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#define CPU_PPC_H |
#define CPU_PPC_H |
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/* |
/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2005-2006 Anders Gavare. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: cpu_ppc.h,v 1.29 2005/08/14 23:44:23 debug Exp $ |
* $Id: cpu_ppc.h,v 1.64 2006/03/05 16:51:55 debug Exp $ |
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*/ |
*/ |
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#include "misc.h" |
#include "misc.h" |
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/* PPC CPU types: */ |
/* PPC CPU types: */ |
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struct ppc_cpu_type_def { |
struct ppc_cpu_type_def { |
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char *name; |
char *name; |
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int pvr; |
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int bits; |
int bits; |
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int flags; |
int flags; |
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int icache_shift; |
int icache_shift; |
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int ilinesize; |
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int iway; |
int iway; |
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int dcache_shift; |
int dcache_shift; |
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int dlinesize; |
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int dway; |
int dway; |
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int l2cache_shift; |
int l2cache_shift; |
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int l2linesize; |
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int l2way; |
int l2way; |
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int altivec; |
int altivec; |
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/* Flags: */ |
/* Flags: */ |
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#define PPC_NOFP 1 |
#define PPC_NOFP 1 |
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#define PPC_601 2 |
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#define PPC_603 4 |
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#define PPC_NO_DEC 8 /* No DEC (decrementer) SPR */ |
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/* TODO: Most of these just bogus */ |
/* TODO: Most of these just bogus */ |
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#define PPC_CPU_TYPE_DEFS { \ |
#define PPC_CPU_TYPE_DEFS { \ |
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{ "PPC405GP", 32, PPC_NOFP, 15, 2, 15, 2, 20, 1, 0 }, \ |
{ "PPC405GP", 0x40110000, 32, PPC_NOFP|PPC_NO_DEC, \ |
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{ "PPC603e", 32, 0, 14, 4, 14, 4, 0, 0, 0 }, \ |
13,5,2, 13,5,2, 0,5,1, 0 }, \ |
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{ "MPC7400", 32, 0, 15, 2, 15, 2, 19, 1, 1 }, \ |
{ "PPC601", 0, 32, PPC_601, 14,5,4, 14,5,4, 0,0,0, 0 },\ |
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{ "PPC750", 32, 0, 15, 2, 15, 2, 20, 1, 0 }, \ |
{ "PPC603", 0x00030302, 32, PPC_603, 14,5,4, 14,5,4, 0,0,0, 0 },\ |
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{ "G4e", 32, 0, 15, 8, 15, 8, 18, 8, 1 }, \ |
{ "PPC603e", 0x00060104, 32, PPC_603, 14,5,4, 14,5,4, 0,0,0, 0 },\ |
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{ "PPC970", 64, 0, 16, 1, 15, 2, 19, 1, 1 }, \ |
{ "PPC604", 0x00040304, 32, 0, 15,5,4, 15,5,4, 0,0,0, 0 }, \ |
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{ NULL, 0, 0, 0,0, 0,0, 0,0, 0 } \ |
{ "PPC620", 0x00140000, 64, 0, 15,5,4, 15,5,4, 0,0,0, 0 }, \ |
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}; |
{ "MPC7400", 0x000c0000, 32, 0, 15,5,2, 15,5,2, 19,5,1, 1 }, \ |
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{ "PPC750", 0x00084202, 32, 0, 15,5,2, 15,5,2, 20,5,1, 0 }, \ |
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{ "G4e", 0, 32, 0, 15,5,8, 15,5,8, 18,5,8, 1 }, \ |
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{ "PPC970", 0x00390000, 64, 0, 16,7,1, 15,7,2, 19,7,1, 1 }, \ |
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{ NULL, 0, 0,0,0,0,0,0,0,0,0,0,0,0 } \ |
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} |
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#define PPC_NGPRS 32 |
#define PPC_NGPRS 32 |
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#define PPC_NFPRS 32 |
#define PPC_NFPRS 32 |
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#define PPC_NVRS 32 |
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#define PPC_N_TGPRS 4 |
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#define PPC_N_IC_ARGS 3 |
#define PPC_N_IC_ARGS 3 |
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#define PPC_INSTR_ALIGNMENT_SHIFT 2 |
#define PPC_INSTR_ALIGNMENT_SHIFT 2 |
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#define PPC_ADDR_TO_PAGENR(a) ((a) >> (PPC_IC_ENTRIES_SHIFT \ |
#define PPC_ADDR_TO_PAGENR(a) ((a) >> (PPC_IC_ENTRIES_SHIFT \ |
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+ PPC_INSTR_ALIGNMENT_SHIFT)) |
+ PPC_INSTR_ALIGNMENT_SHIFT)) |
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struct ppc_instr_call { |
#define PPC_L2N 17 |
