void set_palette(int start, int end, unsigned char *rgb)
{
int i, eflags;
eflags = _io_load_eflags();
_io_cli();
_io_out8(0x03c8, start);
for (i = start; i <= end; i++) {
_io_out8(0x03c9, rgb[0] / 4);
_io_out8(0x03c9, rgb[1] / 4);
_io_out8(0x03c9, rgb[2] / 4);
rgb += 3;
}
_io_store_eflags(eflags);
return;
}
void inthandler20(int *esp){
int i,j;
struct TIMER *timer;
_io_out8(PIC0_OCW2, 0x60);
timerctl.count ++;
if(timerctl.next_time > timerctl.count){
return;
}
timer = timerctl.t0;
for (;;){
if (timer->timeout > timerctl.count){
/* time out all done*/
break;
}
timer->flags == TIMER_FLAGS_ALLOC;
fifo32_put(timer->fifo, timer->data);
// find last timer
timer = timer->next_timer;
}
// next_timer setting
timerctl.t0 = timer; // the lastest timer
timerctl.next_time = timerctl.t0 -> timeout;
return;
}
void _inthandler27(int *esp)
/* PIC0からの不完全割り込み対策 */
/* Athlon64X2機などではチップセットの都合によりPICの初期化時にこの割り込みが1度だけおこる */
/* この割り込み処理関数は、その割り込みに対して何もしないでやり過ごす */
/* なぜ何もしなくていいの？
→ この割り込みはPIC初期化時の電気的なノイズによって発生したものなので、
まじめに何か処理してやる必要がない。 */
{
_io_out8(PIC0_OCW2, 0x67); /* IRQ-07受付完了をPICに通知 */
return;
}
// bochs is 10x than qemu
void init_pit(void){
int i;
struct TIMER *t;
_io_out8(PIT_CTRL, 0x36);
_io_out8(PIT_CNT0, 0x9c);
_io_out8(PIT_CNT0, 0x2e);
timerctl.count = 0;
timerctl.next_time = 0xffffffff;
for (i = 0; i < MAX_TIMER; i++){
timerctl.timers0[i].flags = 0;
}
t = timer_alloc();
t->timeout = 0xffffffff;
t->flags = TIMER_FLAGS_USING;
t->next_timer = 0x00;
timerctl.t0 = t;
timerctl.next_time = 0xffffffff;
return;
}
void inthandler27(int *esp)
{
_io_out8(PIC0_OCW2, 0x67);
return;
}
void init_pic(void)
{
_io_out8(PIC0_IMR, 0xff );
_io_out8(PIC1_IMR, 0xff );
_io_out8(PIC0_ICW1, 0x11 );
_io_out8(PIC0_ICW2, 0x20 );
_io_out8(PIC0_ICW3, 1 << 2);
_io_out8(PIC0_ICW4, 0x01 );
_io_out8(PIC1_ICW1, 0x11 );
_io_out8(PIC1_ICW2, 0x28 );
_io_out8(PIC1_ICW3, 2 );
_io_out8(PIC1_ICW4, 0x01 );
_io_out8(PIC0_IMR, 0xfb );
_io_out8(PIC1_IMR, 0xff );
return;
}
void init_pic(void)
/* PICの初期化 */
{
_io_out8(PIC0_IMR, 0xff ); /* 全ての割り込みを受け付けない */
_io_out8(PIC1_IMR, 0xff ); /* 全ての割り込みを受け付けない */
_io_out8(PIC0_ICW1, 0x11 ); /* エッジトリガモード */
_io_out8(PIC0_ICW2, 0x20 ); /* IRQ0-7は、INT20-27で受ける */
_io_out8(PIC0_ICW3, 1 << 2); /* PIC1はIRQ2にて接続 */
_io_out8(PIC0_ICW4, 0x01 ); /* ノンバッファモード */
_io_out8(PIC1_ICW1, 0x11 ); /* エッジトリガモード */
_io_out8(PIC1_ICW2, 0x28 ); /* IRQ8-15は、INT28-2fで受ける */
_io_out8(PIC1_ICW3, 2 ); /* PIC1はIRQ2にて接続 */
_io_out8(PIC1_ICW4, 0x01 ); /* ノンバッファモード */
_io_out8(PIC0_IMR, 0xfb ); /* 11111011 PIC1以外は全て禁止 */
_io_out8(PIC1_IMR, 0xff ); /* 11111111 全ての割り込みを受け付けない */
return;
}
void main(){
struct BOOTINFO *binfo;
struct FIFO32 fifo;
binfo = (struct BOOTINFO *) ADR_BOOTINFO;
char s[MAX_LENGTH];
char mcursor[256];
