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7a3f1944 FB |
1 | #ifndef CPU_SPARC_H |
2 | #define CPU_SPARC_H | |
3 | ||
af7bf89b FB |
4 | #include "config.h" |
5 | ||
6 | #if !defined(TARGET_SPARC64) | |
3cf1e035 | 7 | #define TARGET_LONG_BITS 32 |
af7bf89b | 8 | #define TARGET_FPREGS 32 |
af7bf89b FB |
9 | #else |
10 | #define TARGET_LONG_BITS 64 | |
11 | #define TARGET_FPREGS 64 | |
af7bf89b | 12 | #endif |
3475187d | 13 | #define TARGET_FPREG_T float |
3cf1e035 | 14 | |
7a3f1944 FB |
15 | #include "cpu-defs.h" |
16 | ||
7a0e1f41 FB |
17 | #include "softfloat.h" |
18 | ||
1fddef4b FB |
19 | #define TARGET_HAS_ICE 1 |
20 | ||
7a3f1944 FB |
21 | /*#define EXCP_INTERRUPT 0x100*/ |
22 | ||
cf495bcf | 23 | /* trap definitions */ |
3475187d | 24 | #ifndef TARGET_SPARC64 |
878d3096 | 25 | #define TT_TFAULT 0x01 |
cf495bcf | 26 | #define TT_ILL_INSN 0x02 |
e8af50a3 | 27 | #define TT_PRIV_INSN 0x03 |
e80cfcfc | 28 | #define TT_NFPU_INSN 0x04 |
cf495bcf FB |
29 | #define TT_WIN_OVF 0x05 |
30 | #define TT_WIN_UNF 0x06 | |
e8af50a3 | 31 | #define TT_FP_EXCP 0x08 |
878d3096 FB |
32 | #define TT_DFAULT 0x09 |
33 | #define TT_EXTINT 0x10 | |
cf495bcf FB |
34 | #define TT_DIV_ZERO 0x2a |
35 | #define TT_TRAP 0x80 | |
3475187d FB |
36 | #else |
37 | #define TT_TFAULT 0x08 | |
38 | #define TT_ILL_INSN 0x10 | |
39 | #define TT_PRIV_INSN 0x11 | |
40 | #define TT_NFPU_INSN 0x20 | |
41 | #define TT_FP_EXCP 0x21 | |
42 | #define TT_CLRWIN 0x24 | |
43 | #define TT_DIV_ZERO 0x28 | |
44 | #define TT_DFAULT 0x30 | |
45 | #define TT_EXTINT 0x40 | |
46 | #define TT_SPILL 0x80 | |
47 | #define TT_FILL 0xc0 | |
48 | #define TT_WOTHER 0x10 | |
49 | #define TT_TRAP 0x100 | |
50 | #endif | |
7a3f1944 FB |
51 | |
52 | #define PSR_NEG (1<<23) | |
53 | #define PSR_ZERO (1<<22) | |
54 | #define PSR_OVF (1<<21) | |
55 | #define PSR_CARRY (1<<20) | |
e8af50a3 | 56 | #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY) |
e80cfcfc FB |
57 | #define PSR_EF (1<<12) |
58 | #define PSR_PIL 0xf00 | |
e8af50a3 FB |
59 | #define PSR_S (1<<7) |
60 | #define PSR_PS (1<<6) | |
61 | #define PSR_ET (1<<5) | |
62 | #define PSR_CWP 0x1f | |
e8af50a3 FB |
63 | |
64 | /* Trap base register */ | |
65 | #define TBR_BASE_MASK 0xfffff000 | |
66 | ||
3475187d FB |
67 | #if defined(TARGET_SPARC64) |
68 | #define PS_PEF (1<<4) | |
69 | #define PS_AM (1<<3) | |
70 | #define PS_PRIV (1<<2) | |
71 | #define PS_IE (1<<1) | |
72 | #endif | |
73 | ||
e8af50a3 FB |
74 | /* Fcc */ |
75 | #define FSR_RD1 (1<<31) | |
76 | #define FSR_RD0 (1<<30) | |
77 | #define FSR_RD_MASK (FSR_RD1 | FSR_RD0) | |
78 | #define FSR_RD_NEAREST 0 | |
79 | #define FSR_RD_ZERO FSR_RD0 | |
80 | #define FSR_RD_POS FSR_RD1 | |
81 | #define FSR_RD_NEG (FSR_RD1 | FSR_RD0) | |
82 | ||
83 | #define FSR_NVM (1<<27) | |