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void (*f)(struct cpu *, struct ppc_instr_call *); |
#define PPC_L3N 18 |
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size_t arg[PPC_N_IC_ARGS]; |
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}; |
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/* Translation cache struct for each physical page: */ |
DYNTRANS_MISC_DECLARATIONS(ppc,PPC,uint64_t) |
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struct ppc_tc_physpage { |
DYNTRANS_MISC64_DECLARATIONS(ppc,PPC,uint8_t) |
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uint32_t next_ofs; /* or 0 for end of chain */ |
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uint64_t physaddr; |
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int flags; |
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struct ppc_instr_call ics[PPC_IC_ENTRIES_PER_PAGE + 1]; |
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}; |
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#define PPC_N_VPH_ENTRIES 1048576 |
#define PPC_MAX_VPH_TLB_ENTRIES 128 |
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#define PPC_MAX_VPH_TLB_ENTRIES 256 |
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struct ppc_vpg_tlb_entry { |
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int valid; |
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int writeflag; |
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int64_t timestamp; |
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unsigned char *host_page; |
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uint64_t vaddr_page; |
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uint64_t paddr_page; |
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}; |
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struct ppc_cpu { |
struct ppc_cpu { |
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struct ppc_cpu_type_def cpu_type; |
struct ppc_cpu_type_def cpu_type; |
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uint64_t of_emul_addr; |
uint64_t of_emul_addr; |
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uint64_t pc_last; |
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int mode; /* MODE_PPC or MODE_POWER */ |
int mode; /* MODE_PPC or MODE_POWER */ |
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int bits; /* 32 or 64 */ |
int bits; /* 32 or 64 */ |
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int irq_asserted; /* External Interrupt flag */ |
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int dec_intr_pending;/* Decrementer interrupt pending */ |
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uint64_t zero; /* A zero register */ |
uint64_t zero; /* A zero register */ |
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uint32_t cr; /* Condition Register */ |
uint32_t cr; /* Condition Register */ |
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uint32_t fpscr; /* FP Status and Control Register */ |
uint32_t fpscr; /* FP Status and Control Register */ |
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uint64_t lr; /* Link Register */ |
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uint64_t ctr; /* Count Register */ |
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uint64_t gpr[PPC_NGPRS]; /* General Purpose Registers */ |
uint64_t gpr[PPC_NGPRS]; /* General Purpose Registers */ |
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uint64_t xer; /* FP Exception Register */ |
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uint64_t fpr[PPC_NFPRS]; /* Floating-Point Registers */ |
uint64_t fpr[PPC_NFPRS]; /* Floating-Point Registers */ |
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uint32_t tbl; /* Time Base Lower */ |
uint64_t vr_hi[PPC_NVRS];/* 128-bit Vector registers */ |
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uint32_t tbu; /* Time Base Upper */ |
uint64_t vr_lo[PPC_NVRS];/* (Hi and lo 64-bit parts) */ |
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uint32_t dec; /* Decrementer */ |
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uint32_t hdec; /* Hypervisor Decrementer */ |
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uint64_t ssr0; /* Machine status save/restore |
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register 0 */ |
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uint64_t ssr1; /* Machine status save/restore |
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register 1 */ |
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uint64_t msr; /* Machine state register */ |
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uint64_t sprg0; /* Special Purpose Register G0 */ |
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uint64_t sprg1; /* Special Purpose Register G1 */ |
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uint64_t sprg2; /* Special Purpose Register G2 */ |
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uint64_t sprg3; /* Special Purpose Register G3 */ |
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uint32_t pvr; /* Processor Version Register */ |
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uint32_t pir; /* Processor ID */ |
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uint64_t msr; /* Machine state register */ |
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uint64_t tgpr[PPC_N_TGPRS];/*Temporary gpr 0..3 */ |
