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BSD 4_1c_2 release
[unix-history] / usr / src / ucb / dbx / ops.c
/* Copyright (c) 1982 Regents of the University of California */
static char sccsid[] = "@(#)ops.c 1.3 12/18/82";
/*
* Machine operators.
*/
#include "defs.h"
#include "ops.h"
#ifndef public
typedef unsigned char VaxOpcode;
#define O_HALT 0x00 /* halt */
#define O_NOP 0x01 /* no operation */
#define O_REI 0x02 /* return from exception or interrupt */
#define O_BPT 0x03 /* break point fault */
#define O_RET 0x04 /* return from called procedure */
#define O_RSB 0x05 /* return from subroutine */
#define O_LDPCTX 0x06 /* load process context */
#define O_SVPCTX 0x07 /* save process context */
#define O_CVTPS 0x08 /* convert packed to leading separate numeric */
#define O_CVTSP 0x09 /* convert leading separate numeric to packed */
#define O_INDEX 0x0A /* compute index */
#define O_CRC 0x0B /* calculate cyclic redundancy check */
#define O_PROBER 0x0C /* probe read access */
#define O_PROBEW 0x0D /* probe write access */
#define O_INSQUE 0x0E /* insert into queue */
#define O_REMQUE 0x0F /* remove from queue */
#define O_BSBB 0x10 /* branch to subroutine with byte disp */
#define O_BRB 0x11 /* branch with byte disp */
#define O_BNEQ 0x12 /* branch on not equal (also BNEQU) */
#define O_BEQL 0x13 /* branch on equal (also BEQLU */
#define O_BGTR 0x14 /* branch on greater */
#define O_BLEQ 0x15 /* branch on less or equal */
#define O_JSB 0x16 /* jump to subroutine */
#define O_JMP 0x17 /* jump */
#define O_BGEQ 0x18 /* branch on greater or equal */
#define O_BLSS 0x19 /* branch on less */
#define O_BGTRU 0x1A /* branch on greater unsigned */
#define O_BLEQU 0x1B /* branch on less of equal unsigned */
#define O_BVC 0x1C /* branch on overflow clear */
#define O_BVS 0x1D /* branch on overflow set */
#define O_BCC 0x1E /* branch on carry clear (also BGEQU) */
#define O_BCS 0x1F /* branch on carry set (also BLSSU) */
#define O_ADDP4 0x20 /* add packed 4 operand */
#define O_ADDP6 0x21 /* add packed 6 operand */
#define O_SUBP4 0x22 /* subtract packed 4 operand */
#define O_SUBP6 0x23 /* subtract packed 6 operand */
#define O_CVTPT 0x24 /* convert packed to trailing numeric */
#define O_MULP 0x25 /* multiply packed */
#define O_CVTTP 0x26 /* convert trailing numeric to packed */
#define O_DIVP 0x27 /* divide packed */
#define O_MOVC3 0x28 /* move character 3 operand */
#define O_CMPC3 0x29 /* compare character 3 operand */
#define O_SCANC 0x2A /* scan for character */
#define O_SPANC 0x2B /* span characters */
#define O_MOVC5 0x2C /* move character 5 operand */
#define O_CMPC5 0x2D /* compare character 5 operand */
#define O_MOVTC 0x2E /* move translated characters */
#define O_MOVTUC 0x2F /* move translated until character */
#define O_BSBW 0x30 /* branch to subroutine with word disp */
#define O_BRW 0x31 /* branch with word disp */
#define O_CVTWL 0x32 /* convert word to long */
#define O_CVTWB 0x33 /* convert word to byte */
#define O_MOVP 0x34 /* move packed */
#define O_CMPP3 0x35 /* compare packed 3 operand */
#define O_CVTPL 0x36 /* convert packed to long */
#define O_CMPP4 0x37 /* compare packed 4 operand */
#define O_EDITPC 0x38 /* edit packed to character */
#define O_MATCHC 0x39 /* match characters */
#define O_LOCC 0x3A /* locate characters */
#define O_SKPC 0x3B /* skip character */
#define O_MOVZWL 0x3C /* move zero-extended word to long */
#define O_ACBW 0x3D /* add compare and branch word */
#define O_MOVAW 0x3E /* move address of word */
#define O_PUSHAW 0x3F /* push address of word */
#define O_ADDF2 0x40 /* add floating 2 operand */
#define O_ADDF3 0x41 /* add floating 3 operand */
#define O_SUBF2 0x42 /* subtract floating 2 operand */
#define O_SUBF3 0x43 /* subtract floating 3 operand */
#define O_MULF2 0x44 /* multiply floating 2 operand */
#define O_MULF3 0x45 /* multiply floating 3 operand */
#define O_DIVF2 0x46 /* divide floating 2 operand */
#define O_DIVF3 0x47 /* divide floating 3 operand */
#define O_CVTFB 0x48 /* convert float to byte */
#define O_CVTFW 0x49 /* convert float to word */
#define O_CVTFL 0x4A /* convert float to long */
#define O_CVTRFL 0x4B /* convert rounded float to long */
#define O_CVTBF 0x4C /* convert byte to float */
#define O_CVTWF 0x4D /* convert word to float */
#define O_CVTLF 0x4E /* convert long to float */
