1.1 --- a/src/mem.c	Sat May 20 02:38:58 2006 +0000
     1.2 +++ b/src/mem.c	Sun Jun 18 12:01:06 2006 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: mem.c,v 1.12 2006-05-20 02:38:58 nkeynes Exp $
     1.6 + * $Id: mem.c,v 1.13 2006-06-15 10:25:42 nkeynes Exp $
     1.7   * mem.c is responsible for creating and maintaining the overall system memory
     1.8   * map, as visible from the SH4 processor. 
     1.9   *
    1.10 @@ -356,3 +356,23 @@
    1.11      }
    1.12  }
    1.13  
    1.14 +struct mmio_region *mem_get_io_region( uint32_t addr )
    1.15 +{
    1.16 +    if( addr > 0xFF000000 ) {
    1.17 +	return P4_io[(addr&0x00FFFFFF)>>12];
    1.18 +    }
    1.19 +    char *page = page_map[(addr&0x1FFFFFFF)>>12];
    1.20 +    if( ((uint32_t)page) < MAX_IO_REGIONS ) {
    1.21 +	return io_rgn[(uint32_t)page];
    1.22 +    } else {
    1.23 +	return NULL;
    1.24 +    }
    1.25 +}
    1.26 +
    1.27 +void mem_set_trace( uint32_t addr, int flag )
    1.28 +{
    1.29 +    struct mmio_region *region = mem_get_io_region(addr);
    1.30 +    if( region != NULL )
    1.31 +	region->trace_flag = flag;
    1.32 +}
    1.33 +