[commit] r1295 - trunk/openbios-devel/arch/sparc64

[repository service]

Author: mcayland
Date: Mon May 12 17:43:52 2014
New Revision: 1295
URL: http://tracker.coreboot.org/trac/openbios/changeset/1295

Log:
SPARC64: Remove zero page mapping from MMU to enable detection of NULL pointer dereferences

Signed-off-by: Mark Cave-Ayland

Modified:
   trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c

Modified: trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c
==============================================================================
--- trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c	Mon May 12 17:43:50 2014	(r1294)
+++ trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c	Mon May 12 17:43:52 2014	(r1295)
@@ -366,7 +366,7 @@
    ofmem_walk_boot_map(remap_page_range);

/* Map the memory */
-        ofmem_map_page_range(0, 0, qemu_mem_size, 0x36);
+        ofmem_map_page_range(PAGE_SIZE, PAGE_SIZE, qemu_mem_size, 0x36);

if (!(retained->magic == RETAIN_MAGIC)) {
    	OFMEM_TRACE("ofmem_init: no retained magic found, creating\n");