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Doug Evans
1998-01-20 18:07:07 +00:00
parent 94188a771a
commit 8ea2f96f9c
2 changed files with 289 additions and 161 deletions
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19
include/opcode/txvu.h
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@@ -22,8 +22,8 @@ Boston, MA 02111-1307, USA. */
/* Type to denote a TXVU instruction (at least a 32 bit unsigned int). */
typedef unsigned int TXVU_INSN;
/* Maximum number of operands an instruction can have. */
#define TXVU_MAX_OPERANDS 8
/* Maximum number of operands and syntax chars an instruction can have. */
#define TXVU_MAX_OPERANDS 16
struct txvu_opcode {
char *mnemonic;
@@ -94,8 +94,8 @@ struct txvu_operand {
/* This operand is a long immediate value. */
#define TXVU_OPERAND_LIMM 0x10
/* This operand takes signed values. */
#define TXVU_OPERAND_SIGNED 0x20
/* This operand takes unsigned values (default is signed). */
#define TXVU_OPERAND_UNSIGNED 0x20
/* This operand takes signed values, but also accepts a full positive
range of values. That is, if bits is 16, it takes any value from
@@ -191,12 +191,13 @@ struct txvu_operand {
/* Given an operand entry, return the table index. */
#define TXVU_OPERAND_INDEX(op) ((op) - 128)
/* Positions and masks of various fields. */
/* Positions, masks, and values of various fields used in multiple places
(the opcode table, the disassembler, GAS). */
#define TXVU_SHIFT_DEST 21
#define TXVU_SHIFT_FTREG 16
#define TXVU_SHIFT_FSREG 11
#define TXVU_SHIFT_FDREG 6
#define TXVU_MASK_VFREG 31
#define TXVU_SHIFT_TREG 16
#define TXVU_SHIFT_SREG 11
#define TXVU_SHIFT_DREG 6
#define TXVU_MASK_REG 31
#define TXVU_DEST_X 8
#define TXVU_DEST_Y 4
#define TXVU_DEST_Z 2