4 * Copyright (c) 2005-2007 CodeSourcery
5 * Written by Paul Brook
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library 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 GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #include "m68k-qreg.h"
33 //#define DEBUG_DISPATCH 1
35 static inline void qemu_assert(int cond, const char *msg)
38 fprintf (stderr, "badness: %s\n", msg);
43 /* internal defines */
44 typedef struct DisasContext {
51 struct TranslationBlock *tb;
52 int singlestep_enabled;
55 #define DISAS_JUMP_NEXT 4
57 #if defined(CONFIG_USER_ONLY)
60 #define IS_USER(s) s->user
63 /* XXX: move that elsewhere */
64 /* ??? Fix exceptions. */
65 static void *gen_throws_exception;
66 #define gen_last_qop NULL
68 static uint16_t *gen_opc_ptr;
69 static uint32_t *gen_opparam_ptr;
74 #define DEF(s, n, copy_size) INDEX_op_ ## s,
82 #if defined(CONFIG_USER_ONLY)
83 #define gen_st(s, name, addr, val) gen_op_st##name##_raw(addr, val)
84 #define gen_ld(s, name, val, addr) gen_op_ld##name##_raw(val, addr)
86 #define gen_st(s, name, addr, val) do { \
88 gen_op_st##name##_user(addr, val); \
90 gen_op_st##name##_kernel(addr, val); \
92 #define gen_ld(s, name, val, addr) do { \
94 gen_op_ld##name##_user(val, addr); \
96 gen_op_ld##name##_kernel(val, addr); \
100 #include "op-hacks.h"
108 #define DREG(insn, pos) (((insn >> pos) & 7) + QREG_D0)
109 #define AREG(insn, pos) (((insn >> pos) & 7) + QREG_A0)
110 #define FREG(insn, pos) (((insn >> pos) & 7) + QREG_F0)
112 typedef void (*disas_proc)(DisasContext *, uint16_t);
114 #ifdef DEBUG_DISPATCH
115 #define DISAS_INSN(name) \
116 static void real_disas_##name (DisasContext *s, uint16_t insn); \
117 static void disas_##name (DisasContext *s, uint16_t insn) { \
118 if (logfile) fprintf(logfile, "Dispatch " #name "\n"); \
119 real_disas_##name(s, insn); } \
120 static void real_disas_##name (DisasContext *s, uint16_t insn)
122 #define DISAS_INSN(name) \
123 static void disas_##name (DisasContext *s, uint16_t insn)
126 /* Generate a load from the specified address. Narrow values are
127 sign extended to full register width. */
128 static inline int gen_load(DisasContext * s, int opsize, int addr, int sign)
133 tmp = gen_new_qreg(QMODE_I32);
135 gen_ld(s, 8s32, tmp, addr);
137 gen_ld(s, 8u32, tmp, addr);
140 tmp = gen_new_qreg(QMODE_I32);
142 gen_ld(s, 16s32, tmp, addr);
144 gen_ld(s, 16u32, tmp, addr);
147 tmp = gen_new_qreg(QMODE_I32);
148 gen_ld(s, 32, tmp, addr);
151 tmp = gen_new_qreg(QMODE_F32);
152 gen_ld(s, f32, tmp, addr);
155 tmp = gen_new_qreg(QMODE_F64);
156 gen_ld(s, f64, tmp, addr);
159 qemu_assert(0, "bad load size");
161 gen_throws_exception = gen_last_qop;
165 /* Generate a store. */
166 static inline void gen_store(DisasContext *s, int opsize, int addr, int val)
170 gen_st(s, 8, addr, val);
173 gen_st(s, 16, addr, val);
176 gen_st(s, 32, addr, val);
179 gen_st(s, f32, addr, val);
182 gen_st(s, f64, addr, val);
185 qemu_assert(0, "bad store size");
187 gen_throws_exception = gen_last_qop;
190 /* Generate an unsigned load if VAL is 0 a signed load if val is -1,
191 otherwise generate a store. */
192 static int gen_ldst(DisasContext *s, int opsize, int addr, int val)
195 gen_store(s, opsize, addr, val);
198 return gen_load(s, opsize, addr, val != 0);
202 /* Read a 32-bit immediate constant. */
203 static inline uint32_t read_im32(DisasContext *s)
206 im = ((uint32_t)lduw_code(s->pc)) << 16;
208 im |= lduw_code(s->pc);
213 /* Calculate and address index. */
214 static int gen_addr_index(uint16_t ext, int tmp)
219 add = (ext & 0x8000) ? AREG(ext, 12) : DREG(ext, 12);
220 if ((ext & 0x800) == 0) {
221 gen_op_ext16s32(tmp, add);
224 scale = (ext >> 9) & 3;
226 gen_op_shl32(tmp, add, gen_im32(scale));
232 /* Handle a base + index + displacement effective addresss. A base of
233 -1 means pc-relative. */
234 static int gen_lea_indexed(DisasContext *s, int opsize, int base)
243 ext = lduw_code(s->pc);
246 if ((ext & 0x800) == 0 && !m68k_feature(s->env, M68K_FEATURE_WORD_INDEX))
250 /* full extension word format */
251 if (!m68k_feature(s->env, M68K_FEATURE_EXT_FULL))
254 if ((ext & 0x30) > 0x10) {
255 /* base displacement */
256 if ((ext & 0x30) == 0x20) {
257 bd = (int16_t)lduw_code(s->pc);
265 tmp = gen_new_qreg(QMODE_I32);
266 if ((ext & 0x44) == 0) {
268 add = gen_addr_index(ext, tmp);
272 if ((ext & 0x80) == 0) {
273 /* base not suppressed */
275 base = gen_im32(offset + bd);
279 gen_op_add32(tmp, add, base);
287 gen_op_add32(tmp, add, gen_im32(bd));
293 if ((ext & 3) != 0) {
294 /* memory indirect */
295 base = gen_load(s, OS_LONG, add, 0);
296 if ((ext & 0x44) == 4) {
297 add = gen_addr_index(ext, tmp);
298 gen_op_add32(tmp, add, base);
304 /* outer displacement */
305 if ((ext & 3) == 2) {
306 od = (int16_t)lduw_code(s->pc);
315 gen_op_add32(add, tmp, gen_im32(od));
320 /* brief extension word format */
321 tmp = gen_new_qreg(QMODE_I32);
322 add = gen_addr_index(ext, tmp);
324 gen_op_add32(tmp, add, base);
326 gen_op_add32(tmp, tmp, gen_im32((int8_t)ext));
328 gen_op_add32(tmp, add, gen_im32(offset + (int8_t)ext));
335 /* Update the CPU env CC_OP state. */
336 static inline void gen_flush_cc_op(DisasContext *s)
338 if (s->cc_op != CC_OP_DYNAMIC)
339 gen_op_mov32(QREG_CC_OP, gen_im32(s->cc_op));
342 /* Evaluate all the CC flags. */
343 static inline void gen_flush_flags(DisasContext *s)
345 if (s->cc_op == CC_OP_FLAGS)
347 gen_op_flush_flags(s->cc_op);
348 s->cc_op = CC_OP_FLAGS;
351 static inline int opsize_bytes(int opsize)
354 case OS_BYTE: return 1;
355 case OS_WORD: return 2;
356 case OS_LONG: return 4;
357 case OS_SINGLE: return 4;
358 case OS_DOUBLE: return 8;
360 qemu_assert(0, "bad operand size");
364 /* Assign value to a register. If the width is less than the register width
365 only the low part of the register is set. */
366 static void gen_partset_reg(int opsize, int reg, int val)
371 gen_op_and32(reg, reg, gen_im32(0xffffff00));
372 tmp = gen_new_qreg(QMODE_I32);
373 gen_op_and32(tmp, val, gen_im32(0xff));
374 gen_op_or32(reg, reg, tmp);
377 gen_op_and32(reg, reg, gen_im32(0xffff0000));
378 tmp = gen_new_qreg(QMODE_I32);
379 gen_op_and32(tmp, val, gen_im32(0xffff));
380 gen_op_or32(reg, reg, tmp);
383 gen_op_mov32(reg, val);
386 gen_op_pack_32_f32(reg, val);
389 qemu_assert(0, "Bad operand size");
394 /* Sign or zero extend a value. */
395 static inline int gen_extend(int val, int opsize, int sign)
401 tmp = gen_new_qreg(QMODE_I32);
403 gen_op_ext8s32(tmp, val);
405 gen_op_ext8u32(tmp, val);
408 tmp = gen_new_qreg(QMODE_I32);
410 gen_op_ext16s32(tmp, val);
412 gen_op_ext16u32(tmp, val);
418 tmp = gen_new_qreg(QMODE_F32);
419 gen_op_pack_f32_32(tmp, val);
422 qemu_assert(0, "Bad operand size");
427 /* Generate code for an "effective address". Does not adjust the base
428 register for autoincrememnt addressing modes. */
429 static int gen_lea(DisasContext *s, uint16_t insn, int opsize)
437 switch ((insn >> 3) & 7) {
438 case 0: /* Data register direct. */
439 case 1: /* Address register direct. */
440 /* ??? generate bad addressing mode fault. */
441 qemu_assert(0, "invalid addressing mode");
442 case 2: /* Indirect register */
443 case 3: /* Indirect postincrement. */
446 case 4: /* Indirect predecrememnt. */
448 tmp = gen_new_qreg(QMODE_I32);
449 gen_op_sub32(tmp, reg, gen_im32(opsize_bytes(opsize)));
451 case 5: /* Indirect displacement. */
453 tmp = gen_new_qreg(QMODE_I32);
454 ext = lduw_code(s->pc);
456 gen_op_add32(tmp, reg, gen_im32((int16_t)ext));
458 case 6: /* Indirect index + displacement. */
460 return gen_lea_indexed(s, opsize, reg);
463 case 0: /* Absolute short. */
464 offset = ldsw_code(s->pc);
466 return gen_im32(offset);
467 case 1: /* Absolute long. */
468 offset = read_im32(s);
469 return gen_im32(offset);
470 case 2: /* pc displacement */
471 tmp = gen_new_qreg(QMODE_I32);
473 offset += ldsw_code(s->pc);
475 return gen_im32(offset);
476 case 3: /* pc index+displacement. */
477 return gen_lea_indexed(s, opsize, -1);
478 case 4: /* Immediate. */
480 /* ??? generate bad addressing mode fault. */
481 qemu_assert(0, "invalid addressing mode");
484 /* Should never happen. */
488 /* Helper function for gen_ea. Reuse the computed address between the
489 for read/write operands. */
490 static inline int gen_ea_once(DisasContext *s, uint16_t insn, int opsize,
495 if (addrp && val > 0) {
498 tmp = gen_lea(s, insn, opsize);
502 return gen_ldst(s, opsize, tmp, val);
505 /* Generate code to load/store a value ito/from an EA. If VAL > 0 this is
506 a write otherwise it is a read (0 == sign extend, -1 == zero extend).
