1.1 --- a/src/sh4/xltcache.c	Fri Jan 04 11:54:17 2008 +0000
     1.2 +++ b/src/sh4/xltcache.c	Mon Jan 14 09:08:58 2008 +0000
     1.3 @@ -208,27 +208,33 @@
     1.4      return result;
     1.5  }
     1.6  
     1.7 -void *xlat_get_code_by_vma( sh4vma_t vma )
     1.8 +xlat_recovery_record_t xlat_get_recovery( void *code, void *native_pc, gboolean recover_after )
     1.9  {
    1.10 -    void *result = NULL;
    1.11 -
    1.12 -
    1.13 -    if( !IS_IN_ICACHE(vma) ) {
    1.14 -	if( !mmu_update_icache(sh4r.pc) ) {
    1.15 -	    // fault - off to the fault handler
    1.16 -	    if( !mmu_update_icache(sh4r.pc) ) {
    1.17 -		// double fault - halt
    1.18 -		dreamcast_stop();
    1.19 -		ERROR( "Double fault - halting" );
    1.20 +    if( code != NULL ) {
    1.21 +	xlat_cache_block_t block = BLOCK_FOR_CODE(code);
    1.22 +	uint32_t count = block->recover_table_size;
    1.23 +	xlat_recovery_record_t records = block->recover_table;
    1.24 +	uint32_t posn;
    1.25 +	if( recover_after ) {
    1.26 +	    if( records[count-1].xlat_pc <= (uintptr_t)native_pc ) {
    1.27  		return NULL;
    1.28  	    }
    1.29 +	    for( posn=count-1; posn > 0; posn-- ) {
    1.30 +		if( records[posn-1].xlat_pc <= (uintptr_t)native_pc ) {
    1.31 +		    return &records[posn];
    1.32 +		}
    1.33 +	    }
    1.34 +	    return &records[0]; // shouldn't happen
    1.35 +	} else {
    1.36 +	    for( posn = 1; posn < count; posn++ ) {
    1.37 +		if( records[posn].xlat_pc > (uintptr_t)native_pc ) {
    1.38 +		    return &records[posn-1];
    1.39 +		}
    1.40 +	    }
    1.41 +	    return &records[count-1];
    1.42  	}
    1.43      }
    1.44 -    if( sh4_icache.page_vma != -1 ) {
    1.45 -	result = xlat_get_code( GET_ICACHE_PHYS(vma) );
    1.46 -    }
    1.47 -
    1.48 -    return result;
    1.49 +    return NULL;
    1.50  }
    1.51  
    1.52  void **xlat_get_lut_entry( sh4addr_t address )
    1.53 @@ -254,6 +260,16 @@
    1.54      return xlt->size;
    1.55  }
    1.56  
    1.57 +uint32_t xlat_get_code_size( void *block )
    1.58 +{
    1.59 +    xlat_cache_block_t xlt = (xlat_cache_block_t)(((char *)block)-sizeof(struct xlat_cache_block));
    1.60 +    if( xlt->recover_table == NULL ) {
    1.61 +	return xlt->size;
    1.62 +    } else {
    1.63 +	return ((uint8_t *)xlt->recover_table) - ((uint8_t *)block);
    1.64 +    }
    1.65 +}
    1.66 +
    1.67  /**
    1.68   * Cut the specified block so that it has the given size, with the remaining data
    1.69   * forming a new free block. If the free block would be less than the minimum size,