diff options
| -rw-r--r-- | share/man/man8/compat_linux.8 | 109 | ||||
| -rw-r--r-- | sys/arch/i386/i386/linux_machdep.c | 686 | ||||
| -rw-r--r-- | sys/arch/i386/include/linux_machdep.h | 137 | ||||
| -rw-r--r-- | sys/sys/ioctl_compat.h | 60 |
4 files changed, 0 insertions, 992 deletions
diff --git a/share/man/man8/compat_linux.8 b/share/man/man8/compat_linux.8 deleted file mode 100644 index eadf6c1edc6..00000000000 --- a/share/man/man8/compat_linux.8 +++ /dev/null @@ -1,109 +0,0 @@ -.\" $OpenBSD: compat_linux.8,v 1.49 2015/04/19 08:58:02 ratchov Exp $ -.\" $NetBSD: compat_linux.8,v 1.2 1995/10/16 20:17:59 fvdl Exp $ -.\" -.\" Copyright (c) 1995 Frank van der Linden -.\" All rights reserved. -.\" -.\" 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. -.\" 3. All advertising materials mentioning features or use of this software -.\" must display the following acknowledgement: -.\" This product includes software developed for the NetBSD Project -.\" by Frank van der Linden -.\" 4. The name of the author may not be used to endorse or promote products -.\" derived from this software without specific prior written permission -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. -.\" -.Dd $Mdocdate: April 19 2015 $ -.Dt COMPAT_LINUX 8 -.Os -.Sh NAME -.Nm compat_linux -.Nd setup for running Linux binaries under emulation -.Sh DESCRIPTION -.Ox -supports running Linux binaries. -This only applies to i386 systems and the ELF binary format. -Most programs should work, including the ones that use the Linux SVGAlib. -Programs that will not work include those that use i386-specific calls, -such as enabling virtual 8086 mode. -.Pp -The Linux compatibility feature is active -for kernels compiled with the -.Nm COMPAT_LINUX -option and kern.emul.linux -.Xr sysctl 8 -enabled. -.Pp -A lot of programs are dynamically linked. -This means that the Linux shared libraries that the programs depend on -and the runtime linker are also needed. -Additionally, a "shadow root" directory for Linux binaries -on the -.Ox -system will have to be created. -This directory is named -.Pa /emul/linux . -Any file operations done by Linux programs run under -.Ox -will look in this directory first. -So, if a Linux program opens, for example, -.Pa /etc/passwd , -.Ox -will first try to open -.Pa /emul/linux/etc/passwd , -and if that does not exist open the `real' -.Pa /etc/passwd -file. -It is recommended that Linux packages that include configuration -files, etc., be installed under -.Pa /emul/linux , -to avoid naming conflicts with possible -.Ox -counterparts. -Shared libraries should also be installed in the shadow tree. -.Ss Setting up shared libraries -Run -.Xr pkg_add 1 -to install the fedora_base package from the emulators category. -The fedora_base package contains the shared libraries, binaries, -and other related files necessary to run Linux applications. -.Ss Programs using SVGAlib -SVGAlib binaries require some extra care. -The pcvt virtual console driver has to be in the kernel for them to work, -and some symbolic links in the -.Pa /emul/linux/dev -directory will have to be created, namely: -.Bd -unfilled -offset indent -/emul/linux/dev/console -> /dev/tty -/emul/linux/dev/mouse -> whatever device the mouse is connected to -/emul/linux/dev/ttyS0 -> /dev/tty00 -/emul/linux/dev/ttyS1 -> /dev/tty01 -.Ed -.Pp -Be warned: the first link mentioned here makes SVGAlib binaries -work, but may confuse others, so it may be necessary to remove it again at -some point. -.Ss Other links Linux binaries may require -CD-ROM support requires a link to the CD-ROM device, similar to: -.Pp -.D1 /emul/linux/dev/cdrom -> /dev/cd0a (first CD-ROM) -.Sh BUGS -.Nm -is incomplete and currently only supported on the i386. diff --git a/sys/arch/i386/i386/linux_machdep.c b/sys/arch/i386/i386/linux_machdep.c deleted file mode 100644 index 3ada48c99fe..00000000000 --- a/sys/arch/i386/i386/linux_machdep.c +++ /dev/null @@ -1,686 +0,0 @@ -/* $OpenBSD: linux_machdep.c,v 1.46 2014/12/16 18:30:03 tedu Exp $ */ -/* $NetBSD: linux_machdep.c,v 1.29 1996/05/03 19:42:11 christos Exp $ */ - -/* - * Copyright (c) 1995 Frank van der Linden - * All rights reserved. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed for the NetBSD Project - * by Frank van der Linden - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/signalvar.h> -#include <sys/kernel.h> -#include <sys/proc.h> -#include <sys/user.h> -#include <sys/buf.h> -#include <sys/reboot.h> -#include <sys/conf.h> -#include <sys/file.h> -#include <sys/malloc.h> -#include <sys/mbuf.h> -#include <sys/msgbuf.h> -#include <sys/mount.h> -#include <sys/device.h> -#include <sys/sysctl.h> -#include <sys/syscallargs.h> -#include <sys/filedesc.h> - -#include <uvm/uvm_extern.h> - -#include <compat/linux/linux_types.h> -#include <compat/linux/linux_signal.h> -#include <compat/linux/linux_syscallargs.h> -#include <compat/linux/linux_util.h> -#include <compat/linux/linux_ioctl.h> - -#include <machine/cpu.h> -#include <machine/cpufunc.h> -#include <machine/psl.h> -#include <machine/reg.h> -#include <machine/segments.h> -#include <machine/specialreg.h> -#include <machine/sysarch.h> -#include <machine/vm86.h> -#include <machine/linux_machdep.h> - -/* - * To see whether wsdisplay is configured (for virtual console ioctl calls). - */ -#include "wsdisplay.h" -#include <sys/ioctl.h> -#if NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL) -#include <dev/wscons/wsconsio.h> -#include <dev/wscons/wsdisplay_usl_io.h> -#endif - -#ifdef USER_LDT -#include <machine/cpu.h> -int linux_read_ldt(struct proc *, struct linux_sys_modify_ldt_args *, - register_t *); -int linux_write_ldt(struct proc *, struct linux_sys_modify_ldt_args *, - register_t *); -#endif - -/* - * Deal with some i386-specific things in the Linux emulation code. - * This means just signals for now, will include stuff like - * I/O map permissions and V86 mode sometime. - */ - -/* - * Send an interrupt to process. - * - * Stack is set up to allow sigcode stored - * in u. to call routine, followed by kcall - * to sigreturn routine below. After sigreturn - * resets the signal mask, the stack, and the - * frame pointer, it returns to the user - * specified pc, psl. - */ - -void -linux_sendsig(sig_t