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[97.113.179.147]) by smtp.gmail.com with ESMTPSA id 128sm26439908pgb.47.2019.04.25.10.26.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 Apr 2019 10:26:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=eGOk2C15hrcswvUDv6q+SuerrWLxsrIzu4DTJF3iqAI=; b=rBGrA1IjauUSmIaKgWDl3jNQQDkAPBbgOkIGQpRE/zqfzBJatwAzj+IdToZr0Ut1LQ X4djDr3B5SF8wd2FhLG2AmmeJLH8FlgSc+ZPDkBHOfEiEvM2z7qJGYvEUIETff9jpFiK ewIFu5sLPxLLZQ66dLaK+5ZR37Cs81OJBq9JGifJRVBGf+GJD/T2dLOuDnEO6g6Tw6Uc DouwVwpXogUQxlwukhdnBzh/fSdbTDNWclUbBfGDaX1bM4uyb5P19Jhhee6QnB3KIo2s CFrllYffJa7P1JyU1lBbnSI/uOYF8QVzxR8LM2LdU8oitHQVRqkmEV5nwAuTRFe/72tF gINw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=eGOk2C15hrcswvUDv6q+SuerrWLxsrIzu4DTJF3iqAI=; b=glBDvGB0TeEMLb8MboBYerhW8+705T0F6qWgk60ZdPYoOBFMJWitytQRraWY6akfCS E2upMHYo/NKBV/t/SvnwrCYzZX4yVfJJ8vp2+MqXfcPscxxbSFhQSsI6nsJIoNPf4UjP SFfuZo6eshB/Bfc0gm5FhR+5fkT+6cXGBAV4+HIHCzLx+Rjv5L3dhF4kBwhbsPLgUJOH 2TM9wy14Kf/E22n5NmFdxYMpZCdYOJ6H+47R81TopsinWCqX07NgfDCBpqo963zzX975 6aMU2qKa4B36I0af42kOIPgCIHQVS2y/6Y+AzrOnz6V2aw1v0S8FCHohWrDXAofVDtvg Z49g== X-Gm-Message-State: APjAAAUJ0TUDTTjKMeOo9ntOhLmxmGndem2X3AUxS9U1vppfUCUgrsn3 5Kwkngnkwp8riuzRjh1NcX19KgF6Fwg= X-Google-Smtp-Source: APXvYqw4rKsjjbU3PaqWULM8tGt9AuLakWqRXE2j/Ock68Z22WRkBwmhtKX02OlMswiB2EzcRil52Q== X-Received: by 2002:a63:5166:: with SMTP id r38mr3858638pgl.429.1556213200351; Thu, 25 Apr 2019 10:26:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 25 Apr 2019 10:26:36 -0700 Message-Id: <20190425172636.11128-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190425172636.11128-1-richard.henderson@linaro.org> References: <20190425172636.11128-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-devel] [PATCH 2/2] target/riscv: Add checks for several RVC reserved operands X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: palmer@sifive.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" C.ADDI16SP, C.LWSP, C.JR, C.ADDIW, C.LDSP all have reserved operands that were not diagnosed. Signed-off-by: Richard Henderson --- target/riscv/insn16-64.decode | 10 ++++++++-- target/riscv/insn16.decode | 7 ++++++- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/target/riscv/insn16-64.decode b/target/riscv/insn16-64.decode index 055859d29f..672e1e916f 100644 --- a/target/riscv/insn16-64.decode +++ b/target/riscv/insn16-64.decode @@ -21,10 +21,16 @@ ld 011 ... ... .. ... 00 @cl_d sd 111 ... ... .. ... 00 @cs_d =20 # *** RV64C Standard Extension (Quadrant 1) *** -addiw 001 . ..... ..... 01 @ci +{ + illegal 001 - 00000 ----- 01 # c.addiw, RES rd=3D0 + addiw 001 . ..... ..... 01 @ci +} subw 100 1 11 ... 00 ... 01 @cs_2 addw 100 1 11 ... 01 ... 01 @cs_2 =20 # *** RV64C Standard Extension (Quadrant 2) *** -ld 011 . ..... ..... 10 @c_ldsp +{ + illegal 011 - 00000 ----- 10 # c.ldsp, RES rd=3D0 + ld 011 . ..... ..... 10 @c_ldsp +} sd 111 . ..... ..... 10 @c_sdsp diff --git a/target/riscv/insn16.decode b/target/riscv/insn16.decode index 433c0e8c68..c06073ee72 100644 --- a/target/riscv/insn16.decode +++ b/target/riscv/insn16.decode @@ -96,6 +96,7 @@ sw 110 ... ... .. ... 00 @cs_w addi 000 . ..... ..... 01 @ci addi 010 . ..... ..... 01 @c_li { + illegal 011 0 ----- 00000 01 # c.addi16sp, RES nzimm=3D0 addi 011 . 00010 ..... 01 @c_addi16sp lui 011 . ..... ..... 01 @c_lui } @@ -113,8 +114,12 @@ bne 111 ... ... ..... 01 @cb_z # *** RV32/64C Standard Extension (Quadrant 2) *** slli 000 . ..... ..... 10 @c_shift2 fld 001 . ..... ..... 10 @c_ldsp -lw 010 . ..... ..... 10 @c_lwsp { + illegal 010 - 00000 ----- 10 # c.lwsp, RES rd=3D0 + lw 010 . ..... ..... 10 @c_lwsp +} +{ + illegal 100 0 00000 00000 10 # c.jr, RES rs1=3D0 jalr 100 0 ..... 00000 10 @c_jalr rd=3D0 # C.JR addi 100 0 ..... ..... 10 @c_mv } --=20 2.17.1