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| author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:25:14 -0600 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:25:14 -0600 |
| commit | d7b5e291ffb166239c44682af2363080c72888aa (patch) | |
| tree | 226ff4668e6e5fd9309d792181bb54e256032338 /target-arm/op_helper.c | |
| parent | a8c40fa2d667e585382080db36ac44e216b37a1c (diff) | |
| download | hqemu-d7b5e291ffb166239c44682af2363080c72888aa.zip hqemu-d7b5e291ffb166239c44682af2363080c72888aa.tar.gz | |
Initial overlay of HQEMU 2.5.2 changes onto underlying 2.5.0 QEMU GIT tree2.5_overlay
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) { |
