Changeset View
Changeset View
Standalone View
Standalone View
head/sys/arm64/linux/linux_machdep.c
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * Copyright (c) 2018 Turing Robotic Industries Inc. | |||||
| * Copyright (c) 2000 Marcel Moolenaar | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| * SUCH DAMAGE. | |||||
| * | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #include <sys/cdefs.h> | |||||
| __FBSDID("$FreeBSD$"); | |||||
| #include <sys/param.h> | |||||
| #include <sys/fcntl.h> | |||||
| #include <sys/imgact.h> | |||||
| #include <sys/ktr.h> | |||||
| #include <sys/proc.h> | |||||
| #include <sys/sdt.h> | |||||
| #include <arm64/linux/linux.h> | |||||
| #include <arm64/linux/linux_proto.h> | |||||
| #include <compat/linux/linux_dtrace.h> | |||||
| #include <compat/linux/linux_emul.h> | |||||
| #include <compat/linux/linux_misc.h> | |||||
| #include <compat/linux/linux_mmap.h> | |||||
| #include <compat/linux/linux_util.h> | |||||
| /* DTrace init */ | |||||
| LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); | |||||
| /* DTrace probes */ | |||||
| LIN_SDT_PROBE_DEFINE0(machdep, linux_set_upcall_kse, todo); | |||||
| LIN_SDT_PROBE_DEFINE0(machdep, linux_mmap2, todo); | |||||
| LIN_SDT_PROBE_DEFINE0(machdep, linux_rt_sigsuspend, todo); | |||||
| LIN_SDT_PROBE_DEFINE0(machdep, linux_sigaltstack, todo); | |||||
| LIN_SDT_PROBE_DEFINE0(machdep, linux_set_cloned_tls, todo); | |||||
| /* | |||||
| * LINUXTODO: deduplicate; linux_execve is common across archs, except that on | |||||
| * amd64 compat linuxulator it calls freebsd32_exec_copyin_args. | |||||
| */ | |||||
| int | |||||
| linux_execve(struct thread *td, struct linux_execve_args *uap) | |||||
| { | |||||
| struct image_args eargs; | |||||
| char *path; | |||||
| int error; | |||||
| LCONVPATHEXIST(td, uap->path, &path); | |||||
| error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp, | |||||
| uap->envp); | |||||
| free(path, M_TEMP); | |||||
| if (error == 0) | |||||
| error = linux_common_execve(td, &eargs); | |||||
| return (error); | |||||
| } | |||||
| /* LINUXTODO: implement (or deduplicate) arm64 linux_set_upcall_kse */ | |||||
| int | |||||
| linux_set_upcall_kse(struct thread *td, register_t stack) | |||||
| { | |||||
| LIN_SDT_PROBE0(machdep, linux_set_upcall_kse, todo); | |||||
| return (EDOOFUS); | |||||
| } | |||||
| /* LINUXTODO: deduplicate arm64 linux_mmap2 */ | |||||
| int | |||||
| linux_mmap2(struct thread *td, struct linux_mmap2_args *uap) | |||||
| { | |||||
| LIN_SDT_PROBE0(machdep, linux_mmap2, todo); | |||||
| return (linux_mmap_common(td, PTROUT(uap->addr), uap->len, uap->prot, | |||||
| uap->flags, uap->fd, uap->pgoff)); | |||||
| } | |||||
| int | |||||
| linux_mprotect(struct thread *td, struct linux_mprotect_args *uap) | |||||
| { | |||||
| return (linux_mprotect_common(td, PTROUT(uap->addr), uap->len, | |||||
| uap->prot)); | |||||
| } | |||||
| /* LINUXTODO: implement arm64 linux_rt_sigsuspend */ | |||||
| int | |||||
| linux_rt_sigsuspend(struct thread *td, struct linux_rt_sigsuspend_args *uap) | |||||
| { | |||||
| LIN_SDT_PROBE0(machdep, linux_rt_sigsuspend, todo); | |||||
| return (EDOOFUS); | |||||
| } | |||||
| /* LINUXTODO: implement arm64 linux_sigaltstack */ | |||||
| int | |||||
| linux_sigaltstack(struct thread *td, struct linux_sigaltstack_args *uap) | |||||
| { | |||||
| LIN_SDT_PROBE0(machdep, linux_sigaltstack, todo); | |||||
| return (EDOOFUS); | |||||
| } | |||||
| /* LINUXTODO: implement arm64 linux_set_cloned_tls */ | |||||
| int | |||||
| linux_set_cloned_tls(struct thread *td, void *desc) | |||||
| { | |||||
| LIN_SDT_PROBE0(machdep, linux_set_cloned_tls, todo); | |||||
| return (EDOOFUS); | |||||
| } | |||||