", port, val);
-#endif
- return val;
-}
-
-static void biosemu_outb(u16 port, u8 val)
-{
-#ifdef DEBUG
- if (port != 0x43)
- printk("outb(0x%02x, 0x%04x)\n", val, port);
-#endif
- outb(val, port);
-}
-
-static void biosemu_outw(u16 port, u16 val)
-{
-#ifdef DEBUG
- printk("outw(0x%04x, 0x%04x)\n", val, port);
-#endif
- outw(val, port);
-}
-
-static void biosemu_outl(u16 port, u32 val)
-{
-#ifdef DEBUG
- printk("outl(0x%08x, 0x%04x)\n", val, port);
-#endif
- outl(val, port);
-}
-
-static X86EMU_pioFuncs biosemu_piofuncs = {
- biosemu_inb, biosemu_inw, biosemu_inl,
- biosemu_outb, biosemu_outw, biosemu_outl
-};
-
-/* Interrupt Handlers */
-
-static int int15_handler(void)
-{
- /* This int15 handler is VIA Tech. and Intel specific. Other chipsets need other
- * handlers. The right way to do this is to move this handler code into
- * the mainboard or northbridge code.
- */
- switch (X86_AX) {
- case 0x5f19:
- X86_EFLAGS |= FB_CF; /* set carry flag */
- break;
- case 0x5f18:
- X86_EAX = 0x5f;
- // MCLK = 133, 32M frame buffer, 256 M main memory
- X86_EBX = 0x545;
- X86_ECX = 0x060;
- X86_EFLAGS &= ~FB_CF;
- break;
- case 0x5f00:
- X86_EAX = 0x8600;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- break;
- case 0x5f01:
- X86_EAX = 0x5f;
- X86_ECX = (X86_ECX & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768
- X86_EFLAGS &= ~FB_CF;
- break;
- case 0x5f02:
- X86_EAX = 0x5f;
- X86_EBX = (X86_EBX & 0xffff0000) | 2;
- X86_ECX = (X86_ECX & 0xffff0000) | 0x401; // PAL + crt only
- X86_EDX = (X86_EDX & 0xffff0000) | 0; // TV Layout - default
- X86_EFLAGS &= ~FB_CF;
- break;
- case 0x5f0f:
- X86_EAX = 0x860f;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- break;
- /* And now Intel IGD code */
-#define BOOT_DISPLAY_DEFAULT 0
-#define BOOT_DISPLAY_CRT (1 << 0)
-#define BOOT_DISPLAY_TV (1 << 1)
-#define BOOT_DISPLAY_EFP (1 << 2)
-#define BOOT_DISPLAY_LCD (1 << 3)
-#define BOOT_DISPLAY_CRT2 (1 << 4)
-#define BOOT_DISPLAY_TV2 (1 << 5)
-#define BOOT_DISPLAY_EFP2 (1 << 6)
-#define BOOT_DISPLAY_LCD2 (1 << 7)
-
- case 0x5f35:
- X86_EAX = 0x5f;
- X86_ECX = BOOT_DISPLAY_DEFAULT;
- X86_EFLAGS &= ~FB_CF;
- break;
- case 0x5f40:
- X86_EAX = 0x5f;
- X86_ECX = 3; // This is mainboard specific
- printk("DISPLAY=%x\n", X86_ECX);
- X86_EFLAGS &= ~FB_CF;
- break;
- default:
- printk("Unknown INT15 function %04x!\n", X86_AX);
- X86_EFLAGS |= FB_CF; /* set carry flag */
- }
-
- return 1;
-}
-
-static int int1a_handler(void)
-{
- int ret = 0;
- struct device *dev = 0;
-
- switch (X86_AX) {
- case PCI_BIOS_PRESENT:
- X86_AH = 0x00; /* no config space/special cycle support */
- X86_AL = 0x01; /* config mechanism 1 */
- X86_EDX = 'P' | 'C' << 8 | 'I' << 16 | ' ' << 24;
- X86_EBX = 0x0210; /* Version 2.10 */
- X86_ECX = 0xFF00; /* FIXME: Max bus number */
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- break;
- case FIND_PCI_DEVICE:
- /* FIXME: support SI != 0 */
