setos

commit 23bdb4c066eba2c9a1465713b009615bd2ce2359
parent 261bb7c373f6c1b38130f6d30211654470bca313
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Fri, 29 Mar 2024 15:41:12 +0900

draw write screen

Diffstat:
M
loader.c
 | 
5
++++-
M
uefi.h
 | 
9
+++++++++

2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/loader.c b/loader.c
@@ -45,7 +45,10 @@ EfiMain(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *systab)
 		efi_printf("open_gop: %d\n", stat);
 		return stat;
 	}
-	efi_printf("gop open\n");
+	UINT8 *frame_buffer = (UINT8 *)gop->Mode->FrameBufferBase;
+	for (UINTN i = 0; i < gop->Mode->FrameBufferSize; i++) {
+		frame_buffer[i] = 0xFF;
+	}
 
 	EFI_FILE_PROTOCOL *root, *kernel;
 	stat = open_root(ImageHandle, &root);
diff --git a/uefi.h b/uefi.h
@@ -115,6 +115,15 @@ typedef struct {
 typedef struct _EFI_GRAPHICS_OUTPUT_PROTOCOL EFI_GRAPHICS_OUTPUT_PROTOCOL;
 
 typedef struct {
+} EFI_GRAPHICS_OUTPUT_MODE_INFORMATION;
+
+typedef struct {
+	UINT32                               MaxMode;
+	UINT32                               Mode;
+	EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+	UINTN                                SizeOfInfo;
+	EFI_PHYSICAL_ADDRESS                 FrameBufferBase;
+	UINTN                                FrameBufferSize;
 } EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE;
 
 typedef