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[PATCH] target/ppc: restore powerpc_excp_booke doorbell interrupts
From: |
Nicholas Piggin |
Subject: |
[PATCH] target/ppc: restore powerpc_excp_booke doorbell interrupts |
Date: |
Sat, 24 Sep 2022 21:44:36 +1000 |
This partially reverts commit 9dc20cc37db9 ("target/ppc: Simplify
powerpc_excp_booke"), which removed DOORI and DOORCI interrupts.
Without this patch, a -cpu e5500 -smp 2 machine booting Linux
crashes with:
qemu: fatal: Invalid PowerPC exception 36. Aborting
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
target/ppc/excp_helper.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 214acf5ac4..43f2480e94 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -1247,6 +1247,12 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavailable/VPU
*/
env->spr[SPR_BOOKE_ESR] = ESR_SPV;
break;
+ case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
+ break;
+ case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
+ srr0 = SPR_BOOKE_CSRR0;
+ srr1 = SPR_BOOKE_CSRR1;
+ break;
case POWERPC_EXCP_RESET: /* System reset exception */
if (FIELD_EX64(env->msr, MSR, POW)) {
cpu_abort(cs, "Trying to deliver power-saving system reset "
--
2.37.2
- [PATCH] target/ppc: restore powerpc_excp_booke doorbell interrupts,
Nicholas Piggin <=