507 ADDRP is non-null for readwrite operands. */
508 static int gen_ea(DisasContext *s, uint16_t insn, int opsize, int val,
516 switch ((insn >> 3) & 7) {
517 case 0: /* Data register direct. */
520 gen_partset_reg(opsize, reg, val);
523 return gen_extend(reg, opsize, val);
525 case 1: /* Address register direct. */
528 gen_op_mov32(reg, val);
531 return gen_extend(reg, opsize, val);
533 case 2: /* Indirect register */
535 return gen_ldst(s, opsize, reg, val);
536 case 3: /* Indirect postincrement. */
538 result = gen_ldst(s, opsize, reg, val);
539 /* ??? This is not exception safe. The instruction may still
540 fault after this point. */
541 if (val > 0 || !addrp)
542 gen_op_add32(reg, reg, gen_im32(opsize_bytes(opsize)));
544 case 4: /* Indirect predecrememnt. */
547 if (addrp && val > 0) {
550 tmp = gen_lea(s, insn, opsize);
554 result = gen_ldst(s, opsize, tmp, val);
555 /* ??? This is not exception safe. The instruction may still
556 fault after this point. */
557 if (val > 0 || !addrp) {
559 gen_op_mov32(reg, tmp);
563 case 5: /* Indirect displacement. */
564 case 6: /* Indirect index + displacement. */
565 return gen_ea_once(s, insn, opsize, val, addrp);
568 case 0: /* Absolute short. */
569 case 1: /* Absolute long. */
570 case 2: /* pc displacement */
571 case 3: /* pc index+displacement. */
572 return gen_ea_once(s, insn, opsize, val, addrp);
573 case 4: /* Immediate. */
574 /* Sign extend values for consistency. */
578 offset = ldsb_code(s->pc + 1);
580 offset = ldub_code(s->pc + 1);
585 offset = ldsw_code(s->pc);
587 offset = lduw_code(s->pc);
591 offset = read_im32(s);
594 qemu_assert(0, "Bad immediate operand");
596 return gen_im32(offset);
598 qemu_assert(0, "invalid addressing mode");
601 /* Should never happen. */
605 static void gen_logic_cc(DisasContext *s, int val)
607 gen_op_logic_cc(val);
608 s->cc_op = CC_OP_LOGIC;
611 static void gen_jmpcc(DisasContext *s, int cond, int l1)
622 case 2: /* HI (!C && !Z) */
623 tmp = gen_new_qreg(QMODE_I32);
624 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_C | CCF_Z));
625 gen_op_jmp_z32(tmp, l1);
627 case 3: /* LS (C || Z) */
628 tmp = gen_new_qreg(QMODE_I32);
629 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_C | CCF_Z));
630 gen_op_jmp_nz32(tmp, l1);
632 case 4: /* CC (!C) */
633 tmp = gen_new_qreg(QMODE_I32);
634 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_C));
635 gen_op_jmp_z32(tmp, l1);
638 tmp = gen_new_qreg(QMODE_I32);
639 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_C));
640 gen_op_jmp_nz32(tmp, l1);
642 case 6: /* NE (!Z) */
643 tmp = gen_new_qreg(QMODE_I32);
644 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_Z));
645 gen_op_jmp_z32(tmp, l1);
648 tmp = gen_new_qreg(QMODE_I32);
649 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_Z));
650 gen_op_jmp_nz32(tmp, l1);
652 case 8: /* VC (!V) */
653 tmp = gen_new_qreg(QMODE_I32);
654 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_V));
655 gen_op_jmp_z32(tmp, l1);
658 tmp = gen_new_qreg(QMODE_I32);
659 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_V));
660 gen_op_jmp_nz32(tmp, l1);
662 case 10: /* PL (!N) */
663 tmp = gen_new_qreg(QMODE_I32);
664 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_N));
665 gen_op_jmp_z32(tmp, l1);
667 case 11: /* MI (N) */
668 tmp = gen_new_qreg(QMODE_I32);
669 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_N));
670 gen_op_jmp_nz32(tmp, l1);
672 case 12: /* GE (!(N ^ V)) */
673 tmp = gen_new_qreg(QMODE_I32);
674 gen_op_shr32(tmp, QREG_CC_DEST, gen_im32(2));
675 gen_op_xor32(tmp, tmp, QREG_CC_DEST);
676 gen_op_and32(tmp, tmp, gen_im32(CCF_V));
677 gen_op_jmp_z32(tmp, l1);
679 case 13: /* LT (N ^ V) */
680 tmp = gen_new_qreg(QMODE_I32);
681 gen_op_shr32(tmp, QREG_CC_DEST, gen_im32(2));
682 gen_op_xor32(tmp, tmp, QREG_CC_DEST);
683 gen_op_and32(tmp, tmp, gen_im32(CCF_V));
684 gen_op_jmp_nz32(tmp, l1);
686 case 14: /* GT (!(Z || (N ^ V))) */
689 l2 = gen_new_label();
690 tmp = gen_new_qreg(QMODE_I32);
691 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_Z));
692 gen_op_jmp_nz32(tmp, l2);
693 tmp = gen_new_qreg(QMODE_I32);
694 gen_op_shr32(tmp, QREG_CC_DEST, gen_im32(2));
695 gen_op_xor32(tmp, tmp, QREG_CC_DEST);
696 gen_op_and32(tmp, tmp, gen_im32(CCF_V));
697 gen_op_jmp_nz32(tmp, l2);
702 case 15: /* LE (Z || (N ^ V)) */
703 tmp = gen_new_qreg(QMODE_I32);
704 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_Z));
705 gen_op_jmp_nz32(tmp, l1);
706 tmp = gen_new_qreg(QMODE_I32);
707 gen_op_shr32(tmp, QREG_CC_DEST, gen_im32(2));
708 gen_op_xor32(tmp, tmp, QREG_CC_DEST);
709 gen_op_and32(tmp, tmp, gen_im32(CCF_V));
710 gen_op_jmp_nz32(tmp, l1);
713 /* Should ever happen. */
724 l1 = gen_new_label();
725 cond = (insn >> 8) & 0xf;
727 gen_op_and32(reg, reg, gen_im32(0xffffff00));
728 gen_jmpcc(s, cond ^ 1, l1);
729 gen_op_or32(reg, reg, gen_im32(0xff));
733 /* Force a TB lookup after an instruction that changes the CPU state. */
734 static void gen_lookup_tb(DisasContext *s)
737 gen_op_mov32(QREG_PC, gen_im32(s->pc));
738 s->is_jmp = DISAS_UPDATE;
741 /* Generate a jump to to the address in qreg DEST. */
742 static void gen_jmp(DisasContext *s, int dest)
745 gen_op_mov32(QREG_PC, dest);
746 s->is_jmp = DISAS_JUMP;
749 static void gen_exception(DisasContext *s, uint32_t where, int nr)
752 gen_jmp(s, gen_im32(where));
753 gen_op_raise_exception(nr);
756 /* Generate a jump to an immediate address. */
757 static void gen_jmp_tb(DisasContext *s, int n, uint32_t dest)
759 TranslationBlock *tb;
762 if (__builtin_expect (s->singlestep_enabled, 0)) {
763 gen_exception(s, dest, EXCP_DEBUG);
764 } else if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) ||
765 (s->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
766 gen_op_goto_tb(0, n, (long)tb);
767 gen_op_mov32(QREG_PC, gen_im32(dest));
768 gen_op_mov32(QREG_T0, gen_im32((long)tb + n));
771 gen_jmp(s, gen_im32(dest));
