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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-24 13:32:52 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-24 13:32:52 +0200 |
| commit | 88987ef91b99cf99bc5d167caeb31d4958fbf931 (patch) | |
| tree | 95557c2fe408ad98d9547025ae98b0d0c1377aa2 /arch/arm/kernel | |
| parent | Linux 2.6.31-rc4 (diff) | |
| download | linux-88987ef91b99cf99bc5d167caeb31d4958fbf931.tar.xz linux-88987ef91b99cf99bc5d167caeb31d4958fbf931.zip | |
Thumb-2: Add some .align statements to the .S files
Since the Thumb-2 instructions can be 16-bit wide, data in the .text
sections may not be aligned to a 32-bit word and this leads to unaligned
exceptions. This patch does not affect the ARM code generation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/head-common.S | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index fc8af43c5000..0befd1cabf45 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -1065,6 +1065,10 @@ vector_\name: ldr lr, [pc, lr, lsl #2] movs pc, lr @ branch to handler in SVC mode ENDPROC(vector_\name) + + .align 2 + @ handler addresses follow this label +1: .endm .globl __stubs_start diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index 991952c644d1..dbfaef07a1f4 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -14,6 +14,7 @@ #define ATAG_CORE 0x54410001 #define ATAG_CORE_SIZE ((2*4 + 3*4) >> 2) + .align 2 .type __switch_data, %object __switch_data: .long __mmap_switched @@ -185,6 +186,7 @@ ENDPROC(lookup_processor_type) * Look in <asm/procinfo.h> and arch/arm/kernel/arch.[ch] for * more information about the __proc_info and __arch_info structures. */ + .align 2 .long __proc_info_begin .long __proc_info_end 3: .long . |