--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/testxlt.c	Tue Aug 28 08:47:35 2007 +0000
@@ -0,0 +1,77 @@
+#include <assert.h>
+#include "sh4/xltcache.h"
+#include "dreamcast.h"
+
+extern xlat_cache_block_t xlat_new_cache;
+extern xlat_cache_block_t xlat_new_cache_ptr;
+extern xlat_cache_block_t xlat_temp_cache;
+extern xlat_cache_block_t xlat_temp_cache_ptr;
+
+/**
+ * Test initial allocations from the new cache
+ */
+void test_initial()
+{
+    int i;
+    xlat_cache_block_t block = xlat_start_block( 0x0C008000 );
+    assert( block->active == 1 );
+    assert( block->size == XLAT_NEW_CACHE_SIZE - (2*sizeof(struct xlat_cache_block)) );
+    memset( block->code, 0xB5, 8192 );
+    xlat_commit_block( 8192 );
+    assert( block->active == 1 );
+    assert( block->size == 8192 );
+    
+    int size = XLAT_NEW_CACHE_SIZE - (4*sizeof(struct xlat_cache_block)) - 8192 - 4096;
+    xlat_cache_block_t block2 = xlat_start_block( 0x0C009000 );
+    assert( block2->active == 1 );
+    assert( block2->size == XLAT_NEW_CACHE_SIZE - (3*sizeof(struct xlat_cache_block)) - 8192 );
+    memset( block2->code, 0x6D, size );
+    xlat_commit_block( size );
+    assert( block2->active == 1 );
+    assert( block2->size == size );
+    
+    void *addr = xlat_get_code( 0x0C008000 );
+    assert( addr == &block->code );
+    addr = xlat_get_code( 0x0C009000 );
+    assert( addr == &block2->code );
+    addr = xlat_get_code( 0x0C008002 );
+    assert( addr == NULL );
+    
+    xlat_cache_block_t block3 = xlat_start_block( 0x0D009800 );
+    assert( block3->active == 1 );
+    assert( block3->size == 4096 );
+    memset( block3->code, 0x9C, 4096 );
+    xlat_cache_block_t block3a = xlat_extend_block();
+    assert( block3a != block3 );
+    assert( block3a == block );
+    assert( block3a->active == 1 );
+    assert( block3a->size = 8192 );
+    assert( block3->active == 0 );
+    assert( block3->size == 4096 );
+    for( i=0; i<4096; i++ ) {
+	assert( block3a->code[i] == 0x9C );
+    }
+    for( i=4096; i<8192; i++ ) {
+	assert( block3a->code[i] == 0xB5 );
+    }
+    xlat_commit_block(6142);
+    addr = xlat_get_code( 0x0D009800 );
+    assert( addr == &block3a->code );
+    /* check promoted block in temp cache */
+    addr = xlat_get_code( 0x0C008000 );
+    assert( addr == &xlat_temp_cache->code );
+    assert( xlat_temp_cache->active == 1 );
+    assert( xlat_temp_cache->size == 8192 );
+    for( i=0; i<8192; i++ ) {
+	assert( xlat_temp_cache->code[i] == 0xB5 );
+    }
+}
+
+int main()
+{
+    xlat_cache_init();
+    xlat_check_integrity();
+    
+    test_initial();
+    return 0;
+}