772 gen_op_mov32(QREG_T0, gen_im32(0));
775 s->is_jmp = DISAS_TB_JUMP;
778 DISAS_INSN(undef_mac)
780 gen_exception(s, s->pc - 2, EXCP_LINEA);
783 DISAS_INSN(undef_fpu)
785 gen_exception(s, s->pc - 2, EXCP_LINEF);
790 gen_exception(s, s->pc - 2, EXCP_UNSUPPORTED);
791 cpu_abort(cpu_single_env, "Illegal instruction: %04x @ %08x",
802 sign = (insn & 0x100) != 0;
804 tmp = gen_new_qreg(QMODE_I32);
806 gen_op_ext16s32(tmp, reg);
808 gen_op_ext16u32(tmp, reg);
809 src = gen_ea(s, insn, OS_WORD, sign ? -1 : 0, NULL);
810 gen_op_mul32(tmp, tmp, src);
811 gen_op_mov32(reg, tmp);
812 /* Unlike m68k, coldfire always clears the overflow bit. */
813 gen_logic_cc(s, tmp);
823 sign = (insn & 0x100) != 0;
826 gen_op_ext16s32(QREG_DIV1, reg);
828 gen_op_ext16u32(QREG_DIV1, reg);
830 src = gen_ea(s, insn, OS_WORD, sign ? -1 : 0, NULL);
831 gen_op_mov32(QREG_DIV2, src);
838 tmp = gen_new_qreg(QMODE_I32);
839 src = gen_new_qreg(QMODE_I32);
840 gen_op_ext16u32(tmp, QREG_DIV1);
841 gen_op_shl32(src, QREG_DIV2, gen_im32(16));
842 gen_op_or32(reg, tmp, src);
844 s->cc_op = CC_OP_FLAGS;
854 ext = lduw_code(s->pc);
857 gen_exception(s, s->pc - 4, EXCP_UNSUPPORTED);
862 gen_op_mov32(QREG_DIV1, num);
863 den = gen_ea(s, insn, OS_LONG, 0, NULL);
864 gen_op_mov32(QREG_DIV2, den);
872 gen_op_mov32 (reg, QREG_DIV1);
875 gen_op_mov32 (reg, QREG_DIV2);
878 s->cc_op = CC_OP_FLAGS;
890 add = (insn & 0x4000) != 0;
892 dest = gen_new_qreg(QMODE_I32);
894 tmp = gen_ea(s, insn, OS_LONG, 0, &addr);
898 src = gen_ea(s, insn, OS_LONG, 0, NULL);
901 gen_op_add32(dest, tmp, src);
902 gen_op_update_xflag_lt(dest, src);
903 s->cc_op = CC_OP_ADD;
905 gen_op_update_xflag_lt(tmp, src);
906 gen_op_sub32(dest, tmp, src);
907 s->cc_op = CC_OP_SUB;
909 gen_op_update_cc_add(dest, src);
911 gen_ea(s, insn, OS_LONG, dest, &addr);
913 gen_op_mov32(reg, dest);
918 /* Reverse the order of the bits in REG. */
926 val = gen_new_qreg(QMODE_I32);
927 tmp1 = gen_new_qreg(QMODE_I32);
928 tmp2 = gen_new_qreg(QMODE_I32);
930 gen_op_mov32(val, reg);
931 /* Reverse bits within each nibble. */
932 gen_op_shl32(tmp1, val, gen_im32(3));
933 gen_op_and32(tmp1, tmp1, gen_im32(0x88888888));
934 gen_op_shl32(tmp2, val, gen_im32(1));
935 gen_op_and32(tmp2, tmp2, gen_im32(0x44444444));
936 gen_op_or32(tmp1, tmp1, tmp2);
937 gen_op_shr32(tmp2, val, gen_im32(1));
938 gen_op_and32(tmp2, tmp2, gen_im32(0x22222222));
939 gen_op_or32(tmp1, tmp1, tmp2);
940 gen_op_shr32(tmp2, val, gen_im32(3));
941 gen_op_and32(tmp2, tmp2, gen_im32(0x11111111));
942 gen_op_or32(tmp1, tmp1, tmp2);
943 /* Reverse nibbles withing bytes. */
944 gen_op_shl32(val, tmp1, gen_im32(4));
945 gen_op_and32(val, val, gen_im32(0xf0f0f0f0));
946 gen_op_shr32(tmp2, tmp1, gen_im32(4));
947 gen_op_and32(tmp2, tmp2, gen_im32(0x0f0f0f0f));
948 gen_op_or32(val, val, tmp2);
950 gen_op_bswap32(reg, val);
951 gen_op_mov32(reg, val);
954 DISAS_INSN(bitop_reg)
964 if ((insn & 0x38) != 0)
968 op = (insn >> 6) & 3;
969 src1 = gen_ea(s, insn, opsize, 0, op ? &addr: NULL);
970 src2 = DREG(insn, 9);
971 dest = gen_new_qreg(QMODE_I32);
974 tmp = gen_new_qreg(QMODE_I32);
975 if (opsize == OS_BYTE)
976 gen_op_and32(tmp, src2, gen_im32(7));
978 gen_op_and32(tmp, src2, gen_im32(31));
980 tmp = gen_new_qreg(QMODE_I32);
981 gen_op_shl32(tmp, gen_im32(1), src2);
983 gen_op_btest(src1, tmp);
986 gen_op_xor32(dest, src1, tmp);
989 gen_op_not32(tmp, tmp);
990 gen_op_and32(dest, src1, tmp);
993 gen_op_or32(dest, src1, tmp);
999 gen_ea(s, insn, opsize, dest, &addr);
1008 reg = DREG(insn, 0);
1009 tmp = gen_new_qreg(QMODE_I32);
1011 gen_op_and32(tmp, QREG_CC_DEST, gen_im32(CCF_V));
1012 l1 = gen_new_label();
1013 gen_op_jmp_z32(tmp, l1);
1014 tmp = gen_new_qreg(QMODE_I32);
1015 gen_op_shr32(tmp, reg, gen_im32(31));
1016 gen_op_xor32(tmp, tmp, gen_im32(0x80000000));
1017 gen_op_mov32(reg, tmp);
1019 gen_logic_cc(s, tmp);
1022 static void gen_push(DisasContext *s, int val)
1026 tmp = gen_new_qreg(QMODE_I32);
1027 gen_op_sub32(tmp, QREG_SP, gen_im32(4));
1028 gen_store(s, OS_LONG, tmp, val);
1029 gen_op_mov32(QREG_SP, tmp);
1041 mask = lduw_code(s->pc);
1043 tmp = gen_lea(s, insn, OS_LONG);
1044 addr = gen_new_qreg(QMODE_I32);
1045 gen_op_mov32(addr, tmp);
1046 is_load = ((insn & 0x0400) != 0);
1047 for (i = 0; i < 16; i++, mask >>= 1) {
1054 tmp = gen_load(s, OS_LONG, addr, 0);
1055 gen_op_mov32(reg, tmp);
1057 gen_store(s, OS_LONG, addr, reg);
1060 gen_op_add32(addr, addr, gen_im32(4));
1065 DISAS_INSN(bitop_im)
1076 if ((insn & 0x38) != 0)
1080 op = (insn >> 6) & 3;
1082 bitnum = lduw_code(s->pc);
1084 if (bitnum & 0xff00) {
1085 disas_undef(s, insn);
1089 src1 = gen_ea(s, insn, opsize, 0, op ? &addr: NULL);
1092 tmp = gen_new_qreg(QMODE_I32);
1093 if (opsize == OS_BYTE)
1099 gen_op_btest(src1, gen_im32(mask));
1101 dest = gen_new_qreg(QMODE_I32);
1107 gen_op_xor32(dest, src1, gen_im32(mask));
1110 gen_op_and32(dest, src1, gen_im32(~mask));
1113 gen_op_or32(dest, src1, gen_im32(mask));
1119 gen_ea(s, insn, opsize, dest, &addr);
1122 DISAS_INSN(arith_im)
1130 op = (insn >> 9) & 7;
1131 src1 = gen_ea(s, insn, OS_LONG, 0, (op == 6) ? NULL : &addr);
1132 src2 = gen_im32(read_im32(s));
1133 dest = gen_new_qreg(QMODE_I32);
1136 gen_op_or32(dest, src1, src2);
1137 gen_logic_cc(s, dest);
1140 gen_op_and32(dest, src1, src2);
1141 gen_logic_cc(s, dest);
1144 gen_op_mov32(dest, src1);
1145 gen_op_update_xflag_lt(dest, src2);
1146 gen_op_sub32(dest, dest, src2);
1147 gen_op_update_cc_add(dest, src2);
1148 s->cc_op = CC_OP_SUB;
1151 gen_op_mov32(dest, src1);
1152 gen_op_add32(dest, dest, src2);
1153 gen_op_update_cc_add(dest, src2);
1154 gen_op_update_xflag_lt(dest, src2);
1155 s->cc_op = CC_OP_ADD;
1158 gen_op_xor32(dest, src1, src2);
1159 gen_logic_cc(s, dest);
1162 gen_op_mov32(dest, src1);
1163 gen_op_sub32(dest, dest, src2);
1164 gen_op_update_cc_add(dest, src2);
1165 s->cc_op = CC_OP_SUB;
1171 gen_ea(s, insn, OS_LONG, dest, &addr);
