1139c1837SPaolo Bonzini/* 2139c1837SPaolo Bonzini * CRISv10 emulation for qemu: main translation routines. 3139c1837SPaolo Bonzini * 4139c1837SPaolo Bonzini * Copyright (c) 2010 AXIS Communications AB 5139c1837SPaolo Bonzini * Written by Edgar E. Iglesias. 6139c1837SPaolo Bonzini * 7139c1837SPaolo Bonzini * This library is free software; you can redistribute it and/or 8139c1837SPaolo Bonzini * modify it under the terms of the GNU Lesser General Public 9139c1837SPaolo Bonzini * License as published by the Free Software Foundation; either 10bf1b52d1SChetan Pant * version 2.1 of the License, or (at your option) any later version. 11139c1837SPaolo Bonzini * 12139c1837SPaolo Bonzini * This library is distributed in the hope that it will be useful, 13139c1837SPaolo Bonzini * but WITHOUT ANY WARRANTY; without even the implied warranty of 14139c1837SPaolo Bonzini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15139c1837SPaolo Bonzini * Lesser General Public License for more details. 16139c1837SPaolo Bonzini * 17139c1837SPaolo Bonzini * You should have received a copy of the GNU Lesser General Public 18139c1837SPaolo Bonzini * License along with this library; if not, see <http://www.gnu.org/licenses/>. 19139c1837SPaolo Bonzini */ 20139c1837SPaolo Bonzini 21139c1837SPaolo Bonzini#include "qemu/osdep.h" 22139c1837SPaolo Bonzini#include "crisv10-decode.h" 23139c1837SPaolo Bonzini 245899ce68SRichard Hendersonstatic const char * const regnames_v10[] = 25139c1837SPaolo Bonzini{ 26139c1837SPaolo Bonzini "$r0", "$r1", "$r2", "$r3", 27139c1837SPaolo Bonzini "$r4", "$r5", "$r6", "$r7", 28139c1837SPaolo Bonzini "$r8", "$r9", "$r10", "$r11", 29139c1837SPaolo Bonzini "$r12", "$r13", "$sp", "$pc", 30139c1837SPaolo Bonzini}; 31139c1837SPaolo Bonzini 325899ce68SRichard Hendersonstatic const char * const pregnames_v10[] = 33139c1837SPaolo Bonzini{ 34139c1837SPaolo Bonzini "$bz", "$vr", "$p2", "$p3", 35139c1837SPaolo Bonzini "$wz", "$ccr", "$p6-prefix", "$mof", 36139c1837SPaolo Bonzini "$dz", "$ibr", "$irp", "$srp", 37139c1837SPaolo Bonzini "$bar", "$dccr", "$brp", "$usp", 38139c1837SPaolo Bonzini}; 39139c1837SPaolo Bonzini 40139c1837SPaolo Bonzini/* We need this table to handle preg-moves with implicit width. */ 415899ce68SRichard Hendersonstatic const int preg_sizes_v10[] = { 42139c1837SPaolo Bonzini 1, /* bz. */ 43139c1837SPaolo Bonzini 1, /* vr. */ 44139c1837SPaolo Bonzini 1, /* pid. */ 45139c1837SPaolo Bonzini 1, /* srs. */ 46139c1837SPaolo Bonzini 2, /* wz. */ 47139c1837SPaolo Bonzini 2, 2, 4, 48139c1837SPaolo Bonzini 4, 4, 4, 4, 49139c1837SPaolo Bonzini 4, 4, 4, 4, 50139c1837SPaolo Bonzini}; 51139c1837SPaolo Bonzini 52139c1837SPaolo Bonzinistatic inline int dec10_size(unsigned int size) 53139c1837SPaolo Bonzini{ 54139c1837SPaolo Bonzini size++; 55139c1837SPaolo Bonzini if (size == 3) 56139c1837SPaolo Bonzini size++; 57139c1837SPaolo Bonzini return size; 58139c1837SPaolo Bonzini} 59139c1837SPaolo Bonzini 60139c1837SPaolo Bonzinistatic inline void cris_illegal_insn(DisasContext *dc) 61139c1837SPaolo Bonzini{ 62139c1837SPaolo Bonzini qemu_log_mask(LOG_GUEST_ERROR, "illegal insn at pc=%x\n", dc->pc); 63139c1837SPaolo Bonzini t_gen_raise_exception(EXCP_BREAK); 641dd09c47SRichard Henderson dc->base.is_jmp = DISAS_NORETURN; 65139c1837SPaolo Bonzini} 66139c1837SPaolo Bonzini 67139c1837SPaolo Bonzinistatic void gen_store_v10_conditional(DisasContext *dc, TCGv addr, TCGv val, 68139c1837SPaolo Bonzini unsigned int size, int mem_index) 69139c1837SPaolo Bonzini{ 70139c1837SPaolo Bonzini TCGLabel *l1 = gen_new_label(); 715f153b12SRichard Henderson TCGv taddr = tcg_temp_new(); 725f153b12SRichard Henderson TCGv tval = tcg_temp_new(); 735f153b12SRichard Henderson TCGv t1 = tcg_temp_new(); 74139c1837SPaolo Bonzini dc->postinc = 0; 75139c1837SPaolo Bonzini cris_evaluate_flags(dc); 76139c1837SPaolo Bonzini 77139c1837SPaolo Bonzini tcg_gen_mov_tl(taddr, addr); 78139c1837SPaolo Bonzini tcg_gen_mov_tl(tval, val); 79139c1837SPaolo Bonzini 80139c1837SPaolo Bonzini /* Store only if F flag isn't set */ 81139c1837SPaolo Bonzini tcg_gen_andi_tl(t1, cpu_PR[PR_CCS], F_FLAG_V10); 82139c1837SPaolo Bonzini tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 83a9a9c3faSRichard Henderson 84a9a9c3faSRichard Henderson tcg_gen_qemu_st_tl(tval, taddr, mem_index, ctz32(size) | MO_TE); 85a9a9c3faSRichard Henderson 86139c1837SPaolo Bonzini gen_set_label(l1); 87139c1837SPaolo Bonzini tcg_gen_shri_tl(t1, t1, 1); /* shift F to P position */ 88139c1837SPaolo Bonzini tcg_gen_or_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], t1); /*P=F*/ 89139c1837SPaolo Bonzini} 90139c1837SPaolo Bonzini 91139c1837SPaolo Bonzinistatic void gen_store_v10(DisasContext *dc, TCGv addr, TCGv val, 92139c1837SPaolo Bonzini unsigned int size) 93139c1837SPaolo Bonzini{ 94139c1837SPaolo Bonzini /* If we get a fault on a delayslot we must keep the jmp state in 95139c1837SPaolo Bonzini the cpu-state to be able to re-execute the jmp. */ 96139c1837SPaolo Bonzini if (dc->delayed_branch == 1) { 97139c1837SPaolo Bonzini cris_store_direct_jmp(dc); 98139c1837SPaolo Bonzini } 99139c1837SPaolo Bonzini 1000ce97a31SRichard Henderson /* Conditional writes. */ 1010ce97a31SRichard Henderson if (dc->flags_x) { 10297fc0c21SRichard Henderson gen_store_v10_conditional(dc, addr, val, size, dc->mem_index); 103139c1837SPaolo Bonzini return; 104139c1837SPaolo Bonzini } 105139c1837SPaolo Bonzini 10697fc0c21SRichard Henderson tcg_gen_qemu_st_tl(val, addr, dc->mem_index, ctz32(size) | MO_TE); 107139c1837SPaolo Bonzini} 108139c1837SPaolo Bonzini 109139c1837SPaolo Bonzini 110139c1837SPaolo Bonzini/* Prefix flag and register are used to handle the more complex 111139c1837SPaolo Bonzini addressing modes. */ 112139c1837SPaolo Bonzinistatic void cris_set_prefix(DisasContext *dc) 113139c1837SPaolo Bonzini{ 114139c1837SPaolo Bonzini dc->clear_prefix = 0; 115139c1837SPaolo Bonzini dc->tb_flags |= PFIX_FLAG; 116139c1837SPaolo Bonzini tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], PFIX_FLAG); 117139c1837SPaolo Bonzini 118139c1837SPaolo Bonzini /* prefix insns don't clear the x flag. */ 119139c1837SPaolo Bonzini dc->clear_x = 0; 120139c1837SPaolo Bonzini cris_lock_irq(dc); 121139c1837SPaolo Bonzini} 122139c1837SPaolo Bonzini 123139c1837SPaolo Bonzinistatic void crisv10_prepare_memaddr(DisasContext *dc, 124139c1837SPaolo Bonzini TCGv addr, unsigned int size) 125139c1837SPaolo Bonzini{ 126139c1837SPaolo Bonzini if (dc->tb_flags & PFIX_FLAG) { 127139c1837SPaolo Bonzini tcg_gen_mov_tl(addr, cpu_PR[PR_PREFIX]); 128139c1837SPaolo Bonzini } else { 129139c1837SPaolo Bonzini tcg_gen_mov_tl(addr, cpu_R[dc->src]); 130139c1837SPaolo Bonzini } 131139c1837SPaolo Bonzini} 132139c1837SPaolo Bonzini 133139c1837SPaolo Bonzinistatic unsigned int crisv10_post_memaddr(DisasContext *dc, unsigned int size) 134139c1837SPaolo Bonzini{ 135139c1837SPaolo Bonzini unsigned int insn_len = 0; 136139c1837SPaolo Bonzini 137139c1837SPaolo Bonzini if (dc->tb_flags & PFIX_FLAG) { 138139c1837SPaolo Bonzini if (dc->mode == CRISV10_MODE_AUTOINC) { 139139c1837SPaolo Bonzini tcg_gen_mov_tl(cpu_R[dc->src], cpu_PR[PR_PREFIX]); 140139c1837SPaolo Bonzini } 141139c1837SPaolo Bonzini } else { 142139c1837SPaolo Bonzini if (dc->mode == CRISV10_MODE_AUTOINC) { 143139c1837SPaolo Bonzini if (dc->src == 15) { 144139c1837SPaolo Bonzini insn_len += size & ~1; 145139c1837SPaolo Bonzini } else { 146139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_R[dc->src], cpu_R[dc->src], size); 147139c1837SPaolo Bonzini } 148139c1837SPaolo Bonzini } 149139c1837SPaolo Bonzini } 150139c1837SPaolo Bonzini return insn_len; 151139c1837SPaolo Bonzini} 152139c1837SPaolo Bonzini 153139c1837SPaolo Bonzinistatic int dec10_prep_move_m(CPUCRISState *env, DisasContext *dc, 154139c1837SPaolo Bonzini int s_ext, int memsize, TCGv dst) 155139c1837SPaolo Bonzini{ 156139c1837SPaolo Bonzini unsigned int rs; 157139c1837SPaolo Bonzini uint32_t imm; 158139c1837SPaolo Bonzini int is_imm; 159139c1837SPaolo Bonzini int insn_len = 0; 160139c1837SPaolo Bonzini 161139c1837SPaolo Bonzini rs = dc->src; 162139c1837SPaolo Bonzini is_imm = rs == 15 && !