Subversion Repositories planix.SVN

/*
 * 386 definition
 */
#include <u.h>
#include <libc.h>
#include <bio.h>
#include "/386/include/ureg.h"
#include <mach.h>

#define REGOFF(x)       (ulong)(&((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 */
        0xF0100000ULL,  /* kernel base */
        0xF0000000ULL,  /* kernel text mask */
        0x7FFFFFFFULL,  /* user stack top */
        1,              /* quantization of pc */
        4,              /* szaddr */
        4,              /* szreg */
        4,              /* szfloat */
        8,              /* szdouble */
};