diff options
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 26 | ||||
| -rw-r--r-- | opcodes/ppc-opc.c | 222 |
2 files changed, 218 insertions, 30 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 2b5cc5e..8a1cc0a 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,29 @@ +Fri Feb 4 23:38:03 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * ppc-opc.c (powerpc_operands): New operand type MBE to handle a + single number giving a bitmask for the MB and ME fields of an M + form instruction. Change NB to accept 32, and turn it into 0; + also turn 0 into 32 when disassembling. Seperated SH from NB. + (insert_mbe, extract_mbe): New functions. + (insert_nb, extract_nb): New functions. + (SC_MASK): Mask out SA and LK bits. + (powerpc_opcodes): Change "cal" to use RT, D, RA rather than RT, + RA, SI. Change "liu" and "cau" to use UI rather than SI. Mark + "bctr" and "bctrl" as accepted by POWER. Change "rlwimi", + "rlimi", "rlwimi.", "rlimi.", "rlwinm", "rlinm", "rlwinm.", + "rlinm.", "rlmi", "rlmi.", "rlwnm", "rlnm", "rlwnm.", "rlnm." to + use MBE rather than MB. Add "mfmq" and "mtmq" POWER instructions. + (powerpc_macros): Define table of macro definitions. + (powerpc_num_macros): Define. + + * ppc-dis.c (print_insn_powerpc): Don't skip optional operands + if PPC_OPERAND_NEXT is set. + +Sat Jan 22 23:10:07 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * i960-dis.c (print_insn_i960): Make buffer bfd_byte instead of + char. Retrieve contents using bfd_getl32 instead of shifting. + Fri Jan 21 19:01:39 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) * ppc-opc.c: New file. Opcode table for PowerPC, including diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c index b46d586..d1328b2 100644 --- a/opcodes/ppc-opc.c +++ b/opcodes/ppc-opc.c @@ -55,8 +55,12 @@ static unsigned long insert_ds PARAMS ((unsigned long, long, const char **)); static long extract_ds PARAMS ((unsigned long, int *)); static unsigned long insert_li PARAMS ((unsigned long, long, const char **)); static long extract_li PARAMS ((unsigned long, int *)); +static unsigned long insert_mbe PARAMS ((unsigned long, long, const char **)); +static long extract_mbe PARAMS ((unsigned long, int *)); static unsigned long insert_mb6 PARAMS ((unsigned long, long, const char **)); static long extract_mb6 PARAMS ((unsigned long, int *)); +static unsigned long insert_nb PARAMS ((unsigned long, long, const char **)); +static long extract_nb PARAMS ((unsigned long, int *)); static unsigned long insert_nsi PARAMS ((unsigned long, long, const char **)); static long extract_nsi PARAMS ((unsigned long, int *)); static unsigned long insert_rbs PARAMS ((unsigned long, long, const char **)); @@ -226,12 +230,12 @@ const struct powerpc_operand powerpc_operands[] = /* The LI field in an I form instruction. The lower two bits are forced to zero. */ #define LI (LEV + 1) - { 25, 0, 