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[RFC PATCH v3 09/21] target/arm: Handle PSTATE.ALLINT on taking an excep
From: |
Jinjie Ruan |
Subject: |
[RFC PATCH v3 09/21] target/arm: Handle PSTATE.ALLINT on taking an exception |
Date: |
Fri, 23 Feb 2024 10:32:09 +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>
---
v3:
- Add Reviewed-by.
---
target/arm/helper.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index eb97ce0356..0a69638651 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11532,6 +11532,15 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
}
}
+ if (cpu_isar_feature(aa64_nmi, cpu) &&
+ (env->cp15.sctlr_el[new_el] & SCTLR_NMI)) {
+ 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
- [RFC PATCH v3 13/21] hw/intc/arm_gicv3: Add irq superpriority information, (continued)
- [RFC PATCH v3 13/21] hw/intc/arm_gicv3: Add irq superpriority information, Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 14/21] hw/intc/arm_gicv3_redist: Implement GICR_INMIR0, Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 02/21] target/arm: Add PSTATE.ALLINT, Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 08/21] target/arm: Handle IS/FS in ISR_EL1 for NMI, Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 06/21] target/arm: Add support for Non-maskable Interrupt, Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 09/21] target/arm: Handle PSTATE.ALLINT on taking an exception,
Jinjie Ruan <=
- [RFC PATCH v3 04/21] target/arm: Implement ALLINT MSR (immediate), Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 17/21] hw/intc/arm_gicv3: Add NMI handling CPU interface registers, Jinjie Ruan, 2024/02/23
- [RFC PATCH v3 19/21] hw/intc/arm_gicv3: Report the NMI interrupt in gicv3_cpuif_update(), Jinjie Ruan, 2024/02/23