+++ /dev/null
-/* Opcode table for the TXVU
- Copyright 1998 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "ansidecl.h"
-#include "sysdep.h"
-#include "dis-asm.h"
-#include "opcode/txvu.h"
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#if defined (__STDC__) || defined (ALMOST_STDC)
-#define XCONCAT2(a,b) a##b
-#else
-#define XCONCAT2(a,b) a/**/b
-#endif
-#define CONCAT2(a,b) XCONCAT2(a,b)
-
-typedef struct {
- int value;
- const char *name;
-} keyword;
-
-static int lookup_keyword_value PARAMS ((const keyword *, const char *, int));
-static const char *lookup_keyword_name PARAMS ((const keyword *table, int));
-
-static char *scan_symbol PARAMS ((char *));
-
-/* Return non-zero if CH is a character that may appear in a symbol. */
-/* FIXME: This will need revisiting. */
-#define issymchar(ch) (isalnum (ch) || ch == '_')
-
-#define SKIP_BLANKS(var) while (isspace (*(var))) ++(var)
-
-/* ??? One can argue it's preferable to have the PARSE_FN support in tc-txvu.c
- and the PRINT_FN support in txvu-dis.c. For this project I like having
- them all in one place. */
-
-#define PARSE_FN(fn) \
-static long CONCAT2 (parse_,fn) \
- PARAMS ((const txvu_opcode *, const txvu_operand *, int, char **, \
- const char **));
-#define INSERT_FN(fn) \
-static void CONCAT2 (insert_,fn) \
- PARAMS ((const txvu_opcode *, const txvu_operand *, int, TXVU_INSN *, \
- long, const char **))
-#define EXTRACT_FN(fn) \
-static long CONCAT2 (extract_,fn) \
- PARAMS ((const txvu_opcode *, const txvu_operand *, int, TXVU_INSN *, \
- int *));
-#define PRINT_FN(fn) \
-static void CONCAT2 (print_,fn) \
- PARAMS ((const txvu_opcode *, const txvu_operand *, int, TXVU_INSN *, \
- disassemble_info *, long));
-
-PARSE_FN (dotdest);
-INSERT_FN (dotdest);
-EXTRACT_FN (dotdest);
-PRINT_FN (dotdest);
-
-PARSE_FN (dotdest1);
-PARSE_FN (dest1);
-PRINT_FN (dest1);
-
-PARSE_FN (bc);
-EXTRACT_FN (bc);
-PRINT_FN (sdest);
-
-PARSE_FN (vfreg);
-PRINT_FN (vfreg);
-
-PARSE_FN (bcftreg);
-PRINT_FN (bcftreg);
-
-PARSE_FN (accdest);
-PRINT_FN (accdest);
-
-INSERT_FN (xyz);
-
-PARSE_FN (ireg);
-PRINT_FN (ireg);
-
-PARSE_FN (freg);
-PRINT_FN (freg);
-
-PARSE_FN (ffstreg);
-INSERT_FN (ffstreg);
-EXTRACT_FN (ffstreg);
-PRINT_FN (ffstreg);
-
-PARSE_FN (vi01);
-PRINT_FN (vi01);
-
-INSERT_FN (luimm12);
-EXTRACT_FN (luimm12);
-
-INSERT_FN (luimm12up6);
-
-INSERT_FN (luimm15);
-EXTRACT_FN (luimm15);
-
-/* Various types of TXVU operands, including insn suffixes.
-
- Fields are:
-
- BITS SHIFT FLAGS PARSE_FN INSERT_FN EXTRACT_FN PRINT_FN
-
- Operand values are 128 + table index. This allows ASCII chars to be
- included in the syntax spec. */
-
-const txvu_operand txvu_operands[] =
-{
- /* place holder (??? not sure if needed) */
-#define UNUSED 128
- { 0 },
-
- /* Operands that exist in the same place for essentially the same purpose
- in both upper and lower instructions. These don't have a U or L prefix.
- Operands specific to the upper or lower instruction are so prefixed. */
-
- /* Destination indicator attached to mnemonic, with leading '.' or '/'.
- After parsing this, the value is stored in global `dest' so that the
- register parser can verify the same choice of xyzw is used. */
-#define DOTDEST (UNUSED + 1)
- { 4, TXVU_SHIFT_DEST, TXVU_OPERAND_SUFFIX,
- parse_dotdest, insert_dotdest, extract_dotdest, print_dotdest },
-
- /* ft reg, with vector specification same as DOTDEST */
-#define VFTREG (DOTDEST + 1)
- { 5, TXVU_SHIFT_TREG, 0, parse_vfreg, 0, 0, print_vfreg },
-
- /* fs reg, with vector specification same as DOTDEST */
-#define VFSREG (VFTREG + 1)
- { 5, TXVU_SHIFT_SREG, 0, parse_vfreg, 0, 0, print_vfreg },
-
- /* fd reg, with vector specification same as DOTDEST */
-#define VFDREG (VFSREG + 1)
- { 5, TXVU_SHIFT_DREG, 0, parse_vfreg, 0, 0, print_vfreg },
-
- /* Upper word operands. */
-
- /* broadcast */
-#define UBC (VFDREG + 1)
- { 2, 0, TXVU_OPERAND_SUFFIX, parse_bc, 0, extract_bc, print_sdest },
-
- /* ftreg in broadcast case */
-#define UBCFTREG (UBC + 1)
- { 5, TXVU_SHIFT_TREG, 0, parse_bcftreg, 0, 0, print_bcftreg },
-
- /* accumulator dest */
-#define UACCDEST (UBCFTREG + 1)
- { 0, 0, 0, parse_accdest, 0, 0, print_accdest },
-
- /* The XYZ operand is a fake one that is used to ensure only "xyz" is
- specified. It simplifies the opmula and opmsub entries. */
-#define UXYZ (UACCDEST + 1)
- { 0, 0, TXVU_OPERAND_FAKE, 0, insert_xyz, 0, 0 },
-
- /* Lower word operands. */
-
- /* 5 bit signed immediate. */
-#define LIMM5 (UXYZ + 1)
- { 5, 6, TXVU_OPERAND_SIGNED, 0, 0, 0, 0 },
-
- /* 11 bit signed immediate. */
-#define LIMM11 (LIMM5 + 1)
- { 11, 0, TXVU_OPERAND_SIGNED, 0, 0, 0, 0 },
-
- /* 15 bit unsigned immediate. */
-#define LUIMM15 (LIMM11 + 1)
- { 15, 0, 0, 0, insert_luimm15, extract_luimm15, 0 },
-
- /* ID register. */
-#define LIDREG (LUIMM15 + 1)
- { 5, 6, 0, parse_ireg, 0, 0, print_ireg },
-
- /* IS register. */
-#define LISREG (LIDREG + 1)
- { 5, 11, 0, parse_ireg, 0, 0, print_ireg },
-
- /* IT register. */
-#define LITREG (LISREG + 1)
- { 5, 16, 0, parse_ireg, 0, 0, print_ireg },
-
- /* FS reg, with FSF field selector. */
-#define LFSFFSREG (LITREG + 1)
- { 5, 11, 0, parse_ffstreg, insert_ffstreg, extract_ffstreg, print_ffstreg },
-
- /* FS reg, no selector (choice of x,y,z,w is provided by opcode). */
-#define LFSREG (LFSFFSREG + 1)
- { 5, 11, 0, parse_freg, 0, 0, print_freg },
-
- /* FT reg, with FTF field selector. */
-#define LFTFFTREG (LFSREG + 1)
- { 5, 16, 0, parse_ffstreg, insert_ffstreg, extract_ffstreg, print_ffstreg },
-
- /* VI01 register. */
-#define LVI01 (LFTFFTREG + 1)
- { 0, 0, 0, parse_vi01, 0, 0, print_vi01 },
-
- /* 24 bit unsigned immediate. */
-#define LUIMM24 (LVI01 + 1)
- { 24, 0, 0, 0, 0, 0, 0 },
-
- /* 12 bit unsigned immediate, split into 1 and 11 bit pieces. */
-#define LUIMM12 (LUIMM24 + 1)
- { 12, 0, 0, 0, insert_luimm12, extract_luimm12, 0 },
-
- /* upper 6 bits of 12 bit unsigned immediate */
-#define LUIMM12UP6 (LUIMM12 + 1)
- { 12, 0, 0, 0, insert_luimm12up6, extract_luimm12, 0 },
-
- /* 11 bit pc-relative signed immediate. */
-#define LPCREL11 (LUIMM12UP6 + 1)
- { 11, 0, TXVU_OPERAND_SIGNED + TXVU_OPERAND_RELATIVE_BRANCH, 0, 0, 0, 0 },
-
- /* Destination indicator, single letter only, with leading '.' or '/'. */
-#define LDOTDEST1 (LPCREL11 + 1)
- { 4, TXVU_SHIFT_DEST, TXVU_OPERAND_SUFFIX,
- /* Note that we borrow the insert/extract/print functions from the
- vector case. */
- parse_dotdest1, insert_dotdest, extract_dotdest, print_dotdest },
-
- /* Destination indicator, single letter only, no leading '.'. */
-#define LDEST1 (LDOTDEST1 + 1)
- { 0, 0, 0, parse_dest1, 0, 0, print_dest1 },
-
-/* end of list place holder */
- { 0 }
-};
-\f
-/* Macros to put a field's value into the right place. */
-/* ??? If assembler needs these, move to opcode/txvu.h. */
-
-/* value X, B bits, shift S */
-#define V(x,b,s) (((x) & ((1 << (b)) - 1)) << (s))
-
-/* Field value macros for both upper and lower instructions.
- These shift a value into the right place in the instruction. */
-
-/* [FI] T reg field (remember it's V for value, not vector, here). */
-#define VT(x) V ((x), 5, TXVU_SHIFT_TREG)
-/* [FI] S reg field. */
-#define VS(x) V ((x), 5, TXVU_SHIFT_SREG)
-/* [FI] D reg field. */
-#define VD(x) V ((x), 5, TXVU_SHIFT_DREG)
-/* DEST field. */
-#define VDEST(x) V ((x), 4, 21)
-
-/* Masks for fields in both upper and lower instructions.
