mirror of
https://github.com/torvalds/linux.git
synced 2024-11-23 12:42:02 +00:00
897f112bb4
This includes: * version 1.24 of ppc-dis.c * version 1.88 of ppc-opc.c * version 1.23 of ppc.h I can't vouch for the accuracy etc. of these changes, but it brings us into line with binutils - and from a cursory test appears to work fine. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
323 lines
12 KiB
C
323 lines
12 KiB
C
/* ppc.h -- Header file for PowerPC opcode table
|
||
Copyright 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
|
||
Free Software Foundation, Inc.
|
||
Written by Ian Lance Taylor, Cygnus Support
|
||
|
||
This file is part of GDB, GAS, and the GNU binutils.
|
||
|
||
GDB, GAS, and the GNU binutils are free software; you can redistribute
|
||
them and/or modify them 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.
|
||
|
||
GDB, GAS, and the GNU binutils are distributed in the hope that they
|
||
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 file; see the file COPYING. If not, write to the Free
|
||
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
|
||
|
||
#ifndef PPC_H
|
||
#define PPC_H
|
||
|
||
/* The opcode table is an array of struct powerpc_opcode. */
|
||
|
||
struct powerpc_opcode
|
||
{
|
||
/* The opcode name. */
|
||
const char *name;
|
||
|
||
/* The opcode itself. Those bits which will be filled in with
|
||
operands are zeroes. */
|
||
unsigned long opcode;
|
||
|
||
/* The opcode mask. This is used by the disassembler. This is a
|
||
mask containing ones indicating those bits which must match the
|
||
opcode field, and zeroes indicating those bits which need not
|
||
match (and are presumably filled in by operands). */
|
||
unsigned long mask;
|
||
|
||
/* One bit flags for the opcode. These are used to indicate which
|
||
specific processors support the instructions. The defined values
|
||
are listed below. */
|
||
unsigned long flags;
|
||
|
||
/* An array of operand codes. Each code is an index into the
|
||
operand table. They appear in the order which the operands must
|
||
appear in assembly code, and are terminated by a zero. */
|
||
unsigned char operands[8];
|
||
};
|
||
|
||
/* The table itself is sorted by major opcode number, and is otherwise
|
||
in the order in which the disassembler should consider
|
||
instructions. */
|
||
extern const struct powerpc_opcode powerpc_opcodes[];
|
||
extern const int powerpc_num_opcodes;
|
||
|
||
/* Values defined for the flags field of a struct powerpc_opcode. */
|
||
|
||
/* Opcode is defined for the PowerPC architecture. */
|
||
#define PPC_OPCODE_PPC 1
|
||
|
||
/* Opcode is defined for the POWER (RS/6000) architecture. */
|
||
#define PPC_OPCODE_POWER 2
|
||
|
||
/* Opcode is defined for the POWER2 (Rios 2) architecture. */
|
||
#define PPC_OPCODE_POWER2 4
|
||
|
||
/* Opcode is only defined on 32 bit architectures. */
|
||
#define PPC_OPCODE_32 8
|
||
|
||
/* Opcode is only defined on 64 bit architectures. */
|
||
#define PPC_OPCODE_64 0x10
|
||
|
||
/* Opcode is supported by the Motorola PowerPC 601 processor. The 601
|
||
is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions,
|
||
but it also supports many additional POWER instructions. */
|
||
#define PPC_OPCODE_601 0x20
|
||
|
||
/* Opcode is supported in both the Power and PowerPC architectures
|
||
(ie, compiler's -mcpu=common or assembler's -mcom). */
|
||
#define PPC_OPCODE_COMMON 0x40
|
||
|
||
/* Opcode is supported for any Power or PowerPC platform (this is
|
||
for the assembler's -many option, and it eliminates duplicates). */
|
||
#define PPC_OPCODE_ANY 0x80
|
||
|
||
/* Opcode is supported as part of the 64-bit bridge. */
|
||
#define PPC_OPCODE_64_BRIDGE 0x100
