[OpenBIOS] [PATCH 4/7] SPARC64: Remove zero page mapping from MMU to enable detection of NULL pointer dereferences

[Mark Cave-Ayland]

Signed-off-by: Mark Cave-Ayland 
---
 openbios-devel/arch/sparc64/ofmem_sparc64.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openbios-devel/arch/sparc64/ofmem_sparc64.c b/openbios-devel/arch/sparc64/ofmem_sparc64.c
index d0a7d88..005d774 100644
--- a/openbios-devel/arch/sparc64/ofmem_sparc64.c
+++ b/openbios-devel/arch/sparc64/ofmem_sparc64.c
@@ -366,7 +366,7 @@ void ofmem_init( void )
    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");