- These mask out all bits but the ones for the field in the instruction. */
-
-#define MT VT (~0)
-#define MS VS (~0)
-#define MD VD (~0)
-#define MDEST VDEST (~0)
-
-/* Upper instruction Value macros. */
-
-/* Upper Flag bits. */
-#define VUF(x) V ((x), 5, 27)
-/* Upper REServed two bits next to flag bits. */
-#define VURES(x) V ((x), 2, 25)
-/* 4 bit opcode field. */
-#define VUOP4(x) V ((x), 4, 2)
-/* 6 bit opcode field. */
-#define VUOP6(x) V ((x), 6, 0)
-/* 9 bit opcode field. */
-#define VUOP9(x) V ((x), 9, 2)
-/* 11 bit opcode field. */
-#define VUOP11(x) V ((x), 11, 0)
-/* BroadCast field. */
-#define VUBC(x) V ((x), 2, 0)
-
-/* Upper instruction field masks. */
-#define MUUBITS (VUF (~0) + VURES (~0))
-#define MURES VURES (~0)
-#define MUOP4 VUOP4 (~0)
-#define MUOP6 VUOP6 (~0)
-#define MUOP9 VUOP9 (~0)
-#define MUOP11 VUOP11 (~0)
-
-/* A space, separates instruction name (mnemonic + mnemonic operands) from
- operands. */
-#define SP ' '
-/* Commas separate operands. */
-#define C ','
-/* Special I,P,Q,R operands. */
-#define I 'i'
-#define P 'p'
-#define Q 'q'
-#define R 'r'
-
-/* TXVU instructions.
- [??? some of these comments are left over from the ARC port from which
- this code is borrowed, delete in time]
-
- Longer versions of insns must appear before shorter ones (if gas sees
- "lsr r2,r3,1" when it's parsing "lsr %a,%b" it will think the ",1" is
- junk). This isn't necessary for `ld' because of the trailing ']'.
-
- Instructions that are really macros based on other insns must appear
- before the real insn so they're chosen when disassembling. Eg: The `mov'
- insn is really the `and' insn.
-
- This table is best viewed on a wide screen (161 columns). I'd prefer to
- keep it this way. The rest of the file, however, should be viewable on an
- 80 column terminal. */
-
-/* ??? This table also includes macros: asl, lsl, and mov. The ppc port has
- a more general facility for dealing with macros which could be used if
- we need to. */
-
-/* These tables can't be `const' because members `next_asm' and `next_dis' are
- computed at run-time. We could split this into two, as that would put the
- constant stuff into a readonly section. */
-
-struct txvu_opcode txvu_upper_opcodes[] =
-{
- /* Macros appear first, so the disassembler will try them first. */
- /* ??? Any aliases? */
- /* ??? When close to being finished, clean up by aligning fields. */
-
- /* The rest of these needn't be sorted, but it helps to find them if they are. */
- { "abs", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x1fd) },
- { "add", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x28) },
- { "addi", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x22) },
- { "addq", { DOTDEST, SP, VFDREG, C, VFSREG, C, Q }, MURES + MT + MUOP6, VUOP6 (0x20) },
- { "add", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + VUOP4 (~0), VUOP4 (0) },
- { "adda", { DOTDEST, SP, UACCDEST, C, VFSREG, C, VFTREG }, MURES + MUOP11, VUOP11 (0x2bc) },
- { "addai", { DOTDEST, SP, UACCDEST, C, VFSREG, C, I }, MURES + MT + MUOP11, VUOP11 (0x23e) },
- { "addaq", { DOTDEST, SP, UACCDEST, C, VFSREG, C, Q }, MURES + MT + MUOP11, VUOP11 (0x23c) },
- { "adda", { UBC, DOTDEST, SP, UACCDEST, C, VFSREG, C, UBCFTREG }, MURES + MUOP9, VUOP9 (0xf) },
- { "clip", { DOTDEST, SP, VFSREG }, MURES + MDEST + MT + MUOP11, VDEST (0xf) + VUOP11 (0x1ff) },
- { "ftoi0", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x17c) },
- { "ftoi4", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x17d) },
- { "ftoi12", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x17e) },
- { "ftoi15", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x17f) },
- { "itof0", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x13c) },
- { "itof4", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x13d) },
- { "itof12", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x13e) },
- { "itof15", { DOTDEST, SP, VFTREG, C, VFSREG }, MURES + MUOP11, VUOP11 (0x13f) },
- { "madd", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x29) },
- { "maddi", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x23) },
- { "maddq", { DOTDEST, SP, VFDREG, C, VFSREG, C, Q }, MURES + MT + MUOP6, VUOP6 (0x21) },
- { "madd", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + MUOP4, VUOP4 (0x2) },
- { "madda", { DOTDEST, SP, UACCDEST, C, VFSREG, C, VFTREG }, MURES + MUOP11, VUOP11 (0x2bd) },
- { "maddai", { DOTDEST, SP, UACCDEST, C, VFSREG, C, I }, MURES + MT + MUOP11, VUOP11 (0x23f) },
- { "maddaq", { DOTDEST, SP, UACCDEST, C, VFSREG, C, Q }, MURES + MT + MUOP11, VUOP11 (0x23d) },
- { "madda", { UBC, DOTDEST, SP, UACCDEST, C, VFSREG, C, UBCFTREG }, MURES + MUOP9, VUOP9 (0x2f) },
- { "max", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x2b) },
- { "maxi", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x2d) },
- { "max", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + MUOP4, VUOP4 (0x4) },
- /* ??? mini or min? */
- { "mini", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x2f) },
- { "minii", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x1f) },
- { "mini", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + MUOP4, VUOP4 (0x5) },
- { "msub", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x2d) },
- { "msubi", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x27) },
- { "msubq", { DOTDEST, SP, VFDREG, C, VFSREG, C, Q }, MURES + MT + MUOP6, VUOP6 (0x25) },
- { "msub", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + MUOP4, VUOP4 (0x3) },
- { "msuba", { DOTDEST, SP, UACCDEST, C, VFSREG, C, VFTREG }, MURES + MUOP11, VUOP11 (0x2fd) },
- { "msubai", { DOTDEST, SP, UACCDEST, C, VFSREG, C, I }, MURES + MT + MUOP11, VUOP11 (0x27f) },
- { "msubaq", { DOTDEST, SP, UACCDEST, C, VFSREG, C, Q }, MURES + MT + MUOP11, VUOP11 (0x27d) },
- { "msuba", { UBC, DOTDEST, SP, UACCDEST, C, VFSREG, C, UBCFTREG }, MURES + MUOP9, VUOP9 (0x3f) },
- { "mul", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x2a) },
- { "muli", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x1e) },
- { "mulq", { DOTDEST, SP, VFDREG, C, VFSREG, C, Q }, MURES + MT + MUOP6, VUOP6 (0x1c) },
- { "mul", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + VUOP4 (~0), VUOP4 (6) },
- { "mula", { DOTDEST, SP, UACCDEST, C, VFSREG, C, VFTREG }, MURES + MUOP11, VUOP11 (0x2be) },
- { "mulai", { DOTDEST, SP, UACCDEST, C, VFSREG, C, I }, MURES + MT + MUOP11, VUOP11 (0x1fe) },
- { "mulaq", { DOTDEST, SP, UACCDEST, C, VFSREG, C, Q }, MURES + MT + MUOP11, VUOP11 (0x1fc) },
- { "mula", { UBC, DOTDEST, SP, UACCDEST, C, VFSREG, C, UBCFTREG }, MURES + MUOP9, VUOP9 (0x6f) },
- { "nop", { 0 }, MURES + MDEST + MT + MS + MUOP11, VUOP11 (0x2ff) },
- { "opmula", { DOTDEST, SP, UACCDEST, C, VFSREG, C, VFTREG, UXYZ }, MURES + MUOP11, VUOP11 (0x2fe) },
- { "opmsub", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG, UXYZ }, MURES + MUOP6, VUOP6 (0x2e) },
- { "sub", { DOTDEST, SP, VFDREG, C, VFSREG, C, VFTREG }, MURES + MUOP6, VUOP6 (0x2c) },
- { "subi", { DOTDEST, SP, VFDREG, C, VFSREG, C, I }, MURES + MT + MUOP6, VUOP6 (0x26) },
- { "subq", { DOTDEST, SP, VFDREG, C, VFSREG, C, Q }, MURES + MT + MUOP6, VUOP6 (0x24) },
- { "sub", { UBC, DOTDEST, SP, VFDREG, C, VFSREG, C, UBCFTREG }, MURES + VUOP4 (~0), VUOP4 (1) },
- { "suba", { DOTDEST, SP, UACCDEST, C, VFSREG, C, VFTREG }, MURES + MUOP11, VUOP11 (0x2fc) },
- { "subai", { DOTDEST, SP, UACCDEST, C, VFSREG, C, I }, MURES + MT + MUOP11, VUOP11 (0x27e) },
- { "subaq", { DOTDEST, SP, UACCDEST, C, VFSREG, C, Q }, MURES + MT + MUOP11, VUOP11 (0x27c) },
- { "suba", { UBC, DOTDEST, SP, UACCDEST, C, VFSREG, C, UBCFTREG }, MURES + MUOP9, VUOP9 (0x1f) }
-};
-const int txvu_upper_opcodes_count = sizeof (txvu_upper_opcodes) / sizeof (txvu_upper_opcodes[0]);
-\f
-/* Lower instruction Value macros. */
-
-/* 6 bit opcode. */
-#define VLOP6(x) V ((x), 6, 0)
-/* 7 bit opcode. */
-#define VLOP7(x) V ((x), 7, 25)
-/* 11 bit opcode. */
-#define VLOP11(x) V ((x), 11, 0)
-/* 11 bit immediate. */
-#define VLIMM11(x) V ((x), 11, 0)
-/* FTF field. */
-#define VLFTF(x) V ((x), 2, 23)
-/* FSF field. */
-#define VLFSF(x) V ((x), 2, 21)
-/* Upper bit of 12 bit unsigned immediate. */
-#define VLUIMM12TOP(x) V ((x), 1, 21)
-/* Upper 4 bits of 15 bit unsigned immediate. */
-#define VLUIMM15TOP(x) VDEST (x)
-
-/* Lower instruction field masks. */
-#define MLOP6 VLOP6 (~0)
-#define MLOP7 VLOP7 (~0)
-#define MLOP11 VLOP11 (~0)
-#define MLIMM11 VLIMM11 (~0)
-#define MLB24 V (1, 1, 24)
-#define MLUIMM12TOP VLUIMM12TOP (~0)
-/* 12 bit unsigned immediates are split into two parts, 1 bit and 11 bits.