1, insert_li, extract_li, PPC_OPERAND_RELATIVE }, + { 26, 0, 1, insert_li, extract_li, PPC_OPERAND_RELATIVE }, /* The LI field in an I form instruction when used as an absolute address. */ #define LIA (LI + 1) - { 25, 0, 1, insert_li, extract_li, PPC_OPERAND_ABSOLUTE }, + { 26, 0, 1, insert_li, extract_li, PPC_OPERAND_ABSOLUTE }, /* The MB field in an M form instruction. */ #define MB (LIA + 1) @@ -243,19 +247,25 @@ const struct powerpc_operand powerpc_operands[] = #define ME_MASK (0x1f << 1) { 5, 1, 0, 0, 0, 0 }, + /* The MB and ME fields in an M form instruction expressed a single + operand which is a bitmask indicating which bits to select. This + is a two operand form using PPC_OPERAND_NEXT. See the + description in opcode/ppc.h for what this means. */ +#define MBE (ME + 1) + { 5, 6, 0, 0, 0, PPC_OPERAND_OPTIONAL | PPC_OPERAND_NEXT }, + { 32, 0, 0, insert_mbe, extract_mbe, 0 }, + /* The MB or ME field in an MD or MDS form instruction. The high bit is wrapped to the low end. */ -#define MB6 (ME + 1) +#define MB6 (MBE + 2) #define ME6 (MB6) #define MB6_MASK (0x3f << 5) { 6, 5, 0, insert_mb6, extract_mb6, 0 }, - /* The NB field in an X form instruction or the SH field in an X or - M form instruction. */ + /* The NB field in an X form instruction. The value 32 is stored as + 0. */ #define NB (MB6 + 1) -#define SH (NB) -#define SH_MASK (0x1f << 11) - { 5, 11, 0, 0, 0, 0 }, + { 6, 11, 0, insert_nb, extract_nb, 0 }, /* The NSI field in a D form instruction. This is the same as the SI field, only negated. */ @@ -286,8 +296,13 @@ const struct powerpc_operand powerpc_operands[] = #define RT_MASK (0x1f << 21) { 5, 21, 0, 0, 0, PPC_OPERAND_GPR }, + /* The SH field in an X or M form instruction. */ +#define SH (RS + 1) +#define SH_MASK (0x1f << 11) + { 5, 11, 0, 0, 0, 0 }, + /* The SH field in an MD form instruction. This is split. */ -#define SH6 (RS + 1) +#define SH6 (SH + 1) #define SH6_MASK ((0x1f << 11) | (1 << 1)) { 6, 1, 0, insert_sh6, extract_sh6, 0 }, @@ -636,6 +651,73 @@ extract_li (insn, invalid) return insn & 0x3fffffc; } +/* The MB and ME fields in an M form instruction expressed as a single + operand which is itself a bitmask. The extraction function always + marks it as invalid, since we never want to recognize an + instruction which uses a field of this type. */ + +static unsigned long +insert_mbe (insn, value, errmsg) + unsigned long insn; + long value; + const char **errmsg; +{ + unsigned long uval; + int mb, me; + + uval = value; + + if (uval == 0) + { + if (errmsg != (const char **) NULL) + *errmsg = "illegal bitmask"; + return insn; + } + + me = 31; + while ((uval & 1) == 0) + { + uval >>= 1; + --me; + } + + mb = me; + uval >>= 1; + while ((uval & 1) != 0) + { + uval >>= 1; + --mb; + } + + if (uval != 0) + { + if (errmsg != (const char **) NULL) + *errmsg = "illegal bitmask"; + } + + return insn | (mb << 6) | (me << 1); +} + +static long +extract_mbe (insn, invalid) + unsigned long insn; + int *invalid; +{ + long ret; + int mb, me; + int i; + + if (invalid != (int *) NULL) + *invalid = 1; + + ret = 0; + mb = (insn >> 6) & 0x1f; + me = (insn >> 1) & 0x1f; + for (i = mb; i < me; i++) + ret |= 1 << (31 - i); + return ret; +} + /* The MB or ME field in an MD or MDS form instruction. The high bit is wrapped to the low end. */ @@ -658,8 +740,38 @@ extract_mb6 (insn, invalid) return ((insn >> 6) & 0x1f) | (insn & 0x20); } +/* The NB field in an X form instruction. The value 32 is stored as + 0. */ + +static unsigned long +insert_nb (insn, value, errmsg) + unsigned long insn; + long value; + const char **errmsg; +{ + if (value < 0 || value > 32) + *errmsg = "value out of range"; + if (value == 32) + value = 0; + return insn | ((value & 0x1f) << 11); +} + +/*ARGSUSED*/ +static long +extract_nb (insn, invalid) + unsigned long insn; + int *invalid; +{ + long ret; + + ret = (insn >> 11) & 0x1f; + if (ret == 0) + ret = 32; + return ret; +} + /* The NSI field in a D form instruction. This is the same as the SI - field, only negated. The extraction function always mark it as + field, only negated. The extraction function always marks it as invalid, since we never want to recognize an instruction which uses a field of this type. */ @@ -851,7 +963,7 @@ extract_spr (insn, invalid) /* An SC form instruction. */ #define SC(op, sa, lk) (OP (op) | (((sa) & 1) << 1) | ((lk) & 1)) -#define SC_MASK (OP_MASK | (0x3ff << 16)) +#define SC_MASK (OP_MASK | (0x3ff << 16) | (1 << 1) | 1) /* An X form instruction. */ #define X(op, xop) (OP (op) | (((xop) & 0x3ff) << 1)) @@ -1093,14 +1205,14 @@ const struct powerpc_opcode powerpc_opcodes[] = { { "li", OP(14), DRA_MASK, PPC, { RT, SI } }, { "lil", OP(14), DRA_MASK, POWER, { RT, SI } }, { "addi", OP(14), OP_MASK, PPC, { RT, RA, SI } }, -{ "cal", OP(14), OP_MASK, POWER, { RT, RA, SI } }, +{ "cal", OP(14), OP_MASK, POWER, { RT, D, RA } }, { "subi", OP(14), OP_MASK, PPC, { RT, RA, NSI } }, { "la", OP(14), OP_MASK, PPC, { RT, D, RA } }, { "lis", OP(15), DRA_MASK, PPC, { RT, SI } }, -{ "liu", OP(15), DRA_MASK, POWER, { RT, SI } }, +{ "liu", OP(15), DRA_MASK, POWER, { RT, UI } }, { "addis", OP(15), OP_MASK, PPC, { RT, RA, SI } }, -{ "cau", OP(15), OP_MASK, POWER, { RT, RA, SI } }, +{ "cau", OP(15), OP_MASK, POWER, { RT, RA, UI } }, { "subis", OP(15), OP_MASK, PPC, { RT, RA, NSI } }, { "bdnz-", BBO(16,BODNZ,0,0), BBOYBI_MASK, PPC, { BDM } }, @@ -1561,8 +1673,8 @@ const struct powerpc_opcode powerpc_opcodes[] = { { "crmove", XL(19,449), XL_MASK, PPC, { BT, BA, BBA } }, { "cror", XL(19,449), XL_MASK, PPC|POWER, { BT, BA, BB } }, -{ "bctr", XLO(19,BOU,528,0), XLBOBIBB_MASK, PPC, { 0 } }, -{ "bctrl", XLO(19,BOU,528,1), XLBOBIBB_MASK, PPC, { 0 } }, +{ "bctr", XLO(19,BOU,528,0), XLBOBIBB_MASK, PPC|POWER, { 0 } }, +{ "bctrl", XLO(19,BOU,528,1), XLBOBIBB_MASK, PPC|POWER, { 0 } }, { "bltctr", XLOCB(19,BOT,CBLT,528,0), XLBOCBBB_MASK, PPC, { CR } }, { "bltctr-", XLOCB(19,BOT,CBLT,528,0), XLBOCBBB_MASK, PPC, { CR } }, { "bltctr+", XLOCB(19,BOTP,CBLT,528,0), XLBOCBBB_MASK, PPC, { CR } }, @@ -1656,30 +1768,30 @@ const struct powerpc_opcode powerpc_opcodes[] = { { "bcc", XLLK(19,528,0), XLBB_MASK, POWER, { BO, BI } }, { "bccl", XLLK(19,528,1), XLBB_MASK, POWER, { BO, BI } }, -{ "rlwimi", M(20,0), M_MASK, PPC, { RA,RS,SH,MB,ME } }, -{ "rlimi", M(20,0), M_MASK, POWER, { RA,RS,SH,MB,ME } }, +{ "rlwimi", M(20,0), M_MASK, PPC, { RA,RS,SH,MBE,ME } }, +{ "rlimi", M(20,0), M_MASK, POWER, { RA,RS,SH,MBE,ME } }, -{ "rlwimi.", M(20,1), M_MASK, PPC, { RA,RS,SH,MB,ME } }, -{ "rlimi.", M(20,1), M_MASK, POWER, { RA,RS,SH,MB,ME } }, +{ "rlwimi.", M(20,1), M_MASK, PPC, { RA,RS,SH,MBE,ME } }, +{ "rlimi.", M(20,1), M_MASK, POWER, { RA,RS,SH,MBE,ME } }, { "rotlwi", MME(21,31,0), MMBME_MASK, PPC, { RA, RS, SH } }, { "clrlwi", MME(21,31,0), MSHME_MASK, PPC, { RA, RS, MB } }, -{ "rlwinm", M(21,0), M_MASK, PPC, { RA,RS,SH,MB,ME } }, -{ "rlinm", M(21,0), M_MASK, POWER, { RA,RS,SH,MB,ME } }, +{ "rlwinm", M(21,0), M_MASK, PPC, { RA,RS,SH,MBE,ME } }, +{ "rlinm", M(21,0), M_MASK, POWER, { RA,RS,SH,MBE,ME } }, { "rotlwi.", MME(21,31,1), MMBME_MASK, PPC, { RA,RS,SH } }, { "clrlwi.", MME(21,31,1), MSHME_MASK, PPC, { RA, RS, MB } }, -{ "rlwinm.", M(21,1), M_MASK, PPC, { RA,RS,SH,MB,ME } }, -{ "rlinm.", M(21,1), M_MASK, POWER, { RA,RS,SH,MB,ME } }, +{ "rlwinm.", M(21,1), M_MASK, PPC, { RA,RS,SH,MBE,ME } }, +{ "rlinm.", M(21,1), M_MASK, POWER, { RA,RS,SH,MBE,ME } }, -{ "rlmi", M(22,0), M_MASK, POWER, { RA,RS,RB,MB,ME } }, -{ "rlmi.", M(22,1), M_MASK, POWER, { RA,RS,RB,MB,ME } }, +{ "rlmi", M(22,0), M_MASK, POWER, { RA,RS,RB,MBE,ME } }, +{ "rlmi.", M(22,1), M_MASK, POWER, { RA,RS,RB,MBE,ME } }, { "rotlw", MME(23,31,0), MMBME_MASK, PPC, { RA, RS, RB } }, -{ "rlwnm", M(23,0), M_MASK, PPC, { RA,RS,RB,MB,ME } }, -{ "rlnm", M(23,0), M_MASK, POWER, { RA,RS,RB,MB,ME } }, +{ "rlwnm", M(23,0), M_MASK, PPC, { RA,RS,RB,MBE,ME } }, +{ "rlnm", M(23,0), M_MASK, POWER, { RA,RS,RB,MBE,ME } }, { "rotlw.", MME(23,31,1), MMBME_MASK, PPC, { RA, RS, RB } }, -{ "rlwnm.", M(23,1), M_MASK, PPC, { RA,RS,RB,MB,ME } }, -{ "rlnm.", M(23,1), M_MASK, POWER, { RA,RS,RB,MB,ME } }, +{ "rlwnm.", M(23,1), M_MASK, PPC, { RA,RS,RB,MBE,ME } }, +{ "rlnm.", M(23,1), M_MASK, POWER, { RA,RS,RB,MBE,ME } }, { "nop", OP(24), 0xffffffff, PPC, { 0 } }, { "ori", OP(24), OP_MASK, PPC, { RA, RS, UI } }, @@ -2047,6 +2159,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { { "divo", XO(31,331,1,0), XO_MASK, POWER, { RT, RA, RB } }, { "divo.", XO(31,331,1,1), XO_MASK, POWER, { RT, RA, RB } }, +{ "mfmq", XSPR(31,339,0), XSPR_MASK, POWER, { RT } }, { "mfxer", XSPR(31,339,1), XSPR_MASK, PPC|POWER, { RT } }, { "mflr", XSPR(31,339,8), XSPR_MASK, PPC|POWER, { RT } }, { "mfctr", XSPR(31,339,9), XSPR_MASK, PPC|POWER, { RT } }, @@ -2103,6 +2216,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { { "divwuo", XO(31,459,1,0), XO_MASK, PPC, { RT, RA, RB } }, { "divwuo.", XO(31,459,1,1), XO_MASK, PPC, { RT, RA, RB } }, +{ "mtmq", XSPR(31,467,0), XSPR_MASK, POWER, { RS } }, { "mtxer", XSPR(31,467,1), XSPR_MASK, PPC|POWER, { RS } }, { "mtlr", XSPR(31,467,8), XSPR_MASK, PPC|POWER, { RS } }, { "mtctr", XSPR(31,467,9), XSPR_MASK, PPC|POWER, { RS } }, @@ -2461,3 +2575,51 @@ const struct powerpc_opcode powerpc_opcodes[] = { const int powerpc_num_opcodes = sizeof (powerpc_opcodes) / sizeof (powerpc_opcodes[0]); + +/* The macro table. This is only used by the assembler. */ + +const struct powerpc_macro powerpc_macros[] = { +{ "extldi", 4, PPC|B64, "rldicr %0,%1,%3,(%2)-1" }, +{ "extldi.", 4, PPC|B64, "rldicr. %0,%1,%3,(%2)-1" }, +{ "extrdi", 4, PPC|B64, "rldicl %0,%1,(%2)+(%3),64-(%2)" }, +{ "extrdi.", 4, PPC|B64, "rldicl. %0,%1,(%2)+(%3),64-(%2)" }, +{ "insrdi", 4, PPC|B64, "rldimi %0,%1,64-((%2)+(%3)),%3" }, +{ "insrdi.", 4, PPC|B64, "rldimi. %0,%1,64-((%2)+(%3)),%3" }, +{ "rotrdi", 3, PPC|B64, "rldicl %0,%1,64-(%2),0" }, +{ "rotrdi.", 3, PPC|B64, "rldicl. %0,%1,64-(%2),0" }, +{ "sldi", 3, PPC|B64, "rldicr %0,%1,%2,63-(%2)" }, +{ "sldi.", 3, PPC|B64, "rldicr. %0,%1,%2,63-(%2)" }, +{ "srdi", 3, PPC|B64, "rldicl %0,%1,64-(%2),%2" }, +{ "srdi.", 3, PPC|B64, "rldicl. %0,%1,64-(%2),%2" }, +{ "clrrdi", 3, PPC|B64, "rldicr %0,%1,0,63-(%2)" }, +{ "clrrdi.", 3, PPC|B64, "rldicr. %0,%1,0,63-(%2)" }, +{ "clrlsldi",4, PPC|B64, "rldic %0,%1,%3,(%2)-(%3)" }, +{ "clrlsldi.",4, PPC|B64, "rldic. %0,%1,%3,(%2)-(%3)" }, + +{ "extlwi", 4, PPC, "rlwinm %0,%1,%3,0,(%2)-1" }, +{ "extlwi.", 4, PPC, "rlwinm. %0,%1,%3,0,(%2)-1" }, +{ "extrwi", 4, PPC, "rlwinm %0,%1,(%2)+(%3),32-(%2),31" }, +{ "extrwi.", 4, PPC, "rlwinm. %0,%1,(%2)+(%3),32-(%2),31" }, +{ "inslwi", 4, PPC, "rlwimi %0,%1,32-(%3),%3,(%2)+(%3)-1" }, +{ "inslwi.", 4, PPC, "rlwimi. %0,%1,32-(%3),%3,(%2)+(%3)-1" }, +{ "insrwi", 4, PPC, "rlwimi %0,%1,32-((%2)+(%3)),%3,(%2)+(%3)-1" }, +{ "insrwi.", 4, PPC, "rlwimi. %0,%1,32-((%2)+(%3)),%3,(%2)+(%3)-1"}, +{ "rotrwi", 3, PPC, "rlwinm %0,%1,32-(%2),0,31" }, +{ "rotrwi.", 3, PPC, "rlwinm. %0,%1,32-(%2),0,31" }, +{ "slwi", 3, PPC, "rlwinm %0,%1,%2,0,31-(%2)" }, +{ "sli", 3, POWER, "rlinm %0,%1,%2,0,31-(%2)" }, +{ "slwi.", 3, PPC, "rlwinm. %0,%1,%2,0,31-(%2)" }, +{ "sli.", 3, POWER, "rlinm. %0,%1,%2,0,31-(%2)" }, +{ "srwi", 3, PPC, "rlwinm %0,%1,32-(%2),%2,31" }, +{ "sri", 3, POWER, "rlinm %0,%1,32-(%2),%2,31" }, +{ "srwi.", 3, PPC, "rlwinm. %0,%1,32-(%2),%2,31" }, +{ "sri.", 3, POWER, "rlinm. %0,%1,32-(%2),%2,31" }, +{ "clrrwi", 3, PPC, "rlwinm %0,%1,0,0,31-(%2)" }, +{ "clrrwi.", 3, PPC, "rlwinm. %0,%1,0,0,31-(%2)" }, +{ "clrlslwi",4, PPC, "rlwinm %0,%1,%3,(%2)-(%3),31-(%3)" }, +{ "clrlslwi.",4, PPC, "rlwinm. %0,%1,%3,(%2)-(%3),31-(%3)" }, + +}; + +const int powerpc_num_macros = + sizeof (powerpc_macros) / sizeof (powerpc_macros[0]); |