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authorLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 14:02:16 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 14:02:16 -0700
commitbe15cd72d256e5eb3261a781b8507fac83ab33f6 (patch)
tree1a8f95a9960e03149d27d935da25b768878feb3e /include/asm-arm/memory.h
parente9d52234e35b27ea4ea5f2ab64ca47b1a0c740ab (diff)
parent37d07b72ef58f2d5ec7701ab75084fbeee0e503e (diff)
downloadop-kernel-dev-be15cd72d256e5eb3261a781b8507fac83ab33f6.zip
op-kernel-dev-be15cd72d256e5eb3261a781b8507fac83ab33f6.tar.gz
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'include/asm-arm/memory.h')
-rw-r--r--include/asm-arm/memory.h25
1 files changed, 21 insertions, 4 deletions
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index a8a933a..a547ee5 100644
--- a/include/asm-arm/memory.h
+++ b/include/asm-arm/memory.h
@@ -12,6 +12,16 @@
#ifndef __ASM_ARM_MEMORY_H
#define __ASM_ARM_MEMORY_H
+/*
+ * Allow for constants defined here to be used from assembly code
+ * by prepending the UL suffix only with actual C code compilation.
+ */
+#ifndef __ASSEMBLY__
+#define UL(x) (x##UL)
+#else
+#define UL(x) (x)
+#endif
+
#include <linux/config.h>
#include <linux/compiler.h>
#include <asm/arch/memory.h>
@@ -21,20 +31,20 @@
* TASK_SIZE - the maximum size of a user space task.
* TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
*/
-#define TASK_SIZE (0xbf000000UL)
-#define TASK_UNMAPPED_BASE (0x40000000UL)
+#define TASK_SIZE UL(0xbf000000)
+#define TASK_UNMAPPED_BASE UL(0x40000000)
#endif
/*
* The maximum size of a 26-bit user space task.
*/
-#define TASK_SIZE_26 (0x04000000UL)
+#define TASK_SIZE_26 UL(0x04000000)
/*
* Page offset: 3GB
*/
#ifndef PAGE_OFFSET
-#define PAGE_OFFSET (0xc0000000UL)
+#define PAGE_OFFSET UL(0xc0000000)
#endif
/*
@@ -58,6 +68,13 @@
#error Top of user space clashes with start of module space
#endif
+/*
+ * The XIP kernel gets mapped at the bottom of the module vm area.
+ * Since we use sections to map it, this macro replaces the physical address
+ * with its virtual address while keeping offset from the base section.
+ */
+#define XIP_VIRT_ADDR(physaddr) (MODULE_START + ((physaddr) & 0x000fffff))
+
#ifndef __ASSEMBLY__
/*
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