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-rw-r--r--util/x86emu/yabel/Makefile.inc1
-rw-r--r--util/x86emu/yabel/biosemu.c11
-rw-r--r--util/x86emu/yabel/compat/functions.c25
-rw-r--r--util/x86emu/yabel/io.c71
-rw-r--r--util/x86emu/yabel/mem.c38
-rw-r--r--util/x86emu/yabel/vbe.c282
6 files changed, 316 insertions, 112 deletions
diff --git a/util/x86emu/yabel/Makefile.inc b/util/x86emu/yabel/Makefile.inc
index fc6a8a0a9f..f89de9b7dd 100644
--- a/util/x86emu/yabel/Makefile.inc
+++ b/util/x86emu/yabel/Makefile.inc
@@ -5,4 +5,5 @@ obj-y += interrupt.o
obj-y += io.o
obj-y += mem.o
obj-y += pmm.o
+obj-y += vbe.o
subdirs-y += compat
diff --git a/util/x86emu/yabel/biosemu.c b/util/x86emu/yabel/biosemu.c
index df202814a4..09a98b50b6 100644
--- a/util/x86emu/yabel/biosemu.c
+++ b/util/x86emu/yabel/biosemu.c
@@ -86,10 +86,15 @@ biosemu(u8 *biosmem, u32 biosmem_size, struct device * dev, unsigned long rom_ad
// 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);
diff --git a/util/x86emu/yabel/compat/functions.c b/util/x86emu/yabel/compat/functions.c
index 600b0ba38a..599e82e54e 100644
--- a/util/x86emu/yabel/compat/functions.c
+++ b/util/x86emu/yabel/compat/functions.c
@@ -16,24 +16,41 @@
#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)
diff --git a/util/x86emu/yabel/io.c b/util/x86emu/yabel/io.c
index fd205e4dd6..9bb2df4960 100644
--- a/util/x86emu/yabel/io.c
+++ b/util/x86emu/yabel/io.c
@@ -80,6 +80,76 @@ inl(u16 port)
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);
@@ -479,3 +549,4 @@ handle_port_61h(void)
//finally read the value from the io_buffer
return *((u8 *) (bios_device.io_buffer + 0x61));
}
+#endif
diff --git a/util/x86emu/yabel/mem.c b/util/x86emu/yabel/mem.c
index 294e76db1a..1cf66ddff7 100644
--- a/util/x86emu/yabel/mem.c
+++ b/util/x86emu/yabel/mem.c
@@ -168,6 +168,7 @@ extern u64 get_time(void);
void update_time(u32);
+#if !defined(CONFIG_YABEL_DIRECTHW) || (!CONFIG_YABEL_DIRECTHW)
// read byte from memory
u8
my_rdb(u32 addr)
@@ -436,6 +437,43 @@ my_wrl(u32 addr, u32 val)
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
diff --git a/util/x86emu/yabel/vbe.c b/util/x86emu/yabel/vbe.c
index db60630771..90b468bd25 100644
--- a/util/x86emu/yabel/vbe.c
+++ b/util/x86emu/yabel/vbe.c
@@ -13,6 +13,12 @@
#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"
@@ -26,18 +32,14 @@
#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;
@@ -73,17 +75,57 @@ typedef struct {
} 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 {
@@ -94,7 +136,7 @@ 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
@@ -209,6 +251,7 @@ vbe_get_mode_info(vbe_mode_info_t * mode_info)
__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),
@@ -217,34 +260,6 @@ vbe_get_mode_info(vbe_mode_info_t * mode_info)
//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;
}
@@ -482,56 +497,22 @@ vbe_get_ddc_info(vbe_ddc_info_t * ddc_info)
}
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);
@@ -613,7 +594,9 @@ vbe_get_info(u8 argc, char ** argv)
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) ==
@@ -646,13 +629,13 @@ vbe_get_info(u8 argc, char ** argv)
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));
@@ -757,12 +740,12 @@ vbe_get_info(u8 argc, char ** argv)
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...
@@ -770,3 +753,92 @@ vbe_get_info(u8 argc, char ** argv)
}
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
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