mirror of
https://github.com/espressif/esp-idf.git
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1150 lines
45 KiB
C
1150 lines
45 KiB
C
/*
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* SPDX-FileCopyrightText: 2016-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include "esp_err.h"
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#include "ulp_common.h"
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#include "ulp_fsm_common.h"
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#include "soc/reg_base.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup ulp_registers ULP coprocessor registers
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* @{
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*/
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#define R0 0 /*!< general purpose register 0 */
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#define R1 1 /*!< general purpose register 1 */
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#define R2 2 /*!< general purpose register 2 */
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#define R3 3 /*!< general purpose register 3 */
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/**@}*/
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/** @defgroup ulp_opcodes ULP coprocessor opcodes, sub opcodes, and various modifiers/flags
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*
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* These definitions are not intended to be used directly.
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* They are used in definitions of instructions later on.
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*
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* @{
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*/
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#define OPCODE_WR_REG 1 /*!< Instruction: write peripheral register (RTC_CNTL/RTC_IO/SARADC) (not implemented yet) */
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#define OPCODE_RD_REG 2 /*!< Instruction: read peripheral register (RTC_CNTL/RTC_IO/SARADC) (not implemented yet) */
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#define RD_REG_PERIPH_RTC_CNTL 0 /*!< Identifier of RTC_CNTL peripheral for RD_REG and WR_REG instructions */
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#define RD_REG_PERIPH_RTC_IO 1 /*!< Identifier of RTC_IO peripheral for RD_REG and WR_REG instructions */
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#define RD_REG_PERIPH_SENS 2 /*!< Identifier of SARADC peripheral for RD_REG and WR_REG instructions */
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#define RD_REG_PERIPH_RTC_I2C 3 /*!< Identifier of RTC_I2C peripheral for RD_REG and WR_REG instructions */
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#define OPCODE_I2C 3 /*!< Instruction: read/write I2C (not implemented yet) */
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#define OPCODE_DELAY 4 /*!< Instruction: delay (nop) for a given number of cycles */
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#define OPCODE_ADC 5 /*!< Instruction: SAR ADC measurement (not implemented yet) */
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#define OPCODE_ST 6 /*!< Instruction: store indirect to RTC memory */
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#define SUB_OPCODE_ST_AUTO 1 /*!< Automatic Storage Mode - Access continuous addresses. Use SUB_OPCODE_ST_OFFSET to configure the initial address before using this instruction. */
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#define SUB_OPCODE_ST_OFFSET 3 /*!< Automatic Storage Mode - Configure the initial address. */
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#define SUB_OPCODE_ST 4 /*!< Manual Storage Mode. Store 32 bits, 16 MSBs contain PC, 16 LSBs contain value from source register */
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#define OPCODE_ALU 7 /*!< Arithmetic instructions */
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#define SUB_OPCODE_ALU_REG 0 /*!< Arithmetic instruction, both source values are in register */
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#define SUB_OPCODE_ALU_IMM 1 /*!< Arithmetic instruction, one source value is an immediate */
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#define SUB_OPCODE_ALU_CNT 2 /*!< Arithmetic instruction between counter register and an immediate (not implemented yet)*/
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#define ALU_SEL_ADD 0 /*!< Addition */
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#define ALU_SEL_SUB 1 /*!< Subtraction */
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#define ALU_SEL_AND 2 /*!< Logical AND */
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#define ALU_SEL_OR 3 /*!< Logical OR */
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#define ALU_SEL_MOV 4 /*!< Copy value (immediate to destination register or source register to destination register */
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#define ALU_SEL_LSH 5 /*!< Shift left by given number of bits */
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#define ALU_SEL_RSH 6 /*!< Shift right by given number of bits */
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#define ALU_SEL_STAGE_INC 0 /*!< Increment stage count register */
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#define ALU_SEL_STAGE_DEC 1 /*!< Decrement stage count register */
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#define ALU_SEL_STAGE_RST 2 /*!< Reset stage count register */
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#define OPCODE_BRANCH 8 /*!< Branch instructions */
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#define SUB_OPCODE_B 0 /*!< Branch to a relative offset */
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#define SUB_OPCODE_BX 1 /*!< Branch to absolute PC (immediate or in register) */
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#define SUB_OPCODE_BS 2 /*!< Branch to a relative offset by comparing the stage_cnt register */
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#define BX_JUMP_TYPE_DIRECT 0 /*!< Unconditional jump */
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#define BX_JUMP_TYPE_ZERO 1 /*!< Branch if last ALU result is zero */
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#define BX_JUMP_TYPE_OVF 2 /*!< Branch if last ALU operation caused and overflow */
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#define B_CMP_L 0 /*!< Branch if R0 is less than an immediate */
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#define B_CMP_G 1 /*!< Branch if R0 is greater than an immediate */
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#define B_CMP_E 2 /*!< Branch if R0 is equal to an immediate */