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/* |
uint32_t sr[16]; /* Segment registers. */ |
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* Instruction translation cache: |
uint64_t spr[1024]; |
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*/ |
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/* cur_ic_page is a pointer to an array of PPC_IC_ENTRIES_PER_PAGE |
uint64_t ll_addr; /* Load-linked / store-conditional */ |
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instruction call entries. next_ic points to the next such |
int ll_bit; |
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call to be executed. */ |
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struct ppc_tc_physpage *cur_physpage; |
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struct ppc_instr_call *cur_ic_page; |
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struct ppc_instr_call *next_ic; |
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/* |
/* |
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* Virtual -> physical -> host address translation: |
* Instruction translation cache and Virtual->Physical->Host |
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* address translation: |
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* host_load and host_store point to arrays of PPC_N_VPH_ENTRIES |
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* pointers (to host pages); phys_addr points to an array of |
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* PPC_N_VPH_ENTRIES uint32_t. |
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*/ |
*/ |
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DYNTRANS_ITC(ppc) |
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struct ppc_vpg_tlb_entry vph_tlb_entry[PPC_MAX_VPH_TLB_ENTRIES]; |
VPH_TLBS(ppc,PPC) |
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unsigned char *host_load[PPC_N_VPH_ENTRIES]; |
VPH32(ppc,PPC,uint64_t,uint8_t) |
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unsigned char *host_store[PPC_N_VPH_ENTRIES]; |
VPH64(ppc,PPC,uint8_t) |
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uint32_t phys_addr[PPC_N_VPH_ENTRIES]; |
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struct ppc_tc_physpage *phys_page[PPC_N_VPH_ENTRIES]; |
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}; |
}; |
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/* bits 62..61 are reserved */ |
/* bits 62..61 are reserved */ |
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#define PPC_MSR_HV (1ULL << 60) /* Hypervisor */ |
#define PPC_MSR_HV (1ULL << 60) /* Hypervisor */ |
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/* bits 59..17 are reserved */ |
/* bits 59..17 are reserved */ |
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#define PPC_MSR_VEC (1 << 25) /* Altivec Enable */ |
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#define PPC_MSR_TGPR (1 << 17) /* Temporary gpr0..3 */ |
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#define PPC_MSR_ILE (1 << 16) /* Interrupt Little-Endian Mode */ |
#define PPC_MSR_ILE (1 << 16) /* Interrupt Little-Endian Mode */ |
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#define PPC_MSR_EE (1 << 15) /* External Interrupt Enable */ |
#define PPC_MSR_EE (1 << 15) /* External Interrupt Enable */ |
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#define PPC_MSR_PR (1 << 14) /* Problem State */ |
#define PPC_MSR_PR (1 << 14) /* Problem/Privilege State */ |
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#define PPC_MSR_FP (1 << 13) /* Floating-Point Available */ |
#define PPC_MSR_FP (1 << 13) /* Floating-Point Available */ |
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#define PPC_MSR_ME (1 << 12) /* Machine Check Interrupt Enable */ |
#define PPC_MSR_ME (1 << 12) /* Machine Check Interrupt Enable */ |
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#define PPC_MSR_FE0 (1 << 11) /* Floating-Point Exception Mode 0 */ |
#define PPC_MSR_FE0 (1 << 11) /* Floating-Point Exception Mode 0 */ |
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#define PPC_MSR_SE (1 << 10) /* Single-Step Trace Enable */ |
#define PPC_MSR_SE (1 << 10) /* Single-Step Trace Enable */ |
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#define PPC_MSR_BE (1 << 9) /* Branch Trace Enable */ |
#define PPC_MSR_BE (1 << 9) /* Branch Trace Enable */ |
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#define PPC_MSR_FE1 (1 << 8) /* Floating-Point Exception Mode 1 */ |
#define PPC_MSR_FE1 (1 << 8) /* Floating-Point Exception Mode 1 */ |
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#define PPC_MSR_IP (1 << 6) /* Vector Table at 0xfff00000 */ |
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#define PPC_MSR_IR (1 << 5) /* Instruction Relocate */ |
#define PPC_MSR_IR (1 << 5) /* Instruction Relocate */ |
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#define PPC_MSR_DR (1 << 4) /* Data Relocate */ |
#define PPC_MSR_DR (1 << 4) /* Data Relocate */ |
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#define PPC_MSR_PMM (1 << 2) /* Performance Monitor Mark */ |
#define PPC_MSR_PMM (1 << 2) /* Performance Monitor Mark */ |
