/* Table of opcodes for the PA-RISC. Copyright (C) 1990, 1991, 1993 Free Software Foundation, Inc. Contributed by the Center for Software Science at the University of Utah (pa-gdb-bugs@cs.utah.edu). This file is part of GAS, the GNU Assembler, and GDB, the GNU disassembler. GAS/GDB 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 1, or (at your option) any later version. GAS/GDB 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 GAS or GDB; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #if !defined(__STDC__) && !defined(const) #define const #endif /* * Structure of an opcode table entry. */ /* There are two kinds of delay slot nullification: normal which is * controled by the nullification bit, and conditional, which depends * on the direction of the branch and its success or failure. * * NONE is unfortunately #defined in the hiux system include files. * #undef it away. */ #undef NONE enum delay_type {NONE, NORMAL, CONDITIONAL}; struct pa_opcode { const char *name; unsigned long int match; /* Bits that must be set... */ unsigned long int mask; /* ... in these bits. */ char *args; /* Nonzero if this is a delayed branch instruction. */ /* What uses this field? Nothing in opcodes or gas that I saw. If nothing needs it, we could reduce this table by 20% (for most machines). KR */ char delayed; }; /* All hppa opcodes are 32 bits. The match component is a mask saying which bits must match a particular opcode in order for an instruction to be an instance of that opcode. The args component is a string containing one character for each operand of the instruction. Bit positions in this description follow HP usage of lsb = 31, "at" is lsb of field. In the args field, the following characters must match exactly: '+,() ' In the args field, the following characters are unused: ' "#$% *+- ./ 3 :; = @' ' B L [\] _' ' e gh lm qr { } ' Here are all the characters: ' !"#$%&'()*+-,./0123456789:;<=>?@' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_' 'abcdefghijklmnopqrstuvwxyz{|}~' Kinds of operands: x integer register field at 15. b integer register field at 10. t integer register field at 31. y floating point register field at 31 5 5 bit immediate at 15. s 2 bit space specifier at 17. S 3 bit space specifier at 18. c indexed load completer. C short load and store completer. Y Store Bytes Short completer < non-negated compare/subtract conditions. a compare/subtract conditions d non-negated add conditions & logical instruction conditions U unit instruction conditions > shift/extract/deposit conditions. ~ bvb,bb conditions V 5 bit immediate value at 31 i 11 bit immediate value at 31 j 14 bit immediate value at 31 k 21 bit immediate value at 31 n nullification for branch instructions N nullification