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#define BS_CMP_L 0 /*!< Branch if stage_cnt is less than an immediate */
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#define BS_CMP_GE 1 /*!< Branch if stage_cnt is greater than or equal to an immediate */
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#define BS_CMP_LE 2 /*!< Branch if stage_cnt is less than or equal to an immediate */
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#define OPCODE_END 9 /*!< Stop executing the program */
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#define SUB_OPCODE_END 0 /*!< Stop executing the program and optionally wake up the chip */
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#define SUB_OPCODE_SLEEP 1 /*!< Stop executing the program and run it again after selected interval */
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#define OPCODE_TSENS 10 /*!< Instruction: temperature sensor measurement (not implemented yet) */
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#define OPCODE_HALT 11 /*!< Halt the coprocessor */
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#define OPCODE_LD 13 /*!< Indirect load lower 16 bits from RTC memory */
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#define OPCODE_MACRO 15 /*!< Not a real opcode. Used to identify labels and branches in the program */
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#define SUB_OPCODE_MACRO_LABEL 0 /*!< Label macro */
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#define SUB_OPCODE_MACRO_BRANCH 1 /*!< Branch macro */
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#define SUB_OPCODE_MACRO_LABELPC 2 /*!< Label pointer macro */
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/**@}*/
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/**
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* @brief Instruction format structure
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*
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* All ULP instructions are 32 bit long.
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* This union contains field layouts used by all of the supported instructions.
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* This union also includes a special "macro" instruction layout.
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* This is not a real instruction which can be executed by the CPU. It acts
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* as a token which is removed from the program by the
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* ulp_process_macros_and_load function.
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*
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* These structures are not intended to be used directly.
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* Preprocessor definitions provided below fill the fields of these structure with
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* the right arguments.
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*/
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union ulp_insn {
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struct {
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uint32_t cycles : 16; /*!< Number of cycles to sleep */
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uint32_t unused : 12; /*!< Unused */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_DELAY) */
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} delay; /*!< Format of DELAY instruction */
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struct {
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uint32_t dreg : 2; /*!< Register which contains data to store */
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uint32_t sreg : 2; /*!< Register which contains address in RTC memory (expressed in words) */
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uint32_t label: 2; /*!< Data label, 2-bit user defined unsigned value */
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uint32_t upper: 1; /*!< 0: write the low half-word; 1: write the high half-word */
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uint32_t wr_way: 2; /*!< 0: write the full-word; 1: with the label; 3: without the label */
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uint32_t unused1 : 1; /*!< Unused */
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uint32_t offset : 11; /*!< Offset to add to sreg */
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uint32_t unused2 : 4; /*!< Unused */
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uint32_t sub_opcode : 3; /*!< Sub opcode (SUB_OPCODE_ST) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_ST) */
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} st; /*!< Format of ST instruction */
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struct {
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uint32_t dreg : 2; /*!< Register where the data should be loaded to */
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uint32_t sreg : 2; /*!< Register which contains address in RTC memory (expressed in words) */
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uint32_t unused1 : 6; /*!< Unused */
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uint32_t offset : 11; /*!< Offset to add to sreg */
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uint32_t unused2 : 6; /*!< Unused */
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uint32_t rd_upper: 1; /*!< 0: read the high half-word; 1: read the low half-word*/
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uint32_t opcode : 4; /*!< Opcode (OPCODE_LD) */
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} ld; /*!< Format of LD instruction */
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struct {
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uint32_t unused : 28; /*!< Unused */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_HALT) */
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} halt; /*!< Format of HALT instruction */
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struct {
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uint32_t dreg : 2; /*!< Register which contains target PC, expressed in words (used if .reg == 1) */
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uint32_t addr : 11; /*!< Target PC, expressed in words (used if .reg == 0) */
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uint32_t unused1 : 8; /*!< Unused */
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uint32_t reg : 1; /*!< Target PC in register (1) or immediate (0) */
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uint32_t type : 3; /*!< Jump condition (BX_JUMP_TYPE_xxx) */
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uint32_t unused2 : 1; /*!< Unused */
