optab.c

这是一个同样来自贝尔实验室的和UNIX有着渊源的操作系统, 其简洁的设计和实现易于我们学习和理解

	{ AFLOGNP1W, AXXX, 2, 0, 17, C, 0x0006, 0x5006 },
	{ AFLOGNW, AXXX, 2, 0, 17, C, 0x0014, 0x5014 },
	{ AFMODB, AXXX, 2, 0, 17, C, 0x0021, 0x5821 },
	{ AFMODD, AFMODL, 8, 0, 17, C, 0x0021, 0x5421 },
	{ AFMODF, AFMODL, 4, 0, 17, C, 0x0021, 0x4421 },
	{ AFMODL, AXXX, 4, 0, 17, C, 0x0021, 0x4021 },
	{ AFMODW, AXXX, 2, 0, 17, C, 0x0021, 0x5021 },
	{ AFMOVEB, AXXX, 2, -2, 16, C, 0x0000, 0x7800, 0x5800 },
	{ AFMOVED, AFMOVEL, 8, -8, 16, C, 0x0000, 0x7400, 0x5400 },
	{ AFMOVEF, AFMOVEL, 4, -4, 16, C, 0x0000, 0x6400, 0x4400 },
	{ AFMOVEL, AXXX, 4, -4, 16, C, 0x0000, 0x6000, 0x4000 },
	{ AFMOVEM, AXXX, 2, 2, 28, C },
	{ AFMOVEMC, AXXX, 2, 2, 29, C },
	{ AFMOVEW, AXXX, 2, -2, 16, C, 0x0000, 0x7000, 0x5000 },
	{ AFMULB, AXXX, 2, 0, 17, C, 0x0023, 0x5823 },
	{ AFMULD, AFMULL, 8, 0, 17, C, 0x0023, 0x5423 },
	{ AFMULF, AFMULL, 4, 0, 17, C, 0x0023, 0x4423 },
	{ AFMULL, AXXX, 4, 0, 17, C, 0x0023, 0x4023 },
	{ AFMULW, AXXX, 2, 0, 17, C, 0x0023, 0x5023 },
	{ AFNEGB, AXXX, 2, 0, 21, C, 0x001a, 0x581a },
	{ AFNEGD, AFNEGL, 8, 0, 21, C, 0x001a, 0x541a },
	{ AFNEGF, AFNEGL, 4, 0, 21, C, 0x001a, 0x441a },
	{ AFNEGL, AXXX, 4, 0, 21, C, 0x001a, 0x401a },
	{ AFNEGW, AXXX, 2, 0, 21, C, 0x001a, 0x501a },
	{ AFREMB, AXXX, 2, 0, 17, C, 0x0025, 0x5825 },
	{ AFREMD, AFREML, 8, 0, 17, C, 0x0025, 0x5425 },
	{ AFREMF, AFREML, 4, 0, 17, C, 0x0025, 0x4425 },
	{ AFREML, AXXX, 4, 0, 17, C, 0x0025, 0x4025 },
	{ AFREMW, AXXX, 2, 0, 17, C, 0x0025, 0x5025 },
	{ AFRESTORE, AXXX, 0, 2, 5, C+0x0140 },
	{ AFSAVE, AXXX, 0, 2, 5, C+0x0100 },
	{ AFSCALEB, AXXX, 2, 0, 17, C, 0x0026, 0x5826 },
	{ AFSCALED, AFSCALEL, 8, 0, 17, C, 0x0026, 0x5426 },
	{ AFSCALEF, AFSCALEL, 4, 0, 17, C, 0x0026, 0x4426 },
	{ AFSCALEL, AXXX, 4, 0, 17, C, 0x0026, 0x4026 },
	{ AFSCALEW, AXXX, 2, 0, 17, C, 0x0026, 0x5026 },
	{ AFSEQ, AXXX, X1, X2, X3, 0xffff },
	{ AFSF, AXXX, 4, X2, X3, 0xffff },
	{ AFSGE, AXXX, X1, X2, X3, 0xffff },