84 | #define FSR_OFM (1<<26) | |
85 | #define FSR_UFM (1<<25) | |
86 | #define FSR_DZM (1<<24) | |
87 | #define FSR_NXM (1<<23) | |
88 | #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM) | |
89 | ||
90 | #define FSR_NVA (1<<9) | |
91 | #define FSR_OFA (1<<8) | |
92 | #define FSR_UFA (1<<7) | |
93 | #define FSR_DZA (1<<6) | |
94 | #define FSR_NXA (1<<5) | |
95 | #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA) | |
96 | ||
97 | #define FSR_NVC (1<<4) | |
98 | #define FSR_OFC (1<<3) | |
99 | #define FSR_UFC (1<<2) | |
100 | #define FSR_DZC (1<<1) | |
101 | #define FSR_NXC (1<<0) | |
102 | #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC) | |
103 | ||
104 | #define FSR_FTT2 (1<<16) | |
105 | #define FSR_FTT1 (1<<15) | |
106 | #define FSR_FTT0 (1<<14) | |
107 | #define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0) | |
e80cfcfc FB |
108 | #define FSR_FTT_IEEE_EXCP (1 << 14) |
109 | #define FSR_FTT_UNIMPFPOP (3 << 14) | |
110 | #define FSR_FTT_INVAL_FPR (6 << 14) | |
e8af50a3 FB |
111 | |
112 | #define FSR_FCC1 (1<<11) | |
113 | #define FSR_FCC0 (1<<10) | |
114 | ||
115 | /* MMU */ | |
116 | #define MMU_E (1<<0) | |
117 | #define MMU_NF (1<<1) | |
118 | ||
119 | #define PTE_ENTRYTYPE_MASK 3 | |
120 | #define PTE_ACCESS_MASK 0x1c | |
121 | #define PTE_ACCESS_SHIFT 2 | |
8d5f07fa | 122 | #define PTE_PPN_SHIFT 7 |
e8af50a3 FB |
123 | #define PTE_ADDR_MASK 0xffffff00 |
124 | ||
125 | #define PG_ACCESSED_BIT 5 | |
126 | #define PG_MODIFIED_BIT 6 | |
127 | #define PG_CACHE_BIT 7 | |
128 | ||
129 | #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) | |
130 | #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT) | |
131 | #define PG_CACHE_MASK (1 << PG_CACHE_BIT) | |
132 | ||
1d6e34fd FB |
133 | /* 2 <= NWINDOWS <= 32. In QEMU it must also be a power of two. */ |
134 | #define NWINDOWS 8 | |
cf495bcf | 135 | |
7a3f1944 | 136 | typedef struct CPUSPARCState { |
af7bf89b FB |
137 | target_ulong gregs[8]; /* general registers */ |
138 | target_ulong *regwptr; /* pointer to current register window */ | |
139 | TARGET_FPREG_T fpr[TARGET_FPREGS]; /* floating point registers */ | |
140 | target_ulong pc; /* program counter */ | |
141 | target_ulong npc; /* next program counter */ | |
142 | target_ulong y; /* multiply/divide register */ | |
cf495bcf | 143 | uint32_t psr; /* processor state register */ |
3475187d | 144 | target_ulong fsr; /* FPU state register */ |
cf495bcf FB |
145 | uint32_t cwp; /* index of current register window (extracted |
146 | from PSR) */ | |
147 | uint32_t wim; /* window invalid mask */ | |
3475187d | 148 | target_ulong tbr; /* trap base register */ |
e8af50a3 FB |
149 | int psrs; /* supervisor mode (extracted from PSR) */ |
150 | int psrps; /* previous supervisor mode */ | |