(dc->tb_flags & PFIX_FLAG); 163139c1837SPaolo Bonzini LOG_DIS("rs=%d rd=%d is_imm=%d mode=%d pfix=%d\n", 164139c1837SPaolo Bonzini rs, dc->dst, is_imm, dc->mode, dc->tb_flags & PFIX_FLAG); 165139c1837SPaolo Bonzini 166139c1837SPaolo Bonzini /* Load [$rs] onto T1. */ 167139c1837SPaolo Bonzini if (is_imm) { 1681b1138caSRichard Henderson imm = cris_fetch(env, dc, dc->pc + 2, memsize, s_ext); 169139c1837SPaolo Bonzini 170139c1837SPaolo Bonzini tcg_gen_movi_tl(dst, imm); 171139c1837SPaolo Bonzini 172139c1837SPaolo Bonzini if (dc->mode == CRISV10_MODE_AUTOINC) { 173139c1837SPaolo Bonzini insn_len += memsize; 174139c1837SPaolo Bonzini if (memsize == 1) 175139c1837SPaolo Bonzini insn_len++; 176139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_R[15], cpu_R[15], insn_len); 177139c1837SPaolo Bonzini } 178139c1837SPaolo Bonzini } else { 179139c1837SPaolo Bonzini TCGv addr; 180139c1837SPaolo Bonzini 181139c1837SPaolo Bonzini addr = tcg_temp_new(); 182139c1837SPaolo Bonzini cris_flush_cc_state(dc); 183139c1837SPaolo Bonzini crisv10_prepare_memaddr(dc, addr, memsize); 184139c1837SPaolo Bonzini gen_load(dc, dst, addr, memsize, 0); 185139c1837SPaolo Bonzini if (s_ext) 186139c1837SPaolo Bonzini t_gen_sext(dst, dst, memsize); 187139c1837SPaolo Bonzini else 188139c1837SPaolo Bonzini t_gen_zext(dst, dst, memsize); 189139c1837SPaolo Bonzini insn_len += crisv10_post_memaddr(dc, memsize); 190139c1837SPaolo Bonzini } 191139c1837SPaolo Bonzini 192139c1837SPaolo Bonzini if (dc->mode == CRISV10_MODE_INDIRECT && (dc->tb_flags & PFIX_FLAG)) { 193139c1837SPaolo Bonzini dc->dst = dc->src; 194139c1837SPaolo Bonzini } 195139c1837SPaolo Bonzini return insn_len; 196139c1837SPaolo Bonzini} 197139c1837SPaolo Bonzini 198139c1837SPaolo Bonzinistatic unsigned int dec10_quick_imm(DisasContext *dc) 199139c1837SPaolo Bonzini{ 200139c1837SPaolo Bonzini int32_t imm, simm; 201139c1837SPaolo Bonzini int op; 202fd52deeaSStefan Sandstrom TCGv c; 203139c1837SPaolo Bonzini 204139c1837SPaolo Bonzini /* sign extend. */ 205139c1837SPaolo Bonzini imm = dc->ir & ((1 << 6) - 1); 206139c1837SPaolo Bonzini simm = (int8_t) (imm << 2); 207139c1837SPaolo Bonzini simm >>= 2; 208139c1837SPaolo Bonzini switch (dc->opcode) { 209139c1837SPaolo Bonzini case CRISV10_QIMM_BDAP_R0: 210139c1837SPaolo Bonzini case CRISV10_QIMM_BDAP_R1: 211139c1837SPaolo Bonzini case CRISV10_QIMM_BDAP_R2: 212139c1837SPaolo Bonzini case CRISV10_QIMM_BDAP_R3: 213139c1837SPaolo Bonzini simm = (int8_t)dc->ir; 214139c1837SPaolo Bonzini LOG_DIS("bdap %d $r%d\n", simm, dc->dst); 215139c1837SPaolo Bonzini LOG_DIS("pc=%x mode=%x quickimm %d r%d r%d\n", 216139c1837SPaolo Bonzini dc->pc, dc->mode, dc->opcode, dc->src, dc->dst); 217139c1837SPaolo Bonzini cris_set_prefix(dc); 218139c1837SPaolo Bonzini if (dc->dst == 15) { 219139c1837SPaolo Bonzini tcg_gen_movi_tl(cpu_PR[PR_PREFIX], dc->pc + 2 + simm); 220139c1837SPaolo Bonzini } else { 221139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_PR[PR_PREFIX], cpu_R[dc->dst], simm); 222139c1837SPaolo Bonzini } 223139c1837SPaolo Bonzini break; 224139c1837SPaolo Bonzini 225139c1837SPaolo Bonzini case CRISV10_QIMM_MOVEQ: 226139c1837SPaolo Bonzini LOG_DIS("moveq %d, $r%d\n", simm, dc->dst); 227139c1837SPaolo Bonzini 228139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 229ab554f17SRichard Henderson c = tcg_constant_tl(simm); 230139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MOVE, cpu_R[dc->dst], 231fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 232139c1837SPaolo Bonzini break; 233139c1837SPaolo Bonzini case CRISV10_QIMM_CMPQ: 234139c1837SPaolo Bonzini LOG_DIS("cmpq %d, $r%d\n", simm, dc->dst); 235139c1837SPaolo Bonzini 236139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 237ab554f17SRichard Henderson c = tcg_constant_tl(simm); 238139c1837SPaolo Bonzini cris_alu(dc, CC_OP_CMP, cpu_R[dc->dst], 239fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 240139c1837SPaolo Bonzini break; 241139c1837SPaolo Bonzini case CRISV10_QIMM_ADDQ: 242139c1837SPaolo Bonzini LOG_DIS("addq %d, $r%d\n", imm, dc->dst); 243139c1837SPaolo Bonzini 244139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 245ab554f17SRichard Henderson c = tcg_constant_tl(imm); 246139c1837SPaolo Bonzini cris_alu(dc, CC_OP_ADD, cpu_R[dc->dst], 247fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 248139c1837SPaolo Bonzini break; 249139c1837SPaolo Bonzini case CRISV10_QIMM_ANDQ: 250139c1837SPaolo Bonzini LOG_DIS("andq %d, $r%d\n", simm, dc->dst); 251139c1837SPaolo Bonzini 252139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 253ab554f17SRichard Henderson c = tcg_constant_tl(simm); 254139c1837SPaolo Bonzini cris_alu(dc, CC_OP_AND, cpu_R[dc->dst], 255fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 256139c1837SPaolo Bonzini break; 257139c1837SPaolo Bonzini case CRISV10_QIMM_ASHQ: 258139c1837SPaolo Bonzini LOG_DIS("ashq %d, $r%d\n", simm, dc->dst); 259139c1837SPaolo Bonzini 260139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 261139c1837SPaolo Bonzini op = imm & (1 << 5); 262139c1837SPaolo Bonzini imm &= 0x1f; 263ab554f17SRichard Henderson c = tcg_constant_tl(imm); 264139c1837SPaolo Bonzini if (op) { 265139c1837SPaolo Bonzini cris_alu(dc, CC_OP_ASR, cpu_R[dc->dst], 266fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 267139c1837SPaolo Bonzini } else { 268139c1837SPaolo Bonzini /* BTST */ 269139c1837SPaolo Bonzini cris_update_cc_op(dc, CC_OP_FLAGS, 4); 270ad75a51eSRichard Henderson gen_helper_btst(cpu_PR[PR_CCS], tcg_env, cpu_R[dc->dst], 271fd52deeaSStefan Sandstrom c, cpu_PR[PR_CCS]); 272139c1837SPaolo Bonzini } 273139c1837SPaolo Bonzini break; 274139c1837SPaolo Bonzini case CRISV10_QIMM_LSHQ: 275139c1837SPaolo Bonzini LOG_DIS("lshq %d, $r%d\n", simm, dc->dst); 276139c1837SPaolo Bonzini 277139c1837SPaolo Bonzini op = CC_OP_LSL; 278139c1837SPaolo Bonzini if (imm & (1 << 5)) { 279139c1837SPaolo Bonzini op = CC_OP_LSR; 280139c1837SPaolo Bonzini } 281139c1837SPaolo Bonzini imm &= 0x1f; 282139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 283ab554f17SRichard Henderson c = tcg_constant_tl(imm); 284139c1837SPaolo Bonzini cris_alu(dc, op, cpu_R[dc->dst], 285fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 286139c1837SPaolo Bonzini break; 287139c1837SPaolo Bonzini case CRISV10_QIMM_SUBQ: 288139c1837SPaolo Bonzini LOG_DIS("subq %d, $r%d\n", imm, dc->dst); 289139c1837SPaolo Bonzini 290139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 291ab554f17SRichard Henderson c = tcg_constant_tl(imm); 292139c1837SPaolo Bonzini cris_alu(dc, CC_OP_SUB, cpu_R[dc->dst], 293fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 294139c1837SPaolo Bonzini break; 295139c1837SPaolo Bonzini case CRISV10_QIMM_ORQ: 296139c1837SPaolo Bonzini LOG_DIS("andq %d, $r%d\n", simm, dc->dst); 297139c1837SPaolo Bonzini 298139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 299ab554f17SRichard Henderson c = tcg_constant_tl(simm); 300139c1837SPaolo Bonzini cris_alu(dc, CC_OP_OR, cpu_R[dc->dst], 301fd52deeaSStefan Sandstrom cpu_R[dc->dst], c, 4); 302139c1837SPaolo Bonzini break; 303139c1837SPaolo Bonzini 304139c1837SPaolo Bonzini case CRISV10_QIMM_BCC_R0: 305139c1837SPaolo Bonzini case CRISV10_QIMM_BCC_R1: 306139c1837SPaolo Bonzini case CRISV10_QIMM_BCC_R2: 307139c1837SPaolo Bonzini case CRISV10_QIMM_BCC_R3: 308139c1837SPaolo Bonzini imm = dc->ir & 0xff; 309139c1837SPaolo Bonzini /* bit 0 is a sign bit. */ 310139c1837SPaolo Bonzini if (imm & 1) { 311139c1837SPaolo Bonzini imm |= 0xffffff00; /* sign extend. */ 312139c1837SPaolo Bonzini imm &= ~1; /* get rid of the sign bit. */ 313139c1837SPaolo Bonzini } 314139c1837SPaolo Bonzini imm += 2; 315139c1837SPaolo Bonzini LOG_DIS("b%s %d\n", cc_name(dc->cond), imm); 316139c1837SPaolo Bonzini 317139c1837SPaolo Bonzini cris_cc_mask(dc, 0); 318139c1837SPaolo Bonzini cris_prepare_cc_branch(dc, imm, dc->cond); 319139c1837SPaolo Bonzini break; 320139c1837SPaolo Bonzini 321139c1837SPaolo Bonzini default: 322139c1837SPaolo Bonzini LOG_DIS("pc=%x mode=%x quickimm %d r%d r%d\n", 323139c1837SPaolo