/[gxemul]/trunk/src/include/cpu_mips.h
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Contents of /trunk/src/include/cpu_mips.h

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Revision 14 - (show annotations)
Mon Oct 8 16:18:51 2007 UTC (16 years, 5 months ago) by dpavlin
File MIME type: text/plain
File size: 14085 byte(s)
++ trunk/HISTORY	(local)
$Id: HISTORY,v 1.982 2005/10/07 22:45:32 debug Exp $
20050816	Some success in decoding the way the SGI O2 PROM draws graphics
		during bootup; lines/rectangles and bitmaps work, enough to
		show the bootlogo etc. :-)
		Adding more PPC instructions, and (dummy) BAT registers.
20050817	Updating the pckbc to support scancode type 3 keyboards
		(required in order to interact with the SGI O2 PROM).
		Adding more PPC instructions.
20050818	Adding more ARM instructions; general register forms.
		Importing armreg.h from NetBSD (ARM cpu ids). Adding a (dummy)
		CATS machine mode (using SA110 as the default CPU).
		Continuing on general dyntrans related stuff.
20050819	Register forms for ARM load/stores. Gaah! The Compaq C Compiler
		bug is triggered for ARM loads as well, not just PPC :-(
		Adding full support for ARM PC-relative load/stores, and load/
		stores where the PC register is the destination register.
		Adding support for ARM a.out binaries.
20050820	Continuing to add more ARM instructions, and correcting some
		bugs. Continuing on CATS emulation.
		More work on the PPC stuff.
20050821	Minor PPC and ARM updates. Adding more machine types.
20050822	All ARM "data processing instructions" are now generated
		automatically.
20050824	Beginning the work on the ARM system control coprocessor.
		Adding support for ARM halfword load/stores, and signed loads.
20050825	Fixing an important bug related to the ARM condition codes.
		OpenBSD/zaurus and NetBSD/netwinder now print some boot
		messages. :)
		Adding a dummy SH (Hitachi SuperH) cpu family.
		Beginning to add some ARM virtual address translation.
		MIPS bugfixes: unaligned PC now cause an ADEL exception (at
		least for non-bintrans execution), and ADEL/ADES (not
		TLBL/TLBS) are used if userland tries to access kernel space.
		(Thanks to Joshua Wise for making me aware of these bugs.)
20050827	More work on the ARM emulation, and various other updates.
20050828	More ARM updates.
		Finally taking the time to work on translation invalidation
		(i.e. invalidating translated code mappings when memory is
		written to). Hopefully this doesn't break anything.
20050829	Moving CPU related files from src/ to a new subdir, src/cpus/.
		Moving PROM emulation stuff from src/ to src/promemul/.
		Better debug instruction trace for ARM loads and stores.
20050830	Various ARM updates (correcting CMP flag calculation, etc).
20050831	PPC instruction updates. (Flag fixes, etc.)
20050901	Various minor PPC and ARM instruction emulation updates.
		Minor OpenFirmware emulation updates.
20050903	Adding support for adding arbitrary ARM coprocessors (with
		the i80321 I/O coprocessor as a first test).
		Various other ARM and PPC updates.
20050904	Adding some SHcompact disassembly routines.
20050907	(Re)adding a dummy HPPA CPU module, and a dummy i960 module.
20050908	Began hacking on some Apple Partition Table support.
20050909	Adding support for loading Mach-O (Darwin PPC) binaries.
20050910	Fixing an ARM bug (Carry flag was incorrectly updated for some
		data processing instructions); OpenBSD/cats and NetBSD/
		netwinder get quite a bit further now.
		Applying a patch to dev_wdc, and a one-liner to dev_pcic, to
		make them work better when emulating new versions of OpenBSD.
		(Thanks to Alexander Yurchenko for the patches.)
		Also doing some other minor updates to dev_wdc. (Some cleanup,
		and finally converting to devinit, etc.)
