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authorTimothy Pearson <tpearson@raptorengineering.com>2019-11-29 19:00:14 -0600
committerTimothy Pearson <tpearson@raptorengineering.com>2019-11-29 19:02:28 -0600
commit4b3250c5073149c59c5c11e06c2c0d93b6a9f5ff (patch)
treedce73321255f834f7b2d4c16fa49760edb534f27 /target-arm/op_helper.c
parenta58047f7fbb055677e45c9a7d65ba40fbfad4b92 (diff)
downloadhqemu-4b3250c5073149c59c5c11e06c2c0d93b6a9f5ff.zip
hqemu-4b3250c5073149c59c5c11e06c2c0d93b6a9f5ff.tar.gz
Initial overlay of HQEMU 2.5.2 changes onto underlying 2.5.1 QEMU GIT tree2.5.1_overlay
Diffstat (limited to 'target-arm/op_helper.c')
-rw-r--r--target-arm/op_helper.c10
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)
{
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