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[src/trunk]: src/sys Move arch/i386/i386/freebsd_* into compat/freebsd/. COMP...



details:   https://anonhg.NetBSD.org/src/rev/a2f74c4fe3e5
branches:  trunk
changeset: 825829:a2f74c4fe3e5
user:      maxv <maxv%NetBSD.org@localhost>
date:      Tue Aug 01 14:43:54 2017 +0000

description:
Move arch/i386/i386/freebsd_* into compat/freebsd/. COMPAT_FREEBSD is
i386-specific.

diffstat:

 sys/arch/i386/conf/files.i386        |    5 +-
 sys/arch/i386/i386/freebsd_machdep.c |  252 -----------------------------------
 sys/arch/i386/i386/freebsd_sigcode.S |   91 ------------
 sys/arch/i386/i386/freebsd_syscall.c |  150 --------------------
 sys/arch/xen/conf/files.xen          |    5 +-
 sys/compat/freebsd/files.freebsd     |   11 +-
 sys/compat/freebsd/freebsd_machdep.c |  252 +++++++++++++++++++++++++++++++++++
 sys/compat/freebsd/freebsd_sigcode.S |   91 ++++++++++++
 sys/compat/freebsd/freebsd_syscall.c |  150 ++++++++++++++++++++
 sys/modules/compat_freebsd/Makefile  |    3 +-
 10 files changed, 502 insertions(+), 508 deletions(-)

diffs (truncated from 1096 to 300 lines):

diff -r 82dd4f353779 -r a2f74c4fe3e5 sys/arch/i386/conf/files.i386
--- a/sys/arch/i386/conf/files.i386     Tue Aug 01 14:23:42 2017 +0000
+++ b/sys/arch/i386/conf/files.i386     Tue Aug 01 14:43:54 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.i386,v 1.382 2017/08/01 13:47:49 maxv Exp $
+#      $NetBSD: files.i386,v 1.383 2017/08/01 14:43:54 maxv Exp $
 #
 # new style config file for i386 architecture
 #
@@ -340,9 +340,6 @@
 
 # FreeBSD binary compatibility (COMPAT_FREEBSD)
 include        "compat/freebsd/files.freebsd"
-file   arch/i386/i386/freebsd_machdep.c        compat_freebsd
-file   arch/i386/i386/freebsd_sigcode.S        compat_freebsd
-file   arch/i386/i386/freebsd_syscall.c        compat_freebsd
 