20050912	IRIX doesn't have u_int64_t by default (noticed by Andreas
		<avr@gnulinux.nl>); configure updated to reflect this.
		Working on ARM register bank switching, CPSR vs SPSR issues,
		and beginning the work on interrupt/exception support.
20050913	Various minor ARM updates (speeding up load/store multiple,
		and fixing a ROR bug in R(); NetBSD/cats now boots as far as
		OpenBSD/cats).
20050917	Adding a dummy Atmel AVR (8-bit) cpu family skeleton.
20050918	Various minor updates.
20050919	Symbols are now loaded from Mach-O executables.
		Continuing the work on adding ARM exception support.
20050920	More work on ARM stuff: OpenBSD/cats and NetBSD/cats reach
		userland! :-)
20050921	Some more progress on ARM interrupt specifics.
20050923	Fixing linesize for VR4121 (patch by Yurchenko). Also fixing
		linesizes/cachesizes for some other VR4xxx.
		Adding a dummy Acer Labs M1543 PCI-ISA bridge (for CATS) and a
		dummy Symphony Labs 83C553 bridge (for Netwinder), usable by 
		dev_footbridge.
20050924	Some PPC progress.
20050925	More PPC progress.
20050926	PPC progress (fixing some bugs etc); Darwin's kernel gets
		slightly further than before.
20050928	Various updates: footbridge/ISA/pciide stuff, and finally
		fixing the VGA text scroll-by-changing-the-base-offset bug.
20050930	Adding a dummy S3 ViRGE pci card for CATS emulation, which
		both NetBSD and OpenBSD detects as VGA.
		Continuing on Footbridge (timers, ISA interrupt stuff).
20051001	Continuing... there are still bugs, probably interrupt-
		related.
20051002	More work on the Footbridge (interrupt stuff).
20051003	Various minor updates. (Trying to find the bug(s).)
20051004	Continuing on the ARM stuff.
20051005	More ARM-related fixes.
20051007	FINALLY! Found and fixed 2 ARM bugs: 1 memory related, and the
		other was because of an error in the ARM manual (load multiple
		with the S-bit set should _NOT_ load usermode registers, as the
		manual says, but it should load saved registers, which may or
		may not happen to be usermode registers).
		NetBSD/cats and OpenBSD/cats seem to install fine now :-)
		except for a minor bug at the end of the OpenBSD/cats install.
		Updating the documentation, preparing for the next release.
20051008	Continuing with release testing and cleanup.

1 #ifndef CPU_MIPS_H
2 #define CPU_MIPS_H
3
4 /*
5 * Copyright (C) 2003-2005 Anders Gavare. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 *
31 * $Id: cpu_mips.h,v 1.21 2005/08/28 20:16:24 debug Exp $
32 */
33
34 #include "misc.h"
35
36 /*
37 * ENABLE_MIPS16 should be defined on the cc commandline using -D, if you
38 * want it. (This is done by ./configure --mips16)
39 */
40 /* #define MFHILO_DELAY */
41
42 struct cpu_family;
43 struct emul;
44 struct machine;
45
46 /*
47 * CPU type definitions: See mips_cpu_types.h.