#define O_ACBF 0x4F /* add compare and branch floating */
#define O_MOVF 0x50 /* move float */
#define O_CMPF 0x51 /* compare floating */
#define O_MNEGF 0x52 /* move negated floating */
#define O_TSTF 0x53 /* test float */
#define O_EMODF 0x54 /* extended modulus floating */
#define O_POLYF 0x55 /* evaluate polynomial floating */
#define O_CVTFD 0x56 /* convert float to double */
#define O_DUMMY57 0x57 /* RESERVED to DIGITAL */
#define O_ADAWI 0x58 /* add aligned word interlocked */
#define O_DUMMY59 0x59 /* RESERVED to DIGITAL */
#define O_DUMMY5a 0x5A /* RESERVED to DIGITAL */
#define O_DUMMY5b 0x5B /* RESERVED to DIGITAL */
#define O_INSQHI 0x5C /* insert into queue head, interlocked */
#define O_INSQTI 0x5D /* insert into queue tail, interlocked */
#define O_REMQHI 0x5E /* remove from queue head, interlocked */
#define O_REMQTI 0x5F /* remove from queue tail, interlocked */
#define O_ADDD2 0x60 /* add double 2 operand */
#define O_ADDD3 0x61 /* add double 3 operand */
#define O_SUBD2 0x62 /* subtract double 2 operand */
#define O_SUBD3 0x63 /* subtrace double 3 operand */
#define O_MULD2 0x64 /* multiply double 2 operand */
#define O_MULD3 0x65 /* multiply double 3 operand */
#define O_DIVD2 0x66 /* divide double 2 operand */
#define O_DIVD3 0x67 /* divide double 3 operand */
#define O_CVTDB 0x68 /* convert double to byte */
#define O_CVTDW 0x69 /* convert double to word */
#define O_CVTDL 0x6A /* convert double to long */
#define O_CVTRDL 0x6B /* convert rounded double to long */
#define O_CVTBD 0x6C /* convert byte to double */
#define O_CVTWD 0x6D /* convert word to double */
#define O_CVTLD 0x6E /* convert long to double */
#define O_ACBD 0x6F /* add compare and branch double */
#define O_MOVD 0x70 /* move double */
#define O_CMPD 0x71 /* compare double */
#define O_MNEGD 0x72 /* move negated double */
#define O_TSTD 0x73 /* test double */
#define O_EMODD 0x74 /* extended modulus double */
#define O_POLYD 0x75 /* evaluate polynomial double */
#define O_CVTDF 0x76 /* convert double to float */
#define O_DUMMY77 0x77 /* RESERVED to DIGITAL */
#define O_ASHL 0x78 /* arithmetic shift long */
#define O_ASHQ 0x79 /* arithmetic shift quad */
#define O_EMUL 0x7A /* extended multiply */
#define O_EDIV 0x7B /* extended divide */
#define O_CLRQ 0x7C /* clear quad (also CLRD) */
#define O_MOVQ 0x7D /* move quad */
#define O_MOVAQ 0x7E /* move address of quad (also MOVAD) */
#define O_PUSHAQ 0x7F /* push address of quad (also PUSHAD) */
#define O_ADDB2 0x80 /* add byte 2 operand */
#define O_ADDB3 0x81 /* add byte 3 operand */
#define O_SUBB2 0x82 /* subtract byte 2 operand */
#define O_SUBB3 0x83 /* subtract byte 3 operand */
#define O_MULB2 0x84 /* multiply byte 2 operand */
#define O_MULB3 0x85 /* multiply byte 3 operand */
#define O_DIVB2 0x86 /* divide byte 2 operand */
#define O_DIVB3 0x87 /* divide byte 3 operand */
#define O_BISB2 0x88 /* bit set byte 2 operand */
#define O_BISB3 0x89 /* bit set byte 3 operand */
#define O_BICB2 0x8A /* bit clear byte 2 operand */
#define O_BICB3 0x8B /* bit clear byte 3 operand */
#define O_XORB2 0x8C /* exclusive or byte 2 operand */
#define O_XORB3 0x8D /* exclusive or byte 3 operand */
#define O_MNEGB 0x8E /* move negated byte */
#define O_CASEB 0x8F /* case byte */
#define O_MOVB 0x90 /* move byte */
#define O_CMPB 0x91 /* compare byte */
#define O_MCOMB 0x92 /* move complemented byte */
#define O_BITB 0x93 /* bit test byte */
#define O_CLRB 0x94 /* clear byte */
#define O_TSTB 0x95 /* test byte */
#define O_INCB 0x96 /* increment byte */
#define O_DECB 0x97 /* decrement byte */
#define O_CVTBL 0x98 /* convert byte to long */
#define O_CVTBW 0x99 /* convert byte to word */
#define O_MOVZBL 0x9A /* move zero-extended byte to long */
#define O_MOVZBW 0x9B /* move zero-extended byte to word */
#define O_ROTL 0x9C /* rotate long */
#define O_ACBB 0x9D /* add compare and branch byte */
#define O_MOVAB 0x9E /* move address of byte */
#define O_PUSHAB 0x9F /* push address of byte */
#define O_ADDW2 0xA0 /* add word 2 operand */
#define O_ADDW3 0xA1 /* add word 3 operand */
#define O_SUBW2 0xA2 /* subtract word 2 operand */
#define O_SUBW3 0xA3 /* subtract word 3 operand */
#define O_MULW2 0xA4 /* multiply word 2 operand */
#define O_MULW3 0xA5 /* multiply word 3 operand */
#define O_DIVW2 0xA6 /* divide word 2 operand */
