- initial import

git-svn-id: http://moon:8086/svn/mips@1 a8ebac50-d88d-4704-bea3-6648445a41b3
2014-07-20 15:01:37 +00:00
commit 26291bca3d
1549 changed files with 3997969 additions and 0 deletions
@@ -0,0 +1,71 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "libsys.h"
+
+void _dcache_rw (void)
+{
+	__asm __volatile__
+	(
+		".set	noreorder\n"
+		" 1:\t li	$t0, 0x40010000\n"
+		" li	$t1, 0x00000000\n"
+		" li	$t2, 0xA0000000\n"
+		" 2:\t lw    $v0, 0($t0)\n"
+		" addiu $t0, 4\n"
+		" sw    $t1, 0($t0)\n"
+		" lw    $v1, 0($t0)\n"
+		" sw    $v0, 0($t2)\n"
+		" nop\n"
+		" nop\n"
+		" nop\n"
+		" sw    $t1, 0($t0)\n"
+		" lw    $v1, 4($t0)\n"
+		" nop\n"
+		" nop\n"
+		" nop\n"
+		" sh    $t1, 0($t0)\n"
+		" lw    $v1, 4($t0)\n"
+		" nop\n"
+		" nop\n"
+		" nop\n"
+		" sb    $t1, 0($t0)\n"
+		" lw    $v1, 4($t0)\n"
+		" bne   $t0, 0x40110000, 2b\n"
+		" addiu $t1, 1\n"
+		" j 1b\n"
+		" nop\n"
+		".set	reorder\n"
+
+	);
+
+}
+
+int main(void)
+{
+	int buf[256];
+	volatile int *pLED = (int*)sys_led_port;
+	volatile char *pLED8 = (char*)sys_led_port;
+	volatile char *pGPIO = (char*)sys_gpio1;
+	char buf8[4];
+	int i;
+
+	*(pLED8+0) = 0x12;
+	*(pLED8+1) = 0x34;
+	*(pLED8+2) = 0x56;
+	*(pLED8+3) = 0x78;
+
+	buf8[0] = *(pLED8+0);
+	buf8[1] = *(pLED8+1);
+	buf8[2] = *(pLED8+2);
+	buf8[3] = *(pLED8+3);
+
+	*(pGPIO+0) = buf8[0];
+	*(pGPIO+1) = buf8[1];
+	*(pGPIO+2) = buf8[2];
+	*(pGPIO+3) = buf8[3];
+
+	*pLED = *((int*)pGPIO);
+	_dcache_rw();
+
+	return 0;
+}