Bonzini dc->pc, dc->mode, dc->opcode, dc->src, dc->dst); 324139c1837SPaolo Bonzini cpu_abort(CPU(dc->cpu), "Unhandled quickimm\n"); 325139c1837SPaolo Bonzini break; 326139c1837SPaolo Bonzini } 327139c1837SPaolo Bonzini return 2; 328139c1837SPaolo Bonzini} 329139c1837SPaolo Bonzini 330139c1837SPaolo Bonzinistatic unsigned int dec10_setclrf(DisasContext *dc) 331139c1837SPaolo Bonzini{ 332139c1837SPaolo Bonzini uint32_t flags; 333139c1837SPaolo Bonzini unsigned int set = ~dc->opcode & 1; 334139c1837SPaolo Bonzini 335139c1837SPaolo Bonzini flags = EXTRACT_FIELD(dc->ir, 0, 3) 336139c1837SPaolo Bonzini | (EXTRACT_FIELD(dc->ir, 12, 15) << 4); 337139c1837SPaolo Bonzini LOG_DIS("%s set=%d flags=%x\n", __func__, set, flags); 338139c1837SPaolo Bonzini 339139c1837SPaolo Bonzini 340139c1837SPaolo Bonzini if (flags & X_FLAG) { 341139c1837SPaolo Bonzini if (set) 342139c1837SPaolo Bonzini dc->flags_x = X_FLAG; 343139c1837SPaolo Bonzini else 344139c1837SPaolo Bonzini dc->flags_x = 0; 345139c1837SPaolo Bonzini } 346139c1837SPaolo Bonzini 347139c1837SPaolo Bonzini cris_evaluate_flags (dc); 348139c1837SPaolo Bonzini cris_update_cc_op(dc, CC_OP_FLAGS, 4); 349139c1837SPaolo Bonzini cris_update_cc_x(dc); 350139c1837SPaolo Bonzini tcg_gen_movi_tl(cc_op, dc->cc_op); 351139c1837SPaolo Bonzini 352139c1837SPaolo Bonzini if (set) { 353139c1837SPaolo Bonzini tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], flags); 354139c1837SPaolo Bonzini } else { 355139c1837SPaolo Bonzini tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], 356139c1837SPaolo Bonzini ~(flags|F_FLAG_V10|P_FLAG_V10)); 357139c1837SPaolo Bonzini } 358139c1837SPaolo Bonzini 359139c1837SPaolo Bonzini dc->flags_uptodate = 1; 360139c1837SPaolo Bonzini dc->clear_x = 0; 361139c1837SPaolo Bonzini cris_lock_irq(dc); 362139c1837SPaolo Bonzini return 2; 363139c1837SPaolo Bonzini} 364139c1837SPaolo Bonzini 365139c1837SPaolo Bonzinistatic inline void dec10_reg_prep_sext(DisasContext *dc, int size, int sext, 366139c1837SPaolo Bonzini TCGv dd, TCGv ds, TCGv sd, TCGv ss) 367139c1837SPaolo Bonzini{ 368139c1837SPaolo Bonzini if (sext) { 369139c1837SPaolo Bonzini t_gen_sext(dd, sd, size); 370139c1837SPaolo Bonzini t_gen_sext(ds, ss, size); 371139c1837SPaolo Bonzini } else { 372139c1837SPaolo Bonzini t_gen_zext(dd, sd, size); 373139c1837SPaolo Bonzini t_gen_zext(ds, ss, size); 374139c1837SPaolo Bonzini } 375139c1837SPaolo Bonzini} 376139c1837SPaolo Bonzini 377139c1837SPaolo Bonzinistatic void dec10_reg_alu(DisasContext *dc, int op, int size, int sext) 378139c1837SPaolo Bonzini{ 379139c1837SPaolo Bonzini TCGv t[2]; 380139c1837SPaolo Bonzini 381139c1837SPaolo Bonzini t[0] = tcg_temp_new(); 382139c1837SPaolo Bonzini t[1] = tcg_temp_new(); 383139c1837SPaolo Bonzini dec10_reg_prep_sext(dc, size, sext, 384139c1837SPaolo Bonzini t[0], t[1], cpu_R[dc->dst], cpu_R[dc->src]); 385139c1837SPaolo Bonzini 386139c1837SPaolo Bonzini if (op == CC_OP_LSL || op == CC_OP_LSR || op == CC_OP_ASR) { 387139c1837SPaolo Bonzini tcg_gen_andi_tl(t[1], t[1], 63); 388139c1837SPaolo Bonzini } 389139c1837SPaolo Bonzini 390139c1837SPaolo Bonzini assert(dc->dst != 15); 391139c1837SPaolo Bonzini cris_alu(dc, op, cpu_R[dc->dst], t[0], t[1], size); 392139c1837SPaolo Bonzini} 393139c1837SPaolo Bonzini 394139c1837SPaolo Bonzinistatic void dec10_reg_bound(DisasContext *dc, int size) 395139c1837SPaolo Bonzini{ 396139c1837SPaolo Bonzini TCGv t; 397139c1837SPaolo Bonzini 3985f153b12SRichard Henderson t = tcg_temp_new(); 399139c1837SPaolo Bonzini t_gen_zext(t, cpu_R[dc->src], size); 400139c1837SPaolo Bonzini cris_alu(dc, CC_OP_BOUND, cpu_R[dc->dst], cpu_R[dc->dst], t, 4); 401139c1837SPaolo Bonzini} 402139c1837SPaolo Bonzini 403139c1837SPaolo Bonzinistatic void dec10_reg_mul(DisasContext *dc, int size, int sext) 404139c1837SPaolo Bonzini{ 405139c1837SPaolo Bonzini int op = sext ? CC_OP_MULS : CC_OP_MULU; 406139c1837SPaolo Bonzini TCGv t[2]; 407139c1837SPaolo Bonzini 408139c1837SPaolo Bonzini t[0] = tcg_temp_new(); 409139c1837SPaolo Bonzini t[1] = tcg_temp_new(); 410139c1837SPaolo Bonzini dec10_reg_prep_sext(dc, size, sext, 411139c1837SPaolo Bonzini t[0], t[1], cpu_R[dc->dst], cpu_R[dc->src]); 412139c1837SPaolo Bonzini 413139c1837SPaolo Bonzini cris_alu(dc, op, cpu_R[dc->dst], t[0], t[1], 4); 414139c1837SPaolo Bonzini} 415139c1837SPaolo Bonzini 416139c1837SPaolo Bonzini 417139c1837SPaolo Bonzinistatic void dec10_reg_movs(DisasContext *dc) 418139c1837SPaolo Bonzini{ 419139c1837SPaolo Bonzini int size = (dc->size & 1) + 1; 420139c1837SPaolo Bonzini TCGv t; 421139c1837SPaolo Bonzini 422139c1837SPaolo Bonzini LOG_DIS("movx.%d $r%d, $r%d\n", size, dc->src, dc->dst); 423139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 424139c1837SPaolo Bonzini 425139c1837SPaolo Bonzini t = tcg_temp_new(); 426139c1837SPaolo Bonzini if (dc->ir & 32) 427139c1837SPaolo Bonzini t_gen_sext(t, cpu_R[dc->src], size); 428139c1837SPaolo Bonzini else 429139c1837SPaolo Bonzini t_gen_zext(t, cpu_R[dc->src], size); 430139c1837SPaolo Bonzini 431139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MOVE, cpu_R[dc->dst], cpu_R[dc->dst], t, 4); 432139c1837SPaolo Bonzini} 433139c1837SPaolo Bonzini 434139c1837SPaolo Bonzinistatic void dec10_reg_alux(DisasContext *dc, int op) 435139c1837SPaolo Bonzini{ 436139c1837SPaolo Bonzini int size = (dc->size & 1) + 1; 437139c1837SPaolo Bonzini TCGv t; 438139c1837SPaolo Bonzini 439139c1837SPaolo Bonzini LOG_DIS("movx.%d $r%d, $r%d\n", size, dc->src, dc->dst); 440139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 441139c1837SPaolo Bonzini 442139c1837SPaolo Bonzini t = tcg_temp_new(); 443139c1837SPaolo Bonzini if (dc->ir & 32) 444139c1837SPaolo Bonzini t_gen_sext(t, cpu_R[dc->src], size); 445139c1837SPaolo Bonzini else 446139c1837SPaolo Bonzini t_gen_zext(t, cpu_R[dc->src], size); 447139c1837SPaolo Bonzini 448139c1837SPaolo Bonzini cris_alu(dc, op, cpu_R[dc->dst], cpu_R[dc->dst], t, 4); 449139c1837SPaolo Bonzini} 450139c1837SPaolo Bonzini 451139c1837SPaolo Bonzinistatic void dec10_reg_mov_pr(DisasContext *dc) 452139c1837SPaolo Bonzini{ 453139c1837SPaolo Bonzini LOG_DIS("move p%d r%d sz=%d\n", dc->dst, dc->src, preg_sizes_v10[dc->dst]); 454139c1837SPaolo Bonzini cris_lock_irq(dc); 455139c1837SPaolo Bonzini if (dc->src == 15) { 456139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_PR[dc->dst]); 457139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 458139c1837SPaolo Bonzini return; 459139c1837SPaolo Bonzini } 460139c1837SPaolo Bonzini if (dc->dst == PR_CCS) { 461139c1837SPaolo Bonzini cris_evaluate_flags(dc); 462139c1837SPaolo Bonzini } 463139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MOVE, cpu_R[dc->src], 464139c1837SPaolo Bonzini cpu_R[dc->src], cpu_PR[dc->dst], preg_sizes_v10[dc->dst]); 465139c1837SPaolo Bonzini} 466139c1837SPaolo Bonzini 467139c1837SPaolo Bonzinistatic void dec10_reg_abs(DisasContext *dc) 468139c1837SPaolo Bonzini{ 469139c1837SPaolo Bonzini TCGv t0; 470139c1837SPaolo Bonzini 471139c1837SPaolo Bonzini LOG_DIS("abs $r%u, $r%u\n", dc->src, dc->dst); 472139c1837SPaolo Bonzini 473139c1837SPaolo Bonzini assert(dc->dst != 15); 474139c1837SPaolo Bonzini t0 = tcg_temp_new(); 475139c1837SPaolo Bonzini tcg_gen_sari_tl(t0, cpu_R[dc->src], 31); 476139c1837SPaolo Bonzini tcg_gen_xor_tl(cpu_R[dc->dst], cpu_R[dc->src], t0); 477139c1837SPaolo Bonzini tcg_gen_sub_tl(t0, cpu_R[dc->dst], t0); 478139c1837SPaolo Bonzini 479139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MOVE, cpu_R[dc->dst], cpu_R[dc->dst], t0, 4); 480139c1837SPaolo Bonzini} 481139c1837SPaolo Bonzini 482139c1837SPaolo Bonzinistatic void dec10_reg_swap(DisasContext *dc) 483139c1837SPaolo Bonzini{ 484139c1837SPaolo Bonzini TCGv t0; 485139c1837SPaolo Bonzini 486139c1837SPaolo Bonzini LOG_DIS("not $r%d, $r%d\n", dc->src, dc->dst); 487139c1837SPaolo Bonzini 488139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 489139c1837SPaolo Bonzini t0 = tcg_temp_new(); 490139c1837SPaolo Bonzini tcg_gen_mov_tl(t0, cpu_R[dc->src]); 491139c1837SPaolo Bonzini if (dc->dst & 8) 492139c1837SPaolo Bonzini tcg_gen_not_tl(t0, t0); 493139c1837SPaolo