From patchwork Fri Oct 29 20:23:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 12593761 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F6FBC433F5 for ; Fri, 29 Oct 2021 20:44:05 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3D31660F02 for ; Fri, 29 Oct 2021 20:44:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3D31660F02 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eldorado.org.br Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:40632 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mgYjM-0002zC-9M for qemu-devel@archiver.kernel.org; Fri, 29 Oct 2021 16:44:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44272) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgYRd-000170-6o; Fri, 29 Oct 2021 16:25:45 -0400 Received: from [201.28.113.2] (port=65208 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mgYRa-0001sK-Hq; Fri, 29 Oct 2021 16:25:44 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Fri, 29 Oct 2021 17:25:34 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 64538800B36; Fri, 29 Oct 2021 17:25:34 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 05/34] target/ppc: Move LQ and STQ to decodetree Date: Fri, 29 Oct 2021 17:23:55 -0300 Message-Id: <20211029202424.175401-6-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211029202424.175401-1-matheus.ferst@eldorado.org.br> References: <20211029202424.175401-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 29 Oct 2021 20:25:34.0959 (UTC) FILETIME=[20CC87F0:01D7CD03] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 5.0 requ) PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lucas.castro@eldorado.org.br, richard.henderson@linaro.org, groug@kaod.org, luis.pires@eldorado.org.br, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 11 ++ target/ppc/translate.c | 156 +-------------------- target/ppc/translate/fixedpoint-impl.c.inc | 97 +++++++++++++ 3 files changed, 113 insertions(+), 151 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 3837b799c8..9cb9fc00b8 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -24,9 +24,16 @@ @D_bfs ...... bf:3 - l:1 ra:5 imm:s16 &D_bf @D_bfu ...... bf:3 - l:1 ra:5 imm:16 &D_bf +%dq_si 4:s12 !function=times_16 +%dq_rtp 22:4 !function=times_2 +@DQ_rtp ...... ....0 ra:5 ............ .... &D rt=%dq_rtp si=%dq_si + %ds_si 2:s14 !function=times_4 @DS ...... rt:5 ra:5 .............. .. &D si=%ds_si +%ds_rtp 22:4 !function=times_2 +@DS_rtp ...... ....0 ra:5 .............. .. &D rt=%ds_rtp si=%ds_si + &DX rt d %dx_d 6:s10 16:5 0:1 @DX ...... rt:5 ..... .......... ..... . &DX d=%dx_d @@ -153,6 +160,8 @@ LDU 111010 ..... ..... ..............01 @DS LDX 011111 ..... ..... ..... 0000010101 - @X LDUX 011111 ..... ..... ..... 0000110101 - @X +LQ 111000 ..... ..... ............ ---- @DQ_rtp + ### Fixed-Point Store Instructions STB 100110 ..... ..... ................ @D @@ -175,6 +184,8 @@ STDU 111110 ..... ..... ..............01 @DS STDX 011111 ..... ..... ..... 0010010101 - @X STDUX 011111 ..... ..... ..... 0010110101 - @X +STQ 111110 ..... ..... ..............10 @DS_rtp + ### Fixed-Point Compare Instructions CMP 011111 ... - . ..... ..... 0000000000 - @X_bfl diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 4828456d34..659859ff5f 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -3327,69 +3327,6 @@ GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST) GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) - -/* lq */ -static void gen_lq(DisasContext *ctx) -{ - int ra, rd; - TCGv EA, hi, lo; - - /* lq is a legal user mode instruction starting in ISA 2.07 */ - bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; - bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; - - if (!legal_in_user_mode && ctx->pr) { - gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); - return; - } - - if (!le_is_supported && ctx->le_mode) { - gen_align_no_le(ctx); - return; - } - ra = rA(ctx->opcode); - rd = rD(ctx->opcode); - if (unlikely((rd & 1) || rd == ra)) { - gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); - return; - } - - gen_set_access_type(ctx, ACCESS_INT); - EA = tcg_temp_new(); - gen_addr_imm_index(ctx, EA, 0x0F); - - /* Note that the low part is always in RD+1, even in LE mode. */ - lo = cpu_gpr[rd + 1]; - hi = cpu_gpr[rd]; - - if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { - if (HAVE_ATOMIC128) { - TCGv_i32 oi = tcg_temp_new_i32(); - if (ctx->le_mode) { - tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx)); - gen_helper_lq_le_parallel(lo, cpu_env, EA, oi); - } else { - tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx)); - gen_helper_lq_be_parallel(lo, cpu_env, EA, oi); - } - tcg_temp_free_i32(oi); - tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh)); - } else { - /* Restart with exclusive lock. */ - gen_helper_exit_atomic(cpu_env); - ctx->base.is_jmp = DISAS_NORETURN; - } - } else if (ctx->le_mode) { - tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_LEQ); - gen_addr_add(ctx, EA, EA, 8); - tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_LEQ); - } else { - tcg_gen_qemu_ld_i64(hi, EA, ctx->mem_idx, MO_BEQ); - gen_addr_add(ctx, EA, EA, 8); - tcg_gen_qemu_ld_i64(lo, EA, ctx->mem_idx, MO_BEQ); - } - tcg_temp_free(EA); -} #endif /*** Integer store ***/ @@ -3435,90 +3372,6 @@ GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) - -static void gen_std(DisasContext *ctx) -{ - int rs; - TCGv EA; - - rs = rS(ctx->opcode); - if ((ctx->opcode & 0x3) == 0x2) { /* stq */ - bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; - bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; - TCGv hi, lo; - - if (!(ctx->insns_flags & PPC_64BX)) { - gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); - } - - if (!legal_in_user_mode && ctx->pr) { - gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); - return; - } - - if (!le_is_supported && ctx->le_mode) { - gen_align_no_le(ctx); - return; - } - - if (unlikely(rs & 1)) { - gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); - return; - } - gen_set_access_type(ctx, ACCESS_INT); - EA = tcg_temp_new(); - gen_addr_imm_index(ctx, EA, 0x03); - - /* Note that the low part is always in RS+1, even in LE mode. */ - lo = cpu_gpr[rs + 1]; - hi = cpu_gpr[rs]; - - if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { - if (HAVE_ATOMIC128) { - TCGv_i32 oi = tcg_temp_new_i32(); - if (ctx->le_mode) { - tcg_gen_movi_i32(oi, make_memop_idx(MO_LE | MO_128, - ctx->mem_idx)); - gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi); - } else { - tcg_gen_movi_i32(oi, make_memop_idx(MO_BE | MO_128, - ctx->mem_idx)); - gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi); - } - tcg_temp_free_i32(oi); - } else { - /* Restart with exclusive lock. */ - gen_helper_exit_atomic(cpu_env); - ctx->base.is_jmp = DISAS_NORETURN; - } - } else if (ctx->le_mode) { - tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_LEQ); - gen_addr_add(ctx, EA, EA, 8); - tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_LEQ); - } else { - tcg_gen_qemu_st_i64(hi, EA, ctx->mem_idx, MO_BEQ); - gen_addr_add(ctx, EA, EA, 8); - tcg_gen_qemu_st_i64(lo, EA, ctx->mem_idx, MO_BEQ); - } - tcg_temp_free(EA); - } else { - /* std / stdu */ - if (Rc(ctx->opcode)) { - if (unlikely(rA(ctx->opcode) == 0)) { - gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); - return; - } - } - gen_set_access_type(ctx, ACCESS_INT); - EA = tcg_temp_new(); - gen_addr_imm_index(ctx, EA, 0x03); - gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA); - if (Rc(ctx->opcode)) { - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); - } - tcg_temp_free(EA); - } -} #endif /*** Integer load and store with byte reverse ***/ @@ -7462,6 +7315,11 @@ static int