1 /* 2 * 386 definition 3 */ 4 #include <u.h> 5 #include <bio.h> 6 #include "/386/include/ureg.h" 7 #include <mach.h> 8 9 #define MINREG 0 10 #define MAXREG 0 11 12 #define USIZE 0x1000 13 #define USER_REG(x) (USIZE-((19)*4)+(ulong)(x)) 14 #define FP_CTL(x) (0x0000+4+4*(x)) 15 #define FP_REG(x) (0x0000+4+7*4+10*(x)) 16 #define SCALLOFF (0x0000+4+108) 17 18 #define REGOFF(x) (USER_REG(&((struct Ureg *) 0)->x)) 19 20 #define PC REGOFF(pc) 21 #define SP REGOFF(sp) 22 #define AX REGOFF(ax) 23 24 Reglist i386reglist[] = { 25 {"DI", REGOFF(di), RINT, 'X'}, 26 {"SI", REGOFF(si), RINT, 'X'}, 27 {"BP", REGOFF(bp), RINT, 'X'}, 28 {"BX", REGOFF(bx), RINT, 'X'}, 29 {"DX", REGOFF(dx), RINT, 'X'}, 30 {"CX", REGOFF(cx), RINT, 'X'}, 31 {"AX", REGOFF(ax), RINT, 'X'}, 32 {"GS", REGOFF(gs), RINT, 'X'}, 33 {"FS", REGOFF(fs), RINT, 'X'}, 34 {"ES", REGOFF(es), RINT, 'X'}, 35 {"DS", REGOFF(ds), RINT, 'X'}, 36 {"TRAP", REGOFF(trap), RINT, 'X'}, 37 {"ECODE", REGOFF(ecode), RINT, 'X'}, 38 {"PC", PC, RINT, 'X'}, 39 {"CS", REGOFF(cs), RINT, 'X'}, 40 {"EFLAGS", REGOFF(flags), RINT, 'X'}, 41 {"SP", SP, RINT, 'X'}, 42 {"SS", REGOFF(ss), RINT, 'X'}, 43 44 {"E0", FP_CTL(0), RFLT, 'X'}, 45 {"E1", FP_CTL(1), RFLT, 'X'}, 46 {"E2", FP_CTL(2), RFLT, 'X'}, 47 {"E3", FP_CTL(3), RFLT, 'X'}, 48 {"E4", FP_CTL(4), RFLT, 'X'}, 49 {"E5", FP_CTL(5), RFLT, 'X'}, 50 {"E6", FP_CTL(6), RFLT, 'X'}, 51 {"F0", FP_REG(7), RFLT, '3'}, 52 {"F1", FP_REG(6), RFLT, '3'}, 53 {"F2", FP_REG(5), RFLT, '3'}, 54 {"F3", FP_REG(4), RFLT, '3'}, 55 {"F4", FP_REG(3), RFLT, '3'}, 56 {"F5", FP_REG(2), RFLT, '3'}, 57 {"F6", FP_REG(1), RFLT, '3'}, 58 {"F7", FP_REG(0), RFLT, '3'}, 59 { 0 } 60 }; 61 62 Mach mi386 = 63 { 64 "386", 65 MI386, /* machine type */ 66 i386reglist, /* register list */ 67 MINREG, /* minimum register */ 68 MAXREG, /* maximum register */ 69 "PC", 70 "SP", 71 0, /* link register */ 72 AX, /* return reg */ 73 0x1000, /* page size */ 74 0x80100000, /* kernel base */ 75 0, /* kernel text mask */ 76 0, /* offset of ksp in /proc/proc */ 77 4, /* correction to ksp value */ 78 4, /* offset of kpc in /proc/proc */ 79 0, /* correction to kpc value */ 80 SCALLOFF, /* offset in ublk to sys call # */ 81 1, /* quantization of pc */ 82 "setSB", /* static base register name (bogus anyways) */ 83 0, /* value */ 84 4, /* szaddr */ 85 4, /* szreg */ 86 4, /* szfloat */ 87 8, /* szdouble */ 88 }; 89