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[PATCH 06/11] target/ppc: 6xx: External interrupt cleanup
From: |
Fabiano Rosas |
Subject: |
[PATCH 06/11] target/ppc: 6xx: External interrupt cleanup |
Date: |
Thu, 3 Feb 2022 17:09:52 -0300 |
There's no Hypervisor mode in the 6xx, so remove all LPES0 logic.
Also remove BookE IRQ code.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
---
target/ppc/excp_helper.c | 37 -------------------------------------
1 file changed, 37 deletions(-)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 734170d4c2..a008115e5f 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -625,44 +625,7 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
msr |= env->error_code;
break;
case POWERPC_EXCP_EXTERNAL: /* External input */
- {
- bool lpes0;
-
- cs = CPU(cpu);
-
- /*
- * Exception targeting modifiers
- *
- * LPES0 is supported on POWER7/8/9
- * LPES1 is not supported (old iSeries mode)
- *
- * On anything else, we behave as if LPES0 is 1
- * (externals don't alter MSR:HV)
- */
-#if defined(TARGET_PPC64)
- if (excp_model == POWERPC_EXCP_POWER7 ||
- excp_model == POWERPC_EXCP_POWER8 ||
- excp_model == POWERPC_EXCP_POWER9 ||
- excp_model == POWERPC_EXCP_POWER10) {
- lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
- } else
-#endif /* defined(TARGET_PPC64) */
- {
- lpes0 = true;
- }
-
- if (!lpes0) {
- new_msr |= (target_ulong)MSR_HVB;
- new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
- srr0 = SPR_HSRR0;
- srr1 = SPR_HSRR1;
- }
- if (env->mpic_proxy) {
- /* IACK the IRQ on delivery */
- env->spr[SPR_BOOKE_EPR] = ldl_phys(cs->as, env->mpic_iack);
- }
break;
- }
case POWERPC_EXCP_ALIGN: /* Alignment exception */
/* Get rS/rD and rA from faulting opcode */
/*
--
2.34.1
- [PATCH 00/11] target/ppc: powerpc_excp improvements [6xx] (7/n), Fabiano Rosas, 2022/02/03
- [PATCH 02/11] target/ppc: Introduce powerpc_excp_6xx, Fabiano Rosas, 2022/02/03
- [PATCH 01/11] target/ppc: Merge exception model IDs for 6xx CPUs, Fabiano Rosas, 2022/02/03
- [PATCH 03/11] target/ppc: Simplify powerpc_excp_6xx, Fabiano Rosas, 2022/02/03
- [PATCH 06/11] target/ppc: 6xx: External interrupt cleanup,
Fabiano Rosas <=
- [PATCH 07/11] target/ppc: 6xx: Program exception cleanup, Fabiano Rosas, 2022/02/03
- [PATCH 10/11] target/ppc: 6xx: Software TLB exceptions cleanup, Fabiano Rosas, 2022/02/03
- [PATCH 05/11] target/ppc: 6xx: Machine Check exception cleanup, Fabiano Rosas, 2022/02/03
- [PATCH 04/11] target/ppc: 6xx: Critical exception cleanup, Fabiano Rosas, 2022/02/03
- [PATCH 08/11] target/ppc: 6xx: System Call exception cleanup, Fabiano Rosas, 2022/02/03