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Merge from libretro/master:46902e0 for repo synchronization

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kub 2020-12-05 10:21:35 +01:00
parent 9d1ecde692
commit 61d76999d7
74 changed files with 14043 additions and 2094 deletions
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125
platform/switch/mman.h Normal file
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#ifndef MMAN_H
#define MMAN_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <malloc.h>
#include <switch.h>
#include <stdlib.h>
//#include "3ds_utils.h"
#define PROT_READ 0b001
#define PROT_WRITE 0b010
#define PROT_EXEC 0b100
#define MAP_PRIVATE 2
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_FAILED ((void *)-1)
static void *dynarec_cache = NULL;
static void *dynarec_cache_mapping = NULL;
static inline void *mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset)
{
(void)fd;
(void)offset;
//void* addr_out;
Result rc = svcMapPhysicalMemory(addr, len);
if (R_FAILED(rc))
{
printf("mmap failed\n");
return malloc(len);
}
return addr;
// if((prot == (PROT_READ | PROT_WRITE | PROT_EXEC)) &&
// (flags == (MAP_PRIVATE | MAP_ANONYMOUS)))
// {
// if(true)// __ctr_svchax)
// {
// /* this hack works only for pcsx_rearmed */
// uint32_t currentHandle;
//
// if(!dynarec_cache)
// dynarec_cache = memalign(0x1000, len);
//
// //svcDuplicateHandle(&currentHandle, 0xFFFF8001);
// //svcControlProcessMemory(currentHandle, addr, dynarec_cache,
// // len, MEMOP_MAP, prot);
// svcCloseHandle(currentHandle);
// dynarec_cache_mapping = addr;
// return addr;
// }
// else
// {
// printf("tried to mmap RWX pages without svcControlProcessMemory access !\n");
// return MAP_FAILED;
// }
//
// }
// addr_out = memalign(0x1000, len);
// if(!addr_out)
// return MAP_FAILED;
//
// return addr_out;
}
static inline int mprotect(void *addr, size_t len, int prot)
{
return 0;
//if(true) // __ctr_svchax)
//{
// uint32_t currentHandle;
// //svcDuplicateHandle(&currentHandle, 0xFFFF8001);
// //svcControlProcessMemory(currentHandle, addr, NULL,
// // len, MEMOP_PROT, prot);
// svcCloseHandle(currentHandle);
// return 0;
//}
//printf("mprotect called without svcControlProcessMemory access !\n");
//return -1;
}
static inline int munmap(void *addr, size_t len)
{
Result rc = svcUnmapPhysicalMemory(addr, len);
if (R_FAILED(rc))
{
printf("munmap failed\n");
free(addr);
}
return 0;
// if((addr == dynarec_cache_mapping) && true)//__ctr_svchax)
// {
// uint32_t currentHandle;
// //svcDuplicateHandle(&currentHandle, 0xFFFF8001);
// //svcControlProcessMemory(currentHandle,
// // dynarec_cache, dynarec_cache_mapping,
// // len, MEMOP_UNMAP, 0b111);
// svcCloseHandle(currentHandle);
// dynarec_cache_mapping = NULL;
//
// }
// else
free(addr);
return 0;
}
#ifdef __cplusplus
};
#endif
#endif // MMAN_H