backup/30dayMakeOS
1
0
Fork 1
mirror of https://github.com/yourtion/30dayMakeOS.git synced 2026-02-03 01:53:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

源文件整理

Browse Source
This commit is contained in:
Yourtion
2016-04-12 10:47:59 +08:00
parent 8af696896d
commit f52d4fef0f
6 changed files with 129 additions and 123 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
09_day/Makefile
View File

@@ -1,5 +1,5 @@
OBJS_BOOTPACK = bootpack.obj naskfunc.obj hankaku.obj graphic.obj dsctbl.obj \
int.obj fifo.obj
int.obj fifo.obj keyboard.obj mouse.obj
TOOLPATH = ../z_tools/
INCPATH = ../z_tools/haribote/
@@ -56,7 +56,7 @@ haribote.img : ipl10.bin haribote.sys Makefile
# 其他指令
%.gas : %.c Makefile
%.gas : %.c bootpack.h Makefile
$(CC1) -o $*.gas $*.c
%.nas : %.gas Makefile

93
09_day/bootpack.c
View File

@@ -3,17 +3,6 @@
#include "bootpack.h"
#include <stdio.h>
extern struct FIFO8 keyfifo, mousefifo;
struct MOUSE_DEC {
unsigned char buf[3], phase;
int x, y, btn;
};
void enable_mouse(struct MOUSE_DEC *mdec);
int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat);
void init_keyboard(void);
void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
@@ -97,85 +86,3 @@ void HariMain(void)
}
}
#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(struct MOUSE_DEC *mdec){
/* 鼠标有效 */
wait_KBC_sendready();
io_out8(PORT_KEYCMD, KEYCMD_SENDTO_MOUSE);
wait_KBC_sendready();
io_out8(PORT_KEYDAT, MOUSECMD_ENABLE);
/* 顺利的话，ACK(0xfa)会被送过来 */
mdec->phase = 0; /* 等待0xfa的阶段 */
return;
}
int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat){
if (mdec->phase == 0) {
/* 等待鼠标的0xfa的阶段 */
if (dat == 0xfa) {
mdec->phase = 1;
}
return 0;
}
if (mdec->phase == 1) {
/* 等待鼠标第一字节的阶段 */
mdec->buf[0] = dat;
mdec->phase = 2;
return 0;
}
if (mdec->phase == 2) {
/* 等待鼠标第二字节的阶段 */
mdec->buf[1] = dat;
mdec->phase = 3;
return 0;
}
if (mdec->phase == 3) {
/* 等待鼠标第二字节的阶段 */
mdec->buf[2] = dat;
mdec->phase = 1;
mdec->btn = mdec->buf[0] & 0x07;
mdec->x = mdec->buf[1];
mdec->y = mdec->buf[2];
if ((mdec->buf[0] & 0x10) != 0) {
mdec->x |= 0xffffff00;
}
if ((mdec->buf[0] & 0x20) != 0) {
mdec->y |= 0xffffff00;
}
/* 鼠标的y方向与画面符号相反 */
mdec->y = - mdec->y;
return 1;
}
/* 应该不可能到这里来 */
return -1;
}

20
09_day/bootpack.h
View File

@@ -85,9 +85,7 @@ void set_gatedesc(struct GATE_DESCRIPTOR *gd, int offset, int selector, int ar);
/* int.c */
void init_pic(void);
void inthandler21(int *esp);
void inthandler27(int *esp);
void inthandler2c(int *esp);
#define PIC0_ICW1 0x0020
#define PIC0_OCW2 0x0020
#define PIC0_IMR 0x0021
@@ -100,3 +98,21 @@ void inthandler2c(int *esp);
#define PIC1_ICW2 0x00a1
#define PIC1_ICW3 0x00a1
#define PIC1_ICW4 0x00a1
/* keyboard.c */
void inthandler21(int *esp);
void wait_KBC_sendready(void);
void init_keyboard(void);
extern struct FIFO8 keyfifo;
#define PORT_KEYDAT 0x0060
#define PORT_KEYCMD 0x0064
/* mouse.c */
struct MOUSE_DEC {
unsigned char buf[3], phase;
int x, y, btn;
};
void inthandler2c(int *esp);
void enable_mouse(struct MOUSE_DEC *mdec);
int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat);
extern struct FIFO8 mousefifo;

