X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fshadow.c;h=ed530e0296548d768111db923601d0f53f27e96d;hb=244caf86f11f5f65d166d91704f64cb673167abc;hp=391257bfcf65cbfa107c0e17bcd707c25ffe09bf;hpb=5bd01de26257849f36d361018c3ec17aa29b0218;p=seabios.git

diff --git a/src/shadow.c b/src/shadow.c
index 391257b..ed530e0 100644
--- a/src/shadow.c
+++ b/src/shadow.c
@@ -136,3 +136,16 @@ make_bios_readonly(void)
         dprintf(1, "Unable to lock ram - bridge not found\n");
     }
 }
+
+void
+qemu_prep_reset(void)
+{
+    if (CONFIG_COREBOOT)
+        return;
+    // QEMU doesn't map 0xc0000-0xfffff back to the original rom on a
+    // reset, so do that manually before invoking a hard reset.
+    make_bios_writable();
+    extern u8 code32flat_start[], code32flat_end[];
+    memcpy(code32flat_start, code32flat_start + BIOS_SRC_OFFSET
+           , code32flat_end - code32flat_start);
+}