Changeset 071a8ae6 in mainline

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.

Files:

• arch/ia64/src/mm/frame.c (modified) (1 diff)
• arch/sparc64/include/mm/page.h (modified) (1 diff)
• genarch/src/mm/page_ht.c (modified) (1 diff)
• generic/src/main/main.c (modified) (1 diff)
• generic/src/mm/as.c (modified) (2 diffs)

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

genarch/src/mm/page_ht.c

@@ -57 +57 @@
 page_operations_t page_ht_operations = {
         .mapping_insert = ht_mapping_insert,
-        .mapping_find = ht_mapping_find,
+        .mapping_find = ht_mapping_find
 };
 

generic/src/main/main.c

@@ -78 +78 @@
 size_t init_size = 0;
 
-/** Kernel address space. */
-as_t *AS_KERNEL = NULL;
-
 void main_bsp(void);
 void main_ap(void);

generic/src/mm/as.c

@@ -57 +57 @@
 as_operations_t *as_operations = NULL;
 
+/** Kernel address space. */
+as_t *AS_KERNEL = NULL;
+
 static int get_area_flags(as_area_t *a);
 
@@ -68 +71 @@
 }
 
-/** Create address space. */
+/** Create address space.
+ *
+ * @param flags Flags that influence way in wich the address space is created.
+ */
 as_t *as_create(int flags)
 {