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Add PowerPC 405 input pins (IRQ, resets, ...) model.
[qemu.git] / target-sparc / cpu.h
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1#ifndef CPU_SPARC_H
2#define CPU_SPARC_H
3
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4#include "config.h"
5
6#if !defined(TARGET_SPARC64)
3cf1e035 7#define TARGET_LONG_BITS 32
af7bf89b 8#define TARGET_FPREGS 32
83469015 9#define TARGET_PAGE_BITS 12 /* 4k */
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10#else
11#define TARGET_LONG_BITS 64
12#define TARGET_FPREGS 64
83469015 13#define TARGET_PAGE_BITS 12 /* XXX */
af7bf89b 14#endif
3cf1e035 15
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16#include "cpu-defs.h"
17
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18#include "softfloat.h"
19
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20#define TARGET_HAS_ICE 1
21
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22#if !defined(TARGET_SPARC64)
23#define ELF_MACHINE EM_SPARC
24#else
25#define ELF_MACHINE EM_SPARCV9
26#endif
27
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28/*#define EXCP_INTERRUPT 0x100*/
29
cf495bcf 30/* trap definitions */
3475187d 31#ifndef TARGET_SPARC64
878d3096 32#define TT_TFAULT 0x01
cf495bcf 33#define TT_ILL_INSN 0x02
e8af50a3 34#define TT_PRIV_INSN 0x03
e80cfcfc 35#define TT_NFPU_INSN 0x04
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36#define TT_WIN_OVF 0x05
37#define TT_WIN_UNF 0x06
e8af50a3 38#define TT_FP_EXCP 0x08
878d3096 39#define TT_DFAULT 0x09
e32f879d 40#define TT_TOVF 0x0a
878d3096 41#define TT_EXTINT 0x10
cf495bcf 42#define TT_DIV_ZERO 0x2a
fcc72045 43#define TT_NCP_INSN 0x24
cf495bcf 44#define TT_TRAP 0x80
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45#else
46#define TT_TFAULT 0x08
83469015 47#define TT_TMISS 0x09
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48#define TT_ILL_INSN 0x10
49#define TT_PRIV_INSN 0x11
50#define TT_NFPU_INSN 0x20
51#define TT_FP_EXCP 0x21
e32f879d 52#define TT_TOVF 0x23
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53#define TT_CLRWIN 0x24
54#define TT_DIV_ZERO 0x28
55#define TT_DFAULT 0x30
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56#define TT_DMISS 0x31
57#define TT_DPROT 0x32
58#define TT_PRIV_ACT 0x37
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59#define TT_EXTINT 0x40
60#define TT_SPILL 0x80
61#define TT_FILL 0xc0
62#define TT_WOTHER 0x10
63#define TT_TRAP 0x100
64#endif
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65
66#define PSR_NEG (1<<23)
67#define PSR_ZERO (1<<22)
68#define PSR_OVF (1<<21)
69#define PSR_CARRY (1<<20)
e8af50a3 70#define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
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71#define PSR_EF (1<<12)
72#define PSR_PIL 0xf00
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73#define PSR_S (1<<7)
74#define PSR_PS (1<<6)
75#define PSR_ET (1<<5)
76#define PSR_CWP 0x1f
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77
78/* Trap base register */
79#define TBR_BASE_MASK 0xfffff000
80
3475187d 81#if defined(TARGET_SPARC64)
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82#define PS_IG (1<<11)
83#define PS_MG (1<<10)
84#define PS_RED (1<<5)
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85#define PS_PEF (1<<4)
86#define PS_AM (1<<3)
87#define PS_PRIV (1<<2)
88#define PS_IE (1<<1)
83469015 89#define PS_AG (1<<0)
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90
91#define FPRS_FEF (1<<2)
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92#endif
93
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94/* Fcc */
95#define FSR_RD1 (1<<31)
96#define FSR_RD0 (1<<30)
97#define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
98#define FSR_RD_NEAREST 0
99#define FSR_RD_ZERO FSR_RD0
100#define FSR_RD_POS FSR_RD1