#define O_DIVW3 0xA7 /* divide word 3 operand */
#define O_BISW2 0xA8 /* bit set word 2 operand */
#define O_BISW3 0xA9 /* bit set word 3 operand */
#define O_BICW2 0xAA /* bit clear word 2 operand */
#define O_BICW3 0xAB /* bit clear word 3 operand */
#define O_XORW2 0xAC /* exclusive or word 2 operand */
#define O_XORW3 0xAD /* exclusive or word 3 operand */
#define O_MNEGW 0xAE /* move negated word */
#define O_CASEW 0xAF /* case word */
#define O_MOVW 0xB0 /* move word */
#define O_CMPW 0xB1 /* compare word */
#define O_MCOMW 0xB2 /* move complemented word */
#define O_BITW 0xB3 /* bit test word */
#define O_CLRW 0xB4 /* clear word */
#define O_TSTW 0xB5 /* test word */
#define O_INCW 0xB6 /* increment word */
#define O_DECW 0xB7 /* decrement word */
#define O_BISPSW 0xB8 /* bit set processor status word */
#define O_BICPSW 0xB9 /* bit clear processor status word */
#define O_POPR 0xBA /* pop register */
#define O_PUSHR 0xBB /* push register */
#define O_CHMK 0xBC /* change mode to kernel */
#define O_CHME 0xBD /* change mode to executive */
#define O_CHMS 0xBE /* change mode to supervisor */
#define O_CHMU 0xBF /* change mode to user */
#define O_ADDL2 0xC0 /* add long 2 operand */
#define O_ADDL3 0xC1 /* add long 3 operand */
#define O_SUBL2 0xC2 /* subtract long 2 operand */
#define O_SUBL3 0xC3 /* subtract long 3 operand */
#define O_MULL2 0xC4 /* multiply long 2 operand */
#define O_MULL3 0xC5 /* multiply long 3 operand */
#define O_DIVL2 0xC6 /* divide long 2 operand */
#define O_DIVL3 0xC7 /* divide long 3 operand */
#define O_BISL2 0xC8 /* bit set long 2 operand */
#define O_BISL3 0xC9 /* bit set long 3 operand */
#define O_BICL2 0xCA /* bit clear long 2 operand */
#define O_BICL3 0xCB /* bit clear long 3 operand */
#define O_XORL2 0xCC /* exclusive or long 2 operand */
#define O_XORL3 0xCD /* exclusive or long 3 operand */
#define O_MNEGL 0xCE /* move negated long */
#define O_CASEL 0xCF /* case long */
#define O_MOVL 0xD0 /* move long */
#define O_CMPL 0xD1 /* compare long */
#define O_MCOML 0xD2 /* move complemented long */
#define O_BITL 0xD3 /* bit test long */
#define O_CLRL 0xD4 /* clear long (also CLRF) */
#define O_TSTL 0xD5 /* test long */
#define O_INCL 0xD6 /* increment long */
#define O_DECL 0xD7 /* decrement long */
#define O_ADWC 0xD8 /* add with carry */
#define O_SBWC 0xD9 /* subtrace with carry */
#define O_MTPR 0xDA /* move to processor register */
#define O_MFPR 0xDB /* move from processor register */
#define O_MOVPSL 0xDC /* move processor status longword */
#define O_PUSHL 0xDD /* push long */
#define O_MOVAL 0xDE /* move address of long (also MOVAF) */
#define O_PUSHAL 0xDF /* push address of long (also PUSHAF) */
#define O_BBS 0xE0 /* branch on bit set */
#define O_BBC 0xE1 /* branch on bit clear */
#define O_BBSS 0xE2 /* branch on bit set and set */
#define O_BBCS 0xE3 /* branch on bit clear and set */
#define O_BBSC 0xE4 /* branch on bit set and clear */
#define O_BBCC 0xE5 /* branch on bit clear and clear */
#define O_BBSSI 0xE6 /* branch on bit set and set interlocked */
#define O_BBCCI 0xE7 /* branch on bit clear and clear interlocked */
#define O_BLBS 0xE8 /* branch on low bit set */
#define O_BLBC 0xE9 /* branch on low bit clear */
#define O_FFS 0xEA /* find first set bit */
#define O_FFC 0xEB /* find first clear bit */
#define O_CMPV 0xEC /* compare field */
#define O_CMPZV 0xED /* compare zero-extended field */
#define O_EXTV 0xEE /* extract field */
#define O_EXTZV 0xEF /* extract zero-extended field */
#define O_INSV 0xF0 /* insert field */
#define O_ACBL 0xF1 /* add compare and branch long */
#define O_AOBLSS 0xF2 /* add one and branch on less */
#define O_AOBLEQ 0xF3 /* add one and branch on less or equal */
#define O_SOBGEQ 0xF4 /* subtract one and branch on gtr or equal */
#define O_SOBGTR 0xF5 /* subtract one and branch on greater */
#define O_CVTLB 0xF6 /* convert long to byte */
#define O_CVTLW 0xF7 /* convert long to word */
#define O_ASHP 0xF8 /* arithmetic shift and round packed */
#define O_CVTLP 0xF9 /* convert long to packed */
#define O_CALLG 0xFA /* call with general argument list */
#define O_CALLS 0xFB /* call with stack */
#define O_XFC 0xFC /* extended function call */
#define O_ESCD 0xFD /* ESCD to DIGITAL */
#define O_ESCE 0xFE /* ESCE to DIGITAL */
#define O_ESCF 0xFF /* ESCF to DIGITAL */
/*
* Opcode definitions.
