146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/*
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* mips r4k definition
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*
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* currently no compiler - not related to 0c
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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 "mips2ureg.h"
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#include <mach.h>
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#define FPREGBYTES 4
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#define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x)
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#define SP REGOFF(sp)
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#define PC REGOFF(pc)
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#define R1 REGOFF(hr1)
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#define R31 REGOFF(hr31)
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#define FP_REG(x) (R1+8+FPREGBYTES*(x))
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#define REGSIZE sizeof(struct Ureg)
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#define FPREGSIZE (FPREGBYTES*33)
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Reglist mips2reglist[] = {
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{"STATUS", REGOFF(status), RINT|RRDONLY, 'X'},
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{"CAUSE", REGOFF(cause), RINT|RRDONLY, 'X'},
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{"BADVADDR", REGOFF(badvaddr), RINT|RRDONLY, 'X'},
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{"TLBVIRT", REGOFF(tlbvirt), RINT|RRDONLY, 'X'},
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{"HI", REGOFF(hhi), RINT|RRDONLY, 'W'},
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{"LO", REGOFF(hlo), RINT|RRDONLY, 'W'},
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{"PC", PC, RINT, 'X'},
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{"SP", SP, RINT, 'X'},
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{"R31", R31, RINT, 'W'},
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{"R30", REGOFF(hr30), RINT, 'W'},
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{"R28", REGOFF(hr28), RINT, 'W'},
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{"R27", REGOFF(hr27), RINT, 'W'},
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{"R26", REGOFF(hr26), RINT, 'W'},
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{"R25", REGOFF(hr25), RINT, 'W'},
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{"R24", REGOFF(hr24), RINT, 'W'},
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{"R23", REGOFF(hr23), RINT, 'W'},
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{"R22", REGOFF(hr22), RINT, 'W'},
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{"R21", REGOFF(hr21), RINT, 'W'},
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{"R20", REGOFF(hr20), RINT, 'W'},
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{"R19", REGOFF(hr19), RINT, 'W'},
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{"R18", REGOFF(hr18), RINT, 'W'},
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{"R17", REGOFF(hr17), RINT, 'W'},
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{"R16", REGOFF(hr16), RINT, 'W'},
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{"R15", REGOFF(hr15), RINT, 'W'},
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{"R14", REGOFF(hr14), RINT, 'W'},
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{"R13", REGOFF(hr13), RINT, 'W'},
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{"R12", REGOFF(hr12), RINT, 'W'},
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{"R11", REGOFF(hr11), RINT, 'W'},
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{"R10", REGOFF(hr10), RINT, 'W'},
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{"R9", REGOFF(hr9), RINT, 'W'},
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{"R8", REGOFF(hr8), RINT, 'W'},
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{"R7", REGOFF(hr7), RINT, 'W'},
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{"R6", REGOFF(hr6), RINT, 'W'},
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{"R5", REGOFF(hr5), RINT, 'W'},
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{"R4", REGOFF(hr4), RINT, 'W'},
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{"R3", REGOFF(hr3), RINT, 'W'},
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{"R2", REGOFF(hr2), RINT, 'W'},
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{"R1", REGOFF(hr1), RINT, 'W'},
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{"F0", FP_REG(0), RFLT, 'F'},
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{"F1", FP_REG(1), RFLT, 'f'},
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{"F2", FP_REG(2), RFLT, 'F'},
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{"F3", FP_REG(3), RFLT, 'f'},
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{"F4", FP_REG(4), RFLT, 'F'},
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{"F5", FP_REG(5), RFLT, 'f'},
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{"F6", FP_REG(6), RFLT, 'F'},
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{"F7", FP_REG(7), RFLT, 'f'},
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{"F8", FP_REG(8), RFLT, 'F'},
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{"F9", FP_REG(9), RFLT, 'f'},
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{"F10", FP_REG(10), RFLT, 'F'},
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{"F11", FP_REG(11), RFLT, 'f'},
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{"F12", FP_REG(12), RFLT, 'F'},
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{"F13", FP_REG(13), RFLT, 'f'},
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{"F14", FP_REG(14), RFLT, 'F'},
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{"F15", FP_REG(15), RFLT, 'f'},
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{"F16", FP_REG(16), RFLT, 'F'},
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{"F17", FP_REG(17), RFLT, 'f'},
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{"F18", FP_REG(18), RFLT, 'F'},
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{"F19", FP_REG(19), RFLT, 'f'},
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{"F20", FP_REG(20), RFLT, 'F'},
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{"F21", FP_REG(21), RFLT, 'f'},
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{"F22", FP_REG(22), RFLT, 'F'},
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{"F23", FP_REG(23), RFLT, 'f'},
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{"F24", FP_REG(24), RFLT, 'F'},
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{"F25", FP_REG(25), RFLT, 'f'},
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{"F26", FP_REG(26), RFLT, 'F'},
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{"F27", FP_REG(27), RFLT, 'f'},
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{"F28", FP_REG(28), RFLT, 'F'},
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{"F29", FP_REG(29), RFLT, 'f'},
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{"F30", FP_REG(30), RFLT, 'F'},
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{"F31", FP_REG(31), RFLT, 'f'},
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{"FPCR", FP_REG(32), RFLT, 'X'},
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{ 0 }
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};
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/* mips r4k big-endian */
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Mach mmips2be =
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{
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"mips2",
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MMIPS2, /* machine type */
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mips2reglist, /* register set */
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REGSIZE, /* number of bytes in reg set */
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FPREGSIZE, /* number of bytes in fp reg set */
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"PC", /* name of PC */
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"SP", /* name of SP */
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"R31", /* name of link register */
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"setR30", /* static base register name */
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0, /* SB value */
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0x1000, /* page size */
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0xC0000000, /* kernel base */
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0x40000000, /* kernel text mask */
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0x7FFFFFFFULL, /* user stack top */
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4, /* quantization of pc */
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4, /* szaddr */
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8, /* szreg */
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4, /* szfloat */
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8, /* szdouble */
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};
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/* mips r4k little-endian */
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Mach mmips2le =
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{
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"mips2",
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NMIPS2, /* machine type */
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mips2reglist, /* register set */
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REGSIZE, /* number of bytes in reg set */
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FPREGSIZE, /* number of bytes in fp reg set */
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"PC", /* name of PC */
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"SP", /* name of SP */
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"R31", /* name of link register */
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"setR30", /* static base register name */
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0, /* SB value */
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0x1000, /* page size */
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0xC0000000ULL, /* kernel base */
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0x40000000ULL, /* kernel text mask */
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0x7FFFFFFFULL, /* user stack top */
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4, /* quantization of pc */
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4, /* szaddr */
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8, /* szreg */
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4, /* szfloat */
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8, /* szdouble */
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};
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