101#define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
102
103#define FSR_NVM (1<<27)
104#define FSR_OFM (1<<26)
105#define FSR_UFM (1<<25)
106#define FSR_DZM (1<<24)
107#define FSR_NXM (1<<23)
108#define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
109
110#define FSR_NVA (1<<9)
111#define FSR_OFA (1<<8)
112#define FSR_UFA (1<<7)
113#define FSR_DZA (1<<6)
114#define FSR_NXA (1<<5)
115#define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
116
117#define FSR_NVC (1<<4)
118#define FSR_OFC (1<<3)
119#define FSR_UFC (1<<2)
120#define FSR_DZC (1<<1)
121#define FSR_NXC (1<<0)
122#define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
123
124#define FSR_FTT2 (1<<16)
125#define FSR_FTT1 (1<<15)
126#define FSR_FTT0 (1<<14)
127#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
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128#define FSR_FTT_IEEE_EXCP (1 << 14)
129#define FSR_FTT_UNIMPFPOP (3 << 14)
9143e598 130#define FSR_FTT_SEQ_ERROR (4 << 14)
e80cfcfc 131#define FSR_FTT_INVAL_FPR (6 << 14)
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132
133#define FSR_FCC1 (1<<11)
134#define FSR_FCC0 (1<<10)
135
136/* MMU */
137#define MMU_E (1<<0)
138#define MMU_NF (1<<1)
139
140#define PTE_ENTRYTYPE_MASK 3
141#define PTE_ACCESS_MASK 0x1c
142#define PTE_ACCESS_SHIFT 2
8d5f07fa 143#define PTE_PPN_SHIFT 7
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144#define PTE_ADDR_MASK 0xffffff00
145
146#define PG_ACCESSED_BIT 5
147#define PG_MODIFIED_BIT 6
148#define PG_CACHE_BIT 7
149
150#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
151#define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
152#define PG_CACHE_MASK (1 << PG_CACHE_BIT)
153
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154/* 2 <= NWINDOWS <= 32. In QEMU it must also be a power of two. */
155#define NWINDOWS 8
cf495bcf 156
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157typedef struct sparc_def_t sparc_def_t;
158
7a3f1944 159typedef struct CPUSPARCState {
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160 target_ulong gregs[8]; /* general registers */
161 target_ulong *regwptr; /* pointer to current register window */
65ce8c2f 162 float32 fpr[TARGET_FPREGS]; /* floating point registers */
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163 target_ulong pc; /* program counter */
164 target_ulong npc; /* next program counter */
165 target_ulong y; /* multiply/divide register */
cf495bcf 166 uint32_t psr; /* processor state register */
3475187d 167 target_ulong fsr; /* FPU state register */
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168 uint32_t cwp; /* index of current register window (extracted
169 from PSR) */
170 uint32_t wim; /* window invalid mask */
3475187d 171 target_ulong tbr; /* trap base register */
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172 int psrs; /* supervisor mode (extracted from PSR) */
173 int psrps; /* previous supervisor mode */
174 int psret; /* enable traps */
3475187d 175 uint32_t psrpil; /* interrupt level */
e80cfcfc 176 int psref; /* enable fpu */
62724a37 177 target_ulong version;
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178 jmp_buf jmp_env;
179 int user_mode_only;
180 int exception_index;
181 int interrupt_index;
182 int interrupt_request;
ba3c64fb 183 int halted;
cf495bcf 184 /* NOTE: we allow 8 more registers to handle wrapping */
af7bf89b 185 target_ulong regbase[NWINDOWS * 16 + 8];
d720b93d 186
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187 CPU_COMMON
188
e8af50a3 189 /* MMU regs */
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190#if defined(TARGET_SPARC64)
191 uint64_t lsu;
192#define DMMU_E 0x8
193#define IMMU_E 0x4
194 uint64_t immuregs[16];
195 uint64_t dmmuregs[16];
196 uint64_t itlb_tag[64];
197 uint64_t itlb_tte[64];
198 uint64_t dtlb_tag[64];
199 uint64_t dtlb_tte[64];
200#else
