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c906108c | 1 | /* Target-dependent code for Hitachi H8/500, for GDB. |
b6ba6518 KB |
2 | Copyright 1993, 1994, 1995, 1998, 2000, 2001 |
3 | Free Software Foundation, Inc. | |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | /* | |
c5aa993b JM |
23 | Contributed by Steve Chamberlain |
24 | sac@cygnus.com | |
c906108c SS |
25 | */ |
26 | ||
27 | #include "defs.h" | |
28 | #include "frame.h" | |
29 | #include "obstack.h" | |
30 | #include "symtab.h" | |
31 | #include "gdbtypes.h" | |
32 | #include "gdbcmd.h" | |
33 | #include "value.h" | |
34 | #include "dis-asm.h" | |
35 | #include "gdbcore.h" | |
4e052eda | 36 | #include "regcache.h" |
c906108c SS |
37 | |
38 | #define UNSIGNED_SHORT(X) ((X) & 0xffff) | |
39 | ||
40 | static int code_size = 2; | |
41 | ||
42 | static int data_size = 2; | |
43 | ||
44 | /* Shape of an H8/500 frame : | |
45 | ||
46 | arg-n | |
47 | .. | |
48 | arg-2 | |
49 | arg-1 | |
50 | return address <2 or 4 bytes> | |
c5aa993b | 51 | old fp <2 bytes> |
c906108c SS |
52 | auto-n |
53 | .. | |
54 | auto-1 | |
55 | saved registers | |
56 | ||
c5aa993b | 57 | */ |
c906108c SS |
58 | |
59 | /* an easy to debug H8 stack frame looks like: | |
c5aa993b JM |
60 | 0x6df6 push r6 |
61 | 0x0d76 mov.w r7,r6 | |
62 | 0x6dfn push reg | |
63 | 0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp | |
64 | 0x1957 sub.w r5,sp | |
c906108c SS |
65 | |
66 | */ | |
67 | ||
68 | #define IS_PUSH(x) (((x) & 0xff00)==0x6d00) | |
69 | #define IS_LINK_8(x) ((x) == 0x17) | |
70 | #define IS_LINK_16(x) ((x) == 0x1f) | |
71 | #define IS_MOVE_FP(x) ((x) == 0x0d76) | |
72 | #define IS_MOV_SP_FP(x) ((x) == 0x0d76) | |
73 | #define IS_SUB2_SP(x) ((x) == 0x1b87) | |
74 | #define IS_MOVK_R5(x) ((x) == 0x7905) | |
75 | #define IS_SUB_R5SP(x) ((x) == 0x1957) | |
76 | ||
77 | #define LINK_8 0x17 | |
78 | #define LINK_16 0x1f | |
79 | ||
80 | int minimum_mode = 1; | |
81 | ||
82 | CORE_ADDR | |
fba45db2 | 83 | h8500_skip_prologue (CORE_ADDR start_pc) |
c906108c SS |
84 | { |
85 | short int w; | |
86 | ||
87 | w = read_memory_integer (start_pc, 1); | |
88 | if (w == LINK_8) | |
89 | { | |
90 | start_pc += 2; | |
91 | w = read_memory_integer (start_pc, 1); | |
92 | } | |
93 | ||
94 | if (w == LINK_16) | |
95 | { | |
96 | start_pc += 3; | |
97 | w = read_memory_integer (start_pc, 2); | |
98 | } | |
99 | ||
100 | return start_pc; | |
101 | } | |
102 | ||
103 | CORE_ADDR | |
fba45db2 | 104 | h8500_addr_bits_remove (CORE_ADDR addr) |
c906108c SS |
105 | { |
106 | return ((addr) & 0xffffff); | |
107 | } | |
108 | ||
109 | /* Given a GDB frame, determine the address of the calling function's frame. | |
110 | This will be used to create a new GDB frame struct, and then | |
111 | INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame. | |
112 | ||
113 | For us, the frame address is its stack pointer value, so we look up | |
114 | the function prologue to determine the caller's sp value, and return it. */ | |
115 | ||
116 | CORE_ADDR | |
fba45db2 | 117 | h8500_frame_chain (struct frame_info *thisframe) |
c906108c SS |
118 | { |
119 | if (!inside_entry_file (thisframe->pc)) | |
120 | return (read_memory_integer (FRAME_FP (thisframe), PTR_SIZE)); | |