- dev = dev_find_device(X86_DX, X86_CX, dev);
- if (dev != 0) {
- X86_BH = dev->bus->secondary;
- X86_BL = dev->path.pci.devfn;
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case FIND_PCI_CLASS_CODE:
- /* FixME: support SI != 0 */
- dev = dev_find_class(X86_ECX, dev);
- if (dev != 0) {
- X86_BH = dev->bus->secondary;
- X86_BL = dev->path.pci.devfn;
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case READ_CONFIG_BYTE:
- dev = dev_find_slot(X86_BH, X86_BL);
- if (dev != 0) {
- X86_CL = pci_read_config8(dev, X86_DI);
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case READ_CONFIG_WORD:
- dev = dev_find_slot(X86_BH, X86_BL);
- if (dev != 0) {
- X86_CX = pci_read_config16(dev, X86_DI);
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case READ_CONFIG_DWORD:
- dev = dev_find_slot(X86_BH, X86_BL);
- if (dev != 0) {
- X86_ECX = pci_read_config32(dev, X86_DI);
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case WRITE_CONFIG_BYTE:
- dev = dev_find_slot(X86_BH, X86_BL);
- if (dev != 0) {
- pci_write_config8(dev, X86_DI, X86_CL);
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case WRITE_CONFIG_WORD:
- dev = dev_find_slot(X86_BH, X86_BL);
- if (dev != 0) {
- pci_write_config16(dev, X86_DI, X86_CX);
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- case WRITE_CONFIG_DWORD:
- dev = dev_find_slot(X86_BH, X86_BL);
- if (dev != 0) {
- pci_write_config16(dev, X86_DI, X86_ECX);
- X86_AH = SUCCESSFUL;
- X86_EFLAGS &= ~FB_CF; /* clear carry flag */
- ret = 1;
- } else {
- X86_AH = DEVICE_NOT_FOUND;
- X86_EFLAGS |= FB_CF; /* set carry flag */
- ret = 0;
- }
- break;
- default:
- X86_AH = FUNC_NOT_SUPPORTED;
- X86_EFLAGS |= FB_CF;
- break;
- }
-
- return ret;
-}
-
-/* Interrupt multiplexer */
-
-/* Find base address of interrupt handler */
-static u32 getIntVect(int num)
-{
- return MEM_RW(num << 2) + (MEM_RW((num << 2) + 2) << 4);
-}
-
-static int run_bios_int(int num)
-{
- u32 eflags;
-
- eflags = X86_EFLAGS;
- push_word(eflags);
- push_word(X86_CS);
- push_word(X86_IP);
- X86_CS = MEM_RW((num << 2) + 2);
- X86_IP = MEM_RW(num << 2);
-
- return 1;
-}
-
-static void do_int(int num)
-{
- int ret = 0;
-
- printk("int%x (AX=%04x) vector at %x\n", num, X86_AX, getIntVect(num));
-
- switch (num) {
- case 0x10:
- case 0x42:
- case 0x6D:
- if (getIntVect(num) == 0x0000) {
- printk("uninitialized interrupt vector\n");
- ret = 1;
- }
- if (getIntVect(num) == 0xFF065) {
- //ret = int42_handler();
- ret = 1;
- }
- break;
- case 0x15:
- ret = int15_handler();
- ret = 1;
- break;
- case 0x16:
- //ret = int16_handler();
- ret = 0;
- break;
- case 0x1A:
- ret = int1a_handler();
- ret = 1;
- break;
- case 0xe6:
- //ret = intE6_handler();
- ret = 0;
- break;
- default:
- break;
- }
-
- if (!ret)
- ret = run_bios_int(num);
-
-}
-
-/*
- * here we are really paranoid about faking a "real"
- * BIOS. Most of this information was pulled from
- * dosemu.
