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target/ppc: Remove 603e exception model

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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>
This commit is contained in:
Fabiano Rosas 2021-12-17 17:57:16 +01:00 committed by Cédric Le Goater
parent 6328a3bb4b
commit fd77f75710
3 changed files with 2 additions and 33 deletions
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2
target/ppc/cpu-qom.h
View File

@ -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 */

32
target/ppc/cpu_init.c
View File

@ -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 |

1
target/ppc/excp_helper.c
View File

@ -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))) {