121 | else | |
122 | return 0; | |
123 | } | |
124 | ||
125 | /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or | |
126 | is not the address of a valid instruction, the address of the next | |
127 | instruction beyond ADDR otherwise. *PWORD1 receives the first word | |
c5aa993b | 128 | of the instruction. */ |
c906108c SS |
129 | |
130 | CORE_ADDR | |
fba45db2 | 131 | NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, char *pword1) |
c906108c SS |
132 | { |
133 | if (addr < lim + 8) | |
134 | { | |
135 | read_memory (addr, pword1, 1); | |
136 | read_memory (addr, pword1 + 1, 1); | |
137 | return 1; | |
138 | } | |
139 | return 0; | |
140 | } | |
141 | ||
142 | /* Examine the prologue of a function. `ip' points to the first | |
143 | instruction. `limit' is the limit of the prologue (e.g. the addr | |
144 | of the first linenumber, or perhaps the program counter if we're | |
145 | stepping through). `frame_sp' is the stack pointer value in use in | |
146 | this frame. `fsr' is a pointer to a frame_saved_regs structure | |
147 | into which we put info about the registers saved by this frame. | |
148 | `fi' is a struct frame_info pointer; we fill in various fields in | |
149 | it to reflect the offsets of the arg pointer and the locals | |
150 | pointer. */ | |
151 | ||
152 | /* Return the saved PC from this frame. */ | |
153 | ||
154 | CORE_ADDR | |
fba45db2 | 155 | frame_saved_pc (struct frame_info *frame) |
c906108c SS |
156 | { |
157 | return read_memory_integer (FRAME_FP (frame) + 2, PTR_SIZE); | |
158 | } | |
159 | ||
c5aa993b | 160 | void |
fba45db2 | 161 | h8500_pop_frame (void) |
c906108c SS |
162 | { |
163 | unsigned regnum; | |
164 | struct frame_saved_regs fsr; | |
165 | struct frame_info *frame = get_current_frame (); | |
166 | ||
167 | get_frame_saved_regs (frame, &fsr); | |
168 | ||
169 | for (regnum = 0; regnum < 8; regnum++) | |
170 | { | |
171 | if (fsr.regs[regnum]) | |
172 | write_register (regnum, read_memory_short (fsr.regs[regnum])); | |
173 | ||
174 | flush_cached_frames (); | |
175 | } | |
176 | } | |
177 | ||
178 | void | |
fba45db2 | 179 | print_register_hook (int regno) |
c906108c SS |
180 | { |
181 | if (regno == CCR_REGNUM) | |
182 | { | |
183 | /* CCR register */ | |
184 | ||
185 | int C, Z, N, V; | |
186 | unsigned char b[2]; | |
187 | unsigned char l; | |
188 | ||
189 | read_relative_register_raw_bytes (regno, b); | |
190 | l = b[1]; | |
191 | printf_unfiltered ("\t"); | |
192 | printf_unfiltered ("I-%d - ", (l & 0x80) != 0); | |
193 | N = (l & 0x8) != 0; | |
194 | Z = (l & 0x4) != 0; | |
195 | V = (l & 0x2) != 0; | |
196 | C = (l & 0x1) != 0; | |
197 | printf_unfiltered ("N-%d ", N); | |
198 | printf_unfiltered ("Z-%d ", Z); | |
199 | printf_unfiltered ("V-%d ", V); | |
200 | printf_unfiltered ("C-%d ", C); | |
201 | if ((C | Z) == 0) | |
202 | printf_unfiltered ("u> "); | |
203 | if ((C | Z) == 1) | |
204 | printf_unfiltered ("u<= "); | |
205 | if ((C == 0)) | |
206 | printf_unfiltered ("u>= "); | |
207 | if (C == 1) | |
208 | printf_unfiltered ("u< "); | |
209 | if (Z == 0) | |
210 | printf_unfiltered ("!= "); | |
211 | if (Z == 1) | |
212 | printf_unfiltered ("== "); | |
213 | if ((N ^ V) == 0) | |
