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cpu.h
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cpu.h
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/*
* PowerPC emulation cpu definitions for qemu.
*
* Copyright (c) 2003-2007 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, see <http://www.gnu.org/licenses/>.
*/
#if !defined (__CPU_PPC_H__)
#define __CPU_PPC_H__
#include "config.h"
#include "qemu-common.h"
//#define PPC_EMULATE_32BITS_HYPV
#if defined (TARGET_PPC64)
/* PowerPC 64 definitions */
#define TARGET_LONG_BITS 64
#define TARGET_PAGE_BITS 12
/* Note that the official physical address space bits is 62-M where M
is implementation dependent. I've not looked up M for the set of
cpus we emulate at the system level. */
#define TARGET_PHYS_ADDR_SPACE_BITS 62
/* Note that the PPC environment architecture talks about 80 bit virtual
addresses, with segmentation. Obviously that's not all visible to a
single process, which is all we're concerned with here. */
#ifdef TARGET_ABI32
# define TARGET_VIRT_ADDR_SPACE_BITS 32
#else
# define TARGET_VIRT_ADDR_SPACE_BITS 64
#endif
#define TARGET_PAGE_BITS_16M 24
#else /* defined (TARGET_PPC64) */
/* PowerPC 32 definitions */
#define TARGET_LONG_BITS 32
#if defined(TARGET_PPCEMB)
/* Specific definitions for PowerPC embedded */
/* BookE have 36 bits physical address space */
#if defined(CONFIG_USER_ONLY)
/* It looks like a lot of Linux programs assume page size
* is 4kB long. This is evil, but we have to deal with it...
*/
#define TARGET_PAGE_BITS 12
#else /* defined(CONFIG_USER_ONLY) */
/* Pages can be 1 kB small */
#define TARGET_PAGE_BITS 10
#endif /* defined(CONFIG_USER_ONLY) */
#else /* defined(TARGET_PPCEMB) */
/* "standard" PowerPC 32 definitions */
#define TARGET_PAGE_BITS 12
#endif /* defined(TARGET_PPCEMB) */
#define TARGET_PHYS_ADDR_SPACE_BITS 36
#define TARGET_VIRT_ADDR_SPACE_BITS 32
#endif /* defined (TARGET_PPC64) */
#define CPUArchState struct CPUPPCState
#include "cpu-defs.h"
#include "softfloat.h"
#define TARGET_HAS_ICE 1
#if defined (TARGET_PPC64)
#define ELF_MACHINE EM_PPC64
#else
#define ELF_MACHINE EM_PPC
#endif
/*****************************************************************************/
/* MMU model */
typedef enum powerpc_mmu_t powerpc_mmu_t;
enum powerpc_mmu_t {
POWERPC_MMU_UNKNOWN = 0x00000000,
/* Standard 32 bits PowerPC MMU */
POWERPC_MMU_32B = 0x00000001,
/* PowerPC 6xx MMU with software TLB */
POWERPC_MMU_SOFT_6xx = 0x00000002,
/* PowerPC 74xx MMU with software TLB */
POWERPC_MMU_SOFT_74xx = 0x00000003,
/* PowerPC 4xx MMU with software TLB */
POWERPC_MMU_SOFT_4xx = 0x00000004,
/* PowerPC 4xx MMU with software TLB and zones protections */
POWERPC_MMU_SOFT_4xx_Z = 0x00000005,
/* PowerPC MMU in real mode only */
POWERPC_MMU_REAL = 0x00000006,
/* Freescale MPC8xx MMU model */
POWERPC_MMU_MPC8xx = 0x00000007,
/* BookE MMU model */
POWERPC_MMU_BOOKE = 0x00000008,
/* BookE 2.06 MMU model */
POWERPC_MMU_BOOKE206 = 0x00000009,
/* PowerPC 601 MMU model (specific BATs format) */
POWERPC_MMU_601 = 0x0000000A,
#if defined(TARGET_PPC64)
#define POWERPC_MMU_64 0x00010000
#define POWERPC_MMU_1TSEG 0x00020000
/* 64 bits PowerPC MMU */
POWERPC_MMU_64B = POWERPC_MMU_64 | 0x00000001,
/* 620 variant (no segment exceptions) */
POWERPC_MMU_620 = POWERPC_MMU_64 | 0x00000002,
/* Architecture 2.06 variant */
POWERPC_MMU_2_06 = POWERPC_MMU_64 | POWERPC_MMU_1TSEG | 0x00000003,
/* Architecture 2.06 "degraded" (no 1T segments) */
POWERPC_MMU_2_06d = POWERPC_MMU_64 | 0x00000003,
#endif /* defined(TARGET_PPC64) */
};
/*****************************************************************************/
/* Exception model */
typedef enum powerpc_excp_t powerpc_excp_t;
enum powerpc_excp_t {
POWERPC_EXCP_UNKNOWN = 0,
/* Standard PowerPC exception model */
POWERPC_EXCP_STD,
/* PowerPC 40x exception model */
POWERPC_EXCP_40x,
/* PowerPC 601 exception model */
POWERPC_EXCP_601,
/* PowerPC 602 exception model */
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 */
POWERPC_EXCP_604,
/* PowerPC 7x0 exception model */
POWERPC_EXCP_7x0,
/* PowerPC 7x5 exception model */
POWERPC_EXCP_7x5,
/* PowerPC 74xx exception model */
POWERPC_EXCP_74xx,
/* BookE exception model */
POWERPC_EXCP_BOOKE,
#if defined(TARGET_PPC64)
/* PowerPC 970 exception model */
POWERPC_EXCP_970,
/* POWER7 exception model */
POWERPC_EXCP_POWER7,
#endif /* defined(TARGET_PPC64) */
};
