70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
#include <system.h>
|
|
#include <multiboot.h>
|
|
|
|
char * ramdisk = NULL;
|
|
struct multiboot * mboot_ptr = NULL;
|
|
|
|
struct multiboot *
|
|
copy_multiboot(
|
|
struct multiboot *mboot_ptr
|
|
) {
|
|
struct multiboot *new_header = (struct multiboot *)kmalloc(sizeof(struct multiboot));
|
|
memcpy(new_header, mboot_ptr, sizeof(struct multiboot));
|
|
return new_header;
|
|
}
|
|
|
|
void
|
|
dump_multiboot(
|
|
struct multiboot *mboot_ptr
|
|
) {
|
|
kprintf("MULTIBOOT header at 0x%x:\n", (uintptr_t)mboot_ptr);
|
|
kprintf("Flags : 0x%x ", mboot_ptr->flags);
|
|
kprintf("Mem Lo: 0x%x ", mboot_ptr->mem_lower);
|
|
kprintf("Mem Hi: 0x%x ", mboot_ptr->mem_upper);
|
|
kprintf("Boot d: 0x%x\n", mboot_ptr->boot_device);
|
|
kprintf("cmdlin: 0x%x ", mboot_ptr->cmdline);
|
|
kprintf("Mods : 0x%x ", mboot_ptr->mods_count);
|
|
kprintf("Addr : 0x%x ", mboot_ptr->mods_addr);
|
|
kprintf("Syms : 0x%x\n", mboot_ptr->num);
|
|
kprintf("Syms : 0x%x ", mboot_ptr->size);
|
|
kprintf("Syms : 0x%x ", mboot_ptr->addr);
|
|
kprintf("Syms : 0x%x ", mboot_ptr->shndx);
|
|
kprintf("MMap : 0x%x\n", mboot_ptr->mmap_length);
|
|
kprintf("Addr : 0x%x ", mboot_ptr->mmap_addr);
|
|
kprintf("Drives: 0x%x ", mboot_ptr->drives_length);
|
|
kprintf("Addr : 0x%x ", mboot_ptr->drives_addr);
|
|
kprintf("Config: 0x%x\n", mboot_ptr->config_table);
|
|
kprintf("Loader: 0x%x ", mboot_ptr->boot_loader_name);
|
|
kprintf("APM : 0x%x ", mboot_ptr->apm_table);
|
|
kprintf("VBE Co: 0x%x ", mboot_ptr->vbe_control_info);
|
|
kprintf("VBE Mo: 0x%x\n", mboot_ptr->vbe_mode_info);
|
|
kprintf("VBE In: 0x%x ", mboot_ptr->vbe_mode);
|
|
kprintf("VBE se: 0x%x ", mboot_ptr->vbe_interface_seg);
|
|
kprintf("VBE of: 0x%x ", mboot_ptr->vbe_interface_off);
|
|
kprintf("VBE le: 0x%x\n", mboot_ptr->vbe_interface_len);
|
|
if (mboot_ptr->flags & (1 << 2)) {
|
|
kprintf("Started with: %s\n", (char *)mboot_ptr->cmdline);
|
|
}
|
|
if (mboot_ptr->flags & (1 << 9)) {
|
|
kprintf("Booted from: %s\n", (char *)mboot_ptr->boot_loader_name);
|
|
}
|
|
if (mboot_ptr->flags & (1 << 0)) {
|
|
kprintf("%dkB lower memory\n", mboot_ptr->mem_lower);
|
|
kprintf("%dkB higher memory ", mboot_ptr->mem_upper);
|
|
int mem_mb = mboot_ptr->mem_upper / 1024;
|
|
kprintf("(%dMB)\n", mem_mb);
|
|
}
|
|
if (mboot_ptr->flags & (1 << 3)) {
|
|
kprintf("Found %d module(s).\n", mboot_ptr->mods_count);
|
|
if (mboot_ptr->mods_count > 0) {
|
|
uint32_t i;
|
|
for (i = 0; i < mboot_ptr->mods_count; ++i ) {
|
|
uint32_t module_start = *((uint32_t*)mboot_ptr->mods_addr + 8 * i);
|
|
uint32_t module_end = *(uint32_t*)(mboot_ptr->mods_addr + 8 * i + 4);
|
|
kprintf("Module %d is at 0x%x:0x%x\n", i+1, module_start, module_end);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|