// mouse and keyboard data
int fifobuf[BUF_LEN];
struct TIMER *timer, *timer2, *timer3;
int fifo_data;
struct MOUSE_DEC mdec;
int mx,my;
// memory manager
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
unsigned int memtotal;
// overlay control
struct SHTCTL *shtctl;
struct SHEET *sht_win, *sht_mouse;
unsigned char *buf_back, buf_mouse[256];
unsigned char *buf_win;
// gdt control
init_gdtidt();
init_pic();
init_pit();
_io_sti();
// init fifo
fifo32_init(&fifo, BUF_LEN, fifobuf);
init_keyboard(&fifo, 256);
enable_mouse(&fifo, 512, &mdec);
timer = timer_alloc();
timer_init(timer, &fifo, 10);
timer_settime(timer, 1000);
timer2 = timer_alloc();
timer_init(timer2, &fifo, 3);
timer_settime(timer2, 300);
timer3 = timer_alloc();
timer_init(timer3,&fifo, 1);
timer_settime(timer3, 50);
// must after init pit
// qemu 1000 = 10s
// bochs 1000 = 1s
_io_out8(PIC0_IMR,0xf8);
_io_out8(PIC1_IMR,0xef);
// mouse and keyboard control
// memory set
memtotal = memtest(0x00400000, 0xbfffffff);
memman_init(memman);
// this is ERROR!
// c400 is system
memman_free(memman, 0x00400000, memtotal - 0x00400000);
/**************************************************
* screen
* ----------------------------------------------*/
// video initialize
init_palette();
shtctl = shtctl_init(memman, binfo->vram, binfo->scrnx, binfo->scrny);
sht_back = sheet_alloc(shtctl); // background sheet
sht_mouse = sheet_alloc(shtctl); // mouse sheet
sht_win = sheet_alloc(shtctl);
buf_back = (unsigned char *) memman_alloc_4k(memman, binfo->scrnx * binfo->scrny); // background buffer
buf_win = (unsigned char *) memman_alloc_4k(memman,160*52);
sheet_setbuf(sht_back, buf_back, binfo->scrnx, binfo->scrny, -1); // bind buf
sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99);
sheet_setbuf(sht_win, buf_win, 160, 52, -1);
init_screen(buf_back, binfo->scrnx, binfo->scrny); // init color
init_mouse_cursor8(buf_mouse, 99);
make_window8(buf_win, 160, 52, "counter");
// init slide
sheet_slide(sht_back, 0, 0);
// initial mouse position
mx = (binfo->scrnx - 16) / 2;
my = (binfo->scrny - 28 - 16) / 2;
int cursor_x, cursor_c;
make_textbox8(sht_win, 8, 28, 144, 16, COL8_FFFFFF);
cursor_x = 8;
cursor_c = COL8_FFFFFF;
// init mouse slide
// init position 0,0
sheet_slide(sht_mouse, mx, my);
sheet_slide(sht_win,80,72);
sheet_updown(sht_back, 0);
sheet_updown(sht_win, 1);
sheet_updown(sht_mouse, 2);
/*-------------------------------------------------
* screen
* ***********************************************/
/*************** memory info *********/
/*
itoa(s,memtotal / 1024 /1024,MAX_LENGTH);
putfont8_asc(buf_back, binfo->scrnx, 0, 32, COL8_FFFFFF, s);
itoa(s,memman_total(memman) / 1024,MAX_LENGTH);
putfont8_asc(buf_back, binfo->scrnx, 0, 64, COL8_FFFFFF, s);
