Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=40435792525c49cf126ba92d223e877acb5ce021
Commit: 40435792525c49cf126ba92d223e877acb5ce021
Parent: 99cce8f7b10716f8fdbaca21a7f3ba000119ad3b
Author: Nicolas Pitre <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 21 15:58:13 2007 +0100
Committer: Russell King <[EMAIL PROTECTED]>
CommitDate: Thu May 3 21:03:48 2007 +0100
[ARM] 4227/1: minor head.S fixups
Let's surround constructs like:
orr r3, r3, #(KERNEL_RAM_PADDR & 0x00f00000)
between .if .endif since (KERNEL_RAM_PADDR & 0x00f00000) is 0 in 99% of
all cases.
Also let's mask PHYS_OFFSET with 0x00f00000 instead of 0x00e00000.
Section mappings are really 1MB not 2MB and the 2MB groupping is
a higher level issue already much better enforced with
#if (PHYS_OFFSET & 0x001fffff)
#error "PHYS_OFFSET must be at an even 2MiB boundary!"
#endif
at the top of the file.
Signed-off-by: Nicolas Pitre <[EMAIL PROTECTED]>
Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
arch/arm/kernel/head.S | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 66db0a9..1d35eda 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -257,7 +257,9 @@ __create_page_tables:
* Map some ram to cover our .data and .bss areas.
*/
orr r3, r7, #(KERNEL_RAM_PADDR & 0xff000000)
+ .if (KERNEL_RAM_PADDR & 0x00f00000)
orr r3, r3, #(KERNEL_RAM_PADDR & 0x00f00000)
+ .endif
add r0, r4, #(KERNEL_RAM_VADDR & 0xff000000) >> 18
str r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> 18]!
ldr r6, =(_end - 1)
@@ -274,7 +276,9 @@ __create_page_tables:
*/
add r0, r4, #PAGE_OFFSET >> 18
orr r6, r7, #(PHYS_OFFSET & 0xff000000)
- orr r6, r6, #(PHYS_OFFSET & 0x00e00000)
+ .if (PHYS_OFFSET & 0x00f00000)
+ orr r6, r6, #(PHYS_OFFSET & 0x00f00000)
+ .endif
str r6, [r0]
#ifdef CONFIG_DEBUG_LL
-
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