	{ AFSGT, AXXX, X1, X2, X3, 0xffff },
	{ AFSINB, AXXX, 2, 0, 17, C, 0x000e, 0x580e },
	{ AFSIND, AFSINL, 8, 0, 17, C, 0x000e, 0x540e },
	{ AFSINF, AFSINL, 4, 0, 17, C, 0x000e, 0x440e },
	{ AFSINHB, AXXX, 2, 0, 17, C, 0x0002, 0x5802 },
	{ AFSINHD, AFSINHL, 8, 0, 17, C, 0x0002, 0x5402 },
	{ AFSINHF, AFSINHL, 4, 0, 17, C, 0x0002, 0x4402 },
	{ AFSINHL, AXXX, 4, 0, 17, C, 0x0002, 0x4002 },
	{ AFSINHW, AXXX, 2, 0, 17, C, 0x0002, 0x5002 },
	{ AFSINL, AXXX, 4, 0, 17, C, 0x000e, 0x400e },
	{ AFSINW, AXXX, 2, 0, 17, C, 0x000e, 0x500e },
	{ AFSLE, AXXX, X1, X2, X3, 0xffff },
	{ AFSLT, AXXX, X1, X2, X3, 0xffff },
	{ AFSNE, AXXX, X1, X2, X3, 0xffff },
	{ AFSQRTB, AXXX, 2, 0, 17, C, 0x0004, 0x5804 },
	{ AFSQRTD, AFSQRTL, 8, 0, 17, C, 0x0004, 0x5404 },
	{ AFSQRTF, AFSQRTL, 4, 0, 17, C, 0x0004, 0x4404 },
	{ AFSQRTL, AXXX, 4, 0, 17, C, 0x0004, 0x4004 },
	{ AFSQRTW, AXXX, 2, 0, 17, C, 0x0004, 0x5004 },
	{ AFST, AXXX, X1, X2, X3, 0xffff },
	{ AFSUBB, AXXX, 2, 0, 17, C, 0x0028, 0x5828 },
	{ AFSUBD, AFSUBL, 8, 0, 17, C, 0x0028, 0x5428 },
	{ AFSUBF, AFSUBL, 4, 0, 17, C, 0x0028, 0x4428 },
	{ AFSUBL, AXXX, 4, 0, 17, C, 0x0028, 0x4028 },
	{ AFSUBW, AXXX, 2, 0, 17, C, 0x0028, 0x5028 },
	{ AFTANB, AXXX, 2, 0, 17, C, 0x000f, 0x580f },
	{ AFTAND, AFTANL, 8, 0, 17, C, 0x000f, 0x540f },
	{ AFTANF, AFTANL, 4, 0, 17, C, 0x000f, 0x440f },
	{ AFTANHB, AXXX, 2, 0, 17, C, 0x0009, 0x5809 },
	{ AFTANHD, AFTANHL, 8, 0, 17, C, 0x0009, 0x5409 },
	{ AFTANHF, AFTANHL, 4, 0, 17, C, 0x0009, 0x4409 },
	{ AFTANHL, AXXX, 4, 0, 17, C, 0x0009, 0x4009 },
	{ AFTANHW, AXXX, 2, 0, 17, C, 0x0009, 0x5009 },
	{ AFTANL, AXXX, 4, 0, 17, C, 0x000f, 0x400f },
	{ AFTANW, AXXX, 2, 0, 17, C, 0x000f, 0x500f },
	{ AFTENTOXB, AXXX, 2, 0, 17, C, 0x0012, 0x5812 },
	{ AFTENTOXD, AFTENTOXL, 8, 0, 17, C, 0x0012, 0x5412 },
	{ AFTENTOXF, AFTENTOXL, 4, 0, 17, C, 0x0012, 0x4412 },
	{ AFTENTOXL, AXXX, 4, 0, 17, C, 0x0012, 0x4012 },
	{ AFTENTOXW, AXXX, 2, 0, 17, C, 0x0012, 0x5012 },
	{ AFTSTB, AXXX, 0, 2, 20, C, 0x003a, 0x583a },