- */
-static void setup_system_bios(void)
-{
- int i;
-
- /* Set up Interrupt Vectors. The IVT starts at 0x0000:0x0000
- * Additionally, we put some stub code into the F segment for
- * those pesky little buggers that jmp to the hard coded addresses
- * instead of calling int XX. This stub code looks like this
- *
- * CD XX int 0xXX
- * C3 ret
- * F4 hlt
- */
-
- /* int 05 default location (Bound Exceeded) */
- MEM_WL(0x05 << 2, 0xf000ff54);
- MEM_WL(0xfff54, 0xf4c305cd);
- /* int 08 default location (Double Fault) */
- MEM_WL(0x08 << 2, 0xf000fea5);
- MEM_WL(0xffea5, 0xf4c308cd);
- /* int 0E default location (Page Fault) */
- MEM_WL(0x0e << 2, 0xf000ef57);
- MEM_WL(0xfef57, 0xf4c30ecd);
- /* int 10 default location */
- MEM_WL(0x10 << 2, 0xf000f065);
- MEM_WL(0xff065, 0xf4c310cd);
- /* int 11 default location (Get Equipment Configuration) */
- MEM_WL(0x11 << 2, 0xf000f84d);
- MEM_WL(0xff84d, 0xf4c311cd);
- /* int 12 default location (Get Conventional Memory Size) */
- MEM_WL(0x12 << 2, 0xf000f841);
- MEM_WL(0xff841, 0xf4c312cd);
- /* int 13 default location (Disk) */
- MEM_WL(0x13 << 2, 0xf000ec59);
- MEM_WL(0xfec59, 0xf4c313cd);
- /* int 14 default location (Disk) */
- MEM_WL(0x14 << 2, 0xf000e739);
- MEM_WL(0xfe739, 0xf4c314cd);
- /* int 15 default location (I/O System Extensions) */
- MEM_WL(0x15 << 2, 0xf000f859);
- MEM_WL(0xf859, 0xf4c315cd);
- /* int 16 default location */
- MEM_WL(0x16 << 2, 0xf000e82e);
- MEM_WL(0xfe82e, 0xf4c316cd);
- /* int 17 default location (Parallel Port) */
- MEM_WL(0x17 << 2, 0xf000efd2);
- MEM_WL(0xfefd2, 0xf4c317cd);
- /* int 1A default location (RTC, PCI and others) */
- MEM_WL(0x1a << 2, 0xf000fe6e);
- MEM_WL(0xffe6e, 0xf4c31acd);
- /* int 1E default location (FDD table) */
- MEM_WL(0x1e << 2, 0xf000efc7);
- MEM_WL(0xfefc7, 0xf4c31ecd);
- /* font tables default location (int 1F) */
- MEM_WL(0x1f << 2, 0xf000fa6e);
- MEM_WL(0xffa6e, 0xf4c31fcd);
- /* int 42 default location */
- MEM_WL(0x42 << 2, 0xf000f065);
- /* int 6D default location */
- MEM_WL(0x6D << 2, 0xf000f065);
-
- /* Clear EBDA */
- for (i=(INITIAL_EBDA_SEGMENT << 4);
- i<(INITIAL_EBDA_SEGMENT << 4) + INITIAL_EBDA_SIZE; i++)
- MEM_WB(i, 0);
- /* at offset 0h in EBDA is the size of the EBDA in KB */
- MEM_WW((INITIAL_EBDA_SEGMENT << 4) + 0x0, INITIAL_EBDA_SIZE / 1024);
-
- /* Clear BDA */
- for (i=0x400; i<0x500; i+=4)
- MEM_WL(i, 0);
-
- /* Set up EBDA */
- MEM_WW(0x40e, INITIAL_EBDA_SEGMENT);
-
- /* Set RAM size to 16MB (fake) */
- MEM_WW(0x413, 16384);
-
- // TODO Set up more of BDA here
-
- /* setup original ROM BIOS Area (F000:xxxx) */
- const char *date = "06/23/99";
- for (i = 0; date[i]; i++)
- MEM_WB(0xffff5 + i, date[i]);
- /* set up eisa ident string */
- const char *ident = "PCI_ISA";
- for (i = 0; ident[i]; i++)
- MEM_WB(0xfffd9 + i, ident[i]);
-
- // write system model id for IBM-AT
- // according to "Ralf Browns Interrupt List" Int15 AH=C0 Table 515,
- // model FC is the original AT and also used in all DOSEMU Versions.
- MEM_WB(0xFFFFE, 0xfc);
-}
-
-#define BIOSEMU_MEM_BASE 0x00000000
-#define BIOSEMU_MEM_SIZE 0x00100000
-void run_bios(struct device * dev, unsigned long addr)
-{
- int i;
- u16 initialcs = (addr & 0xF0000) >> 4;
- u16 initialip = (addr + 3) & 0xFFFF;
- u16 devfn = (dev->bus->secondary << 8) | dev->path.pci.devfn;
- X86EMU_intrFuncs intFuncs[256];
-
- X86EMU_setMemBase(BIOSEMU_MEM_BASE, BIOSEMU_MEM_SIZE);
- X86EMU_setupPioFuncs(&biosemu_piofuncs);
- for (i = 0; i < 256; i++)
- intFuncs[i] = do_int;
- X86EMU_setupIntrFuncs(intFuncs);
-
- setup_system_bios();
-
- /* cpu setup */
- X86_AX = devfn ? devfn : 0xff;
- X86_DX = 0x80;
- X86_EIP = initialip;
- X86_CS = initialcs;
-
- /* Initialize stack and data segment */
- X86_SS = STACK_SEGMENT;
- X86_SP = STACK_START_OFFSET;;
- X86_DS = DATA_SEGMENT;
-
- /* We need a sane way to return from bios
- * execution. A hlt instruction and a pointer
- * to it, both kept on the stack, will do.