catcher, int sig, int mask, u_long code, int type, - union sigval val) -{ - struct proc *p = curproc; - struct trapframe *tf; - struct linux_sigframe *fp, frame; - struct sigacts *psp = p->p_p->ps_sigacts; - int oonstack; - - tf = p->p_md.md_regs; - oonstack = p->p_sigstk.ss_flags & SS_ONSTACK; - - /* - * Allocate space for the signal handler context. - */ - if ((p->p_sigstk.ss_flags & SS_DISABLE) == 0 && !oonstack && - (psp->ps_sigonstack & sigmask(sig))) { - fp = (struct linux_sigframe *)((char *)p->p_sigstk.ss_sp + - p->p_sigstk.ss_size - sizeof(struct linux_sigframe)); - p->p_sigstk.ss_flags |= SS_ONSTACK; - } else { - fp = (struct linux_sigframe *)tf->tf_esp - 1; - } - - frame.sf_handler = catcher; - frame.sf_sig = bsd_to_linux_sig[sig]; - - /* - * Build the signal context to be used by sigreturn. - */ - frame.sf_sc.sc_mask = mask; -#ifdef VM86 - if (tf->tf_eflags & PSL_VM) { - frame.sf_sc.sc_gs = tf->tf_vm86_gs; - frame.sf_sc.sc_fs = tf->tf_vm86_fs; - frame.sf_sc.sc_es = tf->tf_vm86_es; - frame.sf_sc.sc_ds = tf->tf_vm86_ds; - frame.sf_sc.sc_eflags = get_vflags(p); - } else -#endif - { - frame.sf_sc.sc_fs = tf->tf_fs; - frame.sf_sc.sc_gs = tf->tf_gs; - frame.sf_sc.sc_es = tf->tf_es; - frame.sf_sc.sc_ds = tf->tf_ds; - frame.sf_sc.sc_eflags = tf->tf_eflags; - } - frame.sf_sc.sc_edi = tf->tf_edi; - frame.sf_sc.sc_esi = tf->tf_esi; - frame.sf_sc.sc_ebp = tf->tf_ebp; - frame.sf_sc.sc_ebx = tf->tf_ebx; - frame.sf_sc.sc_edx = tf->tf_edx; - frame.sf_sc.sc_ecx = tf->tf_ecx; - frame.sf_sc.sc_eax = tf->tf_eax; - frame.sf_sc.sc_eip = tf->tf_eip; - frame.sf_sc.sc_cs = tf->tf_cs; - frame.sf_sc.sc_esp_at_signal = tf->tf_esp; - frame.sf_sc.sc_ss = tf->tf_ss; - frame.sf_sc.sc_err = tf->tf_err; - frame.sf_sc.sc_trapno = tf->tf_trapno; - - if (copyout(&frame, fp, sizeof(frame)) != 0) { - /* - * Process has trashed its stack; give it an illegal - * instruction to halt it in its tracks. - */ - sigexit(p, SIGILL); - /* NOTREACHED */ - } - - /* - * Build context to run handler in. - */ - tf->tf_es = GSEL(GUDATA_SEL, SEL_UPL); - tf->tf_ds = GSEL(GUDATA_SEL, SEL_UPL); - tf->tf_eip = p->p_p->ps_sigcode; - tf->tf_cs = GSEL(GUCODE_SEL, SEL_UPL); - tf->tf_eflags &= ~(PSL_T|PSL_D|PSL_VM|PSL_AC); - tf->tf_esp = (int)fp; - tf->tf_ss = GSEL(GUDATA_SEL, SEL_UPL); -} - -/* - * System call to cleanup state after a signal - * has been taken. Reset signal mask and - * stack state from context left by sendsig (above). - * Return to previous pc and psl as specified by - * context left by sendsig. Check carefully to - * make sure that the user has not modified the - * psl to gain improper privileges or to cause - * a machine fault. - */ -int -linux_sys_sigreturn(struct proc *p, void *v, register_t *retval) -{ - struct linux_sys_sigreturn_args /* { - syscallarg(struct linux_sigcontext *) scp; - } */ *uap = v; - struct linux_sigcontext *scp, context; - struct trapframe *tf; - - tf = p->p_md.md_regs; - - /* - * The trampoline code hands us the context. - * It is unsafe to keep track of it ourselves, in the event that a - * program jumps out of a signal handler. - */ - scp = SCARG(uap, scp); - if (copyin((caddr_t)scp, &context, sizeof(*scp)) != 0) - return (EFAULT); - - /* - * Restore signal context. - */ -#ifdef VM86 - if (context.sc_eflags & PSL_VM) { - tf->tf_vm86_gs = context.sc_gs; - tf->tf_vm86_fs = context.sc_fs; - tf->tf_vm86_es = context.sc_es; - tf->tf_vm86_ds = context.sc_ds; - set_vflags(p, context.sc_eflags); - } else -#endif - { - /* - * Check for security violations. If we're returning to - * protected mode, the CPU will validate the segment registers - * automatically and generate a trap on violations. We handle - * the trap, rather than doing all of the checking here. - */ - if (((context.sc_eflags ^ tf->tf_eflags) & PSL_USERSTATIC) != 0 || - !USERMODE(context.sc_cs, context.sc_eflags)) - return (EINVAL); - - tf->tf_fs = context.sc_fs; - tf->tf_gs = context.sc_gs; - tf->tf_es = context.sc_es; - tf->tf_ds = context.sc_ds; - tf->tf_eflags = context.sc_eflags; - } - tf->tf_edi = context.sc_edi; - tf->tf_esi = context.sc_esi; - tf->tf_ebp = context.sc_ebp; - tf->tf_ebx = context.sc_ebx; - tf->tf_edx = context.sc_edx; - tf->tf_ecx = context.sc_ecx; - tf->tf_eax = context.sc_eax; - tf->tf_eip = context.sc_eip; - tf->tf_cs = context.sc_cs; - tf->tf_esp = context.sc_esp_at_signal; - tf->tf_ss = context.sc_ss; - - p->p_sigstk.ss_flags &= ~SS_ONSTACK; - p->p_sigmask = context.sc_mask & ~sigcantmask; - - return (EJUSTRETURN); -} - -int -linux_sys_rt_sigreturn(struct proc *p, void *v, register_t *retval) -{ - return(ENOSYS); -} - -#ifdef USER_LDT - -int -linux_read_ldt(struct proc *p, struct linux_sys_modify_ldt_args *uap, - register_t *retval) -{ - struct i386_get_ldt_args gl; - int error; - caddr_t sg; - char *parms; - - if (user_ldt_enable == 0) - return (ENOSYS); - - sg = stackgap_init(p); - - gl.start = 0; - gl.desc = SCARG(uap, ptr); - gl.num = SCARG(uap, bytecount) / sizeof(union descriptor); - - parms = stackgap_alloc(&sg, sizeof(gl)); - - if ((error = copyout(&gl, parms, sizeof(gl))) != 0) - return (error); - - if ((error = i386_get_ldt(p, parms, retval)) != 0) - return (error); - - *retval *= sizeof(union descriptor); - return (0); -} - -struct linux_ldt_info { - u_int entry_number; - u_long base_addr; - u_int limit; - u_int seg_32bit:1; - u_int contents:2; - u_int read_exec_only:1; - u_int limit_in_pages:1; - u_int seg_not_present:1; -}; - -int -linux_write_ldt(struct proc *p, struct linux_sys_modify_ldt_args *uap, - register_t *retval) -{ - struct linux_ldt_info ldt_info; - struct segment_descriptor sd; - struct i386_set_ldt_args sl; - int error; - caddr_t sg; - char *parms; - - if (user_ldt_enable == 0) - return (ENOSYS); - - if (SCARG(uap, bytecount) != sizeof(ldt_info)) - return (EINVAL); - if ((error = copyin(SCARG(uap, ptr), &ldt_info, sizeof(ldt_info))) != 0) - return error; - if (ldt_info.contents == 3) - return (EINVAL); - - sg = stackgap_init(p); - - sd.sd_lobase = ldt_info.base_addr & 0xffffff; - sd.sd_hibase = (ldt_info.base_addr >> 24) & 0xff; - sd.sd_lolimit = ldt_info.limit & 0xffff; - sd.sd_hilimit = (ldt_info.limit >> 16) & 0xf; - sd.sd_type = - 16 | (ldt_info.contents << 2) | (!ldt_info.read_exec_only << 1); - sd.sd_dpl = SEL_UPL; - sd.sd_p = !ldt_info.seg_not_present; - sd.sd_def32 = ldt_info.seg_32bit; - sd.sd_gran = ldt_info.limit_in_pages; - - sl.start = ldt_info.entry_number; - sl.desc = stackgap_alloc(&sg, sizeof(sd)); - sl.num = 1; - -#if 0 - printf("linux_write_ldt: idx=%d, base=%x, limit=%x\n", - ldt_info.entry_number, ldt_info.base_addr, ldt_info.limit); -#endif - - parms = stackgap_alloc(&sg, sizeof(sl)); - - if ((error = copyout(&sd, sl.desc, sizeof(sd))) != 0) - return (error); - if ((error = copyout(&sl, parms, sizeof(sl))) != 0) - return (error); - - if ((error = i386_set_ldt(p, parms, retval)) != 0) - return (error); - - *retval = 0; - return (0); -} - -#endif /* USER_LDT */ - -int -linux_sys_modify_ldt(struct proc *p, void *v, register_t *retval) -{ - struct linux_sys_modify_ldt_args /* { - syscallarg(int) func; - syscallarg(void *) ptr; - syscallarg(size_t) bytecount; - } */ *uap = v; - - switch (SCARG(uap, func)) { -#ifdef USER_LDT - case 0: - return (linux_read_ldt(p, uap, retval)); - - case 1: - return (linux_write_ldt(p, uap, retval)); -#endif /* USER_LDT */ - - default: - return (ENOSYS); - } -} - -/* - * XXX Pathetic hack to make svgalib work. This will fake the major - * device number of an opened VT so that svgalib likes it. grmbl. - * Should probably do it 'wrong the right way' and use a mapping - * array for all major device numbers, and map linux_mknod too. - */ -dev_t -linux_fakedev(dev_t dev) -{ - - if (major(dev) == NATIVE_CONS_MAJOR) - return makedev(LINUX_CONS_MAJOR, (minor(dev) + 1)); - return dev; -} - -/* - * We come here in a last attempt to satisfy a Linux ioctl() call - */ -int -linux_machdepioctl(struct proc *p, void *v, register_t *retval) -{ - struct linux_sys_ioctl_args /* { - syscallarg(int) fd; - syscallarg(u_long) com; - syscallarg(caddr_t) data; - } */ *uap = v; - struct sys_ioctl_args bia; - u_long com; - int error; -#if (NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL)) - struct vt_mode lvt; - caddr_t bvtp, sg; -#endif - struct filedesc *fdp; - struct file *fp; - int fd; - int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *); - struct ioctl_pt pt; - - fd = SCARG(uap, fd); - SCARG(&bia, fd) = SCARG(uap, fd); - SCARG(&bia, data) = SCARG(uap, data); - com = SCARG(uap, com); - - fdp = p->p_fd; - if ((fp = fd_getfile(fdp, fd)) == NULL) - return (EBADF); - - switch (com) { -#if (NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL)) - case LINUX_KDGKBMODE: - com = KDGKBMODE; - break; - case LINUX_KDSKBMODE: - com = KDSKBMODE; - if ((unsigned)SCARG(uap, data) == LINUX_K_MEDIUMRAW) - SCARG(&bia, data) = (caddr_t)K_RAW; - break; - case LINUX_KIOCSOUND: - SCARG(&bia, data) = - (caddr_t)(((unsigned long)SCARG(&bia, data)) & 0xffff); - /* FALLTHROUGH */ - case LINUX_KDMKTONE: - com = KDMKTONE; - break; - case LINUX_KDSETMODE: - com = KDSETMODE; - break; - case LINUX_KDGETMODE: -#if NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL) - com = WSDISPLAYIO_GMODE; -#else - com = KDGETMODE; -#endif - break; - case LINUX_KDENABIO: - com = KDENABIO; - break; - case LINUX_KDDISABIO: - com = KDDISABIO; - break; - case LINUX_KDGETLED: - com = KDGETLED; - break; - case LINUX_KDSETLED: - com = KDSETLED; - break; - case LINUX_VT_OPENQRY: - com = VT_OPENQRY; - break; - case LINUX_VT_GETMODE: { - int sig; - - SCARG(&bia, com) = VT_GETMODE; - if ((error = sys_ioctl(p, &bia, retval))) - return error; - if ((error = copyin(SCARG(uap, data), (caddr_t)&lvt, - sizeof (struct vt_mode)))) - return error; - /* We need to bounds check here in case there - is a race with another thread */ - if ((error = bsd_to_linux_signal(lvt.relsig, &sig))) - return error; - lvt.relsig = sig; - - if ((error = bsd_to_linux_signal(lvt.acqsig, &sig))) - return error; - lvt.acqsig = sig; - - if ((error = bsd_to_linux_signal(lvt.frsig, &sig))) - return error; - lvt.frsig = sig; - - return copyout((caddr_t)&lvt, SCARG(uap, data), - sizeof (struct vt_mode)); - } - case LINUX_VT_SETMODE: { - int sig; - - com = VT_SETMODE; - if ((error = copyin(SCARG(uap, data), (caddr_t)&lvt, - sizeof (struct vt_mode)))) - return error; - if ((error = linux_to_bsd_signal(lvt.relsig, &sig))) - return error; - lvt.relsig = sig; - - if ((error = linux_to_bsd_signal(lvt.acqsig, &sig))) - return error; - lvt.acqsig = sig; - - if ((error = linux_to_bsd_signal(lvt.frsig, &sig))) - return error; - lvt.frsig = sig; - - sg = stackgap_init(p); - bvtp = stackgap_alloc(&sg, sizeof (struct vt_mode)); - if ((error = copyout(&lvt, bvtp, sizeof (struct vt_mode)))) - return error; - SCARG(&bia, data) = bvtp; - break; - } - case LINUX_VT_DISALLOCATE: - /* XXX should use WSDISPLAYIO_DELSCREEN */ - return 0; - case LINUX_VT_RELDISP: - com = VT_RELDISP; - break; - case LINUX_VT_ACTIVATE: - com = VT_ACTIVATE; - break; - case LINUX_VT_WAITACTIVE: - com = VT_WAITACTIVE; - break; - case LINUX_VT_GETSTATE: - com = VT_GETSTATE; - break; - case LINUX_KDGKBTYPE: - { - char tmp = KB_101; - - /* This is what Linux does */ - return copyout(&tmp, SCARG(uap, data), sizeof(char)); - } -#endif - default: - /* - * Unknown to us. If it's on a device, just pass it through - * using PTIOCLINUX, the device itself might be able to - * make some sense of it. - * XXX hack: if the function returns EJUSTRETURN, - * it has stuffed a sysctl return value in pt.data. - */ - FREF(fp); - ioctlf = fp->f_ops->fo_ioctl; - pt.com = SCARG(uap, com); - pt.data = SCARG(uap, data); - error = ioctlf(fp, PTIOCLINUX, (caddr_t)&pt, p); - FRELE(fp, p); - if (error == EJUSTRETURN) { - retval[0] = (register_t)pt.data; - error = 0; - } - - if (error == ENOTTY) - printf("linux_machdepioctl: invalid ioctl %08lx\n", - com); - return (error); - } - SCARG(&bia, com) = com; - return sys_ioctl(p, &bia, retval); -} - -/* - * Set I/O permissions for a process. Just set the maximum level - * right away (ignoring the argument), otherwise we would have - * to rely on I/O permission maps, which are not implemented. - */ -int -linux_sys_iopl(struct proc *p, void *v, register_t *retval) -{ -#if 0 - struct linux_sys_iopl_args /* { - syscallarg(int) level; - } */ *uap = v; -#endif - struct trapframe *fp = p->p_md.md_regs; - - if (suser(p, 0) != 0) - return EPERM; - if (securelevel > 0) - return EPERM; - fp->tf_eflags |= PSL_IOPL; - *retval = 0; - return 