Message ID | 20230911064320.939791-45-alistair.francis@wdc.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[2403:580b:97e8:0:321:6fb2:58f1:a1b1]) by smtp.gmail.com with ESMTPSA id q12-20020a656a8c000000b00553dcfc2179sm4264606pgu.52.2023.09.10.23.46.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Sep 2023 23:46:26 -0700 (PDT) From: Alistair Francis <alistair23@gmail.com> X-Google-Original-From: Alistair Francis <alistair.francis@wdc.com> To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Tommy Wu <tommy.wu@sifive.com>, Frank Chang <frank.chang@sifive.com>, Alistair Francis <alistair.francis@wdc.com> Subject: [PULL v2 44/45] target/riscv: Align the AIA model to v1.0 ratified spec Date: Mon, 11 Sep 2023 16:43:19 +1000 Message-ID: <20230911064320.939791-45-alistair.francis@wdc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230911064320.939791-1-alistair.francis@wdc.com> References: <20230911064320.939791-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::433; envelope-from=alistair23@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org |
Series |
[PULL,v2,01/45] target/riscv/cpu.c: do not run 'host' CPU with TCG
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diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 63c3b0d9fc..68eecc3c96 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1684,7 +1684,7 @@ static int rmw_iprio(target_ulong xlen, static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val, target_ulong new_val, target_ulong wr_mask) { - bool virt; + bool virt, isel_reserved; uint8_t *iprio; int ret = -EINVAL; target_ulong priv, isel, vgein; @@ -1694,6 +1694,7 @@ static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val, /* Decode register details from CSR number */ virt = false; + isel_reserved = false; switch (csrno) { case CSR_MIREG: iprio = env->miprio; @@ -1738,11 +1739,13 @@ static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val, riscv_cpu_mxl_bits(env)), val, new_val, wr_mask); } + } else { + isel_reserved = true; } done: if (ret) { - return (env->virt_enabled && virt) ? + return (env->virt_enabled && virt && !isel_reserved) ? RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST; } return RISCV_EXCP_NONE;