- */
- push_word(0xf4f4); /* hlt; hlt */
- push_word(X86_SS);
- push_word(X86_SP + 2);
-
-#ifdef DEBUG
- //X86EMU_trace_on();
-#endif
-
- printk("Executing Initialization Vector...\n");
- X86EMU_exec();
- printk("Option ROM Exit Status: %04x\n", X86_AX);
-
- /* Check whether the stack is "clean" i.e. containing the HLT
- * instruction we pushed before executing and pointing to the original
- * stack address... indicating that the initialization probably was
- * successful
- */
- if ((pop_word() == 0xf4f4) && (X86_SS == STACK_SEGMENT)
- && (X86_SP == STACK_START_OFFSET)) {
- printk("Stack is clean, initialization successfull!\n");
- } else {
- printk("Stack unclean, initialization probably NOT COMPLETE!!\n");
- printk("SS:SP = %04x:%04x, expected: %04x:%04x\n",
- X86_SS, X86_SP, STACK_SEGMENT, STACK_START_OFFSET);
- }
-}
obj-y += io.o
obj-y += mem.o
obj-y += pmm.o
+obj-y += vbe.o
subdirs-y += compat
// in case we jump somewhere unexpected, or execution is finished,
// fill the biosmem with hlt instructions (0xf4)
- memset(biosmem, 0xf4, biosmem_size);
+ // But we have to be careful: If biosmem is 0x00000000 we're running
+ // in the lower 1MB and we must not wipe memory like that.
+ if (biosmem) {
+ DEBUG_PRINTF("Clearing biosmem\n");
+ memset(biosmem, 0xf4, biosmem_size);
+ }
+
+ X86EMU_setMemBase(biosmem, biosmem_size);
- M.mem_base = (long) biosmem;
- M.mem_size = biosmem_size;
DEBUG_PRINTF("membase set: %08x, size: %08x\n", (int) M.mem_base,
(int) M.mem_size);
#include <types.h>
#include <string.h>
#include <device/device.h>
+#include "../debug.h"
-#define VMEM_SIZE 1024 *1024 /* 1 MB */
+#define VMEM_SIZE (1024 * 1024) /* 1 MB */
+#if !defined(CONFIG_YABEL_DIRECTHW) || (!CONFIG_YABEL_DIRECTHW)
#ifdef CONFIG_YABEL_VIRTMEM_LOCATION
u8* vmem = (u8 *) CONFIG_YABEL_VIRTMEM_LOCATION;
#else
u8* vmem = (u8 *) (16*1024*1024); /* default to 16MB */
#endif
+#else
+u8* vmem = NULL;
+#endif
u32 biosemu(u8 *biosmem, u32 biosmem_size, struct device *dev,
unsigned long rom_addr);
+#if CONFIG_BOOTSPLASH
+void vbe_set_graphics(void);
+#endif
void run_bios(struct device * dev, unsigned long addr)
{
+
biosemu(vmem, VMEM_SIZE, dev, addr);
- memcpy(0x0, vmem + 0x0, 0x400);
- memcpy(0x400, vmem + 0x400, 0x100);
- memcpy(0xc0000, vmem + 0xc0000, 0x10000);
+
+#if CONFIG_BOOTSPLASH
+ vbe_set_graphics();
+#endif
+
+ if (vmem != NULL) {
+ printf("Copying legacy memory from 0x%08x to the lower 1MB\n", vmem);
+ memcpy(0x00000, vmem + 0x00000, 0x400); // IVT
+ memcpy(0x00400, vmem + 0x00400, 0x100); // BDA
+ memcpy(0xc0000, vmem + 0xc0000, 0x10000); // VGA OPROM
+ }
}
u64 get_time(void)
return 0;
}
#endif
+
+#if defined(CONFIG_YABEL_DIRECTHW) && (CONFIG_YABEL_DIRECTHW == 1)
+u8 my_inb(X86EMU_pioAddr addr)
+{
+ u8 val;
+
+ val = inb(addr);
+#ifdef CONFIG_DEBUG
+ if ((debug_flags & DEBUG_IO) && (addr != 0x40))
+ printk("inb(0x%04x) = 0x%02x\n", addr, val);
+#endif