 # NDIS compatibilty (COMPAT_NDIS)
 include "compat/ndis/files.ndis"
diff -r 82dd4f353779 -r a2f74c4fe3e5 sys/arch/i386/i386/freebsd_machdep.c
--- a/sys/arch/i386/i386/freebsd_machdep.c      Tue Aug 01 14:23:42 2017 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,252 +0,0 @@
-/*     $NetBSD: freebsd_machdep.c,v 1.60 2014/02/23 22:35:27 dsl Exp $ */
-
-/*-
- * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Charles M. Hannum.
- *
- * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- */
-
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: freebsd_machdep.c,v 1.60 2014/02/23 22:35:27 dsl Exp $");
-
-#if defined(_KERNEL_OPT)
-#include "opt_vm86.h"
-#endif
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/signalvar.h>
-#include <sys/proc.h>
-#include <sys/exec.h>
-#include <sys/mount.h>
-
-#include <compat/sys/signal.h>
-
-#include <machine/cpufunc.h>
-#include <x86/fpu.h>
-#include <machine/reg.h>
-#include <machine/vm86.h>
-#include <machine/vmparam.h>
-#include <machine/freebsd_machdep.h>
-
-
-#include <compat/freebsd/freebsd_syscallargs.h>
-#include <compat/freebsd/freebsd_exec.h>
-#include <compat/freebsd/freebsd_signal.h>
-
-void
-freebsd_setregs(struct lwp *l, struct exec_package *epp, vaddr_t stack)
-{
-
-       setregs(l, epp, stack);
-       fpu_set_default_cw(l, __FreeBSD_NPXCW__);
-}
-
-/*
- * signal support
- */
-
-/*
- * 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
-freebsd_sendsig(const ksiginfo_t *ksi, const sigset_t *mask)
-{
-       int sig = ksi->ksi_signo;
-       u_long code = KSI_TRAPCODE(ksi);
-       struct lwp *l = curlwp;
-       struct proc *p = l->l_proc;
-       int onstack, error;
-       struct freebsd_sigframe *fp = getframe(l, sig, &onstack), frame;
-       sig_t catcher = SIGACTION(p, sig).sa_handler;
-       struct trapframe *tf = l->l_md.md_regs;
-
-       fp--;
-
-       /* Build stack frame for signal trampoline. */
-       frame.sf_signum = sig;
-       frame.sf_code = code;
-       frame.sf_scp = &fp->sf_sc;
-       frame.sf_addr = (char *)rcr2();
-       frame.sf_handler = catcher;
-
-       /* Save context. */
-#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_efl = get_vflags(l);
-               (*p->p_emul->e_syscall_intern)(p);
-       } else
-#endif
-       {
-               frame.sf_sc.sc_gs = tf->tf_gs;
-               frame.sf_sc.sc_fs = tf->tf_fs;
-               frame.sf_sc.sc_es = tf->tf_es;
-               frame.sf_sc.sc_ds = tf->tf_ds;
-               frame.sf_sc.sc_efl = 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_isp = 0; /* don't have to pass kernel sp to user. */
-       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 = tf->tf_esp;
-       frame.sf_sc.sc_ss = tf->tf_ss;
-
-       /* Save signal stack. */
-       frame.sf_sc.sc_onstack = l->l_sigstk.ss_flags & SS_ONSTACK;
-
-       /* Save signal mask. */
-       /* XXX freebsd_osigcontext compat? */
-       frame.sf_sc.sc_mask = *mask;
-
-       sendsig_reset(l, sig);
-
-       mutex_exit(p->p_lock);
-       error = copyout(&frame, fp, sizeof(frame));
-       mutex_enter(p->p_lock);
-
-       if (error != 0) {
-               /*
-                * Process has trashed its stack; give it an illegal
-                * instruction to halt it in its tracks.
-                */
-               sigexit(l, SIGILL);
-               /* NOTREACHED */
-       }
-
-       buildcontext(l, GUCODEBIG_SEL, p->p_sigctx.ps_sigcode, fp);
-
-       /* Remember that we're now on the signal stack. */
-       if (onstack)
-               l->l_sigstk.ss_flags |= SS_ONSTACK;
-}
-
-/*
- * 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
-freebsd_sys_sigreturn(struct lwp *l, const struct freebsd_sys_sigreturn_args *uap, register_t *retval)
-{
-       /* {
-               syscallarg(struct freebsd_sigcontext *) scp;
-       } */
-       struct proc *p = l->l_proc;
-       struct freebsd_sigcontext *scp, context;
-       struct trapframe *tf;
-       sigset_t mask;
-
-       /*
-        * 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((void *)scp, &context, sizeof(*scp)) != 0)
-               return (EFAULT);
-
-       /* Restore register context. */
-       tf = l->l_md.md_regs;
-#ifdef VM86
-       if (context.sc_efl & PSL_VM) {
-               void syscall_vm86(struct trapframe *);
-
-               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(l, context.sc_efl);
-               p->p_md.md_syscall = syscall_vm86;
-       } 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_efl ^ tf->tf_eflags) & PSL_USERSTATIC) != 0 ||
-                   !USERMODE(context.sc_cs, context.sc_efl))
-                       return (EINVAL);
-
-               tf->tf_gs = context.sc_gs;
-               tf->tf_fs = context.sc_fs;
-               tf->tf_es = context.sc_es;
-               tf->tf_ds = context.sc_ds;
-               tf->tf_eflags &= ~PSL_USER;
-               tf->tf_eflags |= context.sc_efl & PSL_USER;
-       }
-       tf->tf_edi = context.sc_edi;
-       tf->tf_esi = context.sc_esi;
-       tf->tf_ebp = context.sc_ebp;
-       /* FreeBSD's context.sc_isp is useless. (`popal' ignores it.) */
-       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;
-       tf->tf_ss = context.sc_ss;
-
-       mutex_enter(p->p_lock);
-       /* Restore signal stack. */
-       if (context.sc_onstack & SS_ONSTACK)
-               l->l_sigstk.ss_flags |= SS_ONSTACK;
-       else
-               l->l_sigstk.ss_flags &= ~SS_ONSTACK;
-       /* Restore signal mask. */
-       /* XXX freebsd_osigcontext compat? */
-       mask = context.sc_mask;
-       (void) sigprocmask1(l, SIG_SETMASK, &mask, 0);
-       mutex_exit(p->p_lock);
-
-       return (EJUSTRETURN);
-}
-
diff -r 82dd4f353779 -r a2f74c4fe3e5 sys/arch/i386/i386/freebsd_sigcode.S
--- a/sys/arch/i386/i386/freebsd_sigcode.S      Tue Aug 01 14:23:42 2017 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,91 +0,0 @@
-/*     $NetBSD: freebsd_sigcode.S,v 1.5 2008/04/28 20:23:24 martin Exp $       */
-
-/*-
- * Copyright (c) 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Charles M. Hannum.
- *
- * 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 NETBSD FOUNDATION, INC. 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



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