62ffb9c16e
when libmach is compiled with 6c, unions in the 32bit Uregs cause fields to be wronly aligned. use #pragma pack arround the #include "/$objtype/include/ureg.h" statement.
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
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* 386 definition
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*/
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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <mach.h>
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#pragma pack on
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#include "/386/include/ureg.h"
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#pragma pack off
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#define REGOFF(x) (uintptr)(&((struct Ureg *) 0)->x)
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#define PC REGOFF(pc)
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#define SP REGOFF(sp)
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#define AX REGOFF(ax)
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#define REGSIZE sizeof(struct Ureg)
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#define FP_CTLS(x) (REGSIZE+2*(x))
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#define FP_CTL(x) (REGSIZE+4*(x))
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#define FP_REG(x) (FP_CTL(8)+16*(x))
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#define XM_REG(x) (FP_CTL(8)+8*16+16*(x))
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#define FPREGSIZE 512
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Reglist i386reglist[] = {
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{"DI", REGOFF(di), RINT, 'X'},
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{"SI", REGOFF(si), RINT, 'X'},
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{"BP", REGOFF(bp), RINT, 'X'},
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{"BX", REGOFF(bx), RINT, 'X'},
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{"DX", REGOFF(dx), RINT, 'X'},
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{"CX", REGOFF(cx), RINT, 'X'},
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{"AX", REGOFF(ax), RINT, 'X'},
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{"GS", REGOFF(gs), RINT, 'X'},
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{"FS", REGOFF(fs), RINT, 'X'},
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{"ES", REGOFF(es), RINT, 'X'},
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{"DS", REGOFF(ds), RINT, 'X'},
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{"TRAP", REGOFF(trap), RINT, 'X'},
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{"ECODE", REGOFF(ecode), RINT, 'X'},
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{"PC", PC, RINT, 'X'},
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{"CS", REGOFF(cs), RINT, 'X'},
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{"EFLAGS", REGOFF(flags), RINT, 'X'},
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{"SP", SP, RINT, 'X'},
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{"SS", REGOFF(ss), RINT, 'X'},
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{"FCW", FP_CTLS(0), RFLT, 'x'},
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{"FSW", FP_CTLS(1), RFLT, 'x'},
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{"FTW", FP_CTLS(2), RFLT, 'b'},
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{"FOP", FP_CTLS(3), RFLT, 'x'},
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{"FIP", FP_CTL(2), RFLT, 'X'},
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{"FCS", FP_CTLS(6), RFLT, 'x'},
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{"FDP", FP_CTL(4), RFLT, 'X'},
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{"FDS", FP_CTLS(10), RFLT, 'x'},
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{"MXCSR", FP_CTL(6), RFLT, 'X'},
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{"MXCSRMASK", FP_CTL(7), RFLT, 'X'},
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{"M0", FP_REG(0), RFLT, 'F'}, /* assumes double */
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{"M1", FP_REG(1), RFLT, 'F'},
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{"M2", FP_REG(2), RFLT, 'F'},
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{"M3", FP_REG(3), RFLT, 'F'},
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{"M4", FP_REG(4), RFLT, 'F'},
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{"M5", FP_REG(5), RFLT, 'F'},
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{"M6", FP_REG(6), RFLT, 'F'},
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{"M7", FP_REG(7), RFLT, 'F'},
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{"X0", XM_REG(0), RFLT, 'F'}, /* assumes double */
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{"X1", XM_REG(1), RFLT, 'F'},
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{"X2", XM_REG(2), RFLT, 'F'},
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{"X3", XM_REG(3), RFLT, 'F'},
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{"X4", XM_REG(4), RFLT, 'F'},
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{"X5", XM_REG(5), RFLT, 'F'},
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{"X6", XM_REG(6), RFLT, 'F'},
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{"X7", XM_REG(7), RFLT, 'F'},
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{"F0", FP_REG(0), RFLT, '3'},
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{"F1", FP_REG(1), RFLT, '3'},
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{"F2", FP_REG(2), RFLT, '3'},
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{"F3", FP_REG(3), RFLT, '3'},
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{"F4", FP_REG(4), RFLT, '3'},
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{"F5", FP_REG(5), RFLT, '3'},
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{"F6", FP_REG(6), RFLT, '3'},
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{"F7", FP_REG(7), RFLT, '3'},
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{ 0 }
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};
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Mach mi386 =
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{
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"386",
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MI386, /* machine type */
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i386reglist, /* register list */
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REGSIZE, /* size of registers in bytes */
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FPREGSIZE, /* size of fp registers in bytes */
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"PC", /* name of PC */
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"SP", /* name of SP */
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0, /* link register */
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"setSB", /* static base register name (bogus anyways) */
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0, /* static base register value */
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0x1000, /* page size */
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0xF0100000ULL, /* kernel base */
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0xF0000000ULL, /* kernel text mask */
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0x7FFFFFFFULL, /* user stack top */
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1, /* quantization of pc */
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4, /* szaddr */
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4, /* szreg */
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4, /* szfloat */
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8, /* szdouble */
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};
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