times_4(DisasContext *ctx, int x) return x * 4; } +static int times_16(DisasContext *ctx, int x) +{ + return x * 16; +} + /* * Helpers for trans_* functions to check for specific insns flags. * Use token pasting to ensure that we use the proper flag with the @@ -7717,10 +7575,6 @@ GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000, GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000, PPC_NONE, PPC2_ISA300), #endif -#if defined(TARGET_PPC64) -GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX), -GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B), -#endif /* handles lfdp, lxsd, lxssp */ GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205), /* handles stfdp, lxv, stxsd, stxssp, stxv */ diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index 812b7ddd0a..ff35a96459 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -69,6 +69,97 @@ static bool do_ldst_X(DisasContext *ctx, arg_X *a, bool update, return do_ldst(ctx, a->rt, a->ra, cpu_gpr[a->rb], update, store, mop); } +static bool do_ldst_quad(DisasContext *ctx, arg_D *a, bool store, bool prefixed) +{ +#if defined(TARGET_PPC64) + TCGv ea; + TCGv_i64 low_addr_gpr, high_addr_gpr; + MemOp mop; + + REQUIRE_INSNS_FLAGS(ctx, 64BX); + + if (!prefixed && !(ctx->insns_flags2 & PPC2_LSQ_ISA207)) { + if (ctx->pr) { + /* lq and stq were privileged prior to V. 2.07 */ + gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return true; + } + + if (ctx->le_mode) { + gen_align_no_le(ctx); + return true; + } + } + + if (!store && unlikely(a->ra == a->rt)) { + gen_invalid(ctx); + return true; + } + + gen_set_access_type(ctx, ACCESS_INT); + ea = do_ea_calc(ctx, a->ra, tcg_constant_tl(a->si)); + + if (prefixed || !ctx->le_mode) { + low_addr_gpr = cpu_gpr[a->rt]; + high_addr_gpr = cpu_gpr[a->rt + 1]; + } else { + low_addr_gpr = cpu_gpr[a->rt + 1]; + high_addr_gpr = cpu_gpr[a->rt]; + } + + if (tb_cflags(ctx->base.tb) & CF_PARALLEL) { + if (HAVE_ATOMIC128) { + mop = DEF_MEMOP(MO_128); + TCGv_i32 oi = tcg_constant_i32(make_memop_idx(mop, ctx->mem_idx)); + if (store) { + if (ctx->le_mode) { + gen_helper_stq_le_parallel(cpu_env, ea, low_addr_gpr, + high_addr_gpr, oi); + } else { + gen_helper_stq_be_parallel(cpu_env, ea, high_addr_gpr, + low_addr_gpr, oi); + + } + } else { + if (ctx->le_mode) { + gen_helper_lq_le_parallel(low_addr_gpr, cpu_env, ea, oi); + tcg_gen_ld_i64(high_addr_gpr, cpu_env, + offsetof(CPUPPCState, retxh)); + } else { + gen_helper_lq_be_parallel(high_addr_gpr, cpu_env, ea, oi); + tcg_gen_ld_i64(low_addr_gpr, cpu_env, + offsetof(CPUPPCState, retxh)); + } + } + } else { + /* Restart with exclusive lock. */ + gen_helper_exit_atomic(cpu_env); + ctx->base.is_jmp = DISAS_NORETURN; + } + } else { + mop = DEF_MEMOP(MO_Q); + if (store) { + tcg_gen_qemu_st_i64(low_addr_gpr, ea, ctx->mem_idx, mop); + } else { + tcg_gen_qemu_ld_i64(low_addr_gpr, ea, ctx->mem_idx, mop); + } + + gen_addr_add(ctx, ea, ea, 8); + + if (store) { + tcg_gen_qemu_st_i64(high_addr_gpr, ea, ctx->mem_idx, mop); + } else { + tcg_gen_qemu_ld_i64(high_addr_gpr, ea, ctx->mem_idx, mop); + } + } + tcg_temp_free(ea); +#else + qemu_build_not_reached(); +#endif + + return true; +} + /* Load Byte and Zero */ TRANS(LBZ, do_ldst_D, false, false, MO_UB) TRANS(LBZX, do_ldst_X, false, false, MO_UB) @@ -110,6 +201,9 @@ TRANS64(LDU, do_ldst_D, true, false, MO_Q) TRANS64(LDUX, do_ldst_X, true, false, MO_Q) TRANS64(PLD, do_ldst_PLS_D, false, false, MO_Q) +/* Load Quadword */ +TRANS64(LQ, do_ldst_quad, false, false); + /* Store Byte */ TRANS(STB, do_ldst_D, false, true, MO_UB) TRANS(STBX, do_ldst_X, false, true, MO_UB) @@ -138,6 +232,9 @@ TRANS64(STDU, do_ldst_D, true, true, MO_Q) TRANS64(STDUX, do_ldst_X, true, true, MO_Q) TRANS64(PSTD, do_ldst_PLS_D, false, true, MO_Q) +/* Store Quadword */ +TRANS64(STQ, do_ldst_quad, true, false); + /* * Fixed-Point Compare Instructions */