/*****************************************************************************/
/* Exception vectors definitions */
enum {
POWERPC_EXCP_NONE = -1,
/* The 64 first entries are used by the PowerPC embedded specification */
POWERPC_EXCP_CRITICAL = 0, /* Critical input */
POWERPC_EXCP_MCHECK = 1, /* Machine check exception */
POWERPC_EXCP_DSI = 2, /* Data storage exception */
POWERPC_EXCP_ISI = 3, /* Instruction storage exception */
POWERPC_EXCP_EXTERNAL = 4, /* External input */
POWERPC_EXCP_ALIGN = 5, /* Alignment exception */
POWERPC_EXCP_PROGRAM = 6, /* Program exception */
POWERPC_EXCP_FPU = 7, /* Floating-point unavailable exception */
POWERPC_EXCP_SYSCALL = 8, /* System call exception */
POWERPC_EXCP_APU = 9, /* Auxiliary processor unavailable */
POWERPC_EXCP_DECR = 10, /* Decrementer exception */
POWERPC_EXCP_FIT = 11, /* Fixed-interval timer interrupt */
POWERPC_EXCP_WDT = 12, /* Watchdog timer interrupt */
POWERPC_EXCP_DTLB = 13, /* Data TLB miss */
POWERPC_EXCP_ITLB = 14, /* Instruction TLB miss */
POWERPC_EXCP_DEBUG = 15, /* Debug interrupt */
/* Vectors 16 to 31 are reserved */
POWERPC_EXCP_SPEU = 32, /* SPE/embedded floating-point unavailable */
POWERPC_EXCP_EFPDI = 33, /* Embedded floating-point data interrupt */
POWERPC_EXCP_EFPRI = 34, /* Embedded floating-point round interrupt */
POWERPC_EXCP_EPERFM = 35, /* Embedded performance monitor interrupt */
POWERPC_EXCP_DOORI = 36, /* Embedded doorbell interrupt */
POWERPC_EXCP_DOORCI = 37, /* Embedded doorbell critical interrupt */
POWERPC_EXCP_GDOORI = 38, /* Embedded guest doorbell interrupt */
POWERPC_EXCP_GDOORCI = 39, /* Embedded guest doorbell critical interrupt*/
POWERPC_EXCP_HYPPRIV = 41, /* Embedded hypervisor priv instruction */
/* Vectors 42 to 63 are reserved */
/* Exceptions defined in the PowerPC server specification */
POWERPC_EXCP_RESET = 64, /* System reset exception */
POWERPC_EXCP_DSEG = 65, /* Data segment exception */
POWERPC_EXCP_ISEG = 66, /* Instruction segment exception */
POWERPC_EXCP_HDECR = 67, /* Hypervisor decrementer exception */
POWERPC_EXCP_TRACE = 68, /* Trace exception */
POWERPC_EXCP_HDSI = 69, /* Hypervisor data storage exception */
POWERPC_EXCP_HISI = 70, /* Hypervisor instruction storage exception */
POWERPC_EXCP_HDSEG = 71, /* Hypervisor data segment exception */
POWERPC_EXCP_HISEG = 72, /* Hypervisor instruction segment exception */
POWERPC_EXCP_VPU = 73, /* Vector unavailable exception */
/* 40x specific exceptions */
POWERPC_EXCP_PIT = 74, /* Programmable interval timer interrupt */
/* 601 specific exceptions */
POWERPC_EXCP_IO = 75, /* IO error exception */
POWERPC_EXCP_RUNM = 76, /* Run mode exception */
/* 602 specific exceptions */
POWERPC_EXCP_EMUL = 77, /* Emulation trap exception */
/* 602/603 specific exceptions */
POWERPC_EXCP_IFTLB = 78, /* Instruction fetch TLB miss */
POWERPC_EXCP_DLTLB = 79, /* Data load TLB miss */
POWERPC_EXCP_DSTLB = 80, /* Data store TLB miss */
/* Exceptions available on most PowerPC */
POWERPC_EXCP_FPA = 81, /* Floating-point assist exception */
POWERPC_EXCP_DABR = 82, /* Data address breakpoint */
POWERPC_EXCP_IABR = 83, /* Instruction address breakpoint */
POWERPC_EXCP_SMI = 84, /* System management interrupt */
POWERPC_EXCP_PERFM = 85, /* Embedded performance monitor interrupt */
/* 7xx/74xx specific exceptions */
POWERPC_EXCP_THERM = 86, /* Thermal interrupt */
/* 74xx specific exceptions */
POWERPC_EXCP_VPUA = 87, /* Vector assist exception */
/* 970FX specific exceptions */
POWERPC_EXCP_SOFTP = 88, /* Soft patch exception */
POWERPC_EXCP_MAINT = 89, /* Maintenance exception */
/* Freescale embedded cores specific exceptions */
POWERPC_EXCP_MEXTBR = 90, /* Maskable external breakpoint */
POWERPC_EXCP_NMEXTBR = 91, /* Non maskable external breakpoint */
POWERPC_EXCP_ITLBE = 92, /* Instruction TLB error */
POWERPC_EXCP_DTLBE = 93, /* Data TLB error */
/* EOL */
POWERPC_EXCP_NB = 96,
/* QEMU exceptions: used internally during code translation */
POWERPC_EXCP_STOP = 0x200, /* stop translation */
POWERPC_EXCP_BRANCH = 0x201, /* branch instruction */
/* QEMU exceptions: special cases we want to stop translation */
POWERPC_EXCP_SYNC = 0x202, /* context synchronizing instruction */
POWERPC_EXCP_SYSCALL_USER = 0x203, /* System call in user mode only */
POWERPC_EXCP_STCX = 0x204 /* Conditional stores in user mode */
};
/* Exceptions error codes */
enum {
/* Exception subtypes for POWERPC_EXCP_ALIGN */
