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target/ppc: introduce ppc_maybe_interrupt

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This new method will check if any pending interrupt was unmasked and
then call cpu_interrupt/cpu_reset_interrupt accordingly. Code that
raises/lowers or masks/unmasks interrupts should call this method to
keep CPU_INTERRUPT_HARD coherent with env->pending_interrupts.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221021142156.4134411-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Matheus Ferst 2022-10-21 11:21:54 -03:00 • committed by Daniel Henrique Barboza
parent 6a8e8188c3
commit 2fdedcbc69
10 changed files with 67 additions and 8 deletions
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2
target/ppc/helper_regs.c
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@ -260,6 +260,8 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv)
env->msr = value;
hreg_compute_hflags(env);
#if !defined(CONFIG_USER_ONLY)
ppc_maybe_interrupt(env);
if (unlikely(FIELD_EX64(env->msr, MSR, POW))) {
if (!env->pending_interrupts && (*env->check_pow)(env)) {
cs->halted = 1;