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* txvu.h (txvu_opcode): insert/extract/print take pointer to

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instruction rather than instruction itself.  Result of insert is
	`void'.  Add decls for dma, pke, gpuif support.
This commit is contained in:
Doug Evans
1998-01-27 00:21:03 +00:00
parent d8021475a1
commit 6e84cd36f3
2 changed files with 55 additions and 17 deletions
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8
include/opcode/ChangeLog
View File

@ -1,3 +1,11 @@
start-sanitize-sky
Mon Jan 26 16:19:01 1998 Doug Evans <devans@seba.cygnus.com>
* txvu.h (txvu_opcode): insert/extract/print take pointer to
instruction rather than instruction itself. Result of insert is
`void'. Add decls for dma, pke, gpuif support.
end-sanitize-sky
Thu Jan 22 17:54:56 1998 Nick Clifton <nickc@cygnus.com>
* cgen.h: Add prototypes for cgen_save_fixups(),

64
include/opcode/txvu.h
View File

@ -133,7 +133,7 @@ struct txvu_operand {
/* Parse function. This is used by the assembler.
If the operand cannot be parsed an error message is stored in ERRMSG,
otherwise NULL is stored. */
otherwise ERRMSG is unchanged. */
long (*parse) PARAMS ((char **str, const char **errmsg));
/* Insertion function. This is used by the assembler. To insert an
@ -146,17 +146,17 @@ struct txvu_operand {
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.
instruction and the operand value. It will overwrite the appropriate
bits of the instruction with the operand's value.
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.
REG is non-NULL when inserting a register value. */
TXVU_INSN (*insert) PARAMS ((TXVU_INSN insn,
const struct txvu_operand *operand, int mods,
long value, const char **errmsg));
void (*insert) PARAMS ((TXVU_INSN *insn,
const struct txvu_operand *operand, int mods,
long value, const char **errmsg));
/* Extraction function. This is used by the disassembler. To
extract this operand type from an instruction, check this field.
@ -181,17 +181,19 @@ struct txvu_operand {
FIXME: just thrown in here for now.
*/
long (*extract) PARAMS ((TXVU_INSN insn,
long (*extract) PARAMS ((TXVU_INSN *insn,
const struct txvu_operand *operand,
int mods, int *pinvalid));
/* Print function. This is used by the disassembler. */
void (*print) PARAMS ((disassemble_info *info, TXVU_INSN insn,
void (*print) PARAMS ((disassemble_info *info, TXVU_INSN *insn,
long value));
};
/* Given an operand entry, return the table index. */
#define TXVU_OPERAND_INDEX(op) ((op) - 128)
/* VU support. */
/* Positions, masks, and values of various fields used in multiple places
(the opcode table, the disassembler, GAS). */
@ -212,16 +214,11 @@ struct txvu_operand {
#define TXVU_SDEST_W 3
extern const struct txvu_operand txvu_operands[];
extern const int txvu_operand_count;
extern /*const*/ struct txvu_opcode txvu_upper_opcodes[];
extern /*const*/ struct txvu_opcode txvu_lower_opcodes[];
extern const int txvu_upper_opcodes_count;
extern const int txvu_lower_opcodes_count;
/* Utility fns in txvu-opc.c. */
void txvu_opcode_init_tables PARAMS ((int));
void txvu_opcode_init_parse PARAMS ((void));
void txvu_opcode_init_print PARAMS ((void));
const struct txvu_opcode *txvu_upper_opcode_lookup_asm PARAMS ((const char *));
const struct txvu_opcode *txvu_lower_opcode_lookup_asm PARAMS ((const char *));
const struct txvu_opcode *txvu_upper_opcode_lookup_dis PARAMS ((unsigned int));
@ -229,7 +226,7 @@ const struct txvu_opcode *txvu_lower_opcode_lookup_dis PARAMS ((unsigned int));
/* PKE support. */
/* PKE instruction flags.
/* PKE opcode flags.
The usage here is a bit wasteful of bits, but there's enough bits
and we can always make better usage later. */
@ -247,3 +244,36 @@ const struct txvu_opcode *txvu_lower_opcode_lookup_dis PARAMS ((unsigned int));
#define PKE_OPCODE_DIRECTHL 32
/* the unpack instruction */
#define PKE_OPCODE_UNPACK 64
extern const struct txvu_operand pke_operands[];
extern /*const*/ struct txvu_opcode pke_opcodes[];
extern const int pke_opcodes_count;
const struct txvu_opcode *pke_opcode_lookup_asm PARAMS ((const char *));
const struct txvu_opcode *pke_opcode_lookup_dis PARAMS ((unsigned int));
/* DMA support. */
/* DMA instruction flags. */
#define DMA_FLAG_PCE0 1
#define DMA_FLAG_PCE1 2
#define DMA_FLAG_INT 4
#define DMA_FLAG_SPR 8
extern const struct txvu_operand dma_operands[];
extern /*const*/ struct txvu_opcode dma_opcodes[];
extern const int dma_opcodes_count;
const struct txvu_opcode *dma_opcode_lookup_asm PARAMS ((const char *));
const struct txvu_opcode *dma_opcode_lookup_dis PARAMS ((unsigned int));
/* GPUIF support. */
extern const struct txvu_operand gpuif_operands[];
extern /*const*/ struct txvu_opcode gpuif_opcodes[];
extern const int gpuif_opcodes_count;
const struct txvu_opcode *gpuif_opcode_lookup_asm PARAMS ((const char *));
const struct txvu_opcode *gpuif_opcode_lookup_dis PARAMS ((unsigned int));
/* Utility fns in txvu-opc.c. */
void txvu_opcode_init_tables PARAMS ((int));
void txvu_opcode_init_parse PARAMS ((void));
void txvu_opcode_init_print PARAMS ((void));