1 /* 2 * 386 definition 3 */ 4 #include <lib9.h> 5 #include <bio.h> 6 #include "ureg8.h" 7 #include "mach.h" 8 9 #define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x) 10 11 #define PC REGOFF(pc) 12 #define SP REGOFF(u0.sp) 13 #define AX REGOFF(ax) 14 15 #define REGSIZE sizeof(struct Ureg) 16 #define FP_CTL(x) (REGSIZE+4*(x)) 17 #define FP_REG(x) (FP_CTL(7)+10*(x)) 18 #define FPREGSIZE (6*4+8*10) 19 20 Reglist i386reglist[] = { 21 {"DI", REGOFF(di), RINT, 'X'}, 22 {"SI", REGOFF(si), RINT, 'X'}, 23 {"BP", REGOFF(bp), RINT, 'X'}, 24 {"BX", REGOFF(bx), RINT, 'X'}, 25 {"DX", REGOFF(dx), RINT, 'X'}, 26 {"CX", REGOFF(cx), RINT, 'X'}, 27 {"AX", REGOFF(ax), RINT, 'X'}, 28 {"GS", REGOFF(gs), RINT, 'X'}, 29 {"FS", REGOFF(fs), RINT, 'X'}, 30 {"ES", REGOFF(es), RINT, 'X'}, 31 {"DS", REGOFF(ds), RINT, 'X'}, 32 {"TRAP", REGOFF(trap), RINT, 'X'}, 33 {"ECODE", REGOFF(ecode), RINT, 'X'}, 34 {"PC", PC, RINT, 'X'}, 35 {"CS", REGOFF(cs), RINT, 'X'}, 36 {"EFLAGS", REGOFF(flags), RINT, 'X'}, 37 {"SP", SP, RINT, 'X'}, 38 {"SS", REGOFF(ss), RINT, 'X'}, 39 40 {"E0", FP_CTL(0), RFLT, 'X'}, 41 {"E1", FP_CTL(1), RFLT, 'X'}, 42 {"E2", FP_CTL(2), RFLT, 'X'}, 43 {"E3", FP_CTL(3), RFLT, 'X'}, 44 {"E4", FP_CTL(4), RFLT, 'X'}, 45 {"E5", FP_CTL(5), RFLT, 'X'}, 46 {"E6", FP_CTL(6), RFLT, 'X'}, 47 {"F0", FP_REG(7), RFLT, '3'}, 48 {"F1", FP_REG(6), RFLT, '3'}, 49 {"F2", FP_REG(5), RFLT, '3'}, 50 {"F3", FP_REG(4), RFLT, '3'}, 51 {"F4", FP_REG(3), RFLT, '3'}, 52 {"F5", FP_REG(2), RFLT, '3'}, 53 {"F6", FP_REG(1), RFLT, '3'}, 54 {"F7", FP_REG(0), RFLT, '3'}, 55 { 0 } 56 }; 57 58 Mach mi386 = 59 { 60 "386", 61 MI386, /* machine type */ 62 i386reglist, /* register list */ 63 REGSIZE, /* size of registers in bytes */ 64 FPREGSIZE, /* size of fp registers in bytes */ 65 "PC", /* name of PC */ 66 "SP", /* name of SP */ 67 0, /* link register */ 68 "setSB", /* static base register name (bogus anyways) */ 69 0, /* static base register value */ 70 0x1000, /* page size */ 71 0x80100000, /* kernel base */ 72 0, /* kernel text mask */ 73 1, /* quantization of pc */ 74 4, /* szaddr */ 75 4, /* szreg */ 76 4, /* szfloat */ 77 8, /* szdouble */ 78 }; 79