diff options
| author | Lara Lazier <laramglazier@gmail.com> | 2021-08-13 11:45:52 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-13 13:56:26 +0200 |
| commit | 7760bb069f11fb4259c76c05c69a0d254b5d8a10 (patch) | |
| tree | c5232bcd6897af055c29b4815b00d00f210e61a1 /target/i386/tcg/sysemu/misc_helper.c | |
| parent | 66a0201ba7a3143689014eb711a5942babca2585 (diff) | |
target/i386: Added changed priority check for VIRQ
Writes to cr8 affect v_tpr. This could set or unset an interrupt
request as the priority might have changed.
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/tcg/sysemu/misc_helper.c')
| -rw-r--r-- | target/i386/tcg/sysemu/misc_helper.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target/i386/tcg/sysemu/misc_helper.c b/target/i386/tcg/sysemu/misc_helper.c index 91b0fc916b..9ccaa054c4 100644 --- a/target/i386/tcg/sysemu/misc_helper.c +++ b/target/i386/tcg/sysemu/misc_helper.c @@ -122,6 +122,13 @@ void helper_write_crN(CPUX86State *env, int reg, target_ulong t0) qemu_mutex_unlock_iothread(); } env->int_ctl = (env->int_ctl & ~V_TPR_MASK) | (t0 & V_TPR_MASK); + + CPUState *cs = env_cpu(env); + if (ctl_has_irq(env)) { + cpu_interrupt(cs, CPU_INTERRUPT_VIRQ); + } else { + cpu_reset_interrupt(cs, CPU_INTERRUPT_VIRQ); + } break; default: env->cr[reg] = t0; |