|
||
|
||
/* Opcode is supported by Altivec Vector Unit */
|
||
#define PPC_OPCODE_ALTIVEC 0x200
|
||
|
||
/* Opcode is supported by PowerPC 403 processor. */
|
||
#define PPC_OPCODE_403 0x400
|
||
|
||
/* Opcode is supported by PowerPC BookE processor. */
|
||
#define PPC_OPCODE_BOOKE 0x800
|
||
|
||
/* Opcode is only supported by 64-bit PowerPC BookE processor. */
|
||
#define PPC_OPCODE_BOOKE64 0x1000
|
||
|
||
/* Opcode is supported by PowerPC 440 processor. */
|
||
#define PPC_OPCODE_440 0x2000
|
||
|
||
/* Opcode is only supported by Power4 architecture. */
|
||
#define PPC_OPCODE_POWER4 0x4000
|
||
|
||
/* Opcode isn't supported by Power4 architecture. */
|
||
#define PPC_OPCODE_NOPOWER4 0x8000
|
||
|
||
/* Opcode is only supported by POWERPC Classic architecture. */
|
||
#define PPC_OPCODE_CLASSIC 0x10000
|
||
|
||
/* Opcode is only supported by e500x2 Core. */
|
||
#define PPC_OPCODE_SPE 0x20000
|
||
|
||
/* Opcode is supported by e500x2 Integer select APU. */
|
||
#define PPC_OPCODE_ISEL 0x40000
|
||
|
||
/* Opcode is an e500 SPE floating point instruction. */
|
||
#define PPC_OPCODE_EFS 0x80000
|
||
|
||
/* Opcode is supported by branch locking APU. */
|
||
#define PPC_OPCODE_BRLOCK 0x100000
|
||
|
||
/* Opcode is supported by performance monitor APU. */
|
||
#define PPC_OPCODE_PMR 0x200000
|
||
|
||
/* Opcode is supported by cache locking APU. */
|
||
#define PPC_OPCODE_CACHELCK 0x400000
|
||
|
||
/* Opcode is supported by machine check APU. */
|
||
#define PPC_OPCODE_RFMCI 0x800000
|
||
|
||
/* Opcode is only supported by Power5 architecture. */
|
||
#define PPC_OPCODE_POWER5 0x1000000
|
||
|
||
/* Opcode is supported by PowerPC e300 family. */
|
||
#define PPC_OPCODE_E300 0x2000000
|
||
|
||
/* Opcode is only supported by Power6 architecture. */
|
||
#define PPC_OPCODE_POWER6 0x4000000
|
||
|
||
/* Opcode is only supported by PowerPC Cell family. */
|
||
#define PPC_OPCODE_CELL 0x8000000
|
||
|
||
/* A macro to extract the major opcode from an instruction. */
|
||
#define PPC_OP(i) (((i) >> 26) & 0x3f)
|
||
|
||
/* The operands table is an array of struct powerpc_operand. */
|
||
|
||
struct powerpc_operand
|
||
{
|
||
/* The number of bits in the operand. */
|
||
int bits;
|
||
|
||
/* How far the operand is left shifted in the instruction. */
|
||
int shift;
|
||
|
||
/* Insertion function. This is used by the assembler. To insert an
|
||
operand value into an instruction, check this field.
|
||
|
||
If it is NULL, execute
|
||
i |= (op & ((1 << o->bits) - 1)) << o->shift;
|
||
(i is the instruction which we are filling in, o is a pointer to
|
||
this structure, and op is the opcode value; this assumes twos
|
||
complement arithmetic).
|
||
|
||
If this field is not NULL, then simply call it with the
|
||
instruction and the operand value. It will return the new value
|
||
of the instruction. If the ERRMSG argument is not NULL, then if
|
||
the operand value is illegal, *ERRMSG will be set to a warning
|
||
string (the operand will be inserted in any case). If the
|
||
operand value is legal, *ERRMSG will be unchanged (most operands
|
||
can accept any value). */
|
||
unsigned long (*insert)
|
||
(unsigned long instruction, long op, int dialect, const char **errmsg);
|
||
|
||
/* Extraction function. This is used by the disassembler. To
|
||
extract this operand type from an instruction, check this field.
|
||
|
||
If it is NULL, compute
|
||
op = ((i) >> o->shift) & ((1 << o->bits) - 1);
|
||
if ((o->flags & PPC_OPERAND_SIGNED) != 0
|
||
&& (op & (1 << (o->bits - 1))) != 0)
|
||
op -= 1 << o->bits;
|
||
(i is the instruction, o is a pointer to this structure, and op
|
||
is the result; this assumes twos complement arithmetic).
