diff options
Diffstat (limited to 'target-arm/op_helper.c')
-rw-r--r-- | target-arm/op_helper.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index 6cd54c8..fdea907 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -386,6 +386,16 @@ void HELPER(cpsr_write)(CPUARMState *env, uint32_t val, uint32_t mask) cpsr_write(env, val, mask); } +void HELPER(cpsr_write_nzcv)(CPUARMState *env, uint32_t val, uint32_t mask) +{ + if (mask & CPSR_NZCV) { + env->ZF = (~val) & CPSR_Z; + env->NF = val; + env->CF = (val >> 29) & 1; + env->VF = (val << 3) & 0x80000000; + } +} + /* Access to user mode registers from privileged modes. */ uint32_t HELPER(get_user_reg)(CPUARMState *env, uint32_t regno) { |