From 1a5fd79401ac52789fad34c6b852b947200a6334 Mon Sep 17 00:00:00 2001
From: frangarcj
Date: Tue, 6 Sep 2016 13:49:55 +0200
Subject: (VITA) Some dynarec

---
 frontend/vita/sys/mman.h | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

(limited to 'frontend/vita/sys')

diff --git a/frontend/vita/sys/mman.h b/frontend/vita/sys/mman.h
index 66467f4..89da513 100644
--- a/frontend/vita/sys/mman.h
+++ b/frontend/vita/sys/mman.h
@@ -18,19 +18,32 @@ extern "C" {
 
 static inline void* mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset)
 {
-   (void)addr;
    (void)prot;
    (void)flags;
    (void)fd;
    (void)offset;
 
-   void* addr_out;
+   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);
+   }
+
 
-   addr_out = malloc(len);
-   if(!addr_out)
+   if(!addr)
       return MAP_FAILED;
 
-   return addr_out;
+   return addr;
 }
 
 static inline int mprotect(void *addr, size_t len, int prot)
@@ -43,8 +56,9 @@ static inline int mprotect(void *addr, size_t len, int prot)
 
 static inline int munmap(void *addr, size_t len)
 {
-   free(addr);
-   return 0;
+  int uid = sceKernelFindMemBlockByAddr(addr, len);
+
+  return sceKernelFreeMemBlock(uid);
 
 }
 
@@ -53,4 +67,3 @@ static inline int munmap(void *addr, size_t len)
 #endif
 
 #endif // MMAN_H
-
-- 
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