rulimine/stage23/entry.s3.c

117 lines
2.8 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 <mm/mtrr.h>
#include <protos/stivale.h>
#include <protos/stivale2.h>
#include <protos/linux.h>
#include <protos/chainload.h>
#include <menu.h>
#include <pxe/pxe.h>
#include <pxe/tftp.h>
#include <drivers/disk.h>
void stage3_common(void);
#if defined (uefi)
EFI_STATUS EFIAPI efi_main(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
gST = SystemTable;
gBS = SystemTable->BootServices;
gRT = SystemTable->RuntimeServices;
efi_image_handle = ImageHandle;
init_memmap();
uint32_t colourscheme[] = {
0x00000000, // black
0x00aa0000, // red
0x0000aa00, // green
0x00aa5500, // brown
0x000000aa, // blue
0x00aa00aa, // magenta
0x0000aaaa, // cyan
0x00aaaaaa // grey
};
term_vbe(colourscheme, 64, 0, NULL);
print("Limine " LIMINE_VERSION "\n\n", print);
disk_create_index();
EFI_GUID loaded_img_prot_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
EFI_LOADED_IMAGE_PROTOCOL *loaded_image = NULL;
uefi_call_wrapper(gBS->HandleProtocol, 3, ImageHandle, &loaded_img_prot_guid,
&loaded_image);
boot_volume = disk_volume_from_efi_handle(loaded_image->DeviceHandle);
if (boot_volume == NULL) {
panic("Can't determine boot disk");
}
stage3_common();
}
#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) {
bool got_config = false;
volume_iterate_parts(boot_volume,
if (!init_config_disk(_PART)) {
print("Config file found and loaded.\n");
boot_volume = _PART;
got_config = true;
break;
}
);
if (!got_config)
panic("Config file not found.");
print("Boot drive: %x\n", boot_volume->drive);
print("Boot partition: %d\n", boot_volume->partition);
mtrr_save();
char *cmdline;
char *config = menu(&cmdline);
char *proto = config_get_value(config, 0, "PROTOCOL");
if (proto == NULL) {
panic("PROTOCOL not specified");
}
if (0) {
} else if (!strcmp(proto, "stivale")) {
stivale_load(config, cmdline);
} else if (!strcmp(proto, "stivale2")) {
stivale2_load(config, cmdline, false /*booted_from_pxe*/);
#if defined (bios)
} else if (!strcmp(proto, "linux")) {
linux_load(config, cmdline);
} else if (!strcmp(proto, "chainload")) {
chainload(config);
#endif
}
panic("Invalid protocol specified");
}