diff options
Diffstat (limited to 'frontend/vita/sys/mman.h')
-rw-r--r-- | frontend/vita/sys/mman.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/frontend/vita/sys/mman.h b/frontend/vita/sys/mman.h new file mode 100644 index 0000000..89da513 --- /dev/null +++ b/frontend/vita/sys/mman.h @@ -0,0 +1,69 @@ +#ifndef MMAN_H +#define MMAN_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "stdlib.h" +#include "stdio.h" + +#define PROT_READ 0b001 +#define PROT_WRITE 0b010 +#define PROT_EXEC 0b100 +#define MAP_PRIVATE 2 +#define MAP_ANONYMOUS 0x20 + +#define MAP_FAILED ((void *)-1) + +static inline void* mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset) +{ + (void)prot; + (void)flags; + (void)fd; + (void)offset; + + int block, ret; + + block = sceKernelAllocMemBlockForVM("code", len); + if(block<=0){ + sceClibPrintf("could not alloc mem block @0x%08X 0x%08X \n", block, len); + exit(1); + } + + // get base address + ret = sceKernelGetMemBlockBase(block, &addr); + if (ret < 0) + { + sceClibPrintf("could get address @0x%08X 0x%08X \n", block, addr); + exit(1); + } + + + if(!addr) + return MAP_FAILED; + + return addr; +} + +static inline int mprotect(void *addr, size_t len, int prot) +{ + (void)addr; + (void)len; + (void)prot; + return 0; +} + +static inline int munmap(void *addr, size_t len) +{ + int uid = sceKernelFindMemBlockByAddr(addr, len); + + return sceKernelFreeMemBlock(uid); + +} + +#ifdef __cplusplus +}; +#endif + +#endif // MMAN_H |