xtensa-isa-internal.h [plain text]
#ifndef XTENSA_ISA_INTERNAL_H
#define XTENSA_ISA_INTERNAL_H
#define XTENSA_OPERAND_IS_REGISTER 0x00000001
#define XTENSA_OPERAND_IS_PCRELATIVE 0x00000002
#define XTENSA_OPERAND_IS_INVISIBLE 0x00000004
#define XTENSA_OPERAND_IS_UNKNOWN 0x00000008
#define XTENSA_OPCODE_IS_BRANCH 0x00000001
#define XTENSA_OPCODE_IS_JUMP 0x00000002
#define XTENSA_OPCODE_IS_LOOP 0x00000004
#define XTENSA_OPCODE_IS_CALL 0x00000008
#define XTENSA_STATE_IS_EXPORTED 0x00000001
#define XTENSA_INTERFACE_HAS_SIDE_EFFECT 0x00000001
typedef void (*xtensa_format_encode_fn) (xtensa_insnbuf);
typedef void (*xtensa_get_slot_fn) (const xtensa_insnbuf, xtensa_insnbuf);
typedef void (*xtensa_set_slot_fn) (xtensa_insnbuf, const xtensa_insnbuf);
typedef int (*xtensa_opcode_decode_fn) (const xtensa_insnbuf);
typedef uint32 (*xtensa_get_field_fn) (const xtensa_insnbuf);
typedef void (*xtensa_set_field_fn) (xtensa_insnbuf, uint32);
typedef int (*xtensa_immed_decode_fn) (uint32 *);
typedef int (*xtensa_immed_encode_fn) (uint32 *);
typedef int (*xtensa_do_reloc_fn) (uint32 *, uint32);
typedef int (*xtensa_undo_reloc_fn) (uint32 *, uint32);
typedef void (*xtensa_opcode_encode_fn) (xtensa_insnbuf);
typedef int (*xtensa_format_decode_fn) (const xtensa_insnbuf);
typedef int (*xtensa_length_decode_fn) (const unsigned char *);
typedef struct xtensa_format_internal_struct
{
const char *name;
int length;
xtensa_format_encode_fn encode_fn;
int num_slots;
int *slot_id;
} xtensa_format_internal;
typedef struct xtensa_slot_internal_struct
{
const char *name;
const char *format;
int position;
xtensa_get_slot_fn get_fn;
xtensa_set_slot_fn set_fn;
xtensa_get_field_fn *get_field_fns;
xtensa_set_field_fn *set_field_fns;
xtensa_opcode_decode_fn opcode_decode_fn;
const char *nop_name;
} xtensa_slot_internal;
typedef struct xtensa_operand_internal_struct
{
const char *name;
int field_id;
xtensa_regfile regfile;
int num_regs;
uint32 flags;
xtensa_immed_encode_fn encode;
xtensa_immed_decode_fn decode;
xtensa_do_reloc_fn do_reloc;
xtensa_undo_reloc_fn undo_reloc;
} xtensa_operand_internal;
typedef struct xtensa_arg_internal_struct
{
union {
int operand_id;
xtensa_state state;
} u;
char inout;
} xtensa_arg_internal;
typedef struct xtensa_iclass_internal_struct
{
int num_operands;
xtensa_arg_internal *operands;
int num_stateOperands;
xtensa_arg_internal *stateOperands;
int num_interfaceOperands;
xtensa_interface *interfaceOperands;
} xtensa_iclass_internal;
typedef struct xtensa_opcode_internal_struct
{
const char *name;
int iclass_id;
uint32 flags;
xtensa_opcode_encode_fn *encode_fns;
int num_funcUnit_uses;
xtensa_funcUnit_use *funcUnit_uses;
} xtensa_opcode_internal;
typedef struct xtensa_regfile_internal_struct
{
const char *name;
const char *shortname;
xtensa_regfile parent;
int num_bits;
int num_entries;
} xtensa_regfile_internal;
typedef struct xtensa_interface_internal_struct
{
const char *name;
int num_bits;
uint32 flags;
int class_id;
char inout;
} xtensa_interface_internal;
typedef struct xtensa_funcUnit_internal_struct
{
const char *name;
int num_copies;
} xtensa_funcUnit_internal;
typedef struct xtensa_state_internal_struct
{
const char *name;
int num_bits;
uint32 flags;
} xtensa_state_internal;
typedef struct xtensa_sysreg_internal_struct
{
const char *name;
int number;
int is_user;
} xtensa_sysreg_internal;
typedef struct xtensa_lookup_entry_struct
{
const char *key;
union
{
xtensa_opcode opcode;
xtensa_sysreg sysreg;
xtensa_state state;
xtensa_interface intf;
xtensa_funcUnit fun;
} u;
} xtensa_lookup_entry;
typedef struct xtensa_isa_internal_struct
{
int is_big_endian;
int insn_size;
int insnbuf_size;
int num_formats;
xtensa_format_internal *formats;
xtensa_format_decode_fn format_decode_fn;
xtensa_length_decode_fn length_decode_fn;
int num_slots;
xtensa_slot_internal *slots;
int num_fields;
int num_operands;
xtensa_operand_internal *operands;
int num_iclasses;
xtensa_iclass_internal *iclasses;
int num_opcodes;
xtensa_opcode_internal *opcodes;
xtensa_lookup_entry *opname_lookup_table;
int num_regfiles;
xtensa_regfile_internal *regfiles;
int num_states;
xtensa_state_internal *states;
xtensa_lookup_entry *state_lookup_table;
int num_sysregs;
xtensa_sysreg_internal *sysregs;
xtensa_lookup_entry *sysreg_lookup_table;
int max_sysreg_num[2];
xtensa_sysreg *sysreg_table[2];
int num_interfaces;
xtensa_interface_internal *interfaces;
xtensa_lookup_entry *interface_lookup_table;
int num_funcUnits;
xtensa_funcUnit_internal *funcUnits;
xtensa_lookup_entry *funcUnit_lookup_table;
} xtensa_isa_internal;
extern int xtensa_isa_name_compare (const void *, const void *);
extern xtensa_isa_status xtisa_errno;
extern char xtisa_error_msg[];
#endif