- The upper 1 bit is part of the `dest' field. This mask is for the
- other 3 bits of the dest field. */
-#define MLUIMM12UNUSED V (7, 3, 22)
-#define MLUIMM15TOP MDEST
-
-struct txvu_opcode txvu_lower_opcodes[] =
-{
- /* Macros appear first, so the disassembler will try them first. */
- /* ??? Any aliases? */
- /* ??? There isn't an explicit nop. Apparently it's "move vf0,vf0". */
- { "nop", { 0 }, 0xffffffff, VLOP7 (0x40) + VLIMM11 (0x33c) },
-
- /* The rest of these needn't be sorted, but it helps to find them if they are. */
- { "b", { SP, LPCREL11 }, MLOP7 + MDEST + MT + MS, VLOP7 (0x20) },
- { "bal", { SP, LITREG, C, LPCREL11 }, MLOP7 + MDEST + MS, VLOP7 (0x21) },
- { "div", { SP, Q, C, LFSFFSREG, C, LFTFFTREG }, MLOP7 + MLOP11, VLOP7 (0x40) + VLOP11 (0x3bc) },
- { "eatan", { SP, P, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLOP11, VLOP7 (0x40) + VLOP11 (0x7fd) },
- { "eatanxy", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x77c) },
- { "eatanxz", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x77d) },
- { "eexp", { SP, P, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLOP11, VLOP7 (0x40) + VLOP11 (0x7fe) },
- { "eleng", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x74e) },
- { "ercpr", { SP, P, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLOP11, VLOP7 (0x40) + VLOP11 (0x7be) },
- { "erleng", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x73f) },
- { "ersadd", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x73d) },
- { "ersqrt", { SP, P, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLOP11, VLOP7 (0x40) + VLOP11 (0x7bd) },
- { "esadd", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x73c) },
- { "esin", { SP, P, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLOP11, VLOP7 (0x40) + VLOP11 (0x7fc) },
- { "esqrt", { SP, P, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLOP11, VLOP7 (0x40) + VLOP11 (0x7bc) },
- { "esum", { SP, P, C, LFSREG }, MLOP7 + MDEST + MT + MLOP11, VLOP7 (0x40) + VDEST (0xf) + VLOP11 (0x77e) },
- { "fcand", { SP, LVI01, C, LUIMM24 }, MLOP7 + MLB24, VLOP7 (0x12) },
- { "fceq", { SP, LVI01, C, LUIMM24 }, MLOP7 + MLB24, VLOP7 (0x10) },
- { "fcget", { SP, LITREG }, MLOP7 + MDEST + MS + MLIMM11, VLOP7 (0x1c) },
- { "fcor", { SP, LVI01, C, LUIMM24 }, MLOP7 + MLB24, VLOP7 (0x13) },
- { "fcset", { SP, LUIMM24 }, MLOP7 + MLB24, VLOP7 (0x11) },
- { "fmand", { SP, LITREG, C, LISREG }, MLOP7 + MDEST + MLIMM11, VLOP7 (0x1a) },
- { "fmeq", { SP, LITREG, C, LISREG }, MLOP7 + MDEST + MLIMM11, VLOP7 (0x18) },
- { "fmor", { SP, LITREG, C, LISREG }, MLOP7 + MDEST + MLIMM11, VLOP7 (0x1b) },
- { "fsand", { SP, LITREG, C, LUIMM12 }, MLOP7 + MLUIMM12UNUSED + MS, VLOP7 (0x16) },
- { "fseq", { SP, LITREG, C, LUIMM12 }, MLOP7 + MLUIMM12UNUSED + MS, VLOP7 (0x14) },
- { "fsor", { SP, LITREG, C, LUIMM12 }, MLOP7 + MLUIMM12UNUSED + MS, VLOP7 (0x17) },
- { "fsset", { SP, LUIMM12UP6 }, MLOP7 + MLUIMM12UNUSED + V (~0, 6, 0) + MS + MT, VLOP7 (0x15) },
- { "iadd", { SP, LIDREG, C, LISREG, C, LITREG }, MLOP7 + MDEST + MLOP6, VLOP7 (0x40) + VLOP6 (0x30) },
- { "iaddi", { SP, LITREG, C, LISREG, C, LIMM5 }, MLOP7 + MDEST + MLOP6, VLOP7 (0x40) + VLOP6 (0x32) },
- { "iaddiu", { SP, LITREG, C, LISREG, C, LUIMM15 }, MLOP7, VLOP7 (0x08) },
- { "iand", { SP, LIDREG, C, LISREG, C, LITREG }, MLOP7 + MDEST + MLOP6, VLOP7 (0x40) + VLOP6 (0x34) },
- { "ibeq", { SP, LITREG, C, LISREG, C, LPCREL11 }, MLOP7 + MDEST, VLOP7 (0x28) },
- { "ibgez", { SP, LISREG, C, LPCREL11 }, MLOP7 + MDEST + MT, VLOP7 (0x2f) },
- { "ibgtz", { SP, LISREG, C, LPCREL11 }, MLOP7 + MDEST + MT, VLOP7 (0x2d) },
- { "iblez", { SP, LISREG, C, LPCREL11 }, MLOP7 + MDEST + MT, VLOP7 (0x2e) },
- { "ibltz", { SP, LISREG, C, LPCREL11 }, MLOP7 + MDEST + MT, VLOP7 (0x2c) },
- { "ibne", { SP, LITREG, C, LISREG, C, LPCREL11 }, MLOP7 + MDEST, VLOP7 (0x29) },
- { "ilw", { LDOTDEST1, SP, LITREG, C, LIMM11, '(', LISREG, ')', LDEST1 }, MLOP7, VLOP7 (0x04) },
- { "ilwr", { LDOTDEST1, SP, LITREG, C, '(', LISREG, ')', LDEST1 }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x3fe) },
- { "ior", { SP, LIDREG, C, LISREG, C, LITREG }, MLOP7 + MDEST + MLOP6, VLOP7 (0x40) + VLOP6 (0x35) },
- { "isub", { SP, LIDREG, C, LISREG, C, LITREG }, MLOP7 + MDEST + MLOP6, VLOP7 (0x40) + VLOP6 (0x31) },
- { "isubiu", { SP, LITREG, C, LISREG, C, LUIMM15 }, MLOP7, VLOP7 (0x09) },
- { "isw", { LDOTDEST1, SP, LITREG, C, LIMM11, '(', LISREG, ')', LDEST1 }, MLOP7, VLOP7 (0x05) },
- { "iswr", { LDOTDEST1, SP, LITREG, C, '(', LISREG, ')', LDEST1 }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x3ff) },
- { "jalr", { SP, LITREG, C, LISREG }, MLOP7 + MDEST + MLIMM11, VLOP7 (0x25) },
- { "jr", { SP, LISREG }, MLOP7 + MDEST + MT + MLIMM11, VLOP7 (0x24) },
- { "lq", { DOTDEST, SP, VFTREG, C, LIMM11, '(', LISREG, ')' }, MLOP7, VLOP7 (0x00) },
- { "lqd", { DOTDEST, SP, VFTREG, C, '(', '-', '-', LISREG, ')' }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x37e) },
- { "lqi", { DOTDEST, SP, VFTREG, C, '(', LISREG, '+', '+', ')' }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x37c) },
- /* Only a single VF reg is allowed here. We can use VFTREG because LDOTDEST1
- handles verifying only a single choice of xyzw is present. */
- { "mfir", { LDOTDEST1, SP, VFTREG, C, LISREG }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x3fc) },
- { "mfp", { DOTDEST, SP, VFTREG, C, P }, MLOP7 + MS + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x67c) },
- { "move", { DOTDEST, SP, VFTREG, C, VFSREG }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x33c) },
- { "mr32", { DOTDEST, SP, VFTREG, C, VFSREG }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x33d) },
- { "mtir", { LDOTDEST1, SP, LITREG, C, VFSREG }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x3fd) },
- { "rget", { DOTDEST, SP, VFTREG, C, R }, MLOP7 + MS + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x43d) },
- { "rinit", { SP, R, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x43e) },
- { "rnext", { DOTDEST, SP, VFTREG, C, R }, MLOP7 + MS + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x43c) },
- { "rsqrt", { SP, Q, C, LFSFFSREG, C, LFTFFTREG }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x3be) },
- { "rxor", { SP, R, C, LFSFFSREG }, MLOP7 + VLFTF (~0) + MT + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x43f) },
- { "sq", { DOTDEST, SP, VFTREG, C, LIMM11, '(', LISREG, ')' }, MLOP7, VLOP7 (0x01) },
- { "sqd", { DOTDEST, SP, VFTREG, C, '(', '-', '-', LISREG, ')' }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x37f) },
- { "sqi", { DOTDEST, SP, VFTREG, C, '(', LISREG, '+', '+', ')' }, MLOP7 + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x37d) },
- { "sqrt", { SP, Q, C, LFTFFTREG }, MLOP7 + VLFSF (~0) + MS + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x3bd) },
- { "waitp", { 0 }, 0xffffffff, VLOP7 (0x40) + VLIMM11 (0x7bf) },
- { "waitq", { 0 }, 0xffffffff, VLOP7 (0x40) + VLIMM11 (0x3bf) },
- { "xgkick", { SP, LISREG }, MLOP7 + MDEST + MT + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x6fc) },
- { "xitop", { SP, LITREG }, MLOP7 + MDEST + MS + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x6bd) },
- { "xtop", { SP, LITREG }, MLOP7 + MDEST + MS + MLIMM11, VLOP7 (0x40) + VLIMM11 (0x6bc) }
-};
-const int txvu_lower_opcodes_count = sizeof (txvu_lower_opcodes) / sizeof (txvu_lower_opcodes[0]);
-\f
-/* Value of DEST in use.
- Each of the registers must specify the same value as the opcode.
- ??? Perhaps remove the duplication? */
-static int state_vu_mnemonic_dest;
-
-/* Value of BC to use.
- The register specified for the ftreg must match the broadcast register
- specified in the opcode. */
-static int state_vu_mnemonic_bc;
-\f
-/* Multiple destination choice support.