151 | int psret; /* enable traps */ | |
3475187d | 152 | uint32_t psrpil; /* interrupt level */ |
e80cfcfc | 153 | int psref; /* enable fpu */ |
cf495bcf FB |
154 | jmp_buf jmp_env; |
155 | int user_mode_only; | |
156 | int exception_index; | |
157 | int interrupt_index; | |
158 | int interrupt_request; | |
159 | struct TranslationBlock *current_tb; | |
160 | void *opaque; | |
161 | /* NOTE: we allow 8 more registers to handle wrapping */ | |
af7bf89b | 162 | target_ulong regbase[NWINDOWS * 16 + 8]; |
d720b93d FB |
163 | |
164 | /* in order to avoid passing too many arguments to the memory | |
165 | write helpers, we store some rarely used information in the CPU | |
166 | context) */ | |
167 | unsigned long mem_write_pc; /* host pc at which the memory was | |
168 | written */ | |
169 | unsigned long mem_write_vaddr; /* target virtual addr at which the | |
170 | memory was written */ | |
e8af50a3 FB |
171 | /* 0 = kernel, 1 = user (may have 2 = kernel code, 3 = user code ?) */ |
172 | CPUTLBEntry tlb_read[2][CPU_TLB_SIZE]; | |
173 | CPUTLBEntry tlb_write[2][CPU_TLB_SIZE]; | |
e8af50a3 | 174 | /* MMU regs */ |
3475187d FB |
175 | #if defined(TARGET_SPARC64) |
176 | uint64_t lsu; | |
177 | #define DMMU_E 0x8 | |
178 | #define IMMU_E 0x4 | |
179 | uint64_t immuregs[16]; | |
180 | uint64_t dmmuregs[16]; | |
181 | uint64_t itlb_tag[64]; | |
182 | uint64_t itlb_tte[64]; | |
183 | uint64_t dtlb_tag[64]; | |
184 | uint64_t dtlb_tte[64]; | |
185 | #else | |
e8af50a3 | 186 | uint32_t mmuregs[16]; |
3475187d | 187 | #endif |
e8af50a3 | 188 | /* temporary float registers */ |
3475187d FB |
189 | float ft0, ft1; |
190 | double dt0, dt1; | |
7a0e1f41 | 191 | float_status fp_status; |
af7bf89b | 192 | #if defined(TARGET_SPARC64) |
3475187d FB |
193 | #define MAXTL 4 |
194 | uint64_t t0, t1, t2; | |
195 | uint64_t tpc[MAXTL]; | |
196 | uint64_t tnpc[MAXTL]; | |
197 | uint64_t tstate[MAXTL]; | |
198 | uint32_t tt[MAXTL]; | |
199 | uint32_t xcc; /* Extended integer condition codes */ | |
200 | uint32_t asi; | |
201 | uint32_t pstate; | |
202 | uint32_t tl; | |
203 | uint32_t cansave, canrestore, otherwin, wstate, cleanwin; | |
204 | target_ulong agregs[8]; /* alternate general registers */ | |
205 | target_ulong igregs[8]; /* interrupt general registers */ | |
206 | target_ulong mgregs[8]; /* mmu general registers */ | |
207 | uint64_t version; | |
208 | uint64_t fprs; | |
209 | #endif | |
210 | #if !defined(TARGET_SPARC64) && !defined(reg_T2) | |
211 | target_ulong t2; | |
af7bf89b | 212 | #endif |
e8af50a3 FB |
213 | |
214 | /* ice debug support */ | |
af7bf89b | 215 | target_ulong breakpoints[MAX_BREAKPOINTS]; |
e8af50a3 FB |
216 | int nb_breakpoints; |
217 | int singlestep_enabled; /* XXX: should use CPU single step mode instead */ | |
