forked from backup/30dayMakeOS
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/* bootpackのメイン */
|
||
|
||
#include "bootpack.h"
|
||
#include <stdio.h>
|
||
|
||
extern struct FIFO8 keyfifo, mousefifo;
|
||
void enable_mouse(void);
|
||
void init_keyboard(void);
|
||
|
||
void HariMain(void)
|
||
{
|
||
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
|
||
char s[40], mcursor[256], keybuf[32], mousebuf[128];
|
||
int mx, my, i;
|
||
|
||
init_gdtidt();
|
||
init_pic();
|
||
io_sti(); /* IDT/PICの初期化が終わったのでCPUの割り込み禁止を解除 */
|
||
|
||
fifo8_init(&keyfifo, 32, keybuf);
|
||
fifo8_init(&mousefifo, 128, mousebuf);
|
||
io_out8(PIC0_IMR, 0xf9); /* PIC1とキーボードを許可(11111001) */
|
||
io_out8(PIC1_IMR, 0xef); /* マウスを許可(11101111) */
|
||
|
||
init_keyboard();
|
||
|
||
init_palette();
|
||
init_screen8(binfo->vram, binfo->scrnx, binfo->scrny);
|
||
mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */
|
||
my = (binfo->scrny - 28 - 16) / 2;
|
||
init_mouse_cursor8(mcursor, COL8_008484);
|
||
putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16);
|
||
sprintf(s, "(%d, %d)", mx, my);
|
||
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
|
||
|
||
enable_mouse();
|
||
|
||
for (;;) {
|
||
io_cli();
|
||
if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) {
|
||
io_stihlt();
|
||
} else {
|
||
if (fifo8_status(&keyfifo) != 0) {
|
||
i = fifo8_get(&keyfifo);
|
||
io_sti();
|
||
sprintf(s, "%02X", i);
|
||
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31);
|
||
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
|
||
} else if (fifo8_status(&mousefifo) != 0) {
|
||
i = fifo8_get(&mousefifo);
|
||
io_sti();
|
||
sprintf(s, "%02X", i);
|
||
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 47, 31);
|
||
putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
#define PORT_KEYDAT 0x0060
|
||
#define PORT_KEYSTA 0x0064
|
||
#define PORT_KEYCMD 0x0064
|
||
#define KEYSTA_SEND_NOTREADY 0x02
|
||
#define KEYCMD_WRITE_MODE 0x60
|
||
#define KBC_MODE 0x47
|
||
|
||
void wait_KBC_sendready(void)
|
||
{
|
||
/* 等待键盘控制电路准备完毕 */
|
||
for (;;) {
|
||
if ((io_in8(PORT_KEYSTA) & KEYSTA_SEND_NOTREADY) == 0) {
|
||
break;
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
|
||
void init_keyboard(void)
|
||
{
|
||
/* 初始化键盘控制电路 */
|
||
wait_KBC_sendready();
|
||
io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE);
|
||
wait_KBC_sendready();
|
||
io_out8(PORT_KEYDAT, KBC_MODE);
|
||
return;
|
||
}
|
||
|
||
#define KEYCMD_SENDTO_MOUSE 0xd4
|
||
#define MOUSECMD_ENABLE 0xf4
|
||
|
||
void enable_mouse(void)
|
||
{
|
||
/* 激活鼠标 */
|
||
wait_KBC_sendready();
|
||
io_out8(PORT_KEYCMD, KEYCMD_SENDTO_MOUSE);
|
||
wait_KBC_sendready();
|
||
io_out8(PORT_KEYDAT, MOUSECMD_ENABLE);
|
||
return; /* 顺利的话，键盘控制器会返回ACK(0xfa) */
|
||
} |