48 */
49
50 struct mips_cpu_type_def {
51 char *name;
52 int rev;
53 int sub;
54 char flags;
55 char exc_model; /* EXC3K or EXC4K */
56 char mmu_model; /* MMU3K or MMU4K */
57 char isa_level; /* 1, 2, 3, 4, 5, 32, 64 */
58 int nr_of_tlb_entries; /* 32, 48, 64, ... */
59 char instrs_per_cycle; /* simplified, 1, 2, or 4 */
60 int picache;
61 int pilinesize;
62 int piways;
63 int pdcache;
64 int pdlinesize;
65 int pdways;
66 int scache;
67 int slinesize;
68 int sways;
69 };
70
71 #define INITIAL_PC 0xffffffffbfc00000ULL
72 #define INITIAL_STACK_POINTER (0xffffffffa0008000ULL - 256)
73
74
75 /*
76 * Coproc 0:
77 */
78 #define N_MIPS_COPROC_REGS 32
79 struct mips_tlb {
80 uint64_t hi;
81 uint64_t lo0;
82 uint64_t lo1;
83 uint64_t mask;
84 };
85
86
87 /*
88 * Coproc 1:
89 */
90 #define N_MIPS_FCRS 32
91
92 struct mips_coproc {
93 int coproc_nr;
94 uint64_t reg[N_MIPS_COPROC_REGS];
95
96 /* Only for COP0: */
97 struct mips_tlb *tlbs;
98 int nr_of_tlbs;
99
100 /* Only for COP1: floating point control registers */
101 /* (Maybe also for COP0?) */
102 uint64_t fcr[N_MIPS_FCRS];
103 };
104
105 #define N_MIPS_COPROCS 4
106
107 #define N_MIPS_GPRS 32 /* General purpose registers */
108 #define N_MIPS_FPRS 32 /* Floating point registers */
109
110 /*
111 * These should all be 2 characters wide:
112 *
113 * NOTE: These are for 32-bit ABIs. For the 64-bit ABI, registers 8..11
114 * are used to pass arguments and are then called "a4".."a7".
115 *
116 * TODO: Should there be two different variants of this? It's not really
117 * possible to figure out in some easy way if the code running was
118 * written for a 32-bit or 64-bit ABI.
119 */
120 #define MIPS_REGISTER_NAMES { \
121 "zr", "at", "v0", "v1", "a0", "a1", "a2", "a3", \
122 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", \
123 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \
124 "t8", "t9", "k0", "k1", "gp", "sp", "fp", "ra" }
125
126 #define MIPS_GPR_ZERO 0 /* zero */
127 #define MIPS_GPR_AT 1 /* at */
128 #define MIPS_GPR_V0 2 /* v0 */
129 #define MIPS_GPR_V1 3 /* v1 */
130 #define MIPS_GPR_A0 4 /* a0 */
131 #define MIPS_GPR_A1 5 /* a1 */
132 #define MIPS_GPR_A2 6 /* a2 */
133 #define MIPS_GPR_A3 7 /* a3 */
134 #define MIPS_GPR_T0 8 /* t0 */
135 #define MIPS_GPR_T1 9 /* t1 */
136 #define MIPS_GPR_T2 10 /* t2 */
137 #define MIPS_GPR_T3 11 /* t3 */
138 #define MIPS_GPR_T4 12 /* t4 */
139 #define MIPS_GPR_T5 13 /* t5 */
140 #define MIPS_GPR_T6 14 /* t6 */
141 #define MIPS_GPR_T7 15 /* t7 */
142 #define MIPS_GPR_S0 16 /* s0 */
143 #define MIPS_GPR_S1 17 /* s1 */
144 #define MIPS_GPR_S2 18 /* s2 */
145 #define MIPS_GPR_S3 19 /* s3 */
146 #define MIPS_GPR_S4 20 /* s4 */
147 #define MIPS_GPR_S5 21 /* s5 */
148 #define MIPS_GPR_S6 22 /* s6 */
149 #define MIPS_GPR_S7 23 /* s7 */
150 #define MIPS_GPR_T8 24 /* t8 */
151 #define MIPS_GPR_T9 25 /* t9 */
152 #define MIPS_GPR_K0 26 /* k0 */
153 #define MIPS_GPR_K1 27 /* k1 */
154 #define MIPS_GPR_GP 28 /* gp */
155 #define MIPS_GPR_SP 29 /* sp */
156 #define MIPS_GPR_FP 30 /* fp */
157 #define MIPS_GPR_RA 31 /* ra */
