#include "farptr.h" // FLATPTR_TO_SEG
#include "config.h" // CONFIG_*
#include "util.h" // dprintf
-#include "pci.h" // pci_find_class
+#include "pci.h" // foreachpci
#include "pci_regs.h" // PCI_ROM_ADDRESS
#include "pci_ids.h" // PCI_CLASS_DISPLAY_VGA
#include "boot.h" // IPL
+#include "paravirt.h" // qemu_cfg_*
/****************************************************************
#define PCIROM_CODETYPE_X86 0
// The end of the last deployed rom.
-u32 RomEnd;
+u32 RomEnd = BUILD_ROM_START;
/****************************************************************
struct bregs br;
memset(&br, 0, sizeof(br));
+ br.flags = F_IF;
br.ax = bdf;
br.bx = 0xffff;
br.dx = 0xffff;
br.es = SEG_BIOS;
br.di = get_pnp_offset();
- br.cs = seg;
- br.ip = offset;
+ br.code = SEGOFF(seg, offset);
+ start_preempt();
call16big(&br);
+ finish_preempt();
debug_serial_setup();
}
if (sum != 0) {
dprintf(1, "Found option rom with bad checksum: loc=%p len=%d sum=%x\n"
, rom, len, sum);
- return 0;
+ if (CONFIG_OPTIONROMS_CHECKSUM)
+ return 0;
}
return 1;
}
return pci;
}
+// Return start of code in 0xc0000-0xf0000 space.
+static inline u32 _max_rom(void) {
+ extern u8 code32flat_start[], code32init_end[];
+ return CONFIG_RELOCATE_INIT ? (u32)code32init_end : (u32)code32flat_start;
+}
+// Return the memory position up to which roms may be located.
+static inline u32 max_rom(void) {
+ u32 end = _max_rom();
+ return end > BUILD_BIOS_ADDR ? BUILD_BIOS_ADDR : end;
+}
+
// Copy a rom to its permanent location below 1MiB
static struct rom_header *
copy_rom(struct rom_header *rom)
{
u32 romsize = rom->size * 512;
- if (RomEnd + romsize > BUILD_BIOS_ADDR) {
+ if (RomEnd + romsize > max_rom()) {
// Option rom doesn't fit.
- dprintf(1, "Option rom %p doesn't fit.\n", rom);
+ warn_noalloc();
return NULL;
}
dprintf(4, "Copying option rom (size %d) from %p to %x\n"
, romsize, rom, RomEnd);
- memcpy((void*)RomEnd, rom, romsize);
+ iomemcpy((void*)RomEnd, rom, romsize);
return (void*)RomEnd;
}
return 0;
}
+#define RS_PCIROM (1LL<<33)
+
+static void
+setRomSource(u64 *sources, struct rom_header *rom, u64 source)
+{
+ if (sources)
+ sources[((u32)rom - BUILD_ROM_START) / OPTION_ROM_ALIGN] = source;
+}
+
+static int
+getRomPriority(u64 *sources, struct rom_header *rom, int instance)
+{
+ u64 source = sources[((u32)rom - BUILD_ROM_START) / OPTION_ROM_ALIGN];
+ if (!source)
+ return -1;
+ if (source & RS_PCIROM)
+ return bootprio_find_pci_rom(source, instance);
+ return bootprio_find_named_rom(romfile_name(source), instance);
+}
/****************************************************************
* Roms in CBFS
&& ((OPTIONROM_VENDEV_2 >> 16)
| ((OPTIONROM_VENDEV_2 & 0xffff)) << 16) == vendev)
return copy_rom((void*)OPTIONROM_MEM_2);
- int ret = cbfs_copy_optionrom((void*)RomEnd, BUILD_BIOS_ADDR - RomEnd
- , vendev);
- if (ret < 0)
+ char fname[17];
+ snprintf(fname, sizeof(fname), "pci%04x,%04x.rom"
+ , pci_vd_to_ven(vendev), pci_vd_to_dev(vendev));
+ int ret = romfile_copy(romfile_find(fname), (void*)RomEnd
+ , max_rom() - RomEnd);
+ 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)
+run_file_roms(const char *prefix, int isvga, u64 *sources)
{
- struct cbfs_file *file = NULL;
+ u32 file = 0;
for (;;) {
- int iscomp = 0;
- file = cbfs_finddataprefix(prefix, file, &iscomp);
+ file = romfile_findprefix(prefix, file);
if (!file)
break;
- int ret = cbfs_copyfile(file, (void*)RomEnd, BUILD_BIOS_ADDR - RomEnd
- , iscomp);
- if (ret > 0)
- init_optionrom((void*)RomEnd, 0, isvga);
+ struct rom_header *rom = (void*)RomEnd;
+ int ret = romfile_copy(file, rom, max_rom() - RomEnd);
+ if (ret > 0) {
+ setRomSource(sources, rom, file);
+ init_optionrom(rom, 0, isvga);
+ }
}
}
struct rom_header *rom = (void*)orig;
for (;;) {
- dprintf(5, "Inspecting possible rom at %p (dv=%08x bdf=%x)\n"
- , rom, vendev, bdf);
+ dprintf(5, "Inspecting possible rom at %p (vd=%04x:%04x"
+ " bdf=%02x:%02x.%x)\n"
+ , rom, pci_vd_to_ven(vendev), pci_vd_to_dev(vendev)
+ , pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf));
if (rom->signature != OPTION_ROM_SIGNATURE) {
dprintf(6, "No option rom signature (got %x)\n", rom->signature);
goto fail;
goto fail;
}
- u32 vd = (pci->device << 16) | pci->vendor;
+ u32 vd = pci_vd(pci->vendor, pci->device);
if (vd == vendev && pci->type == PCIROM_CODETYPE_X86)
// A match
break;
// Attempt to map and initialize the option rom on a given PCI device.