+
+ return val;
+}
+
+u16 my_inw(X86EMU_pioAddr addr)
+{
+ u16 val;
+
+ val = inw(addr);
+
+#ifdef CONFIG_DEBUG
+ if (debug_flags & DEBUG_IO)
+ printk("inw(0x%04x) = 0x%04x\n", addr, val);
+#endif
+ return val;
+}
+
+u32 my_inl(X86EMU_pioAddr addr)
+{
+ u32 val;
+
+ val = inl(addr);
+
+#ifdef CONFIG_DEBUG
+ if (debug_flags & DEBUG_IO)
+ printk("inl(0x%04x) = 0x%08x\n", addr, val);
+#endif
+ return val;
+}
+
+void my_outb(X86EMU_pioAddr addr, u8 val)
+{
+#ifdef CONFIG_DEBUG
+ if ((debug_flags & DEBUG_IO) && (addr != 0x43))
+ printk("outb(0x%02x, 0x%04x)\n", val, addr);
+#endif
+ outb(val, addr);
+}
+
+void my_outw(X86EMU_pioAddr addr, u16 val)
+{
+#ifdef CONFIG_DEBUG
+ if (debug_flags & DEBUG_IO)
+ printk("outw(0x%04x, 0x%04x)\n", val, addr);
+#endif
+ outw(val, addr);
+}
+
+void my_outl(X86EMU_pioAddr addr, u32 val)
+{
+#ifdef CONFIG_DEBUG
+ if (debug_flags & DEBUG_IO)
+ printk("outl(0x%08x, 0x%04x)\n", val, addr);
+#endif
+ outl(val, addr);
+}
+
+#else
+
u32 pci_cfg_read(X86EMU_pioAddr addr, u8 size);
void pci_cfg_write(X86EMU_pioAddr addr, u32 val, u8 size);
u8 handle_port_61h(void);
//finally read the value from the io_buffer
return *((u8 *) (bios_device.io_buffer + 0x61));
}
+#endif
void update_time(u32);
+#if !defined(CONFIG_YABEL_DIRECTHW) || (!CONFIG_YABEL_DIRECTHW)
// read byte from memory
u8
my_rdb(u32 addr)
out32le((void *) (M.mem_base + addr), val);
}
}
+#else
+u8
+my_rdb(u32 addr)
+{
+ return rdb(addr);
+}
+
+u16
+my_rdw(u32 addr)
+{
+ return rdw(addr);
+}
+
+u32
+my_rdl(u32 addr)
+{
+ return rdl(addr);
+}
+
+void
+my_wrb(u32 addr, u8 val)
+{
+ wrb(addr, val);
+}
+
+void
+my_wrw(u32 addr, u16 val)
+{
+ wrw(addr, val);
+}
+
+void
+my_wrl(u32 addr, u32 val)
+{
+ wrl(addr, val);
+}
+#endif
//update time in BIOS Data Area
//DWord at offset 0x6c is the timer ticks since midnight, timer is running at 18Hz
#include <string.h>
#include <types.h>
+#if CONFIG_BOOTSPLASH
+#include <boot/coreboot_tables.h>
+#endif
+
+#include <arch/byteorder.h>
+#define ntohl(x) be32_to_cpu(x)
#include "debug.h"
#include "interrupt.h"
#include "device.h"
-static X86EMU_memFuncs my_mem_funcs = {
- my_rdb, my_rdw, my_rdl,
- my_wrb, my_wrw, my_wrl
-};
+#include <cbfs.h>
-static X86EMU_pioFuncs my_pio_funcs = {
- my_inb, my_inw, my_inl,
- my_outb, my_outw, my_outl
-};
+#include <delay.h>
+#include "../../src/lib/jpeg.h"
// pointer to VBEInfoBuffer, set by vbe_prepare
u8 *vbe_info_buffer = 0;
+
// virtual BIOS Memory
u8 *biosmem;
u32 biosmem_size;
u16 total_memory;
} vbe_info_t;
+typedef struct {
+ u16 mode_attributes; // 00
+ u8 win_a_attributes; // 02
+ u8 win_b_attributes; // 03
+ u16 win_granularity; // 04
+ u16 win_size; // 06
+ u16 win_a_segment; // 08
+ u16 win_b_segment; // 0a
+ u32 win_func_ptr; // 0c
+ u16 bytes_per_scanline; // 10
+ u16 x_resolution; // 12
+ u16 y_resolution; // 14
+ u8 x_charsize; // 16
+ u8 y_charsize; // 17
