[PATCH v7 03/73] target/arm: Enable TCR2_ELx.PIE

Richard Henderson posted 73 patches 1 month, 1 week ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>, Laurent Vivier <laurent@vivier.eu>, Peter Maydell <peter.maydell@linaro.org>, Alex Williamson <alex.williamson@redhat.com>, "Cédric Le Goater" <clg@redhat.com>, Radoslaw Biernacki <rad@semihalf.com>, Leif Lindholm <leif.lindholm@oss.qualcomm.com>
[PATCH v7 03/73] target/arm: Enable TCR2_ELx.PIE
Posted by Richard Henderson 1 month, 1 week ago
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/helper.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index b7bf45afc1..c9ebdf144e 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -5902,8 +5902,12 @@ static CPAccessResult tcr2_el1_access(CPUARMState *env, const ARMCPRegInfo *ri,
 static void tcr2_el1_write(CPUARMState *env, const ARMCPRegInfo *ri,
                            uint64_t value)
 {
+    ARMCPU *cpu = env_archcpu(env);
     uint64_t valid_mask = 0;
 
+    if (cpu_isar_feature(aa64_s1pie, cpu)) {
+        valid_mask |= TCR2_PIE;
+    }
     value &= valid_mask;
     raw_write(env, ri, value);
 }
@@ -5911,8 +5915,12 @@ static void tcr2_el1_write(CPUARMState *env, const ARMCPRegInfo *ri,
 static void tcr2_el2_write(CPUARMState *env, const ARMCPRegInfo *ri,
                            uint64_t value)
 {
+    ARMCPU *cpu = env_archcpu(env);
     uint64_t valid_mask = 0;
 
+    if (cpu_isar_feature(aa64_s1pie, cpu)) {
+        valid_mask |= TCR2_PIE;
+    }
     value &= valid_mask;
     raw_write(env, ri, value);
 }
-- 
2.43.0