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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
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39#define TT_DFAULT 0x09
40#define TT_EXTINT 0x10
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41#define TT_DIV_ZERO 0x2a
42#define TT_TRAP 0x80
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43#else
44#define TT_TFAULT 0x08
83469015 45#define TT_TMISS 0x09
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46#define TT_ILL_INSN 0x10
47#define TT_PRIV_INSN 0x11
48#define TT_NFPU_INSN 0x20
49#define TT_FP_EXCP 0x21
50#define TT_CLRWIN 0x24
51#define TT_DIV_ZERO 0x28
52#define TT_DFAULT 0x30
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53#define TT_DMISS 0x31
54#define TT_DPROT 0x32
55#define TT_PRIV_ACT 0x37
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56#define TT_EXTINT 0x40
57#define TT_SPILL 0x80
58#define TT_FILL 0xc0
59#define TT_WOTHER 0x10
60#define TT_TRAP 0x100
61#endif
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62
63#define PSR_NEG (1<<23)
64#define PSR_ZERO (1<<22)
65#define PSR_OVF (1<<21)
66#define PSR_CARRY (1<<20)
e8af50a3 67#define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
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68#define PSR_EF (1<<12)
69#define PSR_PIL 0xf00
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70#define PSR_S (1<<7)
71#define PSR_PS (1<<6)
72#define PSR_ET (1<<5)
73#define PSR_CWP 0x1f
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74
75/* Trap base register */
76#define TBR_BASE_MASK 0xfffff000
77
3475187d 78#if defined(TARGET_SPARC64)
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79#define PS_IG (1<<11)
80#define PS_MG (1<<10)
81#define PS_RED (1<<5)
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82#define PS_PEF (1<<4)
83#define PS_AM (1<<3)
84#define PS_PRIV (1<<2)
85#define PS_IE (1<<1)
83469015 86#define PS_AG (1<<0)
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87
88#define FPRS_FEF (1<<2)
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89#endif
90
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91/* Fcc */
92#define FSR_RD1 (1<<31)
93#define FSR_RD0 (1<<30)
94#define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
95#define FSR_RD_NEAREST 0
96#define FSR_RD_ZERO FSR_RD0
97#define FSR_RD_POS FSR_RD1
98#define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
99
100#define FSR_NVM (1<<27)
101#define FSR_OFM (1<<26)
102#define FSR_UFM (1<<25)
103#define FSR_DZM (1<<24)
104#define FSR_NXM (1<<23)
105#define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
106
107#define FSR_NVA (1<<9)
108#define FSR_OFA (1<<8)
109#define FSR_UFA (1<<7)
110#define FSR_DZA (1<<6)
111#define FSR_NXA (1<<5)
112#define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
113
114#define FSR_NVC (1<<4)
115#define FSR_OFC (1<<3)
116#define FSR_UFC (1<<2)
117#define FSR_DZC (1<<1)
118#define FSR_NXC (1<<0)
119#define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
120
121#define FSR_FTT2 (1<<16)
122#define FSR_FTT1 (1<<15)
123#define FSR_FTT0 (1<<14)
124#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
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125#define FSR_FTT_IEEE_EXCP (1 << 14)
126#define FSR_FTT_UNIMPFPOP (3 << 14)
127#define FSR_FTT_INVAL_FPR (6 << 14)
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128
129#define FSR_FCC1 (1<<11)
130#define FSR_FCC0 (1<<10)
131
132/* MMU */
133#define MMU_E (1<<0)
134#define MMU_NF (1<<1)
135
136#define PTE_ENTRYTYPE_MASK 3
137#define PTE_ACCESS_MASK 0x1c
138#define PTE_ACCESS_SHIFT 2
8d5f07fa 139#define PTE_PPN_SHIFT 7
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140#define PTE_ADDR_MASK 0xffffff00
141
142#define PG_ACCESSED_BIT 5
143#define PG_MODIFIED_BIT 6
144#define PG_CACHE_BIT 7
145
146#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
147#define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
148#define PG_CACHE_MASK (1 << PG_CACHE_BIT)
149
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150/* 2 <= NWINDOWS <= 32. In QEMU it must also be a power of two. */
151#define NWINDOWS 8
cf495bcf 152
7a3f1944 153typedef struct CPUSPARCState {
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154 target_ulong gregs[8]; /* general registers */
155 target_ulong *regwptr; /* pointer to current register window */
65ce8c2f 156 float32 fpr[TARGET_FPREGS]; /* floating point registers */
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157 target_ulong pc; /* program counter */
158 target_ulong npc; /* next program counter */
159 target_ulong y; /* multiply/divide register */
cf495bcf 160 uint32_t psr; /* processor state register */
3475187d 161 target_ulong fsr; /* FPU state register */
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162 uint32_t cwp; /* index of current register window (extracted
163 from PSR) */
