1.1 --- a/src/sh4/sh4trans.c	Tue Sep 18 09:12:30 2007 +0000
     1.2 +++ b/src/sh4/sh4trans.c	Wed Sep 19 12:09:33 2007 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: sh4trans.c,v 1.3 2007-09-18 09:12:30 nkeynes Exp $
     1.6 + * $Id: sh4trans.c,v 1.4 2007-09-19 12:09:33 nkeynes Exp $
     1.7   * 
     1.8   * SH4 translation core module. This part handles the non-target-specific
     1.9   * section of the translation.
    1.10 @@ -16,7 +16,7 @@
    1.11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.12   * GNU General Public License for more details.
    1.13   */
    1.14 -
    1.15 +#include <assert.h>
    1.16  #include "sh4core.h"
    1.17  #include "sh4trans.h"
    1.18  #include "xltcache.h"
    1.19 @@ -109,4 +109,28 @@
    1.20      return block->code;
    1.21  }
    1.22  
    1.23 +/**
    1.24 + * Translate a linear basic block to a temporary buffer, execute it, and return
    1.25 + * the result of the execution. The translation is discarded.
    1.26 + */
    1.27 +gboolean sh4_translate_and_run( sh4addr_t start )
    1.28 +{
    1.29 +    char buf[65536];
    1.30  
    1.31 +    uint32_t pc = start;
    1.32 +    int done;
    1.33 +    xlat_output = buf;
    1.34 +    uint8_t *eob = xlat_output + sizeof(buf);
    1.35 +
    1.36 +    sh4_translate_begin_block();
    1.37 +
    1.38 +    while( (done = sh4_x86_translate_instruction( pc )) == 0 ) {
    1.39 +	assert( (eob - xlat_output) >= MAX_INSTRUCTION_SIZE );
    1.40 +	pc += 2;
    1.41 +    }
    1.42 +    pc+=2;
    1.43 +    sh4_translate_end_block(pc);
    1.44 +
    1.45 +    gboolean (*code)() = (void *)buf;
    1.46 +    return code();
    1.47 +}