- added tests

git-svn-id: http://moon:8086/svn/mips@172 a8ebac50-d88d-4704-bea3-6648445a41b3

src/asm/tests/test_dcache.c

@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "../libsys/utils.h"
+
+#define SIZE 256
+
+uint32_t _test_dcache(uint32_t *pMem)
+{
+	uint32_t result;
+	
+	__asm__
+	(
+		".set	noreorder\n"
+		".set	nomacro\n"
+		
+		"addiu  $t1, $0, 0x5555\n"
+		"lw     $t0, 0(%[pMem])\n"
+		"sw     $t1, 24(%[pMem])\n"
+		"addiu	$t0, 8\n"
+		"sw     $t0, 0(%[pMem])\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"nop\n"
+		"lw     %[result], 24(%[pMem])\n"
+
+		".set	macro\n"
+		".set	reorder\n"
+		: [result] "=r" (result)
+		: [pMem] "r" (pMem)
+		: "t0", "t1"
+	);
+	
+	return result;
+}
+
+uint32_t test_dcache()
+{
+	uint64_t buffer[SIZE/sizeof(uint64_t)];
+	uint32_t *pPtr32 = (uint32_t*)buffer;
+
+	for(int i=0; i < SIZE/sizeof(uint32_t); i++)
+		pPtr32[i] = i;
+
+	DCACHE_invalidate_all();
+
+	return _test_dcache(pPtr32) == 0x00005555;
+}
+

src/asm/tests/test_dcache.h

@@ -0,0 +1,8 @@
+#ifndef _TEST_DCACHE_H_
+#define _TEST_DCACHE_H_
+
+uint32_t test_dcache();
+
+#endif // _TEST_DCACHE_H__TEST_DCACHE_H_
+
+

src/asm/tests/test_uncached_cachemiss_bug.c

@@ -0,0 +1,45 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "../libsys/utils.h"
+
+
+uint32_t _test_uncached_cachemiss_bug(uint32_t* pMem)
+{
+	uint32_t result;
+
+	pMem[0] = 0x12345678;
+	pMem[1] = 0xFFFFFFFF;
+
+	DCACHE_invalidate_all();
+
+	__asm__
+	(
+		"move     $s0, %[pMem]\n"
+		"lw     $a0, 32($s0)\n"
+		"or		$s1, $a0, $0\n"
+		"or		$a2, $0, $0\n"
+		"addiu	$a2, 1\n"
+		"sw     $a2, 32($s0)\n"
+//		"lw     $a1, 0(%[pMem])\n"
+		"lw     $a0, 32($s0)\n"
+		"lw     $a2, 4(%[pMem])\n"
+		"lw     $a1, 0(%[pMem])\n"
+		"nop\n"
+		"sw     $s1, 8($s0)\n"
+		"or		%[result], $a0, $0\n"
+		: [result] "=r" (result)
+		: [pMem] "r" (pMem)
+		: "a0", "a1", "a2", "s0", "s1"
+	);
+	return result;
+}
+
+uint32_t test_uncached_cachemiss_bug()
+{
+	uint32_t buf[256], res;
+
+	res = _test_uncached_cachemiss_bug(buf);
+
+	return res;
+
+}

src/asm/tests/test_uncached_cachemiss_bug.h

@@ -0,0 +1,8 @@
+#ifndef _TEST_UNCACHED_CACHEMISS_BUG_H_
+#define _TEST_UNCACHED_CACHEMISS_BUG_H_
+
+uint32_t test_uncached_cachemiss_bug();
+
+#endif // _TEST_UNCACHED_CACHEMISS_BUG_H_
+
+