static int
-init_pcirom(u16 bdf, int isvga)
+init_pcirom(u16 bdf, int isvga, u64 *sources)
{
u32 vendev = pci_config_readl(bdf, PCI_VENDOR_ID);
- dprintf(4, "Attempting to init PCI bdf %02x:%02x.%x (dev/ven %08x)\n"
+ dprintf(4, "Attempting to init PCI bdf %02x:%02x.%x (vd %04x:%04x)\n"
, pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf)
- , vendev);
+ , pci_vd_to_ven(vendev), pci_vd_to_dev(vendev));
struct rom_header *rom = lookup_hardcode(vendev);
if (! rom)
rom = map_pcirom(bdf, vendev);
if (! rom)
// No ROM present.
return -1;
+ setRomSource(sources, rom, RS_PCIROM | bdf);
return init_optionrom(rom, bdf, isvga);
}
****************************************************************/
void
-optionrom_setup()
+optionrom_setup(void)
{
if (! CONFIG_OPTIONROMS)
return;
dprintf(1, "Scan for option roms\n");
-
+ u64 sources[(BUILD_BIOS_ADDR - BUILD_ROM_START) / OPTION_ROM_ALIGN];
+ memset(sources, 0, sizeof(sources));
u32 post_vga = RomEnd;
if (CONFIG_OPTIONROMS_DEPLOYED) {
// Option roms are already deployed on the system.
u32 pos = RomEnd;
- while (pos < BUILD_BIOS_ADDR) {
+ while (pos < max_rom()) {
int ret = init_optionrom((void*)pos, 0, 0);
if (ret)
pos += OPTION_ROM_ALIGN;
if (v == 0x0000 || v == 0xffff || v == PCI_CLASS_DISPLAY_VGA
|| (CONFIG_ATA && v == PCI_CLASS_STORAGE_IDE))
continue;
- init_pcirom(bdf, 0);
+ init_pcirom(bdf, 0, sources);
}
// Find and deploy CBFS roms not associated with a device.
- run_cbfs_roms("genroms/", 0);
+ run_file_roms("genroms/", 0, sources);
}
// All option roms found and deployed - now build BEV/BCV vectors.
struct pnp_data *pnp = get_pnp_rom(rom);
if (! pnp) {
// Legacy rom.
- add_bcv(FLATPTR_TO_SEG(rom), OPTION_ROM_INITVECTOR, 0);
+ boot_add_bcv(FLATPTR_TO_SEG(rom), OPTION_ROM_INITVECTOR, 0
+ , getRomPriority(sources, rom, 0));
continue;
}
// PnP rom.
- if (pnp->bev)
+ if (pnp->bev) {
// Can boot system - add to IPL list.
- add_bev(FLATPTR_TO_SEG(rom), pnp->bev, pnp->productname);
- else
+ boot_add_bev(FLATPTR_TO_SEG(rom), pnp->bev, pnp->productname
+ , getRomPriority(sources, rom, 0));
+ } else {
// Check for BCV (there may be multiple).
+ int instance = 0;
while (pnp && pnp->bcv) {
- add_bcv(FLATPTR_TO_SEG(rom), pnp->bcv, pnp->productname);
+ boot_add_bcv(FLATPTR_TO_SEG(rom), pnp->bcv, pnp->productname
+ , getRomPriority(sources, rom, instance++));
pnp = get_pnp_next(rom, pnp);
}
+ }
}
}
// Call into vga code to turn on console.
void
-vga_setup()
+vga_setup(void)
{
- VGAbdf = -1;
- RomEnd = BUILD_ROM_START;
-
if (! CONFIG_OPTIONROMS)
return;
// Option roms are already deployed on the system.
init_optionrom((void*)BUILD_ROM_START, 0, 1);
} else {
+ // Clear option rom memory
+ memset((void*)RomEnd, 0, _max_rom() - RomEnd);
+
// Find and deploy PCI VGA rom.
int bdf = VGAbdf = pci_find_vga();
if (bdf >= 0)
- init_pcirom(bdf, 1);
+ init_pcirom(bdf, 1, NULL);
// Find and deploy CBFS vga-style roms not associated with a device.
- run_cbfs_roms("vgaroms/", 1);
+ run_file_roms("vgaroms/", 1, NULL);
}
if (RomEnd == BUILD_ROM_START) {
return;
}
- dprintf(1, "Turning on vga console\n");
- struct bregs br;
- memset(&br, 0, sizeof(br));
- br.ax = 0x0003;
- call16_int(0x10, &br);
-
- // Write to screen.
- printf("Starting SeaBIOS (version %s)\n\n", VERSION);
+ enable_vga_console();
}
void
-s3_resume_vga_init()
+s3_resume_vga_init(void)
{
if (!CONFIG_S3_RESUME_VGA_INIT)
return;
projects / seabios.git / blobdiff