*
* Much of this was taken from the assembler.
*/
/*
* Argument access types.
*/
#define ACCA 0100 /* address only */
#define ACCR 010 /* read */
#define ACCW 020 /* write */
#define ACCM 030 /* modify */
#define ACCB 040 /* branch displacement */
#define ACCI 050 /* variable field */
/*
* Argument lengths.
*/
#define TYPB 0 /* byte */
#define TYPW 01 /* word */
#define TYPL 02 /* long */
#define TYPQ 03 /* quad */
#define TYPF 04 /* floating */
#define TYPD 05 /* double floating */
/*
* Addressing modes.
*/
#define LITSHORT 0x0 /* short literals */
#define LITUPTO31 0x1
#define LITUPTO47 0x2
#define LITUPTO63 0x3
#define INDEX 0x4 /* i[r] */
#define REG 0x5 /* r */
#define REGDEF 0x6 /* (r) */
#define AUTODEC 0x7 /* -(r) */
#define AUTOINC 0x8 /* (r)+ */
#define AUTOINCDEF 0x9 /* *(r)+ */
#define BYTEDISP 0xA /* BD(r) */
#define BYTEDISPDEF 0xB /* *BD(r) */
#define WORDDISP 0xC /* WD(r) */
#define WORDDISPDEF 0xD /* *WD(r) */
#define LONGDISP 0xE /* LD(r) */
#define LONGDISPDEF 0xF /* *LD(r) */
#define is_branch_disp(arg) ((arg & ACCB) != 0)
#define typelen(arg) (arg & 07)
#define regnm(mode) (mode & 0xF)
#define addrmode(mode) (mode >> 4)
/*
* Operator information structure.
*/
typedef struct {
char *iname;
char val;
char numargs;
char argtype[6];
} Optab;
#endif
public Optab optab[] = {
{"halt", 0x00, 0, 0, 0, 0, 0, 0, 0},
{"nop", 0x01, 0, 0, 0, 0, 0, 0, 0},
{"rei", 0x02, 0, 0, 0, 0, 0, 0, 0},
{"bpt", 0x03, 0, 0, 0, 0, 0, 0, 0},
{"ret", 0x04, 0, 0, 0, 0, 0, 0, 0},
{"rsb", 0x05, 0, 0, 0, 0, 0, 0, 0},
{"ldpctx", 0x06, 0, 0, 0, 0, 0, 0, 0},
{"svpctx", 0x07, 0, 0, 0, 0, 0, 0, 0},
{"cvtps", 0x08, 4, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"cvtsp", 0x09, 4, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"index", 0x0a, 6, ACCR+TYPL, ACCR+TYPL, ACCR+TYPL, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL},
{"crc", 0x0b, 4, ACCA+TYPB, ACCR+TYPL, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"prober", 0x0c, 3, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"probew", 0x0d, 3, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"insque", 0x0e, 2, ACCA+TYPB, ACCA+TYPB, 0, 0, 0, 0},
{"remque", 0x0f, 2, ACCA+TYPB, ACCW+TYPL, 0, 0, 0, 0},
{"bsbb", 0x10, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"brb", 0x11, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bneq", 0x12, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"beql", 0x13, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bgtr", 0x14, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bleq", 0x15, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"jsb", 0x16, 1, ACCA+TYPB, 0, 0, 0, 0, 0},
{"jmp", 0x17, 1, ACCA+TYPB, 0, 0, 0, 0, 0},
{"bgeq", 0x18, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"blss", 0x19, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bgtru", 0x1a, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"blequ", 0x1b, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bvc", 0x1c, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bvs", 0x1d, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bcc", 0x1e, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"bcs", 0x1f, 1, ACCB+TYPB, 0, 0, 0, 0, 0},
{"addp4", 0x20, 4, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"addp6", 0x21, 6, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB},
{"subp4", 0x22, 4, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"subp6", 0x23, 6, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB},
{"cvtpt", 0x24, 5, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0},