POWERPC_EXCP_ALIGN_FP = 0x01, /* FP alignment exception */
POWERPC_EXCP_ALIGN_LST = 0x02, /* Unaligned mult/extern load/store */
POWERPC_EXCP_ALIGN_LE = 0x03, /* Multiple little-endian access */
POWERPC_EXCP_ALIGN_PROT = 0x04, /* Access cross protection boundary */
POWERPC_EXCP_ALIGN_BAT = 0x05, /* Access cross a BAT/seg boundary */
POWERPC_EXCP_ALIGN_CACHE = 0x06, /* Impossible dcbz access */
/* Exception subtypes for POWERPC_EXCP_PROGRAM */
/* FP exceptions */
POWERPC_EXCP_FP = 0x10,
POWERPC_EXCP_FP_OX = 0x01, /* FP overflow */
POWERPC_EXCP_FP_UX = 0x02, /* FP underflow */
POWERPC_EXCP_FP_ZX = 0x03, /* FP divide by zero */
POWERPC_EXCP_FP_XX = 0x04, /* FP inexact */
POWERPC_EXCP_FP_VXSNAN = 0x05, /* FP invalid SNaN op */
POWERPC_EXCP_FP_VXISI = 0x06, /* FP invalid infinite subtraction */
POWERPC_EXCP_FP_VXIDI = 0x07, /* FP invalid infinite divide */
POWERPC_EXCP_FP_VXZDZ = 0x08, /* FP invalid zero divide */
POWERPC_EXCP_FP_VXIMZ = 0x09, /* FP invalid infinite * zero */
POWERPC_EXCP_FP_VXVC = 0x0A, /* FP invalid compare */
POWERPC_EXCP_FP_VXSOFT = 0x0B, /* FP invalid operation */
POWERPC_EXCP_FP_VXSQRT = 0x0C, /* FP invalid square root */
POWERPC_EXCP_FP_VXCVI = 0x0D, /* FP invalid integer conversion */
/* Invalid instruction */
POWERPC_EXCP_INVAL = 0x20,
POWERPC_EXCP_INVAL_INVAL = 0x01, /* Invalid instruction */
POWERPC_EXCP_INVAL_LSWX = 0x02, /* Invalid lswx instruction */
POWERPC_EXCP_INVAL_SPR = 0x03, /* Invalid SPR access */
POWERPC_EXCP_INVAL_FP = 0x04, /* Unimplemented mandatory fp instr */
/* Privileged instruction */
POWERPC_EXCP_PRIV = 0x30,
POWERPC_EXCP_PRIV_OPC = 0x01, /* Privileged operation exception */
POWERPC_EXCP_PRIV_REG = 0x02, /* Privileged register exception */
/* Trap */
POWERPC_EXCP_TRAP = 0x40,
};
/*****************************************************************************/
/* Input pins model */
typedef enum powerpc_input_t powerpc_input_t;
enum powerpc_input_t {
PPC_FLAGS_INPUT_UNKNOWN = 0,
/* PowerPC 6xx bus */
PPC_FLAGS_INPUT_6xx,
/* BookE bus */
PPC_FLAGS_INPUT_BookE,
/* PowerPC 405 bus */
PPC_FLAGS_INPUT_405,
/* PowerPC 970 bus */
PPC_FLAGS_INPUT_970,
/* PowerPC POWER7 bus */
PPC_FLAGS_INPUT_POWER7,
/* PowerPC 401 bus */
PPC_FLAGS_INPUT_401,
/* Freescale RCPU bus */
PPC_FLAGS_INPUT_RCPU,
};
#define PPC_INPUT(env) (env->bus_model)
/*****************************************************************************/
typedef struct ppc_def_t ppc_def_t;
typedef struct opc_handler_t opc_handler_t;
/*****************************************************************************/
/* Types used to describe some PowerPC registers */
typedef struct CPUPPCState CPUPPCState;
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 union ppc_avr_t ppc_avr_t;
typedef union ppc_tlb_t ppc_tlb_t;
/* SPR access micro-ops generations callbacks */
struct ppc_spr_t {
void (*uea_read)(void *opaque, int gpr_num, int spr_num);
void (*uea_write)(void *opaque, int spr_num, int gpr_num);
#if !defined(CONFIG_USER_ONLY)
void (*oea_read)(void *opaque, int gpr_num, int spr_num);
void (*oea_write)(void *opaque, int spr_num, int gpr_num);
void (*hea_read)(void *opaque, int gpr_num, int spr_num);
void (*hea_write)(void *opaque, int spr_num, int gpr_num);
#endif
const char *name;
};
/* Altivec registers (128 bits) */
union ppc_avr_t {
float32 f[4];
uint8_t u8[16];
uint16_t u16[8];
uint32_t u32[4];
int8_t s8[16];
int16_t s16[8];
int32_t s32[4];
uint64_t u64[2];
};
#if !defined(CONFIG_USER_ONLY)
/* Software TLB cache */
typedef struct ppc6xx_tlb_t ppc6xx_tlb_t;
struct ppc6xx_tlb_t {
target_ulong pte0;
target_ulong pte1;
target_ulong EPN;
};
typedef struct ppcemb_tlb_t ppcemb_tlb_t;
struct ppcemb_tlb_t {
target_phys_addr_t RPN;
target_ulong EPN;
target_ulong PID;
target_ulong size;
uint32_t prot;
uint32_t attr; /* Storage attributes */
};
typedef struct ppcmas_tlb_t {
uint32_t mas8;
uint32_t mas1;
uint64_t mas2;
uint64_t mas7_3;
} ppcmas_tlb_t;
union ppc_tlb_t {
ppc6xx_tlb_t *tlb6;
ppcemb_tlb_t *tlbe;
ppcmas_tlb_t *tlbm;
};
/* possible TLB variants */
#define TLB_NONE 0
#define TLB_6XX 1
#define TLB_EMB 2
#define TLB_MAS 3
#endif
#define SDR_32_HTABORG 0xFFFF0000UL
#define SDR_32_HTABMASK 0x000001FFUL
#if defined(TARGET_PPC64)
#define SDR_64_HTABORG 0xFFFFFFFFFFFC0000ULL
#define SDR_64_HTABSIZE 0x000000000000001FULL
#endif /* defined(TARGET_PPC64 */
#define HASH_PTE_SIZE_32 8
#define HASH_PTE_SIZE_64 16
typedef struct ppc_slb_t ppc_slb_t;