1179 reg = DREG(insn, 0);
1180 gen_op_bswap32(reg, reg);
1190 switch (insn >> 12) {
1191 case 1: /* move.b */
1194 case 2: /* move.l */
1197 case 3: /* move.w */
1203 src = gen_ea(s, insn, opsize, -1, NULL);
1204 op = (insn >> 6) & 7;
1207 /* The value will already have been sign extended. */
1208 dest = AREG(insn, 9);
1209 gen_op_mov32(dest, src);
1213 dest_ea = ((insn >> 9) & 7) | (op << 3);
1214 gen_ea(s, dest_ea, opsize, src, NULL);
1215 /* This will be correct because loads sign extend. */
1216 gen_logic_cc(s, src);
1227 reg = DREG(insn, 0);
1228 dest = gen_new_qreg(QMODE_I32);
1229 gen_op_mov32 (dest, gen_im32(0));
1230 gen_op_subx_cc(dest, reg);
1232 tmp = gen_new_qreg(QMODE_I32);
1233 gen_op_mov32 (tmp, QREG_CC_DEST);
1234 gen_op_update_cc_add(dest, reg);
1235 gen_op_mov32(reg, dest);
1236 s->cc_op = CC_OP_DYNAMIC;
1238 gen_op_or32(tmp, tmp, gen_im32(~CCF_Z));
1239 gen_op_and32(QREG_CC_DEST, QREG_CC_DEST, tmp);
1240 s->cc_op = CC_OP_FLAGS;
1248 reg = AREG(insn, 9);
1249 tmp = gen_lea(s, insn, OS_LONG);
1250 gen_op_mov32(reg, tmp);
1257 switch ((insn >> 6) & 3) {
1270 gen_ea (s, insn, opsize, gen_im32(0), NULL);
1271 gen_logic_cc(s, gen_im32(0));
1274 static int gen_get_ccr(DisasContext *s)
1279 dest = gen_new_qreg(QMODE_I32);
1280 gen_op_get_xflag(dest);
1281 gen_op_shl32(dest, dest, gen_im32(4));
1282 gen_op_or32(dest, dest, QREG_CC_DEST);
1286 DISAS_INSN(move_from_ccr)
1291 ccr = gen_get_ccr(s);
1292 reg = DREG(insn, 0);
1293 gen_partset_reg(OS_WORD, reg, ccr);
1301 reg = DREG(insn, 0);
1302 src1 = gen_new_qreg(QMODE_I32);
1303 gen_op_mov32(src1, reg);
1304 gen_op_neg32(reg, src1);
1305 s->cc_op = CC_OP_SUB;
1306 gen_op_update_cc_add(reg, src1);
1307 gen_op_update_xflag_lt(gen_im32(0), src1);
1308 s->cc_op = CC_OP_SUB;
1311 static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only)
1313 gen_op_logic_cc(gen_im32(val & 0xf));
1314 gen_op_update_xflag_tst(gen_im32((val & 0x10) >> 4));
1316 gen_op_mov32(QREG_SR, gen_im32(val & 0xff00));
1320 static void gen_set_sr(DisasContext *s, uint16_t insn, int ccr_only)
1325 s->cc_op = CC_OP_FLAGS;
1326 if ((insn & 0x38) == 0)
1328 src1 = gen_new_qreg(QMODE_I32);
1329 reg = DREG(insn, 0);
1330 gen_op_and32(src1, reg, gen_im32(0xf));
1331 gen_op_logic_cc(src1);
1332 gen_op_shr32(src1, reg, gen_im32(4));
1333 gen_op_and32(src1, src1, gen_im32(1));
1334 gen_op_update_xflag_tst(src1);
1336 gen_op_and32(QREG_SR, reg, gen_im32(0xff00));
1339 else if ((insn & 0x3f) == 0x3c)
1342 val = lduw_code(s->pc);
1344 gen_set_sr_im(s, val, ccr_only);
1347 disas_undef(s, insn);
1350 DISAS_INSN(move_to_ccr)
1352 gen_set_sr(s, insn, 1);
1359 reg = DREG(insn, 0);
1360 gen_op_not32(reg, reg);
1361 gen_logic_cc(s, reg);
1371 dest = gen_new_qreg(QMODE_I32);
1372 src1 = gen_new_qreg(QMODE_I32);
1373 src2 = gen_new_qreg(QMODE_I32);
1374 reg = DREG(insn, 0);
1375 gen_op_shl32(src1, reg, gen_im32(16));
1376 gen_op_shr32(src2, reg, gen_im32(16));
1377 gen_op_or32(dest, src1, src2);
1378 gen_op_mov32(reg, dest);
1379 gen_logic_cc(s, dest);
1386 tmp = gen_lea(s, insn, OS_LONG);
1396 reg = DREG(insn, 0);
1397 op = (insn >> 6) & 7;
1398 tmp = gen_new_qreg(QMODE_I32);
1400 gen_op_ext16s32(tmp, reg);
1402 gen_op_ext8s32(tmp, reg);
1404 gen_partset_reg(OS_WORD, reg, tmp);
1406 gen_op_mov32(reg, tmp);
1407 gen_logic_cc(s, tmp);
1415 switch ((insn >> 6) & 3) {
1428 tmp = gen_ea(s, insn, opsize, -1, NULL);
1429 gen_logic_cc(s, tmp);
1434 /* Implemented as a NOP. */
1439 gen_exception(s, s->pc - 2, EXCP_ILLEGAL);
1442 /* ??? This should be atomic. */
1449 dest = gen_new_qreg(QMODE_I32);
1450 src1 = gen_ea(s, insn, OS_BYTE, -1, &addr);
1451 gen_logic_cc(s, src1);
1452 gen_op_or32(dest, src1, gen_im32(0x80));
1453 gen_ea(s, insn, OS_BYTE, dest, &addr);
1463 /* The upper 32 bits of the product are discarded, so
1464 muls.l and mulu.l are functionally equivalent. */
1465 ext = lduw_code(s->pc);
1468 gen_exception(s, s->pc - 4, EXCP_UNSUPPORTED);
1471 reg = DREG(ext, 12);
1472 src1 = gen_ea(s, insn, OS_LONG, 0, NULL);
1473 dest = gen_new_qreg(QMODE_I32);
1474 gen_op_mul32(dest, src1, reg);
1475 gen_op_mov32(reg, dest);
1476 /* Unlike m68k, coldfire always clears the overflow bit. */
1477 gen_logic_cc(s, dest);
1486 offset = ldsw_code(s->pc);
1488 reg = AREG(insn, 0);
1489 tmp = gen_new_qreg(QMODE_I32);
1490 gen_op_sub32(tmp, QREG_SP, gen_im32(4));
1491 gen_store(s, OS_LONG, tmp, reg);
1493 gen_op_mov32(reg, tmp);
1494 gen_op_add32(QREG_SP, tmp, gen_im32(offset));
1503 src = gen_new_qreg(QMODE_I32);
1504 reg = AREG(insn, 0);
1505 gen_op_mov32(src, reg);
1506 tmp = gen_load(s, OS_LONG, src, 0);
1507 gen_op_mov32(reg, tmp);
1508 gen_op_add32(QREG_SP, src, gen_im32(4));
1519 tmp = gen_load(s, OS_LONG, QREG_SP, 0);
1520 gen_op_add32(QREG_SP, QREG_SP, gen_im32(4));
1528 /* Load the target address first to ensure correct exception
1530 tmp = gen_lea(s, insn, OS_LONG);
1531 if ((insn & 0x40) == 0) {
1533 gen_push(s, gen_im32(s->pc));
1546 src1 = gen_ea(s, insn, OS_LONG, 0, &addr);
1547 val = (insn >> 9) & 7;
1550 src2 = gen_im32(val);
1551 dest = gen_new_qreg(QMODE_I32);
1552 gen_op_mov32(dest, src1);
1553 if ((insn & 0x38) == 0x08) {
1554 /* Don't update condition codes if the destination is an
1555 address register. */
1556 if (insn & 0x0100) {
1557 gen_op_sub32(dest, dest, src2);
1559 gen_op_add32(dest, dest, src2);
1562 if (insn & 0x0100) {
1563 gen_op_update_xflag_lt(dest, src2);
1564 gen_op_sub32(dest, dest, src2);
1565 s->cc_op = CC_OP_SUB;
1567 gen_op_add32(dest, dest, src2);
1568 gen_op_update_xflag_lt(dest, src2);
1569 s->cc_op = CC_OP_ADD;
1571 gen_op_update_cc_add(dest, src2);
1573 gen_ea(s, insn, OS_LONG, dest, &addr);
1579 case 2: /* One extension word. */
1582 case 3: /* Two extension words. */
1585 case 4: /* No extension words. */
1588 disas_undef(s, insn);
1600 op = (insn >> 8) & 0xf;
1601 offset = (int8_t)insn;
1603 offset = ldsw_code(s->pc);
1605 } else if (offset == -1) {
