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[Qemu-devel] [PATCH v5 03/17] target/arm: Split out rebuild_hflags_commo
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v5 03/17] target/arm: Split out rebuild_hflags_common_32 |
Date: |
Tue, 20 Aug 2019 14:07:06 -0700 |
Create a function to compute the values of the TBFLAG_A32 bits
that will be cached, and are used by all profiles.
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/helper.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 02cb43cf58..1844c13a19 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11032,6 +11032,15 @@ static uint32_t rebuild_hflags_common(CPUARMState
*env, int fp_el,
return flags;
}
+static uint32_t rebuild_hflags_common_32(CPUARMState *env, int fp_el,
+ ARMMMUIdx mmu_idx, uint32_t flags)
+{
+ flags = FIELD_DP32(flags, TBFLAG_A32, SCTLR_B, arm_sctlr_b(env));
+ flags = FIELD_DP32(flags, TBFLAG_A32, NS, !access_secure_reg(env));
+
+ return rebuild_hflags_common(env, fp_el, mmu_idx, flags);
+}
+
static uint32_t rebuild_hflags_a64(CPUARMState *env, int el, int fp_el,
ARMMMUIdx mmu_idx)
{
@@ -11103,7 +11112,7 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
ARMMMUIdx mmu_idx = arm_mmu_idx(env);
int current_el = arm_current_el(env);
int fp_el = fp_exception_el(env, current_el);
- uint32_t flags = 0;
+ uint32_t flags;
if (is_a64(env)) {
*pc = env->pc;
@@ -11113,12 +11122,11 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
}
} else {
*pc = env->regs[15];
+ flags = rebuild_hflags_common_32(env, fp_el, mmu_idx, 0);
flags = FIELD_DP32(flags, TBFLAG_A32, THUMB, env->thumb);
flags = FIELD_DP32(flags, TBFLAG_A32, VECLEN, env->vfp.vec_len);
flags = FIELD_DP32(flags, TBFLAG_A32, VECSTRIDE, env->vfp.vec_stride);
flags = FIELD_DP32(flags, TBFLAG_A32, CONDEXEC, env->condexec_bits);
- flags = FIELD_DP32(flags, TBFLAG_A32, SCTLR_B, arm_sctlr_b(env));
- flags = FIELD_DP32(flags, TBFLAG_A32, NS, !access_secure_reg(env));
if (env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30)
|| arm_el_is_aa64(env, 1) || arm_feature(env, ARM_FEATURE_M)) {
flags = FIELD_DP32(flags, TBFLAG_A32, VFPEN, 1);
@@ -11128,8 +11136,6 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
flags = FIELD_DP32(flags, TBFLAG_A32,
XSCALE_CPAR, env->cp15.c15_cpar);
}
-
- flags = rebuild_hflags_common(env, fp_el, mmu_idx, flags);
}
/* The SS_ACTIVE and PSTATE_SS bits correspond to the state machine
--
2.17.1
- [Qemu-devel] [PATCH v5 00/17] target/arm: Reduce overhead of cpu_get_tb_cpu_state, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 01/17] target/arm: Split out rebuild_hflags_common, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 02/17] target/arm: Split out rebuild_hflags_a64, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 06/17] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 03/17] target/arm: Split out rebuild_hflags_common_32,
Richard Henderson <=
- [Qemu-devel] [PATCH v5 09/17] target/arm: Hoist XSCALE_CPAR, VECLEN, VECSTRIDE in cpu_get_tb_cpu_state, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 04/17] target/arm: Split arm_cpu_data_is_big_endian, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 14/17] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 12/17] target/arm: Add arm_rebuild_hflags, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 13/17] target/arm: Split out arm_mmu_idx_el, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 16/17] target/arm: Rebuild hflags at EL changes and MSR writes, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 05/17] target/arm: Split out rebuild_hflags_m32, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 07/17] target/arm: Split out rebuild_hflags_a32, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 08/17] target/arm: Split out rebuild_hflags_aprofile, Richard Henderson, 2019/08/20
- [Qemu-devel] [PATCH v5 10/17] target/arm: Simplify set of PSTATE_SS in cpu_get_tb_cpu_state, Richard Henderson, 2019/08/20