Changeset 071a8ae6 in mainline for arch

Timestamp:

2006-02-01T20:54:34Z (20 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.

Location:

arch

Files:

• ia64/src/mm/frame.c (modified) (1 diff)
• sparc64/include/mm/page.h (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));
 }

arch/sparc64/include/mm/page.h

@@ -42 +42 @@
 
 /** Implementation of page hash table interface. */
-#define HT_WIDTH_ARCH                   20      /* 1M */
+#define HT_WIDTH_ARCH                   FRAME_WIDTH
 #define HT_HASH_ARCH(page, asid)        0
 #define HT_COMPARE_ARCH(page, asid, t)  0