| /* |
| * PowerPC emulation cpu definitions for qemu. |
| * |
| * Copyright (c) 2003-2005 Jocelyn Mayer |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #if !defined (__CPU_PPC_H__) |
| #define __CPU_PPC_H__ |
| |
| #include "config.h" |
| |
| #define TARGET_LONG_BITS 32 |
| |
| #include "cpu-defs.h" |
| |
| #include <setjmp.h> |
| |
| #include "softfloat.h" |
| |
| #define TARGET_HAS_ICE 1 |
| |
| /* XXX: this should be tunable: PowerPC 601 & 64 bits PowerPC |
| * have different cache line sizes |
| */ |
| #define ICACHE_LINE_SIZE 32 |
| #define DCACHE_LINE_SIZE 32 |
| |
| /* XXX: put this in a common place */ |
| #define likely(x) __builtin_expect(!!(x), 1) |
| |
| /*****************************************************************************/ |
| /* PVR definitions for most known PowerPC */ |
| enum { |
| /* PowerPC 401 cores */ |
| CPU_PPC_401A1 = 0x00210000, |
| CPU_PPC_401B2 = 0x00220000, |
| CPU_PPC_401C2 = 0x00230000, |
| CPU_PPC_401D2 = 0x00240000, |
| CPU_PPC_401E2 = 0x00250000, |
| CPU_PPC_401F2 = 0x00260000, |
| CPU_PPC_401G2 = 0x00270000, |
| CPU_PPC_IOP480 = 0x40100000, |
| /* PowerPC 403 cores */ |
| CPU_PPC_403GA = 0x00200000, |
| CPU_PPC_403GB = 0x00200100, |
| CPU_PPC_403GC = 0x00200200, |
| CPU_PPC_403GCX = 0x00201400, |
| /* PowerPC 405 cores */ |
| CPU_PPC_405 = 0x40110000, |
| CPU_PPC_405EP = 0x51210000, |
| CPU_PPC_405GPR = 0x50910000, |
| CPU_PPC_405D2 = 0x20010000, |
| CPU_PPC_405D4 = 0x41810000, |
| CPU_PPC_NPE405H = 0x41410000, |
| CPU_PPC_NPE405L = 0x41610000, |
| #if 0 |
| CPU_PPC_STB02 = xxx, |
| #endif |
| CPU_PPC_STB03 = 0x40310000, |
| #if 0 |
| CPU_PPC_STB04 = xxx, |
| #endif |
| CPU_PPC_STB25 = 0x51510000, |
| #if 0 |
| CPU_PPC_STB130 = xxx, |
| #endif |
| /* PowerPC 440 cores */ |
| CPU_PPC_440EP = 0x42220000, |
| CPU_PPC_440GP = 0x40120400, |
| CPU_PPC_440GX = 0x51B20000, |
| /* PowerPC MPC 8xx cores */ |
| CPU_PPC_8540 = 0x80200000, |
| CPU_PPC_8xx = 0x00500000, |
| CPU_PPC_8240 = 0x00810100, |
| CPU_PPC_8245 = 0x00811014, |
| /* PowerPC 6xx cores */ |
| CPU_PPC_601 = 0x00010000, |
| CPU_PPC_602 = 0x00050000, |
| CPU_PPC_603 = 0x00030000, |
| CPU_PPC_603E = 0x00060000, |
| CPU_PPC_603EV = 0x00070000, |
| CPU_PPC_603R = 0x00071000, |
| CPU_PPC_G2 = 0x80810000, |
| CPU_PPC_G2LE = 0x80820000, |
| CPU_PPC_604 = 0x00040000, |
| CPU_PPC_604E = 0x00090000, |
| CPU_PPC_604R = 0x000a0000, |
| /* PowerPC 74x/75x cores (aka G3) */ |
| CPU_PPC_74x = 0x00080000, |
| CPU_PPC_755 = 0x00083000, |
| CPU_PPC_74xP = 0x10080000, |
| CPU_PPC_750CXE22 = 0x00082202, |
| CPU_PPC_750CXE24 = 0x00082214, |
| CPU_PPC_750CXE24b = 0x00083214, |
| CPU_PPC_750CXE31 = 0x00083211, |
| CPU_PPC_750CXE31b = 0x00083311, |
| #define CPU_PPC_750CXE CPU_PPC_750CXE31b |
| CPU_PPC_750FX = 0x70000000, |
| CPU_PPC_750GX = 0x70020000, |
| /* PowerPC 74xx cores (aka G4) */ |
| CPU_PPC_7400 = 0x000C0000, |
| CPU_PPC_7410 = 0x800C0000, |
| CPU_PPC_7441 = 0x80000200, |
| CPU_PPC_7450 = 0x80000000, |
| CPU_PPC_7451 = 0x80000203, |
| CPU_PPC_7455 = 0x80010000, |
| CPU_PPC_7457 = 0x80020000, |
| CPU_PPC_7457A = 0x80030000, |
| /* 64 bits PowerPC */ |
| CPU_PPC_620 = 0x00140000, |
| CPU_PPC_630 = 0x00400000, |
| CPU_PPC_631 = 0x00410000, |
| CPU_PPC_POWER4 = 0x00350000, |
| CPU_PPC_POWER4P = 0x00380000, |
| CPU_PPC_POWER5 = 0x003A0000, |
| CPU_PPC_POWER5P = 0x003B0000, |
| CPU_PPC_970 = 0x00390000, |
| CPU_PPC_970FX = 0x003C0000, |
| CPU_PPC_RS64 = 0x00330000, |
| CPU_PPC_RS64II = 0x00340000, |
| CPU_PPC_RS64III = 0x00360000, |
| CPU_PPC_RS64IV = 0x00370000, |
| /* Original POWER */ |
| /* XXX: should be POWER (RIOS), RSC3308, RSC4608, |
| * POWER2 (RIOS2) & RSC2 (P2SC) here |
| */ |
| #if 0 |
| CPU_POWER = xxx, |
| #endif |
| #if 0 |
| CPU_POWER2 = xxx, |
| #endif |
| }; |
| |
| /* System version register (used on MPC 8xx) */ |
| enum { |
| PPC_SVR_8540 = 0x80300000, |
| PPC_SVR_8541E = 0x807A0000, |
| PPC_SVR_8555E = 0x80790000, |
| PPC_SVR_8560 = 0x80700000, |
| }; |
| |
| /*****************************************************************************/ |
| /* Instruction types */ |
| enum { |
| PPC_NONE = 0x00000000, |
| /* integer operations instructions */ |
| /* flow control instructions */ |
| /* virtual memory instructions */ |
| /* ld/st with reservation instructions */ |
| /* cache control instructions */ |
| /* spr/msr access instructions */ |
| PPC_INSNS_BASE = 0x00000001, |
| #define PPC_INTEGER PPC_INSNS_BASE |
| #define PPC_FLOW PPC_INSNS_BASE |
| #define PPC_MEM PPC_INSNS_BASE |
| #define PPC_RES PPC_INSNS_BASE |
| #define PPC_CACHE PPC_INSNS_BASE |
| #define PPC_MISC PPC_INSNS_BASE |
