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[PULL 12/42] target/ppc: booke: System Reset exception cleanup


From: Cédric Le Goater
Subject: [PULL 12/42] target/ppc: booke: System Reset exception cleanup
Date: Thu, 10 Feb 2022 13:59:38 +0100

From: Fabiano Rosas <farosas@linux.ibm.com>

There is no MSR_HV in BookE, so remove all of the HV logic.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220128224018.1228062-12-farosas@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 target/ppc/excp_helper.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 7c228dac58a0..7d7d0a08b536 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -925,23 +925,9 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
         env->spr[SPR_BOOKE_ESR] = ESR_SPV;
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
-        /* A power-saving exception sets ME, otherwise it is unchanged */
         if (msr_pow) {
-            /* indicate that we resumed from power save mode */
-            msr |= 0x10000;
-            new_msr |= ((target_ulong)1 << MSR_ME);
-        }
-        if (env->msr_mask & MSR_HVB) {
-            /*
-             * ISA specifies HV, but can be delivered to guest with HV
-             * clear (e.g., see FWNMI in PAPR, NMI injection in QEMU).
-             */
-            new_msr |= (target_ulong)MSR_HVB;
-        } else {
-            if (msr_pow) {
-                cpu_abort(cs, "Trying to deliver power-saving system reset "
-                          "exception %d with no HV support\n", excp);
-            }
+            cpu_abort(cs, "Trying to deliver power-saving system reset "
+                      "exception %d with no HV support\n", excp);
         }
         break;
     case POWERPC_EXCP_EFPDI:     /* Embedded floating-point data interrupt   */
-- 
2.34.1




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