218 | ||
7a3f1944 | 219 | } CPUSPARCState; |
3475187d FB |
220 | #if defined(TARGET_SPARC64) |
221 | #define GET_FSR32(env) (env->fsr & 0xcfc1ffff) | |
222 | #define PUT_FSR32(env, val) do { uint32_t _tmp = val; \ | |
223 | env->fsr = (_tmp & 0xcfc1c3ff) | (env->fsr & 0x3f00000000ULL); \ | |
224 | } while (0) | |
225 | #define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL) | |
226 | #define PUT_FSR64(env, val) do { uint64_t _tmp = val; \ | |
227 | env->fsr = _tmp & 0x3fcfc1c3ffULL; \ | |
228 | } while (0) | |
229 | // Manuf 0x17, version 0x11, mask 0 (UltraSparc-II) | |
230 | #define GET_VER(env) ((0x17ULL << 48) | (0x11ULL << 32) | \ | |
231 | (0 << 24) | (MAXTL << 8) | (NWINDOWS - 1)) | |
232 | #else | |
233 | #define GET_FSR32(env) (env->fsr) | |
234 | #define PUT_FSR32(env, val) do { uint32_t _tmp = val; \ | |
235 | env->fsr = _tmp & 0xcfc1ffff; \ | |
236 | } while (0) | |
237 | #endif | |
7a3f1944 FB |
238 | |
239 | CPUSPARCState *cpu_sparc_init(void); | |
240 | int cpu_sparc_exec(CPUSPARCState *s); | |
241 | int cpu_sparc_close(CPUSPARCState *s); | |
e80cfcfc FB |
242 | void cpu_get_fp64(uint64_t *pmant, uint16_t *pexp, double f); |
243 | double cpu_put_fp64(uint64_t mant, uint16_t exp); | |
7a3f1944 | 244 | |
b4ff5987 | 245 | /* Fake impl 0, version 4 */ |
af7bf89b | 246 | #define GET_PSR(env) ((0 << 28) | (4 << 24) | (env->psr & PSR_ICC) | \ |
b4ff5987 FB |
247 | (env->psref? PSR_EF : 0) | \ |
248 | (env->psrpil << 8) | \ | |
249 | (env->psrs? PSR_S : 0) | \ | |
afc7df11 | 250 | (env->psrps? PSR_PS : 0) | \ |
b4ff5987 FB |
251 | (env->psret? PSR_ET : 0) | env->cwp) |
252 | ||
253 | #ifndef NO_CPU_IO_DEFS | |
254 | void cpu_set_cwp(CPUSPARCState *env1, int new_cwp); | |
255 | #endif | |
256 | ||
257 | #define PUT_PSR(env, val) do { int _tmp = val; \ | |
af7bf89b | 258 | env->psr = _tmp & PSR_ICC; \ |
b4ff5987 FB |
259 | env->psref = (_tmp & PSR_EF)? 1 : 0; \ |
260 | env->psrpil = (_tmp & PSR_PIL) >> 8; \ | |
261 | env->psrs = (_tmp & PSR_S)? 1 : 0; \ | |
262 | env->psrps = (_tmp & PSR_PS)? 1 : 0; \ | |
263 | env->psret = (_tmp & PSR_ET)? 1 : 0; \ | |
264 | cpu_set_cwp(env, _tmp & PSR_CWP & (NWINDOWS - 1)); \ | |
265 | } while (0) | |
266 | ||
3475187d FB |
267 | #ifdef TARGET_SPARC64 |
268 | #define GET_CCR(env) ((env->xcc << 4) | (env->psr & PSR_ICC)) | |
269 | #define PUT_CCR(env, val) do { int _tmp = val; \ | |
270 | env->xcc = _tmp >> 4; \ | |
271 | env->psr = (_tmp & 0xf) << 20; \ | |
272 | } while (0) | |
273 | #endif | |
274 | ||
7a3f1944 FB |
275 | struct siginfo; |
276 | int cpu_sparc_signal_handler(int hostsignum, struct siginfo *info, void *puc); | |
7a3f1944 | 277 | |
e8af50a3 | 278 | #define TARGET_PAGE_BITS 12 /* 4k */ |
7a3f1944 FB |
279 | #include "cpu-all.h" |
280 | ||
281 | #endif |