|
||
|
||
If this field is not NULL, then simply call it with the
|
||
instruction value. It will return the value of the operand. If
|
||
the INVALID argument is not NULL, *INVALID will be set to
|
||
non-zero if this operand type can not actually be extracted from
|
||
this operand (i.e., the instruction does not match). If the
|
||
operand is valid, *INVALID will not be changed. */
|
||
long (*extract) (unsigned long instruction, int dialect, int *invalid);
|
||
|
||
/* One bit syntax flags. */
|
||
unsigned long flags;
|
||
};
|
||
|
||
/* Elements in the table are retrieved by indexing with values from
|
||
the operands field of the powerpc_opcodes table. */
|
||
|
||
extern const struct powerpc_operand powerpc_operands[];
|
||
|
||
/* Values defined for the flags field of a struct powerpc_operand. */
|
||
|
||
/* This operand takes signed values. */
|
||
#define PPC_OPERAND_SIGNED (01)
|
||
|
||
/* This operand takes signed values, but also accepts a full positive
|
||
range of values when running in 32 bit mode. That is, if bits is
|
||
16, it takes any value from -0x8000 to 0xffff. In 64 bit mode,
|
||
this flag is ignored. */
|
||
#define PPC_OPERAND_SIGNOPT (02)
|
||
|
||
/* This operand does not actually exist in the assembler input. This
|
||
is used to support extended mnemonics such as mr, for which two
|
||
operands fields are identical. The assembler should call the
|
||
insert function with any op value. The disassembler should call
|
||
the extract function, ignore the return value, and check the value
|
||
placed in the valid argument. */
|
||
#define PPC_OPERAND_FAKE (04)
|
||
|
||
/* The next operand should be wrapped in parentheses rather than
|
||
separated from this one by a comma. This is used for the load and
|
||
store instructions which want their operands to look like
|
||
reg,displacement(reg)
|
||
*/
|
||
#define PPC_OPERAND_PARENS (010)
|
||
|
||
/* This operand may use the symbolic names for the CR fields, which
|
||
are
|
||
lt 0 gt 1 eq 2 so 3 un 3
|
||
cr0 0 cr1 1 cr2 2 cr3 3
|
||
cr4 4 cr5 5 cr6 6 cr7 7
|
||
These may be combined arithmetically, as in cr2*4+gt. These are
|
||
only supported on the PowerPC, not the POWER. */
|
||
#define PPC_OPERAND_CR (020)
|
||
|
||
/* This operand names a register. The disassembler uses this to print
|
||
register names with a leading 'r'. */
|
||
#define PPC_OPERAND_GPR (040)
|
||
|
||
/* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0. */
|
||
#define PPC_OPERAND_GPR_0 (0100)
|
||
|
||
/* This operand names a floating point register. The disassembler
|
||
prints these with a leading 'f'. */
|
||
#define PPC_OPERAND_FPR (0200)
|
||
|
||
/* This operand is a relative branch displacement. The disassembler
|
||
prints these symbolically if possible. */
|
||
#define PPC_OPERAND_RELATIVE (0400)
|
||
|
||
/* This operand is an absolute branch address. The disassembler
|
||
prints these symbolically if possible. */
|
||
#define PPC_OPERAND_ABSOLUTE (01000)
|
||
|
||
/* This operand is optional, and is zero if omitted. This is used for
|
||
example, in the optional BF field in the comparison instructions. The
|
||
assembler must count the number of operands remaining on the line,
|
||
and the number of operands remaining for the opcode, and decide
|
||
whether this operand is present or not. The disassembler should
|
||
print this operand out only if it is not zero. */
|
||
#define PPC_OPERAND_OPTIONAL (02000)
|
||
|
||
/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
|
||
is omitted, then for the next operand use this operand value plus
|
||
1, ignoring the next operand field for the opcode. This wretched
|
||
hack is needed because the Power rotate instructions can take
|
||
either 4 or 5 operands. The disassembler should print this operand
|
||
out regardless of the PPC_OPERAND_OPTIONAL field. */
|
||
#define PPC_OPERAND_NEXT (04000)
|
||
|
||
/* This operand should be regarded as a negative number for the
|
||
purposes of overflow checking (i.e., the normal most negative
|
||
number is disallowed and one more than the normal most positive
|
||
number is allowed). This flag will only be set for a signed
|
||
operand. */
|
||
#define PPC_OPERAND_NEGATIVE (010000)
|
||
|
||
/* This operand names a vector unit register. The disassembler
|
||
prints these with a leading 'v'. */
|
||
#define PPC_OPERAND_VR (020000)
|
||
|
||
/* This operand is for the DS field in a DS form instruction. */
|
||
#define PPC_OPERAND_DS (040000)
|
||
|
||
/* This operand is for the DQ field in a DQ form instruction. */
|
||
#define PPC_OPERAND_DQ (0100000)
|
||
|
||
/* The POWER and PowerPC assemblers use a few macros. We keep them
|
||
with the operands table for simplicity. The macro table is an
|
||
array of struct powerpc_macro. */
|
||
|
||
struct powerpc_macro
|
||
{
|
||
/* The macro name. */
|
||
const char *name;
|
||
|
||
/* The number of operands the macro takes. */
|
||
unsigned int operands;
|
||
|
||
/* One bit flags for the opcode. These are used to indicate which
|
||
specific processors support the instructions. The values are the
|
||
same as those for the struct powerpc_opcode flags field. */
|
||
unsigned long flags;
|
||
|
||
/* A format string to turn the macro into a normal instruction.
|
||
Each %N in the string is replaced with operand number N (zero
|
||
based). */
|
||
const char *format;
|
||
};
|
||
|
||
extern const struct powerpc_macro powerpc_macros[];
|
||
extern const int powerpc_num_macros;
|
||
|
||
#endif /* PPC_H */
|