struct ppc_slb_t {
uint64_t esid;
uint64_t vsid;
};
/* Bits in the SLB ESID word */
#define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL
#define SLB_ESID_V 0x0000000008000000ULL /* valid */
/* Bits in the SLB VSID word */
#define SLB_VSID_SHIFT 12
#define SLB_VSID_SHIFT_1T 24
#define SLB_VSID_SSIZE_SHIFT 62
#define SLB_VSID_B 0xc000000000000000ULL
#define SLB_VSID_B_256M 0x0000000000000000ULL
#define SLB_VSID_B_1T 0x4000000000000000ULL
#define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL
#define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID)
#define SLB_VSID_KS 0x0000000000000800ULL
#define SLB_VSID_KP 0x0000000000000400ULL
#define SLB_VSID_N 0x0000000000000200ULL /* no-execute */
#define SLB_VSID_L 0x0000000000000100ULL
#define SLB_VSID_C 0x0000000000000080ULL /* class */
#define SLB_VSID_LP 0x0000000000000030ULL
#define SLB_VSID_ATTR 0x0000000000000FFFULL
#define SEGMENT_SHIFT_256M 28
#define SEGMENT_MASK_256M (~((1ULL << SEGMENT_SHIFT_256M) - 1))
#define SEGMENT_SHIFT_1T 40
#define SEGMENT_MASK_1T (~((1ULL << SEGMENT_SHIFT_1T) - 1))
/*****************************************************************************/
/* Machine state register bits definition */
#define MSR_SF 63 /* Sixty-four-bit mode hflags */
#define MSR_TAG 62 /* Tag-active mode (POWERx ?) */
#define MSR_ISF 61 /* Sixty-four-bit interrupt mode on 630 */
#define MSR_SHV 60 /* hypervisor state hflags */
#define MSR_CM 31 /* Computation mode for BookE hflags */
#define MSR_ICM 30 /* Interrupt computation mode for BookE */
#define MSR_THV 29 /* hypervisor state for 32 bits PowerPC hflags */
#define MSR_GS 28 /* guest state for BookE */
#define MSR_UCLE 26 /* User-mode cache lock enable for BookE */
#define MSR_VR 25 /* altivec available x hflags */
#define MSR_SPE 25 /* SPE enable for BookE x hflags */
#define MSR_AP 23 /* Access privilege state on 602 hflags */
#define MSR_SA 22 /* Supervisor access mode on 602 hflags */
#define MSR_KEY 19 /* key bit on 603e */
#define MSR_POW 18 /* Power management */
#define MSR_TGPR 17 /* TGPR usage on 602/603 x */
#define MSR_CE 17 /* Critical interrupt enable on embedded PowerPC x */
#define MSR_ILE 16 /* Interrupt little-endian mode */
#define MSR_EE 15 /* External interrupt enable */
#define MSR_PR 14 /* Problem state hflags */
#define MSR_FP 13 /* Floating point available hflags */
#define MSR_ME 12 /* Machine check interrupt enable */
#define MSR_FE0 11 /* Floating point exception mode 0 hflags */
#define MSR_SE 10 /* Single-step trace enable x hflags */
#define MSR_DWE 10 /* Debug wait enable on 405 x */
#define MSR_UBLE 10 /* User BTB lock enable on e500 x */
#define MSR_BE 9 /* Branch trace enable x hflags */
#define MSR_DE 9 /* Debug interrupts enable on embedded PowerPC x */
#define MSR_FE1 8 /* Floating point exception mode 1 hflags */
#define MSR_AL 7 /* AL bit on POWER */
#define MSR_EP 6 /* Exception prefix on 601 */
#define MSR_IR 5 /* Instruction relocate */
#define MSR_DR 4 /* Data relocate */
#define MSR_PE 3 /* Protection enable on 403 */
#define MSR_PX 2 /* Protection exclusive on 403 x */
#define MSR_PMM 2 /* Performance monitor mark on POWER x */
#define MSR_RI 1 /* Recoverable interrupt 1 */
#define MSR_LE 0 /* Little-endian mode 1 hflags */
#define msr_sf ((env->msr >> MSR_SF) & 1)
#define msr_isf ((env->msr >> MSR_ISF) & 1)
#define msr_shv ((env->msr >> MSR_SHV) & 1)
#define msr_cm ((env->msr >> MSR_CM) & 1)
#define msr_icm ((env->msr >> MSR_ICM) & 1)
#define msr_thv ((env->msr >> MSR_THV) & 1)
#define msr_gs ((env->msr >> MSR_GS) & 1)
#define msr_ucle ((env->msr >> MSR_UCLE) & 1)
#define msr_vr ((env->msr >> MSR_VR) & 1)
#define msr_spe ((env->msr >> MSR_SPE) & 1)
#define msr_ap ((env->msr >> MSR_AP) & 1)
#define msr_sa ((env->msr >> MSR_SA) & 1)
#define msr_key ((env->msr >> MSR_KEY) & 1)
#define msr_pow ((env->msr >> MSR_POW) & 1)
#define msr_tgpr ((env->msr >> MSR_TGPR) & 1)
#define msr_ce ((env->msr >> MSR_CE) & 1)
#define msr_ile ((env->msr >> MSR_ILE) & 1)
#define msr_ee ((env->msr >> MSR_EE) & 1)
#define msr_pr ((env->msr >> MSR_PR) & 1)
#define msr_fp ((env->msr >> MSR_FP) & 1)
#define msr_me ((env->msr >> MSR_ME) & 1)
#define msr_fe0 ((env->msr >> MSR_FE0) & 1)
#define msr_se ((env->msr >> MSR_SE) & 1)
#define msr_dwe ((env->msr >> MSR_DWE) & 1)
#define msr_uble ((env->msr >> MSR_UBLE) & 1)
#define msr_be ((env->msr >> MSR_BE) & 1)
