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Rule for ejudge.sh; fix declaration of video_memory.

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This commit is contained in:
Alexander Myltsev 2023-01-14 12:12:26 +04:00
parent 6e5222e2e3
commit 57704ff8dd
3 changed files with 7 additions and 1 deletions
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4
Makefile
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@ -17,6 +17,10 @@ run: image.bin
run-nox: image.bin run-nox: image.bin
qemu-system-i386 -nographic -drive format=raw,file=$< -serial mon:stdio qemu-system-i386 -nographic -drive format=raw,file=$< -serial mon:stdio
ejudge.sh: image.bin
echo >$@ "#!/bin/sh\nexec qemu-system-i386 -nographic -drive format=raw,file=$< -serial mon:stdio"
chmod +x $@
debug-boot-nox: image.bin mbr.elf debug-boot-nox: image.bin mbr.elf
qemu-system-i386 -nographic -drive format=raw,file=$< -s -S & qemu-system-i386 -nographic -drive format=raw,file=$< -s -S &
$(GDB) mbr.elf \ $(GDB) mbr.elf \

2
drivers/vga.c
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@ -1,6 +1,8 @@
#include "port.h" #include "port.h"
#include "vga.h" #include "vga.h"
char* const video_memory = (char*) 0xb8000;
static unsigned char get_color(unsigned char fg, unsigned char bg) { static unsigned char get_color(unsigned char fg, unsigned char bg) {
return (bg << 4) + fg; return (bg << 4) + fg;
} }

2
drivers/vga.h
View File

@ -1,6 +1,6 @@
#pragma once #pragma once
static char* const video_memory = (char*) 0xb8000; extern char* const video_memory;
enum { enum {
ROWS = 25, ROWS = 25,