1606 offset = read_im32(s);
1610 gen_push(s, gen_im32(s->pc));
1615 l1 = gen_new_label();
1616 gen_jmpcc(s, ((insn >> 8) & 0xf) ^ 1, l1);
1617 gen_jmp_tb(s, 1, base + offset);
1619 gen_jmp_tb(s, 0, s->pc);
1621 /* Unconditional branch. */
1622 gen_jmp_tb(s, 0, base + offset);
1630 tmp = gen_im32((int8_t)insn);
1631 gen_op_mov32(DREG(insn, 9), tmp);
1632 gen_logic_cc(s, tmp);
1645 src = gen_ea(s, insn, opsize, (insn & 0x80) ? 0 : -1, NULL);
1646 reg = DREG(insn, 9);
1647 gen_op_mov32(reg, src);
1648 gen_logic_cc(s, src);
1658 reg = DREG(insn, 9);
1659 dest = gen_new_qreg(QMODE_I32);
1661 src = gen_ea(s, insn, OS_LONG, 0, &addr);
1662 gen_op_or32(dest, src, reg);
1663 gen_ea(s, insn, OS_LONG, dest, &addr);
1665 src = gen_ea(s, insn, OS_LONG, 0, NULL);
1666 gen_op_or32(dest, src, reg);
1667 gen_op_mov32(reg, dest);
1669 gen_logic_cc(s, dest);
1677 src = gen_ea(s, insn, OS_LONG, 0, NULL);
1678 reg = AREG(insn, 9);
1679 gen_op_sub32(reg, reg, src);
1690 reg = DREG(insn, 9);
1691 src = DREG(insn, 0);
1692 dest = gen_new_qreg(QMODE_I32);
1693 gen_op_mov32 (dest, reg);
1694 gen_op_subx_cc(dest, src);
1696 tmp = gen_new_qreg(QMODE_I32);
1697 gen_op_mov32 (tmp, QREG_CC_DEST);
1698 gen_op_update_cc_add(dest, src);
1699 gen_op_mov32(reg, dest);
1700 s->cc_op = CC_OP_DYNAMIC;
1702 gen_op_or32(tmp, tmp, gen_im32(~CCF_Z));
1703 gen_op_and32(QREG_CC_DEST, QREG_CC_DEST, tmp);
1704 s->cc_op = CC_OP_FLAGS;
1712 val = (insn >> 9) & 7;
1715 src = gen_im32(val);
1716 gen_logic_cc(s, src);
1717 gen_ea(s, insn, OS_LONG, src, NULL);
1728 op = (insn >> 6) & 3;
1732 s->cc_op = CC_OP_CMPB;
1736 s->cc_op = CC_OP_CMPW;
1740 s->cc_op = CC_OP_SUB;
1745 src = gen_ea(s, insn, opsize, -1, NULL);
1746 reg = DREG(insn, 9);
1747 dest = gen_new_qreg(QMODE_I32);
1748 gen_op_sub32(dest, reg, src);
1749 gen_op_update_cc_add(dest, src);
1764 src = gen_ea(s, insn, opsize, -1, NULL);
1765 reg = AREG(insn, 9);
1766 dest = gen_new_qreg(QMODE_I32);
1767 gen_op_sub32(dest, reg, src);
1768 gen_op_update_cc_add(dest, src);
1769 s->cc_op = CC_OP_SUB;
1779 src = gen_ea(s, insn, OS_LONG, 0, &addr);
1780 reg = DREG(insn, 9);
1781 dest = gen_new_qreg(QMODE_I32);
1782 gen_op_xor32(dest, src, reg);
1783 gen_logic_cc(s, dest);
1784 gen_ea(s, insn, OS_LONG, dest, &addr);
1794 reg = DREG(insn, 9);
1795 dest = gen_new_qreg(QMODE_I32);
1797 src = gen_ea(s, insn, OS_LONG, 0, &addr);
1798 gen_op_and32(dest, src, reg);
1799 gen_ea(s, insn, OS_LONG, dest, &addr);
1801 src = gen_ea(s, insn, OS_LONG, 0, NULL);
1802 gen_op_and32(dest, src, reg);
1803 gen_op_mov32(reg, dest);
1805 gen_logic_cc(s, dest);
1813 src = gen_ea(s, insn, OS_LONG, 0, NULL);
1814 reg = AREG(insn, 9);
1815 gen_op_add32(reg, reg, src);
1826 reg = DREG(insn, 9);
1827 src = DREG(insn, 0);
1828 dest = gen_new_qreg(QMODE_I32);
1829 gen_op_mov32 (dest, reg);
1830 gen_op_addx_cc(dest, src);
1832 tmp = gen_new_qreg(QMODE_I32);
1833 gen_op_mov32 (tmp, QREG_CC_DEST);
1834 gen_op_update_cc_add(dest, src);
1835 gen_op_mov32(reg, dest);
1836 s->cc_op = CC_OP_DYNAMIC;
1838 gen_op_or32(tmp, tmp, gen_im32(~CCF_Z));
1839 gen_op_and32(QREG_CC_DEST, QREG_CC_DEST, tmp);
1840 s->cc_op = CC_OP_FLAGS;
1843 DISAS_INSN(shift_im)
1848 reg = DREG(insn, 0);
1849 tmp = (insn >> 9) & 7;
1853 gen_op_shl_im_cc(reg, tmp);
1854 s->cc_op = CC_OP_SHL;
1857 gen_op_shr_im_cc(reg, tmp);
1858 s->cc_op = CC_OP_SHR;
1860 gen_op_sar_im_cc(reg, tmp);
1861 s->cc_op = CC_OP_SAR;
1866 DISAS_INSN(shift_reg)
1872 reg = DREG(insn, 0);
1873 src = DREG(insn, 9);
1874 tmp = gen_new_qreg(QMODE_I32);
1875 gen_op_and32(tmp, src, gen_im32(63));
1877 gen_op_shl_cc(reg, tmp);
1878 s->cc_op = CC_OP_SHL;
1881 gen_op_shr_cc(reg, tmp);
1882 s->cc_op = CC_OP_SHR;
1884 gen_op_sar_cc(reg, tmp);
1885 s->cc_op = CC_OP_SAR;
1892 cpu_abort(NULL, "Unimplemented insn: ff1");
1895 static int gen_get_sr(DisasContext *s)
1900 ccr = gen_get_ccr(s);
1901 sr = gen_new_qreg(QMODE_I32);
1902 gen_op_and32(sr, QREG_SR, gen_im32(0xffe0));
1903 gen_op_or32(sr, sr, ccr);
1913 ext = lduw_code(s->pc);
1915 if (ext != 0x46FC) {
1916 gen_exception(s, addr, EXCP_UNSUPPORTED);
1919 ext = lduw_code(s->pc);
1921 if (IS_USER(s) || (ext & SR_S) == 0) {
1922 gen_exception(s, addr, EXCP_PRIVILEGE);
1925 gen_push(s, gen_get_sr(s));
1926 gen_set_sr_im(s, ext, 0);
1929 DISAS_INSN(move_from_sr)
1935 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
1939 reg = DREG(insn, 0);
1940 gen_partset_reg(OS_WORD, reg, sr);
1943 DISAS_INSN(move_to_sr)
1946 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
1949 gen_set_sr(s, insn, 0);
1953 DISAS_INSN(move_from_usp)
1956 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
1959 /* TODO: Implement USP. */
1960 gen_exception(s, s->pc - 2, EXCP_ILLEGAL);
1963 DISAS_INSN(move_to_usp)
1966 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
1969 /* TODO: Implement USP. */
1970 gen_exception(s, s->pc - 2, EXCP_ILLEGAL);
1975 gen_jmp(s, gen_im32(s->pc));
1984 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
1988 ext = lduw_code(s->pc);
1991 gen_set_sr_im(s, ext, 0);
1992 gen_jmp(s, gen_im32(s->pc));
1999 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
2002 gen_exception(s, s->pc - 2, EXCP_RTE);
2011 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
2015 ext = lduw_code(s->pc);
2019 reg = AREG(ext, 12);
2021 reg = DREG(ext, 12);
2023 gen_op_movec(gen_im32(ext & 0xfff), reg);
2030 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
2033 /* ICache fetch. Implement as no-op. */
2039 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
2042 /* Cache push/invalidate. Implement as no-op. */
2047 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
2053 gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
2056 /* TODO: Implement wdebug. */
2057 qemu_assert(0, "WDEBUG not implemented");
2062 gen_exception(s, s->pc - 2, EXCP_TRAP0 + (insn & 0xf));
2065 /* ??? FP exceptions are not implemented. Most exceptions are deferred until
