aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorVijaya Kumar K <Vijaya.Kumar@cavium.com>2017-02-23 17:21:12 +0530
committerPeter Maydell <peter.maydell@linaro.org>2017-02-28 17:10:00 +0000
commitd3a3e529626fbee5cf0fb33414a85c9493adc280 (patch)
tree4b110116b22e9f450f3a746a6f049a6f8139180d
parent367b9f527becdd20ddf116e17a3c0c2bbc486920 (diff)
target-arm: Add GICv3CPUState in CPUARMState struct
Add gicv3state void pointer to CPUARMState struct to store GICv3CPUState. In case of usecase like CPU reset, we need to reset GICv3CPUState of the CPU. In such scenario, this pointer becomes handy. Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Auger <eric.auger@redhat.com> Message-id: 1487850673-26455-5-git-send-email-vijay.kilari@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/intc/arm_gicv3_common.c2
-rw-r--r--hw/intc/arm_gicv3_cpuif.c8
-rw-r--r--hw/intc/gicv3_internal.h2
-rw-r--r--target/arm/cpu.h2
4 files changed, 14 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_common.c b/hw/intc/arm_gicv3_common.c
index 5b0e456383..c6493d6c07 100644
--- a/hw/intc/arm_gicv3_common.c
+++ b/hw/intc/arm_gicv3_common.c
@@ -252,6 +252,8 @@ static void arm_gicv3_common_realize(DeviceState *dev, Error **errp)
s->cpu[i].cpu = cpu;
s->cpu[i].gic = s;
+ /* Store GICv3CPUState in CPUARMState gicv3state pointer */
+ gicv3_set_gicv3state(cpu, &s->cpu[i]);
/* Pre-construct the GICR_TYPER:
* For our implementation:
diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c
index f775aba507..0b208560bd 100644
--- a/hw/intc/arm_gicv3_cpuif.c
+++ b/hw/intc/arm_gicv3_cpuif.c
@@ -19,6 +19,14 @@
#include "gicv3_internal.h"
#include "cpu.h"
+void gicv3_set_gicv3state(CPUState *cpu, GICv3CPUState *s)
+{
+ ARMCPU *arm_cpu = ARM_CPU(cpu);
+ CPUARMState *env = &arm_cpu->env;
+
+ env->gicv3state = (void *)s;
+};
+
static GICv3CPUState *icc_cs_from_env(CPUARMState *env)
{
/* Given the CPU, find the right GICv3CPUState struct.
diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h
index 457118ed39..05303a55c8 100644
--- a/hw/intc/gicv3_internal.h
+++ b/hw/intc/gicv3_internal.h
@@ -408,4 +408,6 @@ static inline void gicv3_cache_all_target_cpustates(GICv3State *s)
}
}
+void gicv3_set_gicv3state(CPUState *cpu, GICv3CPUState *s);
+
#endif /* QEMU_ARM_GICV3_INTERNAL_H */
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 9e7b2dfc83..25ceaabb5d 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -521,6 +521,8 @@ typedef struct CPUARMState {
void *nvic;
const struct arm_boot_info *boot_info;
+ /* Store GICv3CPUState to access from this struct */
+ void *gicv3state;
} CPUARMState;
/**