0; -} - -/* - * See above. If a root process tries to set access to an I/O port, - * just let it have the whole range. - */ -int -linux_sys_ioperm(struct proc *p, void *v, register_t *retval) -{ - struct linux_sys_ioperm_args /* { - syscallarg(unsigned int) lo; - syscallarg(unsigned int) hi; - syscallarg(int) val; - } */ *uap = v; - struct trapframe *fp = p->p_md.md_regs; - - if (suser(p, 0) != 0) - return EPERM; - if (securelevel > 0) - return EPERM; - if (SCARG(uap, val)) - fp->tf_eflags |= PSL_IOPL; - *retval = 0; - return 0; -} - -int -linux_sys_set_thread_area(struct proc *p, void *v, register_t *retval) -{ - struct linux_sys_set_thread_area_args *uap = v; - struct l_segment_descriptor ldesc; - int error; - - error = copyin(SCARG(uap, desc), &ldesc, sizeof ldesc); - if (error != 0) - return error; - - if (ldesc.entry_number == -1) { - ldesc.entry_number = GUGS_SEL; - if ((error = copyout(&ldesc, SCARG(uap, desc), sizeof ldesc))) - return error; - } else if (ldesc.entry_number != GUGS_SEL) - return EINVAL; - - return i386_set_threadbase(p, ldesc.base_addr, TSEG_GS); -} - -int -linux_sys_get_thread_area(struct proc *p, void *v, register_t *retval) -{ - struct linux_sys_get_thread_area_args *uap = v; - struct l_segment_descriptor info; - int error; - int idx; - - error = copyin(SCARG(uap, desc), &info, sizeof(info)); - if (error) - return error; - - idx = info.entry_number; - if (idx != GUGS_SEL) - return (EINVAL); - - info.base_addr = i386_get_threadbase(p, TSEG_GS); - info.limit = atop(VM_MAXUSER_ADDRESS) - 1; - info.seg_32bit = 1; - info.contents = 0; - info.read_exec_only = 0; /* SDT_MEMRWA */ - info.limit_in_pages = 1; - info.seg_not_present = 0; - info.useable = 1; - - return (copyout(&info, SCARG(uap, desc), sizeof(SCARG(uap, desc)))); -} diff --git a/sys/arch/i386/include/linux_machdep.h b/sys/arch/i386/include/linux_machdep.h deleted file mode 100644 index 4b9b2f5bcc8..00000000000 --- a/sys/arch/i386/include/linux_machdep.h +++ /dev/null @@ -1,137 +0,0 @@ -/* $OpenBSD: linux_machdep.h,v 1.10 2011/04/04 21:50:41 pirofti Exp $ */ -/* $NetBSD: linux_machdep.h,v 1.5 1996/05/03 19:26:28 christos Exp $ */ - -/* - * Copyright (c) 1995 Frank van der Linden - * All rights reserved. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed for the NetBSD Project - * by Frank van der Linden - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. - */ - -#ifndef _LINUX_MACHDEP_H -#define _LINUX_MACHDEP_H - -/* - * The Linux sigcontext, pretty much a standard 386 trapframe. - */ - -struct linux_sigcontext { - int sc_gs; - int sc_fs; - int sc_es; - int sc_ds; - int sc_edi; - int sc_esi; - int sc_ebp; - int sc_esp; - int sc_ebx; - int sc_edx; - int sc_ecx; - int sc_eax; - int sc_trapno; - int sc_err; - int sc_eip; - int sc_cs; - int sc_eflags; - int sc_esp_at_signal; - int sc_ss; - int sc_387; - int sc_mask; - int sc_cr2; -}; - -/* - * We make the stack look like Linux expects it when calling a signal - * handler, but use the BSD way of calling the handler and sigreturn(). - * This means that we need to pass the pointer to the handler too. - * It is appended to the frame