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feat: panic, printf, logo and something i dont remember

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This commit is contained in:
Karina
2025-12-21 16:59:33 +04:00
parent 1977e5b02b
commit 30b786c891
15 changed files with 2790 additions and 24 deletions
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bootloader/src/main.c
+23 -11
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@@ -58,13 +58,12 @@ int main()
status = gBS->AllocatePool(EfiLoaderData, sizeof(Bootinfo), (void**)&boot_info);
boot_info->base = (uintn_t*)gop->Mode->FrameBufferBase;
boot_info->base_size = gop->Mode->FrameBufferSize;
boot_info->height = gop->Mode->Information->VerticalResolution;
boot_info->width = gop->Mode->Information->HorizontalResolution;
boot_info->pitch = gop->Mode->Information->PixelsPerScanLine;
boot_info->framebuffer.base = (uintn_t*)gop->Mode->FrameBufferBase;
boot_info->framebuffer.base_size = gop->Mode->FrameBufferSize;
boot_info->framebuffer.height = gop->Mode->Information->VerticalResolution;
boot_info->framebuffer.width = gop->Mode->Information->HorizontalResolution;
boot_info->framebuffer.pitch = gop->Mode->Information->PixelsPerScanLine;
// woah letsgoo
uintn_t map_size = 0;
efi_memory_descriptor_t *map = NULL;
uintn_t map_key;
@@ -75,17 +74,30 @@ int main()
gBS->GetMemoryMap(&map_size, NULL, &map_key, &desc_size, &desc_version);
map_size += 4096;
gBS->AllocatePool(EfiLoaderData, map_size, (void**)&map);
status = gBS->ExitBootServices(IM, map_key);
// woah letsgoo
status = gBS->AllocatePool(EfiLoaderData, map_size, (void**)&map);
if (EFI_ERROR(status)) {
ST->ConOut->OutputString(ST->ConOut, L"Failed to allocate pool");
}
do {
status = gBS->GetMemoryMap(&map_size, map, &map_key, &desc_size, &desc_version);
if (EFI_ERROR(status)) {
break;
}
boot_info->mem.descriptor_size = desc_size;
boot_info->mem.descriptor_version = desc_version;
boot_info->mem.map_size = map_size;
boot_info->mem.map_key = map_key;
boot_info->mem.map = map;
while (EFI_ERROR(status)) {
gBS->GetMemoryMap(&map_size, map, &map_key, &desc_size, &desc_version);
status = gBS->ExitBootServices(IM, map_key);
if (status == EFI_SUCCESS) {
break; // FUCK OFF;
}
map_size += 2 * desc_size;
}
} while (EFI_ERROR(status));
typedef void (__attribute__((sysv_abi)) *kentry)(Bootinfo*);
kentry kmain = (kentry)kernel_addr;