214 | printf_unfiltered (">= "); | |
215 | if ((N ^ V) == 1) | |
216 | printf_unfiltered ("< "); | |
217 | if ((Z | (N ^ V)) == 0) | |
218 | printf_unfiltered ("> "); | |
219 | if ((Z | (N ^ V)) == 1) | |
220 | printf_unfiltered ("<= "); | |
221 | } | |
222 | } | |
223 | ||
224 | int | |
fba45db2 | 225 | h8500_register_size (int regno) |
c906108c SS |
226 | { |
227 | switch (regno) | |
228 | { | |
229 | case SEG_C_REGNUM: | |
230 | case SEG_D_REGNUM: | |
231 | case SEG_E_REGNUM: | |
232 | case SEG_T_REGNUM: | |
233 | return 1; | |
234 | case R0_REGNUM: | |
235 | case R1_REGNUM: | |
236 | case R2_REGNUM: | |
237 | case R3_REGNUM: | |
238 | case R4_REGNUM: | |
239 | case R5_REGNUM: | |
240 | case R6_REGNUM: | |
241 | case R7_REGNUM: | |
242 | case CCR_REGNUM: | |
243 | return 2; | |
244 | ||
245 | case PR0_REGNUM: | |
246 | case PR1_REGNUM: | |
247 | case PR2_REGNUM: | |
248 | case PR3_REGNUM: | |
249 | case PR4_REGNUM: | |
250 | case PR5_REGNUM: | |
251 | case PR6_REGNUM: | |
252 | case PR7_REGNUM: | |
253 | case PC_REGNUM: | |
254 | return 4; | |
255 | default: | |
e1e9e218 | 256 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
257 | } |
258 | } | |
259 | ||
260 | struct type * | |
fba45db2 | 261 | h8500_register_virtual_type (int regno) |
c906108c SS |
262 | { |
263 | switch (regno) | |
264 | { | |
265 | case SEG_C_REGNUM: | |
266 | case SEG_E_REGNUM: | |
267 | case SEG_D_REGNUM: | |
268 | case SEG_T_REGNUM: | |
269 | return builtin_type_unsigned_char; | |
270 | case R0_REGNUM: | |
271 | case R1_REGNUM: | |
272 | case R2_REGNUM: | |
273 | case R3_REGNUM: | |
274 | case R4_REGNUM: | |
275 | case R5_REGNUM: | |
276 | case R6_REGNUM: | |
277 | case R7_REGNUM: | |
278 | case CCR_REGNUM: | |
279 | return builtin_type_unsigned_short; | |
280 | case PR0_REGNUM: | |
281 | case PR1_REGNUM: | |
282 | case PR2_REGNUM: | |
283 | case PR3_REGNUM: | |
284 | case PR4_REGNUM: | |
285 | case PR5_REGNUM: | |
286 | case PR6_REGNUM: | |
287 | case PR7_REGNUM: | |
288 | case PC_REGNUM: | |
289 | return builtin_type_unsigned_long; | |
290 | default: | |
e1e9e218 | 291 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
292 | } |
293 | } | |
294 | ||
295 | /* Put here the code to store, into a struct frame_saved_regs, | |
296 | the addresses of the saved registers of frame described by FRAME_INFO. | |
297 | This includes special registers such as pc and fp saved in special | |
298 | ways in the stack frame. sp is even more special: | |
299 | the address we return for it IS the sp for the next frame. */ | |
300 | ||
301 | void | |
fba45db2 KB |
302 | frame_find_saved_regs (struct frame_info *frame_info, |
303 | struct frame_saved_regs *frame_saved_regs) | |
c906108c SS |
304 | { |
305 | register int regnum; | |
306 | register int regmask; | |
307 | register CORE_ADDR next_addr; | |
308 | register CORE_ADDR pc; | |
309 | unsigned char thebyte; | |
310 | ||
311 | memset (frame_saved_regs, '\0', sizeof *frame_saved_regs); | |
312 | ||
313 | if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4 | |
314 | && (frame_info)->pc <= (frame_info)->frame) | |
315 | { | |
316 | next_addr = (frame_info)->frame; | |
317 | pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4; | |
318 | } | |
319 | else | |