{"mulp", 0x25, 6, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB},
{"cvttp", 0x26, 5, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0},
{"divp", 0x27, 6, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB},
{"movc3", 0x28, 3, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, 0, 0, 0},
{"cmpc3", 0x29, 3, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, 0, 0, 0},
{"scanc", 0x2a, 4, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, ACCR+TYPB, 0, 0},
{"spanc", 0x2b, 4, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, ACCR+TYPB, 0, 0},
{"movc5", 0x2c, 5, ACCR+TYPW, ACCA+TYPB, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, 0},
{"cmpc5", 0x2d, 5, ACCR+TYPW, ACCA+TYPB, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, 0},
{"movtc", 0x2e, 6, ACCR+TYPW, ACCA+TYPB, ACCR+TYPB, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB},
{"movtuc", 0x2f, 6, ACCR+TYPW, ACCA+TYPB, ACCR+TYPB, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB},
{"bsbw", 0x30, 1, ACCB+TYPW, 0, 0, 0, 0, 0},
{"brw", 0x31, 1, ACCB+TYPW, 0, 0, 0, 0, 0},
{"cvtwl", 0x32, 2, ACCR+TYPW, ACCW+TYPL, 0, 0, 0, 0},
{"cvtwb", 0x33, 2, ACCR+TYPW, ACCW+TYPB, 0, 0, 0, 0},
{"movp", 0x34, 3, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, 0, 0, 0},
{"cmpp3", 0x35, 3, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, 0, 0, 0},
{"cvtpl", 0x36, 3, ACCR+TYPW, ACCA+TYPB, ACCW+TYPL, 0, 0, 0},
{"cmpp4", 0x37, 4, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"editpc", 0x38, 4, ACCR+TYPW, ACCA+TYPB, ACCA+TYPB, ACCA+TYPB, 0, 0},
{"matchc", 0x39, 4, ACCR+TYPW, ACCA+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0},
{"locc", 0x3a, 3, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"skpc", 0x3b, 3, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"movzwl", 0x3c, 2, ACCR+TYPW, ACCW+TYPL, 0, 0, 0, 0},
{"acbw", 0x3d, 4, ACCR+TYPW, ACCR+TYPW, ACCM+TYPW, ACCB+TYPW, 0, 0},
{"movaw", 0x3e, 2, ACCA+TYPW, ACCW+TYPL, 0, 0, 0, 0},
{"pushaw", 0x3f, 1, ACCA+TYPW, 0, 0, 0, 0, 0},
{"addf2", 0x40, 2, ACCR+TYPF, ACCM+TYPF, 0, 0, 0, 0},
{"addf3", 0x41, 3, ACCR+TYPF, ACCR+TYPF, ACCW+TYPF, 0, 0, 0},
{"subf2", 0x42, 2, ACCR+TYPF, ACCM+TYPF, 0, 0, 0, 0},
{"subf3", 0x43, 3, ACCR+TYPF, ACCR+TYPF, ACCW+TYPF, 0, 0, 0},
{"mulf2", 0x44, 2, ACCR+TYPF, ACCM+TYPF, 0, 0, 0, 0},
{"mulf3", 0x45, 3, ACCR+TYPF, ACCR+TYPF, ACCW+TYPF, 0, 0, 0},
{"divf2", 0x46, 2, ACCR+TYPF, ACCM+TYPF, 0, 0, 0, 0},
{"divf3", 0x47, 3, ACCR+TYPF, ACCR+TYPF, ACCW+TYPF, 0, 0, 0},
{"cvtfb", 0x48, 2, ACCR+TYPF, ACCW+TYPB, 0, 0, 0, 0},
{"cvtfw", 0x49, 2, ACCR+TYPF, ACCW+TYPW, 0, 0, 0, 0},
{"cvtfl", 0x4a, 2, ACCR+TYPF, ACCW+TYPL, 0, 0, 0, 0},
{"cvtrfl", 0x4b, 2, ACCR+TYPF, ACCW+TYPL, 0, 0, 0, 0},
{"cvtbf", 0x4c, 2, ACCR+TYPB, ACCW+TYPB, 0, 0, 0, 0},
{"cvtwf", 0x4d, 2, ACCR+TYPW, ACCW+TYPF, 0, 0, 0, 0},
{"cvtlf", 0x4e, 2, ACCR+TYPL, ACCW+TYPF, 0, 0, 0, 0},
{"acbf", 0x4f, 4, ACCR+TYPF, ACCR+TYPF, ACCM+TYPF, ACCB+TYPW, 0, 0},
{"movf", 0x50, 2, ACCR+TYPF, ACCW+TYPF, 0, 0, 0, 0},
{"cmpf", 0x51, 2, ACCR+TYPF, ACCR+TYPF, 0, 0, 0, 0},
{"mnegf", 0x52, 2, ACCR+TYPF, ACCW+TYPF, 0, 0, 0, 0},
{"tstf", 0x53, 1, ACCR+TYPF, 0, 0, 0, 0, 0},
{"emodf", 0x54, 5, ACCR+TYPF, ACCR+TYPB, ACCR+TYPF, ACCW+TYPL, ACCW+TYPF, 0},
{"polyf", 0x55, 3, ACCR+TYPF, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"cvtfd", 0x56, 2, ACCR+TYPF, ACCW+TYPD, 0, 0, 0, 0},
{"dummy", 0x57, 0, 0, 0, 0, 0, 0, 0},
{"adawi", 0x58, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"dummy", 0x59, 0, 0, 0, 0, 0, 0, 0},
