Пример #1
0
void xen_biostable_setup(void)
{
    struct xen_seabios_info *info = (void *)INFO_PHYSICAL_ADDRESS;
    void **tables = (void*)info->tables;
    int i;

    dprintf(1, "xen: copy BIOS tables...\n");
    for (i=0; i<info->tables_nr; i++)
        copy_table(tables[i]);

    find_acpi_features();
}
Пример #2
0
/* 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;
}