320 | { | |
321 | pc = get_pc_function_start ((frame_info)->pc); | |
322 | /* Verify we have a link a6 instruction next; | |
c5aa993b JM |
323 | if not we lose. If we win, find the address above the saved |
324 | regs using the amount of storage from the link instruction. | |
325 | */ | |
c906108c SS |
326 | |
327 | thebyte = read_memory_integer (pc, 1); | |
328 | if (0x1f == thebyte) | |
329 | next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 2), pc += 2; | |
330 | else if (0x17 == thebyte) | |
331 | next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 1), pc += 1; | |
332 | else | |
333 | goto lose; | |
334 | #if 0 | |
335 | /* FIXME steve */ | |
336 | /* If have an add:g.waddal #-n, sp next, adjust next_addr. */ | |
337 | if ((0x0c0177777 & read_memory_integer (pc, 2)) == 0157774) | |
338 | next_addr += read_memory_integer (pc += 2, 4), pc += 4; | |
339 | #endif | |
340 | } | |
341 | ||
342 | thebyte = read_memory_integer (pc, 1); | |
343 | if (thebyte == 0x12) | |
344 | { | |
345 | /* Got stm */ | |
346 | pc++; | |
347 | regmask = read_memory_integer (pc, 1); | |
348 | pc++; | |
349 | for (regnum = 0; regnum < 8; regnum++, regmask >>= 1) | |
350 | { | |
351 | if (regmask & 1) | |
352 | { | |
353 | (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2; | |
354 | } | |
355 | } | |
356 | thebyte = read_memory_integer (pc, 1); | |
357 | } | |
358 | /* Maybe got a load of pushes */ | |
359 | while (thebyte == 0xbf) | |
360 | { | |
361 | pc++; | |
362 | regnum = read_memory_integer (pc, 1) & 0x7; | |
363 | pc++; | |
364 | (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2; | |
365 | thebyte = read_memory_integer (pc, 1); | |
366 | } | |
367 | ||
368 | lose:; | |
369 | ||
370 | /* Remember the address of the frame pointer */ | |
371 | (frame_saved_regs)->regs[FP_REGNUM] = (frame_info)->frame; | |
372 | ||
373 | /* This is where the old sp is hidden */ | |
374 | (frame_saved_regs)->regs[SP_REGNUM] = (frame_info)->frame; | |
375 | ||
376 | /* And the PC - remember the pushed FP is always two bytes long */ | |
377 | (frame_saved_regs)->regs[PC_REGNUM] = (frame_info)->frame + 2; | |
378 | } | |
379 | ||
380 | CORE_ADDR | |
fba45db2 | 381 | saved_pc_after_call (void) |
c906108c SS |
382 | { |
383 | int x; | |
384 | int a = read_register (SP_REGNUM); | |
385 | ||
386 | x = read_memory_integer (a, code_size); | |
387 | if (code_size == 2) | |
388 | { | |
389 | /* Stick current code segement onto top */ | |
390 | x &= 0xffff; | |
391 | x |= read_register (SEG_C_REGNUM) << 16; | |
392 | } | |
393 | x &= 0xffffff; | |
394 | return x; | |
395 | } | |
396 | ||
397 | void | |
fba45db2 | 398 | h8500_set_pointer_size (int newsize) |
c906108c SS |
399 | { |
400 | static int oldsize = 0; | |
401 | ||
402 | if (oldsize != newsize) | |
403 | { | |
404 | printf_unfiltered ("pointer size set to %d bits\n", newsize); | |
405 | oldsize = newsize; | |
406 | if (newsize == 32) | |
407 | { | |
408 | minimum_mode = 0; | |
409 | } | |
410 | else | |
411 | { | |
412 | minimum_mode = 1; | |
413 | } | |
414 | _initialize_gdbtypes (); | |
415 | } | |
416 | } | |
417 | ||
418 | static void | |
55d80160 | 419 | big_command (char *arg, int from_tty) |
c906108c SS |
420 | { |
