[PULL 42/55] target/arm: Use el_is_in_host for sve_exception_el

Maintainers: Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <r.bolshakov@yadro.com>, Paolo Bonzini <pbonzini@redhat.com>, Riku Voipio <riku.voipio@iki.fi>, Richard Henderson <richard.henderson@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, Ani Sinha <ani@anisinha.ca>, Dongjiu Geng <gengdongjiu1@gmail.com>, Igor Mammedov <imammedo@redhat.com>, Alistair Francis <alistair@alistair23.me>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Fam Zheng <fam@euphon.net>, Hannes Reinecke <hare@suse.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Laurent Vivier <laurent@vivier.eu>, John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>, Beraldo Leal <bleal@redhat.com>, Alexander Graf <agraf@csgraf.de>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Cornelia Huck <cohuck@redhat.com>, Thomas Huth <thuth@redhat.com>, David Hildenbrand <david@redhat.com>, Eduardo Habkost <eduardo@habkost.net>
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[PULL 42/55] target/arm: Use el_is_in_host for sve_exception_el
Posted by Peter Maydell 2 years, 10 months ago
From: Richard Henderson <richard.henderson@linaro.org>

The ARM pseudocode function CheckNormalSVEEnabled uses this
predicate now, and I think it's a bit clearer.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220607203306.657998-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/helper.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 6b17c0f507f..40b60b1eea2 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6170,9 +6170,7 @@ static const ARMCPRegInfo minimal_ras_reginfo[] = {
 int sve_exception_el(CPUARMState *env, int el)
 {
 #ifndef CONFIG_USER_ONLY
-    uint64_t hcr_el2 = arm_hcr_el2_eff(env);
-
-    if (el <= 1 && (hcr_el2 & (HCR_E2H | HCR_TGE)) != (HCR_E2H | HCR_TGE)) {
+    if (el <= 1 && !el_is_in_host(env, el)) {
         switch (FIELD_EX64(env->cp15.cpacr_el1, CPACR_EL1, ZEN)) {
         case 1:
             if (el != 0) {
@@ -6189,6 +6187,7 @@ int sve_exception_el(CPUARMState *env, int el)
      * CPTR_EL2 changes format with HCR_EL2.E2H (regardless of TGE).
      */
     if (el <= 2) {
+        uint64_t hcr_el2 = arm_hcr_el2_eff(env);
         if (hcr_el2 & HCR_E2H) {
             switch (FIELD_EX64(env->cp15.cptr_el[2], CPTR_EL2, ZEN)) {
             case 1:
-- 
2.25.1