frontend/pollux: wiz: move tables to upper memory to free some RAM

[pcsx_rearmed.git] / frontend / plat_pollux.c

diff --git a/frontend/plat_pollux.c b/frontend/plat_pollux.c
index 589049c..1dafb7c 100644 (file)
--- a/frontend/plat_pollux.c
+++ b/frontend/plat_pollux.c
@@ -653,6 +653,22 @@ void plat_finish(void)
        close(memdev);
 }
 
+/* WIZ RAM lack workaround */
+void *memtab_mmap(void *addr, size_t size)
+{
+       void *ret;
+
+       if (gp2x_dev_id != GP2X_DEV_WIZ)
+               return mmap(addr, size, PROT_READ | PROT_WRITE,
+                       MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
+
+       ret = mmap(addr, size, PROT_READ | PROT_WRITE,
+               MAP_SHARED | MAP_FIXED, memdev, 0x03000000);
+       if (ret != MAP_FAILED)
+               warm_change_cb_range(WCB_C_BIT | WCB_B_BIT, 1, ret, size);
+       return ret;
+}
+
 /* Caanoo stuff, perhaps move later */
 static const char * const caanoo_keys[KEY_MAX + 1] = {
        [0 ... KEY_MAX] = NULL,