Messages in this thread Patch in this message | | | From | Yingjoe Chen <> | Subject | [PATCH v2 1/9] ARM: correct secondary_startup_arm mode | Date | Sat, 16 May 2015 15:58:22 +0800 |
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secondary_startup_arm is used as ARM mode secondary start up function when ther kernel is compiled in THUMB mode, however the label itself is still in .thumb mode. readelf shows:
160979: c020a581 120 FUNC GLOBAL DEFAULT 2 secondary_startup_arm
Make sure the label is in ARM mode as well.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com> --- arch/arm/kernel/head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 3637973..58ee8a2 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -346,8 +346,8 @@ __turn_mmu_on_loc: #if defined(CONFIG_SMP) .text -ENTRY(secondary_startup_arm) .arm +ENTRY(secondary_startup_arm) THUMB( adr r9, BSYM(1f) ) @ Kernel is entered in ARM. THUMB( bx r9 ) @ If this is a Thumb-2 kernel, THUMB( .thumb ) @ switch to Thumb now. -- 1.8.1.1.dirty
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