WarlockFish/30dayMakeOS
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Yourtion
2014-09-12 16:29:18 +08:00
parent d946717923
commit 362a753c51
4 changed files with 80 additions and 115 deletions
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63
06_day/bootpack.c
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@@ -1,74 +1,17 @@
/* bootpack */
#include "bootpack.h"
#include <stdio.h>
void io_hlt(void);
void io_cli(void);
void io_out8(int port, int data);
int io_load_eflags(void);
void io_store_eflags(int eflags);
void init_palette(void);
void set_palette(int start, int end, unsigned char *rgb);
void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1);
void init_screen8(char *vram, int x, int y);
void putfont8(char *vram, int xsize, int x, int y, char c, char *font);
void putfonts8_asc(char *vram, int xsize, int x, int y, char c, unsigned char *s);
void init_mouse_cursor8(char *mouse, char bc);
void putblock8_8(char *vram, int vxsize, int pxsize,
int pysize, int px0, int py0, char *buf, int bxsize);
#define COL8_000000 0
#define COL8_FF0000 1
#define COL8_00FF00 2
#define COL8_FFFF00 3
#define COL8_0000FF 4
#define COL8_FF00FF 5
#define COL8_00FFFF 6
#define COL8_FFFFFF 7
#define COL8_C6C6C6 8
#define COL8_840000 9
#define COL8_008400 10
#define COL8_848400 11
#define COL8_000084 12
#define COL8_840084 13
#define COL8_008484 14
#define COL8_848484 15
struct BOOTINFO {
char cyls, leds, vmode, reserve;
short scrnx, scrny;
char *vram;
};
struct SEGMENT_DESCRIPTOR {
short limit_low, base_low;
char base_mid, access_right;
char limit_high, base_high;
};
struct GATE_DESCRIPTOR {
short offset_low, selector;
char dw_count, access_right;
short offset_high;
};
void init_gdtidt(void);
void set_segmdesc(struct SEGMENT_DESCRIPTOR *sd, unsigned int limit, int base, int ar);
void set_gatedesc(struct GATE_DESCRIPTOR *gd, int offset, int selector, int ar);
void load_gdtr(int limit, int addr);
void load_idtr(int limit, int addr);
void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) 0x0ff0;
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
char s[40], mcursor[256];
int mx, my;
init_gdtidt();
init_palette();
init_screen8(binfo->vram, binfo->scrnx, binfo->scrny);
mx = (binfo->scrnx - 16) / 2; /* 计算画面的中心坐标*/
my = (binfo->scrny - 28 - 16) / 2;
init_mouse_cursor8(mcursor, COL8_008484);
@@ -79,4 +22,4 @@ void HariMain(void)
for (;;) {
io_hlt();
}
}
}