Bonzini if (dc->dst & 4) 494139c1837SPaolo Bonzini t_gen_swapw(t0, t0); 495139c1837SPaolo Bonzini if (dc->dst & 2) 496139c1837SPaolo Bonzini t_gen_swapb(t0, t0); 497139c1837SPaolo Bonzini if (dc->dst & 1) 498139c1837SPaolo Bonzini t_gen_swapr(t0, t0); 499139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MOVE, cpu_R[dc->src], cpu_R[dc->src], t0, 4); 500139c1837SPaolo Bonzini} 501139c1837SPaolo Bonzini 502139c1837SPaolo Bonzinistatic void dec10_reg_scc(DisasContext *dc) 503139c1837SPaolo Bonzini{ 504139c1837SPaolo Bonzini int cond = dc->dst; 505139c1837SPaolo Bonzini 506139c1837SPaolo Bonzini LOG_DIS("s%s $r%u\n", cc_name(cond), dc->src); 507139c1837SPaolo Bonzini 508139c1837SPaolo Bonzini gen_tst_cc(dc, cpu_R[dc->src], cond); 509139c1837SPaolo Bonzini tcg_gen_setcondi_tl(TCG_COND_NE, cpu_R[dc->src], cpu_R[dc->src], 0); 510139c1837SPaolo Bonzini 511139c1837SPaolo Bonzini cris_cc_mask(dc, 0); 512139c1837SPaolo Bonzini} 513139c1837SPaolo Bonzini 514139c1837SPaolo Bonzinistatic unsigned int dec10_reg(DisasContext *dc) 515139c1837SPaolo Bonzini{ 516139c1837SPaolo Bonzini TCGv t; 517139c1837SPaolo Bonzini unsigned int insn_len = 2; 518139c1837SPaolo Bonzini unsigned int size = dec10_size(dc->size); 519139c1837SPaolo Bonzini unsigned int tmp; 520139c1837SPaolo Bonzini 521139c1837SPaolo Bonzini if (dc->size != 3) { 522139c1837SPaolo Bonzini switch (dc->opcode) { 523139c1837SPaolo Bonzini case CRISV10_REG_MOVE_R: 524139c1837SPaolo Bonzini LOG_DIS("move.%d $r%d, $r%d\n", dc->size, dc->src, dc->dst); 525139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 526139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_MOVE, size, 0); 527139c1837SPaolo Bonzini if (dc->dst == 15) { 528139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]); 529139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 530139c1837SPaolo Bonzini dc->delayed_branch = 1; 531139c1837SPaolo Bonzini } 532139c1837SPaolo Bonzini break; 533139c1837SPaolo Bonzini case CRISV10_REG_MOVX: 534139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 535139c1837SPaolo Bonzini dec10_reg_movs(dc); 536139c1837SPaolo Bonzini break; 537139c1837SPaolo Bonzini case CRISV10_REG_ADDX: 538139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 539139c1837SPaolo Bonzini dec10_reg_alux(dc, CC_OP_ADD); 540139c1837SPaolo Bonzini break; 541139c1837SPaolo Bonzini case CRISV10_REG_SUBX: 542139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 543139c1837SPaolo Bonzini dec10_reg_alux(dc, CC_OP_SUB); 544139c1837SPaolo Bonzini break; 545139c1837SPaolo Bonzini case CRISV10_REG_ADD: 546139c1837SPaolo Bonzini LOG_DIS("add $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 547139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 548139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_ADD, size, 0); 549139c1837SPaolo Bonzini break; 550139c1837SPaolo Bonzini case CRISV10_REG_SUB: 551139c1837SPaolo Bonzini LOG_DIS("sub $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 552139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 553139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_SUB, size, 0); 554139c1837SPaolo Bonzini break; 555139c1837SPaolo Bonzini case CRISV10_REG_CMP: 556139c1837SPaolo Bonzini LOG_DIS("cmp $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 557139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 558139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_CMP, size, 0); 559139c1837SPaolo Bonzini break; 560139c1837SPaolo Bonzini case CRISV10_REG_BOUND: 561139c1837SPaolo Bonzini LOG_DIS("bound $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 562139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 563139c1837SPaolo Bonzini dec10_reg_bound(dc, size); 564139c1837SPaolo Bonzini break; 565139c1837SPaolo Bonzini case CRISV10_REG_AND: 566139c1837SPaolo Bonzini LOG_DIS("and $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 567139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 568139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_AND, size, 0); 569139c1837SPaolo Bonzini break; 570139c1837SPaolo Bonzini case CRISV10_REG_ADDI: 571139c1837SPaolo Bonzini if (dc->src == 15) { 572139c1837SPaolo Bonzini /* nop. */ 573139c1837SPaolo Bonzini return 2; 574139c1837SPaolo Bonzini } 575139c1837SPaolo Bonzini t = tcg_temp_new(); 576139c1837SPaolo Bonzini LOG_DIS("addi r%d r%d size=%d\n", dc->src, dc->dst, dc->size); 577139c1837SPaolo Bonzini tcg_gen_shli_tl(t, cpu_R[dc->dst], dc->size & 3); 578139c1837SPaolo Bonzini tcg_gen_add_tl(cpu_R[dc->src], cpu_R[dc->src], t); 579139c1837SPaolo Bonzini break; 580139c1837SPaolo Bonzini case CRISV10_REG_LSL: 581139c1837SPaolo Bonzini LOG_DIS("lsl $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 582139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 583139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_LSL, size, 0); 584139c1837SPaolo Bonzini break; 585139c1837SPaolo Bonzini case CRISV10_REG_LSR: 586139c1837SPaolo Bonzini LOG_DIS("lsr $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 587139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 588139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_LSR, size, 0); 589139c1837SPaolo Bonzini break; 590139c1837SPaolo Bonzini case CRISV10_REG_ASR: 591139c1837SPaolo Bonzini LOG_DIS("asr $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 592139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 593139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_ASR, size, 1); 594139c1837SPaolo Bonzini break; 595139c1837SPaolo Bonzini case CRISV10_REG_OR: 596139c1837SPaolo Bonzini LOG_DIS("or $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 597139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 598139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_OR, size, 0); 599139c1837SPaolo Bonzini break; 600139c1837SPaolo Bonzini case CRISV10_REG_NEG: 601139c1837SPaolo Bonzini LOG_DIS("neg $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 602139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 603139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_NEG, size, 0); 604139c1837SPaolo Bonzini break; 605139c1837SPaolo Bonzini case CRISV10_REG_BIAP: 606139c1837SPaolo Bonzini LOG_DIS("BIAP pc=%x reg %d r%d r%d size=%d\n", dc->pc, 607139c1837SPaolo Bonzini dc->opcode, dc->src, dc->dst, size); 608139c1837SPaolo Bonzini switch (size) { 609139c1837SPaolo Bonzini case 4: tmp = 2; break; 610139c1837SPaolo Bonzini case 2: tmp = 1; break; 611139c1837SPaolo Bonzini case 1: tmp = 0; break; 612139c1837SPaolo Bonzini default: 613139c1837SPaolo Bonzini cpu_abort(CPU(dc->cpu), "Unhandled BIAP"); 614139c1837SPaolo Bonzini break; 615139c1837SPaolo Bonzini } 616139c1837SPaolo Bonzini 617139c1837SPaolo Bonzini t = tcg_temp_new(); 618139c1837SPaolo Bonzini tcg_gen_shli_tl(t, cpu_R[dc->dst], tmp); 619139c1837SPaolo Bonzini if (dc->src == 15) { 620139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_PR[PR_PREFIX], t, ((dc->pc +2)| 1) + 1); 621139c1837SPaolo Bonzini } else { 622139c1837SPaolo Bonzini tcg_gen_add_tl(cpu_PR[PR_PREFIX], cpu_R[dc->src], t); 623139c1837SPaolo Bonzini } 624139c1837SPaolo Bonzini cris_set_prefix(dc); 625139c1837SPaolo Bonzini break; 626139c1837SPaolo Bonzini 627139c1837SPaolo Bonzini default: 628139c1837SPaolo Bonzini LOG_DIS("pc=%x reg %d r%d r%d\n", dc->pc, 629139c1837SPaolo Bonzini dc->opcode, dc->src, dc->dst); 630139c1837SPaolo Bonzini cpu_abort(CPU(dc->cpu), "Unhandled opcode"); 631139c1837SPaolo Bonzini break; 632139c1837SPaolo Bonzini } 633139c1837SPaolo Bonzini } else { 634139c1837SPaolo Bonzini switch (dc->opcode) { 635139c1837SPaolo Bonzini case CRISV10_REG_MOVX: 636139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 637139c1837SPaolo Bonzini dec10_reg_movs(dc); 638139c1837SPaolo Bonzini break; 639139c1837SPaolo Bonzini case CRISV10_REG_ADDX: 640139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 641139c1837SPaolo Bonzini dec10_reg_alux(dc, CC_OP_ADD); 642139c1837SPaolo Bonzini break; 643139c1837SPaolo Bonzini case CRISV10_REG_SUBX: 644139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 