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[PATCH v13 09/24] target/arm: Handle PSTATE.ALLINT on taking an exceptio
From: |
Jinjie Ruan |
Subject: |
[PATCH v13 09/24] target/arm: Handle PSTATE.ALLINT on taking an exception |
Date: |
Sun, 7 Apr 2024 08:17:18 +0000 |
Set or clear PSTATE.ALLINT on taking an exception to ELx according to the
SCTLR_ELx.SPINTMASK bit.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
v13:
- Add Reviewed-by.
v9:
- Not check SCTLR_NMI in arm_cpu_do_interrupt_aarch64().
v3:
- Add Reviewed-by.
---
target/arm/helper.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 0e7eefd7e5..65f2ddfa56 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11729,6 +11729,14 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
}
}
+ if (cpu_isar_feature(aa64_nmi, cpu)) {
+ if (!(env->cp15.sctlr_el[new_el] & SCTLR_SPINTMASK)) {
+ new_mode |= PSTATE_ALLINT;
+ } else {
+ new_mode &= ~PSTATE_ALLINT;
+ }
+ }
+
pstate_write(env, PSTATE_DAIF | new_mode);
env->aarch64 = true;
aarch64_restore_sp(env, new_el);
--
2.34.1
- [PATCH v13 00/24] target/arm: Implement FEAT_NMI and FEAT_GICv3_NMI, Jinjie Ruan, 2024/04/07
- [PATCH v13 02/24] target/arm: Add PSTATE.ALLINT, Jinjie Ruan, 2024/04/07
- [PATCH v13 01/24] target/arm: Handle HCR_EL2 accesses for bits introduced with FEAT_NMI, Jinjie Ruan, 2024/04/07
- [PATCH v13 04/24] target/arm: Implement ALLINT MSR (immediate), Jinjie Ruan, 2024/04/07
- [PATCH v13 03/24] target/arm: Add support for FEAT_NMI, Non-maskable Interrupt, Jinjie Ruan, 2024/04/07
- [PATCH v13 05/24] target/arm: Support MSR access to ALLINT, Jinjie Ruan, 2024/04/07
- [PATCH v13 08/24] target/arm: Handle IS/FS in ISR_EL1 for NMI, VINMI and VFNMI, Jinjie Ruan, 2024/04/07
- [PATCH v13 07/24] target/arm: Add support for NMI in arm_phys_excp_target_el(), Jinjie Ruan, 2024/04/07
- [PATCH v13 06/24] target/arm: Add support for Non-maskable Interrupt, Jinjie Ruan, 2024/04/07
- [PATCH v13 09/24] target/arm: Handle PSTATE.ALLINT on taking an exception,
Jinjie Ruan <=
- [PATCH v13 10/24] hw/intc/arm_gicv3: Add external IRQ lines for NMI, Jinjie Ruan, 2024/04/07
- [PATCH v13 13/24] hw/intc/arm_gicv3: Add has-nmi property to GICv3 device, Jinjie Ruan, 2024/04/07
- [PATCH v13 14/24] hw/intc/arm_gicv3_kvm: Not set has-nmi=true for the KVM GICv3, Jinjie Ruan, 2024/04/07
- [PATCH v13 22/24] hw/intc/arm_gicv3: Report the VINMI interrupt, Jinjie Ruan, 2024/04/07
- [PATCH v13 20/24] hw/intc/arm_gicv3: Implement NMI interrupt priority, Jinjie Ruan, 2024/04/07
- [PATCH v13 11/24] hw/arm/virt: Wire NMI and VINMI irq lines from GIC to CPU, Jinjie Ruan, 2024/04/07
- [PATCH v13 21/24] hw/intc/arm_gicv3: Report the NMI interrupt in gicv3_cpuif_update(), Jinjie Ruan, 2024/04/07
- [PATCH v13 15/24] hw/intc/arm_gicv3: Add irq non-maskable property, Jinjie Ruan, 2024/04/07
- [PATCH v13 12/24] target/arm: Handle NMI in arm_cpu_do_interrupt_aarch64(), Jinjie Ruan, 2024/04/07
- [PATCH v13 23/24] target/arm: Add FEAT_NMI to max, Jinjie Ruan, 2024/04/07