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[PATCH v6 18/20] target/arm: Rebuild hflags at CPSR writes
From: |
Richard Henderson |
Subject: |
[PATCH v6 18/20] target/arm: Rebuild hflags at CPSR writes |
Date: |
Fri, 11 Oct 2019 11:55:44 -0400 |
Continue setting, but not relying upon, env->hflags.
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/op_helper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c
index ccc2cecb46..b529d6c1bf 100644
--- a/target/arm/op_helper.c
+++ b/target/arm/op_helper.c
@@ -224,6 +224,7 @@ uint32_t HELPER(usat16)(CPUARMState *env, uint32_t x,
uint32_t shift)
void HELPER(setend)(CPUARMState *env)
{
env->uncached_cpsr ^= CPSR_E;
+ arm_rebuild_hflags(env);
}
/* Function checks whether WFx (WFI/WFE) instructions are set up to be trapped.
@@ -387,6 +388,8 @@ uint32_t HELPER(cpsr_read)(CPUARMState *env)
void HELPER(cpsr_write)(CPUARMState *env, uint32_t val, uint32_t mask)
{
cpsr_write(env, val, mask, CPSRWriteByInstr);
+ /* TODO: Not all cpsr bits are relevant to hflags. */
+ arm_rebuild_hflags(env);
}
/* Write the CPSR for a 32-bit exception return */
--
2.17.1
- [PATCH v6 12/20] target/arm: Add arm_rebuild_hflags, (continued)
- [PATCH v6 12/20] target/arm: Add arm_rebuild_hflags, Richard Henderson, 2019/10/11
- [PATCH v6 14/20] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/11
- [PATCH v6 15/20] target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32}), Richard Henderson, 2019/10/11
- [PATCH v6 17/20] target/arm: Rebuild hflags at MSR writes, Richard Henderson, 2019/10/11
- [PATCH v6 16/20] target/arm: Rebuild hflags at EL changes, Richard Henderson, 2019/10/11
- [PATCH v6 18/20] target/arm: Rebuild hflags at CPSR writes,
Richard Henderson <=
- [PATCH v6 19/20] target/arm: Rebuild hflags for M-profile., Richard Henderson, 2019/10/11
- [PATCH v6 20/20] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/11
- Re: [PATCH v6 00/20] target/arm: Reduce overhead of cpu_get_tb_cpu_state, Peter Maydell, 2019/10/17