| 2 |
|
#error "Only Real or Direct Addressing is supported with the JIT Compiler" |
| 3 |
|
#endif |
| 4 |
|
|
| 5 |
+ |
#if X86_ASSEMBLY && !SAHF_SETO_PROFITABLE |
| 6 |
+ |
#error "Only [LS]AHF scheme to [gs]et flags is supported with the JIT Compiler" |
| 7 |
+ |
#endif |
| 8 |
+ |
|
| 9 |
|
#define USE_MATCH 0 |
| 10 |
|
|
| 11 |
|
/* kludge for Brian, so he can compile under MSVC++ */ |
| 25 |
|
#include "main.h" |
| 26 |
|
#include "prefs.h" |
| 27 |
|
#include "user_strings.h" |
| 28 |
+ |
#include "vm_alloc.h" |
| 29 |
|
|
| 30 |
|
#include "m68k.h" |
| 31 |
|
#include "memory.h" |
| 83 |
|
|
| 84 |
|
const uae_u32 MIN_CACHE_SIZE = 2048; // Minimal translation cache size (2048 KB) |
| 85 |
|
static uae_u32 cache_size = 0; // Size of total cache allocated for compiled blocks |
| 86 |
< |
static uae_u32 current_cache_size = 0; // Cache grows upwards: how much has been consumed yet |
| 86 |
> |
static uae_u32 current_cache_size = 0; // Cache grows upwards: how much has been consumed already |
| 87 |
|
static bool lazy_flush = true; // Flag: lazy translation cache invalidation |
| 88 |
|
static bool avoid_fpu = true; // Flag: compile FPU instructions ? |
| 89 |
|
static bool have_cmov = false; // target has CMOV instructions ? |
| 4593 |
|
|
| 4594 |
|
// Deallocate translation cache |
| 4595 |
|
if (compiled_code) { |
| 4596 |
< |
#ifndef WIN32 |
| 4592 |
< |
munmap((caddr_t)compiled_code, cache_size); |
| 4593 |
< |
#else |
| 4594 |
< |
free(compiled_code); |
| 4595 |
< |
#endif |
| 4596 |
> |
vm_release(compiled_code, cache_size * 1024); |
| 4597 |
|
compiled_code = 0; |
| 4598 |
|
} |
| 4599 |
|
|
| 5145 |
|
{ |
| 5146 |
|
if (compiled_code) { |
| 5147 |
|
flush_icache_hard(6); |
| 5148 |
< |
#ifndef WIN32 |
| 5148 |
< |
munmap((caddr_t)compiled_code, cache_size*1024); |
| 5149 |
< |
#else |
| 5150 |
< |
free(compiled_code); |
| 5151 |
< |
#endif |
| 5148 |
> |
vm_release(compiled_code, cache_size * 1024); |
| 5149 |
|
compiled_code = 0; |
| 5150 |
|
} |
| 5151 |
|
|
| 5153 |
|
return; |
| 5154 |
|
|
| 5155 |
|
while (!compiled_code && cache_size) { |
| 5156 |
< |
#ifndef WIN32 |
| 5160 |
< |
compiled_code = (uae_u8 *)mmap(0, cache_size * 1024, |
| 5161 |
< |
PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, zero_fd, 0); |
| 5162 |
< |
if (compiled_code == (uae_u8 *)MAP_FAILED) { |
| 5163 |
< |
#else |
| 5164 |
< |
compiled_code = (uae_u8 *)malloc(cache_size * 1024); |
| 5165 |
< |
if (compiled_code == 0) { |
| 5166 |
< |
#endif |
| 5156 |
> |
if ((compiled_code = (uae_u8 *)vm_acquire(cache_size * 1024)) == VM_MAP_FAILED) { |
| 5157 |
|
compiled_code = 0; |
| 5158 |
|
cache_size /= 2; |
| 5159 |
|
} |
| 5160 |
|
} |
| 5161 |
+ |
vm_protect(compiled_code, cache_size, VM_PAGE_READ | VM_PAGE_WRITE | VM_PAGE_EXECUTE); |
| 5162 |
|
|
| 5163 |
|
if (compiled_code) { |
| 5164 |
|
write_log("<JIT compiler> : actual translation cache size : %d KB at 0x%08X\n", cache_size, compiled_code); |
