Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/cpu-qom.h | 1 +
target/arm/cpu.h | 11 +++++----
target/arm/cpu.c | 2 ++
target/arm/helper.c | 57 ++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 66 insertions(+), 5 deletions(-)
diff --git a/target/arm/cpu-qom.h b/target/arm/cpu-qom.h
index 2049fa9612..43fc8296db 100644
--- a/target/arm/cpu-qom.h
+++ b/target/arm/cpu-qom.h
@@ -76,6 +76,7 @@ void arm_gt_ptimer_cb(void *opaque);
void arm_gt_vtimer_cb(void *opaque);
void arm_gt_htimer_cb(void *opaque);
void arm_gt_stimer_cb(void *opaque);
+void arm_gt_hvtimer_cb(void *opaque);
#define ARM_AFF0_SHIFT 0
#define ARM_AFF0_MASK (0xFFULL << ARM_AFF0_SHIFT)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index e37008a4f7..bba4e1f984 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -144,11 +144,12 @@ typedef struct ARMGenericTimer {
uint64_t ctl; /* Timer Control register */
} ARMGenericTimer;
-#define GTIMER_PHYS 0
-#define GTIMER_VIRT 1
-#define GTIMER_HYP 2
-#define GTIMER_SEC 3
-#define NUM_GTIMERS 4
+#define GTIMER_PHYS 0
+#define GTIMER_VIRT 1
+#define GTIMER_HYP 2
+#define GTIMER_SEC 3
+#define GTIMER_HYPVIRT 4
+#define NUM_GTIMERS 5
typedef struct {
uint64_t raw_tcr;
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 1959467fdc..90352decc5 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1218,6 +1218,8 @@ static void arm_cpu_realizefn(DeviceState *dev, Error
**errp)
arm_gt_htimer_cb, cpu);
cpu->gt_timer[GTIMER_SEC] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
arm_gt_stimer_cb, cpu);
+ cpu->gt_timer[GTIMER_HYPVIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
+ arm_gt_hvtimer_cb, cpu);
#endif
cpu_exec_realizefn(cs, &local_err);
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 3124d682a2..329548e45d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -2527,6 +2527,7 @@ static uint64_t gt_tval_read(CPUARMState *env, const
ARMCPRegInfo *ri,
switch (timeridx) {
case GTIMER_VIRT:
+ case GTIMER_HYPVIRT:
offset = gt_virt_cnt_offset(env);
break;
}
@@ -2543,6 +2544,7 @@ static void gt_tval_write(CPUARMState *env, const
ARMCPRegInfo *ri,
switch (timeridx) {
case GTIMER_VIRT:
+ case GTIMER_HYPVIRT:
offset = gt_virt_cnt_offset(env);
break;
}
@@ -2698,6 +2700,34 @@ static void gt_sec_ctl_write(CPUARMState *env, const
ARMCPRegInfo *ri,
gt_ctl_write(env, ri, GTIMER_SEC, value);
}
+static void gt_hv_timer_reset(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+ gt_timer_reset(env, ri, GTIMER_HYPVIRT);
+}
+
+static void gt_hv_cval_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ gt_cval_write(env, ri, GTIMER_HYPVIRT, value);
+}
+
+static uint64_t gt_hv_tval_read(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+ return gt_tval_read(env, ri, GTIMER_HYPVIRT);
+}
+
+static void gt_hv_tval_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ gt_tval_write(env, ri, GTIMER_HYPVIRT, value);
+}
+
+static void gt_hv_ctl_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ gt_ctl_write(env, ri, GTIMER_HYPVIRT, value);
+}
+
void arm_gt_ptimer_cb(void *opaque)
{
ARMCPU *cpu = opaque;
@@ -2726,6 +2756,13 @@ void arm_gt_stimer_cb(void *opaque)
gt_recalc_timer(cpu, GTIMER_SEC);
}
+void arm_gt_hvtimer_cb(void *opaque)
+{
+ ARMCPU *cpu = opaque;
+
+ gt_recalc_timer(cpu, GTIMER_HYPVIRT);
+}
+
static const ARMCPRegInfo generic_timer_cp_reginfo[] = {
/* Note that CNTFRQ is purely reads-as-written for the benefit
* of software; writing it doesn't actually change the timer frequency.
@@ -6852,6 +6889,26 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 4, .crn = 2, .crm = 0, .opc2 = 1,
.access = PL2_RW, .writefn = vmsa_tcr_ttbr_el2_write,
.fieldoffset = offsetof(CPUARMState, cp15.ttbr1_el[2]) },
+#ifndef CONFIG_USER_ONLY
+ { .name = "CNTHV_CVAL_EL2", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 4, .crn = 14, .crm = 3, .opc2 = 2,
+ .fieldoffset =
+ offsetof(CPUARMState, cp15.c14_timer[GTIMER_HYPVIRT].cval),
+ .type = ARM_CP_IO, .access = PL2_RW,
+ .writefn = gt_hv_cval_write, .raw_writefn = raw_write },
+ { .name = "CNTHV_TVAL_EL2", .state = ARM_CP_STATE_BOTH,
+ .opc0 = 3, .opc1 = 4, .crn = 14, .crm = 3, .opc2 = 0,
+ .type = ARM_CP_NO_RAW | ARM_CP_IO, .access = PL2_RW,
+ .resetfn = gt_hv_timer_reset,
+ .readfn = gt_hv_tval_read, .writefn = gt_hv_tval_write },
+ { .name = "CNTHV_CTL_EL2", .state = ARM_CP_STATE_BOTH,
+ .type = ARM_CP_IO,
+ .opc0 = 3, .opc1 = 4, .crn = 14, .crm = 3, .opc2 = 1,
+ .access = PL2_RW,
+ .fieldoffset =
+ offsetof(CPUARMState, cp15.c14_timer[GTIMER_HYPVIRT].ctl),
+ .writefn = gt_hv_ctl_write, .raw_writefn = raw_write },
+#endif
REGINFO_SENTINEL
};
define_arm_cp_regs(cpu, vhe_reginfo);
--
2.17.1