for spop and copr instructions w 12 bit branch displacement W 17 bit branch displacement (PC relative) z 17 bit branch displacement (just a number, not an address) Also these: p 5 bit shift count at 26 (to support the SHD instruction) encoded as 31-p P 5 bit bit position at 26 T 5 bit field length at 31 (encoded as 32-T) A 13 bit immediate at 18 (to support the BREAK instruction) ^ like b, but describes a control register Z System Control Completer (to support LPA, LHA, etc.) D 26 bit immediate at 31 (to support the DIAG instruction) f 3 bit Special Function Unit identifier at 25 O 20 bit Special Function Unit operation split between 15 bits at 20 and 5 bits at 31 o 15 bit Special Function Unit operation at 20 2 22 bit Special Function Unit operation split between 17 bits at 20 and 5 bits at 31 1 15 bit Special Function Unit operation split between 10 bits at 20 and 5 bits at 31 0 10 bit Special Function Unit operation split between 5 bits at 20 and 5 bits at 31 u 3 bit coprocessor unit identifier at 25 F Source Floating Point Operand Format Completer encoded 2 bits at 20 I Source Floating Point Operand Format Completer encoded 1 bits at 20 (for 0xe format FP instructions) G Destination Floating Point Operand Format Completer encoded 2 bits at 18 M Floating-Point Compare Conditions (encoded as 5 bits at 31) ? negated compare/subtract conditions. ! non-negated add conditions. s 2 bit space specifier at 17. b register field at 10. r 5 bit immediate value at 31 (for the break instruction) (very similar to V above, except the value is unsigned instead of low_sign_ext) R 5 bit immediate value at 15 (for the ssm, rsm, probei instructions) (same as r above, except the value is in a different location) Q 5 bit immediate value at 10 (a bit position specified in the bb instruction. It's the same as r above, except the value is in a different location) | shift/extract/deposit conditions when used in a conditional branch And these (PJH) for PA-89 F.P. registers and instructions: v a 't' operand type extended to handle L/R register halves. E a 'b' operand type extended to handle L/R register halves. X an 'x' operand type extended to handle L/R register halves. J a 'b' operand type further extended to handle extra 1.1 registers K a 'x' operand type further extended to handle extra 1.1 registers 4 a variation of the 'b' operand type for 'fmpyadd' and 'fmpysub' 6 a variation of the 'x' operand type for 'fmpyadd' and 'fmpysub' 7 a variation of the 't' operand type for 'fmpyadd' and 'fmpysub' 8 5 bit register field at 20 (used in 'fmpyadd' and 'fmpysub') 9 5 bit register field at 25 (used in 'fmpyadd' and 'fmpysub') H Floating Point Operand Format at 26 for 'fmpyadd' and 'fmpysub' (very similar to 'F') */ /* The