2066 immediately before the next FP instruction is executed. */
2077 ext = lduw_code(s->pc);
2079 opmode = ext & 0x7f;
2080 switch ((ext >> 13) & 7) {
2085 case 3: /* fmove out */
2088 /* ??? TODO: Proper behavior on overflow. */
2089 switch ((ext >> 10) & 7) {
2092 res = gen_new_qreg(QMODE_I32);
2093 gen_op_f64_to_i32(res, src);
2097 res = gen_new_qreg(QMODE_F32);
2098 gen_op_f64_to_f32(res, src);
2102 res = gen_new_qreg(QMODE_I32);
2103 gen_op_f64_to_i32(res, src);
2111 res = gen_new_qreg(QMODE_I32);
2112 gen_op_f64_to_i32(res, src);
2117 gen_ea(s, insn, opsize, res, NULL);
2119 case 4: /* fmove to control register. */
2120 switch ((ext >> 10) & 7) {
2122 /* Not implemented. Ignore writes. */
2127 cpu_abort(NULL, "Unimplemented: fmove to control %d",
2131 case 5: /* fmove from control register. */
2132 switch ((ext >> 10) & 7) {
2134 /* Not implemented. Always return zero. */
2140 cpu_abort(NULL, "Unimplemented: fmove from control %d",
2144 gen_ea(s, insn, OS_LONG, res, NULL);
2146 case 6: /* fmovem */
2151 if ((ext & 0x1f00) != 0x1000 || (ext & 0xff) == 0)
2153 src = gen_lea(s, insn, OS_LONG);
2154 addr = gen_new_qreg(QMODE_I32);
2155 gen_op_mov32(addr, src);
2160 if (ext & (1 << 13)) {
2162 gen_st(s, f64, addr, dest);
2165 gen_ld(s, f64, dest, addr);
2167 if (ext & (mask - 1))
2168 gen_op_add32(addr, addr, gen_im32(8));
2176 if (ext & (1 << 14)) {
2179 /* Source effective address. */
2180 switch ((ext >> 10) & 7) {
2181 case 0: opsize = OS_LONG; break;
2182 case 1: opsize = OS_SINGLE; break;
2183 case 4: opsize = OS_WORD; break;
2184 case 5: opsize = OS_DOUBLE; break;
2185 case 6: opsize = OS_BYTE; break;
2189 tmp = gen_ea(s, insn, opsize, -1, NULL);
2190 if (opsize == OS_DOUBLE) {
2193 src = gen_new_qreg(QMODE_F64);
2198 gen_op_i32_to_f64(src, tmp);
2201 gen_op_f32_to_f64(src, tmp);
2206 /* Source register. */
2207 src = FREG(ext, 10);
2209 dest = FREG(ext, 7);
2210 res = gen_new_qreg(QMODE_F64);
2212 gen_op_movf64(res, dest);
2215 case 0: case 0x40: case 0x44: /* fmove */
2216 gen_op_movf64(res, src);
2219 gen_op_iround_f64(res, src);
2222 case 3: /* fintrz */
2223 gen_op_itrunc_f64(res, src);
2226 case 4: case 0x41: case 0x45: /* fsqrt */
2227 gen_op_sqrtf64(res, src);
2229 case 0x18: case 0x58: case 0x5c: /* fabs */
2230 gen_op_absf64(res, src);
2232 case 0x1a: case 0x5a: case 0x5e: /* fneg */
2233 gen_op_chsf64(res, src);
2235 case 0x20: case 0x60: case 0x64: /* fdiv */
2236 gen_op_divf64(res, res, src);
2238 case 0x22: case 0x62: case 0x66: /* fadd */
2239 gen_op_addf64(res, res, src);
2241 case 0x23: case 0x63: case 0x67: /* fmul */
2242 gen_op_mulf64(res, res, src);
2244 case 0x28: case 0x68: case 0x6c: /* fsub */
2245 gen_op_subf64(res, res, src);
2247 case 0x38: /* fcmp */
2248 gen_op_sub_cmpf64(res, res, src);
2252 case 0x3a: /* ftst */
2253 gen_op_movf64(res, src);
2261 if (opmode & 0x40) {
2262 if ((opmode & 0x4) != 0)
2264 } else if ((s->fpcr & M68K_FPCR_PREC) == 0) {
2271 tmp = gen_new_qreg(QMODE_F32);
2272 gen_op_f64_to_f32(tmp, res);
2273 gen_op_f32_to_f64(res, tmp);
2275 gen_op_fp_result(res);
2277 gen_op_movf64(dest, res);
2282 disas_undef_fpu(s, insn);
2294 offset = ldsw_code(s->pc);
2296 if (insn & (1 << 6)) {
2297 offset = (offset << 16) | lduw_code(s->pc);
2301 l1 = gen_new_label();
2302 /* TODO: Raise BSUN exception. */
2303 flag = gen_new_qreg(QMODE_I32);
2304 zero = gen_new_qreg(QMODE_F64);
2305 gen_op_zerof64(zero);
2306 gen_op_compare_quietf64(flag, QREG_FP_RESULT, zero);
2307 /* Jump to l1 if condition is true. */
2308 switch (insn & 0xf) {
2311 case 1: /* eq (=0) */
2312 gen_op_jmp_z32(flag, l1);
2314 case 2: /* ogt (=1) */
2315 gen_op_sub32(flag, flag, gen_im32(1));
2316 gen_op_jmp_z32(flag, l1);
2318 case 3: /* oge (=0 or =1) */
2319 gen_op_jmp_z32(flag, l1);
2320 gen_op_sub32(flag, flag, gen_im32(1));
2321 gen_op_jmp_z32(flag, l1);
2323 case 4: /* olt (=-1) */
2324 gen_op_jmp_s32(flag, l1);
2326 case 5: /* ole (=-1 or =0) */
2327 gen_op_jmp_s32(flag, l1);
2328 gen_op_jmp_z32(flag, l1);
2330 case 6: /* ogl (=-1 or =1) */
2331 gen_op_jmp_s32(flag, l1);
2332 gen_op_sub32(flag, flag, gen_im32(1));
2333 gen_op_jmp_z32(flag, l1);
2335 case 7: /* or (=2) */
2336 gen_op_sub32(flag, flag, gen_im32(2));
2337 gen_op_jmp_z32(flag, l1);
2339 case 8: /* un (<2) */
2340 gen_op_sub32(flag, flag, gen_im32(2));
2341 gen_op_jmp_s32(flag, l1);
2343 case 9: /* ueq (=0 or =2) */
2344 gen_op_jmp_z32(flag, l1);
2345 gen_op_sub32(flag, flag, gen_im32(2));
2346 gen_op_jmp_z32(flag, l1);
2348 case 10: /* ugt (>0) */
2349 /* ??? Add jmp_gtu. */
2350 gen_op_sub32(flag, flag, gen_im32(1));
2351 gen_op_jmp_ns32(flag, l1);
2353 case 11: /* uge (>=0) */
2354 gen_op_jmp_ns32(flag, l1);
2356 case 12: /* ult (=-1 or =2) */
2357 gen_op_jmp_s32(flag, l1);
2358 gen_op_sub32(flag, flag, gen_im32(2));
2359 gen_op_jmp_z32(flag, l1);
2361 case 13: /* ule (!=1) */
2362 gen_op_sub32(flag, flag, gen_im32(1));
2363 gen_op_jmp_nz32(flag, l1);
2365 case 14: /* ne (!=0) */
2366 gen_op_jmp_nz32(flag, l1);
2369 gen_op_mov32(flag, gen_im32(1));
2372 gen_jmp_tb(s, 0, s->pc);
2374 gen_jmp_tb(s, 1, addr + offset);
2377 DISAS_INSN(frestore)
2379 /* TODO: Implement frestore. */
2380 qemu_assert(0, "FRESTORE not implemented");
2385 /* TODO: Implement fsave. */
2386 qemu_assert(0, "FSAVE not implemented");
2389 static disas_proc opcode_table[65536];
2392 register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask)
2398 /* Sanity check. All set bits must be included in the mask. */
2401 /* This could probably be cleverer. For now just optimize the case where
2402 the top bits are known. */
2403 /* Find the first zero bit in the mask. */
2405 while ((i & mask) != 0)
2407 /* Iterate over all combinations of this and lower bits. */
2412 from = opcode & ~(i - 1);
2414 for (i = from; i < to; i++) {
2415 if ((i & mask) == opcode)
2416 opcode_table[i] = proc;
2420 /* Register m68k opcode handlers. Order is important.
