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ppc: Add 460EX embedded CPU

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Despite its name it is a 440 core CPU

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
BALATON Zoltan 2017-09-16 16:02:41 +02:00 committed by David Gibson
parent 9ffe4ce56b
commit 81bb29ace5
3 changed files with 42 additions and 0 deletions
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3
target/ppc/cpu-models.c
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@ -167,6 +167,8 @@
"PowerPC 440 EPb")
POWERPC_DEF("440epx", CPU_POWERPC_440EPX, 440EP,
"PowerPC 440 EPX")
POWERPC_DEF("460exb", CPU_POWERPC_460EXb, 460EX,
"PowerPC 460 EXb")
#if defined(TODO_USER_ONLY)
POWERPC_DEF("440gpb", CPU_POWERPC_440GPb, 440GP,
"PowerPC 440 GPb")
@ -786,6 +788,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
{ "x2vp50", "x2vp20" },
{ "440ep", "440epb" },
{ "460ex", "460exb" },
#if defined(TODO_USER_ONLY)
{ "440gp", "440gpc" },
{ "440gr", "440gra" },

1
target/ppc/cpu-models.h
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@ -240,6 +240,7 @@ enum {
CPU_POWERPC_440SP = 0x53221850,
CPU_POWERPC_440SP2 = 0x53221891,
CPU_POWERPC_440SPE = 0x53421890,
CPU_POWERPC_460EXb = 0x130218A4, /* called 460 but 440 core */
/* PowerPC 460 family */
#if 0
/* Generic PowerPC 464 */

38
target/ppc/translate_init.c
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@ -3833,6 +3833,44 @@ POWERPC_FAMILY(440EP)(ObjectClass *oc, void *data)
POWERPC_FLAG_DE | POWERPC_FLAG_BUS_CLK;
}
POWERPC_FAMILY(460EX)(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
dc->desc = "PowerPC 460 EX";
pcc->init_proc = init_proc_440EP;
pcc->check_pow = check_pow_nocheck;
pcc->insns_flags = PPC_INSNS_BASE | PPC_STRING |
PPC_FLOAT | PPC_FLOAT_FRES | PPC_FLOAT_FSEL |
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
PPC_FLOAT_STFIWX |
PPC_DCR | PPC_DCRX | PPC_WRTEE | PPC_RFMCI |
PPC_CACHE | PPC_CACHE_ICBI |
PPC_CACHE_DCBZ | PPC_CACHE_DCBA |
PPC_MEM_TLBSYNC | PPC_MFTB |
PPC_BOOKE | PPC_4xx_COMMON | PPC_405_MAC |
PPC_440_SPEC;
pcc->msr_mask = (1ull << MSR_POW) |
(1ull << MSR_CE) |
(1ull << MSR_EE) |
(1ull << MSR_PR) |
(1ull << MSR_FP) |
(1ull << MSR_ME) |
(1ull << MSR_FE0) |
(1ull << MSR_DWE) |
(1ull << MSR_DE) |
(1ull << MSR_FE1) |
(1ull << MSR_IR) |
(1ull << MSR_DR);
pcc->mmu_model = POWERPC_MMU_BOOKE;
pcc->excp_model = POWERPC_EXCP_BOOKE;
pcc->bus_model = PPC_FLAGS_INPUT_BookE;
pcc->bfd_mach = bfd_mach_ppc_403;
pcc->flags = POWERPC_FLAG_CE | POWERPC_FLAG_DWE |
POWERPC_FLAG_DE | POWERPC_FLAG_BUS_CLK;
}
static void init_proc_440GP(CPUPPCState *env)
{
/* Time base */