u16 staticresource;
} PACKED;
-#define OPTION_ROM_START 0xc0000
#define OPTION_ROM_SIGNATURE 0xaa55
#define OPTION_ROM_ALIGN 2048
#define OPTION_ROM_INITVECTOR offsetof(struct rom_header, initVector[0])
#define PCI_ROM_SIGNATURE 0x52494350 // PCIR
#define PCIROM_CODETYPE_X86 0
-// Next available position for an option rom.
-static u32 next_rom;
+// The end of the last deployed rom.
+u32 RomEnd;
/****************************************************************
// Execute a given option rom.
static void
-callrom(struct rom_header *rom, u16 offset, u16 bdf)
+__callrom(struct rom_header *rom, u16 offset, u16 bdf)
{
u16 seg = FLATPTR_TO_SEG(rom);
- dprintf(1, "Running option rom at %x:%x\n", seg, offset);
+ dprintf(1, "Running option rom at %04x:%04x\n", seg, offset);
struct bregs br;
memset(&br, 0, sizeof(br));
debug_serial_setup();
}
+// Execute a given option rom at the standard entry vector.
+static void
+callrom(struct rom_header *rom, u16 bdf)
+{
+ __callrom(rom, OPTION_ROM_INITVECTOR, bdf);
+}
+
// Execute a BCV option rom registered via add_bcv().
void
call_bcv(u16 seg, u16 ip)
{
- callrom(MAKE_FLATPTR(seg, 0), ip, 0);
+ __callrom(MAKE_FLATPTR(seg, 0), ip, 0);
}
// Verify that an option rom looks valid
static struct pnp_data *
get_pnp_rom(struct rom_header *rom)
{
- struct pnp_data *pnp = (struct pnp_data *)((u8*)rom + rom->pnpoffset);
+ struct pnp_data *pnp = (void*)((u8*)rom + rom->pnpoffset);
if (pnp->signature != PNP_SIGNATURE)
return NULL;
return pnp;
{
if (! pnp->nextoffset)
return NULL;
- pnp = (struct pnp_data *)((u8*)rom + pnp->nextoffset);
+ pnp = (void*)((u8*)rom + pnp->nextoffset);
if (pnp->signature != PNP_SIGNATURE)
return NULL;
return pnp;
static struct pci_data *
get_pci_rom(struct rom_header *rom)
{
- struct pci_data *pci = (struct pci_data *)((u32)rom + rom->pcioffset);
+ struct pci_data *pci = (void*)((u32)rom + rom->pcioffset);
if (pci->signature != PCI_ROM_SIGNATURE)
return NULL;
return pci;
copy_rom(struct rom_header *rom)
{
u32 romsize = rom->size * 512;
- if (next_rom + romsize > BUILD_BIOS_ADDR) {
+ if (RomEnd + romsize > BUILD_BIOS_ADDR) {
// Option rom doesn't fit.
dprintf(1, "Option rom %p doesn't fit.\n", rom);
return NULL;
}
dprintf(4, "Copying option rom (size %d) from %p to %x\n"
- , romsize, rom, next_rom);
- memcpy4((void*)next_rom, rom, romsize);
- return (struct rom_header *)next_rom;
+ , romsize, rom, RomEnd);
+ memcpy((void*)RomEnd, rom, romsize);
+ return (void*)RomEnd;
+}
+
+// Run rom init code and note rom size.
+static int
+init_optionrom(struct rom_header *rom, u16 bdf, int isvga)
+{
+ if (! is_valid_rom(rom))
+ return -1;
+
+ if (isvga || get_pnp_rom(rom))
+ // Only init vga and PnP roms here.
+ callrom(rom, bdf);
+
+ RomEnd = (u32)rom + ALIGN(rom->size * 512, OPTION_ROM_ALIGN);
+
+ return 0;
}
-// Check if an option rom is at a hardcoded location for a device.
