diff options
Diffstat (limited to 'sys/dev/x86emu/x86emu_util.c')
| -rw-r--r-- | sys/dev/x86emu/x86emu_util.c | 172 |
1 files changed, 89 insertions, 83 deletions
diff --git a/sys/dev/x86emu/x86emu_util.c b/sys/dev/x86emu/x86emu_util.c index e96f3af9b30..e96efc24a42 100644 --- a/sys/dev/x86emu/x86emu_util.c +++ b/sys/dev/x86emu/x86emu_util.c @@ -1,36 +1,36 @@ -/* $OpenBSD: x86emu_util.c,v 1.4 2009/06/06 06:05:27 deraadt Exp $ */ +/* $OpenBSD: x86emu_util.c,v 1.5 2009/06/18 14:19:21 pirofti Exp $ */ /* $NetBSD: x86emu_util.c,v 1.2 2007/12/04 17:32:22 joerg Exp $ */ -/**************************************************************************** -* -* Realmode X86 Emulator Library -* -* Copyright (C) 1996-1999 SciTech Software, Inc. -* Copyright (C) David Mosberger-Tang -* Copyright (C) 1999 Egbert Eich -* Copyright (C) 2007 Joerg Sonnenberger -* -* ======================================================================== -* -* Permission to use, copy, modify, distribute, and sell this software and -* its documentation for any purpose is hereby granted without fee, -* provided that the above copyright notice appear in all copies and that -* both that copyright notice and this permission notice appear in -* supporting documentation, and that the name of the authors not be used -* in advertising or publicity pertaining to distribution of the software -* without specific, written prior permission. The authors makes no -* representations about the suitability of this software for any purpose. -* It is provided "as is" without express or implied warranty. -* -* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, -* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO -* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR -* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF -* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR -* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -* PERFORMANCE OF THIS SOFTWARE. -* -****************************************************************************/ +/* + * + * Realmode X86 Emulator Library + * + * Copyright (C) 1996-1999 SciTech Software, Inc. + * Copyright (C) David Mosberger-Tang + * Copyright (C) 1999 Egbert Eich + * Copyright (C) 2007 Joerg Sonnenberger + * + * ======================================================================== + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and that + * both that copyright notice and this permission notice appear in + * supporting documentation, and that the name of the authors not be used + * in advertising or publicity pertaining to distribution of the software + * without specific, written prior permission. The authors makes no + * representations about the suitability of this software for any purpose. + * It is provided "as is" without express or implied warranty. + * + * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF + * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR + * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + */ #include <sys/param.h> #include <sys/endian.h> @@ -39,16 +39,17 @@ #include <dev/x86emu/x86emu_regs.h> -/**************************************************************************** -PARAMETERS: -addr - Emulator memory address to read -RETURNS: -Byte value read from emulator memory. - -REMARKS: -Reads a byte value from the emulator memory. -****************************************************************************/ +/* + * PARAMETERS: + * addr - Emulator memory address to read + * + * RETURNS: + * Byte value read from emulator memory. + * + * REMARKS: + * Reads a byte value from the emulator memory. + */ static uint8_t rdb(struct x86emu *emu, uint32_t addr) { @@ -56,16 +57,17 @@ rdb(struct x86emu *emu, uint32_t addr) x86emu_halt_sys(emu); return emu->mem_base[addr]; } -/**************************************************************************** -PARAMETERS: -addr - Emulator memory address to read - -RETURNS: -Word value read from emulator memory. -REMARKS: -Reads a word value from the emulator memory. -****************************************************************************/ +/* + * PARAMETERS: + * addr - Emulator memory address to read + * + * RETURNS: + * Word value read from emulator memory. + * + * REMARKS: + * Reads a word value from the emulator memory. + */ static uint16_t rdw(struct x86emu *emu, uint32_t addr) { @@ -85,15 +87,16 @@ rdw(struct x86emu *emu, uint32_t addr) return letoh16(*(u_int16_t *)(emu->mem_base + addr)); #endif } -/**************************************************************************** -PARAMETERS: -addr - Emulator memory address to read - -RETURNS: -Long value read from emulator memory. -REMARKS: -Reads a long value from the emulator memory. -****************************************************************************/ + +/* + * PARAMETERS: + * addr - Emulator memory address to read + * + * RETURNS: + * Long value read from emulator memory. + * REMARKS: + * Reads a long value from the emulator memory. + */ static uint32_t rdl(struct x86emu *emu, uint32_t addr) { @@ -115,14 +118,15 @@ rdl(struct x86emu *emu, uint32_t addr) return letoh32(*(u_int32_t *)(emu->mem_base + addr)); #endif } -/**************************************************************************** -PARAMETERS: -addr - Emulator memory address to read -val - Value to store - -REMARKS: -Writes a byte value to emulator memory. -****************************************************************************/ + +/* + * PARAMETERS: + * addr - Emulator memory address to read + * val - Value to store + * + * REMARKS: + * Writes a byte value to emulator memory. + */ static void wrb(struct x86emu *emu, uint32_t addr, uint8_t val) { @@ -130,14 +134,15 @@ wrb(struct x86emu *emu, uint32_t addr, uint8_t val) x86emu_halt_sys(emu); emu->mem_base[addr] = val; } -/**************************************************************************** -PARAMETERS: -addr - Emulator memory address to read -val - Value to store - -REMARKS: -Writes a word value to emulator memory. -****************************************************************************/ + +/* + * PARAMETERS: + * addr - Emulator memory address to read + * val - Value to store + * + * REMARKS: + * Writes a word value to emulator memory. + */ static void wrw(struct x86emu *emu, uint32_t addr, uint16_t val) { @@ -155,14 +160,15 @@ wrw(struct x86emu *emu, uint32_t addr, uint16_t val) *((u_int16_t *)(emu->mem_base + addr)) = htole16(val); #endif } -/**************************************************************************** -PARAMETERS: -addr - Emulator memory address to read -val - Value to store - -REMARKS: -Writes a long value to emulator memory. -****************************************************************************/ + +/* + * PARAMETERS: + * addr - Emulator memory address to read + * val - Value to store + * + * REMARKS: + * Writes a long value to emulator memory. + */ static void wrl(struct x86emu *emu, uint32_t addr, uint32_t val) { @@ -183,7 +189,7 @@ wrl(struct x86emu *emu, uint32_t addr, uint32_t val) #endif } -/*----------------------------- Setup -------------------------------------*/ +/* Setup */ void x86emu_init_default(struct x86emu *emu) |