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#include <loader/efi/shim.h>
#include <kernel/memory/range.h>
#include <stdbool.h>
#include "../lib/elf.h"
struct efi_memory_map
{
struct memory_range buffer;
UINTN size;
UINTN key;
UINTN descsize;
UINT32 descver;
};
struct efi_video_data
{
struct memory_range buffer;
UINT32 width;
UINT32 height;
UINT32 pitch;
EFI_GRAPHICS_PIXEL_FORMAT format;
EFI_PIXEL_BITMASK mask;
};
struct efi_boot_data
{
struct efi_memory_map memory_map;
struct efi_video_data video_data;
void *acpi_rsdp;
unsigned long acpi_version;
};
struct efi_loader_image kernel_image =
{
.path = L"\\adasoft\\sophia\\kernel.os"
};
static struct efi_loader_image *shim_image;
static struct efi_boot_data boot_data;
EFI_STATUS efi_shim_entry(struct efi_loader_image *image,
struct efi_loader_interface *interface)
{
/* 1. load kernel and boot modules into memory
* 2. generate page tables for kernel and boot modules
* 2. gather boot data, store as type SystemMemoryType
* 3. exit boot services
* 5. ???????????
*/
EFI_STATUS status;
if (!image)
{
return EFI_INVALID_PARAMETER;
}
else if (!shim_image)
{
shim_image = image;
kernel_image.image_handle = shim_image->image_handle;
}
else
{
return EFI_ALREADY_STARTED;
}
if (!EFI_ERROR((status = interface->image_open(&kernel_image))) &&
!EFI_ERROR((status = interface->image_alloc(&kernel_image))) &&
!EFI_ERROR((status = interface->image_load(&kernel_image))))
{
(void)boot_data;
}
__asm__ volatile (
"cli\n\t"
"hlt\n\t"
);
return status;
}
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