ref: d8d47f14b5ed8f6d3f892761ed86c6ce2075c337
dir: /sys/src/libmach/7.c/
/* * alpha definition */ #include <u.h> #include <libc.h> #include <bio.h> #include "/alpha/include/ureg.h" #include <mach.h> #define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x) #define REGSIZE sizeof(struct Ureg) #define FPREGSIZE (8*33) #define SP REGOFF(sp) #define PC REGOFF(pc) #define FP_REG(x) (REGSIZE+8*(x)) Reglist alphareglist[] = { {"STATUS", REGOFF(status), RINT|RRDONLY, 'W'}, {"TYPE", REGOFF(type), RINT|RRDONLY, 'W'}, {"A0", REGOFF(a0), RINT|RRDONLY, 'W'}, {"A1", REGOFF(a1), RINT|RRDONLY, 'W'}, {"A2", REGOFF(a2), RINT|RRDONLY, 'W'}, {"PC", PC, RINT, 'X'}, {"SP", SP, RINT, 'X'}, {"R29", REGOFF(r29), RINT, 'W'}, {"R28", REGOFF(r28), RINT, 'W'}, {"R27", REGOFF(r27), RINT, 'W'}, {"R26", REGOFF(r26), RINT, 'W'}, {"R25", REGOFF(r25), RINT, 'W'}, {"R24", REGOFF(r24), RINT, 'W'}, {"R23", REGOFF(r23), RINT, 'W'}, {"R22", REGOFF(r22), RINT, 'W'}, {"R21", REGOFF(r21), RINT, 'W'}, {"R20", REGOFF(r20), RINT, 'W'}, {"R19", REGOFF(r19), RINT, 'W'}, {"R18", REGOFF(r18), RINT, 'W'}, {"R17", REGOFF(r17), RINT, 'W'}, {"R16", REGOFF(r16), RINT, 'W'}, {"R15", REGOFF(r15), RINT, 'W'}, {"R14", REGOFF(r14), RINT, 'W'}, {"R13", REGOFF(r13), RINT, 'W'}, {"R12", REGOFF(r12), RINT, 'W'}, {"R11", REGOFF(r11), RINT, 'W'}, {"R10", REGOFF(r10), RINT, 'W'}, {"R9", REGOFF(r9), RINT, 'W'}, {"R8", REGOFF(r8), RINT, 'W'}, {"R7", REGOFF(r7), RINT, 'W'}, {"R6", REGOFF(r6), RINT, 'W'}, {"R5", REGOFF(r5), RINT, 'W'}, {"R4", REGOFF(r4), RINT, 'W'}, {"R3", REGOFF(r3), RINT, 'W'}, {"R2", REGOFF(r2), RINT, 'W'}, {"R1", REGOFF(r1), RINT, 'W'}, {"R0", REGOFF(r0), RINT, 'W'}, {"F0", FP_REG(0), RFLT, 'F'}, {"F1", FP_REG(1), RFLT, 'F'}, {"F2", FP_REG(2), RFLT, 'F'}, {"F3", FP_REG(3), RFLT, 'F'}, {"F4", FP_REG(4), RFLT, 'F'}, {"F5", FP_REG(5), RFLT, 'F'}, {"F6", FP_REG(6), RFLT, 'F'}, {"F7", FP_REG(7), RFLT, 'F'}, {"F8", FP_REG(8), RFLT, 'F'}, {"F9", FP_REG(9), RFLT, 'F'}, {"F10", FP_REG(10), RFLT, 'F'}, {"F11", FP_REG(11), RFLT, 'F'}, {"F12", FP_REG(12), RFLT, 'F'}, {"F13", FP_REG(13), RFLT, 'F'}, {"F14", FP_REG(14), RFLT, 'F'}, {"F15", FP_REG(15), RFLT, 'F'}, {"F16", FP_REG(16), RFLT, 'F'}, {"F17", FP_REG(17), RFLT, 'F'}, {"F18", FP_REG(18), RFLT, 'F'}, {"F19", FP_REG(19), RFLT, 'F'}, {"F20", FP_REG(20), RFLT, 'F'}, {"F21", FP_REG(21), RFLT, 'F'}, {"F22", FP_REG(22), RFLT, 'F'}, {"F23", FP_REG(23), RFLT, 'F'}, {"F24", FP_REG(24), RFLT, 'F'}, {"F25", FP_REG(25), RFLT, 'F'}, {"F26", FP_REG(26), RFLT, 'F'}, {"F27", FP_REG(27), RFLT, 'F'}, {"F28", FP_REG(28), RFLT, 'F'}, {"F29", FP_REG(29), RFLT, 'F'}, {"F30", FP_REG(30), RFLT, 'F'}, {"F31", FP_REG(31), RFLT, 'F'}, {"FPCR", FP_REG(32), RFLT, 'W'}, { 0 } }; /* the machine description */ Mach malpha = { "alpha", MALPHA, /* machine type */ alphareglist, /* register set */ REGSIZE, /* number of bytes in reg set */ FPREGSIZE, /* number of bytes in fp reg set */ "PC", "SP", "R29", "setSB", /* static base register name */ 0, /* static base register value */ 0x2000, /* page size */ 0x80000000ULL, /* kernel base */ 0xF0000000ULL, /* kernel text mask */ 0x7FFFFFFFULL, /* user stack top */ 4, /* quantization of pc */ 4, /* szaddr */ 8, /* szreg (not used?) */ 4, /* szfloat */ 8, /* szdouble */ };