6
#if !defined(TARGET_SPARC64)
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7
#define TARGET_LONG_BITS 32
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#define TARGET_FPREGS 32
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#define TARGET_PAGE_BITS 12 /* 4k */
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#define TARGET_LONG_BITS 64
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#define TARGET_FPREGS 64
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#define TARGET_PAGE_BITS 13 /* 8k */
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#define TARGET_PHYS_ADDR_BITS 64
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#include "cpu-defs.h"
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#include "softfloat.h"
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#define TARGET_HAS_ICE 1
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#if !defined(TARGET_SPARC64)
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#define ELF_MACHINE EM_SPARC
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#define ELF_MACHINE EM_SPARCV9
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/*#define EXCP_INTERRUPT 0x100*/
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/* trap definitions */
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#ifndef TARGET_SPARC64
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#define TT_TFAULT 0x01
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#define TT_ILL_INSN 0x02
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#define TT_PRIV_INSN 0x03
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#define TT_NFPU_INSN 0x04
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#define TT_WIN_OVF 0x05
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#define TT_WIN_UNF 0x06
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#define TT_WIN_UNF 0x06
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#define TT_UNALIGNED 0x07
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#define TT_FP_EXCP 0x08
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#define TT_DFAULT 0x09
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#define TT_EXTINT 0x10
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#define TT_CODE_ACCESS 0x21
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#define TT_DATA_ACCESS 0x29
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#define TT_DIV_ZERO 0x2a
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#define TT_NCP_INSN 0x24
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#define TT_TRAP 0x80
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#define TT_TFAULT 0x08
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#define TT_CODE_ACCESS 0x0a
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#define TT_ILL_INSN 0x10
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#define TT_PRIV_INSN 0x11
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#define TT_NFPU_INSN 0x20
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#define TT_FP_EXCP 0x21
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#define TT_CLRWIN 0x24
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#define TT_DIV_ZERO 0x28
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#define TT_DFAULT 0x30
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#define TT_DATA_ACCESS 0x32
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#define TT_UNALIGNED 0x34
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#define TT_PRIV_ACT 0x37
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#define TT_EXTINT 0x40
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#define TT_WOTHER 0x10
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#define PSR_NEG (1<<23)
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#define PSR_ZERO (1<<22)
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#define PSR_OVF (1<<21)
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#define PSR_CARRY (1<<20)
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#define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
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#define PSR_EF (1<<12)
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/* Trap base register */
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#define TBR_BASE_MASK 0xfffff000
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#if defined(TARGET_SPARC64)
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#define PS_PRIV (1<<2)
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#define FPRS_FEF (1<<2)
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#define HS_PRIV (1<<2)
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#define FSR_RD1 (1<<31)
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#define FSR_RD0 (1<<30)
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#define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
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#define FSR_RD_NEAREST 0
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#define FSR_RD_ZERO FSR_RD0
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#define FSR_RD_POS FSR_RD1
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#define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
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#define FSR_NVM (1<<27)
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#define FSR_OFM (1<<26)
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#define FSR_UFM (1<<25)
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#define FSR_DZM (1<<24)
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#define FSR_NXM (1<<23)
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#define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
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#define FSR_NVA (1<<9)