645139c1837SPaolo Bonzini dec10_reg_alux(dc, CC_OP_SUB); 646139c1837SPaolo Bonzini break; 647139c1837SPaolo Bonzini case CRISV10_REG_MOVE_SPR_R: 648139c1837SPaolo Bonzini cris_evaluate_flags(dc); 649139c1837SPaolo Bonzini cris_cc_mask(dc, 0); 650139c1837SPaolo Bonzini dec10_reg_mov_pr(dc); 651139c1837SPaolo Bonzini break; 652139c1837SPaolo Bonzini case CRISV10_REG_MOVE_R_SPR: 653139c1837SPaolo Bonzini LOG_DIS("move r%d p%d\n", dc->src, dc->dst); 654139c1837SPaolo Bonzini cris_evaluate_flags(dc); 655139c1837SPaolo Bonzini if (dc->src != 11) /* fast for srp. */ 656139c1837SPaolo Bonzini dc->cpustate_changed = 1; 657139c1837SPaolo Bonzini t_gen_mov_preg_TN(dc, dc->dst, cpu_R[dc->src]); 658139c1837SPaolo Bonzini break; 659139c1837SPaolo Bonzini case CRISV10_REG_SETF: 660139c1837SPaolo Bonzini case CRISV10_REG_CLEARF: 661139c1837SPaolo Bonzini dec10_setclrf(dc); 662139c1837SPaolo Bonzini break; 663139c1837SPaolo Bonzini case CRISV10_REG_SWAP: 664139c1837SPaolo Bonzini dec10_reg_swap(dc); 665139c1837SPaolo Bonzini break; 666139c1837SPaolo Bonzini case CRISV10_REG_ABS: 667139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 668139c1837SPaolo Bonzini dec10_reg_abs(dc); 669139c1837SPaolo Bonzini break; 670139c1837SPaolo Bonzini case CRISV10_REG_LZ: 671139c1837SPaolo Bonzini LOG_DIS("lz $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 672139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 673139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_LZ, 4, 0); 674139c1837SPaolo Bonzini break; 675139c1837SPaolo Bonzini case CRISV10_REG_XOR: 676139c1837SPaolo Bonzini LOG_DIS("xor $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 677139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 678139c1837SPaolo Bonzini dec10_reg_alu(dc, CC_OP_XOR, 4, 0); 679139c1837SPaolo Bonzini break; 680139c1837SPaolo Bonzini case CRISV10_REG_BTST: 681139c1837SPaolo Bonzini LOG_DIS("btst $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 682139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 683139c1837SPaolo Bonzini cris_update_cc_op(dc, CC_OP_FLAGS, 4); 684ad75a51eSRichard Henderson gen_helper_btst(cpu_PR[PR_CCS], tcg_env, cpu_R[dc->dst], 685139c1837SPaolo Bonzini cpu_R[dc->src], cpu_PR[PR_CCS]); 686139c1837SPaolo Bonzini break; 687139c1837SPaolo Bonzini case CRISV10_REG_DSTEP: 688139c1837SPaolo Bonzini LOG_DIS("dstep $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 689139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 690139c1837SPaolo Bonzini cris_alu(dc, CC_OP_DSTEP, cpu_R[dc->dst], 691139c1837SPaolo Bonzini cpu_R[dc->dst], cpu_R[dc->src], 4); 692139c1837SPaolo Bonzini break; 693139c1837SPaolo Bonzini case CRISV10_REG_MSTEP: 694139c1837SPaolo Bonzini LOG_DIS("mstep $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); 695139c1837SPaolo Bonzini cris_evaluate_flags(dc); 696139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 697139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MSTEP, cpu_R[dc->dst], 698139c1837SPaolo Bonzini cpu_R[dc->dst], cpu_R[dc->src], 4); 699139c1837SPaolo Bonzini break; 700139c1837SPaolo Bonzini case CRISV10_REG_SCC: 701139c1837SPaolo Bonzini dec10_reg_scc(dc); 702139c1837SPaolo Bonzini break; 703139c1837SPaolo Bonzini default: 704139c1837SPaolo Bonzini LOG_DIS("pc=%x reg %d r%d r%d\n", dc->pc, 705139c1837SPaolo Bonzini dc->opcode, dc->src, dc->dst); 706139c1837SPaolo Bonzini cpu_abort(CPU(dc->cpu), "Unhandled opcode"); 707139c1837SPaolo Bonzini break; 708139c1837SPaolo Bonzini } 709139c1837SPaolo Bonzini } 710139c1837SPaolo Bonzini return insn_len; 711139c1837SPaolo Bonzini} 712139c1837SPaolo Bonzini 713139c1837SPaolo Bonzinistatic unsigned int dec10_ind_move_m_r(CPUCRISState *env, DisasContext *dc, 714139c1837SPaolo Bonzini unsigned int size) 715139c1837SPaolo Bonzini{ 716139c1837SPaolo Bonzini unsigned int insn_len = 2; 717139c1837SPaolo Bonzini TCGv t; 718139c1837SPaolo Bonzini 719139c1837SPaolo Bonzini LOG_DIS("%s: move.%d [$r%d], $r%d\n", __func__, 720139c1837SPaolo Bonzini size, dc->src, dc->dst); 721139c1837SPaolo Bonzini 722139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 723139c1837SPaolo Bonzini t = tcg_temp_new(); 724139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, 0, size, t); 725139c1837SPaolo Bonzini cris_alu(dc, CC_OP_MOVE, cpu_R[dc->dst], cpu_R[dc->dst], t, size); 726139c1837SPaolo Bonzini if (dc->dst == 15) { 727139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]); 728139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 729139c1837SPaolo Bonzini dc->delayed_branch = 1; 730139c1837SPaolo Bonzini } 731139c1837SPaolo Bonzini 732139c1837SPaolo Bonzini return insn_len; 733139c1837SPaolo Bonzini} 734139c1837SPaolo Bonzini 735139c1837SPaolo Bonzinistatic unsigned int dec10_ind_move_r_m(DisasContext *dc, unsigned int size) 736139c1837SPaolo Bonzini{ 737139c1837SPaolo Bonzini unsigned int insn_len = 2; 738139c1837SPaolo Bonzini TCGv addr; 739139c1837SPaolo Bonzini 740139c1837SPaolo Bonzini LOG_DIS("move.%d $r%d, [$r%d]\n", dc->size, dc->src, dc->dst); 741139c1837SPaolo Bonzini addr = tcg_temp_new(); 742139c1837SPaolo Bonzini crisv10_prepare_memaddr(dc, addr, size); 743139c1837SPaolo Bonzini gen_store_v10(dc, addr, cpu_R[dc->dst], size); 744139c1837SPaolo Bonzini insn_len += crisv10_post_memaddr(dc, size); 745139c1837SPaolo Bonzini 746139c1837SPaolo Bonzini return insn_len; 747139c1837SPaolo Bonzini} 748139c1837SPaolo Bonzini 749139c1837SPaolo Bonzinistatic unsigned int dec10_ind_move_m_pr(CPUCRISState *env, DisasContext *dc) 750139c1837SPaolo Bonzini{ 751139c1837SPaolo Bonzini unsigned int insn_len = 2, rd = dc->dst; 7527932f232SRichard Henderson TCGv t; 753139c1837SPaolo Bonzini 754139c1837SPaolo Bonzini LOG_DIS("move.%d $p%d, [$r%d]\n", dc->size, dc->dst, dc->src); 755139c1837SPaolo Bonzini cris_lock_irq(dc); 756139c1837SPaolo Bonzini 757139c1837SPaolo Bonzini t = tcg_temp_new(); 758139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, 0, 4, t); 759139c1837SPaolo Bonzini if (rd == 15) { 760139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, t); 761139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 762139c1837SPaolo Bonzini dc->delayed_branch = 1; 763fd52deeaSStefan Sandstrom } else { 764139c1837SPaolo Bonzini tcg_gen_mov_tl(cpu_PR[rd], t); 765139c1837SPaolo Bonzini dc->cpustate_changed = 1; 766fd52deeaSStefan Sandstrom } 767139c1837SPaolo Bonzini return insn_len; 768139c1837SPaolo Bonzini} 769139c1837SPaolo Bonzini 770139c1837SPaolo Bonzinistatic unsigned int dec10_ind_move_pr_m(DisasContext *dc) 771139c1837SPaolo Bonzini{ 772139c1837SPaolo Bonzini unsigned int insn_len = 2, size = preg_sizes_v10[dc->dst]; 773139c1837SPaolo Bonzini TCGv addr, t0; 774139c1837SPaolo Bonzini 775139c1837SPaolo Bonzini LOG_DIS("move.%d $p%d, [$r%d]\n", dc->size, dc->dst, dc->src); 776139c1837SPaolo Bonzini 777139c1837SPaolo Bonzini addr = tcg_temp_new(); 778139c1837SPaolo Bonzini crisv10_prepare_memaddr(dc, addr, size); 779139c1837SPaolo Bonzini if (dc->dst == PR_CCS) { 780139c1837SPaolo Bonzini t0 = tcg_temp_new(); 781139c1837SPaolo Bonzini cris_evaluate_flags(dc); 782139c1837SPaolo Bonzini tcg_gen_andi_tl(t0, cpu_PR[PR_CCS], ~PFIX_FLAG); 783139c1837SPaolo Bonzini gen_store_v10(dc, addr, t0, size); 784139c1837SPaolo Bonzini } else { 785139c1837SPaolo Bonzini gen_store_v10(dc, addr, cpu_PR[dc->dst], size); 786139c1837SPaolo Bonzini } 787139c1837SPaolo Bonzini insn_len += crisv10_post_memaddr(dc, size); 788139c1837SPaolo Bonzini cris_lock_irq(dc); 789139c1837SPaolo Bonzini 790139c1837SPaolo Bonzini return insn_len; 791139c1837SPaolo Bonzini} 792139c1837SPaolo Bonzini 793139c1837SPaolo Bonzinistatic void dec10_movem_r_m(DisasContext *dc) 794139c1837SPaolo Bonzini{ 795139c1837SPaolo Bonzini int i, pfix = dc->tb_flags & PFIX_FLAG; 796139c1837SPaolo Bonzini TCGv addr, t0; 797139c1837SPaolo Bonzini 798139c1837SPaolo Bonzini LOG_DIS("%s r%d, [r%d] pi=%d ir=%x\n", __func__, 799139c1837SPaolo Bonzini dc->dst, dc->src, dc->postinc, dc->ir); 800139c1837SPaolo Bonzini 801139c1837SPaolo Bonzini addr = tcg_temp_new(); 802139c1837SPaolo