int main(void)
{
const struct bios_config *bios;
int acpi_enabled;
/* Initialise hypercall stubs with RET, rendering them no-ops. */
memset((void *)HYPERCALL_PHYSICAL_ADDRESS, 0xc3 /* RET */, PAGE_SIZE);
printf("HVM Loader\n");
init_hypercalls();
xenbus_setup();
bios = detect_bios();
printf("System requested %s\n", bios->name);
printf("CPU speed is %u MHz\n", get_cpu_mhz());
apic_setup();
pci_setup();
smp_initialise();
perform_tests();
if ( bios->bios_info_setup )
bios->bios_info_setup();
if ( bios->create_smbios_tables )
{
printf("Writing SMBIOS tables ...\n");
bios->create_smbios_tables();
}
printf("Loading %s ...\n", bios->name);
if ( bios->bios_load )
bios->bios_load(bios);
else
{
BUG_ON(bios->bios_address + bios->image_size >
HVMLOADER_PHYSICAL_ADDRESS);
memcpy((void *)bios->bios_address, bios->image,
bios->image_size);
}
if ( (hvm_info->nr_vcpus > 1) || hvm_info->apic_mode )
{
if ( bios->create_mp_tables )
bios->create_mp_tables();
if ( bios->create_pir_tables )
bios->create_pir_tables();
}
if ( bios->load_roms )
bios->load_roms();
acpi_enabled = !strncmp(xenstore_read("platform/acpi", "1"), "1", 1);
if ( acpi_enabled )
{
init_vnuma_info();
if ( bios->acpi_build_tables )
{
printf("Loading ACPI ...\n");
bios->acpi_build_tables();
}
acpi_enable_sci();
hvm_param_set(HVM_PARAM_ACPI_IOPORTS_LOCATION, 1);
}
init_vm86_tss();
cmos_write_memory_size();
printf("BIOS map:\n");
if ( SCRATCH_PHYSICAL_ADDRESS != scratch_start )
printf(" %05x-%05lx: Scratch space\n",
SCRATCH_PHYSICAL_ADDRESS, scratch_start);
printf(" %05x-%05x: Main BIOS\n",
bios->bios_address,
bios->bios_address + bios->image_size - 1);
if ( bios->e820_setup )
bios->e820_setup();
if ( bios->bios_info_finish )
bios->bios_info_finish();
xenbus_shutdown();
printf("Invoking %s ...\n", bios->name);
return 0;
}
int main(void)
{
const struct bios_config *bios;
int acpi_enabled;
const struct hvm_modlist_entry *bios_module;
/* Initialise hypercall stubs with RET, rendering them no-ops. */
memset((void *)HYPERCALL_PHYSICAL_ADDRESS, 0xc3 /* RET */, PAGE_SIZE);
printf("HVM Loader\n");
BUG_ON(hvm_start_info->magic != XEN_HVM_START_MAGIC_VALUE);
init_hypercalls();
memory_map_setup();
xenbus_setup();
bios = detect_bios();
printf("System requested %s\n", bios->name);
printf("CPU speed is %u MHz\n", get_cpu_mhz());
apic_setup();
pci_setup();
smp_initialise();
perform_tests();
if ( bios->bios_info_setup )
bios->bios_info_setup();
if ( bios->create_smbios_tables )
{
printf("Writing SMBIOS tables ...\n");
bios->create_smbios_tables();
}
printf("Loading %s ...\n", bios->name);
bios_module = get_module_entry(hvm_start_info, "firmware");
if ( bios_module )
{
uint32_t paddr = bios_module->paddr;
bios->bios_load(bios, (void*)paddr, bios_module->size);
}
#ifdef ENABLE_ROMBIOS
else if ( bios == &rombios_config )
{
bios->bios_load(bios, NULL, 0);
}
#endif
else
{
/*
* If there is no BIOS module supplied and if there is no embeded BIOS
* image, then we failed. Only rombios might have an embedded bios blob.
*/
printf("no BIOS ROM image found\n");
BUG();
}
if ( (hvm_info->nr_vcpus > 1) || hvm_info->apic_mode )
{
if ( bios->create_mp_tables )
bios->create_mp_tables();
if ( bios->create_pir_tables )
bios->create_pir_tables();
}
if ( bios->load_roms )
bios->load_roms();
acpi_enabled = !strncmp(xenstore_read("platform/acpi", "1"), "1", 1);
if ( acpi_enabled )
{
init_vnuma_info();
if ( bios->acpi_build_tables )
{
printf("Loading ACPI ...\n");
bios->acpi_build_tables();
}
acpi_enable_sci();
hvm_param_set(HVM_PARAM_ACPI_IOPORTS_LOCATION, 1);
}
init_vm86_tss();
cmos_write_memory_size();
printf("BIOS map:\n");
if ( SCRATCH_PHYSICAL_ADDRESS != scratch_start )
printf(" %05x-%05lx: Scratch space\n",
SCRATCH_PHYSICAL_ADDRESS, scratch_start);
printf(" %05x-%05x: Main BIOS\n",
bios->bios_address,
bios->bios_address + bios->image_size - 1);
if ( bios->e820_setup )
bios->e820_setup();
if ( bios->bios_info_finish )
bios->bios_info_finish();
xenbus_shutdown();
printf("Invoking %s ...\n", bios->name);
return 0;
}