| /* floating point operations instructions */ |
| PPC_FLOAT = 0x00000002, |
| /* more floating point operations instructions */ |
| PPC_FLOAT_EXT = 0x00000004, |
| /* external control instructions */ |
| PPC_EXTERN = 0x00000008, |
| /* segment register access instructions */ |
| PPC_SEGMENT = 0x00000010, |
| /* Optional cache control instructions */ |
| PPC_CACHE_OPT = 0x00000020, |
| /* Optional floating point op instructions */ |
| PPC_FLOAT_OPT = 0x00000040, |
| /* Optional memory control instructions */ |
| PPC_MEM_TLBIA = 0x00000080, |
| PPC_MEM_TLBIE = 0x00000100, |
| PPC_MEM_TLBSYNC = 0x00000200, |
| /* eieio & sync */ |
| PPC_MEM_SYNC = 0x00000400, |
| /* PowerPC 6xx TLB management instructions */ |
| PPC_6xx_TLB = 0x00000800, |
| /* Altivec support */ |
| PPC_ALTIVEC = 0x00001000, |
| /* Time base support */ |
| PPC_TB = 0x00002000, |
| /* Embedded PowerPC dedicated instructions */ |
| PPC_4xx_COMMON = 0x00004000, |
| /* PowerPC 40x exception model */ |
| PPC_40x_EXCP = 0x00008000, |
| /* PowerPC 40x specific instructions */ |
| PPC_40x_SPEC = 0x00010000, |
| /* PowerPC 405 Mac instructions */ |
| PPC_405_MAC = 0x00020000, |
| /* PowerPC 440 specific instructions */ |
| PPC_440_SPEC = 0x00040000, |
| /* Specific extensions */ |
| /* Power-to-PowerPC bridge (601) */ |
| PPC_POWER_BR = 0x00080000, |
| /* PowerPC 602 specific */ |
| PPC_602_SPEC = 0x00100000, |
| /* Deprecated instructions */ |
| /* Original POWER instruction set */ |
| PPC_POWER = 0x00200000, |
| /* POWER2 instruction set extension */ |
| PPC_POWER2 = 0x00400000, |
| /* Power RTC support */ |
| PPC_POWER_RTC = 0x00800000, |
| /* 64 bits PowerPC instructions */ |
| /* 64 bits PowerPC instruction set */ |
| PPC_64B = 0x01000000, |
| /* 64 bits hypervisor extensions */ |
| PPC_64H = 0x02000000, |
| /* 64 bits PowerPC "bridge" features */ |
| PPC_64_BRIDGE = 0x04000000, |
| }; |
| |
| /* CPU run-time flags (MMU and exception model) */ |
| enum { |
| /* MMU model */ |
| #define PPC_FLAGS_MMU_MASK (0x0000000F) |
| /* Standard 32 bits PowerPC MMU */ |
| PPC_FLAGS_MMU_32B = 0x00000000, |
| /* Standard 64 bits PowerPC MMU */ |
| PPC_FLAGS_MMU_64B = 0x00000001, |
| /* PowerPC 601 MMU */ |
| PPC_FLAGS_MMU_601 = 0x00000002, |
| /* PowerPC 6xx MMU with software TLB */ |
| PPC_FLAGS_MMU_SOFT_6xx = 0x00000003, |
| /* PowerPC 4xx MMU with software TLB */ |
| PPC_FLAGS_MMU_SOFT_4xx = 0x00000004, |
| /* PowerPC 403 MMU */ |
| PPC_FLAGS_MMU_403 = 0x00000005, |
| /* Exception model */ |
| #define PPC_FLAGS_EXCP_MASK (0x000000F0) |
| /* Standard PowerPC exception model */ |
| PPC_FLAGS_EXCP_STD = 0x00000000, |
| /* PowerPC 40x exception model */ |
| PPC_FLAGS_EXCP_40x = 0x00000010, |
| /* PowerPC 601 exception model */ |
| PPC_FLAGS_EXCP_601 = 0x00000020, |
| /* PowerPC 602 exception model */ |
| PPC_FLAGS_EXCP_602 = 0x00000030, |
| /* PowerPC 603 exception model */ |
| PPC_FLAGS_EXCP_603 = 0x00000040, |
| /* PowerPC 604 exception model */ |
| PPC_FLAGS_EXCP_604 = 0x00000050, |
| /* PowerPC 7x0 exception model */ |
| PPC_FLAGS_EXCP_7x0 = 0x00000060, |
| /* PowerPC 7x5 exception model */ |
| PPC_FLAGS_EXCP_7x5 = 0x00000070, |
| /* PowerPC 74xx exception model */ |
| PPC_FLAGS_EXCP_74xx = 0x00000080, |
| /* PowerPC 970 exception model */ |
| PPC_FLAGS_EXCP_970 = 0x00000090, |
| }; |
| |
| #define PPC_MMU(env) (env->flags & PPC_FLAGS_MMU_MASK) |
| #define PPC_EXCP(env) (env->flags & PPC_FLAGS_EXCP_MASK) |
| |
| /*****************************************************************************/ |
| /* Supported instruction set definitions */ |
| /* This generates an empty opcode table... */ |
| #define PPC_INSNS_TODO (PPC_NONE) |
| #define PPC_FLAGS_TODO (0x00000000) |
| |
| /* PowerPC 40x instruction set */ |
| #define PPC_INSNS_4xx (PPC_INSNS_BASE | PPC_MEM_TLBSYNC | PPC_4xx_COMMON) |
| /* PowerPC 401 */ |
| #define PPC_INSNS_401 (PPC_INSNS_TODO) |
| #define PPC_FLAGS_401 (PPC_FLAGS_TODO) |
| /* PowerPC 403 */ |
| #define PPC_INSNS_403 (PPC_INSNS_4xx | PPC_MEM_SYNC | PPC_MEM_TLBIA | \ |
| PPC_40x_EXCP | PPC_40x_SPEC) |
| #define PPC_FLAGS_403 (PPC_FLAGS_MMU_403 | PPC_FLAGS_EXCP_40x) |
| /* PowerPC 405 */ |
| #define PPC_INSNS_405 (PPC_INSNS_4xx | PPC_MEM_SYNC | PPC_CACHE_OPT | \ |
| PPC_MEM_TLBIA | PPC_TB | PPC_40x_SPEC | PPC_40x_EXCP | \ |
| PPC_405_MAC) |
| #define PPC_FLAGS_405 (PPC_FLAGS_MMU_SOFT_4xx | PPC_FLAGS_EXCP_40x) |
| /* PowerPC 440 */ |
| #define PPC_INSNS_440 (PPC_INSNS_4xx | PPC_CACHE_OPT | PPC_405_MAC | \ |
| PPC_440_SPEC) |
| #define PPC_FLAGS_440 (PPC_FLAGS_TODO) |
| /* Non-embedded PowerPC */ |
| #define PPC_INSNS_COMMON (PPC_INSNS_BASE | PPC_FLOAT | PPC_MEM_SYNC | \ |
