[PATCH] ARM: Thumb-2: Fix out-of-range offset for Thumb-2 in proc-v7.S
From: Uwe Kleine-König <hidden>
Date: 2011-01-12 08:14:46
On Tue, Jan 11, 2011 at 06:03:33PM -0600, Dave Martin wrote:
The following patch introduces a pre-increment addressing
offset which is out of range for Thumb-2:
ARM: pgtable: switch order of Linux vs hardware page tablesa commit id would be nice here Uwe
quoted hunk ↗ jump to hunk
162: str r3, [r0, #2048]! Thumb-2 only permits offsets <256 for pre-increment addressing. This patch replaces the store instruction with a suitable add-str pair for the Thumb-2 case. Signed-off-by: Dave Martin <redacted> --- KernelVersion: v2.6.37 arch/arm/mm/proc-v7.S | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index b49fab2..0c1172b 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S@@ -159,7 +159,9 @@ ENTRY(cpu_v7_set_pte_ext) tstne r1, #L_PTE_PRESENT moveq r3, #0 - str r3, [r0, #2048]! + ARM( str r3, [r0, #2048]! ) + THUMB( add r0, r0, #2048 ) + THUMB( str r3, [r0] ) mcr p15, 0, r0, c7, c10, 1 @ flush_pte #endif mov pc, lr-- 1.7.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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