order of the opcodes in this table is significant: * The assembler requires that all instances of the same mnemonic must be consecutive. If they aren't, the assembler will bomb at runtime. * The disassembler should not care about the order of the opcodes. */ static const struct pa_opcode pa_opcodes[] = { /* pseudo-instructions */ { "b", 0xe8000000, 0xffe0e000, "nW", NORMAL}, /* bl foo,r0 */ { "ldi", 0x34000000, 0xffe0c000, "j,x"}, /* ldo val(r0),r */ { "comib", 0x84000000, 0xfc000000, "?n5,b,w", CONDITIONAL}, /* comib{tf}*/ { "comb", 0x80000000, 0xfc000000, "?nx,b,w", CONDITIONAL}, /* comb{tf} */ { "addb", 0xa0000000, 0xfc000000, "!nx,b,w", CONDITIONAL}, /* addb{tf} */ { "addib", 0xa4000000, 0xfc000000, "!n5,b,w", CONDITIONAL}, /* addib{tf}*/ { "nop", 0x08000240, 0xffffffff, ""}, /* or 0,0,0 */ { "copy", 0x08000240, 0xffe0ffe0, "x,t"}, /* or r,0,t */ { "mtsar", 0x01601840, 0xffe0ffff, "x"}, /* mtctl r,cr11 */ /* Loads and Stores for integer registers. */ { "ldw", 0x48000000, 0xfc000000, "j(s,b),x"}, { "ldw", 0x48000000, 0xfc000000, "j(b),x"}, { "ldh", 0x44000000, 0xfc000000, "j(s,b),x"}, { "ldh", 0x44000000, 0xfc000000, "j(b),x"}, { "ldb", 0x40000000, 0xfc000000, "j(s,b),x"}, { "ldb", 0x40000000, 0xfc000000, "j(b),x"}, { "stw", 0x68000000, 0xfc000000, "x,j(s,b)"}, { "stw", 0x68000000, 0xfc000000, "x,j(b)"}, { "sth", 0x64000000, 0xfc000000, "x,j(s,b)"}, { "sth", 0x64000000, 0xfc000000, "x,j(b)"}, { "stb", 0x60000000, 0xfc000000, "x,j(s,b)"}, { "stb", 0x60000000, 0xfc000000, "x,j(b)"}, { "ldwm", 0x4c000000, 0xfc000000, "j(s,b),x"}, { "ldwm", 0x4c000000, 0xfc000000, "j(b),x"}, { "stwm", 0x6c000000, 0xfc000000, "x,j(s,b)"}, { "stwm", 0x6c000000, 0xfc000000, "x,j(b)"}, { "ldwx", 0x0c000080, 0xfc001fc0, "cx(s,b),t"}, { "ldwx", 0x0c000080, 0xfc001fc0, "cx(b),t"}, { "ldhx", 0x0c000040, 0xfc001fc0, "cx(s,b),t"}, { "ldhx", 0x0c000040, 0xfc001fc0, "cx(b),t"}, { "ldbx", 0x0c000000, 0xfc001fc0, "cx(s,b),t"}, { "ldbx", 0x0c000000, 0xfc001fc0, "cx(b),t"}, { "ldwax", 0x0c000180, 0xfc00dfc0, "cx(b),t"}, { "ldcwx", 0x0c0001c0, 0xfc001fc0, "cx(s,b),t"}, { "ldcwx", 0x0c0001c0, 0xfc001fc0, "cx(b),t"}, { "ldws", 0x0c001080, 0xfc001fc0, "C5(s,b),t"}, { "ldws", 0x0c001080, 0xfc001fc0, "C5(b),t"}, { "ldhs", 0x0c001040, 0xfc001fc0, "C5(s,b),t"}, { "ldhs", 0x0c001040, 0xfc001fc0, "C5(b),t"}, { "ldbs", 0x0c001000, 0xfc001fc0, "C5(s,b),t"}, { "ldbs", 0x0c001000, 0xfc001fc0, "C5(b),t"}, { "ldwas", 0x0c001180, 0xfc00dfc0, "C5(b),t"}, { "ldcws", 0x0c0011c0, 0xfc001fc0, "C5(s,b),t"}, { "ldcws", 0x0c0011c0, 0xfc001fc0, "C5(b),t"}, { "stws", 0x0c001280, 0xfc001fc0, "Cx,V(s,b)"}, { "stws", 0x0c001280, 0xfc001fc0, "Cx,V(b)"}, { "sths", 0x0c001240, 0xfc001fc0, "Cx,V(s,b)"}, { "sths", 0x0c001240, 0xfc001fc0, "Cx,V(b)"}, { "stbs", 