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[RFC v2 06/14] arm/sdei: add system reset callback
From: |
Heyi Guo |
Subject: |
[RFC v2 06/14] arm/sdei: add system reset callback |
Date: |
Tue, 5 Nov 2019 17:10:48 +0800 |
For this is a logical device which is not attached to system bus, we
cannot use DeviceClass->reset interface directly. Instead we register
our own reset callback to reset SDEI services when system resets.
Signed-off-by: Heyi Guo <address@hidden>
Signed-off-by: Jingyi Wang <address@hidden>
Cc: Peter Maydell <address@hidden>
Cc: Dave Martin <address@hidden>
Cc: Marc Zyngier <address@hidden>
Cc: Mark Rutland <address@hidden>
Cc: James Morse <address@hidden>
---
target/arm/sdei.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/target/arm/sdei.c b/target/arm/sdei.c
index 0c0212bfa8..6af4a9044b 100644
--- a/target/arm/sdei.c
+++ b/target/arm/sdei.c
@@ -1147,6 +1147,26 @@ static void qemu_sde_init(QemuSDEState *s)
qemu_private_sde_init(s);
}
+static void qemu_sde_reset(void *opaque)
+{
+ int64_t ret = 0;
+ CPUState *cs;
+ QemuSDEState *s = opaque;
+
+ CPU_FOREACH(cs) {
+ QemuSDECpu *sde_cpu = get_sde_cpu(s, cs);
+ ret |= sdei_private_reset_common(s, cs, true);
+ sde_cpu->masked = true;
+ sde_cpu->critical_running_event = SDEI_INVALID_EVENT_ID;
+ sde_cpu->normal_running_event = SDEI_INVALID_EVENT_ID;
+ }
+
+ ret |= sdei_shared_reset_common(s, first_cpu, true);
+ if (ret) {
+ error_report("SDEI system reset failed: 0x%lx", ret);
+ }
+}
+
static void sde_array_save(QemuSDE **array, int count)
{
int i;
@@ -1299,6 +1319,7 @@ static void sdei_initfn(Object *obj)
sde_state = s;
qemu_sde_init(s);
+ qemu_register_reset(qemu_sde_reset, s);
}
static void qemu_sde_class_init(ObjectClass *klass, void *data)
--
2.19.1
- [RFC v2 00/14] Add SDEI support for arm64, Heyi Guo, 2019/11/05
- [RFC v2 06/14] arm/sdei: add system reset callback,
Heyi Guo <=
- [RFC v2 07/14] arm/sdei: add support to trigger event by GIC interrupt ID, Heyi Guo, 2019/11/05
- [RFC v2 10/14] arm/sdei: add support to register interrupt bind notifier, Heyi Guo, 2019/11/05
- [RFC v2 08/14] core/irq: add qemu_irq_remove_intercept interface, Heyi Guo, 2019/11/05
- [RFC v2 04/14] arm: add CONFIG_SDEI build flag, Heyi Guo, 2019/11/05
- [RFC v2 01/14] update-linux-headers.sh: import linux/arm_sdei.h to standard-headers, Heyi Guo, 2019/11/05
- [RFC v2 02/14] standard-headers: import arm_sdei.h, Heyi Guo, 2019/11/05