#define msr_de ((env->msr >> MSR_DE) & 1)
#define msr_fe1 ((env->msr >> MSR_FE1) & 1)
#define msr_al ((env->msr >> MSR_AL) & 1)
#define msr_ep ((env->msr >> MSR_EP) & 1)
#define msr_ir ((env->msr >> MSR_IR) & 1)
#define msr_dr ((env->msr >> MSR_DR) & 1)
#define msr_pe ((env->msr >> MSR_PE) & 1)
#define msr_px ((env->msr >> MSR_PX) & 1)
#define msr_pmm ((env->msr >> MSR_PMM) & 1)
#define msr_ri ((env->msr >> MSR_RI) & 1)
#define msr_le ((env->msr >> MSR_LE) & 1)
/* Hypervisor bit is more specific */
#if defined(TARGET_PPC64)
#define MSR_HVB (1ULL << MSR_SHV)
#define msr_hv msr_shv
#else
#if defined(PPC_EMULATE_32BITS_HYPV)
#define MSR_HVB (1ULL << MSR_THV)
#define msr_hv msr_thv
#else
#define MSR_HVB (0ULL)
#define msr_hv (0)
#endif
#endif
/* Exception state register bits definition */
#define ESR_PIL (1 << (63 - 36)) /* Illegal Instruction */
#define ESR_PPR (1 << (63 - 37)) /* Privileged Instruction */
#define ESR_PTR (1 << (63 - 38)) /* Trap */
#define ESR_FP (1 << (63 - 39)) /* Floating-Point Operation */
#define ESR_ST (1 << (63 - 40)) /* Store Operation */
#define ESR_AP (1 << (63 - 44)) /* Auxiliary Processor Operation */
#define ESR_PUO (1 << (63 - 45)) /* Unimplemented Operation */
#define ESR_BO (1 << (63 - 46)) /* Byte Ordering */
#define ESR_PIE (1 << (63 - 47)) /* Imprecise exception */
#define ESR_DATA (1 << (63 - 53)) /* Data Access (Embedded page table) */
#define ESR_TLBI (1 << (63 - 54)) /* TLB Ineligible (Embedded page table) */
#define ESR_PT (1 << (63 - 55)) /* Page Table (Embedded page table) */
#define ESR_SPV (1 << (63 - 56)) /* SPE/VMX operation */
#define ESR_EPID (1 << (63 - 57)) /* External Process ID operation */
#define ESR_VLEMI (1 << (63 - 58)) /* VLE operation */
#define ESR_MIF (1 << (63 - 62)) /* Misaligned instruction (VLE) */
enum {
POWERPC_FLAG_NONE = 0x00000000,
/* Flag for MSR bit 25 signification (VRE/SPE) */
POWERPC_FLAG_SPE = 0x00000001,
POWERPC_FLAG_VRE = 0x00000002,
/* Flag for MSR bit 17 signification (TGPR/CE) */
POWERPC_FLAG_TGPR = 0x00000004,
POWERPC_FLAG_CE = 0x00000008,
/* Flag for MSR bit 10 signification (SE/DWE/UBLE) */
POWERPC_FLAG_SE = 0x00000010,
POWERPC_FLAG_DWE = 0x00000020,
POWERPC_FLAG_UBLE = 0x00000040,
/* Flag for MSR bit 9 signification (BE/DE) */
POWERPC_FLAG_BE = 0x00000080,
POWERPC_FLAG_DE = 0x00000100,
/* Flag for MSR bit 2 signification (PX/PMM) */
POWERPC_FLAG_PX = 0x00000200,
POWERPC_FLAG_PMM = 0x00000400,
/* Flag for special features */
/* Decrementer clock: RTC clock (POWER, 601) or bus clock */
POWERPC_FLAG_RTC_CLK = 0x00010000,
POWERPC_FLAG_BUS_CLK = 0x00020000,
/* Has CFAR */
POWERPC_FLAG_CFAR = 0x00040000,
};
/*****************************************************************************/
/* Floating point status and control register */
#define FPSCR_FX 31 /* Floating-point exception summary */
#define FPSCR_FEX 30 /* Floating-point enabled exception summary */
#define FPSCR_VX 29 /* Floating-point invalid operation exception summ. */
#define FPSCR_OX 28 /* Floating-point overflow exception */
#define FPSCR_UX 27 /* Floating-point underflow exception */
#define FPSCR_ZX 26 /* Floating-point zero divide exception */
#define FPSCR_XX 25 /* Floating-point inexact exception */
#define FPSCR_VXSNAN 24 /* Floating-point invalid operation exception (sNan) */
#define FPSCR_VXISI 23 /* Floating-point invalid operation exception (inf) */
#define FPSCR_VXIDI 22 /* Floating-point invalid operation exception (inf) */
#define FPSCR_VXZDZ 21 /* Floating-point invalid operation exception (zero) */
#define FPSCR_VXIMZ 20 /* Floating-point invalid operation exception (inf) */
#define FPSCR_VXVC 19 /* Floating-point invalid operation exception (comp) */
#define FPSCR_FR 18 /* Floating-point fraction rounded */
#define FPSCR_FI 17 /* Floating-point fraction inexact */
#define FPSCR_C 16 /* Floating-point result class descriptor */
#define FPSCR_FL 15 /* Floating-point less than or negative */
#define FPSCR_FG 14 /* Floating-point greater than or negative */
#define FPSCR_FE 13 /* Floating-point equal or zero */
#define FPSCR_FU 12 /* Floating-point unordered or NaN */
#define FPSCR_FPCC 12 /* Floating-point condition code */
#define FPSCR_FPRF 12 /* Floating-point result flags */
#define FPSCR_VXSOFT 10 /* Floating-point invalid operation exception (soft) */
#define FPSCR_VXSQRT 9 /* Floating-point invalid operation exception (sqrt) */