	{ AFTSTD, AFTSTL, 0, 8, 20, C, 0x003a, 0x543a },
	{ AFTSTF, AFTSTL, 0, 4, 20, C, 0x003a, 0x443a },
	{ AFTSTL, AXXX, 0, 4, 20, C, 0x003a, 0x403a },
	{ AFTSTW, AXXX, 0, 2, 20, C, 0x003a, 0x503a },
	{ AFTWOTOXB, AXXX, 2, 0, 17, C, 0x0011, 0x5811 },
	{ AFTWOTOXD, AFTWOTOXL, 8, 0, 17, C, 0x0011, 0x5411 },
	{ AFTWOTOXF, AFTWOTOXL, 4, 0, 17, C, 0x0011, 0x4411 },
	{ AFTWOTOXL, AXXX, 4, 0, 17, C, 0x0011, 0x4011 },
	{ AFTWOTOXW, AXXX, 2, 0, 17, C, 0x0011, 0x5011 },
	{ AGLOBL },
	{ AGOK },
	{ AHISTORY },
	{ AILLEG, AXXX, 0, 0, 4, 0x4efc },
	{ AINSTR },
	{ AJMP, AXXX, 0, 0, 5, 0x4ec0 },
	{ AJSR, AXXX, 0, 0, 5, 0x4e80 },
	{ ALEA, AXXX, 0, 0, 6, 0x41c0 },
	{ ALINKL },
	{ ALINKW },
	{ ALOCATE },
	{ ALONG, AXXX, 0, 4, 23 },
	{ ALSLB, AXXX, 0, 2, 12, 0xe108 },
	{ ALSLL, AXXX, 0, 4, 12, 0xe188 },
	{ ALSLW, AXXX, 0, 2, 12, 0xe148 },
	{ ALSRB, AXXX, 0, 2, 12, 0xe008 },
	{ ALSRL, AXXX, 0, 4, 12, 0xe088 },
	{ ALSRW, AXXX, 0, 2, 12, 0xe048 },
	{ AMOVB, AXXX, 2, -2, 2, 0x1000, 0x7000 },
	{ AMOVEM, AXXX, 2, 2, 25, 0x48c0 },
	{ AMOVEPL },
	{ AMOVEPW },
	{ AMOVESB, AXXX, 2, -2, 34, 0xe00 },
	{ AMOVESL, AXXX, 4, -4, 34, 0xe80 },
	{ AMOVESW, AXXX, 2, -2, 34, 0xe40 },
	{ AMOVL, AXXX, 4, -4, 2, 0x2000, 0x7000 },
	{ AMOVW, AXXX, 2, -2, 2, 0x3000, 0x7000 },
	{ AMULSL, AXXX, 4, 0, 14, 0x4c00, 0x0800 },
	{ AMULSW, AXXX, 2, 0, 13, 0xc1c0 },
	{ AMULUL, AXXX, 4, 0, 14, 0x4c00, 0x0000 },
	{ AMULUW, AXXX, 2, 0, 13, 0xc0c0 },
	{ ANAME },
	{ ANBCD },
	{ ANEGB, AXXX, 0, 0, 5, 0x4400 },
	{ ANEGL, AXXX, 0, 0, 5, 0x4480 },
	{ ANEGW, AXXX, 0, 0, 5, 0x4440 },
	{ ANEGXB },
	{ ANEGXL },
	{ ANEGXW },
	{ ANOP },
	{ ANOTB, AXXX, 0, 0, 5, 0x4600 },
	{ ANOTL, AXXX, 0, 0, 5, 0x4680 },
	{ ANOTW, AXXX, 0, 0, 5, 0x4640 },
	{ AORB, AXXX, 2, 0, 9, 0x8000, 0x8100, 0x0000 },
	{ AORL, AXXX, 4, 0, 9, 0x8080, 0x8180, 0x0080 },
	{ AORW, AXXX, 2, 0, 9, 0x8040, 0x8140, 0x0040 },
	{ APACK },
	{ APEA, AXXX, 0, 0, 5, 0x4840 },
	{ ARESET },
	{ AROTLB, AXXX, 0, 2, 12, 0xe118 },