sheet_refresh(sht_back, 0, 32, binfo->scrnx, 80);
*/
/*************** memory info *********/
/*
* TSS
*/
struct TSS32 tss_a, tss_b;
tss_a.ldtr = 0;
tss_a.iomap = 0x40000000;
tss_b.ldtr = 0;
tss_b.iomap = 0x40000000;
struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT;
set_segmdesc(gdt+3, 103, (int) &tss_a, AR_TSS32);
set_segmdesc(gdt+4, 103, (int) &tss_b, AR_TSS32);
int task_b_esp;
// current tr
_load_tr(3 * 8);
task_b_esp = memman_alloc_4k(memman, 64 * 1024) + 64 * 1024;
tss_b.eip = (int) &task_b_main;
tss_b.eflags = 0x00000202; /* IF = 1; */
tss_b.eax = 0;
tss_b.ecx = 0;
tss_b.edx = 0;
tss_b.ebx = 0;
tss_b.esp = task_b_esp;
tss_b.ebp = 0;
tss_b.esi = 0;
tss_b.edi = 0;
tss_b.es = 2 * 8;
tss_b.cs = 1 * 8;
tss_b.ss = 2 * 8;
tss_b.ds = 2 * 8;
tss_b.fs = 2 * 8;
tss_b.gs = 2 * 8;
int count = 0;
mt_init();
for(;;){
count ++;
_io_cli();
if(0 == (fifo32_status(&fifo) )){
_io_stihlt();
//_io_sti(); // too fast
}
else{
fifo_data = fifo32_get(&fifo);
_io_sti();
if(256 <= fifo_data && fifo_data < 512){ // keyboard data
if(fifo_data < 256 + 0x54){
if(keytable[fifo_data-256] != 0){
s[0] = keytable[fifo_data-256];
s[1] = 0;
putfont8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF,s, 1);
cursor_x += 8; // next pos
}
if(fifo_data == 256 + 0x0e && cursor_x >= 8){
putfont8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF," ", 1);
cursor_x -= 8;
}
// boxfill8(sht_win->buf, sht_win->bxsize, cursor_c, cursor_x, 28, cursor_x+7, 43);
// sheet_refresh(sht_win, cursor_x, 28, cursor_x+7, 43);
}
}
else if(512 <= fifo_data && fifo_data < 768){ // mouse data
// fifo_data -= 512; //have some error
if (mouse_decode(&mdec,fifo_data - 512) != 0){
mx += mdec.x;
my += mdec.y;
if(mx < 0){
mx = 0;
}
if(my < 0){
my = 0;
}
if(mx > binfo->scrnx - 1){
mx = binfo->scrnx -1;
}
if(my > binfo->scrny - 1){
my = binfo->scrny -1;
}
sheet_slide(sht_mouse, mx, my);
if( (mdec.btn & 0x01) != 0 && (mx > sht_win->vx0 && mx < (sht_win->vx0 + sht_win->bxsize)) && ( my > sht_win->vy0 - sht_win->bysize*2 && my < (sht_win->vy0 + sht_win->bysize * 2) ) ){
sheet_slide(sht_win, mx - 80, my - 8);
}
}
}
else if( fifo_data == 10){
putfont8_asc_sht(sht_back, 0, 140, COL8_FFFFFF, COL8_008484,"10[sec]", 7);
itoa(s,count,MAX_LENGTH);
putfont8_asc_sht(sht_back, 140, 28, COL8_000000, COL8_C6C6C6, s ,12 );
}
else if( fifo_data == 3){
putfont8_asc_sht(sht_back, 100, 0, COL8_FFFFFF, COL8_008484,"3[sec]", 6);
}
else{
if(fifo_data != 0){
timer_init(timer3, &fifo, 0);
boxfill8(buf_back, binfo->scrnx, COL8_FFFFFF, 8, 96, 15, 111);
}
else{
timer_init(timer3, &fifo, 1);
boxfill8(buf_back, binfo->scrnx, COL8_008484, 8, 96, 15, 111);
}
timer_settime(timer3, 50);
sheet_refresh(sht_back, 8, 96, 16, 112);
}
}
}
}
