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| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2024-04-19 14:32:59 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-04-25 10:21:05 +0100 |
| commit | 2e0be5f6b122e3dca53b926514287ffcead2689c (patch) | |
| tree | 14ec2a9a8f167556eaec5b5eff5f0a86405c8636 | |
| parent | 963e4e3648e0601a8f0b288edaf524b3c98fffbd (diff) | |
| download | focaccia-qemu-2e0be5f6b122e3dca53b926514287ffcead2689c.tar.gz focaccia-qemu-2e0be5f6b122e3dca53b926514287ffcead2689c.zip | |
target/arm: Handle IS/FS in ISR_EL1 for NMI, VINMI and VFNMI
Add IS and FS bit in ISR_EL1 and handle the read. With CPU_INTERRUPT_NMI or CPU_INTERRUPT_VINMI, both CPSR_I and ISR_IS must be set. With CPU_INTERRUPT_VFNMI, both CPSR_F and ISR_FS must be set. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20240407081733.3231820-9-ruanjinjie@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/cpu.h | 2 | ||||
| -rw-r--r-- | target/arm/helper.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 08a6bc50de..97997dbd08 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1398,6 +1398,8 @@ void pmu_init(ARMCPU *cpu); #define CPSR_N (1U << 31) #define CPSR_NZCV (CPSR_N | CPSR_Z | CPSR_C | CPSR_V) #define CPSR_AIF (CPSR_A | CPSR_I | CPSR_F) +#define ISR_FS (1U << 9) +#define ISR_IS (1U << 10) #define CPSR_IT (CPSR_IT_0_1 | CPSR_IT_2_7) #define CACHED_CPSR_BITS (CPSR_T | CPSR_AIF | CPSR_GE | CPSR_IT | CPSR_Q \ diff --git a/target/arm/helper.c b/target/arm/helper.c index 4ee59b3705..6b6d8a349a 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -2021,16 +2021,29 @@ static uint64_t isr_read(CPUARMState *env, const ARMCPRegInfo *ri) if (cs->interrupt_request & CPU_INTERRUPT_VIRQ) { ret |= CPSR_I; } + if (cs->interrupt_request & CPU_INTERRUPT_VINMI) { + ret |= ISR_IS; + ret |= CPSR_I; + } } else { if (cs->interrupt_request & CPU_INTERRUPT_HARD) { ret |= CPSR_I; } + + if (cs->interrupt_request & CPU_INTERRUPT_NMI) { + ret |= ISR_IS; + ret |= CPSR_I; + } } if (hcr_el2 & HCR_FMO) { if (cs->interrupt_request & CPU_INTERRUPT_VFIQ) { ret |= CPSR_F; } + if (cs->interrupt_request & CPU_INTERRUPT_VFNMI) { + ret |= ISR_FS; + ret |= CPSR_F; + } } else { if (cs->interrupt_request & CPU_INTERRUPT_FIQ) { ret |= CPSR_F; |