421 | h8500_set_pointer_size (32); | |
422 | code_size = 4; | |
423 | data_size = 4; | |
424 | } | |
425 | ||
426 | static void | |
55d80160 | 427 | medium_command (char *arg, int from_tty) |
c906108c SS |
428 | { |
429 | h8500_set_pointer_size (32); | |
430 | code_size = 4; | |
431 | data_size = 2; | |
432 | } | |
433 | ||
434 | static void | |
55d80160 | 435 | compact_command (char *arg, int from_tty) |
c906108c SS |
436 | { |
437 | h8500_set_pointer_size (32); | |
438 | code_size = 2; | |
439 | data_size = 4; | |
440 | } | |
441 | ||
442 | static void | |
55d80160 | 443 | small_command (char *arg, int from_tty) |
c906108c SS |
444 | { |
445 | h8500_set_pointer_size (16); | |
446 | code_size = 2; | |
447 | data_size = 2; | |
448 | } | |
449 | ||
450 | static struct cmd_list_element *setmemorylist; | |
451 | ||
452 | static void | |
fba45db2 | 453 | set_memory (char *args, int from_tty) |
c906108c SS |
454 | { |
455 | printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n"); | |
456 | help_list (setmemorylist, "set memory ", -1, gdb_stdout); | |
457 | } | |
458 | ||
459 | /* See if variable name is ppc or pr[0-7] */ | |
460 | ||
461 | int | |
fba45db2 | 462 | h8500_is_trapped_internalvar (char *name) |
c906108c SS |
463 | { |
464 | if (name[0] != 'p') | |
465 | return 0; | |
466 | ||
467 | if (strcmp (name + 1, "pc") == 0) | |
468 | return 1; | |
469 | ||
470 | if (name[1] == 'r' | |
471 | && name[2] >= '0' | |
472 | && name[2] <= '7' | |
473 | && name[3] == '\000') | |
474 | return 1; | |
475 | else | |
476 | return 0; | |
477 | } | |
478 | ||
479 | value_ptr | |
fba45db2 | 480 | h8500_value_of_trapped_internalvar (struct internalvar *var) |
c906108c SS |
481 | { |
482 | LONGEST regval; | |
483 | unsigned char regbuf[4]; | |
484 | int page_regnum, regnum; | |
485 | ||
486 | regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0'; | |
487 | ||
488 | switch (var->name[2]) | |
489 | { | |
490 | case 'c': | |
491 | page_regnum = SEG_C_REGNUM; | |
492 | break; | |
493 | case '0': | |
494 | case '1': | |
495 | case '2': | |
496 | case '3': | |
497 | page_regnum = SEG_D_REGNUM; | |
498 | break; | |
499 | case '4': | |
500 | case '5': | |
501 | page_regnum = SEG_E_REGNUM; | |
502 | break; | |
503 | case '6': | |
504 | case '7': | |
505 | page_regnum = SEG_T_REGNUM; | |
506 | break; | |
507 | } | |
508 | ||
509 | get_saved_register (regbuf, NULL, NULL, selected_frame, page_regnum, NULL); | |
510 | regval = regbuf[0] << 16; | |
511 | ||
512 | get_saved_register (regbuf, NULL, NULL, selected_frame, regnum, NULL); | |
c5aa993b | 513 | regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */ |
c906108c | 514 | |
b8c9b27d | 515 | xfree (var->value); /* Free up old value */ |
c906108c SS |
516 | |
517 | var->value = value_from_longest (builtin_type_unsigned_long, regval); | |
518 | release_value (var->value); /* Unchain new value */ | |
519 | ||
520 | VALUE_LVAL (var->value) = lval_internalvar; | |
521 | VALUE_INTERNALVAR (var->value) = var; | |
522 | return var->value; | |
523 | } | |
524 | ||
525 | void | |
fba45db2 KB |
526 | h8500_set_trapped_internalvar (struct internalvar *var, value_ptr newval, |
527 | int bitpos, int bitsize, int offset) | |
c906108c SS |
528 | { |
