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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-09-12 12:02:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-12 12:02:26 +0100 |
| commit | ddd559b13f6d2fe3ad68c4b3f5235fd3c2eae4e3 (patch) | |
| tree | d827bca3fc825a0ac33efbcd493713be40fcc812 /arch/arm/kernel/setup.c | |
| parent | cf7a2b4fb6a9b86779930a0a123b0df41aa9208f (diff) | |
| parent | f17a1f06d2fa93f4825be572622eb02c4894db4e (diff) | |
Merge branch 'devel-stable' into devel
Conflicts:
MAINTAINERS
arch/arm/mm/fault.c
Diffstat (limited to 'arch/arm/kernel/setup.c')
| -rw-r--r-- | arch/arm/kernel/setup.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index bc5e4128f9f..d4d4f77c91b 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -25,6 +25,7 @@ #include <linux/smp.h> #include <linux/fs.h> +#include <asm/unified.h> #include <asm/cpu.h> #include <asm/cputype.h> #include <asm/elf.h> @@ -327,25 +328,38 @@ void cpu_init(void) } /* + * Define the placement constraint for the inline asm directive below. + * In Thumb-2, msr with an immediate value is not allowed. + */ +#ifdef CONFIG_THUMB2_KERNEL +#define PLC "r" +#else +#define PLC "I" +#endif + + /* * setup stacks for re-entrant exception handlers */ __asm__ ( "msr cpsr_c, %1\n\t" - "add sp, %0, %2\n\t" + "add r14, %0, %2\n\t" + "mov sp, r14\n\t" "msr cpsr_c, %3\n\t" - "add sp, %0, %4\n\t" + "add r14, %0, %4\n\t" + "mov sp, r14\n\t" "msr cpsr_c, %5\n\t" - "add sp, %0, %6\n\t" + "add r14, %0, %6\n\t" + "mov sp, r14\n\t" "msr cpsr_c, %7" : : "r" (stk), - "I" (PSR_F_BIT | PSR_I_BIT | IRQ_MODE), + PLC (PSR_F_BIT | PSR_I_BIT | IRQ_MODE), "I" (offsetof(struct stack, irq[0])), - "I" (PSR_F_BIT | PSR_I_BIT | ABT_MODE), + PLC (PSR_F_BIT | PSR_I_BIT | ABT_MODE), "I" (offsetof(struct stack, abt[0])), - "I" (PSR_F_BIT | PSR_I_BIT | UND_MODE), + PLC (PSR_F_BIT | PSR_I_BIT | UND_MODE), "I" (offsetof(struct stack, und[0])), - "I" (PSR_F_BIT | PSR_I_BIT | SVC_MODE) + PLC (PSR_F_BIT | PSR_I_BIT | SVC_MODE) : "r14"); } |