{"dummy", 0x5a, 0, 0, 0, 0, 0, 0, 0},
{"dummy", 0x5b, 0, 0, 0, 0, 0, 0, 0},
{"dummy", 0x5c, 0, 0, 0, 0, 0, 0, 0},
{"dummy", 0x5d, 0, 0, 0, 0, 0, 0, 0},
{"dummy", 0x5e, 0, 0, 0, 0, 0, 0, 0},
{"dummy", 0x5f, 0, 0, 0, 0, 0, 0, 0},
{"addd2", 0x60, 2, ACCR+TYPD, ACCM+TYPD, 0, 0, 0, 0},
{"addd3", 0x61, 3, ACCR+TYPD, ACCR+TYPD, ACCW+TYPD, 0, 0, 0},
{"subd2", 0x62, 2, ACCR+TYPD, ACCM+TYPD, 0, 0, 0, 0},
{"subd3", 0x63, 3, ACCR+TYPD, ACCR+TYPD, ACCW+TYPD, 0, 0, 0},
{"muld2", 0x64, 2, ACCR+TYPD, ACCM+TYPD, 0, 0, 0, 0},
{"muld3", 0x65, 3, ACCR+TYPD, ACCR+TYPD, ACCW+TYPD, 0, 0, 0},
{"divd2", 0x66, 2, ACCR+TYPD, ACCM+TYPD, 0, 0, 0, 0},
{"divd3", 0x67, 3, ACCR+TYPD, ACCR+TYPD, ACCR+TYPD, 0, 0, 0},
{"cvtdb", 0x68, 2, ACCR+TYPD, ACCW+TYPB, 0, 0, 0, 0},
{"cvtdw", 0x69, 2, ACCR+TYPD, ACCW+TYPW, 0, 0, 0, 0},
{"cvtdl", 0x6a, 2, ACCR+TYPD, ACCW+TYPL, 0, 0, 0, 0},
{"cvtrdl", 0x6b, 2, ACCR+TYPD, ACCW+TYPL, 0, 0, 0, 0},
{"cvtbd", 0x6c, 2, ACCR+TYPB, ACCW+TYPD, 0, 0, 0, 0},
{"cvtwd", 0x6d, 2, ACCR+TYPW, ACCW+TYPD, 0, 0, 0, 0},
{"cvtld", 0x6e, 2, ACCR+TYPL, ACCW+TYPD, 0, 0, 0, 0},
{"acbd", 0x6f, 4, ACCR+TYPD, ACCR+TYPD, ACCM+TYPD, ACCB+TYPW, 0, 0},
{"movd", 0x70, 2, ACCR+TYPD, ACCW+TYPD, 0, 0, 0, 0},
{"cmpd", 0x71, 2, ACCR+TYPD, ACCR+TYPD, 0, 0, 0, 0},
{"mnegd", 0x72, 2, ACCR+TYPD, ACCW+TYPD, 0, 0, 0, 0},
{"tstd", 0x73, 1, ACCR+TYPD, 0, 0, 0, 0, 0},
{"emodd", 0x74, 5, ACCR+TYPD, ACCR+TYPB, ACCR+TYPD, ACCW+TYPL, ACCW+TYPD, 0},
{"polyd", 0x75, 3, ACCR+TYPD, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"cvtdf", 0x76, 2, ACCR+TYPD, ACCW+TYPF, 0, 0, 0, 0},
{"dummy0x77", 0x77, 0, 0, 0, 0, 0, 0, 0},
{"ashl", 0x78, 3, ACCR+TYPB, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"ashq", 0x79, 3, ACCR+TYPB, ACCR+TYPQ, ACCW+TYPQ, 0, 0, 0},
{"emul", 0x7a, 4, ACCR+TYPL, ACCR+TYPL, ACCR+TYPL, ACCW+TYPQ, 0, 0},
{"ediv", 0x7b, 4, ACCR+TYPL, ACCR+TYPQ, ACCW+TYPL, ACCW+TYPL, 0, 0},
{"clrq", 0x7c, 1, ACCW+TYPD, 0, 0, 0, 0, 0},
{"movq", 0x7d, 2, ACCR+TYPQ, ACCW+TYPQ, 0, 0, 0, 0},
{"movaq", 0x7e, 2, ACCA+TYPQ, ACCW+TYPL, 0, 0, 0, 0},
{"pushaq", 0x7f, 1, ACCA+TYPQ, 0, 0, 0, 0, 0},
{"addb2", 0x80, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"addb3", 0x81, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"subb2", 0x82, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"subb3", 0x83, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"mulb2", 0x84, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"mulb3", 0x85, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"divb2", 0x86, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"divb3", 0x87, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"bisb2", 0x88, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"bisb3", 0x89, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"bicb2", 0x8a, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"bicb3", 0x8b, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"xorb2", 0x8c, 2, ACCR+TYPB, ACCM+TYPB, 0, 0, 0, 0},
{"xorb3", 0x8d, 3, ACCR+TYPB, ACCR+TYPB, ACCW+TYPB, 0, 0, 0},
{"mnegb", 0x8e, 2, ACCR+TYPB, ACCW+TYPB, 0, 0, 0, 0},
{"caseb", 0x8f, 3, ACCR+TYPB, ACCR+TYPB, ACCR+TYPB, 0, 0, 0},
{"movb", 0x90, 2, ACCR+TYPB, ACCW+TYPB, 0, 0, 0, 0},
{"cmpb", 0x91, 2, ACCR+TYPB, ACCR+TYPB, 0, 0, 0, 0},
{"mcomb", 0x92, 2, ACCR+TYPB, ACCW+TYPB, 0, 0, 0, 0},
{"bitb", 0x93, 2, ACCR+TYPB, ACCR+TYPB, 0, 0, 0, 0},
{"clrb", 0x94, 1, ACCW+TYPB, 0, 0, 0, 0, 0},
{"tstb", 0x95, 1, ACCR+TYPB, 0, 0, 0, 0, 0},
{"incb", 0x96, 1, ACCM+TYPB, 0, 0, 0, 0, 0},
{"decb", 0x97, 1, ACCM+TYPB, 0, 0, 0, 0, 0},
