From: ben.dooks@codethink.co.uk (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 06/17] ARM: fixup head for atag verification
Date: Fri, 8 Feb 2013 23:17:36 +0000 [thread overview]
Message-ID: <1360365467-25056-7-git-send-email-ben.dooks@codethink.co.uk> (raw)
In-Reply-To: <1360365467-25056-1-git-send-email-ben.dooks@codethink.co.uk>
If we booted LE but running BE8, ensure we read ATAGs data from head code
in the correct mode.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
arch/arm/kernel/head-common.S | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 854bd22..4eb53b2 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -21,6 +21,12 @@
#define OF_DT_MAGIC 0xedfe0dd0 /* 0xd00dfeed in big-endian */
#endif
+#ifdef CONFIG_CPU_BE8_BOOT_LE
+#define BE8_LE(x...) x
+#else
+#define BE8_LE(x...)
+#endif
+
/*
* Exception handling. Something went wrong and we can't proceed. We
* ought to tell the user, but since we don't have any guarantee that
@@ -53,10 +59,12 @@ __vet_atags:
cmp r5, r6
beq 2f
#endif
+BE8_LE( rev r5, r5 )
cmp r5, #ATAG_CORE_SIZE @ is first tag ATAG_CORE?
cmpne r5, #ATAG_CORE_SIZE_EMPTY
bne 1f
ldr r5, [r2, #4]
+BE8_LE( rev r5, r5 )
ldr r6, =ATAG_CORE
cmp r5, r6
bne 1f
--
1.7.10.4
next prev parent reply other threads:[~2013-02-08 23:17 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-08 23:17 ARM big-endian on current kernels for linux-3.8 Ben Dooks
2013-02-08 23:17 ` [PATCH 01/17] ARM: add CPU_BE8_BOOT_LE configuration Ben Dooks
2013-02-09 4:10 ` Nicolas Pitre
2013-02-09 16:46 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 02/17] ARM: set BE8 if LE in head code Ben Dooks
2013-02-09 3:33 ` Nicolas Pitre
2013-02-09 16:47 ` Ben Dooks
2013-02-09 21:38 ` Rob Herring
2013-02-09 21:56 ` Ben Dooks
2013-02-11 19:35 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 03/17] ARM: fix ARCH_IXP4xx usage of ARCH_SUPPORTS_BIG_ENDIAN Ben Dooks
2013-02-08 23:17 ` [PATCH 04/17] ARM: Add ARCH_SUPPORTS_BIG_ENDIAN Ben Dooks
2013-02-09 11:55 ` Russell King - ARM Linux
2013-02-09 16:55 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 05/17] ARM: fixup_pv_table bug when CPU_ENDIAN_BE8 Ben Dooks
2013-02-09 3:40 ` Nicolas Pitre
2013-02-11 19:11 ` Ben Dooks
2013-02-12 21:45 ` Nicolas Pitre
2013-02-08 23:17 ` Ben Dooks [this message]
2013-02-09 3:51 ` [PATCH 06/17] ARM: fixup head for atag verification Nicolas Pitre
2013-02-09 17:09 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 07/17] ARM: twd: data endian fix Ben Dooks
2013-02-08 23:17 ` [PATCH 08/17] ARM: smp_scu: data endian fixes Ben Dooks
2013-02-08 23:17 ` [PATCH 09/17] ARM: add atag32_to_cpu() function Ben Dooks
2013-02-09 3:57 ` Nicolas Pitre
2013-02-09 12:03 ` Russell King - ARM Linux
2013-02-11 19:15 ` Ben Dooks
2013-02-11 19:30 ` Russell King - ARM Linux
2013-02-12 18:46 ` Jean-Christophe PLAGNIOL-VILLARD
2013-02-12 20:34 ` Russell King - ARM Linux
2013-02-08 23:17 ` [PATCH 10/17] ARM: update atag-to-fdt code to be endian agnostic Ben Dooks
2013-02-09 3:57 ` Nicolas Pitre
2013-02-09 12:05 ` Russell King - ARM Linux
2013-02-11 19:16 ` Ben Dooks
2013-02-12 21:53 ` Nicolas Pitre
2013-02-13 11:27 ` Ben Dooks
2013-02-14 4:43 ` Nicolas Pitre
2013-02-15 11:28 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 11/17] ARM: fixup atags " Ben Dooks
2013-02-09 4:03 ` Nicolas Pitre
2013-02-09 12:06 ` Russell King - ARM Linux
2013-02-08 23:17 ` [PATCH 12/17] ARM: fix magic for bootloader in BE8 Ben Dooks
2013-02-09 4:06 ` Nicolas Pitre
2013-02-09 12:08 ` Russell King - ARM Linux
2013-02-12 18:50 ` Jean-Christophe PLAGNIOL-VILLARD
2013-02-12 18:54 ` Ben Dooks
2013-02-12 19:52 ` Jean-Christophe PLAGNIOL-VILLARD
2013-02-11 19:17 ` Ben Dooks
2013-02-12 21:57 ` Nicolas Pitre
2013-02-08 23:17 ` [PATCH 13/17] ARM: pl01x debug code endian fix Ben Dooks
2013-02-09 12:09 ` Russell King - ARM Linux
2013-02-11 19:19 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 14/17] highbank: enable big-endian Ben Dooks
2013-02-09 21:33 ` Rob Herring
2013-02-09 22:00 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 15/17] xgmac: fix printing of hardware version Ben Dooks
2013-02-09 12:10 ` Russell King - ARM Linux
2013-02-09 17:20 ` Ben Dooks
2013-02-09 21:35 ` Rob Herring
2013-02-08 23:17 ` [PATCH 16/17] xgmac: replace __raw with relaxed IO Ben Dooks
2013-02-09 20:59 ` Rob Herring
2013-02-09 22:03 ` Ben Dooks
2013-02-08 23:17 ` [PATCH 17/17] mvebu: support running big-endian Ben Dooks
2013-02-12 17:08 ` ARM big-endian on current kernels for linux-3.8 Thomas Petazzoni
2013-02-12 17:25 ` Ben Dooks
2013-02-12 18:49 ` Thomas Petazzoni
2013-02-12 18:54 ` Ben Dooks
2013-02-13 9:48 ` Thomas Petazzoni
2013-02-12 17:13 ` Russell King - ARM Linux
2013-02-12 17:33 ` Ben Dooks
2013-02-12 22:13 ` Nicolas Pitre
2013-02-13 11:00 ` Ben Dooks
2013-02-13 10:24 ` Matthieu CASTET
2013-02-13 11:18 ` Ben Dooks
2013-02-13 15:52 ` Catalin Marinas
2013-02-13 16:02 ` Ben Dooks
2013-02-13 16:03 ` Arnd Bergmann
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