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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id e23-20020a6b5017000000b00635b8032d45sm3138764iob.22.2022.02.26.09.07.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Feb 2022 09:07:14 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v2 02/16] bsd-user/x86_64/target_arch_cpu.h: int $80 never was a BSD system call on amd64 Date: Sat, 26 Feb 2022 10:07:30 -0700 Message-Id: <20220226170744.76615-3-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220226170744.76615-1-imp@bsdimp.com> References: <20220226170744.76615-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::d34 (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::d34; envelope-from=imp@bsdimp.com; helo=mail-io1-xd34.google.com X-Spam_score_int: -4 X-Spam_score: -0.5 X-Spam_bar: / X-Spam_report: (-0.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: Peter Maydell , arrowd@FreeBSD.org, Kyle Evans , Richard Henderson , def@FreeBSD.org, jrtc27@FreeBSD.org, Warner Losh , Brad Smith Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Although initial versions of NetBSD did use int $80, it was replaced by syscall before any releases. OpenBSD and FreeBSD always did syscall. Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/x86_64/target_arch_cpu.h | 58 ------------------------------- 1 file changed, 58 deletions(-) diff --git a/bsd-user/x86_64/target_arch_cpu.h b/bsd-user/x86_64/target_arch_cpu.h index 0a9c0f08946..9dc52d5afc4 100644 --- a/bsd-user/x86_64/target_arch_cpu.h +++ b/bsd-user/x86_64/target_arch_cpu.h @@ -124,64 +124,6 @@ static inline void target_cpu_loop(CPUX86State *env) process_queued_cpu_work(cs); switch (trapnr) { - case 0x80: - /* syscall from int $0x80 */ - if (bsd_type == target_freebsd) { - abi_ulong params = (abi_ulong) env->regs[R_ESP] + - sizeof(int32_t); - int32_t syscall_nr = env->regs[R_EAX]; - int32_t arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8; - - if (syscall_nr == TARGET_FREEBSD_NR_syscall) { - get_user_s32(syscall_nr, params); - params += sizeof(int32_t); - } else if (syscall_nr == TARGET_FREEBSD_NR___syscall) { - get_user_s32(syscall_nr, params); - params += sizeof(int64_t); - } - get_user_s32(arg1, params); - params += sizeof(int32_t); - get_user_s32(arg2, params); - params += sizeof(int32_t); - get_user_s32(arg3, params); - params += sizeof(int32_t); - get_user_s32(arg4, params); - params += sizeof(int32_t); - get_user_s32(arg5, params); - params += sizeof(int32_t); - get_user_s32(arg6, params); - params += sizeof(int32_t); - get_user_s32(arg7, params); - params += sizeof(int32_t); - get_user_s32(arg8, params); - env->regs[R_EAX] = do_freebsd_syscall(env, - syscall_nr, - arg1, - arg2, - arg3, - arg4, - arg5, - arg6, - arg7, - arg8); - } else { /* if (bsd_type == target_openbsd) */ - env->regs[R_EAX] = do_openbsd_syscall(env, - env->regs[R_EAX], - env->regs[R_EBX], - env->regs[R_ECX], - env->regs[R_EDX], - env->regs[R_ESI], - env->regs[R_EDI], - env->regs[R_EBP]); - } - if (((abi_ulong)env->regs[R_EAX]) >= (abi_ulong)(-515)) { - env->regs[R_EAX] = -env->regs[R_EAX]; - env->eflags |= CC_C; - } else { - env->eflags &= ~CC_C; - } - break; - case EXCP_SYSCALL: /* syscall from syscall instruction */ if (bsd_type == target_freebsd) { -- 2.33.1