]> Git Repo - qemu.git/blame - target-sparc/cpu.h
One more bit of mips CPU configuration, and support for early 4KEc
[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
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42#define TT_DIV_ZERO 0x2a
43#define TT_TRAP 0x80
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44#else
45#define TT_TFAULT 0x08
83469015 46#define TT_TMISS 0x09
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47#define TT_ILL_INSN 0x10
48#define TT_PRIV_INSN 0x11
49#define TT_NFPU_INSN 0x20
50#define TT_FP_EXCP 0x21
e32f879d 51#define TT_TOVF 0x23
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52#define TT_CLRWIN 0x24
53#define TT_DIV_ZERO 0x28
54#define TT_DFAULT 0x30
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55#define TT_DMISS 0x31
56#define TT_DPROT 0x32
57#define TT_PRIV_ACT 0x37
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58#define TT_EXTINT 0x40
59#define TT_SPILL 0x80
60#define TT_FILL 0xc0
61#define TT_WOTHER 0x10
62#define TT_TRAP 0x100
63#endif
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64
65#define PSR_NEG (1<<23)
66#define PSR_ZERO (1<<22)
67#define PSR_OVF (1<<21)
68#define PSR_CARRY (1<<20)
e8af50a3 69#define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
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70#define PSR_EF (1<<12)
71#define PSR_PIL 0xf00
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72#define PSR_S (1<<7)
73#define PSR_PS (1<<6)
74#define PSR_ET (1<<5)
75#define PSR_CWP 0x1f
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76
77/* Trap base register */
78#define TBR_BASE_MASK 0xfffff000
79
3475187d 80#if defined(TARGET_SPARC64)
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81#define PS_IG (1<<11)
82#define PS_MG (1<<10)
83#define PS_RED (1<<5)
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84#define PS_PEF (1<<4)
85#define PS_AM (1<<3)
86#define PS_PRIV (1<<2)
87#define PS_IE (1<<1)
83469015 88#define PS_AG (1<<0)
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89
90#define FPRS_FEF (1<<2)
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91#endif
92
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93/* Fcc */
94#define FSR_RD1 (1<<31)
95#define FSR_RD0 (1<<30)
96#define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
97#define FSR_RD_NEAREST 0
98#define FSR_RD_ZERO FSR_RD0
99#define FSR_RD_POS FSR_RD1
100#define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
101
102#define FSR_NVM (1<<27)
103#define FSR_OFM (1<<26)
104#define FSR_UFM (1<<25)
105#define FSR_DZM (1<<24)
106#define FSR_NXM (1<<23)
107#define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
108
109#define FSR_NVA (1<<9)
110#define FSR_OFA (1<<8)
111#define FSR_UFA (1<<7)
112#define FSR_DZA (1<<6)
113#define FSR_NXA (1<<5)
114#define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
115
116#define FSR_NVC (1<<4)
117#define FSR_OFC (1<<3)
118#define FSR_UFC (1<<2)
119#define FSR_DZC (1<<1)
120#define FSR_NXC (1<<0)
121#define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
122
123#define FSR_FTT2 (1<<16)
124#define FSR_FTT1 (1<<15)
125#define FSR_FTT0 (1<<14)
126#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
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127#define FSR_FTT_IEEE_EXCP (1 << 14)
128#define FSR_FTT_UNIMPFPOP (3 << 14)
129#define FSR_FTT_INVAL_FPR (6 << 14)
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130
131#define FSR_FCC1 (1<<11)
132#define FSR_FCC0 (1<<10)
133
134/* MMU */
135#define MMU_E (1<<0)
136#define MMU_NF (1<<1)
137
138#define PTE_ENTRYTYPE_MASK 3
139#define PTE_ACCESS_MASK 0x1c
140#define PTE_ACCESS_SHIFT 2
8d5f07fa 141#define PTE_PPN_SHIFT 7
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142#define PTE_ADDR_MASK 0xffffff00
143
144#define PG_ACCESSED_BIT 5
145#define PG_MODIFIED_BIT 6
146#define PG_CACHE_BIT 7
147
148#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
149#define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
150#define PG_CACHE_MASK (1 << PG_CACHE_BIT)
151
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152/* 2 <= NWINDOWS <= 32. In QEMU it must also be a power of two. */
153#define NWINDOWS 8
cf495bcf 154
7a3f1944 155typedef struct CPUSPARCState {
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156 target_ulong gregs[8]; /* general registers */
157 target_ulong *regwptr; /* pointer to current register window */
65ce8c2f 158 float32 fpr[TARGET_FPREGS]; /* floating point registers */
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159 target_ulong pc; /* program counter */
160 target_ulong npc; /* next program counter */
161 target_ulong y; /* multiply/divide register */
cf495bcf 162 uint32_t psr; /* processor state register */
3475187d 163 target_ulong fsr; /* FPU state register */
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164 uint32_t cwp; /* index of current register window (extracted
165 from PSR) */
166 uint32_t wim; /* window invalid mask */
