Add support for loaded image protocol.

Signed-off-by: Slendi <slendi@socopon.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/efi_loaded_image.odin b/efi_loaded_image.odin
new file mode 100644
index 0000000..b074e58
--- /dev/null
+++ b/efi_loaded_image.odin
@@ -0,0 +1,74 @@
+package main
+
+EFI_LOADED_IMAGE_PROTOCOL_GUID: GUID : {
+	0x5B1B31A1,
+	0x9562,
+	0x11d2,
+	{0x8E, 0x3F, 0x00, 0xA0, 0xC9, 0x69, 0x72, 0x3B},
+}
+EFI_LOADED_IMAGE_PROTOCOL_REVISION :: 0x1000
+
+// Unloads an image from memory.
+//
+// Inputs:
+// - image_handle: The handle to the image to unload. Type EFI_HANDLE Driver
+//   Model Boot Services
+EfiImageUnload :: proc "c" (image_handle: EfiHandle)
+
+// Can be used on any image handle to obtain information about the loaded
+// image.
+EfiLoadedImageProtocol :: struct {
+	// Defines the revision of the EFI_LOADED_IMAGE_PROTOCOL structure. All
+	// future revisions will be backward compatible to the current revision.
+	revision:          u32,
+	// Parent image’s image handle. NULL if the image is loaded directly from the
+	// firmware’s boot manager. Type EFI_HANDLE is defined in Services – Boot
+	// Services.
+	parent_handle:     EfiHandle,
+	// The image’s EFI system table pointer. Type EFI_SYSTEM_TABLE defined in EFI
+	// System Table.
+	system_table:      ^EfiSystemTable,
+
+	// Source location of the image
+	//
+	// The device handle that the EFI Image was loaded from. Type EFI_HANDLE is
+	// defined in Services – Boot Services.
+	device_handle:     EfiHandle,
+	// A pointer to the file path portion specific to DeviceHandle that the EFI
+	// Image was loaded from. EFI_DEVICE_PATH_PROTOCOL is defined in EFI Device
+	// Path Protocol .
+	file_path:         ^EfiDevicePathProtocol,
+	// Reserved. DO NOT USE.
+	reserved:          rawptr,
+
+	// Image’s load options
+	//
+	// The size in bytes of LoadOptions.
+	load_options_size: u32,
+	// A pointer to the image’s binary load options. See the OptionalData
+	// parameter in the Load Options section of the Boot Manager chapter for
+	// information on the source of the LoadOptions data.
+	load_options:      rawptr,
+
+	// Location where image was loaded
+	//
+	// The base address at which the image was loaded.
+	image_base:        rawptr,
+	// The size in bytes of the loaded image.
+	image_size:        u64,
+	// The memory type that the code sections were loaded as. Type
+	// EFI_MEMORY_TYPE is defined in Services – Boot Services.
+	image_code_type:   EfiMemoryType,
+	// The memory type that the data sections were loaded as. Type
+	// EFI_MEMORY_TYPE is defined in in Services – Boot Services.
+	image_data_type:   EfiMemoryType,
+	// Function that unloads the image
+	unload:            EfiImageUnload,
+}
+
+EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID: GUID : {
+	0xbc62157e,
+	0x3e33,
+	0x4fec,
+	{0x99, 0x20, 0x2d, 0x3b, 0x36, 0xd7, 0x50, 0xdf},
+}