158
159 /* Meaning of delay_slot: */
160 #define NOT_DELAYED 0
161 #define DELAYED 1
162 #define TO_BE_DELAYED 2
163
164 #define N_HI6 64
165 #define N_SPECIAL 64
166 #define N_REGIMM 32
167
168 /* Number of "tiny" translation cache entries: */
169 #define N_TRANSLATION_CACHE_INSTR 5
170 #define N_TRANSLATION_CACHE_DATA 5
171
172 struct translation_cache_entry {
173 int wf;
174 uint64_t vaddr_pfn;
175 uint64_t paddr;
176 };
177
178 /* This should be a value which the program counter
179 can "never" have: */
180 #define PC_LAST_PAGE_IMPOSSIBLE_VALUE 3
181
182 /* An "impossible" paddr: */
183 #define IMPOSSIBLE_PADDR 0x1212343456566767ULL
184
185 #define DEFAULT_PCACHE_SIZE 15 /* 32 KB */
186 #define DEFAULT_PCACHE_LINESIZE 5 /* 32 bytes */
187
188 struct r3000_cache_line {
189 uint32_t tag_paddr;
190 int tag_valid;
191 };
192 #define R3000_TAG_VALID 1
193 #define R3000_TAG_DIRTY 2
194
195 struct r4000_cache_line {
196 char dummy;
197 };
198
199 #define BINTRANS_DONT_RUN_NEXT 0x1000000
200 #define BINTRANS_N_MASK 0x0ffffff
201
202 #define N_SAFE_BINTRANS_LIMIT_SHIFT 14
203 #define N_SAFE_BINTRANS_LIMIT ((1 << (N_SAFE_BINTRANS_LIMIT_SHIFT - 1)) - 1)
204
205 #define N_BINTRANS_VADDR_TO_HOST 20
206
207 /* Virtual to host address translation tables: */
208 struct vth32_table {
209 void *haddr_entry[1024 * 2];
210 uint32_t paddr_entry[1024];
211 uint32_t *bintrans_chunks[1024];
212 struct vth32_table *next_free;
213 int refcount;
214 };
215
216 struct mips_cpu {
217 struct mips_cpu_type_def cpu_type;
218
219 struct mips_coproc *coproc[N_MIPS_COPROCS];
220
221 int compare_register_set;
222
223 /* Special purpose registers: */
224 uint64_t pc_last; /* PC of last instruction */
225 uint64_t hi;
226 uint64_t lo;
227
228 /* General purpose registers: */
229 uint64_t gpr[N_MIPS_GPRS];
230
231 /*
232 * The translation_cached stuff is used to speed up the
233 * most recent lookups into the TLB. Whenever the TLB is
234 * written to, translation_cached[] must be filled with zeros.
235 */
236 #ifdef USE_TINY_CACHE
237 struct translation_cache_entry
238 translation_cache_instr[N_TRANSLATION_CACHE_INSTR];
239 struct translation_cache_entry
240 translation_cache_data[N_TRANSLATION_CACHE_DATA];
241 #endif
242
243 /*
244 * For faster memory lookup when running instructions:
245 *
246 * Reading memory to load instructions is a very common thing in the
247 * emulator, and an instruction is very often read from the address
248 * following the previously executed instruction. That means that we
249 * don't have to go through the TLB each time.
250 *
251 * We then get the vaddr -> paddr translation for free. There is an
252 * even better case when the paddr is a RAM address (as opposed to an
253 * address in a memory mapped device). Then we can figure out the
254 * address in the host's memory directly, and skip the paddr -> host
255 * address calculation as well.
256 *
257 * A modification to the TLB should set the virtual_page variable to
258 * an "impossible" value, so that there won't be a hit on the next
259 * instruction.