{"cvtbl", 0x98, 2, ACCR+TYPB, ACCW+TYPL, 0, 0, 0, 0},
{"cvtbw", 0x99, 2, ACCR+TYPB, ACCW+TYPW, 0, 0, 0, 0},
{"movzbl", 0x9a, 2, ACCR+TYPB, ACCW+TYPL, 0, 0, 0, 0},
{"movzbw", 0x9b, 2, ACCR+TYPB, ACCW+TYPW, 0, 0, 0, 0},
{"rotl", 0x9c, 3, ACCR+TYPB, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"acbb", 0x9d, 4, ACCR+TYPB, ACCR+TYPB, ACCM+TYPB, ACCB+TYPW, 0, 0},
{"movab", 0x9e, 2, ACCA+TYPB, ACCW+TYPL, 0, 0, 0, 0},
{"pushab", 0x9f, 1, ACCA+TYPB, 0, 0, 0, 0, 0},
{"addw2", 0xa0, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"addw3", 0xa1, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"subw2", 0xa2, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"subw3", 0xa3, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"mulw2", 0xa4, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"mulw3", 0xa5, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"divw2", 0xa6, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"divw3", 0xa7, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"bisw2", 0xa8, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"bisw3", 0xa9, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"bicw2", 0xaa, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"bicw3", 0xab, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"xorw2", 0xac, 2, ACCR+TYPW, ACCM+TYPW, 0, 0, 0, 0},
{"xorw3", 0xad, 3, ACCR+TYPW, ACCR+TYPW, ACCW+TYPW, 0, 0, 0},
{"mnegw", 0xae, 2, ACCR+TYPW, ACCW+TYPL, 0, 0, 0, 0},
{"casew", 0xaf, 3, ACCR+TYPW, ACCR+TYPW, ACCR+TYPW, 0, 0, 0},
{"movw", 0xb0, 2, ACCR+TYPW, ACCW+TYPW, 0, 0, 0, 0},
{"cmpw", 0xb1, 2, ACCR+TYPW, ACCR+TYPW, 0, 0, 0, 0},
{"mcomw", 0xb2, 2, ACCR+TYPW, ACCW+TYPW, 0, 0, 0, 0},
{"bitw", 0xb3, 2, ACCR+TYPW, ACCR+TYPW, 0, 0, 0, 0},
{"clrw", 0xb4, 1, ACCW+TYPW, 0, 0, 0, 0, 0},
{"tstw", 0xb5, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"incw", 0xb6, 1, ACCM+TYPW, 0, 0, 0, 0, 0},
{"decw", 0xb7, 1, ACCM+TYPW, 0, 0, 0, 0, 0},
{"bispsw", 0xb8, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"bicpsw", 0xb9, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"popr", 0xba, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"pushr", 0xbb, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"chmk", 0xbc, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"chme", 0xbd, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"chms", 0xbe, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"chmu", 0xbf, 1, ACCR+TYPW, 0, 0, 0, 0, 0},
{"addl2", 0xc0, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"addl3", 0xc1, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"subl2", 0xc2, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"subl3", 0xc3, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"mull2", 0xc4, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"mull3", 0xc5, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"divl2", 0xc6, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"divl3", 0xc7, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"bisl2", 0xc8, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"bisl3", 0xc9, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"bicl2", 0xca, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"bicl3", 0xcb, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"xorl2", 0xcc, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"xorl3", 0xcd, 3, ACCR+TYPL, ACCR+TYPL, ACCW+TYPL, 0, 0, 0},
{"mnegl", 0xce, 2, ACCR+TYPL, ACCW+TYPL, 0, 0, 0, 0},
{"casel", 0xcf, 3, ACCR+TYPL, ACCR+TYPL, ACCR+TYPL, 0, 0, 0},
