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([71.212.142.129]) by smtp.gmail.com with ESMTPSA id fz16-20020a17090b025000b001dbe11be891sm1692286pjb.44.2022.05.03.12.52.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 May 2022 12:52:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=G5TUXq2IL4pMyRpoJ6zLWtNUYnfueO0F38AbAA6OUSY=; b=NHm0POJ/k5W8exETv800htWvSW0v6gYAFe6sxaU8Ln4BFA5++e6otKo6btl09NvduM wQEEYidd7YvmM7kK8Sjq4qNR1tHVRM9ZcMLvPq0dE+VkpylS7OvL0mGmtUs3XSTlOsbU 615WCwQscqQFqpha2yoWCQGJNhpdQZPkPQDUd6z2V/oR+xan11SHiD/LvnLNDK/MVMqj q+UGaDS4ehrNfJZGktmJGvzGDs4c0cudL4hi7K0GKT5MpmxlFQ1e75OVf/0u0pavXi8c hh6A3OJML6oX2VTtEF001YI/W8Qt5ovCTZH1F3YPWshex+0FGG2ZBWPMxfMHhEfLxABt XozA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=G5TUXq2IL4pMyRpoJ6zLWtNUYnfueO0F38AbAA6OUSY=; b=KCMCH3hsU3N60/LD9do7VRVxz8H9+pT4uxydj22B2qM8cD9WKSzsCyhe09ASYlsY8X qVk036Csz7FlMlsbzMKThqH112rzExk6pXY9zFRJ4AP6qNKWVz8wNJxmKfPq0IRZ486M BiiUy90AMqG9ORa82UDHJDuiAO0yzX6w547jwkRCeeKq+ouq9aqJWyOKKDNylKPGtqTk vPucYKYhnLVlCkt1rFkLU2FlgFLdUCXs9Dtx+yK4nOtAF7GZ/78DM7NZNaXlg/loW2BE MX8ye47FYNeO0gJ4NmKetSzJ8fBkAaoE3jfDuR8NYngr7wjn7jtg7fo8yGVZyVKn75rS esnA== X-Gm-Message-State: AOAM532eCq+i1gI++PN2IZ1gDEpbGSLfiC1LXypX3wmk2zCeu/1AuR6r 3kv0csH6JWzhJN+nwvodBkgVwffUDPFq/g== X-Google-Smtp-Source: ABdhPJyKZttH9/H1Y0FI7Zcad2rY6gl4h3w3y0SHiRDaI3o/jkZrTTjDUPd6JBr9JqAMj0jYUYgzrg== X-Received: by 2002:a17:90b:30c4:b0:1d8:3395:a158 with SMTP id hi4-20020a17090b30c400b001d83395a158mr6368039pjb.184.1651607556312; Tue, 03 May 2022 12:52:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 51/74] target/nios2: Eliminate nios2_semi_is_lseek Date: Tue, 3 May 2022 12:48:20 -0700 Message-Id: <20220503194843.1379101-52-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220503194843.1379101-1-richard.henderson@linaro.org> References: <20220503194843.1379101-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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-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" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1651611194777100002 Content-Type: text/plain; charset="utf-8" Reorg nios2_semi_return_* to gdb_syscall_complete_cb. Use the 32-bit version normally, and the 64-bit version for HOSTED_LSEEK. Signed-off-by: Richard Henderson --- target/nios2/nios2-semi.c | 59 +++++++++++++++------------------------ 1 file changed, 23 insertions(+), 36 deletions(-) diff --git a/target/nios2/nios2-semi.c b/target/nios2/nios2-semi.c index 4d02789d26..bdf8849689 100644 --- a/target/nios2/nios2-semi.c +++ b/target/nios2/nios2-semi.c @@ -108,9 +108,12 @@ static bool translate_stat(CPUNios2State *env, target_= ulong addr, return true; } =20 -static void nios2_semi_return_u32(CPUNios2State *env, uint32_t ret, int er= r) +static void nios2_semi_u32_cb(CPUState *cs, uint64_t ret, int err) { + Nios2CPU *cpu =3D NIOS2_CPU(cs); + CPUNios2State *env =3D &cpu->env; target_ulong args =3D env->regs[R_ARG1]; + if (put_user_u32(ret, args) || put_user_u32(err, args + 4)) { /* @@ -123,9 +126,12 @@ static void nios2_semi_return_u32(CPUNios2State *env, = uint32_t ret, int err) } } =20 -static void nios2_semi_return_u64(CPUNios2State *env, uint64_t ret, int er= r) +static void nios2_semi_u64_cb(CPUState *cs, uint64_t ret, int err) { + Nios2CPU *cpu =3D NIOS2_CPU(cs); + CPUNios2State *env =3D &cpu->env; target_ulong args =3D env->regs[R_ARG1]; + if (put_user_u32(ret >> 32, args) || put_user_u32(ret, args + 4) || put_user_u32(err, args + 8)) { @@ -135,25 +141,6 @@ static void nios2_semi_return_u64(CPUNios2State *env, = uint64_t ret, int err) } } =20 -static int nios2_semi_is_lseek; - -static void nios2_semi_cb(CPUState *cs, uint64_t ret, int err) -{ - Nios2CPU *cpu =3D NIOS2_CPU(cs); - CPUNios2State *env =3D &cpu->env; - - if (nios2_semi_is_lseek) { - /* - * FIXME: We've already lost the high bits of the lseek - * return value. - */ - nios2_semi_return_u64(env, ret, err); - nios2_semi_is_lseek =3D 0; - } else { - nios2_semi_return_u32(env, ret, err); - } -} - /* * Read the input value from the argument block; fail the semihosting * call if the memory read fails. @@ -168,6 +155,7 @@ static void nios2_semi_cb(CPUState *cs, uint64_t ret, i= nt err) =20 void do_nios2_semihosting(CPUNios2State *env) { + CPUState *cs =3D env_cpu(env); int nr; uint32_t args; target_ulong arg0, arg1, arg2, arg3; @@ -188,7 +176,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(2); GET_ARG(3); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "open,%s,%x,%x", arg0, (int)arg1, + gdb_do_syscall(nios2_semi_u32_cb, "open,%s,%x,%x", arg0, (int)= arg1, arg2, arg3); return; } else { @@ -209,7 +197,7 @@ void do_nios2_semihosting(CPUNios2State *env) int fd =3D arg0; if (fd > 2) { if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "close,%x", arg0); + gdb_do_syscall(nios2_semi_u32_cb, "close,%x", arg0); return; } else { result =3D close(fd); @@ -225,7 +213,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(2); len =3D arg2; if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "read,%x,%x,%x", + gdb_do_syscall(nios2_semi_u32_cb, "read,%x,%x,%x", arg0, arg1, len); return; } else { @@ -245,7 +233,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(2); len =3D arg2; if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "write,%x,%x,%x", + gdb_do_syscall(nios2_semi_u32_cb, "write,%x,%x,%x", arg0, arg1, len); return; } else { @@ -268,12 +256,11 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(3); off =3D (uint32_t)arg2 | ((uint64_t)arg1 << 32); if (use_gdb_syscalls()) { - nios2_semi_is_lseek =3D 1; - gdb_do_syscall(nios2_semi_cb, "lseek,%x,%lx,%x", + gdb_do_syscall(nios2_semi_u64_cb, "lseek,%x,%lx,%x", arg0, off, arg3); } else { off =3D lseek(arg0, off, arg3); - nios2_semi_return_u64(env, off, errno); + nios2_semi_u64_cb(cs, off, errno); } return; } @@ -283,7 +270,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(2); GET_ARG(3); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "rename,%s,%s", + gdb_do_syscall(nios2_semi_u32_cb, "rename,%s,%s", arg0, (int)arg1, arg2, (int)arg3); return; } else { @@ -303,7 +290,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(0); GET_ARG(1); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "unlink,%s", + gdb_do_syscall(nios2_semi_u32_cb, "unlink,%s", arg0, (int)arg1); return; } else { @@ -322,7 +309,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(1); GET_ARG(2); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "stat,%s,%x", + gdb_do_syscall(nios2_semi_u32_cb, "stat,%s,%x", arg0, (int)arg1, arg2); return; } else { @@ -345,7 +332,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(0); GET_ARG(1); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "fstat,%x,%x", + gdb_do_syscall(nios2_semi_u32_cb, "fstat,%x,%x", arg0, arg1); return; } else { @@ -361,7 +348,7 @@ void do_nios2_semihosting(CPUNios2State *env) /* Only the tv parameter is used. tz is assumed NULL. */ GET_ARG(0); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "gettimeofday,%x,%x", + gdb_do_syscall(nios2_semi_u32_cb, "gettimeofday,%x,%x", arg0, 0); return; } else { @@ -382,7 +369,7 @@ void do_nios2_semihosting(CPUNios2State *env) case HOSTED_ISATTY: GET_ARG(0); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "isatty,%x", arg0); + gdb_do_syscall(nios2_semi_u32_cb, "isatty,%x", arg0); return; } else { result =3D isatty(arg0); @@ -392,7 +379,7 @@ void do_nios2_semihosting(CPUNios2State *env) GET_ARG(0); GET_ARG(1); if (use_gdb_syscalls()) { - gdb_do_syscall(nios2_semi_cb, "system,%s", + gdb_do_syscall(nios2_semi_u32_cb, "system,%s", arg0, (int)arg1); return; } else { @@ -412,5 +399,5 @@ void do_nios2_semihosting(CPUNios2State *env) result =3D 0; } failed: - nios2_semi_return_u32(env, result, errno); + nios2_semi_u32_cb(cs, result, errno); } --=20 2.34.1