initial import of NetBSD tree

1 files changed, 114 insertions, 0 deletions

diff --git a/sys/arch/i386/include/linux_machdep.h b/sys/arch/i386/include/linux_machdep.h
new file mode 100644
index 00000000000..4b81becda32
--- /dev/null
+++ b/sys/arch/i386/include/linux_machdep.h
@@ -0,0 +1,114 @@
+/*	$NetBSD: linux_machdep.h,v 1.4 1995/08/27 20:57:18 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.
+ */
+
+#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;
+};
+
+void linux_sendsig __P((sig_t, int, int, u_long));
+
+/*
+ * 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 NETBSD_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_KDENABIO    0x4b36
+#define LINUX_KDDISABIO   0x4b37
+#define LINUX_KDGETLED    0x4b31
+#define LINUX_KDSETLED    0x4b32
+/*
+ * 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_RELDISP    0x5605
+#define LINUX_VT_ACTIVATE   0x5606
+#define LINUX_VT_WAITACTIVE 0x5607
+
+#endif /* _LINUX_MACHDEP_H */