to not interfere with the rest of it. - */ - -struct linux_sigframe { - int sf_sig; - struct linux_sigcontext sf_sc; - sig_t sf_handler; -}; - -#ifdef _KERNEL -void linux_sendsig(sig_t, int, int, u_long, int, union sigval); -dev_t linux_fakedev(dev_t); -#endif - -/* - * Major device numbers of VT device on both Linux and NetBSD. Used in - * ugly patch to fake device numbers. - */ -#define LINUX_CONS_MAJOR 4 -#define NATIVE_CONS_MAJOR 12 - -/* - * Linux ioctl calls for the keyboard. - */ -#define LINUX_KDGKBMODE 0x4b44 -#define LINUX_KDSKBMODE 0x4b45 -#define LINUX_KDMKTONE 0x4b30 -#define LINUX_KDSETMODE 0x4b3a -#define LINUX_KDGETMODE 0x4b3b -#define LINUX_KDENABIO 0x4b36 -#define LINUX_KDDISABIO 0x4b37 -#define LINUX_KDGETLED 0x4b31 -#define LINUX_KDSETLED 0x4b32 -#define LINUX_KDGKBTYPE 0x4b33 -#define LINUX_KDGKBENT 0x4b46 -#define LINUX_KIOCSOUND 0x4b2f - -/* - * Mode for KDSKBMODE which we don't have (we just use plain mode for this) - */ -#define LINUX_K_MEDIUMRAW 2 - -/* - * VT ioctl calls in Linux (the ones that pcvt can handle) - */ -#define LINUX_VT_OPENQRY 0x5600 -#define LINUX_VT_GETMODE 0x5601 -#define LINUX_VT_SETMODE 0x5602 -#define LINUX_VT_GETSTATE 0x5603 -#define LINUX_VT_RELDISP 0x5605 -#define LINUX_VT_ACTIVATE 0x5606 -#define LINUX_VT_WAITACTIVE 0x5607 -#define LINUX_VT_DISALLOCATE 0x5608 - -struct l_segment_descriptor { - unsigned int entry_number; - unsigned int base_addr; - unsigned int limit; - unsigned int seg_32bit:1; - unsigned int contents:2; - unsigned int read_exec_only:1; - unsigned int limit_in_pages:1; - unsigned int seg_not_present:1; - unsigned int useable:1; -}; - -#endif /* _LINUX_MACHDEP_H */ diff --git a/sys/sys/ioctl_compat.h b/sys/sys/ioctl_compat.h deleted file mode 100644 index 4558eb48219..00000000000 --- a/sys/sys/ioctl_compat.h +++ /dev/null @@ -1,60 +0,0 @@ -/* $OpenBSD: ioctl_compat.h,v 1.6 2014/10/09 04:13:45 tedu Exp $ */ -/* $NetBSD: ioctl_compat.h,v 1.10 1995/03/31 03:10:15 christos Exp $ */ - -/* - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * (c) UNIX System Laboratories, Inc. - * All or some portions of this file are derived from material licensed - * to the University of California by American Telephone and Telegraph - * Co. or Unix System Laboratories, Inc. and are reproduced herein with - * the permission of UNIX System Laboratories, Inc. - * - * 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. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * @(#)ioctl_compat.h 8.4 (Berkeley) 1/21/94 - */ - -#ifndef _SYS_IOCTL_COMPAT_H_ -#define _SYS_IOCTL_COMPAT_H_ - -/* - * Passthrough ioctl commands. These are passed through to devices - * as they are, it is expected that the device (whatever it is) - * will know how to deal with them. One for each emulation, so that - * no namespace clashes will occur between them, for devices that - * may be dealing with specific ioctls for multiple emulations. - * - * XXX: Currently only implemented for Linux. - */ - -struct ioctl_pt { - unsigned long com; - void *data; -}; - -#define PTIOCLINUX _IOW('Z', 3, struct ioctl_pt) - -#endif /* !_SYS_IOCTL_COMPAT_H_ */ |