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authorRichard Henderson <richard.henderson@linaro.org>2022-06-20 10:51:52 -0700
committerPeter Maydell <peter.maydell@linaro.org>2022-06-27 11:18:17 +0100
commita3637e8882f9dbb00036ff77a88b841bd2580900 (patch)
treeed5b8dda8291d86f3df4abbe721731945344ab72 /target
parentd5b1223ac1ddf8f706f5e6feaaa526df8287f8b1 (diff)
target/arm: Add PSTATE.{SM,ZA} to TB flags
These are required to determine if various insns are allowed to issue. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220620175235.60881-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
-rw-r--r--target/arm/cpu.h2
-rw-r--r--target/arm/helper.c4
-rw-r--r--target/arm/translate-a64.c2
-rw-r--r--target/arm/translate.h4
4 files changed, 12 insertions, 0 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index dec52c6c3b..05d369e690 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3160,6 +3160,8 @@ FIELD(TBFLAG_A64, TCMA, 16, 2)
FIELD(TBFLAG_A64, MTE_ACTIVE, 18, 1)
FIELD(TBFLAG_A64, MTE0_ACTIVE, 19, 1)
FIELD(TBFLAG_A64, SMEEXC_EL, 20, 2)
+FIELD(TBFLAG_A64, PSTATE_SM, 22, 1)
+FIELD(TBFLAG_A64, PSTATE_ZA, 23, 1)
/*
* Helpers for using the above.
diff --git a/target/arm/helper.c b/target/arm/helper.c
index bbd04fbd67..e06c054c3d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11335,6 +11335,10 @@ static CPUARMTBFlags rebuild_hflags_a64(CPUARMState *env, int el, int fp_el,
}
if (cpu_isar_feature(aa64_sme, env_archcpu(env))) {
DP_TBFLAG_A64(flags, SMEEXC_EL, sme_exception_el(env, el));
+ if (FIELD_EX64(env->svcr, SVCR, SM)) {
+ DP_TBFLAG_A64(flags, PSTATE_SM, 1);
+ }
+ DP_TBFLAG_A64(flags, PSTATE_ZA, FIELD_EX64(env->svcr, SVCR, ZA));
}
sctlr = regime_sctlr(env, stage1);
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 8f609f46b6..5cf4a283ba 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -14630,6 +14630,8 @@ static void aarch64_tr_init_disas_context(DisasContextBase *dcbase,
dc->ata = EX_TBFLAG_A64(tb_flags, ATA);
dc->mte_active[0] = EX_TBFLAG_A64(tb_flags, MTE_ACTIVE);
dc->mte_active[1] = EX_TBFLAG_A64(tb_flags, MTE0_ACTIVE);
+ dc->pstate_sm = EX_TBFLAG_A64(tb_flags, PSTATE_SM);
+ dc->pstate_za = EX_TBFLAG_A64(tb_flags, PSTATE_ZA);
dc->vec_len = 0;
dc->vec_stride = 0;
dc->cp_regs = arm_cpu->cp_regs;
diff --git a/target/arm/translate.h b/target/arm/translate.h
index c88c953325..93766649f7 100644
--- a/target/arm/translate.h
+++ b/target/arm/translate.h
@@ -97,6 +97,10 @@ typedef struct DisasContext {
bool align_mem;
/* True if PSTATE.IL is set */
bool pstate_il;
+ /* True if PSTATE.SM is set. */
+ bool pstate_sm;
+ /* True if PSTATE.ZA is set. */
+ bool pstate_za;
/* True if MVE insns are definitely not predicated by VPR or LTPSIZE */
bool mve_no_pred;
/*