0x0c001200, 0xfc001fc0, "Cx,V(s,b)"}, { "stbs", 0x0c001200, 0xfc001fc0, "Cx,V(b)"}, { "stwas", 0x0c001380, 0xfc00dfc0, "Cx,V(b)"}, { "stbys", 0x0c001300, 0xfc001fc0, "Yx,V(s,b)"}, { "stbys", 0x0c001300, 0xfc001fc0, "Yx,V(b)"}, /* Immediate instructions. */ { "ldo", 0x34000000, 0xfc00c000, "j(b),x"}, { "ldil", 0x20000000, 0xfc000000, "k,b"}, { "addil", 0x28000000, 0xfc000000, "k,b"}, /* Branching instructions. */ { "bl", 0xe8000000, 0xfc00e000, "nW,b", NORMAL}, { "gate", 0xe8002000, 0xfc00e000, "nW,b", NORMAL}, { "blr", 0xe8004000, 0xfc00e001, "nx,b", NORMAL}, { "bv", 0xe800c000, 0xfc00e001, "nx(b)", NORMAL}, { "bv", 0xe800c000, 0xfc00e001, "n(b)", NORMAL}, { "be", 0xe0000000, 0xfc000000, "nz(S,b)", NORMAL}, { "ble", 0xe4000000, 0xfc000000, "nz(S,b)", NORMAL}, { "movb", 0xc8000000, 0xfc000000, "|nx,b,w", CONDITIONAL}, { "movib", 0xcc000000, 0xfc000000, "|n5,b,w", CONDITIONAL}, { "combt", 0x80000000, 0xfc000000, "x,b,t", CONDITIONAL}, { "shd", 0xd0000800, 0xfc001c00, ">x,b,p,t", CONDITIONAL}, { "vextru", 0xd0001000, 0xfc001fe0, ">b,T,x", CONDITIONAL}, { "vextrs", 0xd0001400, 0xfc001fe0, ">b,T,x", CONDITIONAL}, { "extru", 0xd0001800, 0xfc001c00, ">b,P,T,x", CONDITIONAL}, { "extrs", 0xd0001c00, 0xfc001c00, ">b,P,T,x", CONDITIONAL}, { "zvdep", 0xd4000000, 0xfc001fe0, ">x,T,b", CONDITIONAL}, { "vdep", 0xd4000400, 0xfc001fe0, ">x,T,b", CONDITIONAL}, { "zdep", 0xd4000800, 0xfc001c00, ">x,p,T,b", CONDITIONAL}, { "dep", 0xd4000c00, 0xfc001c00, ">x,p,T,b", CONDITIONAL}, { "zvdepi", 0xd4001000, 0xfc001fe0, ">5,T,b", CONDITIONAL}, { "vdepi", 0xd4001400, 0xfc001fe0, ">5,T,b", CONDITIONAL}, { "zdepi", 0xd4001800, 0xfc001c00, ">5,p,T,b", CONDITIONAL}, { "depi", 0xd4001c00, 0xfc001c00, ">5,p,T,b", CONDITIONAL}, /* System Control Instructions */ { "break", 0x00000000, 0xfc001fe0, "r,A"}, { "rfi", 0x00000c00, 0xffffffff, ""}, { "rfir", 0x00000ca0, 0xffffffff, ""}, { "ssm", 0x00000d60, 0xffe0ffe0, "R,t"}, { "rsm", 0x00000e60, 0xffe0ffe0, "R,t"}, { "mtsm", 0x00001860, 0xffe0ffff, "x"}, { "ldsid", 0x000010a0, 0xfc1f3fe0, "(s,b),t"}, { "ldsid", 0x000010a0, 0xfc1f3fe0, "(b),t"}, { "mtsp", 0x00001820, 0xffe01fff, "x,S"}, { "mtctl", 0x00001840, 0xfc00ffff, "x,^"}, { "mfsp", 0x000004a0, 0xffff1fe0, "S,t"}, { "mfctl", 0x000008a0, 0xfc1fffe0, "^,t"}, { "sync", 0x00000400, 0xffffffff, ""}, { "prober", 0x04001180, 0xfc003fe0, "(s,b),x,t"}, { "prober", 0x04001180, 0xfc003fe0, "(b),x,t"}, { "proberi", 0x04003180, 0xfc003fe0, "(s,b),R,t"}, { "proberi", 0x04003180, 0xfc003fe0, "(b),R,t"}, { "probew", 0x040011c0, 0xfc003fe0, "(s,b),x,t"}, { "probew", 0x040011c0, 0xfc003fe0, "(b),x,t"}, { "probewi", 0x040031c0, 0xfc003fe0, "(s,b),R,t"}, { "probewi", 0x040031c0, 0xfc003fe0, "(b),R,t"}, { "lpa", 0x04001340, 0xfc003fc0, "Zx(s,b),t"}, { "lpa", 