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authorFabiano Rosas <farosas@linux.ibm.com>2022-02-09 09:08:55 +0100
committerCédric Le Goater <clg@kaod.org>2022-02-09 09:08:55 +0100
commit8f8c7932d4be3fe4dc0fb9540c48132de7382cab (patch)
tree39b242ed9043141b3279c430397ec550d460e3be /target
parent000ac49ad22be56e8ab21550e90e997b9ee39575 (diff)
target/ppc: 6xx: Software TLB exceptions cleanup
This code applies only to the 6xx CPUs, so we can remove the switch statement. Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com> Message-Id: <20220203200957.1434641-11-farosas@linux.ibm.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target')
-rw-r--r--target/ppc/excp_helper.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 538905c4dd..80168355bd 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -553,7 +553,6 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
{
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
- int excp_model = env->excp_model;
target_ulong msr, new_msr, vector;
int srr0, srr1;
@@ -695,26 +694,18 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
- switch (excp_model) {
- case POWERPC_EXCP_6xx:
- /* Swap temporary saved registers with GPRs */
- if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) {
- new_msr |= (target_ulong)1 << MSR_TGPR;
- hreg_swap_gpr_tgpr(env);
- }
- /* fall through */
- case POWERPC_EXCP_7x5:
- ppc_excp_debug_sw_tlb(env, excp);
-
- msr |= env->crf[0] << 28;
- msr |= env->error_code; /* key, D/I, S/L bits */
- /* Set way using a LRU mechanism */
- msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
- break;
- default:
- cpu_abort(cs, "Invalid TLB miss exception\n");
- break;
+ /* Swap temporary saved registers with GPRs */
+ if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) {
+ new_msr |= (target_ulong)1 << MSR_TGPR;
+ hreg_swap_gpr_tgpr(env);
}
+
+ ppc_excp_debug_sw_tlb(env, excp);
+
+ msr |= env->crf[0] << 28;
+ msr |= env->error_code; /* key, D/I, S/L bits */
+ /* Set way using a LRU mechanism */
+ msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
break;
case POWERPC_EXCP_FPA: /* Floating-point assist exception */
case POWERPC_EXCP_DABR: /* Data address breakpoint */