Bonzini t0 = tcg_temp_new(); 803139c1837SPaolo Bonzini crisv10_prepare_memaddr(dc, addr, 4); 804139c1837SPaolo Bonzini tcg_gen_mov_tl(t0, addr); 805139c1837SPaolo Bonzini for (i = dc->dst; i >= 0; i--) { 806139c1837SPaolo Bonzini if ((pfix && dc->mode == CRISV10_MODE_AUTOINC) && dc->src == i) { 807139c1837SPaolo Bonzini gen_store_v10(dc, addr, t0, 4); 808139c1837SPaolo Bonzini } else { 809139c1837SPaolo Bonzini gen_store_v10(dc, addr, cpu_R[i], 4); 810139c1837SPaolo Bonzini } 811139c1837SPaolo Bonzini tcg_gen_addi_tl(addr, addr, 4); 812139c1837SPaolo Bonzini } 813139c1837SPaolo Bonzini 814139c1837SPaolo Bonzini if (pfix && dc->mode == CRISV10_MODE_AUTOINC) { 815139c1837SPaolo Bonzini tcg_gen_mov_tl(cpu_R[dc->src], t0); 816139c1837SPaolo Bonzini } 817139c1837SPaolo Bonzini 818139c1837SPaolo Bonzini if (!pfix && dc->mode == CRISV10_MODE_AUTOINC) { 819139c1837SPaolo Bonzini tcg_gen_mov_tl(cpu_R[dc->src], addr); 820139c1837SPaolo Bonzini } 821139c1837SPaolo Bonzini} 822139c1837SPaolo Bonzini 823139c1837SPaolo Bonzinistatic void dec10_movem_m_r(DisasContext *dc) 824139c1837SPaolo Bonzini{ 825139c1837SPaolo Bonzini int i, pfix = dc->tb_flags & PFIX_FLAG; 826139c1837SPaolo Bonzini TCGv addr, t0; 827139c1837SPaolo Bonzini 828139c1837SPaolo Bonzini LOG_DIS("%s [r%d], r%d pi=%d ir=%x\n", __func__, 829139c1837SPaolo Bonzini dc->src, dc->dst, dc->postinc, dc->ir); 830139c1837SPaolo Bonzini 831139c1837SPaolo Bonzini addr = tcg_temp_new(); 832139c1837SPaolo Bonzini t0 = tcg_temp_new(); 833139c1837SPaolo Bonzini crisv10_prepare_memaddr(dc, addr, 4); 834139c1837SPaolo Bonzini tcg_gen_mov_tl(t0, addr); 835139c1837SPaolo Bonzini for (i = dc->dst; i >= 0; i--) { 836139c1837SPaolo Bonzini gen_load(dc, cpu_R[i], addr, 4, 0); 837139c1837SPaolo Bonzini tcg_gen_addi_tl(addr, addr, 4); 838139c1837SPaolo Bonzini } 839139c1837SPaolo Bonzini 840139c1837SPaolo Bonzini if (pfix && dc->mode == CRISV10_MODE_AUTOINC) { 841139c1837SPaolo Bonzini tcg_gen_mov_tl(cpu_R[dc->src], t0); 842139c1837SPaolo Bonzini } 843139c1837SPaolo Bonzini 844139c1837SPaolo Bonzini if (!pfix && dc->mode == CRISV10_MODE_AUTOINC) { 845139c1837SPaolo Bonzini tcg_gen_mov_tl(cpu_R[dc->src], addr); 846139c1837SPaolo Bonzini } 847139c1837SPaolo Bonzini} 848139c1837SPaolo Bonzini 849139c1837SPaolo Bonzinistatic int dec10_ind_alu(CPUCRISState *env, DisasContext *dc, 850139c1837SPaolo Bonzini int op, unsigned int size) 851139c1837SPaolo Bonzini{ 852139c1837SPaolo Bonzini int insn_len = 0; 853139c1837SPaolo Bonzini int rd = dc->dst; 854139c1837SPaolo Bonzini TCGv t[2]; 855139c1837SPaolo Bonzini 856139c1837SPaolo Bonzini cris_alu_m_alloc_temps(t); 857139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, 0, size, t[0]); 858139c1837SPaolo Bonzini cris_alu(dc, op, cpu_R[dc->dst], cpu_R[rd], t[0], size); 859139c1837SPaolo Bonzini if (dc->dst == 15) { 860139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]); 861139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 862139c1837SPaolo Bonzini dc->delayed_branch = 1; 863139c1837SPaolo Bonzini return insn_len; 864139c1837SPaolo Bonzini } 865139c1837SPaolo Bonzini return insn_len; 866139c1837SPaolo Bonzini} 867139c1837SPaolo Bonzini 868139c1837SPaolo Bonzinistatic int dec10_ind_bound(CPUCRISState *env, DisasContext *dc, 869139c1837SPaolo Bonzini unsigned int size) 870139c1837SPaolo Bonzini{ 871139c1837SPaolo Bonzini int insn_len = 0; 872139c1837SPaolo Bonzini int rd = dc->dst; 873139c1837SPaolo Bonzini TCGv t; 874139c1837SPaolo Bonzini 8755f153b12SRichard Henderson t = tcg_temp_new(); 876139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, 0, size, t); 877139c1837SPaolo Bonzini cris_alu(dc, CC_OP_BOUND, cpu_R[dc->dst], cpu_R[rd], t, 4); 878139c1837SPaolo Bonzini if (dc->dst == 15) { 879139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]); 880139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 881139c1837SPaolo Bonzini dc->delayed_branch = 1; 882139c1837SPaolo Bonzini } 883139c1837SPaolo Bonzini 884139c1837SPaolo Bonzini return insn_len; 885139c1837SPaolo Bonzini} 886139c1837SPaolo Bonzini 887139c1837SPaolo Bonzinistatic int dec10_alux_m(CPUCRISState *env, DisasContext *dc, int op) 888139c1837SPaolo Bonzini{ 889139c1837SPaolo Bonzini unsigned int size = (dc->size & 1) ? 2 : 1; 890139c1837SPaolo Bonzini unsigned int sx = !!(dc->size & 2); 891139c1837SPaolo Bonzini int insn_len = 2; 892139c1837SPaolo Bonzini int rd = dc->dst; 893139c1837SPaolo Bonzini TCGv t; 894139c1837SPaolo Bonzini 895139c1837SPaolo Bonzini LOG_DIS("addx size=%d sx=%d op=%d %d\n", size, sx, dc->src, dc->dst); 896139c1837SPaolo Bonzini 897139c1837SPaolo Bonzini t = tcg_temp_new(); 898139c1837SPaolo Bonzini 899139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 900139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, sx, size, t); 901139c1837SPaolo Bonzini cris_alu(dc, op, cpu_R[dc->dst], cpu_R[rd], t, 4); 902139c1837SPaolo Bonzini if (dc->dst == 15) { 903139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]); 904139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 905139c1837SPaolo Bonzini dc->delayed_branch = 1; 906139c1837SPaolo Bonzini } 907139c1837SPaolo Bonzini 908139c1837SPaolo Bonzini return insn_len; 909139c1837SPaolo Bonzini} 910139c1837SPaolo Bonzini 911139c1837SPaolo Bonzinistatic int dec10_dip(CPUCRISState *env, DisasContext *dc) 912139c1837SPaolo Bonzini{ 913139c1837SPaolo Bonzini int insn_len = 2; 914139c1837SPaolo Bonzini uint32_t imm; 915139c1837SPaolo Bonzini 916139c1837SPaolo Bonzini LOG_DIS("dip pc=%x opcode=%d r%d r%d\n", 917139c1837SPaolo Bonzini dc->pc, dc->opcode, dc->src, dc->dst); 918139c1837SPaolo Bonzini if (dc->src == 15) { 9191b1138caSRichard Henderson imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); 920139c1837SPaolo Bonzini tcg_gen_movi_tl(cpu_PR[PR_PREFIX], imm); 9211b1138caSRichard Henderson if (dc->postinc) { 922139c1837SPaolo Bonzini insn_len += 4; 9231b1138caSRichard Henderson } 924139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_R[15], cpu_R[15], insn_len - 2); 925139c1837SPaolo Bonzini } else { 926139c1837SPaolo Bonzini gen_load(dc, cpu_PR[PR_PREFIX], cpu_R[dc->src], 4, 0); 927139c1837SPaolo Bonzini if (dc->postinc) 928139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_R[dc->src], cpu_R[dc->src], 4); 929139c1837SPaolo Bonzini } 930139c1837SPaolo Bonzini 931139c1837SPaolo Bonzini cris_set_prefix(dc); 932139c1837SPaolo Bonzini return insn_len; 933139c1837SPaolo Bonzini} 934139c1837SPaolo Bonzini 935139c1837SPaolo Bonzinistatic int dec10_bdap_m(CPUCRISState *env, DisasContext *dc, int size) 936139c1837SPaolo Bonzini{ 937139c1837SPaolo Bonzini int insn_len = 2; 938139c1837SPaolo Bonzini int rd = dc->dst; 939139c1837SPaolo Bonzini 940139c1837SPaolo Bonzini LOG_DIS("bdap_m pc=%x opcode=%d r%d r%d sz=%d\n", 941139c1837SPaolo Bonzini dc->pc, dc->opcode, dc->src, dc->dst, size); 942139c1837SPaolo Bonzini 943139c1837SPaolo Bonzini assert(dc->dst != 15); 944139c1837SPaolo Bonzini#if 0 945139c1837SPaolo Bonzini /* 8bit embedded offset? */ 946139c1837SPaolo Bonzini if (!dc->postinc && (dc->ir & (1 << 11))) { 947139c1837SPaolo Bonzini int simm = dc->ir & 0xff; 948139c1837SPaolo Bonzini 949139c1837SPaolo Bonzini /* cpu_abort(CPU(dc->cpu), "Unhandled opcode"); */ 950139c1837SPaolo Bonzini /* sign extended. */ 951139c1837SPaolo Bonzini simm = (int8_t)simm; 952139c1837SPaolo Bonzini 953139c1837SPaolo Bonzini tcg_gen_addi_tl(cpu_PR[PR_PREFIX], cpu_R[dc->dst], simm); 954139c1837SPaolo Bonzini 955139c1837SPaolo Bonzini cris_set_prefix(dc); 956139c1837SPaolo Bonzini return insn_len; 957139c1837SPaolo Bonzini } 958139c1837SPaolo Bonzini#endif 959139c1837SPaolo Bonzini /* Now the rest of the modes are truly indirect. */ 960139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, 1, size, cpu_PR[PR_PREFIX]); 961139c1837SPaolo Bonzini tcg_gen_add_tl(cpu_PR[PR_PREFIX], cpu_PR[PR_PREFIX], cpu_R[rd]); 962139c1837SPaolo Bonzini cris_set_prefix(dc); 963139c1837SPaolo Bonzini return insn_len; 964139c1837SPaolo Bonzini} 965139c1837SPaolo Bonzini 966139c1837SPaolo Bonzinistatic unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc) 967139c1837SPaolo Bonzini{ 968139c1837SPaolo Bonzini unsigned int insn_len = 2; 969139c1837SPaolo Bonzini unsigned int size = dec10_size(dc->size); 970139c1837SPaolo Bonzini uint32_t imm; 971139c1837SPaolo Bonzini int32_t simm; 972fd52deeaSStefan Sandstrom TCGv t[2], c; 973139c1837SPaolo Bonzini 974139c1837SPaolo Bonzini if (dc->size != 3) { 975139c1837SPaolo Bonzini switch (dc->opcode) { 976139c1837SPaolo Bonzini case CRISV10_IND_MOVE_M_R: 977139c1837SPaolo Bonzini return dec10_ind_move_m_r(env, dc, size); 978139c1837SPaolo Bonzini case CRISV10_IND_MOVE_R_M: 979139c1837SPaolo Bonzini return dec10_ind_move_r_m(dc, size); 980139c1837SPaolo Bonzini case CRISV10_IND_CMP: 981139c1837SPaolo Bonzini LOG_DIS("cmp size=%d op=%d %d\n", size, dc->src, dc->dst); 982139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 983139c1837SPaolo Bonzini insn_len += dec10_ind_alu(env, dc, CC_OP_CMP, size); 984139c1837SPaolo Bonzini break; 985139c1837SPaolo Bonzini case CRISV10_IND_TEST: 986139c1837SPaolo Bonzini LOG_DIS("test size=%d op=%d %d\n", size, dc->src, dc->dst); 987139c1837SPaolo Bonzini 988139c1837SPaolo Bonzini cris_evaluate_flags(dc); 989139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 990139c1837SPaolo Bonzini cris_alu_m_alloc_temps(t); 991139c1837SPaolo Bonzini insn_len += dec10_prep_move_m(env, dc, 0, size, t[0]); 992139c1837SPaolo Bonzini tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3); 993ab554f17SRichard Henderson c = tcg_constant_tl(0); 994139c1837SPaolo Bonzini cris_alu(dc, CC_OP_CMP, cpu_R[dc->dst], 995fd52deeaSStefan Sandstrom t[0], c, size); 996139c1837SPaolo Bonzini break; 997139c1837SPaolo Bonzini case CRISV10_IND_ADD: 998139c1837SPaolo Bonzini LOG_DIS("add size=%d op=%d %d\n", size, dc->src, dc->dst); 999139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1000139c1837SPaolo Bonzini insn_len += dec10_ind_alu(env, dc, CC_OP_ADD, size); 1001139c1837SPaolo Bonzini break; 1002139c1837SPaolo Bonzini case CRISV10_IND_SUB: 1003139c1837SPaolo Bonzini LOG_DIS("sub size=%d op=%d %d\n", size, dc->src, dc->dst); 1004139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1005139c1837SPaolo Bonzini insn_len += dec10_ind_alu(env, dc, CC_OP_SUB, size); 1006139c1837SPaolo Bonzini break; 1007139c1837SPaolo Bonzini case CRISV10_IND_BOUND: 1008139c1837SPaolo Bonzini LOG_DIS("bound size=%d op=%d %d\n", size, dc->src, dc->dst); 1009139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1010139c1837SPaolo Bonzini insn_len += dec10_ind_bound(env, dc, size); 1011139c1837SPaolo Bonzini break; 1012139c1837SPaolo Bonzini case CRISV10_IND_AND: 1013139c1837SPaolo Bonzini LOG_DIS("and size=%d op=%d %d\n", size, dc->src, dc->dst); 1014139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1015139c1837SPaolo Bonzini insn_len += dec10_ind_alu(env, dc, CC_OP_AND, size); 1016139c1837SPaolo Bonzini break; 1017139c1837SPaolo Bonzini case CRISV10_IND_OR: 1018139c1837SPaolo Bonzini LOG_DIS("or size=%d op=%d %d\n", size, dc->src, dc->dst); 1019139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1020139c1837SPaolo Bonzini insn_len += dec10_ind_alu(env, dc, CC_OP_OR, size); 1021139c1837SPaolo Bonzini break; 1022139c1837SPaolo Bonzini case CRISV10_IND_MOVX: 1023139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_MOVE); 1024139c1837SPaolo Bonzini break; 1025139c1837SPaolo Bonzini case CRISV10_IND_ADDX: 1026139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_ADD); 1027139c1837SPaolo Bonzini break; 1028139c1837SPaolo Bonzini case CRISV10_IND_SUBX: 1029139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_SUB); 1030139c1837SPaolo Bonzini break; 1031139c1837SPaolo Bonzini case CRISV10_IND_CMPX: 1032139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_CMP); 1033139c1837SPaolo Bonzini break; 1034139c1837SPaolo Bonzini case CRISV10_IND_MUL: 1035139c1837SPaolo Bonzini /* This is a reg insn coded in the mem indir space. */ 1036139c1837SPaolo Bonzini LOG_DIS("mul pc=%x opcode=%d\n", dc->pc, dc->opcode); 1037139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1038139c1837SPaolo Bonzini dec10_reg_mul(dc, size, dc->ir & (1 << 10)); 1039139c1837SPaolo Bonzini break; 1040139c1837SPaolo Bonzini case CRISV10_IND_BDAP_M: 1041139c1837SPaolo Bonzini insn_len = dec10_bdap_m(env, dc, size); 1042139c1837SPaolo Bonzini break; 1043139c1837SPaolo Bonzini default: 1044139c1837SPaolo Bonzini /* 1045139c1837SPaolo Bonzini * ADDC for v17: 1046139c1837SPaolo Bonzini * 1047139c1837SPaolo Bonzini * Instruction format: ADDC [Rs],Rd 1048139c1837SPaolo Bonzini * 1049139c1837SPaolo Bonzini * +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+-+ 1050139c1837SPaolo Bonzini * |Destination(Rd)| 1 0 0 1 1 0 1 0 | Source(Rs)| 1051139c1837SPaolo Bonzini * +---+---+---+---+---+---+---+---+---+---+---+---+---+---+--+--+ 1052139c1837SPaolo Bonzini * 1053139c1837SPaolo Bonzini * Instruction format: ADDC [Rs+],Rd 1054139c1837SPaolo Bonzini * 1055139c1837SPaolo Bonzini * +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+-+ 1056139c1837SPaolo Bonzini * |Destination(Rd)| 1 1 0 1 1 0 1 0 | Source(Rs)| 1057139c1837SPaolo Bonzini * +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+-+ 1058139c1837SPaolo Bonzini */ 1059139c1837SPaolo Bonzini if (dc->opcode == CRISV17_IND_ADDC && dc->size == 2 && 1060139c1837SPaolo Bonzini env->pregs[PR_VR] == 17) { 1061139c1837SPaolo Bonzini LOG_DIS("addc op=%d %d\n", dc->src, dc->dst); 1062139c1837SPaolo Bonzini cris_cc_mask(dc, CC_MASK_NZVC); 1063139c1837SPaolo Bonzini insn_len += dec10_ind_alu(env, dc, CC_OP_ADDC, size); 1064139c1837SPaolo Bonzini break; 1065139c1837SPaolo Bonzini } 1066139c1837SPaolo Bonzini 1067139c1837SPaolo Bonzini LOG_DIS("pc=%x var-ind.%d %d r%d r%d\n", 1068139c1837SPaolo Bonzini dc->pc, size, dc->opcode, dc->src, dc->dst); 1069139c1837SPaolo Bonzini cpu_abort(CPU(dc->cpu), "Unhandled opcode"); 1070139c1837SPaolo Bonzini break; 1071139c1837SPaolo Bonzini } 1072139c1837SPaolo Bonzini return insn_len; 1073139c1837SPaolo Bonzini } 1074139c1837SPaolo Bonzini 1075139c1837SPaolo Bonzini switch (dc->opcode) { 1076139c1837SPaolo Bonzini case CRISV10_IND_MOVE_M_SPR: 1077139c1837SPaolo Bonzini insn_len = dec10_ind_move_m_pr(env, dc); 1078139c1837SPaolo Bonzini break; 1079139c1837SPaolo Bonzini case CRISV10_IND_MOVE_SPR_M: 1080139c1837SPaolo Bonzini insn_len = dec10_ind_move_pr_m(dc); 1081139c1837SPaolo Bonzini break; 1082139c1837SPaolo Bonzini case CRISV10_IND_JUMP_M: 1083139c1837SPaolo Bonzini if (dc->src == 15) { 1084139c1837SPaolo Bonzini LOG_DIS("jump.%d %d r%d r%d direct\n", size, 1085139c1837SPaolo Bonzini dc->opcode, dc->src, dc->dst); 10861b1138caSRichard Henderson imm = cris_fetch(env, dc, dc->pc + 2, size, 0); 10871b1138caSRichard Henderson if (dc->mode == CRISV10_MODE_AUTOINC) { 1088139c1837SPaolo Bonzini insn_len += size; 10891b1138caSRichard Henderson } 1090ab554f17SRichard Henderson c = tcg_constant_tl(dc->pc + insn_len); 1091fd52deeaSStefan Sandstrom t_gen_mov_preg_TN(dc, dc->dst, c); 1092139c1837SPaolo Bonzini dc->jmp_pc = imm; 1093139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_DIRECT); 1094139c1837SPaolo Bonzini dc->delayed_branch--; /* v10 has no dslot here. */ 1095139c1837SPaolo Bonzini } else { 1096139c1837SPaolo Bonzini if (dc->dst == 14) { 1097139c1837SPaolo Bonzini LOG_DIS("break %d\n", dc->src); 1098139c1837SPaolo Bonzini cris_evaluate_flags(dc); 1099139c1837SPaolo Bonzini tcg_gen_movi_tl(env_pc, dc->pc + 2); 1100ab554f17SRichard Henderson c = tcg_constant_tl(dc->src + 2); 1101fd52deeaSStefan Sandstrom t_gen_mov_env_TN(trap_vector, c); 1102139c1837SPaolo Bonzini t_gen_raise_exception(EXCP_BREAK); 11031dd09c47SRichard Henderson dc->base.is_jmp = DISAS_NORETURN; 1104139c1837SPaolo Bonzini return insn_len; 1105139c1837SPaolo Bonzini } 1106139c1837SPaolo Bonzini LOG_DIS("%d: jump.