+ u8 number_of_planes; // 18
+ u8 bits_per_pixel; // 19
+ u8 number_of_banks; // 20
+ u8 memory_model; // 21
+ u8 bank_size; // 22
+ u8 number_of_image_pages; // 23
+ u8 reserved_page;
+ u8 red_mask_size;
+ u8 red_mask_pos;
+ u8 green_mask_size;
+ u8 green_mask_pos;
+ u8 blue_mask_size;
+ u8 blue_mask_pos;
+ u8 reserved_mask_size;
+ u8 reserved_mask_pos;
+ u8 direct_color_mode_info;
+ u32 phys_base_ptr;
+ u32 offscreen_mem_offset;
+ u16 offscreen_mem_size;
+ u8 reserved[206];
+} __attribute__ ((__packed__)) vesa_mode_info_t;
+
typedef struct {
u16 video_mode;
- u8 mode_info_block[256];
- u16 attributes;
- u16 linebytes;
- u16 x_resolution;
- u16 y_resolution;
- u8 x_charsize;
- u8 y_charsize;
- u8 bits_per_pixel;
- u8 memory_model;
- u32 framebuffer_address;
+ union {
+ vesa_mode_info_t vesa;
+ u8 mode_info_block[256];
+ };
+ // our crap
+ //u16 attributes;
+ //u16 linebytes;
+ //u16 x_resolution;
+ //u16 y_resolution;
+ //u8 x_charsize;
+ //u8 y_charsize;
+ //u8 bits_per_pixel;
+ //u8 memory_model;
+ //u32 framebuffer_address;
} vbe_mode_info_t;
typedef struct {
} vbe_ddc_info_t;
static inline u8
-vbe_prepare()
+vbe_prepare(void)
{
vbe_info_buffer = biosmem + (VBE_SEGMENT << 4); // segment:offset off VBE Data Area
//clear buffer
__func__, mode_info->video_mode, M.x86.R_AH);
return M.x86.R_AH;
}
+
//pointer to mode_info_block is in ES:DI
memcpy(mode_info->mode_info_block,
biosmem + ((M.x86.R_ES << 4) + M.x86.R_DI),
//printf("Mode Info Dump:");
//dump(mode_info_block, 64);
- // offset 0: 16bit le mode attributes
- mode_info->attributes = in16le(mode_info->mode_info_block);
-
- // offset 16: 16bit le bytes per scan line
- mode_info->linebytes = in16le(mode_info->mode_info_block + 16);
-
- // offset 18: 16bit le x resolution
- mode_info->x_resolution = in16le(mode_info->mode_info_block + 18);
-
- // offset 20: 16bit le y resolution
- mode_info->y_resolution = in16le(mode_info->mode_info_block + 20);
-
- // offset 22: 8bit le x charsize
- mode_info->x_charsize = *(mode_info->mode_info_block + 22);
-
- // offset 23: 8bit le y charsize
- mode_info->y_charsize = *(mode_info->mode_info_block + 23);
-
- // offset 25: 8bit le bits per pixel
- mode_info->bits_per_pixel = *(mode_info->mode_info_block + 25);
-
- // offset 27: 8bit le memory model
- mode_info->memory_model = *(mode_info->mode_info_block + 27);
-
- // offset 40: 32bit le containg offset of frame buffer memory ptr
- mode_info->framebuffer_address =
- in32le(mode_info->mode_info_block + 40);
-
return 0;
}
}
u32
-vbe_get_info(u8 argc, char ** argv)
+vbe_get_info(void)
{
u8 rval;
- u32 i;
- if (argc < 4) {
- printf
- ("Usage %s <vmem_base> <device_path> <address of screen_info_t>\n",
- argv[0]);
- int i = 0;
- for (i = 0; i < argc; i++) {
- printf("argv[%d]: %s\n", i, argv[i]);
- }
- return -1;
- }
+ int i;
+
+ // XXX FIXME these need to be filled with sane values
+
// get a copy of input struct...
