lightrec: Enable code buffer support

[pcsx_rearmed.git] / libpcsxcore / lightrec / mem.c

diff --git a/libpcsxcore/lightrec/mem.c b/libpcsxcore/lightrec/mem.c
index c3a1421..ff67e3d 100644 (file)
--- a/libpcsxcore/lightrec/mem.c
+++ b/libpcsxcore/lightrec/mem.c
@@ -31,6 +31,8 @@
 #define MFD_HUGETLB 0x0004
 #endif
 
+void *code_buffer;
+
 static const uintptr_t supported_io_bases[] = {
        0x0,
        0x10000000,
@@ -171,8 +173,22 @@ int lightrec_init_mmap(void)
 
        psxH = (s8 *)map;
 
+       map = mmap_huge((void *)(base + 0x800000), CODE_BUFFER_SIZE,
+                       PROT_EXEC | PROT_READ | PROT_WRITE,
+                       MAP_PRIVATE | MAP_FIXED_NOREPLACE | MAP_ANONYMOUS,
+                       0, 0);
+       if (map == MAP_FAILED) {
+               err = -EINVAL;
+               fprintf(stderr, "Unable to mmap code buffer\n");
+               goto err_unmap_scratch;
+       }
+
+       code_buffer = map;
+
        return 0;
 
+err_unmap_scratch:
+       munmap(psxH, 0x10000);
 err_unmap_bios:
        munmap(psxR, 0x80000);
 err_unmap_parallel:
@@ -187,6 +203,7 @@ void lightrec_free_mmap(void)
 {
        unsigned int i;
 
+       munmap(code_buffer, CODE_BUFFER_SIZE);
        munmap(psxH, 0x10000);
        munmap(psxR, 0x80000);
        munmap(psxP, 0x10000);