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[PATCH v2 07/14] target/ppc: 405: External exception cleanup
From: |
Fabiano Rosas |
Subject: |
[PATCH v2 07/14] target/ppc: 405: External exception cleanup |
Date: |
Tue, 18 Jan 2022 15:44:41 -0300 |
405 has no MSR_HV and EPR is BookE only so we can remove it all.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
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 e98d783ecd..8fae8aa0be 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -472,44 +472,7 @@ static void powerpc_excp_40x(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 */
/*
--
2.33.1
- [PATCH v2 03/14] target/ppc: Introduce powerpc_excp_40x, (continued)
- [PATCH v2 03/14] target/ppc: Introduce powerpc_excp_40x, Fabiano Rosas, 2022/01/18
- [PATCH v2 01/14] target/ppc: 405: Rename MSR_POW to MSR_WE, Fabiano Rosas, 2022/01/18
- [PATCH v2 04/14] target/ppc: Simplify powerpc_excp_40x, Fabiano Rosas, 2022/01/18
- [PATCH v2 06/14] target/ppc: 405: Machine check exception cleanup, Fabiano Rosas, 2022/01/18
- [PATCH v2 07/14] target/ppc: 405: External exception cleanup,
Fabiano Rosas <=
- [PATCH v2 08/14] target/ppc: 405: System call exception cleanup, Fabiano Rosas, 2022/01/18
- Re: [PATCH v2 08/14] target/ppc: 405: System call exception cleanup, Richard Henderson, 2022/01/26
- [PATCH v2 11/14] target/ppc: 405: Data Storage exception cleanup, Fabiano Rosas, 2022/01/18