ref: c44aabebe17d7bc8e6173e2b3d1a6e7b4f5edaf5
dir: /utils/libmach/8.c/
/*
* 386 definition
*/
#include <lib9.h>
#include <bio.h>
#include "ureg8.h"
#include "mach.h"
#define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x)
#define PC REGOFF(pc)
#define SP REGOFF(u0.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 */
0x80100000, /* kernel base */
0x80000000, /* kernel text mask */
0x7FFFFFFF, /* user stack top */
1, /* quantization of pc */
4, /* szaddr */
4, /* szreg */
4, /* szfloat */
8, /* szdouble */
};