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[78.62.135.63]) by smtp.gmail.com with ESMTPSA id w7-20020ac24427000000b004f3945751b2sm142632lfl.43.2023.06.08.03.42.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 03:42:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686220967; x=1688812967; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8b7KrjCebnfWIrPsCkUgKYPJ7/0tuWaa+jvxau+kcyg=; b=MIWD8MS7a8LCbKOcRUPgojiAMscDVLCzgZntyRnN32L8z4ZeXU/kZq3mF5XsUj0YYX 9iEBgQvktT1mXddRX00DKKZ1hSPHBJR+l2Z38qNrG7Li7pGL8gtikVfX+zvM2K9QRrJS 4VYhGg6le7cGONAyog4AuX038Xw6U+qCzrE+NxVnHSh9f6ZSfEovknReDnQw/szR5zea RW8vnOSDWjV0IIc6Z1QMT8w9u8qk8xFnmioySsV1j3+wZcPsmBl/ulSQUnbdKlUhNwik 8NrHohr1q8HBd7cOnX/vLGlVFQSIECN23D83vfv5ZYYi2MO37MC/ohA8ZUPVmGxlBpLF qe2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686220967; x=1688812967; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8b7KrjCebnfWIrPsCkUgKYPJ7/0tuWaa+jvxau+kcyg=; b=A6zWBWbbJyB99Vj0PHL6JNJLCbOMNl+lSHSRGdkNZG/aEllT+i7K0lWr4dobRLUQQC D3pj//p8DIhSgZ7pmE7W0XgSYLe9h3p0OVRXTPkoPrV8UK85JP1Epiyd3VsMtxTrVgrC CkB66dqFOwAotDAmN3oeHsfHTkpa4maDAIhP+P6dAu2q1jFCPtAGM86rKPhAXPCJO3Kd qF8RqUmUs6tG3ZsYE04WPXZiBGTTCZP13uJ1tCIV97jIZse7EDwvkOGhNrKLxhvHjDVn k5Ur9Rb+tv3ErdytIEJ+NxmSfJjoH3PaX/0DWP4nZsNzYcyRcernu38MF3gFsVSY/9FT fkcQ== X-Gm-Message-State: AC+VfDxX6h2hM9Y2Vmil4evZJW6sf5M9FFLT8u3N28Tn3btt53uLZGYr lcTiHUbLELD0FaSMBjtzNnXlsmVxdUI= X-Google-Smtp-Source: ACHHUZ6/HkcmsuLdSq8xVxn8btOwJ+12wu0pD6L85zS0YVg5yuOxSdRl82RpKN3P9oV6AEU0HiZvuQ== X-Received: by 2002:ac2:4a7a:0:b0:4f2:6bc3:5e33 with SMTP id q26-20020ac24a7a000000b004f26bc35e33mr3139872lfp.9.1686220967238; Thu, 08 Jun 2023 03:42:47 -0700 (PDT) From: Siarhei Volkau To: qemu-devel@nongnu.org Cc: Aleksandar Rikalo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , Stefan Markovic , Aleksandar Markovic , Jiaxun Yang , Siarhei Volkau Subject: [PATCH 21/33] target/mips: Add emulation of MXU S16LDD S16STD S16LDI S16SDI instructions Date: Thu, 8 Jun 2023 13:42:10 +0300 Message-Id: <20230608104222.1520143-22-lis8215@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230608104222.1520143-1-lis8215@gmail.com> References: <20230608104222.1520143-1-lis8215@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::133; envelope-from=lis8215@gmail.com; helo=mail-lf1-x133.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 08 Jun 2023 09:17:53 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1686230563998100010 Content-Type: text/plain; charset="utf-8" These instructions are all load/store a halfword from memory and put it into/get it from MXU register in various combinations. I-suffix instructions modify the base address GPR by offset provided. Signed-off-by: Siarhei Volkau --- target/mips/tcg/mxu_translate.c | 117 ++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) diff --git a/target/mips/tcg/mxu_translate.c b/target/mips/tcg/mxu_translat= e.c index 6460846149..f867950f3d 100644 --- a/target/mips/tcg/mxu_translate.c +++ b/target/mips/tcg/mxu_translate.c @@ -389,6 +389,10 @@ enum { OPC_MXU_S8SDI =3D 0x25, OPC_MXU__POOL16 =3D 0x27, OPC_MXU__POOL17 =3D 0x28, + OPC_MXU_S16LDD =3D 0x2A, + OPC_MXU_S16STD =3D 0x2B, + OPC_MXU_S16LDI =3D 0x2C, + OPC_MXU_S16SDI =3D 0x2D, OPC_MXU_S32M2I =3D 