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handle ROM areas and put associated blocks into dormant state

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This commit is contained in:
gbeauche 2003-12-01 00:16:21 +00:00
parent ceb9b4a428
commit f034ae704f
1 changed files with 18 additions and 3 deletions
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21
SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-translate.cpp
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@ -25,6 +25,7 @@
#ifdef SHEEPSHAVER
#include "xlowmem.h"
#include "cpu_emulation.h"
#endif
#include <stdio.h>
@ -37,6 +38,19 @@
#include "mon_disass.h"
#endif
// Define to enable const branches optimization
#define FOLLOW_CONST_JUMPS 1
// FIXME: define ROM areas
static inline bool is_read_only_memory(uintptr addr)
{
#ifdef SHEEPSHAVER
if ((addr - ROM_BASE) < ROM_AREA_SIZE)
return true;
#endif
return false;
}
/**
* Basic block disassemblers
@ -91,8 +105,6 @@ static void disasm_translation(uint32 src_addr, uint32 src_len,
* DynGen dynamic code translation
**/
#define FOLLOW_CONST_JUMPS 1
#if PPC_ENABLE_JIT
powerpc_cpu::block_info *
powerpc_cpu::compile_block(uint32 entry_point)
@ -1015,7 +1027,10 @@ powerpc_cpu::compile_block(uint32 entry_point)
if (disasm)
disasm_translation(entry_point, dpc - entry_point + 4, bi->entry_point, bi->size);
block_cache.add_to_cl_list(bi);
block_cache.add_to_active_list(bi);
if (is_read_only_memory(bi->pc))
block_cache.add_to_dormant_list(bi);
else
block_cache.add_to_active_list(bi);
#if PPC_PROFILE_COMPILE_TIME
compile_time += (clock() - start_time);
#endif