#define FPSCR_VXCVI 8 /* Floating-point invalid operation exception (int) */
#define FPSCR_VE 7 /* Floating-point invalid operation exception enable */
#define FPSCR_OE 6 /* Floating-point overflow exception enable */
#define FPSCR_UE 5 /* Floating-point undeflow exception enable */
#define FPSCR_ZE 4 /* Floating-point zero divide exception enable */
#define FPSCR_XE 3 /* Floating-point inexact exception enable */
#define FPSCR_NI 2 /* Floating-point non-IEEE mode */
#define FPSCR_RN1 1
#define FPSCR_RN 0 /* Floating-point rounding control */
#define fpscr_fex (((env->fpscr) >> FPSCR_FEX) & 0x1)
#define fpscr_vx (((env->fpscr) >> FPSCR_VX) & 0x1)
#define fpscr_ox (((env->fpscr) >> FPSCR_OX) & 0x1)
#define fpscr_ux (((env->fpscr) >> FPSCR_UX) & 0x1)
#define fpscr_zx (((env->fpscr) >> FPSCR_ZX) & 0x1)
#define fpscr_xx (((env->fpscr) >> FPSCR_XX) & 0x1)
#define fpscr_vxsnan (((env->fpscr) >> FPSCR_VXSNAN) & 0x1)
#define fpscr_vxisi (((env->fpscr) >> FPSCR_VXISI) & 0x1)
#define fpscr_vxidi (((env->fpscr) >> FPSCR_VXIDI) & 0x1)
#define fpscr_vxzdz (((env->fpscr) >> FPSCR_VXZDZ) & 0x1)
#define fpscr_vximz (((env->fpscr) >> FPSCR_VXIMZ) & 0x1)
#define fpscr_vxvc (((env->fpscr) >> FPSCR_VXVC) & 0x1)
#define fpscr_fpcc (((env->fpscr) >> FPSCR_FPCC) & 0xF)
#define fpscr_vxsoft (((env->fpscr) >> FPSCR_VXSOFT) & 0x1)
#define fpscr_vxsqrt (((env->fpscr) >> FPSCR_VXSQRT) & 0x1)
#define fpscr_vxcvi (((env->fpscr) >> FPSCR_VXCVI) & 0x1)
#define fpscr_ve (((env->fpscr) >> FPSCR_VE) & 0x1)
#define fpscr_oe (((env->fpscr) >> FPSCR_OE) & 0x1)
#define fpscr_ue (((env->fpscr) >> FPSCR_UE) & 0x1)
#define fpscr_ze (((env->fpscr) >> FPSCR_ZE) & 0x1)
#define fpscr_xe (((env->fpscr) >> FPSCR_XE) & 0x1)
#define fpscr_ni (((env->fpscr) >> FPSCR_NI) & 0x1)
#define fpscr_rn (((env->fpscr) >> FPSCR_RN) & 0x3)
/* Invalid operation exception summary */
#define fpscr_ix ((env->fpscr) & ((1 << FPSCR_VXSNAN) | (1 << FPSCR_VXISI) | \
(1 << FPSCR_VXIDI) | (1 << FPSCR_VXZDZ) | \
(1 << FPSCR_VXIMZ) | (1 << FPSCR_VXVC) | \
(1 << FPSCR_VXSOFT) | (1 << FPSCR_VXSQRT) | \
(1 << FPSCR_VXCVI)))
/* exception summary */
#define fpscr_ex (((env->fpscr) >> FPSCR_XX) & 0x1F)
/* enabled exception summary */
#define fpscr_eex (((env->fpscr) >> FPSCR_XX) & ((env->fpscr) >> FPSCR_XE) & \
0x1F)
/*****************************************************************************/
/* Vector status and control register */
#define VSCR_NJ 16 /* Vector non-java */
#define VSCR_SAT 0 /* Vector saturation */
#define vscr_nj (((env->vscr) >> VSCR_NJ) & 0x1)
#define vscr_sat (((env->vscr) >> VSCR_SAT) & 0x1)
/*****************************************************************************/
/* BookE e500 MMU registers */
#define MAS0_NV_SHIFT 0
#define MAS0_NV_MASK (0xfff << MAS0_NV_SHIFT)
#define MAS0_WQ_SHIFT 12
#define MAS0_WQ_MASK (3 << MAS0_WQ_SHIFT)
/* Write TLB entry regardless of reservation */
#define MAS0_WQ_ALWAYS (0 << MAS0_WQ_SHIFT)
/* Write TLB entry only already in use */
#define MAS0_WQ_COND (1 << MAS0_WQ_SHIFT)
/* Clear TLB entry */
#define MAS0_WQ_CLR_RSRV (2 << MAS0_WQ_SHIFT)
#define MAS0_HES_SHIFT 14
#define MAS0_HES (1 << MAS0_HES_SHIFT)
#define MAS0_ESEL_SHIFT 16
#define MAS0_ESEL_MASK (0xfff << MAS0_ESEL_SHIFT)
#define MAS0_TLBSEL_SHIFT 28
#define MAS0_TLBSEL_MASK (3 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB0 (0 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB1 (1 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB2 (2 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB3 (3 << MAS0_TLBSEL_SHIFT)
#define MAS0_ATSEL_SHIFT 31
#define MAS0_ATSEL (1 << MAS0_ATSEL_SHIFT)
#define MAS0_ATSEL_TLB 0
#define MAS0_ATSEL_LRAT MAS0_ATSEL
#define MAS1_TSIZE_SHIFT 7
#define MAS1_TSIZE_MASK (0x1f << MAS1_TSIZE_SHIFT)
#define MAS1_TS_SHIFT 12
#define MAS1_TS (1 << MAS1_TS_SHIFT)
#define MAS1_IND_SHIFT 13
#define MAS1_IND (1 << MAS1_IND_SHIFT)
#define MAS1_TID_SHIFT 16
#define MAS1_TID_MASK (0x3fff << MAS1_TID_SHIFT)
#define MAS1_IPROT_SHIFT 30
#define MAS1_IPROT (1 << MAS1_IPROT_SHIFT)
#define MAS1_VALID_SHIFT 31
#define MAS1_VALID 0x80000000
#define MAS2_EPN_SHIFT 12
#define MAS2_EPN_MASK (~0ULL << MAS2_EPN_SHIFT)
#define MAS2_ACM_SHIFT 6
#define MAS2_ACM (1 << MAS2_ACM_SHIFT)
#define MAS2_VLE_SHIFT 5
#define MAS2_VLE (1 << MAS2_VLE_SHIFT)
#define MAS2_W_SHIFT 4
#define MAS2_W (1 << MAS2_W_SHIFT)
#define MAS2_I_SHIFT 3
#define MAS2_I (1 << MAS2_I_SHIFT)
#define MAS2_M_SHIFT 2