0x04001340, 0xfc003fc0, "Zx(b),t"}, { "lha", 0x04001300, 0xfc003fc0, "Zx(s,b),t"}, { "lha", 0x04001300, 0xfc003fc0, "Zx(b),t"}, { "pdtlb", 0x04001200, 0xfc003fdf, "Zx(s,b)"}, { "pdtlb", 0x04001200, 0xfc003fdf, "Zx(b)"}, { "pitlb", 0x04000200, 0xfc003fdf, "Zx(s,b)"}, { "pitlb", 0x04000200, 0xfc003fdf, "Zx(b)"}, { "pdtlbe", 0x04001240, 0xfc003fdf, "Zx(s,b)"}, { "pdtlbe", 0x04001240, 0xfc003fdf, "Zx(b)"}, { "pitlbe", 0x04000240, 0xfc003fdf, "Zx(s,b)"}, { "pitlbe", 0x04000240, 0xfc003fdf, "Zx(b)"}, { "idtlba", 0x04001040, 0xfc003fff, "x,(s,b)"}, { "idtlba", 0x04001040, 0xfc003fff, "x,(b)"}, { "iitlba", 0x04000040, 0xfc003fff, "x,(s,b)"}, { "iitlba", 0x04000040, 0xfc003fff, "x,(b)"}, { "idtlbp", 0x04001000, 0xfc003fff, "x,(s,b)"}, { "idtlbp", 0x04001000, 0xfc003fff, "x,(b)"}, { "iitlbp", 0x04000000, 0xfc003fff, "x,(s,b)"}, { "iitlbp", 0x04000000, 0xfc003fff, "x,(b)"}, { "pdc", 0x04001380, 0xfc003fdf, "Zx(s,b)"}, { "pdc", 0x04001380, 0xfc003fdf, "Zx(b)"}, { "fdc", 0x04001280, 0xfc003fdf, "Zx(s,b)"}, { "fdc", 0x04001280, 0xfc003fdf, "Zx(b)"}, { "fic", 0x04000280, 0xfc003fdf, "Zx(s,b)"}, { "fic", 0x04000280, 0xfc003fdf, "Zx(b)"}, { "fdce", 0x040012c0, 0xfc003fdf, "Zx(s,b)"}, { "fdce", 0x040012c0, 0xfc003fdf, "Zx(b)"}, { "fice", 0x040002c0, 0xfc003fdf, "Zx(s,b)"}, { "fice", 0x040002c0, 0xfc003fdf, "Zx(b)"}, { "diag", 0x14000000, 0xfc000000, "D"}, /* gfw and gfr are not in the HP PA 1.1 manual, but they are in either the Timex FPU or the Mustang ERS (not sure which) manual. */ { "gfw", 0x04001680, 0xfc003fdf, "Zx(s,b)"}, { "gfw", 0x04001680, 0xfc003fdf, "Zx(b)"}, { "gfr", 0x04001a80, 0xfc003fdf, "Zx(s,b)"}, { "gfr", 0x04001a80, 0xfc003fdf, "Zx(b)"}, /* Floating Point Coprocessor Instructions */ { "fldwx", 0x24000000, 0xfc001f80, "cx(s,b),v"}, { "fldwx", 0x24000000, 0xfc001f80, "cx(b),v"}, { "flddx", 0x2c000000, 0xfc001fc0, "cx(s,b),y"}, { "flddx", 0x2c000000, 0xfc001fc0, "cx(b),y"}, { "fstwx", 0x24000200, 0xfc001fc0, "cv,x(s,b)"}, { "fstwx", 0x24000200, 0xfc001fc0, "cv,x(b)"}, { "fstdx", 0x2c000200, 0xfc001fc0, "cy,x(s,b)"}, { "fstdx", 0x2c000200, 0xfc001fc0, "cy,x(b)"}, { "fstqx", 0x3c000200, 0xfc001fc0, "cy,x(s,b)"}, { "fstqx", 0x3c000200, 0xfc001fc0, "cy,x(b)"}, { "fldws", 0x24001000, 0xfc001f80, "C5(s,b),v"}, { "fldws", 0x24001000, 0xfc001f80, "C5(b),v"}, { "fldds", 0x2c001000, 0xfc001fc0, "C5(s,b),y"}, { "fldds", 0x2c001000, 0xfc001fc0, "C5(b),y"}, { "fstws", 0x24001200, 0xfc001f80, "Cv,5(s,b)"}, { "fstws", 0x24001200, 0xfc001f80, "Cy,5(b)"}, { "fstds", 0x2c001200, 0xfc001fc0, "Cy,5(s,b)"}, { "fstds", 0x2c001200, 0xfc001fc0, "Cy,5(b)"}, { "fstqs", 0x3c001200, 0xfc001fc0, "Cy,5(s,b)"}, { "fstqs", 0x3c001200, 0xfc001fc0, "Cy,5(b)"}, { "fadd", 0x30000600, 0xfc00e7e0, "FE,X,v"}, { "fadd", 0x38000600, 