2421 Later insn override earlier ones. */
2422 void register_m68k_insns (CPUM68KState *env)
2424 #define INSN(name, opcode, mask, feature) \
2425 if (m68k_feature(env, M68K_FEATURE_##feature)) \
2426 register_opcode(disas_##name, 0x##opcode, 0x##mask)
2427 INSN(undef, 0000, 0000, CF_ISA_A);
2428 INSN(arith_im, 0080, fff8, CF_ISA_A);
2429 INSN(bitrev, 00c0, fff8, CF_ISA_C);
2430 INSN(bitop_reg, 0100, f1c0, CF_ISA_A);
2431 INSN(bitop_reg, 0140, f1c0, CF_ISA_A);
2432 INSN(bitop_reg, 0180, f1c0, CF_ISA_A);
2433 INSN(bitop_reg, 01c0, f1c0, CF_ISA_A);
2434 INSN(arith_im, 0280, fff8, CF_ISA_A);
2435 INSN(byterev, 02c0, fff8, CF_ISA_A);
2436 INSN(arith_im, 0480, fff8, CF_ISA_A);
2437 INSN(ff1, 04c0, fff8, CF_ISA_C);
2438 INSN(arith_im, 0680, fff8, CF_ISA_A);
2439 INSN(bitop_im, 0800, ffc0, CF_ISA_A);
2440 INSN(bitop_im, 0840, ffc0, CF_ISA_A);
2441 INSN(bitop_im, 0880, ffc0, CF_ISA_A);
2442 INSN(bitop_im, 08c0, ffc0, CF_ISA_A);
2443 INSN(arith_im, 0a80, fff8, CF_ISA_A);
2444 INSN(arith_im, 0c00, ff38, CF_ISA_A);
2445 INSN(move, 1000, f000, CF_ISA_A);
2446 INSN(move, 2000, f000, CF_ISA_A);
2447 INSN(move, 3000, f000, CF_ISA_A);
2448 INSN(strldsr, 40e7, ffff, CF_ISA_A);
2449 INSN(negx, 4080, fff8, CF_ISA_A);
2450 INSN(move_from_sr, 40c0, fff8, CF_ISA_A);
2451 INSN(lea, 41c0, f1c0, CF_ISA_A);
2452 INSN(clr, 4200, ff00, CF_ISA_A);
2453 INSN(undef, 42c0, ffc0, CF_ISA_A);
2454 INSN(move_from_ccr, 42c0, fff8, CF_ISA_A);
2455 INSN(neg, 4480, fff8, CF_ISA_A);
2456 INSN(move_to_ccr, 44c0, ffc0, CF_ISA_A);
2457 INSN(not, 4680, fff8, CF_ISA_A);
2458 INSN(move_to_sr, 46c0, ffc0, CF_ISA_A);
2459 INSN(pea, 4840, ffc0, CF_ISA_A);
2460 INSN(swap, 4840, fff8, CF_ISA_A);
2461 INSN(movem, 48c0, fbc0, CF_ISA_A);
2462 INSN(ext, 4880, fff8, CF_ISA_A);
2463 INSN(ext, 48c0, fff8, CF_ISA_A);
2464 INSN(ext, 49c0, fff8, CF_ISA_A);
2465 INSN(tst, 4a00, ff00, CF_ISA_A);
2466 INSN(tas, 4ac0, ffc0, CF_ISA_B);
2467 INSN(halt, 4ac8, ffff, CF_ISA_A);
2468 INSN(pulse, 4acc, ffff, CF_ISA_A);
2469 INSN(illegal, 4afc, ffff, CF_ISA_A);
2470 INSN(mull, 4c00, ffc0, CF_ISA_A);
2471 INSN(divl, 4c40, ffc0, CF_ISA_A);
2472 INSN(sats, 4c80, fff8, CF_ISA_B);
2473 INSN(trap, 4e40, fff0, CF_ISA_A);
2474 INSN(link, 4e50, fff8, CF_ISA_A);
2475 INSN(unlk, 4e58, fff8, CF_ISA_A);
2476 INSN(move_to_usp, 4e60, fff8, CF_ISA_B);
2477 INSN(move_from_usp, 4e68, fff8, CF_ISA_B);
2478 INSN(nop, 4e71, ffff, CF_ISA_A);
2479 INSN(stop, 4e72, ffff, CF_ISA_A);
2480 INSN(rte, 4e73, ffff, CF_ISA_A);
2481 INSN(rts, 4e75, ffff, CF_ISA_A);
2482 INSN(movec, 4e7b, ffff, CF_ISA_A);
2483 INSN(jump, 4e80, ffc0, CF_ISA_A);
2484 INSN(jump, 4ec0, ffc0, CF_ISA_A);
2485 INSN(addsubq, 5180, f1c0, CF_ISA_A);
2486 INSN(scc, 50c0, f0f8, CF_ISA_A);
2487 INSN(addsubq, 5080, f1c0, CF_ISA_A);
2488 INSN(tpf, 51f8, fff8, CF_ISA_A);
2489 INSN(branch, 6000, f000, CF_ISA_A);
2490 INSN(moveq, 7000, f100, CF_ISA_A);
2491 INSN(mvzs, 7100, f100, CF_ISA_B);
2492 INSN(or, 8000, f000, CF_ISA_A);
2493 INSN(divw, 80c0, f0c0, CF_ISA_A);
2494 INSN(addsub, 9000, f000, CF_ISA_A);
2495 INSN(subx, 9180, f1f8, CF_ISA_A);
2496 INSN(suba, 91c0, f1c0, CF_ISA_A);
2497 INSN(undef_mac, a000, f000, CF_ISA_A);
2498 INSN(mov3q, a140, f1c0, CF_ISA_B);
2499 INSN(cmp, b000, f1c0, CF_ISA_B); /* cmp.b */
2500 INSN(cmp, b040, f1c0, CF_ISA_B); /* cmp.w */
2501 INSN(cmpa, b0c0, f1c0, CF_ISA_B); /* cmpa.w */
2502 INSN(cmp, b080, f1c0, CF_ISA_A);
2503 INSN(cmpa, b1c0, f1c0, CF_ISA_A);
2504 INSN(eor, b180, f1c0, CF_ISA_A);
2505 INSN(and, c000, f000, CF_ISA_A);
2506 INSN(mulw, c0c0, f0c0, CF_ISA_A);
2507 INSN(addsub, d000, f000, CF_ISA_A);
2508 INSN(addx, d180, f1f8, CF_ISA_A);
2509 INSN(adda, d1c0, f1c0, CF_ISA_A);
2510 INSN(shift_im, e080, f0f0, CF_ISA_A);
2511 INSN(shift_reg, e0a0, f0f0, CF_ISA_A);
2512 INSN(undef_fpu, f000, f000, CF_ISA_A);
2513 INSN(fpu, f200, ffc0, CF_FPU);
2514 INSN(fbcc, f280, ffc0, CF_FPU);
2515 INSN(frestore, f340, ffc0, CF_FPU);
2516 INSN(fsave, f340, ffc0, CF_FPU);
2517 INSN(intouch, f340, ffc0, CF_ISA_A);
2518 INSN(cpushl, f428, ff38, CF_ISA_A);
2519 INSN(wddata, fb00, ff00, CF_ISA_A);
2520 INSN(wdebug, fbc0, ffc0, CF_ISA_A);
2524 /* ??? Some of this implementation is not exception safe. We should always
2525 write back the result to memory before setting the condition codes. */
2526 static void disas_m68k_insn(CPUState * env, DisasContext *s)
2530 insn = lduw_code(s->pc);
2533 opcode_table[insn](s, insn);
2537 /* Save the result of a floating point operation. */
2538 static void expand_op_fp_result(qOP *qop)
2540 gen_op_movf64(QREG_FP_RESULT, qop->args[0]);
2543 /* Dummy op to indicate that the flags have been set. */
2544 static void expand_op_flags_set(qOP *qop)
2548 /* Convert the confition codes into CC_OP_FLAGS format. */
2549 static void expand_op_flush_flags(qOP *qop)
2553 if (qop->args[0] == CC_OP_DYNAMIC)
2554 cc_opreg = QREG_CC_OP;
2556 cc_opreg = gen_im32(qop->args[0]);
2557 gen_op_helper32(QREG_NULL, cc_opreg, HELPER_flush_flags);
2560 /* Set CC_DEST after a logical or direct flag setting operation. */
2561 static void expand_op_logic_cc(qOP *qop)
2563 gen_op_mov32(QREG_CC_DEST, qop->args[0]);
2566 /* Set CC_SRC and CC_DEST after an arithmetic operation. */
2567 static void expand_op_update_cc_add(qOP *qop)
2569 gen_op_mov32(QREG_CC_DEST, qop->args[0]);
2570 gen_op_mov32(QREG_CC_SRC, qop->args[1]);
2573 /* Update the X flag. */
2574 static void expand_op_update_xflag(qOP *qop)
2579 arg0 = qop->args[0];
2580 arg1 = qop->args[1];
2581 if (arg1 == QREG_NULL) {
2583 gen_op_mov32(QREG_CC_X, arg0);
2585 /* CC_X = arg0 < (unsigned)arg1. */
2586 gen_op_set_ltu32(QREG_CC_X, arg0, arg1);
2590 /* Set arg0 to the contents of the X flag. */
2591 static void expand_op_get_xflag(qOP *qop)
2593 gen_op_mov32(qop->args[0], QREG_CC_X);
2596 /* Expand a shift by immediate. The ISA only allows shifts by 1-8, so we
2597 already know the shift is within range. */
2598 static inline void expand_shift_im(qOP *qop, int right, int arith)
2608 val = gen_new_qreg(QMODE_I32);
2609 gen_op_mov32(val, reg);
2610 gen_op_mov32(QREG_CC_DEST, val);
2611 gen_op_mov32(QREG_CC_SRC, tmp);
2614 gen_op_sar32(reg, val, tmp);
2616 gen_op_shr32(reg, val, tmp);
2621 tmp = gen_im32(im - 1);
2623 gen_op_shl32(reg, val, tmp);
2624 tmp = gen_im32(32 - im);
2626 if (tmp != QREG_NULL)
2627 gen_op_shr32(val, val, tmp);
2628 gen_op_and32(QREG_CC_X, val, gen_im32(1));
2631 static void expand_op_shl_im_cc(qOP *qop)
2633 expand_shift_im(qop, 0, 0);
2636 static void expand_op_shr_im_cc(qOP *qop)
2638 expand_shift_im(qop, 1, 0);