#define MAS2_M (1 << MAS2_M_SHIFT)
#define MAS2_G_SHIFT 1
#define MAS2_G (1 << MAS2_G_SHIFT)
#define MAS2_E_SHIFT 0
#define MAS2_E (1 << MAS2_E_SHIFT)
#define MAS3_RPN_SHIFT 12
#define MAS3_RPN_MASK (0xfffff << MAS3_RPN_SHIFT)
#define MAS3_U0 0x00000200
#define MAS3_U1 0x00000100
#define MAS3_U2 0x00000080
#define MAS3_U3 0x00000040
#define MAS3_UX 0x00000020
#define MAS3_SX 0x00000010
#define MAS3_UW 0x00000008
#define MAS3_SW 0x00000004
#define MAS3_UR 0x00000002
#define MAS3_SR 0x00000001
#define MAS3_SPSIZE_SHIFT 1
#define MAS3_SPSIZE_MASK (0x3e << MAS3_SPSIZE_SHIFT)
#define MAS4_TLBSELD_SHIFT MAS0_TLBSEL_SHIFT
#define MAS4_TLBSELD_MASK MAS0_TLBSEL_MASK
#define MAS4_TIDSELD_MASK 0x00030000
#define MAS4_TIDSELD_PID0 0x00000000
#define MAS4_TIDSELD_PID1 0x00010000
#define MAS4_TIDSELD_PID2 0x00020000
#define MAS4_TIDSELD_PIDZ 0x00030000
#define MAS4_INDD 0x00008000 /* Default IND */
#define MAS4_TSIZED_SHIFT MAS1_TSIZE_SHIFT
#define MAS4_TSIZED_MASK MAS1_TSIZE_MASK
#define MAS4_ACMD 0x00000040
#define MAS4_VLED 0x00000020
#define MAS4_WD 0x00000010
#define MAS4_ID 0x00000008
#define MAS4_MD 0x00000004
#define MAS4_GD 0x00000002
#define MAS4_ED 0x00000001
#define MAS4_WIMGED_MASK 0x0000001f /* Default WIMGE */
#define MAS4_WIMGED_SHIFT 0
#define MAS5_SGS 0x80000000
#define MAS5_SLPID_MASK 0x00000fff
#define MAS6_SPID0 0x3fff0000
#define MAS6_SPID1 0x00007ffe
#define MAS6_ISIZE(x) MAS1_TSIZE(x)
#define MAS6_SAS 0x00000001
#define MAS6_SPID MAS6_SPID0
#define MAS6_SIND 0x00000002 /* Indirect page */
#define MAS6_SIND_SHIFT 1
#define MAS6_SPID_MASK 0x3fff0000
#define MAS6_SPID_SHIFT 16
#define MAS6_ISIZE_MASK 0x00000f80
#define MAS6_ISIZE_SHIFT 7
#define MAS7_RPN 0xffffffff
#define MAS8_TGS 0x80000000
#define MAS8_VF 0x40000000
#define MAS8_TLBPID 0x00000fff
/* Bit definitions for MMUCFG */
#define MMUCFG_MAVN 0x00000003 /* MMU Architecture Version Number */
#define MMUCFG_MAVN_V1 0x00000000 /* v1.0 */
#define MMUCFG_MAVN_V2 0x00000001 /* v2.0 */
#define MMUCFG_NTLBS 0x0000000c /* Number of TLBs */
#define MMUCFG_PIDSIZE 0x000007c0 /* PID Reg Size */
#define MMUCFG_TWC 0x00008000 /* TLB Write Conditional (v2.0) */
#define MMUCFG_LRAT 0x00010000 /* LRAT Supported (v2.0) */
#define MMUCFG_RASIZE 0x00fe0000 /* Real Addr Size */
#define MMUCFG_LPIDSIZE 0x0f000000 /* LPID Reg Size */
/* Bit definitions for MMUCSR0 */
#define MMUCSR0_TLB1FI 0x00000002 /* TLB1 Flash invalidate */
#define MMUCSR0_TLB0FI 0x00000004 /* TLB0 Flash invalidate */
#define MMUCSR0_TLB2FI 0x00000040 /* TLB2 Flash invalidate */
#define MMUCSR0_TLB3FI 0x00000020 /* TLB3 Flash invalidate */
#define MMUCSR0_TLBFI (MMUCSR0_TLB0FI | MMUCSR0_TLB1FI | \
MMUCSR0_TLB2FI | MMUCSR0_TLB3FI)
#define MMUCSR0_TLB0PS 0x00000780 /* TLB0 Page Size */
#define MMUCSR0_TLB1PS 0x00007800 /* TLB1 Page Size */
#define MMUCSR0_TLB2PS 0x00078000 /* TLB2 Page Size */
#define MMUCSR0_TLB3PS 0x00780000 /* TLB3 Page Size */
/* TLBnCFG encoding */
#define TLBnCFG_N_ENTRY 0x00000fff /* number of entries */
#define TLBnCFG_HES 0x00002000 /* HW select supported */
#define TLBnCFG_AVAIL 0x00004000 /* variable page size */
#define TLBnCFG_IPROT 0x00008000 /* IPROT supported */
#define TLBnCFG_GTWE 0x00010000 /* Guest can write */
#define TLBnCFG_IND 0x00020000 /* IND entries supported */
#define TLBnCFG_PT 0x00040000 /* Can load from page table */
#define TLBnCFG_MINSIZE 0x00f00000 /* Minimum Page Size (v1.0) */
#define TLBnCFG_MINSIZE_SHIFT 20
#define TLBnCFG_MAXSIZE 0x000f0000 /* Maximum Page Size (v1.0) */
#define TLBnCFG_MAXSIZE_SHIFT 16
#define TLBnCFG_ASSOC 0xff000000 /* Associativity */
#define TLBnCFG_ASSOC_SHIFT 24
/* TLBnPS encoding */
#define TLBnPS_4K 0x00000004
#define TLBnPS_8K 0x00000008
#define TLBnPS_16K 0x00000010
#define TLBnPS_32K 0x00000020
#define TLBnPS_64K 0x00000040
#define TLBnPS_128K 0x00000080
#define TLBnPS_256K 0x00000100
#define TLBnPS_512K 0x00000200
#define TLBnPS_1M 0x00000400
#define TLBnPS_2M 0x00000800
#define TLBnPS_4M 0x00001000
#define TLBnPS_8M 0x00002000
#define TLBnPS_16M 0x00004000
#define TLBnPS_32M 0x00008000
#define TLBnPS_64M 0x00010000
#define TLBnPS_128M 0x00020000
#define TLBnPS_256M 0x00040000
#define TLBnPS_512M 0x00080000
#define TLBnPS_1G 0x00100000
#define TLBnPS_2G 0x00200000
#define TLBnPS_4G 0x00400000
#define TLBnPS_8G 0x00800000
#define TLBnPS_16G 0x01000000
#define TLBnPS_32G 0x02000000
#define TLBnPS_64G 0x04000000
#define TLBnPS_128G 0x08000000
