测试运行速度

15_day/bootpack.c

@@ -14,7 +14,7 @@ struct TSS32 {
 	int ldtr, iomap;
 };
 
-void task_b_main(void);
+void task_b_main(struct SHEET *sht_back);
 
 void HariMain(void)
 {
@@ -106,7 +106,7 @@ void HariMain(void)
 	set_segmdesc(gdt + 3, 103, (int) &tss_a, AR_TSS32);
 	set_segmdesc(gdt + 4, 103, (int) &tss_b, AR_TSS32);
 	load_tr(3 * 8);
-	task_b_esp = memman_alloc_4k(memman, 64 * 1024) + 64 * 1024;
+	task_b_esp = memman_alloc_4k(memman, 64 * 1024) + 64 * 1024 - 8;
 	tss_b.eip = (int) &task_b_main;
 	tss_b.eflags = 0x00000202; /* IF = 1; */
 	tss_b.eax = 0;
@@ -123,6 +123,7 @@ void HariMain(void)
 	tss_b.ds = 1 * 8;
 	tss_b.fs = 1 * 8;
 	tss_b.gs = 1 * 8;
+	*((int *) (task_b_esp + 4)) = (int) sht_back;
 
 	for (;;) {
 		io_cli();
@@ -281,26 +282,46 @@ void make_textbox8(struct SHEET *sht, int x0, int y0, int sx, int sy, int c)
 	return;
 }
 
-void task_b_main(void)
+void task_b_main(struct SHEET *sht_back)
 {
 	struct FIFO32 fifo;
-	struct TIMER *timer_ts;
-	int i, fifobuf[128];
+	struct TIMER *timer_ts, *timer_put, *timer_1s;
+	int i, fifobuf[128], count = 0, count0 = 0;
+	char s[12];
+
 	fifo32_init(&fifo, 128, fifobuf);
 	timer_ts = timer_alloc();
-	timer_init(timer_ts, &fifo, 1);
+	timer_init(timer_ts, &fifo, 2);
 	timer_settime(timer_ts, 2);
+	timer_put = timer_alloc();
+	timer_init(timer_put, &fifo, 1);
+	timer_settime(timer_put, 1);
+	timer_1s = timer_alloc();
+	timer_init(timer_1s, &fifo, 100);
+	timer_settime(timer_1s, 100);
 
 	for (;;) {
+		count++;
+		sprintf(s, "%10d", count);
+		putfonts8_asc_sht(sht_back, 0, 144, COL8_FFFFFF, COL8_008484, s, 10);
 		io_cli();
 		if (fifo32_status(&fifo) == 0) {
-			io_stihlt();
+			io_sti();
 		} else {
 			i = fifo32_get(&fifo);
 			io_sti();
-			if (i == 1) { /*任务切换*/
+			if (i == 1) {
+				sprintf(s, "%11d", count);
+				putfonts8_asc_sht(sht_back, 0, 144, COL8_FFFFFF, COL8_008484, s, 11);
+				timer_settime(timer_put, 1);
+			} else if (i == 2) {
 				farjmp(0, 3 * 8);
 				timer_settime(timer_ts, 2);
+			} else if (i == 100) {
+				sprintf(s, "%11d", count - count0);
+				putfonts8_asc_sht(sht_back, 0, 128, COL8_FFFFFF, COL8_008484, s, 11);
+				count0 = count;
+				timer_settime(timer_1s, 100);
 			}
 		}
 	}