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🔧 更改为使用bochs虚拟机（qemu暂时没法正常显示画面）

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This commit is contained in:
fslongjin
2022-01-21 22:04:24 +08:00
parent f479f32102
commit 3d37bf9c3a
5 changed files with 119 additions and 6 deletions
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35
kernel/main.c
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@ -1,8 +1,41 @@
//
// Created by longjin on 2022/1/20.
//
int *address = (int *)0xffff800000a00000; //帧缓存区的地址
void show_color_band(int width, int height, char a, char b, char c, char d)
{
/** 向帧缓冲区写入像素值
* @param address: 帧缓存区的地址
* @param val:像素值
*/
for (int i = 0; i < width * height; ++i)
{
*((char *)address + 0) = d;
*((char *)address + 1) = c;
*((char *)address + 2) = b;
*((char *)address + 3) = a;
++address;
}
}
//操作系统内核从这里开始执行
void Start_Kernel(void)
{
while(1);
show_color_band(1440, 20, 0x00, 0xff, 0x00, 0x00);
show_color_band(1440, 20, 0x00, 0x00, 0xff, 0x00);
show_color_band(1440, 20, 0x00, 0x00, 0x00, 0xff);
show_color_band(1440, 20, 0x00, 0xff, 0xff, 0xff);
while (1)
;
}