- The "dest" string selects any combination of x,y,z,w.
- [The letters are ordered that way to follow the manual's style.] */
-
-/* Utility to parse a `dest' spec.
- Return the found value.
- *PSTR is set to the character that terminated the parsing.
- It is up to the caller to do any error checking. */
-
-static long
-u_parse_dest (pstr)
- char **pstr;
-{
- long dest = 0;
-
- while (**pstr)
- {
- switch (**pstr)
- {
- case 'x' : case 'X' : dest |= TXVU_DEST_X; break;
- case 'y' : case 'Y' : dest |= TXVU_DEST_Y; break;
- case 'z' : case 'Z' : dest |= TXVU_DEST_Z; break;
- case 'w' : case 'W' : dest |= TXVU_DEST_W; break;
- default : return dest;
- }
- ++*pstr;
- }
-
- return dest;
-}
-
-static long
-parse_dotdest (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- long dest;
-
- if (**pstr != '.' && **pstr != '/')
- {
- *errmsg = "missing `.'";
- return 0;
- }
-
- ++*pstr;
- dest = u_parse_dest (pstr);
- if (dest == 0 || isalnum (**pstr))
- {
- *errmsg = "invalid `dest'";
- return 0;
- }
-
- return dest;
-}
-
-/* Parse a `dest' spec where only a single letter is allowed,
- but the encoding handles all four. */
-
-static long
-parse_dotdest1 (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char c;
- long dest;
-
- if (**pstr != '.' && **pstr != '/')
- {
- *errmsg = "missing `.'";
- return 0;
- }
-
- ++*pstr;
- switch (**pstr)
- {
- case 'x' : case 'X' : dest = TXVU_DEST_X; break;
- case 'y' : case 'Y' : dest = TXVU_DEST_Y; break;
- case 'z' : case 'Z' : dest = TXVU_DEST_Z; break;
- case 'w' : case 'W' : dest = TXVU_DEST_W; break;
- default : *errmsg = "invalid `dest'"; return 0;
- }
- ++*pstr;
- c = tolower (**pstr);
- if (c == 'x' || c == 'y' || c == 'z' || c == 'w')
- {
- *errmsg = "only one of x,y,z,w can be specified";
- return 0;
- }
- if (isalnum (**pstr))
- {
- *errmsg = "invalid `dest'";
- return 0;
- }
-
- return dest;
-}
-
-/* Parse a `dest' spec with no leading '.', where only a single letter is
- allowed, but the encoding handles all four. The parsed value must match
- that recorded in `dest'. */
-
-static long
-parse_dest1 (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char c;
- long dest;
-
- dest = u_parse_dest (pstr);
- if (dest != TXVU_DEST_X
- && dest != TXVU_DEST_Y
- && dest != TXVU_DEST_Z
- && dest != TXVU_DEST_W)
- {
- *errmsg = "expecting one of x,y,z,w";
- return 0;
- }
-
- if (dest != state_vu_mnemonic_dest)
- {
- *errmsg = "`dest' suffix does not match instruction `dest'";
- return 0;
- }
-
- return dest;
-}
-
-static void
-insert_dotdest (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
- /* Record the DEST value in use so the register parser can use it. */
- state_vu_mnemonic_dest = value;
- *insn |= value << operand->shift;
-}
-
-static long
-extract_dotdest (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- /* Record the DEST value in use so the register printer can use it. */
- state_vu_mnemonic_dest = (*insn >> operand->shift) & ((1 << operand->bits) - 1);
- return state_vu_mnemonic_dest;
-}
-
-/* Utility to print a multiple dest spec. */
-
-static void
-u_print_dest (info, insn, value)
- disassemble_info *info;
- TXVU_INSN *insn;
- long value;
-{
- if (value & TXVU_DEST_X)
- (*info->fprintf_func) (info->stream, "x");
- if (value & TXVU_DEST_Y)
- (*info->fprintf_func) (info->stream, "y");
- if (value & TXVU_DEST_Z)
- (*info->fprintf_func) (info->stream, "z");
- if (value & TXVU_DEST_W)
- (*info->fprintf_func) (info->stream, "w");
-}
-
-static void
-print_dotdest (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, ".");
- u_print_dest (info, insn, value);
-}
-
-static void
-print_dest1 (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- u_print_dest (info, insn, state_vu_mnemonic_dest);
-}
-
-/* Utilities for single destination choice handling. */
-
-static long
-u_parse_sdest (pstr, errmsg)
- char **pstr;
- const char **errmsg;
-{
- char c;
- long dest = 0;
-
- switch (**pstr)
- {
- case 'x' : case 'X' : dest = TXVU_SDEST_X; break;
- case 'y' : case 'Y' : dest = TXVU_SDEST_Y; break;
- case 'z' : case 'Z' : dest = TXVU_SDEST_Z; break;
- case 'w' : case 'W' : dest = TXVU_SDEST_W; break;
- default : *errmsg = "only one of x,y,z,w can be specified"; return 0;
- }
- ++*pstr;
- c = tolower (**pstr);
- if (c == 'x' || c == 'y' || c == 'z' || c == 'w')
- {
- *errmsg = "only one of x,y,z,w can be specified";
- return 0;
- }
- if (isalnum (**pstr))
- {
- *errmsg = "invalid `dest'";
- return 0;
- }
-
- return dest;
-}
-
-static void
-print_sdest (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- char c;
-
- switch (value)
- {
- case TXVU_SDEST_X : c = 'x'; break;
- case TXVU_SDEST_Y : c = 'y'; break;
- case TXVU_SDEST_Z : c = 'z'; break;
- case TXVU_SDEST_W : c = 'w'; break;
- }
-
- (*info->fprintf_func) (info->stream, "%c", c);
-}
-
-/* Broadcase field. */
-
-static long
-parse_bc (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- long value = u_parse_sdest (pstr, errmsg);
-
- if (*errmsg)
- return 0;
- /* Save value for later verification in register parsing. */
- state_vu_mnemonic_bc = value;
- return value;
-}
-
-/* During the extraction process, save the bc field for use in
- printing the bc register. */
-
-static long
-extract_bc (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- state_vu_mnemonic_bc = *insn & 3;
- return state_vu_mnemonic_bc;
-}
-
-static long
-parse_vfreg (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- long reg;
- int reg_dest;
-
- if (tolower (str[0]) != 'v'
- || tolower (str[1]) != 'f')
- {
- *errmsg = "unknown register";
- return 0;
- }
-
- /* FIXME: quick hack until the framework works. */
- start = str = str + 2;
- while (*str && isdigit (*str))
- ++str;
- reg = atoi (start);
- if (reg < 0 || reg > 31)
- {
- *errmsg = "invalid register number";
- return 0;
- }
- reg_dest = u_parse_dest (&str);
- if (reg_dest == 0 || isalnum (*str))
- {
- *errmsg = "invalid `dest'";
- return 0;
- }
- if (reg_dest != state_vu_mnemonic_dest)
- {
- *errmsg = "register `dest' does not match instruction `dest'";
- return 0;
- }
- *pstr = str;
- return reg;
-}
-
-static void
-print_vfreg (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- disassemble_info *info;
- TXVU_INSN *insn;
- long value;
-{
- (*info->fprintf_func) (info->stream, "vf%02ld", value);
- u_print_dest (info, insn, state_vu_mnemonic_dest);
-}
-
-/* FT register in broadcast case. */
-
-static long
-parse_bcftreg (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- long reg;
- int reg_bc;
-
- if (tolower (str[0]) != 'v'
- || tolower (str[1]) != 'f')
- {
- *errmsg = "unknown register";
- return 0;
- }
-
- /* FIXME: quick hack until the framework works. */
- start = str = str + 2;
- while (*str && isdigit (*str))
- ++str;
- reg = atoi (start);
- if (reg < 0 || reg > 31)
- {
- *errmsg = "invalid register number";
- return 0;
- }
- reg_bc = u_parse_sdest (&str, errmsg);
- if (*errmsg)
- return 0;
- if (reg_bc != state_vu_mnemonic_bc)
- {
- *errmsg = "register `bc' does not match instruction `bc'";
- return 0;
- }
- *pstr = str;
- return reg;
-}
-
-static void
-print_bcftreg (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "vf%02ld", value);
- print_sdest (opcode, operand, mods, insn, info, state_vu_mnemonic_bc);
-}
-
-/* ACC handling. */
-
-static long
-parse_accdest (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- long acc_dest = 0;
-
- if (strncasecmp (str, "acc", 3) != 0)
- {
- *errmsg = "expecting `acc'";
- return 0;
- }
- str += 3;
- acc_dest = u_parse_dest (&str);
- if (acc_dest == 0 || isalnum (*str))
- {
- *errmsg = "invalid `dest'";
- return 0;
- }
- if (acc_dest != state_vu_mnemonic_dest)
- {
- *errmsg = "acc `dest' does not match instruction `dest'";
- return 0;
- }
- *pstr = str;
- /* Value isn't used, but we must return something. */
- return 0;
-}
-
-static void
-print_accdest (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- disassemble_info *info;
- TXVU_INSN *insn;
- long value;
-{
- (*info->fprintf_func) (info->stream, "acc");
- u_print_dest (info, insn, state_vu_mnemonic_dest);
-}
-
-/* XYZ operand handling.
- This simplifies the opmula,opmsub entries by keeping them equivalent to
- the others. */
-
-static void
-insert_xyz (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
- if (state_vu_mnemonic_dest != (TXVU_DEST_X | TXVU_DEST_Y | TXVU_DEST_Z))
- *errmsg = "expecting `xyz' for `dest' value";
-}
-
-/* F[ST] register using selector in F[ST]F field.