{"movl", 0xd0, 2, ACCR+TYPL, ACCW+TYPL, 0, 0, 0, 0},
{"cmpl", 0xd1, 2, ACCR+TYPL, ACCR+TYPL, 0, 0, 0, 0},
{"mcoml", 0xd2, 2, ACCR+TYPL, ACCW+TYPL, 0, 0, 0, 0},
{"bitl", 0xd3, 2, ACCR+TYPL, ACCR+TYPL, 0, 0, 0, 0},
{"clrl", 0xd4, 1, ACCW+TYPL, 0, 0, 0, 0, 0},
{"tstl", 0xd5, 1, ACCR+TYPL, 0, 0, 0, 0, 0},
{"incl", 0xd6, 1, ACCM+TYPL, 0, 0, 0, 0, 0},
{"decl", 0xd7, 1, ACCM+TYPL, 0, 0, 0, 0, 0},
{"adwc", 0xd8, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"sbwc", 0xd9, 2, ACCR+TYPL, ACCM+TYPL, 0, 0, 0, 0},
{"mtpr", 0xda, 2, ACCR+TYPL, ACCR+TYPL, 0, 0, 0, 0},
{"mfpr", 0xdb, 2, ACCR+TYPL, ACCW+TYPL, 0, 0, 0, 0},
{"movpsl", 0xdc, 1, ACCW+TYPL, 0, 0, 0, 0, 0},
{"pushl", 0xdd, 1, ACCR+TYPL, 0, 0, 0, 0, 0},
{"moval", 0xde, 2, ACCA+TYPL, ACCW+TYPL, 0, 0, 0, 0},
{"pushal", 0xdf, 1, ACCA+TYPL, 0, 0, 0, 0, 0},
{"bbs", 0xe0, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbc", 0xe1, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbss", 0xe2, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbcs", 0xe3, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbsc", 0xe4, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbcc", 0xe5, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbssi", 0xe6, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"bbcci", 0xe7, 3, ACCR+TYPL, ACCR+TYPB, ACCB+TYPB, 0, 0, 0},
{"blbs", 0xe8, 2, ACCR+TYPL, ACCB+TYPB, 0, 0, 0, 0},
{"blbc", 0xe9, 2, ACCR+TYPL, ACCB+TYPB, 0, 0, 0, 0},
{"ffs", 0xea, 4, ACCR+TYPL, ACCR+TYPB, ACCR+TYPB, ACCW+TYPL, 0, 0},
{"ffc", 0xeb, 4, ACCR+TYPL, ACCR+TYPB, ACCR+TYPB, ACCW+TYPL, 0, 0},
{"cmpv", 0xec, 4, ACCR+TYPL, ACCR+TYPB, ACCR+TYPB, ACCR+TYPL, 0, 0},
{"cmpzv", 0xed, 4, ACCR+TYPL, ACCR+TYPB, ACCR+TYPB, ACCR+TYPL, 0, 0},
{"extv", 0xee, 4, ACCR+TYPL, ACCR+TYPB, ACCR+TYPB, ACCW+TYPL, 0, 0},
{"extzv", 0xef, 4, ACCR+TYPL, ACCR+TYPB, ACCR+TYPB, ACCW+TYPL, 0, 0},
{"insv", 0xf0, 4, ACCR+TYPL, ACCR+TYPL, ACCR+TYPB, ACCW+TYPB, 0, 0},
{"acbl", 0xf1, 4, ACCR+TYPL, ACCR+TYPL, ACCM+TYPL, ACCB+TYPW, 0, 0},
{"aoblss", 0xf2, 3, ACCR+TYPL, ACCM+TYPL, ACCB+TYPB, 0, 0, 0},
{"aobleq", 0xf3, 3, ACCR+TYPL, ACCM+TYPL, ACCB+TYPB, 0, 0, 0},
{"sobgeq", 0xf4, 2, ACCM+TYPL, ACCB+TYPB, 0, 0, 0, 0},
{"sobgtr", 0xf5, 2, ACCM+TYPL, ACCB+TYPB, 0, 0, 0, 0},
{"cvtlb", 0xf6, 2, ACCR+TYPL, ACCW+TYPB, 0, 0, 0, 0},
{"cvtlw", 0xf7, 2, ACCR+TYPL, ACCW+TYPW, 0, 0, 0, 0},
{"ashp", 0xf8, 6, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB, ACCR+TYPB, ACCR+TYPW, ACCA+TYPB},
{"cvtlp", 0xf9, 3, ACCR+TYPL, ACCR+TYPW, ACCA+TYPB, 0, 0, 0},
{"callg", 0xfa, 2, ACCA+TYPB, ACCA+TYPB, 0, 0, 0, 0},
{"calls", 0xfb, 2, ACCR+TYPL, ACCA+TYPB, 0, 0, 0, 0},
{"xfc", 0xfc, 1, ACCI+TYPB, 0, 0, 0, 0, 0},
{"escd", 0xfd, 0, 0, 0, 0, 0, 0, 0},
{"esce", 0xfe, 0, 0, 0, 0, 0, 0, 0},
{"escf", 0xff, 0, 0, 0, 0, 0, 0, 0},
};
/*
* Register names.
*/
public String regname[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10","r11","ap", "fp", "sp", "pc"
};
/*
* Floating point immediate operands.
*/
public String fltimm[] = {
"0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875", "0.9375",
"1.0", "1.125", "1.25", "1.375", "1.5", "1.625", "1.75", "1.875",
"2.0", "2.25", "2.5", "2.75", "3.0", "3.25", "3.5", "3.75",
"4.0", "4.5", "5.0", "5.5", "6.0", "6.5", "7.0", "7.5",
"8.0", "9.0", "10.0", "11.0", "12.0", "13.0", "14.0", "15.0",
"16.0", "18.0", "20.0", "22.0", "24.0", "26.0", "28.0", "30.0",
"32.0", "36.0", "40.0", "44.0", "48.0", "52.0", "56.0", "60.0",
"64.0", "72.0", "80.0", "88.0", "96.0", "104.0", "112.0", "120.0"
};
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.