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#define PPC_MSR_RI (1 << 1) /* Recoverable Interrupt */ |
#define PPC_MSR_RI (1 << 1) /* Recoverable Interrupt */ |
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#define PPC_MSR_LE (1) /* Little-Endian Mode */ |
#define PPC_MSR_LE (1) /* Little-Endian Mode */ |
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/* Floating-point Status: */ |
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#define PPC_FPSCR_FX (1 << 31) /* Exception summary */ |
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#define PPC_FPSCR_FEX (1 << 30) /* Enabled Exception summary */ |
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#define PPC_FPSCR_VX (1 << 29) /* Invalid Operation summary */ |
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/* .. TODO */ |
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#define PPC_FPSCR_VXNAN (1 << 24) |
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/* .. TODO */ |
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#define PPC_FPSCR_FPCC 0x0000f000 |
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#define PPC_FPSCR_FPCC_SHIFT 12 |
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#define PPC_FPSCR_FL (1 << 15) /* Less than */ |
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#define PPC_FPSCR_FG (1 << 14) /* Greater than */ |
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#define PPC_FPSCR_FE (1 << 13) /* Equal or Zero */ |
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#define PPC_FPSCR_FU (1 << 12) /* Unordered or NaN */ |
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/* Exceptions: */ |
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#define PPC_EXCEPTION_DSI 0x3 /* Data Storage Interrupt */ |
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#define PPC_EXCEPTION_ISI 0x4 /* Instruction Storage Interrupt */ |
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#define PPC_EXCEPTION_EI 0x5 /* External interrupt */ |
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#define PPC_EXCEPTION_FPU 0x8 /* Floating-Point unavailable */ |
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#define PPC_EXCEPTION_DEC 0x9 /* Decrementer */ |
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#define PPC_EXCEPTION_SC 0xc /* Syscall */ |
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/* XER bits: */ |
/* XER bits: */ |
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#define PPC_XER_SO (1 << 31) /* Summary Overflow */ |
#define PPC_XER_SO (1UL << 31) /* Summary Overflow */ |
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#define PPC_XER_OV (1 << 30) /* Overflow */ |
#define PPC_XER_OV (1 << 30) /* Overflow */ |
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#define PPC_XER_CA (1 << 29) /* Carry */ |
#define PPC_XER_CA (1 << 29) /* Carry */ |
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/* cpu_ppc.c: */ |
/* cpu_ppc.c: */ |
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void ppc_exception(struct cpu *cpu, int exception_nr); |
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void ppc_update_translation_table(struct cpu *cpu, uint64_t vaddr_page, |
void ppc_update_translation_table(struct cpu *cpu, uint64_t vaddr_page, |
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unsigned char *host_page, int writeflag, uint64_t paddr_page); |
unsigned char *host_page, int writeflag, uint64_t paddr_page); |
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void ppc_invalidate_translation_caches_paddr(struct cpu *cpu, uint64_t paddr); |
void ppc32_update_translation_table(struct cpu *cpu, uint64_t vaddr_page, |
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void ppc_invalidate_code_translation_caches(struct cpu *cpu); |
unsigned char *host_page, int writeflag, uint64_t paddr_page); |
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void ppc_invalidate_translation_caches(struct cpu *cpu, uint64_t, int); |
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void ppc32_invalidate_translation_caches(struct cpu *cpu, uint64_t, int); |
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void ppc_invalidate_code_translation(struct cpu *cpu, uint64_t, int); |
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void ppc32_invalidate_code_translation(struct cpu *cpu, uint64_t, int); |
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void ppc_init_64bit_dummy_tables(struct cpu *cpu); |
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int ppc_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr, |
int ppc_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr, |
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unsigned char *data, size_t len, int writeflag, int cache_flags); |
unsigned char *data, size_t len, int writeflag, int cache_flags); |
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int ppc_cpu_family_init(struct cpu_family *); |
int ppc_cpu_family_init(struct cpu_family *); |
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/* memory_ppc.c: */ |
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int ppc_translate_address(struct cpu *cpu, uint64_t vaddr, |
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uint64_t *return_addr, int flags); |
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#endif /* CPU_PPC_H */ |
#endif /* CPU_PPC_H */ |