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authorJinjie Ruan <ruanjinjie@huawei.com>2024-04-19 14:32:56 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-04-25 10:21:04 +0100
commit2b0d2ab895022814da13127e47c17890690488da (patch)
treeac4edd53cbd61046ccedbb6436ec2b7ed7d09e0d /target/arm/helper.c
parent5da72194df36535d773c8bdc951529ecd5e31707 (diff)
downloadfocaccia-qemu-2b0d2ab895022814da13127e47c17890690488da.tar.gz
focaccia-qemu-2b0d2ab895022814da13127e47c17890690488da.zip
target/arm: Handle HCR_EL2 accesses for bits introduced with FEAT_NMI
FEAT_NMI defines another three new bits in HCRX_EL2: TALLINT, HCRX_VINMI and
HCRX_VFNMI. When the feature is enabled, allow these bits to be written in
HCRX_EL2.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-2-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/helper.c')
-rw-r--r--target/arm/helper.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index a620481d7c..7a25ea65c9 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6187,13 +6187,19 @@ bool el_is_in_host(CPUARMState *env, int el)
 static void hcrx_write(CPUARMState *env, const ARMCPRegInfo *ri,
                        uint64_t value)
 {
+    ARMCPU *cpu = env_archcpu(env);
     uint64_t valid_mask = 0;
 
     /* FEAT_MOPS adds MSCEn and MCE2 */
-    if (cpu_isar_feature(aa64_mops, env_archcpu(env))) {
+    if (cpu_isar_feature(aa64_mops, cpu)) {
         valid_mask |= HCRX_MSCEN | HCRX_MCE2;
     }
 
+    /* FEAT_NMI adds TALLINT, VINMI and VFNMI */
+    if (cpu_isar_feature(aa64_nmi, cpu)) {
+        valid_mask |= HCRX_TALLINT | HCRX_VINMI | HCRX_VFNMI;
+    }
+
     /* Clear RES0 bits.  */
     env->cp15.hcrx_el2 = value & valid_mask;
 }