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target/ppc: Merge exception model IDs for 6xx CPUs 

We don't need three separate exception model IDs for the 603, 604 and
G2.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220203200957.1434641-2-farosas@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
master
Fabiano Rosas 2022-02-09 09:08:55 +01:00 committed by Cédric Le Goater
parent 005b69fdcc
commit 9323650f97
3 changed files with 13 additions and 18 deletions
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8
target/ppc/cpu-qom.h
View File

@ -88,12 +88,8 @@ enum powerpc_excp_t {
POWERPC_EXCP_STD,
/* PowerPC 40x exception model */
POWERPC_EXCP_40x,
/* PowerPC 603 exception model */
POWERPC_EXCP_603,
/* PowerPC G2 exception model */
POWERPC_EXCP_G2,
/* PowerPC 604 exception model */
POWERPC_EXCP_604,
/* PowerPC 603/604/G2 exception model */
POWERPC_EXCP_6xx,
/* PowerPC 7x0 exception model */
POWERPC_EXCP_7x0,
/* PowerPC 7x5 exception model */

18
target/ppc/cpu_init.c
View File

@ -2782,7 +2782,7 @@ POWERPC_FAMILY(MPC5xx)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_REAL;
pcc->excp_model = POWERPC_EXCP_603;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_RCPU;
pcc->bfd_mach = bfd_mach_ppc_505;
pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@ -2825,7 +2825,7 @@ POWERPC_FAMILY(MPC8xx)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_MPC8xx;
pcc->excp_model = POWERPC_EXCP_603;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_RCPU;
pcc->bfd_mach = bfd_mach_ppc_860;
pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@ -2906,7 +2906,7 @@ POWERPC_FAMILY(G2)(ObjectClass *oc, void *data)
(1ull << MSR_DR) |
(1ull << MSR_RI);
pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
pcc->excp_model = POWERPC_EXCP_G2;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_ec603e;
pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@ -2988,7 +2988,7 @@ POWERPC_FAMILY(G2LE)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
pcc->excp_model = POWERPC_EXCP_G2;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_ec603e;
pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@ -3243,7 +3243,7 @@ POWERPC_FAMILY(e300)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
pcc->excp_model = POWERPC_EXCP_603;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_603;
pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@ -3772,7 +3772,7 @@ POWERPC_FAMILY(603)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
pcc->excp_model = POWERPC_EXCP_603;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_603;
pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@ -3811,7 +3811,7 @@ 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_603;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_ec603e;
pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@ -3872,7 +3872,7 @@ POWERPC_FAMILY(604)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_32B;
pcc->excp_model = POWERPC_EXCP_604;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_604;
pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@ -3953,7 +3953,7 @@ POWERPC_FAMILY(604E)(ObjectClass *oc, void *data)
(1ull << MSR_RI) |
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_32B;
pcc->excp_model = POWERPC_EXCP_604;
pcc->excp_model = POWERPC_EXCP_6xx;
pcc->bus_model = PPC_FLAGS_INPUT_6xx;
pcc->bfd_mach = bfd_mach_ppc_604;
pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |

5
target/ppc/excp_helper.c
View File

@ -1357,7 +1357,7 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
srr0 = SPR_BOOKE_CSRR0;
srr1 = SPR_BOOKE_CSRR1;
break;
case POWERPC_EXCP_G2:
case POWERPC_EXCP_6xx:
break;
default:
goto excp_invalid;
@ -1645,8 +1645,7 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
switch (excp_model) {
case POWERPC_EXCP_603:
case POWERPC_EXCP_G2:
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;