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[Qemu-devel] [PATCH v2 6/7] target-arm: Implement pmccfiltr_write functi
From: |
Alistair Francis |
Subject: |
[Qemu-devel] [PATCH v2 6/7] target-arm: Implement pmccfiltr_write function |
Date: |
Thu, 26 Jun 2014 15:02:43 +1000 |
This is the function that is called when writing to the
PMCCFILTR_EL0 register
Signed-off-by: Alistair Francis <address@hidden>
---
target-arm/helper.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 0bd00cb..e78c5a7 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -664,6 +664,14 @@ static void pmccntr_write(CPUARMState *env, const
ARMCPRegInfo *ri,
}
#endif
+static void pmccfiltr_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ pmccntr_sync(env);
+ env->cp15.pmccfiltr_el0 = value & 0x7E000000;
+ pmccntr_sync(env);
+}
+
static void pmcntenset_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
{
@@ -826,6 +834,7 @@ static const ARMCPRegInfo v7_cp_reginfo[] = {
#endif
{ .name = "PMCCFILTR_EL0", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 3, .crn = 14, .crm = 15, .opc2 = 7,
+ .writefn = pmccfiltr_write,
.access = PL0_RW, .accessfn = pmreg_access,
.state = ARM_CP_STATE_AA64,
.resetvalue = 0,
--
1.7.1
- [Qemu-devel] [PATCH v2 0/7] target-arm: Extend PMCCNTR for ARMv8, Alistair Francis, 2014/06/26
- [Qemu-devel] [PATCH v2 1/7] target-arm: Make the ARM PMCCNTR register 64-bit, Alistair Francis, 2014/06/26
- [Qemu-devel] [PATCH v2 2/7] target-arm: Implement PMCCNTR_EL0 and related registers, Alistair Francis, 2014/06/26
- [Qemu-devel] [PATCH v2 3/7] target-arm: Add arm_ccnt_enabled function, Alistair Francis, 2014/06/26
- [Qemu-devel] [PATCH v2 4/7] target-arm: Implement pmccntr_sync function, Alistair Francis, 2014/06/26
- [Qemu-devel] [PATCH v2 5/7] target-arm: Remove old code and replace with new functions, Alistair Francis, 2014/06/26
- [Qemu-devel] [PATCH v2 6/7] target-arm: Implement pmccfiltr_write function,
Alistair Francis <=
- [Qemu-devel] [PATCH v2 7/7] target-arm: Call the pmccntr_sync function when swapping ELs, Alistair Francis, 2014/06/26