- screen_info_input_t input =
- *((screen_info_input_t *) strtoul((char *) argv[4], 0, 16));
+ screen_info_input_t input;
// output is pointer to the address passed as argv[4]
- screen_info_t *output =
- (screen_info_t *) strtoul((char *) argv[4], 0, 16);
+ screen_info_t local_output;
+ screen_info_t *output = &local_output;
+ // zero input
+ memset(&input, 0, sizeof(screen_info_input_t));
// zero output
- memset(output, 0, sizeof(screen_info_t));
-
- // argv[1] is address of virtual BIOS mem...
- // argv[2] is the size
- biosmem = (u8 *) strtoul(argv[1], 0, 16);
- biosmem_size = strtoul(argv[2], 0, 16);;
- if (biosmem_size < MIN_REQUIRED_VMEM_SIZE) {
- printf("Error: Not enough virtual memory: %x, required: %x!\n",
- biosmem_size, MIN_REQUIRED_VMEM_SIZE);
- return -1;
- }
- // argv[3] is the device to open and use...
- if (dev_init((char *) argv[3]) != 0) {
- printf("Error initializing device!\n");
- return -1;
- }
- //setup interrupt handler
- X86EMU_intrFuncs intrFuncs[256];
- for (i = 0; i < 256; i++)
- intrFuncs[i] = handleInterrupt;
- X86EMU_setupIntrFuncs(intrFuncs);
- X86EMU_setupPioFuncs(&my_pio_funcs);
- X86EMU_setupMemFuncs(&my_mem_funcs);
-
- // set mem_base
- M.mem_base = (long) biosmem;
- M.mem_size = biosmem_size;
- DEBUG_PRINTF_VBE("membase set: %08x, size: %08x\n", (int) M.mem_base,
- (int) M.mem_size);
+ memset(&output, 0, sizeof(screen_info_t));
vbe_info_t info;
rval = vbe_info(&info);
while ((mode_info.video_mode = info.video_mode_list[i]) != 0xFFFF) {
//DEBUG_PRINTF_VBE("%x: Mode: %04x\n", i, mode_info.video_mode);
vbe_get_mode_info(&mode_info);
-#if 0
+
+ // FIXME all these values are little endian!
+
DEBUG_PRINTF_VBE("Video Mode 0x%04x available, %s\n",
mode_info.video_mode,
(mode_info.attributes & 0x1) ==
mode_info.memory_model);
DEBUG_PRINTF_VBE("\tFramebuffer Offset: %08x\n",
mode_info.framebuffer_address);
-#endif
- if ((mode_info.bits_per_pixel == input.color_depth)
- && (mode_info.x_resolution <= input.max_screen_width)
- && ((mode_info.attributes & 0x80) != 0) // framebuffer mode
- && ((mode_info.attributes & 0x10) != 0) // graphics
- && ((mode_info.attributes & 0x8) != 0) // color
- && (mode_info.x_resolution > best_mode_info.x_resolution)) // better than previous best_mode
+
+ if ((mode_info.vesa.bits_per_pixel == input.color_depth)
+ && (le16_to_cpu(mode_info.vesa.x_resolution) <= input.max_screen_width)
+ && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x80) != 0) // framebuffer mode
+ && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x10) != 0) // graphics
+ && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x8) != 0) // color
+ && (le16_to_cpu(mode_info.vesa.x_resolution) > le16_to_cpu(best_mode_info.vesa.x_resolution))) // better than previous best_mode
{
// yiiiihaah... we found a new best mode
memcpy(&best_mode_info, &mode_info, sizeof(mode_info));
vbe_set_color(0x00, 0x00000000);
vbe_set_color(0xFF, 0x00FFFFFF);
- output->screen_width = best_mode_info.x_resolution;
- output->screen_height = best_mode_info.y_resolution;
- output->screen_linebytes = best_mode_info.linebytes;
- output->color_depth = best_mode_info.bits_per_pixel;
+ output->screen_width = le16_to_cpu(best_mode_info.vesa.x_resolution);
+ output->screen_height = le16_to_cpu(best_mode_info.vesa.y_resolution);
+ output->screen_linebytes = le16_to_cpu(best_mode_info.vesa.bytes_per_scanline);
+ output->color_depth = best_mode_info.vesa.bits_per_pixel;
output->framebuffer_address =
- best_mode_info.framebuffer_address;
+ le32_to_cpu(best_mode_info.vesa.phys_base_ptr);
} else {
printf("%s: No suitable video mode found!\n", __func__);
//unset display_type...
