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diff --git a/src/libmach/8.c b/src/libmach/8.c
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-// Inferno libmach/8.c
-// http://code.google.com/p/inferno-os/source/browse/utils/libmach/8.c
-//
-// Copyright © 1994-1999 Lucent Technologies Inc.
-// Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net).
-// Portions Copyright © 1997-1999 Vita Nuova Limited.
-// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).
-// Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
-// Portions Copyright © 2009 The Go Authors. All rights reserved.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-/*
- * 386 definition
- */
-#include <u.h>
-#include <libc.h>
-#include <bio.h>
-#include <ureg_x86.h>
-#include <mach.h>
-
-#define REGOFF(x) (uintptr)(&((struct Ureg *) 0)->x)
-
-#define PC REGOFF(pc)
-#define SP REGOFF(sp)
-#define AX REGOFF(ax)
-
-#define REGSIZE sizeof(struct Ureg)
-#define FP_CTL(x) (REGSIZE+4*(x))
-#define FP_REG(x) (FP_CTL(7)+10*(x))
-#define FPREGSIZE (7*4+8*10)
-
-Reglist i386reglist[] = {
- {"DI", REGOFF(di), RINT, 'X'},
- {"SI", REGOFF(si), RINT, 'X'},
- {"BP", REGOFF(bp), RINT, 'X'},
- {"BX", REGOFF(bx), RINT, 'X'},
- {"DX", REGOFF(dx), RINT, 'X'},
- {"CX", REGOFF(cx), RINT, 'X'},
- {"AX", REGOFF(ax), RINT, 'X'},
- {"GS", REGOFF(gs), RINT, 'X'},
- {"FS", REGOFF(fs), RINT, 'X'},
- {"ES", REGOFF(es), RINT, 'X'},
- {"DS", REGOFF(ds), RINT, 'X'},
- {"TRAP", REGOFF(trap), RINT, 'X'},
- {"ECODE", REGOFF(ecode), RINT, 'X'},
- {"PC", PC, RINT, 'X'},
- {"CS", REGOFF(cs), RINT, 'X'},
- {"EFLAGS", REGOFF(flags), RINT, 'X'},
- {"SP", SP, RINT, 'X'},
- {"SS", REGOFF(ss), RINT, 'X'},
-
- {"E0", FP_CTL(0), RFLT, 'X'},
- {"E1", FP_CTL(1), RFLT, 'X'},
- {"E2", FP_CTL(2), RFLT, 'X'},
- {"E3", FP_CTL(3), RFLT, 'X'},
- {"E4", FP_CTL(4), RFLT, 'X'},
- {"E5", FP_CTL(5), RFLT, 'X'},
- {"E6", FP_CTL(6), RFLT, 'X'},
- {"F0", FP_REG(0), RFLT, '3'},
- {"F1", FP_REG(1), RFLT, '3'},
- {"F2", FP_REG(2), RFLT, '3'},
- {"F3", FP_REG(3), RFLT, '3'},
- {"F4", FP_REG(4), RFLT, '3'},
- {"F5", FP_REG(5), RFLT, '3'},
- {"F6", FP_REG(6), RFLT, '3'},
- {"F7", FP_REG(7), RFLT, '3'},
- { 0 }
-};
-
-Mach mi386 =
-{
- "386",
- MI386, /* machine type */
- i386reglist, /* register list */
- REGSIZE, /* size of registers in bytes */
- FPREGSIZE, /* size of fp registers in bytes */
- "PC", /* name of PC */
- "SP", /* name of SP */
- 0, /* link register */
- "setSB", /* static base register name (bogus anyways) */
- 0, /* static base register value */
- 0x1000, /* page size */
- 0x80100000ULL, /* kernel base */
- 0xF0000000ULL, /* kernel text mask */
- 0xFFFFFFFFULL, /* user stack top */
- 1, /* quantization of pc */
- 4, /* szaddr */
- 4, /* szreg */
- 4, /* szfloat */
- 8, /* szdouble */
-};