| PPC_SEGMENT | PPC_MEM_TLBIE) |
| /* PowerPC 601 */ |
| #define PPC_INSNS_601 (PPC_INSNS_COMMON | PPC_EXTERN | PPC_POWER_BR) |
| #define PPC_FLAGS_601 (PPC_FLAGS_MMU_601 | PPC_FLAGS_EXCP_601) |
| /* PowerPC 602 */ |
| #define PPC_INSNS_602 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_6xx_TLB | \ |
| PPC_MEM_TLBSYNC | PPC_TB) |
| #define PPC_FLAGS_602 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_602) |
| /* PowerPC 603 */ |
| #define PPC_INSNS_603 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_6xx_TLB | \ |
| PPC_MEM_TLBSYNC | PPC_EXTERN | PPC_TB) |
| #define PPC_FLAGS_603 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_603) |
| /* PowerPC G2 */ |
| #define PPC_INSNS_G2 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_6xx_TLB | \ |
| PPC_MEM_TLBSYNC | PPC_EXTERN | PPC_TB) |
| #define PPC_FLAGS_G2 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_603) |
| /* PowerPC 604 */ |
| #define PPC_INSNS_604 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_EXTERN | \ |
| PPC_MEM_TLBSYNC | PPC_TB) |
| #define PPC_FLAGS_604 (PPC_FLAGS_MMU_32B | PPC_FLAGS_EXCP_604) |
| /* PowerPC 740/750 (aka G3) */ |
| #define PPC_INSNS_7x0 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_EXTERN | \ |
| PPC_MEM_TLBSYNC | PPC_TB) |
| #define PPC_FLAGS_7x0 (PPC_FLAGS_MMU_32B | PPC_FLAGS_EXCP_7x0) |
| /* PowerPC 745/755 */ |
| #define PPC_INSNS_7x5 (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_EXTERN | \ |
| PPC_MEM_TLBSYNC | PPC_TB | PPC_6xx_TLB) |
| #define PPC_FLAGS_7x5 (PPC_FLAGS_MMU_SOFT_6xx | PPC_FLAGS_EXCP_7x5) |
| /* PowerPC 74xx (aka G4) */ |
| #define PPC_INSNS_74xx (PPC_INSNS_COMMON | PPC_FLOAT_EXT | PPC_ALTIVEC | \ |
| PPC_MEM_TLBSYNC | PPC_TB) |
| #define PPC_FLAGS_74xx (PPC_FLAGS_MMU_32B | PPC_FLAGS_EXCP_74xx) |
| |
| /* Default PowerPC will be 604/970 */ |
| #define PPC_INSNS_PPC32 PPC_INSNS_604 |
| #define PPC_FLAGS_PPC32 PPC_FLAGS_604 |
| #if 0 |
| #define PPC_INSNS_PPC64 PPC_INSNS_970 |
| #define PPC_FLAGS_PPC64 PPC_FLAGS_970 |
| #endif |
| #define PPC_INSNS_DEFAULT PPC_INSNS_604 |
| #define PPC_FLAGS_DEFAULT PPC_FLAGS_604 |
| typedef struct ppc_def_t ppc_def_t; |
| |
| /*****************************************************************************/ |
| /* Types used to describe some PowerPC registers */ |
| typedef struct CPUPPCState CPUPPCState; |
| typedef struct opc_handler_t opc_handler_t; |
| typedef struct ppc_tb_t ppc_tb_t; |
| typedef struct ppc_spr_t ppc_spr_t; |
| typedef struct ppc_dcr_t ppc_dcr_t; |
| typedef struct ppc_avr_t ppc_avr_t; |
| |
| /* SPR access micro-ops generations callbacks */ |
| struct ppc_spr_t { |
| void (*uea_read)(void *opaque, int spr_num); |
| void (*uea_write)(void *opaque, int spr_num); |
| void (*oea_read)(void *opaque, int spr_num); |
| void (*oea_write)(void *opaque, int spr_num); |
| const unsigned char *name; |
| }; |
| |
| /* Altivec registers (128 bits) */ |
| struct ppc_avr_t { |
| uint32_t u[4]; |
| }; |
| |
| /* Software TLB cache */ |
| typedef struct ppc_tlb_t ppc_tlb_t; |
| struct ppc_tlb_t { |
| /* Physical page number */ |
| target_phys_addr_t RPN; |
| /* Virtual page number */ |
| target_ulong VPN; |
| /* Page size */ |
| target_ulong size; |
| /* Protection bits */ |
| int prot; |
| int is_user; |
| uint32_t private; |
| uint32_t flags; |
| }; |
| |
| /*****************************************************************************/ |
| /* Machine state register bits definition */ |
| #define MSR_SF 63 /* Sixty-four-bit mode */ |
| #define MSR_ISF 61 /* Sixty-four-bit interrupt mode on 630 */ |
| #define MSR_HV 60 /* hypervisor state */ |
| #define MSR_VR 25 /* altivec available */ |
| #define MSR_AP 23 /* Access privilege state on 602 */ |
| #define MSR_SA 22 /* Supervisor access mode on 602 */ |
| #define MSR_KEY 19 /* key bit on 603e */ |
| #define MSR_POW 18 /* Power management */ |
| #define MSR_WE 18 /* Wait state enable on embedded PowerPC */ |
| #define MSR_TGPR 17 /* TGPR usage on 602/603 */ |
| #define MSR_TLB 17 /* TLB on ? */ |
| #define MSR_CE 17 /* Critical interrupt enable on embedded PowerPC */ |
| #define MSR_ILE 16 /* Interrupt little-endian mode */ |
| #define MSR_EE 15 /* External interrupt enable */ |
| #define MSR_PR 14 /* Problem state */ |
| #define MSR_FP 13 /* Floating point available */ |
| #define MSR_ME 12 /* Machine check interrupt enable */ |
| #define MSR_FE0 11 /* Floating point exception mode 0 */ |
| #define MSR_SE 10 /* Single-step trace enable */ |
| #define MSR_DWE 10 /* Debug wait enable on 405 */ |
| #define MSR_BE 9 /* Branch trace enable */ |
