From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5z7q-0006Ov-40 for qemu-devel@nongnu.org; Fri, 19 Jun 2015 12:26:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z5z7m-0002Ez-1j for qemu-devel@nongnu.org; Fri, 19 Jun 2015 12:26:41 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:16014) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5z7l-0002EC-Sd for qemu-devel@nongnu.org; Fri, 19 Jun 2015 12:26:37 -0400 From: Yongbok Kim Date: Fri, 19 Jun 2015 17:25:35 +0100 Message-ID: <1434731138-4918-13-git-send-email-yongbok.kim@imgtec.com> In-Reply-To: <1434731138-4918-1-git-send-email-yongbok.kim@imgtec.com> References: <1434731138-4918-1-git-send-email-yongbok.kim@imgtec.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v2 12/15] target-mips: microMIPS32 R6 POOL32{I, C} instructions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: leon.alrae@imgtec.com, aurelien@aurel32.net add new microMIPS32 Release 6 POOL32I/POOL32C type instructions Signed-off-by: Yongbok Kim --- target-mips/translate.c | 31 +++++++++++++++++++++++++------ 1 files changed, 25 insertions(+), 6 deletions(-) diff --git a/target-mips/translate.c b/target-mips/translate.c index 5f6ae43..54c14b6 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -14652,9 +14652,18 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx) check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_TGEIU; goto do_trapi; - case TNEI: - mips32_op = OPC_TNEI; - goto do_trapi; + case TNEI: /* SYNCI */ + if (ctx->insn_flags & ISA_MIPS32R6) { + /* SYNCI */ + /* Break the TB to be able to sync copied instructions + immediately */ + ctx->bstate = BS_STOP; + } else { + /* TNEI */ + mips32_op = OPC_TNEI; + goto do_trapi; + } + break; case TEQI: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_TEQI; @@ -14784,23 +14793,33 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx) mips32_op = OPC_LL; goto do_ld_lr; do_ld_lr: - gen_ld(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); + offset = sextract32(ctx->opcode, 0, + (ctx->insn_flags & ISA_MIPS32R6) ? 9 : 12); + gen_ld(ctx, mips32_op, rt, rs, offset); break; do_st_lr: gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); break; case SC: - gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12)); + offset = sextract32(ctx->opcode, 0, + (ctx->insn_flags & ISA_MIPS32R6) ? 9 : 12); + gen_st_cond(ctx, OPC_SC, rt, rs, offset); break; #if defined(TARGET_MIPS64) case SCD: check_insn(ctx, ISA_MIPS3); check_mips_64(ctx); - gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12)); + offset = sextract32(ctx->opcode, 0, + (ctx->insn_flags & ISA_MIPS32R6) ? 9 : 12); + gen_st_cond(ctx, OPC_SCD, rt, rs, offset); break; #endif case PREF: /* Treat as no-op */ + if ((ctx->insn_flags & ISA_MIPS32R6) && (rt >= 24)) { + /* hint codes 24-31 are reserved and signal RI */ + generate_exception(ctx, EXCP_RI); + } break; default: MIPS_INVAL("pool32c"); -- 1.7.5.4