[OpenBIOS] [commit] r1116 - in trunk/openbios-devel: arch/ppc/qemu arch/sparc32 arch/sparc64 forth/device

[repository service]

Author: mcayland
Date: Tue Apr  9 21:25:46 2013
New Revision: 1116
URL: http://tracker.coreboot.org/trac/openbios/changeset/1116

Log:
Revert "Remove /chosen "mmu" property from the default device tree."

This reverts commit 0bfdafe64f0e7e0a3a692292c82ed22df4d2188b as it accidentally
contained parts of a subsequent patch.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>

Modified:
   trunk/openbios-devel/arch/ppc/qemu/ofmem.c
   trunk/openbios-devel/arch/sparc32/lib.c
   trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c
   trunk/openbios-devel/forth/device/tree.fs

Modified: trunk/openbios-devel/arch/ppc/qemu/ofmem.c
==============================================================================
--- trunk/openbios-devel/arch/ppc/qemu/ofmem.c	Tue Apr  9 21:17:02 2013	(r1115)
+++ trunk/openbios-devel/arch/ppc/qemu/ofmem.c	Tue Apr  9 21:25:46 2013	(r1116)
@@ -549,10 +549,9 @@
 {
     ofmem_t *ofmem = ofmem_arch_get_private();
 
-    /* Map the memory (don't map page 0 to allow catching of NULL dereferences) */
-    ofmem_claim_phys(PAGE_SIZE, get_ram_bottom() - PAGE_SIZE, 0);
-    ofmem_claim_virt(PAGE_SIZE, get_ram_bottom() - PAGE_SIZE, 0);
-    ofmem_map(PAGE_SIZE, PAGE_SIZE, get_ram_bottom() - PAGE_SIZE, 0);
+    ofmem_claim_phys(0, get_ram_bottom(), 0);
+    ofmem_claim_virt(0, get_ram_bottom(), 0);
+    ofmem_map(0, 0, get_ram_bottom(), 0);
 
     /* Map everything at the top of physical RAM 1:1, minus the OpenBIOS ROM in RAM copy */
     ofmem_claim_phys(get_ram_top(), get_hash_base() + HASH_SIZE - get_ram_top(), 0);

Modified: trunk/openbios-devel/arch/sparc32/lib.c
==============================================================================
--- trunk/openbios-devel/arch/sparc32/lib.c	Tue Apr  9 21:17:02 2013	(r1115)
+++ trunk/openbios-devel/arch/sparc32/lib.c	Tue Apr  9 21:25:46 2013	(r1116)
@@ -403,9 +403,9 @@
     ofmem_arch_map_pages(pa, va, size, ofmem_arch_default_translation_mode(pa));
     ofmem_map_page_range(pa, va, size, ofmem_arch_default_translation_mode(pa));
 
-    // 1:1 mapping for RAM (don't map page 0 to allow catching of NULL dereferences)
-    ofmem_arch_map_pages(PAGE_SIZE, PAGE_SIZE, LOWMEMSZ - PAGE_SIZE, ofmem_arch_default_translation_mode(0));
-    ofmem_map_page_range(PAGE_SIZE, PAGE_SIZE, LOWMEMSZ - PAGE_SIZE, ofmem_arch_default_translation_mode(0));
+    // 1:1 mapping for RAM
+    ofmem_arch_map_pages(0, 0, LOWMEMSZ, ofmem_arch_default_translation_mode(0));
+    ofmem_map_page_range(0, 0, LOWMEMSZ, ofmem_arch_default_translation_mode(0));
 
     /*
      * Flush cache

Modified: trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c
==============================================================================
--- trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c	Tue Apr  9 21:17:02 2013	(r1115)
+++ trunk/openbios-devel/arch/sparc64/ofmem_sparc64.c	Tue Apr  9 21:25:46 2013	(r1116)
@@ -365,8 +365,8 @@
 	/* inherit translations set up by entry.S */
 	ofmem_walk_boot_map(remap_page_range);
 
-        /* Map the memory (don't map page 0 to allow catching of NULL dereferences) */
-        ofmem_map_page_range(PAGE_SIZE, PAGE_SIZE, qemu_mem_size - PAGE_SIZE, 0x36);
+        /* Map the memory */
+        ofmem_map_page_range(0, 0, qemu_mem_size, 0x36);
 
 	if (!(retained->magic == RETAIN_MAGIC)) {
 		OFMEM_TRACE("ofmem_init: no retained magic found, creating\n");

Modified: trunk/openbios-devel/forth/device/tree.fs
==============================================================================
--- trunk/openbios-devel/forth/device/tree.fs	Tue Apr  9 21:17:02 2013	(r1115)
+++ trunk/openbios-devel/forth/device/tree.fs	Tue Apr  9 21:25:46 2013	(r1116)
@@ -54,6 +54,7 @@
   \ " hda1:/boot/vmunix" encode-string " bootpath" property
   \ " -as" encode-string " bootargs" property
   0 encode-int " memory" property
+  0 encode-int " mmu" property
 finish-device
   
 \ END