| #define MSR_DE 9 /* Debug interrupts enable on embedded PowerPC */ |
| #define MSR_FE1 8 /* Floating point exception mode 1 */ |
| #define MSR_AL 7 /* AL bit on POWER */ |
| #define MSR_IP 6 /* Interrupt prefix */ |
| #define MSR_IR 5 /* Instruction relocate */ |
| #define MSR_IS 5 /* Instruction address space on embedded PowerPC */ |
| #define MSR_DR 4 /* Data relocate */ |
| #define MSR_DS 4 /* Data address space on embedded PowerPC */ |
| #define MSR_PE 3 /* Protection enable on 403 */ |
| #define MSR_EP 3 /* Exception prefix on 601 */ |
| #define MSR_PX 2 /* Protection exclusive on 403 */ |
| #define MSR_PMM 2 /* Performance monitor mark on POWER */ |
| #define MSR_RI 1 /* Recoverable interrupt */ |
| #define MSR_LE 0 /* Little-endian mode */ |
| #define msr_sf env->msr[MSR_SF] |
| #define msr_isf env->msr[MSR_ISF] |
| #define msr_hv env->msr[MSR_HV] |
| #define msr_vr env->msr[MSR_VR] |
| #define msr_ap env->msr[MSR_AP] |
| #define msr_sa env->msr[MSR_SA] |
| #define msr_key env->msr[MSR_KEY] |
| #define msr_pow env->msr[MSR_POW] |
| #define msr_we env->msr[MSR_WE] |
| #define msr_tgpr env->msr[MSR_TGPR] |
| #define msr_tlb env->msr[MSR_TLB] |
| #define msr_ce env->msr[MSR_CE] |
| #define msr_ile env->msr[MSR_ILE] |
| #define msr_ee env->msr[MSR_EE] |
| #define msr_pr env->msr[MSR_PR] |
| #define msr_fp env->msr[MSR_FP] |
| #define msr_me env->msr[MSR_ME] |
| #define msr_fe0 env->msr[MSR_FE0] |
| #define msr_se env->msr[MSR_SE] |
| #define msr_dwe env->msr[MSR_DWE] |
| #define msr_be env->msr[MSR_BE] |
| #define msr_de env->msr[MSR_DE] |
| #define msr_fe1 env->msr[MSR_FE1] |
| #define msr_al env->msr[MSR_AL] |
| #define msr_ip env->msr[MSR_IP] |
| #define msr_ir env->msr[MSR_IR] |
| #define msr_is env->msr[MSR_IS] |
| #define msr_dr env->msr[MSR_DR] |
| #define msr_ds env->msr[MSR_DS] |
| #define msr_pe env->msr[MSR_PE] |
| #define msr_ep env->msr[MSR_EP] |
| #define msr_px env->msr[MSR_PX] |
| #define msr_pmm env->msr[MSR_PMM] |
| #define msr_ri env->msr[MSR_RI] |
| #define msr_le env->msr[MSR_LE] |
| |
| /*****************************************************************************/ |
| /* The whole PowerPC CPU context */ |
| struct CPUPPCState { |
| /* First are the most commonly used resources |
| * during translated code execution |
| */ |
| #if TARGET_LONG_BITS > HOST_LONG_BITS |
| /* temporary fixed-point registers |
| * used to emulate 64 bits target on 32 bits hosts |
| */ |
| target_ulong t0, t1, t2; |
| #endif |
| /* general purpose registers */ |
| target_ulong gpr[32]; |
| /* LR */ |
| target_ulong lr; |
| /* CTR */ |
| target_ulong ctr; |
| /* condition register */ |
| uint8_t crf[8]; |
| /* XER */ |
| /* XXX: We use only 5 fields, but we want to keep the structure aligned */ |
| uint8_t xer[8]; |
| /* Reservation address */ |
| target_ulong reserve; |
| |
| /* Those ones are used in supervisor mode only */ |
| /* machine state register */ |
| uint8_t msr[64]; |
| /* temporary general purpose registers */ |
| target_ulong tgpr[4]; /* Used to speed-up TLB assist handlers */ |
| |
| /* Floating point execution context */ |
| /* temporary float registers */ |
| float64 ft0; |
| float64 ft1; |
| float64 ft2; |
| float_status fp_status; |
| /* floating point registers */ |
| float64 fpr[32]; |
| /* floating point status and control register */ |
| uint8_t fpscr[8]; |
| |
| CPU_COMMON |
| |
| int halted; /* TRUE if the CPU is in suspend state */ |
| |
| int access_type; /* when a memory exception occurs, the access |
| type is stored here */ |
| |
| /* MMU context */ |
| /* Address space register */ |
| target_ulong asr; |
| /* segment registers */ |
| target_ulong sdr1; |
| target_ulong sr[16]; |
| /* BATs */ |
| int nb_BATs; |
| target_ulong DBAT[2][8]; |
| target_ulong IBAT[2][8]; |
| |
| /* Other registers */ |
| /* Special purpose registers */ |
| target_ulong spr[1024]; |
| /* Altivec registers */ |
| ppc_avr_t avr[32]; |
| uint32_t vscr; |
| |
| /* Internal devices resources */ |
| /* Time base and decrementer */ |
| ppc_tb_t *tb_env; |
| /* Device control registers */ |
| int (*dcr_read)(ppc_dcr_t *dcr_env, int dcr_num, target_ulong *val); |
| int (*dcr_write)(ppc_dcr_t *dcr_env, int dcr_num, target_ulong val); |
| ppc_dcr_t *dcr_env; |
| |
| /* PowerPC TLB registers (for 4xx and 60x software driven TLBs) */ |
| int nb_tlb; |
| int nb_ways, last_way; |
| ppc_tlb_t tlb[128]; |
| /* Callbacks for specific checks on some implementations */ |
| int (*tlb_check_more)(CPUPPCState *env, struct ppc_tlb_t *tlb, int *prot, |
| target_ulong vaddr, int rw, int acc_type, |
