avoid MAP_FIXED, log mappings

[pcsx_rearmed.git] / libpcsxcore / psxmem.c

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)
                {