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[PULL 06/21] target/i386: Added ignore TPR check in ctl_has_irq
From: |
Paolo Bonzini |
Subject: |
[PULL 06/21] target/i386: Added ignore TPR check in ctl_has_irq |
Date: |
Mon, 13 Sep 2021 13:57:27 +0200 |
From: Lara Lazier <laramglazier@gmail.com>
The APM2 states that if V_IGN_TPR is nonzero, the current
virtual interrupt ignores the (virtual) TPR.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/tcg/sysemu/svm_helper.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target/i386/tcg/sysemu/svm_helper.c
b/target/i386/tcg/sysemu/svm_helper.c
index 4612dae1ac..a35b79548a 100644
--- a/target/i386/tcg/sysemu/svm_helper.c
+++ b/target/i386/tcg/sysemu/svm_helper.c
@@ -83,6 +83,11 @@ static inline bool ctl_has_irq(CPUX86State *env)
int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
tpr = env->int_ctl & V_TPR_MASK;
+
+ if (env->int_ctl & V_IGN_TPR_MASK) {
+ return env->int_ctl & V_IRQ_MASK;
+ }
+
return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
}
--
2.31.1
- [PULL 00/21] x86, docs, meson changes for 2021-09-13, Paolo Bonzini, 2021/09/13
- [PULL 01/21] target/i386: add missing bits to CR4_RESERVED_MASK, Paolo Bonzini, 2021/09/13
- [PULL 02/21] target/i386: VMRUN and VMLOAD canonicalizations, Paolo Bonzini, 2021/09/13
- [PULL 03/21] target/i386: Added VGIF feature, Paolo Bonzini, 2021/09/13
- [PULL 08/21] target/i386: Added vVMLOAD and vVMSAVE feature, Paolo Bonzini, 2021/09/13
- [PULL 10/21] docs: standardize directory index to --- with overline, Paolo Bonzini, 2021/09/13
- [PULL 11/21] docs/system: standardize man page sections to --- with overline, Paolo Bonzini, 2021/09/13
- [PULL 06/21] target/i386: Added ignore TPR check in ctl_has_irq,
Paolo Bonzini <=
- [PULL 09/21] docs: standardize book titles to === with overline, Paolo Bonzini, 2021/09/13
- [PULL 12/21] docs/system: move x86 CPU configuration to a separate document, Paolo Bonzini, 2021/09/13
- [PULL 19/21] Only check CONFIG_NVMM when NEED_CPU_H is defined, Paolo Bonzini, 2021/09/13
- [PULL 04/21] target/i386: Moved int_ctl into CPUX86State structure, Paolo Bonzini, 2021/09/13
- [PULL 14/21] meson: look up cp and dtrace with find_program(), Paolo Bonzini, 2021/09/13
- [PULL 16/21] meson: remove dead variable, Paolo Bonzini, 2021/09/13
- [PULL 07/21] target/i386: Added changed priority check for VIRQ, Paolo Bonzini, 2021/09/13
- [PULL 05/21] target/i386: Added VGIF V_IRQ masking capability, Paolo Bonzini, 2021/09/13
- [PULL 13/21] meson.build: Do not look for VNC-related libraries if have_system is not set, Paolo Bonzini, 2021/09/13
- [PULL 17/21] fw_cfg: add etc/msr_feature_control, Paolo Bonzini, 2021/09/13