| int is_user); |
| /* 403 dedicated access protection registers */ |
| target_ulong pb[4]; |
| |
| /* Those resources are used during exception processing */ |
| /* CPU model definition */ |
| uint64_t msr_mask; |
| uint32_t flags; |
| |
| int exception_index; |
| int error_code; |
| int interrupt_request; |
| |
| /* Those resources are used only during code translation */ |
| /* Next instruction pointer */ |
| target_ulong nip; |
| /* SPR translation callbacks */ |
| ppc_spr_t spr_cb[1024]; |
| /* opcode handlers */ |
| opc_handler_t *opcodes[0x40]; |
| |
| /* Those resources are used only in Qemu core */ |
| jmp_buf jmp_env; |
| int user_mode_only; /* user mode only simulation */ |
| uint32_t hflags; |
| |
| /* Power management */ |
| int power_mode; |
| |
| /* temporary hack to handle OSI calls (only used if non NULL) */ |
| int (*osi_call)(struct CPUPPCState *env); |
| }; |
| |
| /*****************************************************************************/ |
| CPUPPCState *cpu_ppc_init(void); |
| int cpu_ppc_exec(CPUPPCState *s); |
| void cpu_ppc_close(CPUPPCState *s); |
| /* you can call this signal handler from your SIGBUS and SIGSEGV |
| signal handlers to inform the virtual CPU of exceptions. non zero |
| is returned if the signal was handled by the virtual CPU. */ |
| struct siginfo; |
| int cpu_ppc_signal_handler(int host_signum, struct siginfo *info, |
| void *puc); |
| |
| void do_interrupt (CPUPPCState *env); |
| void cpu_loop_exit(void); |
| |
| void dump_stack (CPUPPCState *env); |
| |
| target_ulong do_load_ibatu (CPUPPCState *env, int nr); |
| target_ulong do_load_ibatl (CPUPPCState *env, int nr); |
| void do_store_ibatu (CPUPPCState *env, int nr, target_ulong value); |
| void do_store_ibatl (CPUPPCState *env, int nr, target_ulong value); |
| target_ulong do_load_dbatu (CPUPPCState *env, int nr); |
| target_ulong do_load_dbatl (CPUPPCState *env, int nr); |
| void do_store_dbatu (CPUPPCState *env, int nr, target_ulong value); |
| void do_store_dbatl (CPUPPCState *env, int nr, target_ulong value); |
| |
| target_ulong do_load_nip (CPUPPCState *env); |
| void do_store_nip (CPUPPCState *env, target_ulong value); |
| target_ulong do_load_sdr1 (CPUPPCState *env); |
| void do_store_sdr1 (CPUPPCState *env, target_ulong value); |
| target_ulong do_load_asr (CPUPPCState *env); |
| void do_store_asr (CPUPPCState *env, target_ulong value); |
| target_ulong do_load_sr (CPUPPCState *env, int srnum); |
| void do_store_sr (CPUPPCState *env, int srnum, target_ulong value); |
| uint32_t do_load_cr (CPUPPCState *env); |
| void do_store_cr (CPUPPCState *env, uint32_t value, uint32_t mask); |
| uint32_t do_load_xer (CPUPPCState *env); |
| void do_store_xer (CPUPPCState *env, uint32_t value); |
| target_ulong do_load_msr (CPUPPCState *env); |
| void do_store_msr (CPUPPCState *env, target_ulong value); |
| float64 do_load_fpscr (CPUPPCState *env); |
| void do_store_fpscr (CPUPPCState *env, float64 f, uint32_t mask); |
| |
| void do_compute_hflags (CPUPPCState *env); |
| |
| int ppc_find_by_name (const unsigned char *name, ppc_def_t **def); |
| int ppc_find_by_pvr (uint32_t apvr, ppc_def_t **def); |
| void ppc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); |
| int cpu_ppc_register (CPUPPCState *env, ppc_def_t *def); |
| |
| /* Time-base and decrementer management */ |
| #ifndef NO_CPU_IO_DEFS |
| uint32_t cpu_ppc_load_tbl (CPUPPCState *env); |
| uint32_t cpu_ppc_load_tbu (CPUPPCState *env); |
| void cpu_ppc_store_tbu (CPUPPCState *env, uint32_t value); |
| void cpu_ppc_store_tbl (CPUPPCState *env, uint32_t value); |
| uint32_t cpu_ppc_load_decr (CPUPPCState *env); |
| void cpu_ppc_store_decr (CPUPPCState *env, uint32_t value); |
| #endif |
| |
| #define TARGET_PAGE_BITS 12 |
| #include "cpu-all.h" |
| |
| /*****************************************************************************/ |
| /* Registers definitions */ |
| #define ugpr(n) (env->gpr[n]) |
| |
| #define XER_SO 31 |
| #define XER_OV 30 |
| #define XER_CA 29 |
| #define XER_CMP 8 |
| #define XER_BC 0 |
| #define xer_so env->xer[4] |
| #define xer_ov env->xer[6] |
| #define xer_ca env->xer[2] |
| #define xer_cmp env->xer[1] |
| #define xer_bc env->xer[0] |
| |
| /* SPR definitions */ |
| #define SPR_MQ (0x000) |
| #define SPR_XER (0x001) |
| #define SPR_601_VRTCU (0x004) |
| #define SPR_601_VRTCL (0x005) |
| #define SPR_601_UDECR (0x006) |
| #define SPR_LR (0x008) |
| #define SPR_CTR (0x009) |
| #define SPR_DSISR (0x012) |
| #define SPR_DAR (0x013) |
| #define SPR_601_RTCU (0x014) |
| #define SPR_601_RTCL (0x015) |
| #define SPR_DECR (0x016) |
