Changeset 071a8ae6 in mainline for arch/ia64/src/mm/frame.c

Timestamp:

2006-02-01T20:54:34Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b5e0bb8

Parents:

ef67bab

Message:

Blacklist addresses between 0xa0000 and 0xfffff on ia64 for frame allocator.
This area contains VGA text frame buffer and should be avoided.
falloc2 test now passes on ia64.

File:

• arch/ia64/src/mm/frame.c (modified) (1 diff)

arch/ia64/src/mm/frame.c

@@ -32 +32 @@
 #include <panic.h>
 
+/*
+ * This is Ski-specific and certainly not sufficient
+ * for real ia64 systems that provide memory map.
+ */
+#define ROM_BASE        0xa0000
+#define ROM_SIZE        (384*1024)
+
 void frame_arch_init(void)
 {
+        /*
+         * Blacklist ROM regions.
+         */
+        frame_region_not_free(ROM_BASE, ROM_SIZE);
         zone_create_in_region(0, config.memory_size & ~(FRAME_SIZE-1));
 }