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#define FSR_OFA (1<<8)
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#define FSR_UFA (1<<7)
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#define FSR_DZA (1<<6)
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#define FSR_NXA (1<<5)
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#define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
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#define FSR_NVC (1<<4)
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#define FSR_OFC (1<<3)
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#define FSR_UFC (1<<2)
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#define FSR_DZC (1<<1)
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#define FSR_NXC (1<<0)
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#define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
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#define FSR_FTT2 (1<<16)
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#define FSR_FTT1 (1<<15)
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#define FSR_FTT0 (1<<14)
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#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
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#define FSR_FTT_IEEE_EXCP (1 << 14)
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#define FSR_FTT_UNIMPFPOP (3 << 14)
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#define FSR_FTT_SEQ_ERROR (4 << 14)
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#define FSR_FTT_INVAL_FPR (6 << 14)
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#define FSR_FCC1 (1<<11)
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#define FSR_FCC0 (1<<10)
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#define MMU_NF (1<<1)
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#define PTE_ENTRYTYPE_MASK 3
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#define PTE_ACCESS_MASK 0x1c
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#define PTE_ACCESS_SHIFT 2
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#define PTE_PPN_SHIFT 7
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#define PTE_ADDR_MASK 0xffffff00
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#define PG_ACCESSED_BIT 5
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#define PG_MODIFIED_BIT 6
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#define PG_CACHE_BIT 7
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#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
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#define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
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#define PG_CACHE_MASK (1 << PG_CACHE_BIT)
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/* 2 <= NWINDOWS <= 32. In QEMU it must also be a power of two. */
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#if !defined(TARGET_SPARC64)
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#define NB_MMU_MODES 2
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#define NB_MMU_MODES 3
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typedef struct CPUSPARCState {
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uint32_t gregs[8]; /* general registers */
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uint32_t *regwptr; /* pointer to current register window */
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double *regfptr; /* floating point registers */
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uint32_t pc; /* program counter */
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uint32_t npc; /* next program counter */
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uint32_t sp; /* stack pointer */
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uint32_t y; /* multiply/divide register */
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target_ulong gregs[8]; /* general registers */
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target_ulong *regwptr; /* pointer to current register window */
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float32 fpr[TARGET_FPREGS]; /* floating point registers */
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target_ulong pc; /* program counter */
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target_ulong npc; /* next program counter */
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target_ulong y; /* multiply/divide register */
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uint32_t psr; /* processor state register */
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target_ulong fsr; /* FPU state register */
34
183
uint32_t cwp; /* index of current register window (extracted
36
185
uint32_t wim; /* window invalid mask */
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target_ulong tbr; /* trap base register */
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int psrs; /* supervisor mode (extracted from PSR) */
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int psrps; /* previous supervisor mode */
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int psret; /* enable traps */
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uint32_t psrpil; /* interrupt blocking level */
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uint32_t pil_in; /* incoming interrupt level bitmap */
192
int psref; /* enable fpu */
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target_ulong version;
38
195
int user_mode_only;
39
196
int exception_index;
40
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int interrupt_index;
41
198
int interrupt_request;
42
struct TranslationBlock *current_tb;
44
201
/* NOTE: we allow 8 more registers to handle wrapping */
45
uint32_t regbase[NWINDOWS * 16 + 8];
47
/* in order to avoid passing too many arguments to the memory
