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| author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2018-11-09 04:26:39 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2018-11-12 10:51:54 +0000 |
| commit | bc2eca9a682881f9da3cc7e2d75b752e549a134d (patch) | |
| tree | 16fcd1563623fd65ccc04358db0588fcba21cb8b /arch/arm/kernel/head.S | |
| parent | 82c08c3e7f171aa7f579b231d0abbc1d62e91974 (diff) | |
| download | linux-bc2eca9a682881f9da3cc7e2d75b752e549a134d.tar.bz2 | |
ARM: 8811/1: always list both ldrd/strd registers explicitly
The ldrd and strd instructions work on a pair of consecutive registers.
It is possible to specify either the first register in the pair, or both
registers explicitly. Let's always do the later to make things clearer.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/kernel/head.S')
| -rw-r--r-- | arch/arm/kernel/head.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 6b1148cafffd..4485d0404514 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -398,7 +398,7 @@ ENTRY(secondary_startup) ldmia r4, {r5, r7, r12} @ address to jump to after sub lr, r4, r5 @ mmu has been enabled add r3, r7, lr - ldrd r4, [r3, #0] @ get secondary_data.pgdir + ldrd r4, r5, [r3, #0] @ get secondary_data.pgdir ARM_BE8(eor r4, r4, r5) @ Swap r5 and r4 in BE: ARM_BE8(eor r5, r4, r5) @ it can be done in 3 steps ARM_BE8(eor r4, r4, r5) @ without using a temp reg. |