1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/sh4/mmummio.c	Wed Dec 21 17:13:08 2011 +1000
     1.3 @@ -0,0 +1,61 @@
     1.4 +#include <assert.h>
     1.5 +#include <stdio.h>
     1.6 +#include "../lib.h"
     1.7 +
     1.8 +#define PTEH  0xFF000000
     1.9 +#define PTEL  0xFF000004
    1.10 +#define TTB   0xFF000008
    1.11 +#define TEA   0xFF00000C
    1.12 +#define MMUCR 0xFF000010
    1.13 +#define PTEA  0xFF000034
    1.14 +
    1.15 +#define ITLB_ADDR(entry) (0xF2000000 + (entry<<8))
    1.16 +#define ITLB_DATA(entry) (0xF3000000 + (entry<<8))
    1.17 +#define UTLB_ADDR(entry) (0xF6000000 + (entry<<8))
    1.18 +#define UTLB_DATA1(entry) (0xF7000000 + (entry<<8))
    1.19 +#define UTLB_DATA2(entry) (0xF7800000 + (entry<<8))
    1.20 +
    1.21 +/* Bang on the mmio side of the TLBs to make sure the bits
    1.22 + * respond appropriately (with AT disabled so we don't risk
    1.23 + * doing a hard crash) */
    1.24 +void test_tlb_mmio()
    1.25 +{
    1.26 +    int entry;
    1.27 +    for( entry=0; entry<64; entry++ ) {
    1.28 +	long_write( UTLB_DATA1(entry), 0 );
    1.29 +	long_write( UTLB_ADDR(entry), 0xFFFFFFFF );
    1.30 +	assert( long_read( UTLB_ADDR(entry) ) == 0xFFFFFFFF );
    1.31 +	assert( long_read( UTLB_DATA1(entry) ) == 0x00000104 );
    1.32 +	long_write( UTLB_ADDR(entry), 0x00000000 );
    1.33 +	assert( long_read( UTLB_ADDR(entry) ) == 0x00000000 );
    1.34 +	assert( long_read( UTLB_DATA1(entry) ) == 0x00000000 );
    1.35 +	long_write( UTLB_DATA1(entry), 0xFFFFFFFF );
    1.36 +	assert( long_read( UTLB_DATA1(entry) ) == 0x1FFFFDFF );
    1.37 +	assert( long_read( UTLB_ADDR(entry) ) == 0x00000300 );
    1.38 +	long_write( UTLB_DATA1(entry), 0x00000000 );
    1.39 +	assert( long_read( UTLB_DATA1(entry) ) == 0x00000000 );
    1.40 +	assert( long_read( UTLB_ADDR(entry) ) == 0x00000000 );
    1.41 +	long_write( UTLB_DATA2(entry), 0xFFFFFFFF );
    1.42 +	assert( long_read( UTLB_DATA2(entry) ) == 0x0000000F );
    1.43 +	long_write( UTLB_DATA2(entry), 0x00000000 );
    1.44 +	assert( long_read( UTLB_DATA2(entry) ) == 0x00000000 );
    1.45 +    }
    1.46 +    
    1.47 +    for( entry=0; entry<4; entry++ ) {
    1.48 +	long_write( ITLB_DATA(entry), 0 );
    1.49 +	long_write( ITLB_ADDR(entry), 0xFFFFFFFF );
    1.50 +	assert( long_read( ITLB_ADDR(entry) ) == 0xFFFFFDFF );
    1.51 +	assert( long_read( ITLB_DATA(entry) ) == 0x00000100 );
    1.52 +	long_write( ITLB_ADDR(entry), 0x00000000 );
    1.53 +	assert( long_read( ITLB_ADDR(entry) ) == 0x00000000 );
    1.54 +	assert( long_read( ITLB_DATA(entry) ) == 0x00000000 );
    1.55 +	long_write( ITLB_DATA(entry), 0xFFFFFFFF );
    1.56 +	assert( long_read( ITLB_DATA(entry) ) == 0x1FFFFDDA );
    1.57 +	assert( long_read( ITLB_ADDR(entry) ) == 0x00000100 );
    1.58 +	long_write( ITLB_DATA(entry), 0x00000000 );
    1.59 +	assert( long_read( ITLB_DATA(entry) ) == 0x00000000 );
    1.60 +	assert( long_read( ITLB_ADDR(entry) ) == 0x00000000 );
    1.61 +	
    1.62 +    }
    1.63 +}
    1.64 +