hw/xtensa/xtensa-isa.h

101  * The encoding and decoding functions operate on instruction buffers,
102  * not on the raw bytes of the instructions. The same instruction
204  * XTENSA_UNDEFINED on error. The "from_chars" function first reads the
244  * XTENSA_UNDEFINED on error.
256  * stages before stage 0. Returns XTENSA_UNDEFINED on error.
282 /* Get the name of a format. Returns null on error. */
305  * All the other fields are set to zero. Returns non-zero on error.
314  * XTENSA_UNDEFINED on error.
322  * on error.
330  * Returns XTENSA_UNDEFINED on error.
340  * slot, and do the opposite to set a slot. Return non-zero on error.
381 /* Get the mnemonic name for an opcode. Returns null on error. */
388  * XTENSA_UNDEFINED on error. The instructions are classified as
414  * operands for an instruction. These return XTENSA_UNDEFINED on
429  * XTENSA_UNDEFINED on error. The "funcUnit_use" function returns
430  * a pointer to a "use" pair or null on error.
447 /* Get the name of an operand. Returns null on error. */
461  * visible, 0 if it is invisible, or XTENSA_UNDEFINED on error. Note
476  * Returns 0 on error.
486  * functions return non-zero on error, e.g., if the field is not defined
503  * the argument pointer. The return value is non-zero on error.
517  * XTENSA_UNDEFINED on error. The "regfile" function returns the
518  * regfile for a register operand, or XTENSA_UNDEFINED on error.
533  * XTENSA_UNDEFINED on error.
545  * register value is unknown, 1 if known, and XTENSA_UNDEFINED on
555  * immediates, and XTENSA_UNDEFINED on error.
571  * appropriate address. The return values are non-zero on error. Note
589  * on error.
598  * ('m') operand. Returns 0 on error.
609  * Returns XTENSA_UNDEFINED on error.
631  * Returns XTENSA_UNDEFINED on error. The "lookup_shortname" function
644  * Returns null on error.
655  * XTENSA_UNDEFINED on error.
663  * Returns XTENSA_UNDEFINED on error.
670  * Get the number of regfile entries. Returns XTENSA_UNDEFINED on
680 /* Look up a state by name. Returns XTENSA_UNDEFINED on error. */
685 /* Get the name for a processor state. Returns null on error. */
692  * Returns XTENSA_UNDEFINED on error.
701  * XTENSA_UNDEFINED on error.
709  * 1 if the condition is true, and XTENSA_UNDEFINED on error.
735 /* Get the name of a sysreg. Returns null on error. */
740 /* Get the register number. Returns XTENSA_UNDEFINED on error. */
748  * XTENSA_UNDEFINED on error.
765 /* Get the name of an interface. Returns null on error. */
772  * Returns XTENSA_UNDEFINED on error.
780  * to the Xtensa processor core. Returns 0 on error.
790  * and XTENSA_UNDEFINED on error.
798  * has side effects on a set of related interfaces. The interfaces
802  * on error. These identifiers can be compared to determine if two
820 /* Get the name of a functional unit. Returns null on error. */
827  * particular function unit exist. Returns XTENSA_UNDEFINED on error.