+
+/****************************************************************
+ * Roms in CBFS
+ ****************************************************************/
+
+// Check if an option rom is at a hardcoded location or in CBFS.
static struct rom_header *
lookup_hardcode(u32 vendev)
{
if (OPTIONROM_VENDEV_1
&& ((OPTIONROM_VENDEV_1 >> 16)
| ((OPTIONROM_VENDEV_1 & 0xffff)) << 16) == vendev)
- return copy_rom((struct rom_header *)OPTIONROM_MEM_1);
+ return copy_rom((void*)OPTIONROM_MEM_1);
if (OPTIONROM_VENDEV_2
&& ((OPTIONROM_VENDEV_2 >> 16)
| ((OPTIONROM_VENDEV_2 & 0xffff)) << 16) == vendev)
- return copy_rom((struct rom_header *)OPTIONROM_MEM_2);
- struct rom_header *rom = cb_find_optionrom(vendev);
- if (rom)
- return copy_rom(rom);
- return NULL;
+ return copy_rom((void*)OPTIONROM_MEM_2);
+ int ret = cbfs_copy_optionrom((void*)RomEnd, BUILD_BIOS_ADDR - RomEnd
+ , vendev);
+ if (ret < 0)
+ return NULL;
+ return (void*)RomEnd;
}
+// Run all roms in a given CBFS directory.
+static void
+run_cbfs_roms(const char *prefix, int isvga)
+{
+ struct cbfs_file *tmp = NULL;
+ for (;;) {
+ tmp = cbfs_copyfile_prefix(
+ (void*)RomEnd, BUILD_BIOS_ADDR - RomEnd, prefix, tmp);
+ if (!tmp)
+ break;
+ init_optionrom((void*)RomEnd, 0, isvga);
+ }
+}
+
+
+/****************************************************************
+ * PCI roms
+ ****************************************************************/
+
// Map the option rom of a given PCI device.
static struct rom_header *
-map_optionrom(u16 bdf, u32 vendev)
+map_pcirom(u16 bdf, u32 vendev)
{
- dprintf(6, "Attempting to map option rom on dev %x\n", bdf);
+ dprintf(6, "Attempting to map option rom on dev %02x:%02x.%x\n"
+ , pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf));
u8 htype = pci_config_readb(bdf, PCI_HEADER_TYPE);
if ((htype & 0x7f) != PCI_HEADER_TYPE_NORMAL) {
// Looks like a rom - enable it.
pci_config_writel(bdf, PCI_ROM_ADDRESS, orig | PCI_ROM_ADDRESS_ENABLE);
- struct rom_header *rom = (struct rom_header *)orig;
+ struct rom_header *rom = (void*)orig;
for (;;) {
- dprintf(5, "Inspecting possible rom at %p (dv=%x bdf=%x)\n"
+ dprintf(5, "Inspecting possible rom at %p (dv=%08x bdf=%x)\n"
, rom, vendev, bdf);
if (rom->signature != OPTION_ROM_SIGNATURE) {
dprintf(6, "No option rom signature (got %x)\n", rom->signature);
if (vd == vendev && pci->type == PCIROM_CODETYPE_X86)
// A match
break;
- dprintf(6, "Didn't match dev/ven (got %x) or type (got %d)\n"
+ dprintf(6, "Didn't match dev/ven (got %08x) or type (got %d)\n"
, vd, pci->type);
if (pci->indicator & 0x80) {
dprintf(6, "No more images left\n");
goto fail;
}
- rom = (struct rom_header *)((u32)rom + pci->ilen * 512);
+ rom = (void*)((u32)rom + pci->ilen * 512);
}
rom = copy_rom(rom);
}
// Attempt to map and initialize the option rom on a given PCI device.
-static struct rom_header *
-init_optionrom(u16 bdf)
+static int
+init_pcirom(u16 bdf, int isvga)
{
u32 vendev = pci_config_readl(bdf, PCI_VENDOR_ID);
- dprintf(4, "Attempting to init PCI bdf %x (dev/ven %x)\n", bdf, vendev);
+ dprintf(4, "Attempting to init PCI bdf %02x:%02x.%x (dev/ven %08x)\n"
+ , pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf)
+ , vendev);
struct rom_header *rom = lookup_hardcode(vendev);
if (! rom)
- rom = map_optionrom(bdf, vendev);
+ rom = map_pcirom(bdf, vendev);
if (! rom)
// No ROM present.
- return NULL;
-
- if (! is_valid_rom(rom))
- return NULL;
-
- if (get_pnp_rom(rom))
- // Init the PnP rom.
