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-rw-r--r--frontend/vita/sys/mman.h69
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