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libretro: satisfy vita's dynarec needs in a cleaner way

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This commit is contained in:
notaz 2017-10-13 23:36:51 +03:00
parent 28a5b39232
commit df9251536d
5 changed files with 39 additions and 12 deletions
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28
platform/libretro/libretro.c
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@ -98,6 +98,7 @@ void cache_flush_d_inval_i(void *start, void *end)
{
#ifdef __arm__
size_t len = (char *)end - (char *)start;
(void)len;
#if defined(__BLACKBERRY_QNX__)
msync(start, end - start, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE);
#elif defined(__MACH__)
@ -435,14 +436,25 @@ void plat_munmap(void *ptr, size_t size)
}
#endif
// if NULL is returned, static buffer is used
void *plat_mem_get_for_drc(size_t size)
{
void *mem = NULL;
#ifdef VITA
sceKernelGetMemBlockBase(sceBlock, &mem);
#endif
return mem;
}
int plat_mem_set_exec(void *ptr, size_t size)
{
#ifdef _WIN32
int ret = VirtualProtect(ptr,size,PAGE_EXECUTE_READWRITE,0);
if (ret == 0 && log_cb)
log_cb(RETRO_LOG_ERROR, "mprotect(%p, %zd) failed: %d\n", ptr, size, 0);
#elif defined(_3DS)
int ret = -1;
#ifdef _WIN32
ret = VirtualProtect(ptr, size, PAGE_EXECUTE_READWRITE, 0);
if (ret == 0 && log_cb)
log_cb(RETRO_LOG_ERROR, "VirtualProtect(%p, %d) failed: %d\n", ptr, (int)size,
GetLastError());
#elif defined(_3DS)
if (ctr_svchack_successful)
{
unsigned int currentHandle;
@ -461,9 +473,9 @@ int plat_mem_set_exec(void *ptr, size_t size)
}
#elif defined(VITA)
int ret = sceKernelOpenVMDomain();
ret = sceKernelOpenVMDomain();
#else
int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
if (ret != 0 && log_cb)
log_cb(RETRO_LOG_ERROR, "mprotect(%p, %zd) failed: %d\n", ptr, size, errno);
#endif
@ -1380,3 +1392,5 @@ void retro_deinit(void)
vout_buf = NULL;
PicoExit();
}
// vim:shiftwidth=3:ts=3:expandtab