- Internally, the value is encoded in 7 bits: the 2 bit xyzw indicator
- followed by the 5 bit register number. */
-
-static long
-parse_ffstreg (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- int reg, xyzw;
-
- if (tolower (str[0]) != 'v'
- || tolower (str[1]) != 'f')
- {
- *errmsg = "unknown register";
- return 0;
- }
-
- /* FIXME: quick hack until the framework works. */
- start = str = str + 2;
- while (*str && isdigit (*str))
- ++str;
- reg = atoi (start);
- if (reg < 0 || reg > 31)
- {
- *errmsg = "invalid register number";
- return 0;
- }
- xyzw = u_parse_sdest (&str, errmsg);
- if (*errmsg)
- return 0;
- *pstr = str;
- return reg | (xyzw << 5);
-}
-
-static void
-print_ffstreg (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "vf%02ld", value & TXVU_MASK_REG);
- print_sdest (opcode, operand, mods, insn, info, (value >> 5) & 3);
-}
-
-static void
-insert_ffstreg (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
- if (operand->shift == TXVU_SHIFT_SREG)
- *insn |= VLFSF (value >> 5) | VS (value);
- else
- *insn |= VLFTF (value >> 5) | VT (value);
-}
-
-static long
-extract_ffstreg (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- if (operand->shift == TXVU_SHIFT_SREG)
- return (((*insn & VLFSF (~0)) >> 21) << 5) | VS (*insn);
- else
- return (((*insn & VLFTF (~0)) >> 21) << 5) | VT (*insn);
-}
-
-/* F register. */
-
-static long
-parse_freg (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- long reg;
-
- if (tolower (str[0]) != 'v'
- || tolower (str[1]) != 'f')
- {
- *errmsg = "unknown register";
- return 0;
- }
-
- /* FIXME: quick hack until the framework works. */
- start = str = str + 2;
- while (*str && isdigit (*str))
- ++str;
- reg = atoi (start);
- if (reg < 0 || reg > 31)
- {
- *errmsg = "invalid register number";
- return 0;
- }
- *pstr = str;
- return reg;
-}
-
-static void
-print_freg (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "vf%02ld", value);
-}
-
-/* I register. */
-
-static long
-parse_ireg (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- long reg;
-
- if (tolower (str[0]) != 'v'
- || tolower (str[1]) != 'i')
- {
- *errmsg = "unknown register";
- return 0;
- }
-
- /* FIXME: quick hack until the framework works. */
- start = str = str + 2;
- while (*str && isdigit (*str))
- ++str;
- reg = atoi (start);
- if (reg < 0 || reg > 31)
- {
- *errmsg = "invalid register number";
- return 0;
- }
- *pstr = str;
- return reg;
-}
-
-static void
-print_ireg (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "vi%02ld", value);
-}
-
-/* VI01 register. */
-
-static long
-parse_vi01 (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- long reg;
-
- if (tolower (str[0]) != 'v'
- || tolower (str[1]) != 'i')
- {
- *errmsg = "unknown register";
- return 0;
- }
-
- /* FIXME: quick hack until the framework works. */
- start = str = str + 2;
- while (*str && isdigit (*str))
- ++str;
- reg = atoi (start);
- if (reg != 1)
- {
- *errmsg = "vi01 required here";
- return 0;
- }
- *pstr = str;
- return reg;
-}
-
-static void
-print_vi01 (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "vi01");
-}
-
-/* Lower instruction 12 bit unsigned immediate. */
-
-static void
-insert_luimm12 (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
- *insn |= VLUIMM12TOP ((value & (1 << 11)) != 0) | VLIMM11 (value);
-}
-
-static long
-extract_luimm12 (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return (((*insn & MLUIMM12TOP) != 0) << 11) | VLIMM11 (*insn);
-}
-
-/* Lower instruction 12 bit unsigned immediate, upper 6 bits. */
-
-static void
-insert_luimm12up6 (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
- *insn |= VLUIMM12TOP ((value & (1 << 11)) != 0) | (value & 0x7c0);
-}
-
-/* Lower instruction 15 bit unsigned immediate. */
-
-static void
-insert_luimm15 (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
- *insn |= VLUIMM15TOP (value >> 11) | VLIMM11 (value);
-}
-
-static long
-extract_luimm15 (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return (((*insn & MLUIMM15TOP) >> 21) << 11) | VLIMM11 (*insn);
-}
-\f
-/* PKE support. */
-
-PARSE_FN (pke_ibit);
-PRINT_FN (pke_ibit);
-
-PARSE_FN (pke_mode);
-PRINT_FN (pke_mode);
-
-PARSE_FN (pke_ability);
-PRINT_FN (pke_ability);
-
-PARSE_FN (pke_mpgaddr);
-
-PARSE_FN (pke_varlendata);
-
-PARSE_FN (pke_imrbits);
-PRINT_FN (pke_imrbits);
-
-PARSE_FN (pke_unpacktype);
-PRINT_FN (pke_unpacktype);
-
-PARSE_FN (pke_unpackaddr);
-
-const txvu_operand pke_operands[] =
-{
- /* place holder (??? not sure if needed) */
-#define PKE_UNUSED 128
- { 0 },
-
- /* The I bit. */
-#define PKE_IBIT (PKE_UNUSED + 1)
- { 1, 31, TXVU_OPERAND_SUFFIX, parse_pke_ibit, 0, 0, print_pke_ibit },
-
- /* An 8 bit unsigned immediate, stored in upper 8 bits of immed field. */
-#define PKE_UIMM8UP (PKE_IBIT + 1)
- { 8, 8, 0, 0, 0, 0, 0 },
-
- /* An 8 bit unsigned immediate, stored in lower 8 bits of immed field. */
-#define PKE_UIMM8LO (PKE_UIMM8UP + 1)
- { 8, 0, 0, 0, 0, 0, 0 },
-
- /* An 16 bit unsigned immediate, stored in lower 8 bits of immed field. */
-#define PKE_UIMM16 (PKE_UIMM8LO + 1)
- { 16, 0, 0, 0, 0, 0, 0 },
-
- /* The mode operand of `stmod'. */
-#define PKE_MODE (PKE_UIMM16 + 1)
- { 2, 0, 0, parse_pke_mode, 0, 0, print_pke_mode },
-
- /* The ability operand of `mskpath3'. */
-#define PKE_ABILITY (PKE_MODE + 1)
- { 1, 15, 0, parse_pke_ability, 0, 0, print_pke_ability },
-
- /* A VU address. */
-#define PKE_VUADDR (PKE_ABILITY + 1)
- { 16, 0, 0, 0, 0, 0, 0 },
-
- /* A 32 bit immediate, appearing in 2nd,3rd,4th,5th words. */
-#define PKE_UIMM32 (PKE_VUADDR + 1)
- { 32, 0, 0, 0, 0, 0, 0 },
-
- /* VU address used by mpg insn. */
-#define PKE_MPGADDR (PKE_UIMM32 + 1)
- { 16, 0, TXVU_OPERAND_ADDRESS, parse_pke_mpgaddr, 0, 0, 0 },
-
- /* A variable length data specifier.
- Any of: file name, number, or '*'. */
-#define PKE_VARLENDATA (PKE_MPGADDR + 1)
- { 0, 0, 0, parse_pke_varlendata, 0, 0, 0 },
-
- /* The IMR bits of the unpack insn. */
-#define PKE_IMRBITS (PKE_VARLENDATA + 1)
- { 0, 0, TXVU_OPERAND_SUFFIX, parse_pke_imrbits, 0, 0, print_pke_imrbits },
-
- /* The type of the unpack insn. */
-#define PKE_UNPACKTYPE (PKE_IMRBITS + 1)
- { 4, 24, 0, parse_pke_unpacktype, 0, 0, print_pke_unpacktype },
-
- /* VU address used by unpack insn. */
-#define PKE_UNPACKADDR (PKE_UIMM32 + 1)
- { 16, 0, TXVU_OPERAND_ADDRESS, parse_pke_unpackaddr, 0, 0, 0 },
-
- /* Fake operand processed at end of parsing an insn to set the length. */
-
-/* end of list place holder */
- { 0 }
-};
-
-/* Field mask values. */
-#define MPKECMD 0x7f000000
-#define MPKEUNPACK 0x60000000
-
-/* Field values. */
-#define VPKECMD(x) V ((x), 7, 24)
-#define VPKEUNPACK V (0x60, 8, 24)
-
-struct txvu_opcode pke_opcodes[] =
-{
- { "pkenop", { PKE_IBIT }, 0x7fffffff, 0 },
- { "stcycle", { PKE_IBIT, SP, PKE_UIMM8UP, C, PKE_UIMM8LO }, MPKECMD, VPKECMD (1) },
- { "offset", { PKE_IBIT, SP, PKE_UIMM16 }, MPKECMD, VPKECMD (2) },
- { "base", { PKE_IBIT, SP, PKE_UIMM16 }, MPKECMD, VPKECMD (3) },
- { "itop", { PKE_IBIT, SP, PKE_UIMM16 }, MPKECMD, VPKECMD (4) },
- { "stmod", { PKE_IBIT, SP, PKE_MODE }, MPKECMD + V (~0, 14, 2), VPKECMD (5) },
- { "mskpath3", { PKE_IBIT, SP, PKE_ABILITY }, MPKECMD + V (~0, 15, 0), VPKECMD (6) },
- { "pkemark", { PKE_IBIT, SP, PKE_UIMM16 }, MPKECMD, VPKECMD (7) },
- { "flushe", { PKE_IBIT }, MPKECMD, VPKECMD (16) },
- { "flush", { PKE_IBIT }, MPKECMD, VPKECMD (17) },
- { "flusha", { PKE_IBIT }, MPKECMD, VPKECMD (19) },
- { "pkemscal", { PKE_IBIT, SP, PKE_VUADDR }, MPKECMD, VPKECMD (20) },
- { "pkemscnt", { PKE_IBIT }, MPKECMD, VPKECMD (23) },
- { "pkemscalf", { PKE_IBIT, SP, PKE_VUADDR }, MPKECMD, VPKECMD (21) },
-
- /* 2 word instructions */
- { "stmask", { PKE_IBIT, SP, PKE_UIMM32 }, MPKECMD, VPKECMD (32), PKE_OPCODE_LEN2 },
-
- /* 5 word instructions */
- { "strow", { PKE_IBIT, SP, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32 }, MPKECMD, VPKECMD (48), PKE_OPCODE_LEN5 },
- { "stcol", { PKE_IBIT, SP, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32 }, MPKECMD, VPKECMD (49), PKE_OPCODE_LEN5 },
-
- /* variable length instructions */
- { "mpg", { PKE_IBIT, SP, PKE_MPGADDR, PKE_VARLENDATA }, MPKECMD, VPKECMD (0x4a), PKE_OPCODE_LENVAR + PKE_OPCODE_MPG },