	{ AROTLL, AXXX, 0, 4, 12, 0xe198 },
	{ AROTLW, AXXX, 0, 2, 12, 0xe158 },
	{ AROTRB, AXXX, 0, 2, 12, 0xe018 },
	{ AROTRL, AXXX, 0, 4, 12, 0xe098 },
	{ AROTRW, AXXX, 0, 2, 12, 0xe058 },
	{ AROXLB },
	{ AROXLL },
	{ AROXLW },
	{ AROXRB },
	{ AROXRL },
	{ AROXRW },
	{ ARTD },
	{ ARTE, AXXX, 0, 0, 4, 0x4e73 },
	{ ARTM },
	{ ARTR },
	{ ARTS, AXXX, 0, 0, 4, 0x4e75 },
	{ ASBCD },
	{ ASCC },
	{ ASCS },
	{ ASEQ },
	{ ASF },
	{ ASGE },
	{ ASGT },
	{ ASHI },
	{ ASLE },
	{ ASLS },
	{ ASLT },
	{ ASMI },
	{ ASNE },
	{ ASPL },
	{ AST },
	{ ASTOP },
	{ ASUBB, AXXX, 2, 0, 3, 0x9000, 0x5100,      0, 0x0400 },
	{ ASUBL, AXXX, 4, 0, 3, 0x9080, 0x5180, 0x91c0, 0x0480 },
	{ ASUBW, AXXX, 2, 0, 3, 0x9040, 0x5140, 0x90c0, 0x0440 },
	{ ASUBXB },
	{ ASUBXL },
	{ ASUBXW },
	{ ASVC },
	{ ASVS },
	{ ASWAP, AXXX, 0, 0, 35, 0x4840 },
	{ ASYS, AXXX, 0, 2, 8, 0x4e40 },
	{ ATAS, AXXX, 0, 2, 5, 0x4ac0 },
	{ ATEXT },
	{ ATRAP, AXXX, 0, 0, 30, 0x4e40 },
	{ ATRAPCC, AXXX, 0, 0, 4, 0x54fc },
	{ ATRAPCS, AXXX, 0, 0, 4, 0x55fc },
	{ ATRAPEQ, AXXX, 0, 0, 4, 0x57fc },
	{ ATRAPF, AXXX, 0, 0, 4, 0x51fc },
	{ ATRAPGE, AXXX, 0, 0, 4, 0x5cfc },
	{ ATRAPGT, AXXX, 0, 0, 4, 0x5efc },
	{ ATRAPHI, AXXX, 0, 0, 4, 0x52fc },
	{ ATRAPLE, AXXX, 0, 0, 4, 0x5ffc },
	{ ATRAPLS, AXXX, 0, 0, 4, 0x53fc },
	{ ATRAPLT, AXXX, 0, 0, 4, 0x5dfc },
	{ ATRAPMI, AXXX, 0, 0, 4, 0x5bfc },
	{ ATRAPNE, AXXX, 0, 0, 4, 0x56fc },
	{ ATRAPPL, AXXX, 0, 0, 4, 0x5afc },
	{ ATRAPT, AXXX, 0, 0, 4, 0x50fc },
	{ ATRAPV, AXXX, 0, 0, 4, 0x4e76 },
	{ ATRAPVC, AXXX, 0, 0, 4, 0x58fc },
	{ ATRAPVS, AXXX, 0, 0, 4, 0x59fc },
	{ ATSTB, AXXX, 0, 2, 5, 0x4a00 },
	{ ATSTL, AXXX, 0, 4, 5, 0x4a80 },
	{ ATSTW, AXXX, 0, 2, 5, 0x4a40 },
	{ AUNLK },
	{ AUNPK },
	{ AWORD, AXXX, 0, 2, 23 },
	{ AXXX }
};

char	mmsize[] =
{
	/*  0 */	0, 2, 2, 2, 2,
	/*  5 */	2, 2, 2, 4, 2,
	/* 10 */	2, 2, 2, 2, 4,
	/* 15 */	4, 4, 4, 4, 6,
	/* 20 */	4, 4, 4, 0, 4,
	/* 25 */	2, 2, 2, 2, 2,
	/* 30 */	2, 4, 4, 0, 4,
	/* 35 */	2, 0, 0, 0, 0,
};