target/ppc: 405: Critical exceptions cleanup

In powerpc_excp_40x the Critical exception is now for 405 only, so we
can remove the BookE and G2 blocks.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220118184448.852996-6-farosas@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 341a765bd49dcce43dc697582be6e0cbf643ef25..aafc381eb0e6ea83c9031aa2beee21dbcbfc68e3 100644 (file)
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -439,20 +439,8 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
 
     switch (excp) {
     case POWERPC_EXCP_CRITICAL:    /* Critical input                         */
-        switch (excp_model) {
-        case POWERPC_EXCP_40x:
-            srr0 = SPR_40x_SRR2;
-            srr1 = SPR_40x_SRR3;
-            break;
-        case POWERPC_EXCP_BOOKE:
-            srr0 = SPR_BOOKE_CSRR0;
-            srr1 = SPR_BOOKE_CSRR1;
-            break;
-        case POWERPC_EXCP_G2:
-            break;
-        default:
-            goto excp_invalid;
-        }
+        srr0 = SPR_40x_SRR2;
+        srr1 = SPR_40x_SRR3;
         break;
     case POWERPC_EXCP_MCHECK:    /* Machine check exception                  */
         if (msr_me == 0) {
@@ -652,7 +640,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
         trace_ppc_excp_print("PIT");
         break;
     default:
-    excp_invalid:
         cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
         break;
     }