| #define SPR_SDR1 (0x019) |
| #define SPR_SRR0 (0x01A) |
| #define SPR_SRR1 (0x01B) |
| #define SPR_440_PID (0x030) |
| #define SPR_440_DECAR (0x036) |
| #define SPR_CSRR0 (0x03A) |
| #define SPR_CSRR1 (0x03B) |
| #define SPR_440_DEAR (0x03D) |
| #define SPR_440_ESR (0x03E) |
| #define SPR_440_IVPR (0x03F) |
| #define SPR_8xx_EIE (0x050) |
| #define SPR_8xx_EID (0x051) |
| #define SPR_8xx_NRE (0x052) |
| #define SPR_58x_CMPA (0x090) |
| #define SPR_58x_CMPB (0x091) |
| #define SPR_58x_CMPC (0x092) |
| #define SPR_58x_CMPD (0x093) |
| #define SPR_58x_ICR (0x094) |
| #define SPR_58x_DER (0x094) |
| #define SPR_58x_COUNTA (0x096) |
| #define SPR_58x_COUNTB (0x097) |
| #define SPR_58x_CMPE (0x098) |
| #define SPR_58x_CMPF (0x099) |
| #define SPR_58x_CMPG (0x09A) |
| #define SPR_58x_CMPH (0x09B) |
| #define SPR_58x_LCTRL1 (0x09C) |
| #define SPR_58x_LCTRL2 (0x09D) |
| #define SPR_58x_ICTRL (0x09E) |
| #define SPR_58x_BAR (0x09F) |
| #define SPR_VRSAVE (0x100) |
| #define SPR_USPRG0 (0x100) |
| #define SPR_USPRG4 (0x104) |
| #define SPR_USPRG5 (0x105) |
| #define SPR_USPRG6 (0x106) |
| #define SPR_USPRG7 (0x107) |
| #define SPR_VTBL (0x10C) |
| #define SPR_VTBU (0x10D) |
| #define SPR_SPRG0 (0x110) |
| #define SPR_SPRG1 (0x111) |
| #define SPR_SPRG2 (0x112) |
| #define SPR_SPRG3 (0x113) |
| #define SPR_SPRG4 (0x114) |
| #define SPR_SCOMC (0x114) |
| #define SPR_SPRG5 (0x115) |
| #define SPR_SCOMD (0x115) |
| #define SPR_SPRG6 (0x116) |
| #define SPR_SPRG7 (0x117) |
| #define SPR_ASR (0x118) |
| #define SPR_EAR (0x11A) |
| #define SPR_TBL (0x11C) |
| #define SPR_TBU (0x11D) |
| #define SPR_SVR (0x11E) |
| #define SPR_440_PIR (0x11E) |
| #define SPR_PVR (0x11F) |
| #define SPR_HSPRG0 (0x130) |
| #define SPR_440_DBSR (0x130) |
| #define SPR_HSPRG1 (0x131) |
| #define SPR_440_DBCR0 (0x134) |
| #define SPR_IBCR (0x135) |
| #define SPR_440_DBCR1 (0x135) |
| #define SPR_DBCR (0x136) |
| #define SPR_HDEC (0x136) |
| #define SPR_440_DBCR2 (0x136) |
| #define SPR_HIOR (0x137) |
| #define SPR_MBAR (0x137) |
| #define SPR_RMOR (0x138) |
| #define SPR_440_IAC1 (0x138) |
| #define SPR_HRMOR (0x139) |
| #define SPR_440_IAC2 (0x139) |
| #define SPR_HSSR0 (0x13A) |
| #define SPR_440_IAC3 (0x13A) |
| #define SPR_HSSR1 (0x13B) |
| #define SPR_440_IAC4 (0x13B) |
| #define SPR_LPCR (0x13C) |
| #define SPR_440_DAC1 (0x13C) |
| #define SPR_LPIDR (0x13D) |
| #define SPR_DABR2 (0x13D) |
| #define SPR_440_DAC2 (0x13D) |
| #define SPR_440_DVC1 (0x13E) |
| #define SPR_440_DVC2 (0x13F) |
| #define SPR_440_TSR (0x150) |
| #define SPR_440_TCR (0x154) |
| #define SPR_440_IVOR0 (0x190) |
| #define SPR_440_IVOR1 (0x191) |
| #define SPR_440_IVOR2 (0x192) |
| #define SPR_440_IVOR3 (0x193) |
| #define SPR_440_IVOR4 (0x194) |
| #define SPR_440_IVOR5 (0x195) |
| #define SPR_440_IVOR6 (0x196) |
| #define SPR_440_IVOR7 (0x197) |
| #define SPR_440_IVOR8 (0x198) |
| #define SPR_440_IVOR9 (0x199) |
| #define SPR_440_IVOR10 (0x19A) |
| #define SPR_440_IVOR11 (0x19B) |
| #define SPR_440_IVOR12 (0x19C) |
| #define SPR_440_IVOR13 (0x19D) |
| #define SPR_440_IVOR14 (0x19E) |
| #define SPR_440_IVOR15 (0x19F) |
| #define SPR_IBAT0U (0x210) |
| #define SPR_IBAT0L (0x211) |
| #define SPR_IBAT1U (0x212) |
| #define SPR_IBAT1L (0x213) |
| #define SPR_IBAT2U (0x214) |
| #define SPR_IBAT2L (0x215) |
| #define SPR_IBAT3U (0x216) |
| #define SPR_IBAT3L (0x217) |
| #define SPR_DBAT0U (0x218) |
| #define SPR_DBAT0L (0x219) |
| #define SPR_DBAT1U (0x21A) |
| #define SPR_DBAT1L (0x21B) |
| #define SPR_DBAT2U (0x21C) |
| #define SPR_DBAT2L (0x21D) |
| #define SPR_DBAT3U (0x21E) |
| #define SPR_DBAT3L (0x21F) |
| #define SPR_IBAT4U (0x230) |
| #define SPR_IBAT4L (0x231) |
| #define SPR_IBAT5U (0x232) |
| #define SPR_IBAT5L (0x233) |
| #define SPR_IBAT6U (0x234) |
| #define SPR_IBAT6L (0x235) |
| #define SPR_IBAT7U (0x236) |
| #define SPR_IBAT7L (0x237) |
| #define SPR_DBAT4U (0x238) |
| #define SPR_DBAT4L (0x239) |
| #define SPR_DBAT5U (0x23A) |
| #define SPR_DBAT5L (0x23B) |
| #define SPR_DBAT6U (0x23C) |
| #define SPR_DBAT6L (0x23D) |
| #define SPR_DBAT7U (0x23E) |
| #define SPR_DBAT7L (0x23F) |
| #define SPR_440_INV0 (0x370) |
| #define SPR_440_INV1 (0x371) |
| #define SPR_440_INV2 (0x372) |
| #define SPR_440_INV3 (0x373) |
| #define SPR_440_IVT0 (0x374) |
| #define SPR_440_IVT1 (0x375) |
| #define SPR_440_IVT2 (0x376) |
| #define SPR_440_IVT3 (0x377) |
| #define SPR_440_DNV0 (0x390) |
| #define SPR_440_DNV1 (0x391) |
| #define SPR_440_DNV2 (0x392) |
| #define SPR_440_DNV3 (0x393) |
| #define SPR_440_DVT0 (0x394) |
| #define SPR_440_DVT1 (0x395) |