260 */
261 uint64_t pc_last_virtual_page;
262 uint64_t pc_last_physical_page;
263 unsigned char *pc_last_host_4k_page;
264
265 /* MIPS Bintrans: */
266 int dont_run_next_bintrans;
267 int bintrans_instructions_executed; /* set to the
268 number of bintranslated instructions executed
269 when running a bintrans codechunk */
270 int pc_bintrans_paddr_valid;
271 uint64_t pc_bintrans_paddr;
272 unsigned char *pc_bintrans_host_4kpage;
273
274 /* Chunk base address: */
275 unsigned char *chunk_base_address;
276
277 /* This should work for 32-bit MIPS emulation: */
278 struct vth32_table *vaddr_to_hostaddr_nulltable;
279 struct vth32_table *vaddr_to_hostaddr_r2k3k_icachetable;
280 struct vth32_table *vaddr_to_hostaddr_r2k3k_dcachetable;
281 struct vth32_table **vaddr_to_hostaddr_table0_kernel;
282 struct vth32_table **vaddr_to_hostaddr_table0_cacheisol_i;
283 struct vth32_table **vaddr_to_hostaddr_table0_cacheisol_d;
284 struct vth32_table **vaddr_to_hostaddr_table0_user;
285 struct vth32_table **vaddr_to_hostaddr_table0; /* should point to kernel or user */
286 struct vth32_table *next_free_vth_table;
287
288 /* Testing... */
289 unsigned char **host_load;
290 unsigned char **host_store;
291 unsigned char **host_load_orig;
292 unsigned char **host_store_orig;
293 unsigned char **huge_r2k3k_cache_table;
294
295 /* For 64-bit (generic) emulation: */
296 unsigned char *(*fast_vaddr_to_hostaddr)(struct cpu *cpu,
297 uint64_t vaddr, int writeflag);
298 int bintrans_next_index;
299 int bintrans_data_writable[N_BINTRANS_VADDR_TO_HOST];
300 uint64_t bintrans_data_vaddr[N_BINTRANS_VADDR_TO_HOST];
301 unsigned char *bintrans_data_hostpage[N_BINTRANS_VADDR_TO_HOST];
302
303 void (*bintrans_load_32bit)(struct cpu *); /* Note: incorrect args */
304 void (*bintrans_store_32bit)(struct cpu *); /* Note: incorrect args */
305 void (*bintrans_jump_to_32bit_pc)(struct cpu *);
306 void (*bintrans_simple_exception)(struct cpu *, int);
307 void (*bintrans_fast_rfe)(struct cpu *);
308 void (*bintrans_fast_eret)(struct cpu *);
309 void (*bintrans_fast_tlbwri)(struct cpu *, int);
310 void (*bintrans_fast_tlbpr)(struct cpu *, int);
311
312 #ifdef ENABLE_MIPS16
313 int mips16; /* non-zero if MIPS16 code is allowed */
314 uint16_t mips16_extend; /* set on 'extend' instructions to the entire 16-bit extend instruction */
315 #endif
316
317 #ifdef ENABLE_INSTRUCTION_DELAYS
318 int instruction_delay;
319 #endif
320
321 uint64_t delay_jmpaddr; /* only used if delay_slot > 0 */
322 int delay_slot;
323 int nullify_next; /* set to 1 if next instruction
324 is to be nullified */
325
326 /* This is set to non-zero, if it is possible at all that an
327 interrupt will occur. */
328 int cached_interrupt_is_possible;
329
330 int show_trace_delay; /* 0=normal, > 0 = delay until show_trace */
331 uint64_t show_trace_addr;
332
333 int last_was_jumptoself;
334 int jump_to_self_reg;
335
336 #ifdef MFHILO_DELAY
337 int mfhi_delay; /* instructions since last mfhi */
338 int mflo_delay; /* instructions since last mflo */
339 #endif
340
341 int rmw; /* Read-Modify-Write */
342 int rmw_len; /* Length of rmw modification */
343 uint64_t rmw_addr; /* Address of rmw modification */
344
345 /*
346 * TODO: The R5900 has 128-bit registers. I'm not really sure
347 * whether they are used a lot or not, at least with code produced
348 * with gcc they are not. An important case however is lq and sq
349 * (load and store of 128-bit values). These "upper halves" of R5900
350 * quadwords can be used in those cases.
351 *
352 * TODO: Generalize this.
