diff options
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/translate.c | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 74b1b54b46..0f85b36eed 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -1843,8 +1843,33 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 8: /*LSCXp*/ - HAS_OPTION(XTENSA_OPTION_COPROCESSOR); - TBD(); + switch (OP2) { + case 0: /*LSXf*/ + case 1: /*LSXUf*/ + case 4: /*SSXf*/ + case 5: /*SSXUf*/ + HAS_OPTION(XTENSA_OPTION_FP_COPROCESSOR); + gen_window_check2(dc, RRR_S, RRR_T); + { + TCGv_i32 addr = tcg_temp_new_i32(); + tcg_gen_add_i32(addr, cpu_R[RRR_S], cpu_R[RRR_T]); + gen_load_store_alignment(dc, 2, addr, false); + if (OP2 & 0x4) { + tcg_gen_qemu_st32(cpu_FR[RRR_R], addr, dc->cring); + } else { + tcg_gen_qemu_ld32u(cpu_FR[RRR_R], addr, dc->cring); + } + if (OP2 & 0x1) { + tcg_gen_mov_i32(cpu_R[RRR_S], addr); + } + tcg_temp_free(addr); + } + break; + + default: /*reserved*/ + RESERVED(); + break; + } break; case 9: /*LSC4*/ @@ -2118,8 +2143,33 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 3: /*LSCIp*/ - HAS_OPTION(XTENSA_OPTION_COPROCESSOR); - TBD(); + switch (RRI8_R) { + case 0: /*LSIf*/ + case 4: /*SSIf*/ + case 8: /*LSIUf*/ + case 12: /*SSIUf*/ + HAS_OPTION(XTENSA_OPTION_FP_COPROCESSOR); + gen_window_check1(dc, RRI8_S); + { + TCGv_i32 addr = tcg_temp_new_i32(); + tcg_gen_addi_i32(addr, cpu_R[RRI8_S], RRI8_IMM8 << 2); + gen_load_store_alignment(dc, 2, addr, false); + if (RRI8_R & 0x4) { + tcg_gen_qemu_st32(cpu_FR[RRI8_T], addr, dc->cring); + } else { + tcg_gen_qemu_ld32u(cpu_FR[RRI8_T], addr, dc->cring); + } + if (RRI8_R & 0x8) { + tcg_gen_mov_i32(cpu_R[RRI8_S], addr); + } + tcg_temp_free(addr); + } + break; + + default: /*reserved*/ + RESERVED(); + break; + } break; case 4: /*MAC16d*/ |