%d %d r%d r%d\n", __LINE__, size, 1107139c1837SPaolo Bonzini dc->opcode, dc->src, dc->dst); 1108139c1837SPaolo Bonzini t[0] = tcg_temp_new(); 1109ab554f17SRichard Henderson c = tcg_constant_tl(dc->pc + insn_len); 1110fd52deeaSStefan Sandstrom t_gen_mov_preg_TN(dc, dc->dst, c); 1111139c1837SPaolo Bonzini crisv10_prepare_memaddr(dc, t[0], size); 1112139c1837SPaolo Bonzini gen_load(dc, env_btarget, t[0], 4, 0); 1113139c1837SPaolo Bonzini insn_len += crisv10_post_memaddr(dc, size); 1114139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 1115139c1837SPaolo Bonzini dc->delayed_branch--; /* v10 has no dslot here. */ 1116139c1837SPaolo Bonzini } 1117139c1837SPaolo Bonzini break; 1118139c1837SPaolo Bonzini 1119139c1837SPaolo Bonzini case CRISV10_IND_MOVEM_R_M: 1120139c1837SPaolo Bonzini LOG_DIS("movem_r_m pc=%x opcode=%d r%d r%d\n", 1121139c1837SPaolo Bonzini dc->pc, dc->opcode, dc->dst, dc->src); 1122139c1837SPaolo Bonzini dec10_movem_r_m(dc); 1123139c1837SPaolo Bonzini break; 1124139c1837SPaolo Bonzini case CRISV10_IND_MOVEM_M_R: 1125139c1837SPaolo Bonzini LOG_DIS("movem_m_r pc=%x opcode=%d\n", dc->pc, dc->opcode); 1126139c1837SPaolo Bonzini dec10_movem_m_r(dc); 1127139c1837SPaolo Bonzini break; 1128139c1837SPaolo Bonzini case CRISV10_IND_JUMP_R: 1129139c1837SPaolo Bonzini LOG_DIS("jmp pc=%x opcode=%d r%d r%d\n", 1130139c1837SPaolo Bonzini dc->pc, dc->opcode, dc->dst, dc->src); 1131139c1837SPaolo Bonzini tcg_gen_mov_tl(env_btarget, cpu_R[dc->src]); 1132ab554f17SRichard Henderson c = tcg_constant_tl(dc->pc + insn_len); 1133fd52deeaSStefan Sandstrom t_gen_mov_preg_TN(dc, dc->dst, c); 1134139c1837SPaolo Bonzini cris_prepare_jmp(dc, JMP_INDIRECT); 1135139c1837SPaolo Bonzini dc->delayed_branch--; /* v10 has no dslot here. */ 1136139c1837SPaolo Bonzini break; 1137139c1837SPaolo Bonzini case CRISV10_IND_MOVX: 1138139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_MOVE); 1139139c1837SPaolo Bonzini break; 1140139c1837SPaolo Bonzini case CRISV10_IND_ADDX: 1141139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_ADD); 1142139c1837SPaolo Bonzini break; 1143139c1837SPaolo Bonzini case CRISV10_IND_SUBX: 1144139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_SUB); 1145139c1837SPaolo Bonzini break; 1146139c1837SPaolo Bonzini case CRISV10_IND_CMPX: 1147139c1837SPaolo Bonzini insn_len = dec10_alux_m(env, dc, CC_OP_CMP); 1148139c1837SPaolo Bonzini break; 1149139c1837SPaolo Bonzini case CRISV10_IND_DIP: 1150139c1837SPaolo Bonzini insn_len = dec10_dip(env, dc); 1151139c1837SPaolo Bonzini break; 1152139c1837SPaolo Bonzini case CRISV10_IND_BCC_M: 1153139c1837SPaolo Bonzini 1154139c1837SPaolo Bonzini cris_cc_mask(dc, 0); 11551b1138caSRichard Henderson simm = cris_fetch(env, dc, dc->pc + 2, 2, 1); 1156139c1837SPaolo Bonzini simm += 4; 1157139c1837SPaolo Bonzini 1158139c1837SPaolo Bonzini LOG_DIS("bcc_m: b%s %x\n", cc_name(dc->cond), dc->pc + simm); 1159139c1837SPaolo Bonzini cris_prepare_cc_branch(dc, simm, dc->cond); 1160139c1837SPaolo Bonzini insn_len = 4; 1161139c1837SPaolo Bonzini break; 1162139c1837SPaolo Bonzini default: 1163139c1837SPaolo Bonzini LOG_DIS("ERROR pc=%x opcode=%d\n", dc->pc, dc->opcode); 1164139c1837SPaolo Bonzini cpu_abort(CPU(dc->cpu), "Unhandled opcode"); 1165139c1837SPaolo Bonzini break; 1166139c1837SPaolo Bonzini } 1167139c1837SPaolo Bonzini 1168139c1837SPaolo Bonzini return insn_len; 1169139c1837SPaolo Bonzini} 1170139c1837SPaolo Bonzini 1171139c1837SPaolo Bonzinistatic unsigned int crisv10_decoder(CPUCRISState *env, DisasContext *dc) 1172139c1837SPaolo Bonzini{ 1173139c1837SPaolo Bonzini unsigned int insn_len = 2; 1174139c1837SPaolo Bonzini 1175139c1837SPaolo Bonzini /* Load a halfword onto the instruction register. */ 11761b1138caSRichard Henderson dc->ir = cris_fetch(env, dc, dc->pc, 2, 0); 1177139c1837SPaolo Bonzini 1178139c1837SPaolo Bonzini /* Now decode it. */ 1179139c1837SPaolo Bonzini dc->opcode = EXTRACT_FIELD(dc->ir, 6, 9); 1180139c1837SPaolo Bonzini dc->mode = EXTRACT_FIELD(dc->ir, 10, 11); 1181139c1837SPaolo Bonzini dc->src = EXTRACT_FIELD(dc->ir, 0, 3); 1182139c1837SPaolo Bonzini dc->size = EXTRACT_FIELD(dc->ir, 4, 5); 1183139c1837SPaolo Bonzini dc->cond = dc->dst = EXTRACT_FIELD(dc->ir, 12, 15); 1184139c1837SPaolo Bonzini dc->postinc = EXTRACT_FIELD(dc->ir, 10, 10); 1185139c1837SPaolo Bonzini 1186139c1837SPaolo Bonzini dc->clear_prefix = 1; 1187139c1837SPaolo Bonzini 1188139c1837SPaolo Bonzini /* FIXME: What if this insn insn't 2 in length?? */ 1189139c1837SPaolo Bonzini if (dc->src == 15 || dc->dst == 15) 1190139c1837SPaolo Bonzini tcg_gen_movi_tl(cpu_R[15], dc->pc + 2); 1191139c1837SPaolo Bonzini 1192139c1837SPaolo Bonzini switch (dc->mode) { 1193139c1837SPaolo Bonzini case CRISV10_MODE_QIMMEDIATE: 1194139c1837SPaolo Bonzini insn_len = dec10_quick_imm(dc); 1195139c1837SPaolo Bonzini break; 1196139c1837SPaolo Bonzini case CRISV10_MODE_REG: 1197139c1837SPaolo Bonzini insn_len = dec10_reg(dc); 1198139c1837SPaolo Bonzini break; 1199139c1837SPaolo Bonzini case CRISV10_MODE_AUTOINC: 1200139c1837SPaolo Bonzini case CRISV10_MODE_INDIRECT: 1201139c1837SPaolo Bonzini insn_len = dec10_ind(env, dc); 1202139c1837SPaolo Bonzini break; 1203139c1837SPaolo Bonzini } 1204139c1837SPaolo Bonzini 1205139c1837SPaolo Bonzini if (dc->clear_prefix && dc->tb_flags & PFIX_FLAG) { 1206139c1837SPaolo Bonzini dc->tb_flags &= ~PFIX_FLAG; 1207139c1837SPaolo Bonzini tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~PFIX_FLAG); 120867f69c4cSRichard Henderson if (dc->tb_flags != dc->base.tb->flags) { 1209139c1837SPaolo Bonzini dc->cpustate_changed = 1; 1210139c1837SPaolo Bonzini } 1211139c1837SPaolo Bonzini } 1212139c1837SPaolo Bonzini 1213139c1837SPaolo Bonzini /* CRISv10 locks out interrupts on dslots. */ 1214139c1837SPaolo Bonzini if (dc->delayed_branch == 2) { 1215139c1837SPaolo Bonzini cris_lock_irq(dc); 1216139c1837SPaolo Bonzini } 1217139c1837SPaolo Bonzini return insn_len; 1218139c1837SPaolo Bonzini} 1219139c1837SPaolo Bonzini 1220139c1837SPaolo Bonzinivoid cris_initialize_crisv10_tcg(void) 1221139c1837SPaolo Bonzini{ 1222139c1837SPaolo Bonzini int i; 1223139c1837SPaolo Bonzini 1224ad75a51eSRichard Henderson cc_x = tcg_global_mem_new(tcg_env, 1225139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_x), "cc_x"); 1226ad75a51eSRichard Henderson cc_src = tcg_global_mem_new(tcg_env, 1227139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_src), "cc_src"); 1228ad75a51eSRichard Henderson cc_dest = tcg_global_mem_new(tcg_env, 1229139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_dest), 1230139c1837SPaolo Bonzini "cc_dest"); 1231ad75a51eSRichard Henderson cc_result = tcg_global_mem_new(tcg_env, 1232139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_result), 1233139c1837SPaolo Bonzini "cc_result"); 1234ad75a51eSRichard Henderson cc_op = tcg_global_mem_new(tcg_env, 1235139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_op), "cc_op"); 1236ad75a51eSRichard Henderson cc_size = tcg_global_mem_new(tcg_env, 1237139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_size), 1238139c1837SPaolo Bonzini "cc_size"); 1239ad75a51eSRichard Henderson cc_mask = tcg_global_mem_new(tcg_env, 1240139c1837SPaolo Bonzini offsetof(CPUCRISState, cc_mask), 1241139c1837SPaolo Bonzini "cc_mask"); 1242139c1837SPaolo Bonzini 1243ad75a51eSRichard Henderson env_pc = tcg_global_mem_new(tcg_env, 1244139c1837SPaolo Bonzini offsetof(CPUCRISState, pc), 1245139c1837SPaolo Bonzini "pc"); 1246ad75a51eSRichard Henderson env_btarget = tcg_global_mem_new(tcg_env, 1247139c1837SPaolo Bonzini offsetof(CPUCRISState, btarget), 1248139c1837SPaolo Bonzini "btarget"); 1249ad75a51eSRichard Henderson env_btaken = tcg_global_mem_new(tcg_env, 1250139c1837SPaolo Bonzini offsetof(CPUCRISState, btaken), 1251139c1837SPaolo Bonzini "btaken"); 1252139c1837SPaolo Bonzini for (i = 0; i < 16; i++) { 1253ad75a51eSRichard Henderson cpu_R[i] = tcg_global_mem_new(tcg_env, 1254139c1837SPaolo Bonzini offsetof(CPUCRISState, regs[i]), 1255139c1837SPaolo Bonzini regnames_v10[i]); 1256139c1837SPaolo Bonzini } 1257139c1837SPaolo Bonzini for (i = 0; i < 16; i++) { 1258ad75a51eSRichard Henderson cpu_PR[i] = tcg_global_mem_new(tcg_env, 1259139c1837SPaolo Bonzini offsetof(CPUCRISState, pregs[i]), 1260139c1837SPaolo Bonzini pregnames_v10[i]); 1261139c1837SPaolo Bonzini } 1262139c1837SPaolo Bonzini} 1263