1 /* 2 * mips definition 3 */ 4 #include <u.h> 5 #include <libc.h> 6 #include <bio.h> 7 #include "/mips/include/ureg.h" 8 #include <mach.h> 9 10 #define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x) 11 12 #define SP REGOFF(sp) 13 #define PC REGOFF(pc) 14 #define R1 REGOFF(r1) 15 #define R31 REGOFF(r31) 16 #define FP_REG(x) (R1+4+4*(x)) 17 18 #define REGSIZE sizeof(struct Ureg) 19 #define FPREGSIZE (4*33) 20 21 Reglist mipsreglist[] = { 22 {"STATUS", REGOFF(status), RINT|RRDONLY, 'X'}, 23 {"CAUSE", REGOFF(cause), RINT|RRDONLY, 'X'}, 24 {"BADVADDR", REGOFF(badvaddr), RINT|RRDONLY, 'X'}, 25 {"TLBVIRT", REGOFF(tlbvirt), RINT|RRDONLY, 'X'}, 26 {"HI", REGOFF(hi), RINT|RRDONLY, 'X'}, 27 {"LO", REGOFF(lo), RINT|RRDONLY, 'X'}, 28 {"PC", PC, RINT, 'X'}, 29 {"SP", SP, RINT, 'X'}, 30 {"R31", R31, RINT, 'X'}, 31 {"R30", REGOFF(r30), RINT, 'X'}, 32 {"R28", REGOFF(r28), RINT, 'X'}, 33 {"R27", REGOFF(r27), RINT, 'X'}, 34 {"R26", REGOFF(r26), RINT, 'X'}, 35 {"R25", REGOFF(r25), RINT, 'X'}, 36 {"R24", REGOFF(r24), RINT, 'X'}, 37 {"R23", REGOFF(r23), RINT, 'X'}, 38 {"R22", REGOFF(r22), RINT, 'X'}, 39 {"R21", REGOFF(r21), RINT, 'X'}, 40 {"R20", REGOFF(r20), RINT, 'X'}, 41 {"R19", REGOFF(r19), RINT, 'X'}, 42 {"R18", REGOFF(r18), RINT, 'X'}, 43 {"R17", REGOFF(r17), RINT, 'X'}, 44 {"R16", REGOFF(r16), RINT, 'X'}, 45 {"R15", REGOFF(r15), RINT, 'X'}, 46 {"R14", REGOFF(r14), RINT, 'X'}, 47 {"R13", REGOFF(r13), RINT, 'X'}, 48 {"R12", REGOFF(r12), RINT, 'X'}, 49 {"R11", REGOFF(r11), RINT, 'X'}, 50 {"R10", REGOFF(r10), RINT, 'X'}, 51 {"R9", REGOFF(r9), RINT, 'X'}, 52 {"R8", REGOFF(r8), RINT, 'X'}, 53 {"R7", REGOFF(r7), RINT, 'X'}, 54 {"R6", REGOFF(r6), RINT, 'X'}, 55 {"R5", REGOFF(r5), RINT, 'X'}, 56 {"R4", REGOFF(r4), RINT, 'X'}, 57 {"R3", REGOFF(r3), RINT, 'X'}, 58 {"R2", REGOFF(r2), RINT, 'X'}, 59 {"R1", REGOFF(r1), RINT, 'X'}, 60 {"F0", FP_REG(0), RFLT, 'F'}, 61 {"F1", FP_REG(1), RFLT, 'f'}, 62 {"F2", FP_REG(2), RFLT, 'F'}, 63 {"F3", FP_REG(3), RFLT, 'f'}, 64 {"F4", FP_REG(4), RFLT, 'F'}, 65 {"F5", FP_REG(5), RFLT, 'f'}, 66 {"F6", FP_REG(6), RFLT, 'F'}, 67 {"F7", FP_REG(7), RFLT, 'f'}, 68 {"F8", FP_REG(8), RFLT, 'F'}, 69 {"F9", FP_REG(9), RFLT, 'f'}, 70 {"F10", FP_REG(10), RFLT, 'F'}, 71 {"F11", FP_REG(11), RFLT, 'f'}, 72 {"F12", FP_REG(12), RFLT, 'F'}, 73 {"F13", FP_REG(13), RFLT, 'f'}, 74 {"F14", FP_REG(14), RFLT, 'F'}, 75 {"F15", FP_REG(15), RFLT, 'f'}, 76 {"F16", FP_REG(16), RFLT, 'F'}, 77 {"F17", FP_REG(17), RFLT, 'f'}, 78 {"F18", FP_REG(18), RFLT, 'F'}, 79 {"F19", FP_REG(19), RFLT, 'f'}, 80 {"F20", FP_REG(20), RFLT, 'F'}, 81 {"F21", FP_REG(21), RFLT, 'f'}, 82 {"F22", FP_REG(22), RFLT, 'F'}, 83 {"F23", FP_REG(23), RFLT, 'f'}, 84 {"F24", FP_REG(24), RFLT, 'F'}, 85 {"F25", FP_REG(25), RFLT, 'f'}, 86 {"F26", FP_REG(26), RFLT, 'F'}, 87 {"F27", FP_REG(27), RFLT, 'f'}, 88 {"F28", FP_REG(28), RFLT, 'F'}, 89 {"F29", FP_REG(29), RFLT, 'f'}, 90 {"F30", FP_REG(30), RFLT, 'F'}, 91 {"F31", FP_REG(31), RFLT, 'f'}, 92 {"FPCR", FP_REG(32), RFLT, 'X'}, 93 { 0 } 94 }; 95 96 /* the machine description */ 97 Mach mmips = 98 { 99 "mips", 100 MMIPS, /* machine type */ 101 mipsreglist, /* register set */ 102 REGSIZE, /* number of bytes in reg set */ 103 FPREGSIZE, /* number of bytes in fp reg set */ 104 "PC", /* name of PC */ 105 "SP", /* name of SP */ 106 "R31", /* name of link register */ 107 "setR30", /* static base register name */ 108 0, /* value */ 109 16*1024, /* page size */ 110 0x80000000ULL, /* kernel base */ 111 0x80000000ULL, /* kernel text mask */ 112 0x7FFFFFFFULL, /* user stack top */ 113 4, /* quantization of pc */ 114 4, /* szaddr */ 115 4, /* szreg */ 116 4, /* szfloat */ 117 8, /* szdouble */ 118 }; 119