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Updated limine.h & added bootloader.executable

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Tom-on
2026-03-22 14:24:31 +01:00
parent 93ef197e58
commit 9c66d7228a
5 changed files with 118 additions and 280 deletions
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kernel/src/bootloader.c
+18 -10
View File
@@ -5,41 +5,49 @@
/*
* This defines our expected Limine version
*/
static volatile LIMINE_BASE_REVISION(4);
static volatile uint64_t lim_base_revision[] = LIMINE_BASE_REVISION(4);
struct bootloader bootloader = { 0 };
static struct limine_paging_mode_request lim_paging_req =
{ .id = LIMINE_PAGING_MODE_REQUEST, .revision = 4,
{ .id = LIMINE_PAGING_MODE_REQUEST_ID, .revision = 4,
.mode = LIMINE_PAGING_MODE_X86_64_4LVL, };
static struct limine_kernel_address_request lim_kaddr_req =
{ .id = LIMINE_KERNEL_ADDRESS_REQUEST, .revision = 4 };
static struct limine_executable_address_request lim_kaddr_req =
{ .id = LIMINE_EXECUTABLE_ADDRESS_REQUEST_ID, .revision = 4 };
static struct limine_hhdm_request lim_hhdm_req =
{ .id = LIMINE_HHDM_REQUEST, .revision = 4 };
{ .id = LIMINE_HHDM_REQUEST_ID, .revision = 4 };
static struct limine_memmap_request lim_memmap_req =
{ .id = LIMINE_MEMMAP_REQUEST, .revision = 4 };
{ .id = LIMINE_MEMMAP_REQUEST_ID, .revision = 4 };
static struct limine_framebuffer_request lim_fbuf_req =
{ .id = LIMINE_FRAMEBUFFER_REQUEST, .revision = 0 };
{ .id = LIMINE_FRAMEBUFFER_REQUEST_ID, .revision = 4 };
static struct limine_executable_file_request lim_exe_req =
{ .id = LIMINE_EXECUTABLE_FILE_REQUEST_ID, .revision = 4 };
int boot_init(void) {
if (LIMINE_BASE_REVISION_SUPPORTED == false) panic("Unsupported Limine base revision.");
if (LIMINE_BASE_REVISION_SUPPORTED(lim_base_revision) == false) panic("Unsupported Limine base revision.");
struct limine_paging_mode_response* lim_paging_res = lim_paging_req.response;
struct limine_kernel_address_response* lim_kaddr_res = lim_kaddr_req.response;
struct limine_executable_address_response* lim_kaddr_res = lim_kaddr_req.response;
struct limine_hhdm_response* lim_hhdm_res = lim_hhdm_req.response;
struct limine_memmap_response* lim_memmap_res = lim_memmap_req.response;
struct limine_framebuffer_response* lim_fbuf_res = lim_fbuf_req.response;
struct limine_executable_file_response* lim_exe_res = lim_exe_req.response;
if (lim_paging_res->mode != LIMINE_PAGING_MODE_X86_64_4LVL) return 1;
if (lim_paging_res->mode != LIMINE_PAGING_MODE_X86_64_4LVL) {
debugf("[boot] Expected 4 level paging.\n");
return 1;
}
bootloader.hhdm_offset = lim_hhdm_res->offset;
bootloader.kernel_phys_base = lim_kaddr_res->physical_base;
bootloader.kernel_virt_base = lim_kaddr_res->virtual_base;
bootloader.mm_entries = lim_memmap_res->entries;
bootloader.mm_entry_count = lim_memmap_res->entry_count;
bootloader.executable = lim_exe_res->executable_file;
bootloader.mm_total_memory = 0;
for (size_t i = 0; i < bootloader.mm_entry_count; i++) {
kernel/src/kernel.c
+4 -1
View File
@@ -34,7 +34,10 @@ void _start(void) {
// Memory management
if (pmm_init() != 0) panic("Failed to initalize Physical Memory Manager.");
if (pag_init() != 0) panic("Failed to initalize Paging.");
void* paddr = pmm_alloc();
pmm_free(paddr);
//if (pag_init() != 0) panic("Failed to initalize Paging.");
//if (kmalloc_init() != 0) panic("Failed to initialize kernel heap.");
// Tasking