static void
platform_hardware_setup(void)
{
// Enable CPU caching
setcr0(getcr0() & ~(CR0_CD|CR0_NW));
// Make sure legacy DMA isn't running.
dma_setup();
// Init base pc hardware.
pic_setup();
mathcp_setup();
timer_setup();
clock_setup();
// Platform specific setup
qemu_platform_setup();
coreboot_platform_setup();
}
static void
platform_hardware_setup(void)
{
// Make sure legacy DMA isn't running.
dma_setup();
// Init base pc hardware.
pic_setup();
thread_setup();
mathcp_setup();
// Platform specific setup
qemu_platform_setup();
coreboot_platform_setup();
// Setup timers and periodic clock interrupt
timer_setup();
clock_setup();
// Initialize TPM
tpm_setup();
}
// Main setup code.
static void
maininit(void)
{
// Setup romfile items.
qemu_cfg_romfile_setup();
coreboot_cbfs_setup();
// Setup ivt/bda/ebda
init_ivt();
init_bda();
// Init base pc hardware.
pic_setup();
timer_setup();
mathcp_setup();
// Initialize pci
pci_setup();
smm_init();
// Initialize mtrr
mtrr_setup();
// Setup Xen hypercalls
xen_init_hypercalls();
// Initialize internal tables
boot_setup();
// Start hardware initialization (if optionrom threading)
if (CONFIG_THREADS && CONFIG_THREAD_OPTIONROMS)
init_hw();
// Find and initialize other cpus
smp_probe();
// Setup interfaces that option roms may need
bios32_setup();
pmm_setup();
pnp_setup();
kbd_setup();
mouse_setup();
init_bios_tables();
// Run vga option rom
vga_setup();
// Do hardware initialization (if running synchronously)
if (!CONFIG_THREADS || !CONFIG_THREAD_OPTIONROMS) {
init_hw();
wait_threads();
}
// Run option roms
optionrom_setup();
// Run BCVs and show optional boot menu
boot_prep();
// Finalize data structures before boot
cdemu_setup();
pmm_finalize();
malloc_finalize();
memmap_finalize();
// Setup bios checksum.
BiosChecksum -= checksum((u8*)BUILD_BIOS_ADDR, BUILD_BIOS_SIZE);
// Write protect bios memory.
make_bios_readonly();
// Invoke int 19 to start boot process.
startBoot();
}
/* PrepareToBoot */
static void
handle_csm_0002(struct bregs *regs)
{
if (!CONFIG_BOOT) {
regs->ax = 1;
return;
}
dprintf(3, "PrepareToBoot table %04x:%04x\n", regs->es, regs->bx);
struct e820entry *p = (void *)csm_compat_table.E820Pointer;
int i;
for (i=0; i < csm_compat_table.E820Length / sizeof(struct e820entry); i++)
e820_add(p[i].start, p[i].size, p[i].type);
if (csm_init_table->HiPmmMemorySizeInBytes > BUILD_MAX_HIGHTABLE) {
u32 hi_pmm_end = csm_init_table->HiPmmMemory + csm_init_table->HiPmmMemorySizeInBytes;
e820_add(hi_pmm_end - BUILD_MAX_HIGHTABLE, BUILD_MAX_HIGHTABLE, E820_RESERVED);
}
// For PCIBIOS 1ab10e
if (csm_compat_table.IrqRoutingTablePointer &&
csm_compat_table.IrqRoutingTableLength) {
PirAddr = (void *)csm_compat_table.IrqRoutingTablePointer;
dprintf(3, "CSM PIRQ table at %p\n", PirAddr);
}
// For find_resume_vector()... and find_acpi_features()
if (csm_rsdp.signature == RSDP_SIGNATURE) {
RsdpAddr = &csm_rsdp;
dprintf(3, "CSM ACPI RSDP at %p\n", RsdpAddr);
find_acpi_features();
}
// SMBIOS table needs to be copied into the f-seg
// XX: OVMF doesn't seem to set SmbiosTableLength so don't check it
if (csm_boot_table->SmbiosTable && !SMBiosAddr)
copy_smbios((void *)csm_boot_table->SmbiosTable);
// MPTABLE is just there; we don't care where.
// EFI may have reinitialised the video using its *own* driver.
enable_vga_console();
// EFI fills this in for us. Zero it for now...
struct bios_data_area_s *bda = MAKE_FLATPTR(SEG_BDA, 0);
bda->hdcount = 0;
thread_setup();
mathcp_setup();
timer_setup();
clock_setup();
device_hardware_setup();
wait_threads();
interactive_bootmenu();
prepareboot();
regs->ax = 0;
}