353 */
354 uint64_t gpr_quadhi[N_MIPS_GPRS];
355
356
357 /*
358 * Statistics:
359 */
360 long stats_opcode[N_HI6];
361 long stats__special[N_SPECIAL];
362 long stats__regimm[N_REGIMM];
363 long stats__special2[N_SPECIAL];
364
365 /* Data and Instruction caches: */
366 unsigned char *cache[2];
367 void *cache_tags[2];
368 uint64_t cache_last_paddr[2];
369 int cache_size[2];
370 int cache_linesize[2];
371 int cache_mask[2];
372 int cache_miss_penalty[2];
373
374 /* Other stuff: */
375 uint64_t cop0_config_select1;
376 };
377
378
379 /* cpu_mips.c: */
380 void mips_cpu_show_full_statistics(struct machine *m);
381 void mips_cpu_tlbdump(struct machine *m, int x, int rawflag);
382 void mips_cpu_register_match(struct machine *m, char *name,
383 int writeflag, uint64_t *valuep, int *match_register);
384 void mips_cpu_register_dump(struct cpu *cpu, int gprs, int coprocs);
385 int mips_cpu_disassemble_instr(struct cpu *cpu, unsigned char *instr,
386 int running, uint64_t addr, int bintrans);
387 int mips_cpu_interrupt(struct cpu *cpu, uint64_t irq_nr);
388 int mips_cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr);
389 void mips_cpu_exception(struct cpu *cpu, int exccode, int tlb, uint64_t vaddr,
390 /* uint64_t pagemask, */ int coproc_nr, uint64_t vaddr_vpn2,
391 int vaddr_asid, int x_64);
392 void mips_cpu_cause_simple_exception(struct cpu *cpu, int exc_code);
393 int mips_cpu_run(struct emul *emul, struct machine *machine);
394 void mips_cpu_dumpinfo(struct cpu *cpu);
395 void mips_cpu_list_available_types(void);
396 int mips_cpu_family_init(struct cpu_family *);
397
398
399 /* cpu_mips_coproc.c: */
400 struct mips_coproc *mips_coproc_new(struct cpu *cpu, int coproc_nr);
401 void mips_coproc_tlb_set_entry(struct cpu *cpu, int entrynr, int size,
402 uint64_t vaddr, uint64_t paddr0, uint64_t paddr1,
403 int valid0, int valid1, int dirty0, int dirty1, int global, int asid,
404 int cachealgo0, int cachealgo1);
405 void mips_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
406 unsigned char *host_page, int writeflag, uint64_t paddr_page);
407 void clear_all_chunks_from_all_tables(struct cpu *cpu);
408 void mips_invalidate_translation_caches_paddr(struct cpu *cpu, uint64_t, int);
409 void coproc_register_read(struct cpu *cpu,
410 struct mips_coproc *cp, int reg_nr, uint64_t *ptr, int select);
411 void coproc_register_write(struct cpu *cpu,
412 struct mips_coproc *cp, int reg_nr, uint64_t *ptr, int flag64,
413 int select);
414 void coproc_tlbpr(struct cpu *cpu, int readflag);
415 void coproc_tlbwri(struct cpu *cpu, int randomflag);
416 void coproc_rfe(struct cpu *cpu);
417 void coproc_eret(struct cpu *cpu);
418 void coproc_function(struct cpu *cpu, struct mips_coproc *cp, int cpnr,
419 uint32_t function, int unassemble_only, int running);
420
421
422 /* memory_mips.c: */
423 int memory_cache_R3000(struct cpu *cpu, int cache, uint64_t paddr,
424 int writeflag, size_t len, unsigned char *data);
425 int mips_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr,
426 unsigned char *data, size_t len, int writeflag, int cache_flags);
427
428
429 /* mips16.c: */
430 int mips16_to_32(struct cpu *cpu, unsigned char *instr16, unsigned char *instr);
431
432
433 #endif /* CPU_MIPS_H */

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