@ -1,5 +1,5 @@
/* cris.h -- Header file for CRIS opcode and register tables.
Copyright ( C ) 2000 , 2001 Free Software Foundation , Inc .
Copyright ( C ) 2000 , 2001 , 2002 Free Software Foundation , Inc .
Contributed by Axis Communications AB , Lund , Sweden .
Originally written for GAS 1.38 .1 by Mikael Asker .
Updated , BFDized and GNUified by Hans - Peter Nilsson .
@ -38,15 +38,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
immediate operands . */
enum cris_insn_version_usage
{
/* Any version. */
/* Any version. */
cris_ver_version_all = 0 ,
/* Indeterminate (intended for disassembly only, or obsolete). */
cris_ver_warning ,
/* Simulator only (reserved). */
cris_ver_sim ,
/* Only for v0..3 (Etrax 1..4). */
cris_ver_v0_3 ,
@ -59,10 +56,28 @@ enum cris_insn_version_usage
/* Only for v8 or higher (ETRAX 100, ETRAX 100 LX). */
cris_ver_v8p ,
/* Only for v10 or higher (ETRAX 100 LX).
Of course some or all these of may change to cris_ver_v10p if / when
/* Only for v0..10. FIXME: Not sure what to do with this. */
cris_ver_sim_v0_10 ,
/* Only for v0..10. */
cris_ver_v0_10 ,
/* Only for v3..10. (ETRAX 4, ETRAX 100 and ETRAX 100 LX). */
cris_ver_v3_10 ,
/* Only for v8..10 (ETRAX 100 and ETRAX 100 LX). */
cris_ver_v8_10 ,
/* Only for v10 (ETRAX 100 LX) and same series. */
cris_ver_v10 ,
/* Only for v10 (ETRAX 100 LX) and same series. */
cris_ver_v10p ,
/* Only for v32 or higher (codename GUINNESS).
Of course some or all these of may change to cris_ver_v32p if / when
there ' s a new revision . */
cris_ver_v10p
cris_ver_v32 p
} ;
@ -85,6 +100,25 @@ struct cris_spec_reg
} ;
extern const struct cris_spec_reg cris_spec_regs [ ] ;
/* Support registers (kind of special too, but not named as such). */
struct cris_support_reg
{
const char * const name ;
unsigned int number ;
} ;
extern const struct cris_support_reg cris_support_regs [ ] ;
struct cris_cond15
{
/* The name of the condition. */
const char * const name ;
/* What CPU version this condition name applies to. */
enum cris_insn_version_usage applicable_version ;
} ;
extern const struct cris_cond15 cris_conds15 [ ] ;
/* Opcode-dependent constants. */
# define AUTOINCR_BIT (0x04)
@ -163,9 +197,28 @@ extern const char *const cris_cc_strings[];
# define ADD_PC_INCR_OPCODE \
( 0xfa00 + ( 2 < < 4 ) + AUTOINCR_BIT * 0x0100 + REG_PC )
# define JUMP_PC_INCR_OPCODE_V32 (0x0DBF)
/* BA DWORD (V32). */
# define BA_DWORD_OPCODE (0x0EBF)
/* Nop. */
# define NOP_OPCODE (0x050F)
# define NOP_Z_BITS (0xFAF0)
# define NOP_Z_BITS (0xFFFF ^ NOP_OPCODE)
# define NOP_OPCODE_V32 (0x05B0)
# define NOP_Z_BITS_V32 (0xFFFF ^ NOP_OPCODE_V32)
/* For the compatibility mode, let's use "MOVE R0,P0". Doesn't affect
registers or flags . Unfortunately shuts off interrupts for one cycle
for < v32 , but there doesn ' t seem to be any alternative without that
effect . */
# define NOP_OPCODE_COMMON (0x630)
# define NOP_OPCODE_ZBITS_COMMON (0xffff & ~NOP_OPCODE_COMMON)
/* LAPC.D */
# define LAPC_DWORD_OPCODE (0x0D7F)
# define LAPC_DWORD_Z_BITS (0x0fff & ~LAPC_DWORD_OPCODE)
/* Structure of an opcode table entry. */
enum cris_imm_oprnd_size_type
@ -179,7 +232,13 @@ enum cris_imm_oprnd_size_type
/* Indicated by size of special register. */
SIZE_SPEC_REG ,
/* Indicated by size field. */
/* Indicated by size field, signed. */
SIZE_FIELD_SIGNED ,
/* Indicated by size field, unsigned. */
SIZE_FIELD_UNSIGNED ,
/* Indicated by size field, no sign implied. */
SIZE_FIELD
} ;