- callrom(rom, OPTION_ROM_INITVECTOR, bdf);
-
- next_rom += ALIGN(rom->size * 512, OPTION_ROM_ALIGN);
-
- return rom;
+ return -1;
+ return init_optionrom(rom, bdf, isvga);
}
dprintf(1, "Scan for option roms\n");
- u32 post_vga = next_rom;
+ u32 post_vga = RomEnd;
if (CONFIG_OPTIONROMS_DEPLOYED) {
// Option roms are already deployed on the system.
- u32 pos = next_rom;
+ u32 pos = RomEnd;
while (pos < BUILD_BIOS_ADDR) {
- struct rom_header *rom = (struct rom_header *)pos;
- if (! is_valid_rom(rom)) {
+ int ret = init_optionrom((void*)pos, 0, 0);
+ if (ret)
pos += OPTION_ROM_ALIGN;
- continue;
- }
- if (get_pnp_rom(rom))
- callrom(rom, OPTION_ROM_INITVECTOR, 0);
- pos += ALIGN(rom->size * 512, OPTION_ROM_ALIGN);
- next_rom = pos;
+ else
+ pos = RomEnd;
}
} else {
// Find and deploy PCI roms.
if (v == 0x0000 || v == 0xffff || v == PCI_CLASS_DISPLAY_VGA
|| (CONFIG_ATA && v == PCI_CLASS_STORAGE_IDE))
continue;
- init_optionrom(bdf);
+ init_pcirom(bdf, 0);
}
+
+ // Find and deploy CBFS roms not associated with a device.
+ run_cbfs_roms("genroms/", 0);
}
// All option roms found and deployed - now build BEV/BCV vectors.
u32 pos = post_vga;
- while (pos < next_rom) {
- struct rom_header *rom = (struct rom_header *)pos;
+ while (pos < RomEnd) {
+ struct rom_header *rom = (void*)pos;
if (! is_valid_rom(rom)) {
pos += OPTION_ROM_ALIGN;
continue;
void
vga_setup()
{
+ VGAbdf = -1;
+ RomEnd = BUILD_ROM_START;
+
if (! CONFIG_OPTIONROMS)
return;
dprintf(1, "Scan for VGA option rom\n");
- next_rom = OPTION_ROM_START;
if (CONFIG_OPTIONROMS_DEPLOYED) {
// Option roms are already deployed on the system.
- struct rom_header *rom = (struct rom_header *)OPTION_ROM_START;
- if (! is_valid_rom(rom))
- return;
- callrom(rom, OPTION_ROM_INITVECTOR, 0);
- next_rom += ALIGN(rom->size * 512, OPTION_ROM_ALIGN);
+ init_optionrom((void*)BUILD_ROM_START, 0, 1);
} else {
// Find and deploy PCI VGA rom.
- int bdf = pci_find_class(PCI_CLASS_DISPLAY_VGA);
- if (bdf < 0)
- // Device not found
- return;
-
- struct rom_header *rom = init_optionrom(bdf);
- if (rom && !get_pnp_rom(rom))
- // Call rom even if it isn't a pnp rom.
- callrom(rom, OPTION_ROM_INITVECTOR, bdf);
+ int bdf = VGAbdf = pci_find_vga();
+ if (bdf >= 0)
+ init_pcirom(bdf, 1);
+
+ // Find and deploy CBFS vga-style roms not associated with a device.
+ run_cbfs_roms("vgaroms/", 1);
+ }
+
+ if (RomEnd == BUILD_ROM_START) {
+ // No VGA rom found
+ RomEnd += OPTION_ROM_ALIGN;
+ return;
}
dprintf(1, "Turning on vga console\n");
call16_int(0x10, &br);
// Write to screen.
- printf("Starting SeaBIOS\n\n");
+ printf("Starting SeaBIOS (version %s)\n\n", VERSION);
+}
+
+void
+s3_resume_vga_init()
+{
+ if (!CONFIG_S3_RESUME_VGA_INIT)
+ return;
+ struct rom_header *rom = (void*)BUILD_ROM_START;
+ if (! is_valid_rom(rom))
+ return;
+ callrom(rom, 0);
}
projects / seabios.git / blobdiff