3475187d 167 target_ulong tbr; /* trap base register */
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168 int psrs; /* supervisor mode (extracted from PSR) */
169 int psrps; /* previous supervisor mode */
170 int psret; /* enable traps */
3475187d 171 uint32_t psrpil; /* interrupt level */
e80cfcfc 172 int psref; /* enable fpu */
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173 jmp_buf jmp_env;
174 int user_mode_only;
175 int exception_index;
176 int interrupt_index;
177 int interrupt_request;
ba3c64fb 178 int halted;
cf495bcf 179 /* NOTE: we allow 8 more registers to handle wrapping */
af7bf89b 180 target_ulong regbase[NWINDOWS * 16 + 8];
d720b93d 181
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182 CPU_COMMON
183
e8af50a3 184 /* MMU regs */
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185#if defined(TARGET_SPARC64)
186 uint64_t lsu;
187#define DMMU_E 0x8
188#define IMMU_E 0x4
189 uint64_t immuregs[16];
190 uint64_t dmmuregs[16];
191 uint64_t itlb_tag[64];
192 uint64_t itlb_tte[64];
193 uint64_t dtlb_tag[64];
194 uint64_t dtlb_tte[64];
195#else
e8af50a3 196 uint32_t mmuregs[16];
3475187d 197#endif
e8af50a3 198 /* temporary float registers */
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199 float32 ft0, ft1;
200 float64 dt0, dt1;
7a0e1f41 201 float_status fp_status;
af7bf89b 202#if defined(TARGET_SPARC64)
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203#define MAXTL 4
204 uint64_t t0, t1, t2;
205 uint64_t tpc[MAXTL];
206 uint64_t tnpc[MAXTL];
207 uint64_t tstate[MAXTL];
208 uint32_t tt[MAXTL];
209 uint32_t xcc; /* Extended integer condition codes */
210 uint32_t asi;
211 uint32_t pstate;
212 uint32_t tl;
213 uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
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214 uint64_t agregs[8]; /* alternate general registers */
215 uint64_t bgregs[8]; /* backup for normal global registers */
216 uint64_t igregs[8]; /* interrupt general registers */
217 uint64_t mgregs[8]; /* mmu general registers */
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218 uint64_t version;
219 uint64_t fprs;
83469015 220 uint64_t tick_cmpr, stick_cmpr;
725cb90b 221 uint64_t gsr;
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222#endif
223#if !defined(TARGET_SPARC64) && !defined(reg_T2)
224 target_ulong t2;
af7bf89b 225#endif
7a3f1944 226} CPUSPARCState;
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227#if defined(TARGET_SPARC64)
228#define GET_FSR32(env) (env->fsr & 0xcfc1ffff)
229#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
230 env->fsr = (_tmp & 0xcfc1c3ff) | (env->fsr & 0x3f00000000ULL); \
231 } while (0)
232#define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL)
233#define PUT_FSR64(env, val) do { uint64_t _tmp = val; \
234 env->fsr = _tmp & 0x3fcfc1c3ffULL; \
235 } while (0)
236// Manuf 0x17, version 0x11, mask 0 (UltraSparc-II)
237#define GET_VER(env) ((0x17ULL << 48) | (0x11ULL << 32) | \
238 (0 << 24) | (MAXTL << 8) | (NWINDOWS - 1))
239#else
240#define GET_FSR32(env) (env->fsr)
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241#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
242 env->fsr = (_tmp & 0xcfc1ffff) | (env->fsr & 0x000e0000); \
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243 } while (0)
244#endif
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245
246CPUSPARCState *cpu_sparc_init(void);
247int cpu_sparc_exec(CPUSPARCState *s);
248int cpu_sparc_close(CPUSPARCState *s);
249
b4ff5987 250/* Fake impl 0, version 4 */
af7bf89b 251#define GET_PSR(env) ((0 << 28) | (4 << 24) | (env->psr & PSR_ICC) | \
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252 (env->psref? PSR_EF : 0) | \
253 (env->psrpil << 8) | \
254 (env->psrs? PSR_S : 0) | \
afc7df11 255 (env->psrps? PSR_PS : 0) | \
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256 (env->psret? PSR_ET : 0) | env->cwp)
257
258#ifndef NO_CPU_IO_DEFS
259void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
260#endif
261
262#define PUT_PSR(env, val) do { int _tmp = val; \
af7bf89b 263 env->psr = _tmp & PSR_ICC; \
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264 env->psref = (_tmp & PSR_EF)? 1 : 0; \
265 env->psrpil = (_tmp & PSR_PIL) >> 8; \
266 env->psrs = (_tmp & PSR_S)? 1 : 0; \
267 env->psrps = (_tmp & PSR_PS)? 1 : 0; \
268 env->psret = (_tmp & PSR_ET)? 1 : 0; \
269 cpu_set_cwp(env, _tmp & PSR_CWP & (NWINDOWS - 1)); \
270 } while (0)
271
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272#ifdef TARGET_SPARC64
273#define GET_CCR(env) ((env->xcc << 4) | (env->psr & PSR_ICC))
274#define PUT_CCR(env, val) do { int _tmp = val; \
275 env->xcc = _tmp >> 4; \
276 env->psr = (_tmp & 0xf) << 20; \
277 } while (0)
278#endif
279
5a7b542b 280int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
7a3f1944 281
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282#include "cpu-all.h"
283
284#endif
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