rulimine/stage2/main.c
2020-10-18 06:23:39 +02:00

81 lines
1.9 KiB
C

#include <limine.h>
#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 <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>
void entry(uint8_t _boot_drive) {
boot_drive = _boot_drive;
mtrr_save();
term_textmode();
print("Limine " LIMINE_VERSION "\n\n");
if (!a20_enable())
panic("Could not enable A20 line");
print("Boot drive: %x\n", boot_drive);
part_create_index();
// Look for config file.
print("Searching for config file...\n");
struct part parts[4];
for (int i = 0; ; i++) {
if (i == 4) {
panic("Config file not found.");
}
print("Checking partition %d...\n", i);
int ret = get_part(&parts[i], boot_drive, i);
if (ret) {
print("Partition not found.\n");
} else {
print("Partition found.\n");
if (!init_config(boot_drive, i)) {
print("Config file found and loaded.\n");
break;
}
}
}
init_e820();
init_memmap();
char *cmdline = menu(boot_drive);
char proto[32];
if (!config_get_value(proto, 0, 32, "KERNEL_PROTO")) {
if (!config_get_value(proto, 0, 32, "PROTOCOL")) {
panic("PROTOCOL not specified");
}
}
if (!strcmp(proto, "stivale")) {
stivale_load(cmdline);
} else if (!strcmp(proto, "stivale2")) {
stivale2_load(cmdline);
} else if (!strcmp(proto, "linux")) {
linux_load(cmdline);
} else if (!strcmp(proto, "chainload")) {
chainload();
} else {
panic("Invalid protocol specified");
}
}