diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2024-02-02 12:30:27 +0000 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2024-02-12 23:04:40 +0100 |
| commit | 9d6e21ddf20293b3880ae55b9d14de91c5891c59 (patch) | |
| tree | 9635e60f51ed938cfc63626b3a875ee3409fc991 /arch | |
| parent | 11ba1728be3edb6928791f4c622f154ebe228ae6 (diff) | |
MIPS: Clear Cause.BD in instruction_pointer_set
Clear Cause.BD after we use instruction_pointer_set to override
EPC.
This can prevent exception_epc check against instruction code at
new return address.
It won't be considered as "in delay slot" after epc being overridden
anyway.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/ptrace.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index 701a233583c2..d14d0e37ad02 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -60,6 +60,7 @@ static inline void instruction_pointer_set(struct pt_regs *regs, unsigned long val) { regs->cp0_epc = val; + regs->cp0_cause &= ~CAUSEF_BD; } /* Query offset/name of register from its name/offset */ |