target/ppc: Remove 603e exception model

The 603e uses the same exception code as 603 so we don't need a
dedicated entry for it.

This is only a removal of redundant code, no functional change.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211208123029.2052625-3-farosas@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h
index ef9e32447473f6312a0e8e00ded0c19ebd24d79f..7d299f90c74fdf7ad4a00ba9297c88cafacffc28 100644 (file)
--- a/target/ppc/cpu-qom.h
+++ b/target/ppc/cpu-qom.h
@@ -98,8 +98,6 @@ enum powerpc_excp_t {
     POWERPC_EXCP_602,
     /* PowerPC 603 exception model      */
     POWERPC_EXCP_603,
-    /* PowerPC 603e exception model     */
-    POWERPC_EXCP_603E,
     /* PowerPC G2 exception model       */
     POWERPC_EXCP_G2,
     /* PowerPC 604 exception model      */

diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 7e61994e3596f7674153d90a3bbaff10b7cbcbfb..db065687775dffb9ab8880f4462294222cc39b32 100644 (file)
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -4721,41 +4721,13 @@ POWERPC_FAMILY(603)(ObjectClass *oc, void *data)
                  POWERPC_FLAG_BE | POWERPC_FLAG_BUS_CLK;
 }
 
-static void init_proc_603E(CPUPPCState *env)
-{
-    register_ne_601_sprs(env);
-    register_sdr1_sprs(env);
-    register_603_sprs(env);
-    /* Time base */
-    register_tbl(env);
-    /* hardware implementation registers */
-    /* XXX : not implemented */
-    spr_register(env, SPR_HID0, "HID0",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_HID1, "HID1",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* Memory management */
-    register_low_BATs(env);
-    register_6xx_7xx_soft_tlb(env, 64, 2);
-    init_excp_603(env);
-    env->dcache_line_size = 32;
-    env->icache_line_size = 32;
-    /* Allocate hardware IRQ controller */
-    ppc6xx_irq_init(env_archcpu(env));
-}
-
 POWERPC_FAMILY(603E)(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
     PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
 
     dc->desc = "PowerPC 603e";
-    pcc->init_proc = init_proc_603E;
+    pcc->init_proc = init_proc_603;
     pcc->check_pow = check_pow_hid0;
     pcc->insns_flags = PPC_INSNS_BASE | PPC_STRING | PPC_MFTB |
                        PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
@@ -4781,7 +4753,7 @@ POWERPC_FAMILY(603E)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_603E;
+    pcc->excp_model = POWERPC_EXCP_603;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_ec603e;
     pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |

diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index f1da0e119d6f78159dfd76a086735b6bc1a8cd32..1612b9b30e35343660958e39eff1c87e0d19b3b3 100644 (file)
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -672,7 +672,6 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
         switch (excp_model) {
         case POWERPC_EXCP_602:
         case POWERPC_EXCP_603:
-        case POWERPC_EXCP_603E:
         case POWERPC_EXCP_G2:
             /* Swap temporary saved registers with GPRs */
             if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) {