0x2E, OPC_MXU_S32I2M =3D 0x2F, OPC_MXU__POOL19 =3D 0x38, @@ -768,6 +772,107 @@ static void gen_mxu_s8std(DisasContext *ctx, bool pos= tmodify) =20 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_UB); } + +/* + * S16LDD XRa, Rb, s10, optn2 - Load a halfword from memory to XRF + * + * S16LDI XRa, Rb, s10, optn2 - Load a halfword from memory to XRF, + * post modify address register + */ +static void gen_mxu_s16ldd(DisasContext *ctx, bool postmodify) +{ + TCGv t0, t1; + uint32_t XRa, Rb, optn2; + int32_t s10; + + t0 =3D tcg_temp_new(); + t1 =3D tcg_temp_new(); + + XRa =3D extract32(ctx->opcode, 6, 4); + s10 =3D sextract32(ctx->opcode, 10, 9) * 2; + optn2 =3D extract32(ctx->opcode, 19, 2); + Rb =3D extract32(ctx->opcode, 21, 5); + + gen_load_gpr(t0, Rb); + tcg_gen_addi_tl(t0, t0, s10); + if (postmodify) { + gen_store_gpr(t0, Rb); + } + + switch (optn2) { + /* XRa[15:0] =3D tmp16 */ + case MXU_OPTN2_PTN0: + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UW); + gen_load_mxu_gpr(t0, XRa); + tcg_gen_deposit_tl(t0, t0, t1, 0, 16); + break; + /* XRa[31:16] =3D tmp16 */ + case MXU_OPTN2_PTN1: + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UW); + gen_load_mxu_gpr(t0, XRa); + tcg_gen_deposit_tl(t0, t0, t1, 16, 16); + break; + /* XRa =3D sign_extend(tmp16) */ + case MXU_OPTN2_PTN2: + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SW); + break; + /* XRa =3D {tmp16, tmp16} */ + case MXU_OPTN2_PTN3: + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UW); + tcg_gen_deposit_tl(t0, t1, t1, 0, 16); + tcg_gen_deposit_tl(t0, t1, t1, 16, 16); + break; + } + + gen_store_mxu_gpr(t0, XRa); +} + +/* + * S16STD XRa, Rb, s8, optn2 - Store a byte from XRF to memory + * + * S16SDI XRa, Rb, s8, optn2 - Store a byte from XRF to memory, + * post modify address register + */ +static void gen_mxu_s16std(DisasContext *ctx, bool postmodify) +{ + TCGv t0, t1; + uint32_t XRa, Rb, optn2; + int32_t s10; + + t0 =3D tcg_temp_new(); + t1 =3D tcg_temp_new(); + + XRa =3D extract32(ctx->opcode, 6, 4); + s10 =3D sextract32(ctx->opcode, 10, 9) * 2; + optn2 =3D extract32(ctx->opcode, 19, 2); + Rb =3D extract32(ctx->opcode, 21, 5); + + if (optn2 > 1) { + /* reserved, do nothing */ + return; + } + + gen_load_gpr(t0, Rb); + tcg_gen_addi_tl(t0, t0, s10); + if (postmodify) { + gen_store_gpr(t0, Rb); + } + gen_load_mxu_gpr(t1, XRa); + + switch (optn2) { + /* XRa[15:0] =3D> tmp16 */ + case MXU_OPTN2_PTN0: + tcg_gen_extract_tl(t1, t1, 0, 16); + break; + /* XRa[31:16] =3D> tmp16 */ + case MXU_OPTN2_PTN1: + tcg_gen_extract_tl(t1, t1, 16, 16); + break; + } + + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_UW); +} + /* * D16MUL XRa, XRb, XRc, XRd, optn2 - Signed 16 bit pattern multiplication * D16MULF XRa, XRb, XRc, optn2 - Signed Q15 fraction pattern multiplicati= on @@ -3787,6 +3892,18 @@ bool decode_ase_mxu(DisasContext *ctx, uint32_t insn) case OPC_MXU__POOL17: decode_opc_mxu__pool17(ctx); break; + case OPC_MXU_S16LDD: + gen_mxu_s16ldd(ctx, false); + break; + case OPC_MXU_S16STD: + gen_mxu_s16std(ctx, false); + break; + case OPC_MXU_S16LDI: + gen_mxu_s16ldd(ctx, true); + break; + case OPC_MXU_S16SDI: + gen_mxu_s16std(ctx, true); + break; case OPC_MXU__POOL19: decode_opc_mxu__pool19(ctx); break; --=20 2.40.0