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Added <errno.h> and made kernel use it

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This commit is contained in:
Tom-on
2026-03-25 18:17:42 +01:00
parent 7a57999d05
commit 2f05396651
15 changed files with 189 additions and 135 deletions
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kernel/src/bootloader.c
+8 -10
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@@ -1,14 +1,12 @@
#include <bootloader.h>
#include <kernel.h>
#include <limine.h>
#include <errno.h>
/*
* This defines our expected Limine version
*/
// This defines our expected Limine version
static volatile uint64_t lim_base_revision[] = LIMINE_BASE_REVISION(4);
struct bootloader bootloader = { 0 };
// Limine requests
static struct limine_paging_mode_request lim_paging_req =
{ .id = LIMINE_PAGING_MODE_REQUEST_ID, .revision = 4,
.mode = LIMINE_PAGING_MODE_X86_64_4LVL, };
@@ -28,6 +26,9 @@ static struct limine_framebuffer_request lim_fbuf_req =
static struct limine_executable_file_request lim_exe_req =
{ .id = LIMINE_EXECUTABLE_FILE_REQUEST_ID, .revision = 4 };
// Bootloader data struct
struct bootloader bootloader = { 0 };
int boot_init(void) {
if (LIMINE_BASE_REVISION_SUPPORTED(lim_base_revision) == false) panic("Unsupported Limine base revision.");
@@ -38,10 +39,7 @@ int boot_init(void) {
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) {
debugf("[boot] Expected 4 level paging.\n");
return 1;
}
if (lim_paging_res->mode != LIMINE_PAGING_MODE_X86_64_4LVL) panic("Expected 4 level paging.");
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;
@@ -58,6 +56,6 @@ int boot_init(void) {
bootloader.fb_entries = lim_fbuf_res->framebuffers;
bootloader.fb_entry_count = lim_fbuf_res->framebuffer_count;
return 0;
return SUCCESS;
}