| Message ID | 20230907160340.260094-7-peter.maydell@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | target/arm: Implement FEAT_MOPS | expand |
On 9/7/23 09:03, Peter Maydell wrote: > The FEAT_MOPS memory operations can raise a Memory Copy or Memory Set > exception if a copy or set instruction is executed when the CPU > register state is not correct for that instruction. Define the > usual syn_* function that constructs the syndrome register value > for these exceptions. > > Signed-off-by: Peter Maydell<peter.maydell@linaro.org> > --- > target/arm/syndrome.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h index 62254d0e518..e1b419358dd 100644 --- a/target/arm/syndrome.h +++ b/target/arm/syndrome.h @@ -57,6 +57,7 @@ enum arm_exception_class { EC_DATAABORT = 0x24, EC_DATAABORT_SAME_EL = 0x25, EC_SPALIGNMENT = 0x26, + EC_MOP = 0x27, EC_AA32_FPTRAP = 0x28, EC_AA64_FPTRAP = 0x2c, EC_SERROR = 0x2f, @@ -327,4 +328,15 @@ static inline uint32_t syn_serror(uint32_t extra) return (EC_SERROR << ARM_EL_EC_SHIFT) | ARM_EL_IL | extra; } +static inline uint32_t syn_mop(bool is_set, bool is_setg, int options, + bool epilogue, bool wrong_option, bool option_a, + int destreg, int srcreg, int sizereg) +{ + return (EC_MOP << ARM_EL_EC_SHIFT) | ARM_EL_IL | + (is_set << 24) | (is_setg << 23) | (options << 19) | + (epilogue << 18) | (wrong_option << 17) | (option_a << 16) | + (destreg << 10) | (srcreg << 5) | sizereg; +} + + #endif /* TARGET_ARM_SYNDROME_H */
The FEAT_MOPS memory operations can raise a Memory Copy or Memory Set exception if a copy or set instruction is executed when the CPU register state is not correct for that instruction. Define the usual syn_* function that constructs the syndrome register value for these exceptions. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/arm/syndrome.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)