48
write helpers, we store some rarely used information in the CPU
50
unsigned long mem_write_pc; /* host pc at which the memory was
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unsigned long mem_write_vaddr; /* target virtual addr at which the
202
target_ulong regbase[NWINDOWS * 16 + 8];
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#if defined(TARGET_SPARC64)
211
uint64_t immuregs[16];
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uint64_t dmmuregs[16];
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uint64_t itlb_tag[64];
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uint64_t itlb_tte[64];
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uint64_t dtlb_tag[64];
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uint64_t dtlb_tte[64];
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uint32_t mmuregs[32];
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uint64_t mxccdata[4];
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uint64_t mxccregs[8];
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/* temporary float registers */
226
#if defined(CONFIG_USER_ONLY)
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float_status fp_status;
230
#if defined(TARGET_SPARC64)
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uint64_t tnpc[MAXTL];
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uint64_t tstate[MAXTL];
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uint32_t xcc; /* Extended integer condition codes */
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uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
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uint64_t agregs[8]; /* alternate general registers */
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uint64_t bgregs[8]; /* backup for normal global registers */
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uint64_t igregs[8]; /* interrupt general registers */
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uint64_t mgregs[8]; /* mmu general registers */
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uint64_t tick_cmpr, stick_cmpr;
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uint32_t gl; // UA2005
251
/* UA 2005 hyperprivileged registers */
252
uint64_t hpstate, htstate[MAXTL], hintp, htba, hver, hstick_cmpr, ssr;
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void *hstick; // UA 2005
255
#if !defined(TARGET_SPARC64) && !defined(reg_T2)
259
#if defined(TARGET_SPARC64)
260
#define GET_FSR32(env) (env->fsr & 0xcfc1ffff)
261
#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
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env->fsr = (_tmp & 0xcfc1c3ff) | (env->fsr & 0x3f00000000ULL); \
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#define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL)
265
#define PUT_FSR64(env, val) do { uint64_t _tmp = val; \
266
env->fsr = _tmp & 0x3fcfc1c3ffULL; \
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#define GET_FSR32(env) (env->fsr)
270
#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
271
env->fsr = (_tmp & 0xcfc1dfff) | (env->fsr & 0x000e0000); \
56
CPUSPARCState *cpu_sparc_init(void);
275
CPUSPARCState *cpu_sparc_init(const char *cpu_model);
57
276
int cpu_sparc_exec(CPUSPARCState *s);
58
277
int cpu_sparc_close(CPUSPARCState *s);
61
int cpu_sparc_signal_handler(int hostsignum, struct siginfo *info, void *puc);
62
void cpu_sparc_dump_state(CPUSPARCState *env, FILE *f, int flags);
64
#define TARGET_PAGE_BITS 13
278
void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt,
280
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
282
#define GET_PSR(env) (env->version | (env->psr & PSR_ICC) | \
283
(env->psref? PSR_EF : 0) | \
284
(env->psrpil << 8) | \
285
(env->psrs? PSR_S : 0) | \
286
(env->psrps? PSR_PS : 0) | \
287
(env->psret? PSR_ET : 0) | env->cwp)
289
#ifndef NO_CPU_IO_DEFS
290
void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
293
#define PUT_PSR(env, val) do { int _tmp = val; \
294
env->psr = _tmp & PSR_ICC; \
295
env->psref = (_tmp & PSR_EF)? 1 : 0; \
296
env->psrpil = (_tmp & PSR_PIL) >> 8; \
297
env->psrs = (_tmp & PSR_S)? 1 : 0; \
298
env->psrps = (_tmp & PSR_PS)? 1 : 0; \
299
env->psret = (_tmp & PSR_ET)? 1 : 0; \
300
cpu_set_cwp(env, _tmp & PSR_CWP); \
303
#ifdef TARGET_SPARC64
304
#define GET_CCR(env) (((env->xcc >> 20) << 4) | ((env->psr & PSR_ICC) >> 20))
305
#define PUT_CCR(env, val) do { int _tmp = val; \
306
env->xcc = (_tmp >> 4) << 20; \
307
env->psr = (_tmp & 0xf) << 20; \
309
#define GET_CWP64(env) (NWINDOWS - 1 - (env)->cwp)
310
#define PUT_CWP64(env, val) \
311
cpu_set_cwp(env, NWINDOWS - 1 - ((val) & (NWINDOWS - 1)))
315
int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
316
void raise_exception(int tt);
317
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
319
void do_tick_set_count(void *opaque, uint64_t count);
320
uint64_t do_tick_get_count(void *opaque);
321
void do_tick_set_limit(void *opaque, uint64_t limit);
322
void cpu_check_irqs(CPUSPARCState *env);
324
#define CPUState CPUSPARCState
325
#define cpu_init cpu_sparc_init
326
#define cpu_exec cpu_sparc_exec
327
#define cpu_gen_code cpu_sparc_gen_code
328
#define cpu_signal_handler cpu_sparc_signal_handler
329
#define cpu_list sparc_cpu_list
331
/* MMU modes definitions */
332
#define MMU_MODE0_SUFFIX _user
333
#define MMU_MODE1_SUFFIX _kernel
334
#ifdef TARGET_SPARC64
335
#define MMU_MODE2_SUFFIX _hypv
337
#define MMU_USER_IDX 0
338
static inline int cpu_mmu_index (CPUState *env)
340
#if defined(CONFIG_USER_ONLY)
342
#elif !defined(TARGET_SPARC64)
347
else if ((env->hpstate & HS_PRIV) == 0)
354
static inline int cpu_fpu_enabled(CPUState *env)
356
#if defined(CONFIG_USER_ONLY)
358
#elif !defined(TARGET_SPARC64)
361
return ((env->pstate & PS_PEF) != 0) && ((env->fprs & FPRS_FEF) != 0);
65
365
#include "cpu-all.h"