From 82ce3d5614b2ef3a00b92ecbff074d5476eff285 Mon Sep 17 00:00:00 2001
From: Nicholas Piggin <npiggin@gmail.com>
Date: Tue, 30 May 2023 23:43:12 +1000
Subject: [PATCH] target/ppc: PMU do not clear MMCR0[FCECE] on performance
monitor alert
FCECE does not get cleared according to the ISA v3.1B.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20230530134313.387252-1-npiggin@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
target/ppc/power8-pmu.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/target/ppc/power8-pmu.c b/target/ppc/power8-pmu.c
index c4c331c6b5..af065115f2 100644
--- a/target/ppc/power8-pmu.c
+++ b/target/ppc/power8-pmu.c
@@ -289,7 +289,6 @@ static void fire_PMC_interrupt(PowerPCCPU *cpu)
pmu_update_cycles(env);
if (env->spr[SPR_POWER_MMCR0] & MMCR0_FCECE) {
- env->spr[SPR_POWER_MMCR0] &= ~MMCR0_FCECE;
env->spr[SPR_POWER_MMCR0] |= MMCR0_FC;
/* Changing MMCR0_FC requires summaries and hflags update */