diff options
Diffstat (limited to 'sys/contrib/x86emu/x86emu_util.c')
| -rw-r--r-- | sys/contrib/x86emu/x86emu_util.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/sys/contrib/x86emu/x86emu_util.c b/sys/contrib/x86emu/x86emu_util.c deleted file mode 100644 index 4172f94..0000000 --- a/sys/contrib/x86emu/x86emu_util.c +++ /dev/null @@ -1,211 +0,0 @@ -/* $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. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/endian.h> - -#include <contrib/x86emu/x86emu.h> -#include <contrib/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. - */ -static uint8_t -rdb(struct x86emu *emu, uint32_t addr) -{ - if (addr > emu->mem_size - 1) - 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. - */ -static uint16_t -rdw(struct x86emu *emu, uint32_t addr) -{ - if (addr > emu->mem_size - 2) - x86emu_halt_sys(emu); -#ifdef __STRICT_ALIGNMENT - if (addr & 1) { - u_int8_t *a = emu->mem_base + addr; - u_int16_t r; - - r = ((*(a + 0) << 0) & 0x00ff) | - ((*(a + 1) << 8) & 0xff00); - return r; - } else - return le32toh(*(u_int32_t *)(emu->mem_base + addr)); -#else - return le16toh(*(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. - */ -static uint32_t -rdl(struct x86emu *emu, uint32_t addr) -{ - if (addr > emu->mem_size - 4) - x86emu_halt_sys(emu); -#ifdef __STRICT_ALIGNMENT - if (addr & 3) { - u_int8_t *a = emu->mem_base + addr; - u_int32_t r; - - r = ((*(a + 0) << 0) & 0x000000ff) | - ((*(a + 1) << 8) & 0x0000ff00) | - ((*(a + 2) << 16) & 0x00ff0000) | - ((*(a + 3) << 24) & 0xff000000); - return r; - } else - return le32toh(*(u_int32_t *)(emu->mem_base + addr)); -#else - return le32toh(*(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. - */ -static void -wrb(struct x86emu *emu, uint32_t addr, uint8_t val) -{ - if (addr > emu->mem_size - 1) - 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. - */ -static void -wrw(struct x86emu *emu, uint32_t addr, uint16_t val) -{ - if (addr > emu->mem_size - 2) - x86emu_halt_sys(emu); -#ifdef __STRICT_ALIGNMENT - if (addr & 1) { - u_int8_t *a = emu->mem_base + addr; - - *((a + 0)) = (val >> 0) & 0xff; - *((a + 1)) = (val >> 8) & 0xff; - } else - *((u_int16_t *)(emu->mem_base + addr)) = htole16(val); -#else - *((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. - */ -static void -wrl(struct x86emu *emu, uint32_t addr, uint32_t val) -{ - if (addr > emu->mem_size - 4) - x86emu_halt_sys(emu); -#ifdef __STRICT_ALIGNMENT - if (addr & 3) { - u_int8_t *a = emu->mem_base + addr; - - *((a + 0) = (val >> 0) & 0xff; - *((a + 1) = (val >> 8) & 0xff; - *((a + 2) = (val >> 16) & 0xff; - *((a + 3) = (val >> 24) & 0xff; - } else - *((u_int32_t *)(emu->mem_base + addr)) = htole32(val); -#else - *((u_int32_t *)(emu->mem_base + addr)) = htole32(val); -#endif -} - -/* Setup */ - -void -x86emu_init_default(struct x86emu *emu) -{ - int i; - - emu->emu_rdb = rdb; - emu->emu_rdw = rdw; - emu->emu_rdl = rdl; - emu->emu_wrb = wrb; - emu->emu_wrw = wrw; - emu->emu_wrl = wrl; - - for (i = 0; i < 256; i++) - emu->_x86emu_intrTab[i] = NULL; -} |