- { "direct", { PKE_IBIT, SP, PKE_VARLENDATA }, MPKECMD, VPKECMD (0x50), PKE_OPCODE_LENVAR + PKE_OPCODE_DIRECT },
- { "directhl", { PKE_IBIT, SP, PKE_VARLENDATA }, MPKECMD, VPKECMD (0x51), PKE_OPCODE_LENVAR + PKE_OPCODE_DIRECT },
- { "unpack", { PKE_IMRBITS, SP, PKE_UNPACKTYPE, C, PKE_UNPACKADDR, C, PKE_VARLENDATA }, MPKEUNPACK, VPKEUNPACK, PKE_OPCODE_LENVAR + PKE_OPCODE_UNPACK },
-};
-const int pke_opcodes_count = sizeof (pke_opcodes) / sizeof (pke_opcodes[0]);
-\f
-/* Non-zero if a variable length instruction was parsed. */
-static int state_pke_varlen_p;
-
-/* Length of parsed insn, in 32 bit words, or 0 if unknown. */
-static int state_pke_len;
-\f
-/* PKE parse,insert,extract,print helper fns. */
-
-static long
-parse_pke_ibit (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- int flags = 0;
-
- if (*str != '[')
- return 0;
-
- for (str = str + 1; *str != ']'; ++str)
- {
- switch (tolower (*str))
- {
- case 'i' : flags = 1; break;
- default : *errmsg = "unknown flag"; return 0;
- }
- }
-
- *pstr = str + 1;
- return flags;
-}
-
-static void
-print_pke_ibit (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- if (value)
- (*info->fprintf_func) (info->stream, "[i]");
-}
-
-static const keyword stmod_modes[] = {
- { PKE_MODE_DIRECT, "direct" },
- { PKE_MODE_ADD, "add" },
- { PKE_MODE_ADDROW, "addrow" },
- { 0, 0 }
-};
-
-static long
-parse_pke_mode (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- int mode;
- char *str = *pstr;
- char *start;
- char c;
-
- start = str;
- str = scan_symbol (str);
- c = *str;
- *str = 0;
- mode = lookup_keyword_value (stmod_modes, start, 0);
- *str = c;
- if (mode != -1)
- {
- *pstr = str;
- return mode;
- }
- *errmsg = "invalid mode";
- return 0;
-}
-
-static void
-print_pke_mode (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- disassemble_info *info;
- TXVU_INSN *insn;
- long value;
-{
- const char *name = lookup_keyword_name (stmod_modes, value);
-
- if (name)
- (*info->fprintf_func) (info->stream, name);
- else
- (*info->fprintf_func) (info->stream, "???");
-}
-
-static long
-parse_pke_ability (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
-
- if (strncasecmp (str, "disable", 7) == 0)
- {
- *pstr += 7;
- return 0;
- }
- else if (strncasecmp (str, "enable", 6) == 0)
- {
- *pstr += 6;
- return 1;
- }
- *errmsg = "invalid ability";
- return 0;
-}
-
-static void
-print_pke_ability (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- if (value)
- (*info->fprintf_func) (info->stream, "enable");
- else
- (*info->fprintf_func) (info->stream, "disable");
-}
-
-static long
-parse_pke_mpgaddr (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
-
- if (*str == '*')
- {
- ++*pstr;
- return 0; /* FIXME:indicate * somehow */
- }
-
- start = str;
- str = strchr (str, ',');
- if (! str)
- {
- *errmsg = "invalid mpg address";
- return 0;
- }
-
- /* FIXME: call back to expression() to parse address. */
-
- *pstr = str;
- return 0;
-}
-
-/* The result here is either the length specified,
- or PKE_VARLENDATA_FILE or PKE_VARLENDATA_UNKNOWN. */
-
-static long
-parse_pke_varlendata (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
-
- if (*str == '*')
- {
- ++*pstr;
- return 0; /* FIXME:indicate * somehow */
- }
-
- start = str;
-
- /* FIXME: call back to expression() to parse address,
- and pick out filename if such. */
-
- *pstr = str + strlen (str);
- return 0;
-}
-
-static long
-parse_pke_imrbits (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- int flags = 0;
-
- if (*str != '[')
- return 0;
-
- for (str = str + 1; *str != ']'; ++str)
- {
- switch (tolower (*str))
- {
- case 'i' : flags |= PKE_FLAG_I; break;
- case 'm' : flags |= PKE_FLAG_M; break;
- case 'r' : flags |= PKE_FLAG_R; break;
- default : *errmsg = "unknown pke flag"; return 0;
- }
- }
-
- *pstr = str + 1;
- return flags;
-}
-
-static void
-print_pke_imrbits (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- if (value)
- {
- (*info->fprintf_func) (info->stream, "[");
- if (value & PKE_FLAG_I)
- (*info->fprintf_func) (info->stream, "i");
- if (value & PKE_FLAG_M)
- (*info->fprintf_func) (info->stream, "m");
- if (value & PKE_FLAG_R)
- (*info->fprintf_func) (info->stream, "r");
- (*info->fprintf_func) (info->stream, "]");
- }
-}
-
-static const keyword unpack_types[] = {
- { PKE_UNPACK_S_32, "s_32" },
- { PKE_UNPACK_S_16, "s_16" },
- { PKE_UNPACK_S_8, "s_8" },
- { PKE_UNPACK_V2_32, "v2_32" },
- { PKE_UNPACK_V2_16, "v2_16" },
- { PKE_UNPACK_V2_8, "v2_8" },
- { PKE_UNPACK_V3_32, "v3_32" },
- { PKE_UNPACK_V3_16, "v3_16" },
- { PKE_UNPACK_V3_8, "v3_8" },
- { PKE_UNPACK_V4_32, "v4_32" },
- { PKE_UNPACK_V4_16, "v4_16" },
- { PKE_UNPACK_V4_8, "v4_8" },
- { PKE_UNPACK_V4_5, "v4_5" },
- { 0, 0 }
-};
-
-static long
-parse_pke_unpacktype (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- int type;
- char *str = *pstr;
- char *start;
- char c;
-
- start = str;
- str = scan_symbol (str);
- c = *str;
- *str = 0;
- type = lookup_keyword_value (unpack_types, start, 0);
- *str = c;
- if (type != -1)
- {
- *pstr = str;
- return type;
- }
- *errmsg = "invalid unpack type";
- return 0;
-}
-
-static void
-print_pke_unpacktype (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- const char *name = lookup_keyword_name (unpack_types, value);
-
- if (name)
- (*info->fprintf_func) (info->stream, name);
- else
- (*info->fprintf_func) (info->stream, "???");
-}
-
-static long
-parse_pke_unpackaddr (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
-}
-\f
-/* External PKE supporting routines. */
-
-/* Return non-zero if the just parsed pke insn has variable length. */
-
-int
-pke_varlen_p ()
-{
- /* This shouldn't be called unless a pke insn was parsed.
- Also, we want to catch errors in parsing that don't set this. */
- if (state_pke_varlen_p == -1)
- abort ();
-
- return state_pke_varlen_p;
-}
-
-/* Return length, in 32 bit words, of just parsed pke insn,
- or 0 if unknown. */
-
-int
-pke_len ()
-{
- /* This shouldn't be called unless a pke insn was parsed.
- Also, we want to catch errors in parsing that don't set this. */
- if (state_pke_len == -1)
- abort ();
-
- return state_pke_len;
-}
-\f
-/* DMA support. */
-
-PARSE_FN (dma_flags);
-INSERT_FN (dma_flags);
-EXTRACT_FN (dma_flags);
-PRINT_FN (dma_flags);
-
-PARSE_FN (dma_data);
-INSERT_FN (dma_data);
-EXTRACT_FN (dma_data);
-PRINT_FN (dma_data);
-
-PARSE_FN (dma_next);
-INSERT_FN (dma_next);
-EXTRACT_FN (dma_next);
-PRINT_FN (dma_next);
-
-const txvu_operand dma_operands[] =
-{
- /* place holder (??? not sure if needed) */
-#define DMA_UNUSED 128
- { 0 },
-
- /* dma tag flag bits */
-#define DMA_FLAGS (DMA_UNUSED + 1)
- { 0, 0, TXVU_OPERAND_SUFFIX,
- parse_dma_flags, insert_dma_flags, extract_dma_flags, print_dma_flags },
-
- /* dma data spec */
-#define DMA_DATA (DMA_FLAGS + 1)
- { 0, 0, TXVU_OPERAND_DMA_COUNT,
- 0, insert_dma_data, extract_dma_data, print_dma_data },
-
- /* dma data finalization spec */
-#define DMA_DATA2 (DMA_DATA + 1)
- { 0, 0, TXVU_OPERAND_FAKE,
- parse_dma_data2, 0, 0, 0},
-
- /* dma next tag spec */
-#define DMA_ADDR (DMA_DATA2 + 1)
- { 0, 0, 0,
- parse_dma_addr, insert_dma_addr, extract_dma_addr, print_dma_addr},
-
-/* end of list place holder */
- { 0 }
-};
-
-struct txvu_opcode dma_opcodes[] =
-{
- /* ??? Some of these may take optional arguments.
- The way to handle that is to have multiple table entries, those with and
- those without the optional arguments. */
-/*TODO*/ { "dmacall", { DMA_FLAGS, SP, DMA_DATA, C, DMA_ADDR}, 0, 1},
-/*TODO*/ { "dmacnt", { DMA_FLAGS, SP, DMA_DATA, C, DMA_ADDR}, 0, 2},
- { "dmaend", { DMA_FLAGS, SP, DMA_DATA, DMA_DATA2}, 0, 3},
- { "dmaend", { DMA_FLAGS, SP, DMA_DATA, C, DMA_ADDR}, 0, 4},
-/*TODO*/ { "dmanext", { DMA_FLAGS, SP, DMA_DATA, C, DMA_ADDR}, 0, 5},
-/*TODO { "dmaref", { DMA_FLAGS, SP, DMA_DATA, C, DMA_PTR_ADDR}, 0, 6}, */
-/*TODO { "dmarefs", { DMA_FLAGS, SP, DMA_DATA, C, DMA_PTR_ADDR}, 0, 7}, */
-/*TODO*/ { "dmaret", { DMA_FLAGS, SP, DMA_DATA, DMA_DATA2}, 0, 8}
-/*TODO*/ { "dmaret", { DMA_FLAGS, SP, DMA_DATA, C, DMA_ADDR}, 0, 9}
-};
-const int dma_opcodes_count = sizeof (dma_opcodes) / sizeof (dma_opcodes[0]);
-
-/* Did the current DMA instruction has specify "*" as its length operand?
