132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
#include <lib/term.h>
|
|
#include <lib/real.h>
|
|
#include <lib/blib.h>
|
|
#include <lib/libc.h>
|
|
#include <lib/part.h>
|
|
#include <lib/config.h>
|
|
#include <lib/trace.h>
|
|
#include <sys/e820.h>
|
|
#include <sys/a20.h>
|
|
#include <lib/print.h>
|
|
#include <fs/file.h>
|
|
#include <lib/elf.h>
|
|
#include <mm/pmm.h>
|
|
#include <protos/stivale.h>
|
|
#include <protos/stivale2.h>
|
|
#include <protos/linux.h>
|
|
#include <protos/chainload.h>
|
|
#include <protos/multiboot1.h>
|
|
#include <menu.h>
|
|
#include <pxe/pxe.h>
|
|
#include <pxe/tftp.h>
|
|
#include <drivers/disk.h>
|
|
|
|
void stage3_common(void);
|
|
|
|
#if defined (uefi)
|
|
__attribute__((naked))
|
|
EFI_STATUS efi_main(
|
|
__attribute__((unused)) EFI_HANDLE ImageHandle,
|
|
__attribute__((unused)) EFI_SYSTEM_TABLE *SystemTable) {
|
|
// Invalid return address of 0 to end stacktraces here
|
|
asm (
|
|
"pushq $0\n\t"
|
|
"pushq $0\n\t"
|
|
"xorl %eax, %eax\n\t"
|
|
"jmp uefi_entry\n\t"
|
|
);
|
|
}
|
|
|
|
__attribute__((noreturn))
|
|
void uefi_entry(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
|
|
gST = SystemTable;
|
|
gBS = SystemTable->BootServices;
|
|
gRT = SystemTable->RuntimeServices;
|
|
efi_image_handle = ImageHandle;
|
|
|
|
EFI_STATUS status;
|
|
|
|
init_memmap();
|
|
|
|
term_vbe(0, 0);
|
|
early_term = true;
|
|
|
|
print("Limine " LIMINE_VERSION "\n\n");
|
|
|
|
disk_create_index();
|
|
|
|
EFI_HANDLE current_handle = ImageHandle;
|
|
for (;;) {
|
|
EFI_GUID loaded_img_prot_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
|
|
EFI_LOADED_IMAGE_PROTOCOL *loaded_image = NULL;
|
|
|
|
status = uefi_call_wrapper(gBS->HandleProtocol, 3,
|
|
current_handle, &loaded_img_prot_guid,
|
|
&loaded_image);
|
|
|
|
if (status) {
|
|
panic("HandleProtocol failure (%x)", status);
|
|
}
|
|
|
|
boot_volume = disk_volume_from_efi_handle(loaded_image->DeviceHandle);
|
|
|
|
if (boot_volume != NULL)
|
|
stage3_common();
|
|
|
|
current_handle = loaded_image->ParentHandle;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined (bios)
|
|
__attribute__((section(".stage3_build_id")))
|
|
uint64_t stage3_build_id = BUILD_ID;
|
|
|
|
__attribute__((section(".stage3_entry")))
|
|
#endif
|
|
__attribute__((noreturn))
|
|
void stage3_common(void) {
|
|
volume_iterate_parts(boot_volume,
|
|
if (!init_config_disk(_PART)) {
|
|
boot_volume = _PART;
|
|
break;
|
|
}
|
|
);
|
|
|
|
char *verbose_str = config_get_value(NULL, 0, "VERBOSE");
|
|
verbose = verbose_str != NULL && strcmp(verbose_str, "yes") == 0;
|
|
|
|
if (verbose) {
|
|
print("Boot drive: %x\n", boot_volume->index);
|
|
print("Boot partition: %d\n", boot_volume->partition);
|
|
}
|
|
|
|
char *cmdline;
|
|
char *config = menu(&cmdline);
|
|
|
|
char *proto = config_get_value(config, 0, "PROTOCOL");
|
|
if (proto == NULL) {
|
|
panic("PROTOCOL not specified");
|
|
}
|
|
|
|
if (!strcmp(proto, "stivale")) {
|
|
stivale_load(config, cmdline);
|
|
} else if (!strcmp(proto, "stivale2")) {
|
|
#if defined (bios)
|
|
void *efi_system_table = NULL;
|
|
#elif defined (uefi)
|
|
void *efi_system_table = gST;
|
|
#endif
|
|
|
|
stivale2_load(config, cmdline, boot_volume->pxe, efi_system_table);
|
|
} else if (!strcmp(proto, "linux")) {
|
|
linux_load(config, cmdline);
|
|
} else if (!strcmp(proto, "chainload")) {
|
|
chainload(config);
|
|
} else if (!strcmp(proto, "multiboot1") || !strcmp(proto, "multiboot")) {
|
|
multiboot1_load(config, cmdline);
|
|
}
|
|
|
|
panic("Invalid protocol specified");
|
|
}
|