e8af50a3 201 uint32_t mmuregs[16];
3475187d 202#endif
e8af50a3 203 /* temporary float registers */
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204 float32 ft0, ft1;
205 float64 dt0, dt1;
7a0e1f41 206 float_status fp_status;
af7bf89b 207#if defined(TARGET_SPARC64)
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208#define MAXTL 4
209 uint64_t t0, t1, t2;
210 uint64_t tpc[MAXTL];
211 uint64_t tnpc[MAXTL];
212 uint64_t tstate[MAXTL];
213 uint32_t tt[MAXTL];
214 uint32_t xcc; /* Extended integer condition codes */
215 uint32_t asi;
216 uint32_t pstate;
217 uint32_t tl;
218 uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
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219 uint64_t agregs[8]; /* alternate general registers */
220 uint64_t bgregs[8]; /* backup for normal global registers */
221 uint64_t igregs[8]; /* interrupt general registers */
222 uint64_t mgregs[8]; /* mmu general registers */
3475187d 223 uint64_t fprs;
83469015 224 uint64_t tick_cmpr, stick_cmpr;
725cb90b 225 uint64_t gsr;
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226#endif
227#if !defined(TARGET_SPARC64) && !defined(reg_T2)
228 target_ulong t2;
af7bf89b 229#endif
7a3f1944 230} CPUSPARCState;
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231#if defined(TARGET_SPARC64)
232#define GET_FSR32(env) (env->fsr & 0xcfc1ffff)
233#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
234 env->fsr = (_tmp & 0xcfc1c3ff) | (env->fsr & 0x3f00000000ULL); \
235 } while (0)
236#define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL)
237#define PUT_FSR64(env, val) do { uint64_t _tmp = val; \
238 env->fsr = _tmp & 0x3fcfc1c3ffULL; \
239 } while (0)
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240#else
241#define GET_FSR32(env) (env->fsr)
3e736bf4 242#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
9143e598 243 env->fsr = (_tmp & 0xcfc1dfff) | (env->fsr & 0x000e0000); \
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244 } while (0)
245#endif
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246
247CPUSPARCState *cpu_sparc_init(void);
248int cpu_sparc_exec(CPUSPARCState *s);
249int cpu_sparc_close(CPUSPARCState *s);
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250int sparc_find_by_name (const unsigned char *name, const sparc_def_t **def);
251void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt,
252 ...));
253int cpu_sparc_register (CPUSPARCState *env, const sparc_def_t *def);
7a3f1944 254
62724a37 255#define GET_PSR(env) (env->version | (env->psr & PSR_ICC) | \
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256 (env->psref? PSR_EF : 0) | \
257 (env->psrpil << 8) | \
258 (env->psrs? PSR_S : 0) | \
afc7df11 259 (env->psrps? PSR_PS : 0) | \
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260 (env->psret? PSR_ET : 0) | env->cwp)
261
262#ifndef NO_CPU_IO_DEFS
263void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
264#endif
265
266#define PUT_PSR(env, val) do { int _tmp = val; \
af7bf89b 267 env->psr = _tmp & PSR_ICC; \
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268 env->psref = (_tmp & PSR_EF)? 1 : 0; \
269 env->psrpil = (_tmp & PSR_PIL) >> 8; \
270 env->psrs = (_tmp & PSR_S)? 1 : 0; \
271 env->psrps = (_tmp & PSR_PS)? 1 : 0; \
272 env->psret = (_tmp & PSR_ET)? 1 : 0; \
d4218d99 273 cpu_set_cwp(env, _tmp & PSR_CWP); \
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274 } while (0)
275
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276#ifdef TARGET_SPARC64
277#define GET_CCR(env) ((env->xcc << 4) | (env->psr & PSR_ICC))
278#define PUT_CCR(env, val) do { int _tmp = val; \
279 env->xcc = _tmp >> 4; \
280 env->psr = (_tmp & 0xf) << 20; \
281 } while (0)
282#endif
283
5a7b542b 284int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
7a3f1944 285
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286#include "cpu-all.h"
287
288#endif