- initial import

git-svn-id: http://moon:8086/svn/mips@1 a8ebac50-d88d-4704-bea3-6648445a41b3

_old/src/hello.c

@@ -0,0 +1,124 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "irq.h"
+#include "libsys.h"
+
+char buffer[16384];
+char * volatile pPtr_r;
+char * volatile pPtr_w;
+
+void handler0(void)
+{
+	printf("Interrupt 0\n");
+	interrupt_clr(0);
+}
+
+void handler1(void)
+{
+	printf("Interrupt 1\n");
+	interrupt_clr(1);
+}
+
+void handler2(void)
+{
+	printf("Interrupt 2\n");
+}
+
+void handler3(void)
+{
+	volatile char *pUART_stat = (char*)sys_uart_stat;
+	volatile char *pUART_data = (char*)sys_uart_data;
+
+	while((0x10 & *pUART_stat))
+	{
+//		sputs("w: "); print_word((int)pPtr_w); sputs("\n");
+		if (pPtr_w == &buffer[16383])
+			pPtr_w = buffer;
+		*(pPtr_w++) = *pUART_data;
+	}
+
+}
+
+void handler4(void)
+{
+	printf("Interrupt 4\n");
+}
+
+void handler5(void)
+{
+	printf("Interrupt 5\n");
+}
+
+void handler6(void)
+{
+	printf("Interrupt 6\n");
+}
+
+void handler7(void)
+{
+	printf("Interrupt 7\n");
+}
+
+int main(void)
+{
+
+	printf("Hello\n");
+	memset(buffer, 0, sizeof(buffer));
+	pPtr_r = buffer;
+	pPtr_w = buffer;
+	interrupt_register(0, handler0);
+	interrupt_enable(0);
+
+	interrupt_register(1, handler1);
+	interrupt_enable(1);
+
+	interrupt_register(2, handler2);
+	interrupt_enable(2);
+
+	interrupt_register(3, handler3);
+	interrupt_enable(3);
+
+	interrupt_register(4, handler4);
+//	interrupt_enable(4);
+
+	interrupt_register(5, handler5);
+	interrupt_enable(5);
+
+	interrupt_register(6, handler6);
+	interrupt_enable(6);
+
+	interrupt_register(7, handler7);
+	interrupt_enable(7);
+
+	printf("Start:\n");
+
+	interrupt_set(0);
+	interrupt_set(1);
+	interrupt_set(2);
+	interrupt_set(3);
+	interrupt_set(4);
+	interrupt_set(5);
+	interrupt_set(6);
+	interrupt_set(7);
+
+	sputs("r: "); print_word((int)pPtr_r); sputs("\n");
+	sputs("w: "); print_word((int)pPtr_w); sputs("\n");
+
+	// Print Status register
+	sputs("Status  : ");
+	print_word(CP0_SR_read());
+	sputs("\n");
+
+	while(1)
+	{
+		if(pPtr_w != pPtr_r)
+		{
+//			sputs("r: "); print_word((int)pPtr_r); sputs("\n");
+			if (pPtr_r == &buffer[16383])
+				pPtr_r = buffer;
+			writechar(*(pPtr_r++));
+		}
+	}
+	return 0;
+}