avoid MAP_FIXED, log mappings

MAP_FIXED overrides existing mappings, we don't want that

diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 324071d..cb95cb1 100644 (file)
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -260,6 +260,7 @@ static int ari64_init()
 {
        extern void (*psxCP2[64])();
        extern void psxNULL();
+       extern u_char *out;
        size_t i;
 
        new_dynarec_init();
@@ -289,6 +290,10 @@ static int ari64_init()
        zeromem_ptr = zero_mem;
        scratch_buf_ptr = scratch_buf;
 
+       SysPrintf("Mapped (RAM/scrp/ROM/LUTs/TC):\n");
+       SysPrintf("%08x/%08x/%08x/%08x/%08x\n",
+               psxM, psxH, psxR, mem_rtab, out);
+
        return 0;
 }
 
@@ -388,6 +393,8 @@ int new_dynarec_hacks;
 void *psxH_ptr;
 void *zeromem_ptr;
 u8 zero_mem[0x1000];
+u_char *out;
+void *mem_rtab;
 void *scratch_buf_ptr;
 void new_dynarec_init() { (void)ari64_execute; }
 void new_dyna_start() {}

diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c
index 62bbe26..4da0cf4 100644 (file)
--- a/libpcsxcore/psxmem.c
+++ b/libpcsxcore/psxmem.c
@@ -52,8 +52,9 @@ retry:
                goto out;
        }
 
-       if (is_fixed)
-               flags |= MAP_FIXED;
+       /* avoid MAP_FIXED, it overrides existing mappings.. */
+       /* if (is_fixed)
+               flags |= MAP_FIXED; */
 
        req = (void *)addr;
        ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
@@ -65,6 +66,11 @@ out:
                SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
                        addr, ret);
 
+               if (is_fixed) {
+                       psxUnmap(ret, size, tag);
+                       return NULL;
+               }
+
                if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
                    && !tried_to_align)
                {