| #define SPR_440_DVT2 (0x396) |
| #define SPR_440_DVT3 (0x397) |
| #define SPR_440_DVLIM (0x398) |
| #define SPR_440_IVLIM (0x399) |
| #define SPR_440_RSTCFG (0x39B) |
| #define SPR_440_DCBTRL (0x39C) |
| #define SPR_440_DCBTRH (0x39D) |
| #define SPR_440_ICBTRL (0x39E) |
| #define SPR_440_ICBTRH (0x39F) |
| #define SPR_UMMCR0 (0x3A8) |
| #define SPR_UPMC1 (0x3A9) |
| #define SPR_UPMC2 (0x3AA) |
| #define SPR_USIA (0x3AB) |
| #define SPR_UMMCR1 (0x3AC) |
| #define SPR_UPMC3 (0x3AD) |
| #define SPR_UPMC4 (0x3AE) |
| #define SPR_USDA (0x3AF) |
| #define SPR_40x_ZPR (0x3B0) |
| #define SPR_40x_PID (0x3B1) |
| #define SPR_440_MMUCR (0x3B2) |
| #define SPR_4xx_CCR0 (0x3B3) |
| #define SPR_405_IAC3 (0x3B4) |
| #define SPR_405_IAC4 (0x3B5) |
| #define SPR_405_DVC1 (0x3B6) |
| #define SPR_405_DVC2 (0x3B7) |
| #define SPR_MMCR0 (0x3B8) |
| #define SPR_PMC1 (0x3B9) |
| #define SPR_40x_SGR (0x3B9) |
| #define SPR_PMC2 (0x3BA) |
| #define SPR_40x_DCWR (0x3BA) |
| #define SPR_SIA (0x3BB) |
| #define SPR_405_SLER (0x3BB) |
| #define SPR_MMCR1 (0x3BC) |
| #define SPR_405_SU0R (0x3BC) |
| #define SPR_PMC3 (0x3BD) |
| #define SPR_405_DBCR1 (0x3BD) |
| #define SPR_PMC4 (0x3BE) |
| #define SPR_SDA (0x3BF) |
| #define SPR_403_VTBL (0x3CC) |
| #define SPR_403_VTBU (0x3CD) |
| #define SPR_DMISS (0x3D0) |
| #define SPR_DCMP (0x3D1) |
| #define SPR_DHASH1 (0x3D2) |
| #define SPR_DHASH2 (0x3D3) |
| #define SPR_4xx_ICDBDR (0x3D3) |
| #define SPR_IMISS (0x3D4) |
| #define SPR_40x_ESR (0x3D4) |
| #define SPR_ICMP (0x3D5) |
| #define SPR_40x_DEAR (0x3D5) |
| #define SPR_RPA (0x3D6) |
| #define SPR_40x_EVPR (0x3D6) |
| #define SPR_403_CDBCR (0x3D7) |
| #define SPR_TCR (0x3D8) |
| #define SPR_40x_TSR (0x3D8) |
| #define SPR_IBR (0x3DA) |
| #define SPR_40x_TCR (0x3DA) |
| #define SPR_ESASR (0x3DB) |
| #define SPR_40x_PIT (0x3DB) |
| #define SPR_403_TBL (0x3DC) |
| #define SPR_403_TBU (0x3DD) |
| #define SPR_SEBR (0x3DE) |
| #define SPR_40x_SRR2 (0x3DE) |
| #define SPR_SER (0x3DF) |
| #define SPR_40x_SRR3 (0x3DF) |
| #define SPR_HID0 (0x3F0) |
| #define SPR_40x_DBSR (0x3F0) |
| #define SPR_HID1 (0x3F1) |
| #define SPR_IABR (0x3F2) |
| #define SPR_40x_DBCR0 (0x3F2) |
| #define SPR_601_HID2 (0x3F2) |
| #define SPR_HID2 (0x3F3) |
| #define SPR_440_DBDR (0x3F3) |
| #define SPR_40x_IAC1 (0x3F4) |
| #define SPR_DABR (0x3F5) |
| #define DABR_MASK (~(target_ulong)0x7) |
| #define SPR_40x_IAC2 (0x3F5) |
| #define SPR_601_HID5 (0x3F5) |
| #define SPR_40x_DAC1 (0x3F6) |
| #define SPR_40x_DAC2 (0x3F7) |
| #define SPR_L2PM (0x3F8) |
| #define SPR_750_HID2 (0x3F8) |
| #define SPR_L2CR (0x3F9) |
| #define SPR_IABR2 (0x3FA) |
| #define SPR_40x_DCCR (0x3FA) |
| #define SPR_ICTC (0x3FB) |
| #define SPR_40x_ICCR (0x3FB) |
| #define SPR_THRM1 (0x3FC) |
| #define SPR_403_PBL1 (0x3FC) |
| #define SPR_SP (0x3FD) |
| #define SPR_THRM2 (0x3FD) |
| #define SPR_403_PBU1 (0x3FD) |
| #define SPR_LT (0x3FE) |
| #define SPR_THRM3 (0x3FE) |
| #define SPR_FPECR (0x3FE) |
| #define SPR_403_PBL2 (0x3FE) |
| #define SPR_PIR (0x3FF) |
| #define SPR_403_PBU2 (0x3FF) |
| #define SPR_601_HID15 (0x3FF) |
| |
| /* Memory access type : |
| * may be needed for precise access rights control and precise exceptions. |
| */ |
| enum { |
| /* 1 bit to define user level / supervisor access */ |
| ACCESS_USER = 0x00, |
| ACCESS_SUPER = 0x01, |
| /* Type of instruction that generated the access */ |
| ACCESS_CODE = 0x10, /* Code fetch access */ |
| ACCESS_INT = 0x20, /* Integer load/store access */ |
| ACCESS_FLOAT = 0x30, /* floating point load/store access */ |
| ACCESS_RES = 0x40, /* load/store with reservation */ |
| ACCESS_EXT = 0x50, /* external access */ |
| ACCESS_CACHE = 0x60, /* Cache manipulation */ |
| }; |
| |
| /*****************************************************************************/ |
| /* Exceptions */ |
| #define EXCP_NONE -1 |
| /* PowerPC hardware exceptions : exception vectors defined in PowerPC book 3 */ |
| #define EXCP_RESET 0x0100 /* System reset */ |
| #define EXCP_MACHINE_CHECK 0x0200 /* Machine check exception */ |
| #define EXCP_DSI 0x0300 /* Data storage exception */ |
| #define EXCP_DSEG 0x0380 /* Data segment exception */ |
| #define EXCP_ISI 0x0400 /* Instruction storage exception */ |
| #define EXCP_ISEG 0x0480 /* Instruction segment exception */ |
| #define EXCP_EXTERNAL 0x0500 /* External interruption */ |
| #define EXCP_ALIGN 0x0600 /* Alignment exception */ |
| #define EXCP_PROGRAM 0x0700 /* Program exception */ |
| #define EXCP_NO_FP 0x0800 /* Floating point unavailable exception */ |
| #define EXCP_DECR 0x0900 /* Decrementer exception */ |
