0f45d7f36b
There is no FSR/FAR register on no-CP15 or MPU cores. This patch adds a dummy abort handler which returns zero for the base restored Data Abort model !CPU_CP15_MMU cores. The abort-lv4t.S is still used with the fix-up for the base updated Data Abort model cores. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
20 lines
435 B
ArmAsm
20 lines
435 B
ArmAsm
#include <linux/linkage.h>
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#include <asm/assembler.h>
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/*
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* Function: nommu_early_abort
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*
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* Params : r2 = address of aborted instruction
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* : r3 = saved SPSR
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*
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* Returns : r0 = 0 (abort address)
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* : r1 = 0 (FSR)
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*
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* Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
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* Just fill zero into the registers.
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*/
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.align 5
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ENTRY(nommu_early_abort)
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mov r0, #0 @ clear r0, r1 (no FSR/FAR)
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mov r1, #0
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mov pc, lr
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