2641 static void expand_op_sar_im_cc(qOP *qop)
2643 expand_shift_im(qop, 1, 1);
2646 /* Expand a shift by register. */
2647 /* ??? This gives incorrect answers for shifts by 0 or >= 32 */
2648 static inline void expand_shift_reg(qOP *qop, int right, int arith)
2656 shift = qop->args[1];
2657 val = gen_new_qreg(QMODE_I32);
2658 gen_op_mov32(val, reg);
2659 gen_op_mov32(QREG_CC_DEST, val);
2660 gen_op_mov32(QREG_CC_SRC, shift);
2661 tmp = gen_new_qreg(QMODE_I32);
2664 gen_op_sar32(reg, val, shift);
2666 gen_op_shr32(reg, val, shift);
2668 gen_op_sub32(tmp, shift, gen_im32(1));
2670 gen_op_shl32(reg, val, shift);
2671 gen_op_sub32(tmp, gen_im32(31), shift);
2673 gen_op_shl32(val, val, tmp);
2674 gen_op_and32(QREG_CC_X, val, gen_im32(1));
2677 static void expand_op_shl_cc(qOP *qop)
2679 expand_shift_reg(qop, 0, 0);
2682 static void expand_op_shr_cc(qOP *qop)
2684 expand_shift_reg(qop, 1, 0);
2687 static void expand_op_sar_cc(qOP *qop)
2689 expand_shift_reg(qop, 1, 1);
2692 /* Set the Z flag to (arg0 & arg1) == 0. */
2693 static void expand_op_btest(qOP *qop)
2698 l1 = gen_new_label();
2699 tmp = gen_new_qreg(QMODE_I32);
2700 gen_op_and32(tmp, qop->args[0], qop->args[1]);
2701 gen_op_and32(QREG_CC_DEST, QREG_CC_DEST, gen_im32(~(uint32_t)CCF_Z));
2702 gen_op_jmp_nz32(tmp, l1);
2703 gen_op_or32(QREG_CC_DEST, QREG_CC_DEST, gen_im32(CCF_Z));
2707 /* arg0 += arg1 + CC_X */
2708 static void expand_op_addx_cc(qOP *qop)
2710 int arg0 = qop->args[0];
2711 int arg1 = qop->args[1];
2714 gen_op_add32 (arg0, arg0, arg1);
2715 l1 = gen_new_label();
2716 l2 = gen_new_label();
2717 gen_op_jmp_z32(QREG_CC_X, l1);
2718 gen_op_add32(arg0, arg0, gen_im32(1));
2719 gen_op_mov32(QREG_CC_OP, gen_im32(CC_OP_ADDX));
2720 gen_op_set_leu32(QREG_CC_X, arg0, arg1);
2723 gen_op_mov32(QREG_CC_OP, gen_im32(CC_OP_ADD));
2724 gen_op_set_ltu32(QREG_CC_X, arg0, arg1);
2728 /* arg0 -= arg1 + CC_X */
2729 static void expand_op_subx_cc(qOP *qop)
2731 int arg0 = qop->args[0];
2732 int arg1 = qop->args[1];
2735 l1 = gen_new_label();
2736 l2 = gen_new_label();
2737 gen_op_jmp_z32(QREG_CC_X, l1);
2738 gen_op_set_leu32(QREG_CC_X, arg0, arg1);
2739 gen_op_sub32(arg0, arg0, gen_im32(1));
2740 gen_op_mov32(QREG_CC_OP, gen_im32(CC_OP_SUBX));
2743 gen_op_set_ltu32(QREG_CC_X, arg0, arg1);
2744 gen_op_mov32(QREG_CC_OP, gen_im32(CC_OP_SUB));
2746 gen_op_sub32 (arg0, arg0, arg1);
2749 /* Expand target specific ops to generic qops. */
2750 static void expand_target_qops(void)
2756 /* Copy the list of qops, expanding target specific ops as we go. */
2757 qop = gen_first_qop;
2758 gen_first_qop = NULL;
2759 gen_last_qop = NULL;
2760 for (; qop; qop = next) {
2763 if (c < FIRST_TARGET_OP) {
2764 qop->prev = gen_last_qop;
2767 gen_last_qop->next = qop;
2769 gen_first_qop = qop;
2774 #define DEF(name, nargs, barrier) \
2775 case INDEX_op_##name: \
2776 expand_op_##name(qop); \
2778 #include "qop-target.def"
2781 cpu_abort(NULL, "Unexpanded target qop");
2786 /* ??? Implement this. */
2788 optimize_flags(void)
2793 /* generate intermediate code for basic block 'tb'. */
2795 gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
2798 DisasContext dc1, *dc = &dc1;
2799 uint16_t *gen_opc_end;
2801 target_ulong pc_start;
2805 /* generate intermediate code */
2810 gen_opc_ptr = gen_opc_buf;
2811 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
2812 gen_opparam_ptr = gen_opparam_buf;
2815 dc->is_jmp = DISAS_NEXT;
2817 dc->cc_op = CC_OP_DYNAMIC;
2818 dc->singlestep_enabled = env->singlestep_enabled;
2819 dc->fpcr = env->fpcr;
2820 dc->user = (env->sr & SR_S) == 0;
2825 pc_offset = dc->pc - pc_start;
2826 gen_throws_exception = NULL;
2827 if (env->nb_breakpoints > 0) {
2828 for(j = 0; j < env->nb_breakpoints; j++) {
2829 if (env->breakpoints[j] == dc->pc) {
2830 gen_exception(dc, dc->pc, EXCP_DEBUG);
2831 dc->is_jmp = DISAS_JUMP;
2839 j = gen_opc_ptr - gen_opc_buf;
2843 gen_opc_instr_start[lj++] = 0;
2845 gen_opc_pc[lj] = dc->pc;
2846 gen_opc_instr_start[lj] = 1;
2848 last_cc_op = dc->cc_op;
2849 disas_m68k_insn(env, dc);
2850 } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end &&
2851 !env->singlestep_enabled &&
2852 (pc_offset) < (TARGET_PAGE_SIZE - 32));
2854 if (__builtin_expect(env->singlestep_enabled, 0)) {
2855 /* Make sure the pc is updated, and raise a debug exception. */
2857 gen_flush_cc_op(dc);
2858 gen_op_mov32(QREG_PC, gen_im32((long)dc->pc));
2860 gen_op_raise_exception(EXCP_DEBUG);
2862 switch(dc->is_jmp) {
2864 gen_flush_cc_op(dc);
2865 gen_jmp_tb(dc, 0, dc->pc);
2870 gen_flush_cc_op(dc);
2871 /* indicate that the hash table must be used to find the next TB */
2872 gen_op_mov32(QREG_T0, gen_im32(0));
2876 /* nothing more to generate */
2880 *gen_opc_ptr = INDEX_op_end;
2883 if (loglevel & CPU_LOG_TB_IN_ASM) {
2884 fprintf(logfile, "----------------\n");
2885 fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
2886 target_disas(logfile, pc_start, dc->pc - pc_start, 0);
2887 fprintf(logfile, "\n");
2888 if (loglevel & (CPU_LOG_TB_OP)) {
2889 fprintf(logfile, "OP:\n");
2890 dump_ops(gen_opc_buf, gen_opparam_buf);
2891 fprintf(logfile, "\n");
2896 j = gen_opc_ptr - gen_opc_buf;
2899 gen_opc_instr_start[lj++] = 0;
2902 tb->size = dc->pc - pc_start;
2906 //expand_target_qops();
2910 int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
2912 return gen_intermediate_code_internal(env, tb, 0);
2915 int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
2917 return gen_intermediate_code_internal(env, tb, 1);
2920 void cpu_reset(CPUM68KState *env)
2922 memset(env, 0, offsetof(CPUM68KState, breakpoints));
2923 #if !defined (CONFIG_USER_ONLY)
2926 /* ??? FP regs should be initialized to NaN. */
2927 env->cc_op = CC_OP_FLAGS;
2928 /* TODO: We should set PC from the interrupt vector. */
2933 CPUM68KState *cpu_m68k_init(void)
2937 env = malloc(sizeof(CPUM68KState));
2946 void cpu_m68k_close(CPUM68KState *env)
2951 void cpu_dump_state(CPUState *env, FILE *f,
2952 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
2958 for (i = 0; i < 8; i++)
2960 u.d = env->fregs[i];
2961 cpu_fprintf (f, "D%d = %08x A%d = %08x F%d = %08x%08x (%12g)\n",
2962 i, env->dregs[i], i, env->aregs[i],
2963 i, u.l.upper, u.l.lower, u.d);
2965 cpu_fprintf (f, "PC = %08x ", env->pc);
2967 cpu_fprintf (f, "SR = %04x %c%c%c%c%c ", sr, (sr & 0x10) ? 'X' : '-',
2968 (sr & CCF_N) ? 'N' : '-', (sr & CCF_Z) ? 'Z' : '-',
2969 (sr & CCF_V) ? 'V' : '-', (sr & CCF_C) ? 'C' : '-');
2970 cpu_fprintf (f, "FPRESULT = %12g\n", env->fp_result);