#define TLBnPS_256G 0x10000000
/* tlbilx action encoding */
#define TLBILX_T_ALL 0
#define TLBILX_T_TID 1
#define TLBILX_T_FULLMATCH 3
#define TLBILX_T_CLASS0 4
#define TLBILX_T_CLASS1 5
#define TLBILX_T_CLASS2 6
#define TLBILX_T_CLASS3 7
/* BookE 2.06 helper defines */
#define BOOKE206_FLUSH_TLB0 (1 << 0)
#define BOOKE206_FLUSH_TLB1 (1 << 1)
#define BOOKE206_FLUSH_TLB2 (1 << 2)
#define BOOKE206_FLUSH_TLB3 (1 << 3)
/* number of possible TLBs */
#define BOOKE206_MAX_TLBN 4
/*****************************************************************************/
/* Embedded.Processor Control */
#define DBELL_TYPE_SHIFT 27
#define DBELL_TYPE_MASK (0x1f << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_DBELL (0x00 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_DBELL_CRIT (0x01 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL (0x02 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL_CRIT (0x03 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL_MC (0x04 << DBELL_TYPE_SHIFT)
#define DBELL_BRDCAST (1 << 26)
#define DBELL_LPIDTAG_SHIFT 14
#define DBELL_LPIDTAG_MASK (0xfff << DBELL_LPIDTAG_SHIFT)
#define DBELL_PIRTAG_MASK 0x3fff
/*****************************************************************************/
/* Segment page size information, used by recent hash MMUs
* The format of this structure mirrors kvm_ppc_smmu_info
*/
#define PPC_PAGE_SIZES_MAX_SZ 8
struct ppc_one_page_size {
uint32_t page_shift; /* Page shift (or 0) */
uint32_t pte_enc; /* Encoding in the HPTE (>>12) */
};
struct ppc_one_seg_page_size {
uint32_t page_shift; /* Base page shift of segment (or 0) */
uint32_t slb_enc; /* SLB encoding for BookS */
struct ppc_one_page_size enc[PPC_PAGE_SIZES_MAX_SZ];
};
struct ppc_segment_page_sizes {
struct ppc_one_seg_page_size sps[PPC_PAGE_SIZES_MAX_SZ];
};
/*****************************************************************************/
/* The whole PowerPC CPU context */
#define NB_MMU_MODES 3
struct ppc_def_t {
const char *name;
uint32_t pvr;
uint32_t svr;
uint64_t insns_flags;
uint64_t insns_flags2;
uint64_t msr_mask;
powerpc_mmu_t mmu_model;
powerpc_excp_t excp_model;
powerpc_input_t bus_model;
uint32_t flags;
int bfd_mach;
#if defined(TARGET_PPC64)
const struct ppc_segment_page_sizes *sps;
#endif
void (*init_proc)(CPUPPCState *env);
int (*check_pow)(CPUPPCState *env);
};
struct CPUPPCState {
/* First are the most commonly used resources
* during translated code execution
*/
/* general purpose registers */
target_ulong gpr[32];
#if !defined(TARGET_PPC64)
/* Storage for GPR MSB, used by the SPE extension */
target_ulong gprh[32];
#endif
/* LR */
target_ulong lr;
/* CTR */
target_ulong ctr;
/* condition register */
uint32_t crf[8];
#if defined(TARGET_PPC64)
/* CFAR */
target_ulong cfar;
#endif
/* XER */
target_ulong xer;
/* Reservation address */
target_ulong reserve_addr;
/* Reservation value */
target_ulong reserve_val;
/* Reservation store address */
target_ulong reserve_ea;
/* Reserved store source register and size */
target_ulong reserve_info;
/* Those ones are used in supervisor mode only */
/* machine state register */
target_ulong msr;
/* temporary general purpose registers */
target_ulong tgpr[4]; /* Used to speed-up TLB assist handlers */
/* Floating point execution context */
float_status fp_status;
/* floating point registers */
float64 fpr[32];
/* floating point status and control register */
uint32_t fpscr;
/* Next instruction pointer */
target_ulong nip;
int access_type; /* when a memory exception occurs, the access
type is stored here */
CPU_COMMON
/* MMU context - only relevant for full system emulation */
#if !defined(CONFIG_USER_ONLY)
#if defined(TARGET_PPC64)
/* Address space register */
target_ulong asr;
/* PowerPC 64 SLB area */
ppc_slb_t slb[64];
int slb_nr;
#endif
/* segment registers */
target_phys_addr_t htab_base;
target_phys_addr_t htab_mask;
target_ulong sr[32];
/* externally stored hash table */
uint8_t *external_htab;
/* BATs */
int nb_BATs;
target_ulong DBAT[2][8];
target_ulong IBAT[2][8];
/* PowerPC TLB registers (for 4xx, e500 and 60x software driven TLBs) */
int nb_tlb; /* Total number of TLB */
int tlb_per_way; /* Speed-up helper: used to avoid divisions at run time */
int nb_ways; /* Number of ways in the TLB set */
int last_way; /* Last used way used to allocate TLB in a LRU way */
int id_tlbs; /* If 1, MMU has separated TLBs for instructions & data */