--1=uninitialized, 0=no, 1=yes. */
-static int state_dma_operand_count_p;
-\f
-/* DMA parse,insert,extract,print helper fns. */
-
-static long
-parse_dma_flags (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- int flags = 0;
-
- if (*str != '[')
- return 0;
-
- for (str = str + 1; *str != ']'; ++str)
- {
- switch (tolower (*str))
- {
- case '0' : flags |= DMA_FLAG_PCE0; break;
- case '1' : flags |= DMA_FLAG_PCE1; break;
- case 'i' : flags |= DMA_FLAG_INT; break;
- case 's' : flags |= DMA_FLAG_SPR; break;
- default : *errmsg = "unknown dma flag"; return 0;
- }
- }
-
- *pstr = str + 1;
- return flags;
-}
-
-static void
-insert_dma_flags (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_dma_flags (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_dma_flags (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- if (value)
- {
- (*info->fprintf_func) (info->stream, "[");
- if (value & DMA_FLAG_PCE0)
- (*info->fprintf_func) (info->stream, "0");
- if (value & DMA_FLAG_PCE1)
- (*info->fprintf_func) (info->stream, "1");
- if (value & DMA_FLAG_INT)
- (*info->fprintf_func) (info->stream, "i");
- if (value & DMA_FLAG_SPR)
- (*info->fprintf_func) (info->stream, "s");
- (*info->fprintf_func) (info->stream, "]");
- }
-}
-
-static long
-parse_dma_data2( opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- /*
- If txvu_dma_operand_count() < 0 error
- if txvu_dma_operand_count() > 0
- if dmaref || dmarefs
- compute from two related symbols
- else
- compute from current addr and end symbol
- store value to count field?
- */
-}
-
-static void
-insert_dma_data (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_dma_data (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_dma_data (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "???");
-}
-
-static long
-parse_dma_addr (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *start = *pstr;
- char *end = scan_symbol( start);
-
- if( end == start )
- {
- *errmsg = "invalid dma next tag";
- return 0;
- }
-
- /* FIXME: unfinished
- if txvu_dma_operand_count() > 0
- if dmaref || dmarefs
- this operand must be a symbol (vs an expression)
- lookup the symbol
- store the symbol's value in the addr field (relocs?)
- compute the end_symbol's name
- lookup the end_symbol
- if not found: error
- compute the length as _$<name>-<name>
- else
- evaluate the operand as an expression
- store the value to the count field
- compute the length as _$EndDma-.
- store the count field
- else
- evaluate the operand as an expression
- store the value to the count field
- */
-
- parse_dma_data2( opcode, operand, mods, pstr, errmsg);
-
- *pstr = end;
- return 0;
-}
-
-static void
-insert_dma_addr (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_dma_addr (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_dma_addr (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "???");
-}
-\f
-/* GPUIF support. */
-
-PARSE_FN (gpuif_prim);
-INSERT_FN (gpuif_prim);
-EXTRACT_FN (gpuif_prim);
-PRINT_FN (gpuif_prim);
-
-PARSE_FN (gpuif_regs);
-INSERT_FN (gpuif_regs);
-EXTRACT_FN (gpuif_regs);
-PRINT_FN (gpuif_regs);
-
-PARSE_FN (gpuif_nloop);
-INSERT_FN (gpuif_nloop);
-EXTRACT_FN (gpuif_nloop);
-PRINT_FN (gpuif_nloop);
-
-PARSE_FN (gpuif_eop);
-INSERT_FN (gpuif_eop);
-EXTRACT_FN (gpuif_eop);
-PRINT_FN (gpuif_eop);
-
-const txvu_operand gpuif_operands[] =
-{
- /* place holder (??? not sure if needed) */
-#define GPUIF_UNUSED 128
- { 0 },
-
- /* PRIM=foo operand */
-#define GPUIF_PRIM (GPUIF_UNUSED + 1)
- { 0, 0, 0, parse_gpuif_prim, insert_gpuif_prim, extract_gpuif_prim, print_gpuif_prim },
-
- /* REGS=foo operand */
-#define GPUIF_REGS (GPUIF_PRIM + 1)
- { 0, 0, 0, parse_gpuif_regs, insert_gpuif_regs, extract_gpuif_regs, print_gpuif_regs },
-
- /* NLOOP=foo operand */
-#define GPUIF_NLOOP (GPUIF_REGS + 1)
- { 0, 0, 0, parse_gpuif_nloop, insert_gpuif_nloop, extract_gpuif_nloop, print_gpuif_nloop },
-
- /* EOP operand */
-#define GPUIF_EOP (GPUIF_NLOOP + 1)
- { 0, 0, 0, parse_gpuif_eop, insert_gpuif_eop, extract_gpuif_eop, print_gpuif_eop },
-
-/* end of list place holder */
- { 0 }
-};
-
-struct txvu_opcode gpuif_opcodes[] =
-{
- /* Some of these may take optional arguments.
- The way this is handled is to have multiple table entries, those with and
- those without the optional arguments.
- !!! The order here is important. The code that scans this table assumes
- that if it reaches the end of a syntax string there is nothing more to
- parse. This means that longer versions of instructions must appear before
- shorter ones. Otherwise the text at the "end" of a longer one may be
- interpreted as junk when the parser is using a shorter version of the
- syntax string. */
-
- { "gpuifpacked", { SP, GPUIF_PRIM, C, GPUIF_REGS, C, GPUIF_NLOOP, C, GPUIF_EOP }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_REGS, C, GPUIF_NLOOP, C, GPUIF_EOP }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_PRIM, C, GPUIF_REGS, C, GPUIF_EOP }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_PRIM, C, GPUIF_REGS, C, GPUIF_NLOOP }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_REGS, C, GPUIF_EOP }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_REGS, C, GPUIF_NLOOP }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_PRIM, C, GPUIF_REGS }, 0, 1 },
- { "gpuifpacked", { SP, GPUIF_REGS }, 0, 1 },
-
- { "gpuifreglist", { SP, GPUIF_REGS, C, GPUIF_NLOOP, C, GPUIF_EOP }, 0, 2 },
- { "gpuifreglist", { SP, GPUIF_REGS, C, GPUIF_EOP }, 0, 2 },
- { "gpuifreglist", { SP, GPUIF_REGS, C, GPUIF_NLOOP }, 0, 2 },
- { "gpuifreglist", { SP, GPUIF_REGS }, 0, 2 },
-
- { "gpuifimage", { SP, GPUIF_NLOOP }, 0, 3 },
- { "gpuifimage", { 0 }, 0, 3 },
-};
-const int gpuif_opcodes_count = sizeof (gpuif_opcodes) / sizeof (gpuif_opcodes[0]);
-\f
-/* GPUIF parse,insert,extract,print helper fns. */
-
-static long
-parse_gpuif_prim (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- long prim;
-
- if (strncasecmp (str, "prim=", 5) != 0)
- {
- *errmsg = "missing PRIM spec";
- return 0;
- }
- str += 5;
- for (start = str; isalnum (*str); ++str)
- continue;
- if (str == start)
- {
- *errmsg = "missing PRIM spec";
- return 0;
- }
- /* FIXME: Yes, atoi doesn't do error checking. Later. */
- prim = atoi (start);
- *pstr = str;
- return prim;
-}
-
-static void
-insert_gpuif_prim (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_gpuif_prim (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_gpuif_prim (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "???");
-}
-
-static const keyword gpuif_regs[] = {
- { GPUIF_REG_PRIM, "prim" },
- { GPUIF_REG_RGBAQ, "rgbaq" },
- { GPUIF_REG_ST, "st" },
- { GPUIF_REG_UV, "uv" },
- { GPUIF_REG_XYZF2, "xyzf2" },
- { GPUIF_REG_TEXCLUT_1, "texclut_1" },
- { GPUIF_REG_TEXCLUT_2, "texclut_2" },
- { GPUIF_REG_TEX0_1, "tex0_1" },
- { GPUIF_REG_TEX0_2, "tex0_2" },
- { GPUIF_REG_TEX1_1, "tex1_1" },
- { GPUIF_REG_TEX1_2, "tex1_2" },
- { GPUIF_REG_XYZF3, "xyzf3" },
- { GPUIF_REG_PRMODE, "prmode" },
- { GPUIF_REG_A_D, "a_d" },
- { GPUIF_REG_NOP, "nop" },
- { 0, 0 }
-};
-
-/* Parse a REGS= spec.
- The result is ???. */
-
-static long
-parse_gpuif_regs (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- char c;
- int reg;
-
- if (strncasecmp (str, "regs=", 5) != 0)
- {
- *errmsg = "missing REGS spec";
- return 0;
- }
- str += 5;
- SKIP_BLANKS (str);
- if (*str != '{')
- {
- *errmsg = "missing '{' in REGS spec";
- return 0;
- }
- ++str;
-
- while (*str && *str != '}')
- {
- /* Pick out the register name. */
-
- SKIP_BLANKS (str);
- start = str;
- str = scan_symbol (str);
- if (str == start)
- {
- *errmsg = "invalid REG";
- return 0;
- }
-
- /* Look it up in the table. */
-
- c = *str;
- *str = 0;
- reg = lookup_keyword_value (gpuif_regs, start, 0);
- *str = c;
- if (reg == -1)
- {
- *errmsg = "invalid REG";
- return 0;
- }
-
- /* FIXME: save `reg' away somewhere */
-
- /* Prepare for the next one. */
-
- SKIP_BLANKS (str);
- if (*str == ',')
- ++str;
- else if (*str != '}')
- break;
- }
- if (*str != '}')
- {
- *errmsg = "missing '{' in REGS spec";
- return 0;
- }
-
- *pstr = str + 1;
- return 0; /* FIXME */
-}
-
-static void
-insert_gpuif_regs (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_gpuif_regs (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_gpuif_regs (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "???");
-}
-
-static long
-parse_gpuif_nloop (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- char *str = *pstr;
- char *start;
- char c;
- int nloop;
-
- if (strncasecmp (str, "nloop=", 6) != 0)
- {
- *errmsg = "missing NLOOP spec";
- return 0;
- }
- str += 6;
- SKIP_BLANKS (str);
- start = str;
- str = scan_symbol (str);
- if (str == start)
- {
- *errmsg = "invalid NOOP spec";
- return 0;
- }
- /* FIXME: error checking */
- nloop = atoi (start);
- *pstr = str;
- return nloop;
-}
-
-static void
-insert_gpuif_nloop (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_gpuif_nloop (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_gpuif_nloop (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "???");
-}
-
-static long
-parse_gpuif_eop (opcode, operand, mods, pstr, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- char **pstr;
- const char **errmsg;
-{
- if (strncasecmp (*pstr, "eop", 3) == 0)
- {
- *pstr += 3;
- return 1;
- }
- *errmsg = "missing `EOP'";
- return 0;
-}
-
-static void
-insert_gpuif_eop (opcode, operand, mods, insn, value, errmsg)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- long value;
- const char **errmsg;
-{
-}
-
-static long
-extract_gpuif_eop (opcode, operand, mods, insn, pinvalid)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- int *pinvalid;
-{
- return 0;
-}
-
-static void
-print_gpuif_eop (opcode, operand, mods, insn, info, value)
- const txvu_opcode *opcode;
- const txvu_operand *operand;
- int mods;
- TXVU_INSN *insn;
- disassemble_info *info;
- long value;
-{
- (*info->fprintf_func) (info->stream, "???");
-}
-\f
-/* Init fns.