164 uint32_t wim; /* window invalid mask */
3475187d 165 target_ulong tbr; /* trap base register */
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166 int psrs; /* supervisor mode (extracted from PSR) */
167 int psrps; /* previous supervisor mode */
168 int psret; /* enable traps */
3475187d 169 uint32_t psrpil; /* interrupt level */
e80cfcfc 170 int psref; /* enable fpu */
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171 jmp_buf jmp_env;
172 int user_mode_only;
173 int exception_index;
174 int interrupt_index;
175 int interrupt_request;
ba3c64fb 176 int halted;
cf495bcf 177 /* NOTE: we allow 8 more registers to handle wrapping */
af7bf89b 178 target_ulong regbase[NWINDOWS * 16 + 8];
d720b93d 179
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180 CPU_COMMON
181
e8af50a3 182 /* MMU regs */
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183#if defined(TARGET_SPARC64)
184 uint64_t lsu;
185#define DMMU_E 0x8
186#define IMMU_E 0x4
187 uint64_t immuregs[16];
188 uint64_t dmmuregs[16];
189 uint64_t itlb_tag[64];
190 uint64_t itlb_tte[64];
191 uint64_t dtlb_tag[64];
192 uint64_t dtlb_tte[64];
193#else
e8af50a3 194 uint32_t mmuregs[16];
3475187d 195#endif
e8af50a3 196 /* temporary float registers */
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197 float32 ft0, ft1;
198 float64 dt0, dt1;
7a0e1f41 199 float_status fp_status;
af7bf89b 200#if defined(TARGET_SPARC64)
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201#define MAXTL 4
202 uint64_t t0, t1, t2;
203 uint64_t tpc[MAXTL];
204 uint64_t tnpc[MAXTL];
205 uint64_t tstate[MAXTL];
206 uint32_t tt[MAXTL];
207 uint32_t xcc; /* Extended integer condition codes */
208 uint32_t asi;
209 uint32_t pstate;
210 uint32_t tl;
211 uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
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212 uint64_t agregs[8]; /* alternate general registers */
213 uint64_t bgregs[8]; /* backup for normal global registers */
214 uint64_t igregs[8]; /* interrupt general registers */
215 uint64_t mgregs[8]; /* mmu general registers */
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216 uint64_t version;
217 uint64_t fprs;
83469015 218 uint64_t tick_cmpr, stick_cmpr;
725cb90b 219 uint64_t gsr;
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220#endif
221#if !defined(TARGET_SPARC64) && !defined(reg_T2)
222 target_ulong t2;
af7bf89b 223#endif
7a3f1944 224} CPUSPARCState;
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225#if defined(TARGET_SPARC64)
226#define GET_FSR32(env) (env->fsr & 0xcfc1ffff)
227#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
228 env->fsr = (_tmp & 0xcfc1c3ff) | (env->fsr & 0x3f00000000ULL); \
229 } while (0)
230#define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL)
231#define PUT_FSR64(env, val) do { uint64_t _tmp = val; \
232 env->fsr = _tmp & 0x3fcfc1c3ffULL; \
233 } while (0)
234// Manuf 0x17, version 0x11, mask 0 (UltraSparc-II)
235#define GET_VER(env) ((0x17ULL << 48) | (0x11ULL << 32) | \
236 (0 << 24) | (MAXTL << 8) | (NWINDOWS - 1))
237#else
238#define GET_FSR32(env) (env->fsr)
239#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
240 env->fsr = _tmp & 0xcfc1ffff; \
241 } while (0)
242#endif
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243
244CPUSPARCState *cpu_sparc_init(void);
245int cpu_sparc_exec(CPUSPARCState *s);
246int cpu_sparc_close(CPUSPARCState *s);
247
b4ff5987 248/* Fake impl 0, version 4 */
af7bf89b 249#define GET_PSR(env) ((0 << 28) | (4 << 24) | (env->psr & PSR_ICC) | \
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250 (env->psref? PSR_EF : 0) | \
251 (env->psrpil << 8) | \
252 (env->psrs? PSR_S : 0) | \
afc7df11 253 (env->psrps? PSR_PS : 0) | \
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254 (env->psret? PSR_ET : 0) | env->cwp)
255
256#ifndef NO_CPU_IO_DEFS
257void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
258#endif
259
260#define PUT_PSR(env, val) do { int _tmp = val; \
af7bf89b 261 env->psr = _tmp & PSR_ICC; \
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262 env->psref = (_tmp & PSR_EF)? 1 : 0; \
263 env->psrpil = (_tmp & PSR_PIL) >> 8; \
264 env->psrs = (_tmp & PSR_S)? 1 : 0; \
265 env->psrps = (_tmp & PSR_PS)? 1 : 0; \
266 env->psret = (_tmp & PSR_ET)? 1 : 0; \
267 cpu_set_cwp(env, _tmp & PSR_CWP & (NWINDOWS - 1)); \
268 } while (0)
269
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270#ifdef TARGET_SPARC64
271#define GET_CCR(env) ((env->xcc << 4) | (env->psr & PSR_ICC))
272#define PUT_CCR(env, val) do { int _tmp = val; \
273 env->xcc = _tmp >> 4; \
274 env->psr = (_tmp & 0xf) << 20; \
275 } while (0)
276#endif
277
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278struct siginfo;
279int cpu_sparc_signal_handler(int hostsignum, struct siginfo *info, void *puc);
7a3f1944 280
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281#include "cpu-all.h"
282
283#endif