26
09_day/int.c
View File

@@ -26,32 +26,6 @@ void init_pic(void)
#define PORT_KEYDAT 0x0060
struct FIFO8 keyfifo;
void inthandler21(int *esp)
/* 来自PS/2键盘的中断 */
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
unsigned char data, s[4];
io_out8(PIC0_OCW2, 0x61); /* 通知PIC IRQ-01 已经受理完毕 */
data = io_in8(PORT_KEYDAT);
fifo8_put(&keyfifo, data);
return;
}
struct FIFO8 mousefifo;
void inthandler2c(int *esp)
/* 来自PS/2鼠标的中断 */
{
unsigned char data;
io_out8(PIC1_OCW2, 0x64); /* 通知PIC IRQ-12 已经受理完毕 */
io_out8(PIC0_OCW2, 0x62); /* 通知PIC IRQ-02 已经受理完毕 */
data = io_in8(PORT_KEYDAT);
fifo8_put(&mousefifo, data);
return;
}
void inthandler27(int *esp)
/* PIC0中断的不完整策略 */
/* 这个中断在Athlon64X2上通过芯片组提供的便利，只需执行一次 */

39
09_day/keyboard.c Normal file
View File

@@ -0,0 +1,39 @@
/* 键盘控制代码 */
#include "bootpack.h"
struct FIFO8 keyfifo;
void inthandler21(int *esp) {
/* 来自PS/2键盘的中断 */
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
unsigned char data, s[4];
io_out8(PIC0_OCW2, 0x61); /* 通知PIC IRQ-01 已经受理完毕 */
data = io_in8(PORT_KEYDAT);
fifo8_put(&keyfifo, data);
return;
}
#define PORT_KEYSTA 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;
}

70
09_day/mouse.c Normal file
View File

@@ -0,0 +1,70 @@
/* 鼠标控制代码 */
#include "bootpack.h"
struct FIFO8 mousefifo;
void inthandler2c(int *esp) {
/* 来自PS/2鼠标的中断 */
unsigned char data;
io_out8(PIC1_OCW2, 0x64); /* 通知PIC IRQ-12 已经受理完毕 */
io_out8(PIC0_OCW2, 0x62); /* 通知PIC IRQ-02 已经受理完毕 */
data = io_in8(PORT_KEYDAT);
fifo8_put(&mousefifo, data);
return;
}
#define KEYCMD_SENDTO_MOUSE 0xd4
#define MOUSECMD_ENABLE 0xf4
void enable_mouse(struct MOUSE_DEC *mdec) {
/* 鼠标有效 */
wait_KBC_sendready();
io_out8(PORT_KEYCMD, KEYCMD_SENDTO_MOUSE);
wait_KBC_sendready();
io_out8(PORT_KEYDAT, MOUSECMD_ENABLE);
/* 顺利的话，ACK(0xfa)会被送过来 */
mdec->phase = 0; /* 等待0xfa的阶段 */
return;
}
int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat) {
if (mdec->phase == 0) {
/* 等待鼠标的0xfa的阶段 */
if (dat == 0xfa) {
mdec->phase = 1;
}
return 0;
}
if (mdec->phase == 1) {
/* 等待鼠标第一字节的阶段 */
mdec->buf[0] = dat;
mdec->phase = 2;
return 0;
}
if (mdec->phase == 2) {
/* 等待鼠标第二字节的阶段 */
mdec->buf[1] = dat;
mdec->phase = 3;
return 0;
}
if (mdec->phase == 3) {
/* 等待鼠标第二字节的阶段 */
mdec->buf[2] = dat;
mdec->phase = 1;
mdec->btn = mdec->buf[0] & 0x07;
mdec->x = mdec->buf[1];
mdec->y = mdec->buf[2];
if ((mdec->buf[0] & 0x10) != 0) {
mdec->x |= 0xffffff00;
}
if ((mdec->buf[0] & 0x20) != 0) {
mdec->y |= 0xffffff00;
}
/* 鼠标的y方向与画面符号相反 */
mdec->y = - mdec->y;
return 1;
}
/* 应该不可能到这里来 */
return -1;
}