- These are called before doing each of the respective activities. */
-
-/* Called by the assembler before parsing an instruction. */
-
-void
-txvu_opcode_init_parse ()
-{
- state_vu_mnemonic_dest = -1;
- state_vu_mnemonic_bc = -1;
- state_pke_varlen_p = -1;
- state_pke_len = -1;
- state_dma_operand_count_p = -1;
-}
-
-/*
-Query or set the current type of a DMA length operand, explicit or computed by "as".
-The return value is the setting before "action" is applied:
- -1=uninitialized, 0=explicit, +1=computed
-The value of "action" is interpreted as:
- -1=no change, 0=set explicit, +1=set computed
-*/
-int
-txvu_dma_operand_count( action)
-{
- int result = state_dma_operand_count;
-
- if( action == 0)
- state_dma_operand_count = 0;
- else if( action > 0)
- state_dma_operand_count_p = 1;
-
- return result;
-}
-
-/* Called by the disassembler before printing an instruction. */
-
-void
-txvu_opcode_init_print ()
-{
- state_vu_mnemonic_dest = -1;
- state_vu_mnemonic_bc = -1;
- state_pke_varlen_p = -1;
- state_pke_len = -1;
-}
-\f
-/* Indexed by first letter of opcode. Points to chain of opcodes with same
- first letter. */
-/* ??? One can certainly use a better hash. Later. */
-static txvu_opcode *upper_opcode_map[26 + 1];
-static txvu_opcode *lower_opcode_map[26 + 1];
-
-/* Indexed by insn code. Points to chain of opcodes with same insn code. */
-static txvu_opcode *upper_icode_map[(1 << TXVU_ICODE_HASH_SIZE) - 1];
-static txvu_opcode *lower_icode_map[(1 << TXVU_ICODE_HASH_SIZE) - 1];
-\f
-/* Initialize any tables that need it.
- Must be called once at start up (or when first needed).
-
- FLAGS is currently unused but is intended to control initialization. */
-
-void
-txvu_opcode_init_tables (flags)
- int flags;
-{
- static int init_p = 0;
-
- /* We may be intentionally called more than once (for example gdb will call
- us each time the user switches cpu). These tables only need to be init'd
- once though. */
- /* ??? We can remove the need for txvu_opcode_supported by taking it into
- account here, but I'm not sure I want to do that yet (if ever). */
- if (!init_p)
- {
- int i,n;
-
- /* Upper VU table. */
-
- memset (upper_opcode_map, 0, sizeof (upper_opcode_map));
- memset (upper_icode_map, 0, sizeof (upper_icode_map));
- /* Scan the table backwards so macros appear at the front. */
- for (i = txvu_upper_opcodes_count - 1; i >= 0; --i)
- {
- int opcode_hash = TXVU_HASH_UPPER_OPCODE (txvu_upper_opcodes[i].mnemonic);
- int icode_hash = TXVU_HASH_UPPER_ICODE (txvu_upper_opcodes[i].value);
-
- txvu_upper_opcodes[i].next_asm = upper_opcode_map[opcode_hash];
- upper_opcode_map[opcode_hash] = &txvu_upper_opcodes[i];
-
- txvu_upper_opcodes[i].next_dis = upper_icode_map[icode_hash];
- upper_icode_map[icode_hash] = &txvu_upper_opcodes[i];
- }
-
- /* Lower VU table. */
-
- memset (lower_opcode_map, 0, sizeof (lower_opcode_map));
- memset (lower_icode_map, 0, sizeof (lower_icode_map));
- /* Scan the table backwards so macros appear at the front. */
- for (i = txvu_lower_opcodes_count - 1; i >= 0; --i)
- {
- int opcode_hash = TXVU_HASH_LOWER_OPCODE (txvu_lower_opcodes[i].mnemonic);
- int icode_hash = TXVU_HASH_LOWER_ICODE (txvu_lower_opcodes[i].value);
-
- txvu_lower_opcodes[i].next_asm = lower_opcode_map[opcode_hash];
- lower_opcode_map[opcode_hash] = &txvu_lower_opcodes[i];
-
- txvu_lower_opcodes[i].next_dis = lower_icode_map[icode_hash];
- lower_icode_map[icode_hash] = &txvu_lower_opcodes[i];
- }
-
- /* FIXME: We just hash everything to the same value for the rest.
- Quick hack while other things are worked on. */
-
- /* PKE table. */
-
- for (i = pke_opcodes_count - 2; i >= 0; --i)
- {
- pke_opcodes[i].next_asm = & pke_opcodes[i+1];
- pke_opcodes[i].next_dis = & pke_opcodes[i+1];
- }
-
- /* DMA table. */
-
- for (i = dma_opcodes_count - 2; i >= 0; --i)
- {
- dma_opcodes[i].next_asm = & dma_opcodes[i+1];
- dma_opcodes[i].next_dis = & dma_opcodes[i+1];
- }
-
- /* GPUIF table. */
-
- for (i = gpuif_opcodes_count - 2; i >= 0; --i)
- {
- gpuif_opcodes[i].next_asm = & gpuif_opcodes[i+1];
- gpuif_opcodes[i].next_dis = & gpuif_opcodes[i+1];
- }
-
- init_p = 1;
- }
-}
-
-/* Return the first insn in the chain for assembling upper INSN. */
-
-const txvu_opcode *
-txvu_upper_opcode_lookup_asm (insn)
- const char *insn;
-{
- return upper_opcode_map[TXVU_HASH_UPPER_OPCODE (insn)];
-}
-
-/* Return the first insn in the chain for disassembling upper INSN. */
-
-const txvu_opcode *
-txvu_upper_opcode_lookup_dis (insn)
- TXVU_INSN insn;
-{
- return upper_icode_map[TXVU_HASH_UPPER_ICODE (insn)];
-}
-
-/* Return the first insn in the chain for assembling lower INSN. */
-
-const txvu_opcode *
-txvu_lower_opcode_lookup_asm (insn)
- const char *insn;
-{
- return lower_opcode_map[TXVU_HASH_LOWER_OPCODE (insn)];
-}
-
-/* Return the first insn in the chain for disassembling lower INSN. */
-
-const txvu_opcode *
-txvu_lower_opcode_lookup_dis (insn)
- TXVU_INSN insn;
-{
- return lower_icode_map[TXVU_HASH_LOWER_ICODE (insn)];
-}
-
-/* Return the first insn in the chain for assembling lower INSN. */
-
-const txvu_opcode *
-pke_opcode_lookup_asm (insn)
- const char *insn;
-{
- return &pke_opcodes[0];
-}
-
-/* Return the first insn in the chain for disassembling lower INSN. */
-
-const txvu_opcode *
-pke_opcode_lookup_dis (insn)
- TXVU_INSN insn;
-{
- return &pke_opcodes[0];
-}
-
-/* Return the first insn in the chain for assembling lower INSN. */
-
-const txvu_opcode *
-dma_opcode_lookup_asm (insn)
- const char *insn;
-{
- return &dma_opcodes[0];
-}
-
-/* Return the first insn in the chain for disassembling lower INSN. */
-
-const txvu_opcode *
-dma_opcode_lookup_dis (insn)
- TXVU_INSN insn;
-{
- return &dma_opcodes[0];
-}
-
-/* Return the first insn in the chain for assembling lower INSN. */
-
-const txvu_opcode *
-gpuif_opcode_lookup_asm (insn)
- const char *insn;
-{
- return &gpuif_opcodes[0];
-}
-
-/* Return the first insn in the chain for disassembling lower INSN. */
-
-const txvu_opcode *
-gpuif_opcode_lookup_dis (insn)
- TXVU_INSN insn;
-{
- return &gpuif_opcodes[0];
-}
-\f
-/* Misc. utilities. */
-
-/* Scan a symbol and return a pointer to one past the end. */
-
-static char *
-scan_symbol (sym)
- char *sym;
-{
- while (*sym && issymchar (*sym))
- ++sym;
- return sym;
-}
-
-/* Given a keyword, look up its value, or -1 if not found. */
-
-static int
-lookup_keyword_value (table, name, case_sensitive_p)
- const keyword *table;
- const char *name;
- int case_sensitive_p;
-{
- const keyword *p;
-
- if (case_sensitive_p)
- {
- for (p = table; p->name; ++p)
- if (strcmp (name, p->name) == 0)
- return p->value;
- }
- else
- {
- for (p = table; p->name; ++p)
- if (strcasecmp (name, p->name) == 0)
- return p->value;
- }
-
- return -1;
-}
-
-/* Given a keyword's value, look up its name, or NULL if not found. */
-
-static const char *
-lookup_keyword_name (table, value)
- const keyword *table;
- int value;
-{
- const keyword *p;
-
- for (p = table; p->name; ++p)
- if (value == p->value)
- return p->name;
-
- return NULL;
-}
projects / external / binutils.git / commitdiff