}
return 0;
}
+
+#if CONFIG_BOOTSPLASH
+vbe_mode_info_t mode_info;
+
+void vbe_set_graphics(void)
+{
+ u8 rval;
+ int i;
+
+ vbe_info_t info;
+ rval = vbe_info(&info);
+ if (rval != 0)
+ return;
+
+ DEBUG_PRINTF_VBE("VbeSignature: %s\n", info.signature);
+ DEBUG_PRINTF_VBE("VbeVersion: 0x%04x\n", info.version);
+ DEBUG_PRINTF_VBE("OemString: %s\n", info.oem_string_ptr);
+ DEBUG_PRINTF_VBE("Capabilities:\n");
+ DEBUG_PRINTF_VBE("\tDAC: %s\n",
+ (info.capabilities & 0x1) ==
+ 0 ? "fixed 6bit" : "switchable 6/8bit");
+ DEBUG_PRINTF_VBE("\tVGA: %s\n",
+ (info.capabilities & 0x2) ==
+ 0 ? "compatible" : "not compatible");
+ DEBUG_PRINTF_VBE("\tRAMDAC: %s\n",
+ (info.capabilities & 0x4) ==
+ 0 ? "normal" : "use blank bit in Function 09h");
+
+ mode_info.video_mode = (1 << 14) | CONFIG_FRAMEBUFFER_VESA_MODE;
+ vbe_get_mode_info(&mode_info);
+ unsigned char *framebuffer =
+ (unsigned char *) le32_to_cpu(mode_info.vesa.phys_base_ptr);
+ DEBUG_PRINTF_VBE("FRAMEBUFFER: 0x%08x\n", framebuffer);
+ vbe_set_mode(&mode_info);
+
+ struct jpeg_decdata *decdata;
+ decdata = malloc(sizeof(*decdata));
+
+ /* Switching Intel IGD to 1MB video memory will break this. Who
+ * cares. */
+ int imagesize = 1024*768*2;
+
+ struct cbfs_file *file = cbfs_find("bootsplash.jpg");
+ if (!file) {
+ DEBUG_PRINTF_VBE("Could not find bootsplash.jpg\n");
+ return;
+ }
+ unsigned char *jpeg = ((unsigned char *)file) + ntohl(file->offset);
+ DEBUG_PRINTF_VBE("Splash at %08x ...\n", jpeg);
+ dump(jpeg, 64);
+
+ int ret = 0;
+ DEBUG_PRINTF_VBE("Decompressing boot splash screen...\n");
+ ret = jpeg_decode(jpeg, framebuffer, 1024, 768, 16, decdata);
+ DEBUG_PRINTF_VBE("returns %x\n", ret);
+}
+
+void fill_lb_framebuffer(struct lb_framebuffer *framebuffer)
+{
+ framebuffer->physical_address = le32_to_cpu(mode_info.vesa.phys_base_ptr);
+
+ framebuffer->x_resolution = le16_to_cpu(mode_info.vesa.x_resolution);
+ framebuffer->y_resolution = le16_to_cpu(mode_info.vesa.y_resolution);
+ framebuffer->bytes_per_line = le16_to_cpu(mode_info.vesa.bytes_per_scanline);
+ framebuffer->bits_per_pixel = mode_info.vesa.bits_per_pixel;
+
+ framebuffer->red_mask_pos = mode_info.vesa.red_mask_pos;
+ framebuffer->red_mask_size = mode_info.vesa.red_mask_size;
+
+ framebuffer->green_mask_pos = mode_info.vesa.green_mask_pos;
+ framebuffer->green_mask_size = mode_info.vesa.green_mask_size;
+
+ framebuffer->blue_mask_pos = mode_info.vesa.blue_mask_pos;
+ framebuffer->blue_mask_size = mode_info.vesa.blue_mask_size;
+
+ framebuffer->reserved_mask_pos = mode_info.vesa.reserved_mask_pos;
+ framebuffer->reserved_mask_size = mode_info.vesa.reserved_mask_size;
+}
+
+void vbe_textmode_console(void)
+{
+ /* Wait, just a little bit more, pleeeease ;-) */
+ delay(2);
+
+ M.x86.R_EAX = 0x0003;
+ runInt10();
+}
+
+#endif
projects / coreboot.git / commitdiff