529 | char *page_regnum, *regnum; | |
530 | char expression[100]; | |
531 | unsigned new_regval; | |
532 | struct type *type; | |
533 | enum type_code newval_type_code; | |
534 | ||
535 | type = check_typedef (VALUE_TYPE (newval)); | |
536 | newval_type_code = TYPE_CODE (type); | |
537 | ||
538 | if ((newval_type_code != TYPE_CODE_INT | |
539 | && newval_type_code != TYPE_CODE_PTR) | |
540 | || TYPE_LENGTH (type) != sizeof (new_regval)) | |
541 | error ("Illegal type (%s) for assignment to $%s\n", | |
542 | TYPE_NAME (VALUE_TYPE (newval)), var->name); | |
543 | ||
544 | new_regval = *(long *) VALUE_CONTENTS_RAW (newval); | |
545 | ||
546 | regnum = var->name + 1; | |
547 | ||
548 | switch (var->name[2]) | |
549 | { | |
550 | case 'c': | |
551 | page_regnum = "cp"; | |
552 | break; | |
553 | case '0': | |
554 | case '1': | |
555 | case '2': | |
556 | case '3': | |
557 | page_regnum = "dp"; | |
558 | break; | |
559 | case '4': | |
560 | case '5': | |
561 | page_regnum = "ep"; | |
562 | break; | |
563 | case '6': | |
564 | case '7': | |
565 | page_regnum = "tp"; | |
566 | break; | |
567 | } | |
568 | ||
569 | sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16); | |
570 | parse_and_eval (expression); | |
571 | ||
572 | sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff); | |
573 | parse_and_eval (expression); | |
574 | } | |
575 | ||
576 | CORE_ADDR | |
fba45db2 | 577 | h8500_read_sp (void) |
c906108c SS |
578 | { |
579 | return read_register (PR7_REGNUM); | |
580 | } | |
581 | ||
582 | void | |
fba45db2 | 583 | h8500_write_sp (CORE_ADDR v) |
c906108c SS |
584 | { |
585 | write_register (PR7_REGNUM, v); | |
586 | } | |
587 | ||
588 | CORE_ADDR | |
fba45db2 | 589 | h8500_read_pc (int pid) |
c906108c SS |
590 | { |
591 | return read_register (PC_REGNUM); | |
592 | } | |
593 | ||
594 | void | |
fba45db2 | 595 | h8500_write_pc (CORE_ADDR v, int pid) |
c906108c SS |
596 | { |
597 | write_register (PC_REGNUM, v); | |
598 | } | |
599 | ||
600 | CORE_ADDR | |
fba45db2 | 601 | h8500_read_fp (void) |
c906108c SS |
602 | { |
603 | return read_register (PR6_REGNUM); | |
604 | } | |
605 | ||
606 | void | |
fba45db2 | 607 | h8500_write_fp (CORE_ADDR v) |
c906108c SS |
608 | { |
609 | write_register (PR6_REGNUM, v); | |
610 | } | |
611 | ||
612 | void | |
fba45db2 | 613 | _initialize_h8500_tdep (void) |
c906108c SS |
614 | { |
615 | tm_print_insn = print_insn_h8500; | |
616 | ||
617 | add_prefix_cmd ("memory", no_class, set_memory, | |
618 | "set the memory model", &setmemorylist, "set memory ", 0, | |
619 | &setlist); | |
620 | ||
621 | add_cmd ("small", class_support, small_command, | |
c5aa993b | 622 | "Set small memory model. (16 bit code, 16 bit data)", &setmemorylist); |
c906108c SS |
623 | |
624 | add_cmd ("big", class_support, big_command, | |
c5aa993b | 625 | "Set big memory model. (32 bit code, 32 bit data)", &setmemorylist); |
c906108c SS |
626 | |
627 | add_cmd ("medium", class_support, medium_command, | |
c5aa993b | 628 | "Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist); |
c906108c SS |
629 | |
630 | add_cmd ("compact", class_support, compact_command, | |
c5aa993b | 631 | "Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist); |
c906108c SS |
632 | |
633 | } |