diff mbox series

[v6,08/14] target/arm: Implement PMOVSSET

Message ID 20181010203735.27918-9-aclindsa@gmail.com (mailing list archive)
State New, archived
Headers show
Series More fully implement ARM PMUv3 | expand

Commit Message

Aaron Lindsay Oct. 10, 2018, 8:37 p.m. UTC 
Add an array for PMOVSSET so we only define it for v7ve+ platforms

Signed-off-by: Aaron Lindsay <alindsay@codeaurora.org>
---
 target/arm/helper.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

Comments

Richard Henderson Oct. 15, 2018, 9:26 p.m. UTC | #1 
On 10/10/18 1:37 PM, Aaron Lindsay wrote:
> Add an array for PMOVSSET so we only define it for v7ve+ platforms
> 
> Signed-off-by: Aaron Lindsay <alindsay@codeaurora.org>
> ---
>  target/arm/helper.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~
diff mbox series

Patch

diff --git a/target/arm/helper.c b/target/arm/helper.c
index e804caaced..f3c00c3db0 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1309,6 +1309,13 @@  static void pmovsr_write(CPUARMState *env, const ARMCPRegInfo *ri,
     env->cp15.c9_pmovsr &= ~value;
 }
 
+static void pmovsset_write(CPUARMState *env, const ARMCPRegInfo *ri,
+                         uint64_t value)
+{
+    value &= pmu_counter_mask(env);
+    env->cp15.c9_pmovsr |= value;
+}
+
 static void pmxevtyper_write(CPUARMState *env, const ARMCPRegInfo *ri,
                              uint64_t value)
 {
@@ -1662,6 +1669,24 @@  static const ARMCPRegInfo v7mp_cp_reginfo[] = {
     REGINFO_SENTINEL
 };
 
+static const ARMCPRegInfo pmovsset_cp_reginfo[] = {
+    /* PMOVSSET is not implemented in v7 before v7ve */
+    { .name = "PMOVSSET", .cp = 15, .opc1 = 0, .crn = 9, .crm = 14, .opc2 = 3,
+      .access = PL0_RW, .accessfn = pmreg_access,
+      .type = ARM_CP_ALIAS,
+      .fieldoffset = offsetoflow32(CPUARMState, cp15.c9_pmovsr),
+      .writefn = pmovsset_write,
+      .raw_writefn = raw_write },
+    { .name = "PMOVSSET_EL0", .state = ARM_CP_STATE_AA64,
+      .opc0 = 3, .opc1 = 3, .crn = 9, .crm = 14, .opc2 = 3,
+      .access = PL0_RW, .accessfn = pmreg_access,
+      .type = ARM_CP_ALIAS,
+      .fieldoffset = offsetof(CPUARMState, cp15.c9_pmovsr),
+      .writefn = pmovsset_write,
+      .raw_writefn = raw_write },
+    REGINFO_SENTINEL
+};
+
 static void teecr_write(CPUARMState *env, const ARMCPRegInfo *ri,
                         uint64_t value)
 {
@@ -5116,6 +5141,9 @@  void register_cp_regs_for_features(ARMCPU *cpu)
         !arm_feature(env, ARM_FEATURE_PMSA)) {
         define_arm_cp_regs(cpu, v7mp_cp_reginfo);
     }
+    if (arm_feature(env, ARM_FEATURE_V7VE)) {
+        define_arm_cp_regs(cpu, pmovsset_cp_reginfo);
+    }
     if (arm_feature(env, ARM_FEATURE_V7)) {
         /* v7 performance monitor control register: same implementor
          * field as main ID register, and we implement only the cycle