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arm64: Allow hw watchpoint of length 3,5,6 and 7

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Since, arm64 can support all offset within a double word limit. Therefore,
now support other lengths within that range as well.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Pratyush Anand
2016-11-14 19:32:45 +05:30
committed by Will Deacon
parent fdfeff0f9e
commit 0ddb8e0b78
2 changed files with 40 additions and 0 deletions
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4
arch/arm64/include/asm/hw_breakpoint.h
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@@ -77,7 +77,11 @@ static inline void decode_ctrl_reg(u32 reg,
/* Lengths */
#define ARM_BREAKPOINT_LEN_1 0x1
#define ARM_BREAKPOINT_LEN_2 0x3
#define ARM_BREAKPOINT_LEN_3 0x7
#define ARM_BREAKPOINT_LEN_4 0xf
#define ARM_BREAKPOINT_LEN_5 0x1f
#define ARM_BREAKPOINT_LEN_6 0x3f
#define ARM_BREAKPOINT_LEN_7 0x7f
#define ARM_BREAKPOINT_LEN_8 0xff
/* Kernel stepping */