| #define EXCP_HDECR 0x0980 /* Hypervisor decrementer exception */ |
| #define EXCP_SYSCALL 0x0C00 /* System call */ |
| #define EXCP_TRACE 0x0D00 /* Trace exception */ |
| #define EXCP_PERF 0x0F00 /* Performance monitor exception */ |
| /* Exceptions defined in PowerPC 32 bits programming environment manual */ |
| #define EXCP_FP_ASSIST 0x0E00 /* Floating-point assist */ |
| /* Implementation specific exceptions */ |
| /* 40x exceptions */ |
| #define EXCP_40x_PIT 0x1000 /* Programmable interval timer interrupt */ |
| #define EXCP_40x_FIT 0x1010 /* Fixed interval timer interrupt */ |
| #define EXCP_40x_WATCHDOG 0x1020 /* Watchdog timer exception */ |
| #define EXCP_40x_DTLBMISS 0x1100 /* Data TLB miss exception */ |
| #define EXCP_40x_ITLBMISS 0x1200 /* Instruction TLB miss exception */ |
| #define EXCP_40x_DEBUG 0x2000 /* Debug exception */ |
| /* 405 specific exceptions */ |
| #define EXCP_405_APU 0x0F20 /* APU unavailable exception */ |
| /* TLB assist exceptions (602/603) */ |
| #define EXCP_I_TLBMISS 0x1000 /* Instruction TLB miss */ |
| #define EXCP_DL_TLBMISS 0x1100 /* Data load TLB miss */ |
| #define EXCP_DS_TLBMISS 0x1200 /* Data store TLB miss */ |
| /* Breakpoint exceptions (602/603/604/620/740/745/750/755...) */ |
| #define EXCP_IABR 0x1300 /* Instruction address breakpoint */ |
| #define EXCP_SMI 0x1400 /* System management interrupt */ |
| /* Altivec related exceptions */ |
| #define EXCP_VPU 0x0F20 /* VPU unavailable exception */ |
| /* 601 specific exceptions */ |
| #define EXCP_601_IO 0x0600 /* IO error exception */ |
| #define EXCP_601_RUNM 0x2000 /* Run mode exception */ |
| /* 602 specific exceptions */ |
| #define EXCP_602_WATCHDOG 0x1500 /* Watchdog exception */ |
| #define EXCP_602_EMUL 0x1600 /* Emulation trap exception */ |
| /* G2 specific exceptions */ |
| #define EXCP_G2_CRIT 0x0A00 /* Critical interrupt */ |
| /* MPC740/745/750 & IBM 750 specific exceptions */ |
| #define EXCP_THRM 0x1700 /* Thermal management interrupt */ |
| /* 74xx specific exceptions */ |
| #define EXCP_74xx_VPUA 0x1600 /* VPU assist exception */ |
| /* 970FX specific exceptions */ |
| #define EXCP_970_SOFTP 0x1500 /* Soft patch exception */ |
| #define EXCP_970_MAINT 0x1600 /* Maintenance exception */ |
| #define EXCP_970_THRM 0x1800 /* Thermal exception */ |
| #define EXCP_970_VPUA 0x1700 /* VPU assist exception */ |
| /* End of exception vectors area */ |
| #define EXCP_PPC_MAX 0x4000 |
| /* Qemu exceptions: special cases we want to stop translation */ |
| #define EXCP_MTMSR 0x11000 /* mtmsr instruction: */ |
| /* may change privilege level */ |
| #define EXCP_BRANCH 0x11001 /* branch instruction */ |
| #define EXCP_SYSCALL_USER 0x12000 /* System call in user mode only */ |
| #define EXCP_INTERRUPT_CRITICAL 0x13000 /* critical IRQ */ |
| |
| /* Error codes */ |
| enum { |
| /* Exception subtypes for EXCP_ALIGN */ |
| EXCP_ALIGN_FP = 0x01, /* FP alignment exception */ |
| EXCP_ALIGN_LST = 0x02, /* Unaligned mult/extern load/store */ |
| EXCP_ALIGN_LE = 0x03, /* Multiple little-endian access */ |
| EXCP_ALIGN_PROT = 0x04, /* Access cross protection boundary */ |
| EXCP_ALIGN_BAT = 0x05, /* Access cross a BAT/seg boundary */ |
| EXCP_ALIGN_CACHE = 0x06, /* Impossible dcbz access */ |
| /* Exception subtypes for EXCP_PROGRAM */ |
| /* FP exceptions */ |
| EXCP_FP = 0x10, |
| EXCP_FP_OX = 0x01, /* FP overflow */ |
| EXCP_FP_UX = 0x02, /* FP underflow */ |
| EXCP_FP_ZX = 0x03, /* FP divide by zero */ |
| EXCP_FP_XX = 0x04, /* FP inexact */ |
| EXCP_FP_VXNAN = 0x05, /* FP invalid SNaN op */ |
| EXCP_FP_VXISI = 0x06, /* FP invalid infinite substraction */ |
| EXCP_FP_VXIDI = 0x07, /* FP invalid infinite divide */ |
| EXCP_FP_VXZDZ = 0x08, /* FP invalid zero divide */ |
| EXCP_FP_VXIMZ = 0x09, /* FP invalid infinite * zero */ |
| EXCP_FP_VXVC = 0x0A, /* FP invalid compare */ |
| EXCP_FP_VXSOFT = 0x0B, /* FP invalid operation */ |
| EXCP_FP_VXSQRT = 0x0C, /* FP invalid square root */ |
| EXCP_FP_VXCVI = 0x0D, /* FP invalid integer conversion */ |
| /* Invalid instruction */ |
| EXCP_INVAL = 0x20, |
| EXCP_INVAL_INVAL = 0x01, /* Invalid instruction */ |
| EXCP_INVAL_LSWX = 0x02, /* Invalid lswx instruction */ |
| EXCP_INVAL_SPR = 0x03, /* Invalid SPR access */ |
| EXCP_INVAL_FP = 0x04, /* Unimplemented mandatory fp instr */ |
| /* Privileged instruction */ |
| EXCP_PRIV = 0x30, |
| EXCP_PRIV_OPC = 0x01, |
| EXCP_PRIV_REG = 0x02, |
| /* Trap */ |
| EXCP_TRAP = 0x40, |
| }; |
| |
| /*****************************************************************************/ |
| |
| #endif /* !defined (__CPU_PPC_H__) */ |
