setos

commit 42f5e1aec1bc9e706ecf341485f5dc68ba5c5bdc
parent ab03c3e52af66a7d0d94ec49596ee361ed15fbfe
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Sat, 30 Mar 2024 12:46:10 +0900

download OVMF.fd from sourceforge.net

Diffstat:
M
Makefile
 | 
12
++++++++----
M
loader.c
 | 
6
+++---

2 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/Makefile b/Makefile
@@ -31,20 +31,24 @@ loader.efi: loader.dll
 kernel.elf: kernel.o kernel.ld
 	ld $(KERN_LDFLAGS) -T kernel.ld -o $@ $<
 
-run: disk.img
+run: disk.img OVMF.fd
 	qemu-system-x86_64 \
-		-bios /usr/share/edk2/x64/OVMF.fd \
+		-bios OVMF.fd \
 		-drive format=raw,file=disk.img \
 
-gdb: disk.img
+gdb: disk.img OVMF.fd
 	qemu-system-x86_64 \
 		-bios /usr/share/edk2/x64/OVMF.fd \
 		-drive format=raw,file=disk.img \
 		-gdb tcp::1234 -S
 
+OVMF.fd:
+	curl -OL https://downloads.sourceforge.net/project/edk2/OVMF/OVMF-X64-r15214.zip
+	unzip OVMF-X64-r15214.zip OVMF.fd
+
 test: test/* $(SRC) $(HDR)
 	(cd test && make)
 
 clean:
-	rm -rf *.o *.efi *.elf *.dll disk.img image
+	rm -rf *.o *.efi *.elf *.dll disk.img image OVMF*
 	(cd test && make clean)
diff --git a/loader.c b/loader.c
@@ -45,9 +45,9 @@ EfiMain(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *systab)
 		efi_printf("open_gop: %d\n", stat);
 		return stat;
 	}
-	UINT8 *frame_buffer = (UINT8 *)gop->Mode->FrameBufferBase;
-	for (UINTN i = 0; i < gop->Mode->FrameBufferSize; i++) {
-		frame_buffer[i] = 0xFF;
+	UINT32 *frame_buffer = (UINT32 *)gop->Mode->FrameBufferBase;
+	for (UINTN i = 0; i < gop->Mode->FrameBufferSize/4; i++) {
+		frame_buffer[i] = 0x427f94;
 	}
 	efi_printf("frame buffer: base: %x, size: %x\n", frame_buffer,
 		gop->Mode->FrameBufferSize);