0xfc00e720, "IJ,K,v"}, { "fsub", 0x30002600, 0xfc00e7e0, "FE,X,v"}, { "fsub", 0x38002600, 0xfc00e720, "IJ,K,v"}, { "fmpy", 0x30004600, 0xfc00e7e0, "FE,X,v"}, { "fmpy", 0x38004600, 0xfc00e720, "IJ,K,v"}, { "fdiv", 0x30006600, 0xfc00e7e0, "FE,X,v"}, { "fdiv", 0x38006600, 0xfc00e720, "IJ,K,v"}, { "fsqrt", 0x30008000, 0xfc1fe7e0, "FE,v"}, { "fsqrt", 0x38008000, 0xfc1fe720, "FJ,v"}, { "fabs", 0x30006000, 0xfc1fe7e0, "FE,v"}, { "fabs", 0x38006000, 0xfc1fe720, "FJ,v"}, { "frem", 0x30008600, 0xfc00e7e0, "FE,X,v"}, { "frem", 0x38008600, 0xfc00e720, "FJ,K,v"}, { "frnd", 0x3000a000, 0xfc1fe7e0, "FE,v"}, { "frnd", 0x3800a000, 0xfc1fe720, "FJ,v"}, { "fcpy", 0x30004000, 0xfc1fe7e0, "FE,v"}, { "fcpy", 0x38004000, 0xfc1fe720, "FJ,v"}, { "fcnvff", 0x30000200, 0xfc1f87e0, "FGE,v"}, { "fcnvff", 0x38000200, 0xfc1f8720, "FGJ,v"}, { "fcnvxf", 0x30008200, 0xfc1f87e0, "FGE,v"}, { "fcnvxf", 0x38008200, 0xfc1f8720, "FGJ,v"}, { "fcnvfx", 0x30010200, 0xfc1f87e0, "FGE,v"}, { "fcnvfx", 0x38010200, 0xfc1f8720, "FGJ,v"}, { "fcnvfxt", 0x30018200, 0xfc1f87e0, "FGE,v"}, { "fcnvfxt", 0x38018200, 0xfc1f8720, "FGJ,v"}, { "fcmp", 0x30000400, 0xfc00e7e0, "FME,X"}, { "fcmp", 0x38000400, 0xfc00e720, "IMJ,K"}, { "xmpyu", 0x38004700, 0xfc00e720, "FE,X,v"}, { "fmpyadd", 0x18000000, 0xfc000000, "H4,6,7,9,8"}, { "fmpysub", 0x98000000, 0xfc000000, "H4,6,7,9,8"}, { "ftest", 0x30002420, 0xffffffff, ""}, /* Assist Instructions */ { "spop0", 0x10000000, 0xfc000600, "f,ON", NORMAL}, { "spop1", 0x10000200, 0xfc000600, "f,oNt", NORMAL}, { "spop2", 0x10000400, 0xfc000600, "f,1Nb", NORMAL}, { "spop3", 0x10000600, 0xfc000600, "f,0Nx,b", NORMAL}, { "copr", 0x30000000, 0xfc000000, "u,2N", NORMAL}, { "cldwx", 0x24000000, 0xfc001e00, "ucx(s,b),t"}, { "cldwx", 0x24000000, 0xfc001e00, "ucx(b),t"}, { "clddx", 0x2c000000, 0xfc001e00, "ucx(s,b),t"}, { "clddx", 0x2c000000, 0xfc001e00, "ucx(b),t"}, { "cstwx", 0x24000200, 0xfc001e00, "uct,x(s,b)"}, { "cstwx", 0x24000200, 0xfc001e00, "uct,x(b)"}, { "cstdx", 0x2c000200, 0xfc001e00, "uct,x(s,b)"}, { "cstdx", 0x2c000200, 0xfc001e00, "uct,x(b)"}, { "cldws", 0x24001000, 0xfc001e00, "uC5(s,b),t"}, { "cldws", 0x24001000, 0xfc001e00, "uC5(b),t"}, { "cldds", 0x2c001000, 0xfc001e00, "uC5(s,b),t"}, { "cldds", 0x2c001000, 0xfc001e00, "uC5(b),t"}, { "cstws", 0x24001200, 0xfc001e00, "uCt,5(s,b)"}, { "cstws", 0x24001200, 0xfc001e00, "uCt,5(b)"}, { "cstds", 0x2c001200, 0xfc001e00, "uCt,5(s,b)"}, { "cstds", 0x2c001200, 0xfc001e00, "uCt,5(b)"}, }; #define NUMOPCODES ((sizeof pa_opcodes)/(sizeof pa_opcodes[0])) /* SKV 12/18/92. Added some denotations for various operands. */ #define PA_IMM11_AT_31 'i' #define PA_IMM14_AT_31 'j' #define PA_IMM21_AT_31 'k' #define PA_DISP12 'w' #define PA_DISP17 'W' #define N_HPPA_OPERAND_FORMATS 5