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uint32_t sub_opcode : 2; /*!< Sub opcode (SUB_OPCODE_BX) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_BRANCH) */
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} bx; /*!< Format of BRANCH instruction (absolute address) */
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struct {
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uint32_t imm : 16; /*!< Immediate value to compare against */
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uint32_t cmp : 2; /*!< Comparison to perform: B_CMP_L or B_CMP_GE */
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uint32_t offset : 7; /*!< Absolute value of target PC offset w.r.t. current PC, expressed in words */
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uint32_t sign : 1; /*!< Sign of target PC offset: 0: positive, 1: negative */
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uint32_t sub_opcode : 2; /*!< Sub opcode (SUB_OPCODE_B) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_BRANCH) */
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} b; /*!< Format of BRANCH instruction (relative address) */
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struct {
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uint32_t dreg : 2; /*!< Destination register */
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uint32_t sreg : 2; /*!< Register with operand A */
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uint32_t treg : 2; /*!< Register with operand B */
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uint32_t unused1 : 15; /*!< Unused */
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uint32_t sel : 4; /*!< Operation to perform, one of ALU_SEL_xxx */
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uint32_t unused2 : 1; /*!< Unused */
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uint32_t sub_opcode : 2; /*!< Sub opcode (SUB_OPCODE_ALU_REG) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_ALU) */
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} alu_reg; /*!< Format of ALU instruction (both sources are registers) */
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struct {
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uint32_t dreg : 2; /*!< Destination register */
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uint32_t sreg : 2; /*!< Register with operand A */
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uint32_t imm : 16; /*!< Immediate value of operand B */
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uint32_t unused1: 1; /*!< Unused */
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uint32_t sel : 4; /*!< Operation to perform, one of ALU_SEL_xxx */
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uint32_t unused2 : 1; /*!< Unused */
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uint32_t sub_opcode : 2; /*!< Sub opcode (SUB_OPCODE_ALU_IMM) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_ALU) */
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} alu_imm; /*!< Format of ALU instruction (one source is an immediate) */
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struct {
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uint32_t unused1: 4; /*!< Unused */
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uint32_t imm : 8; /*!< Immediate value */
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uint32_t unused2: 9; /*!< Unused */
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uint32_t sel : 4; /*!< Operation to perform, one of ALU_SEL_xxx */
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uint32_t unused3 : 1; /*!< Unused */
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uint32_t sub_opcode : 2; /*!< Sub opcode (SUB_OPCODE_ALU_CNT) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_ALU) */
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} alu_cnt; /*!< Format of ALU instruction with stage count register and an immediate */
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struct {
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uint32_t addr : 8; /*!< Address within either RTC_CNTL, RTC_IO, or SARADC */
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uint32_t periph_sel : 2; /*!< Select peripheral: RTC_CNTL (0), RTC_IO(1), SARADC(2) */
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uint32_t data : 8; /*!< 8 bits of data to write */
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uint32_t low : 5; /*!< Low bit */
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uint32_t high : 5; /*!< High bit */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_WR_REG) */
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} wr_reg; /*!< Format of WR_REG instruction */
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struct {
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uint32_t addr : 8; /*!< Address within either RTC_CNTL, RTC_IO, or SARADC */
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uint32_t periph_sel : 2; /*!< Select peripheral: RTC_CNTL (0), RTC_IO(1), SARADC(2) */
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uint32_t unused : 8; /*!< Unused */
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uint32_t low : 5; /*!< Low bit */
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uint32_t high : 5; /*!< High bit */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_RD_REG) */
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} rd_reg; /*!< Format of RD_REG instruction */
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struct {
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uint32_t dreg : 2; /*!< Register where to store ADC result */
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uint32_t mux : 4; /*!< Select SARADC pad (mux + 1) */
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uint32_t sar_sel : 1; /*!< Select SARADC0 (0) or SARADC1 (1) */
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uint32_t unused1 : 1; /*!< Unused */
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uint32_t cycles : 16; /*!< TBD, cycles used for measurement */
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uint32_t unused2 : 4; /*!< Unused */
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uint32_t opcode: 4; /*!< Opcode (OPCODE_ADC) */
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} adc; /*!< Format of ADC instruction */
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struct {
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uint32_t dreg : 2; /*!< Register where to store temperature measurement result */
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uint32_t wait_delay: 14; /*!< Cycles to wait after measurement is done */
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uint32_t reserved: 12; /*!< Reserved, set to 0 */
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uint32_t opcode: 4; /*!< Opcode (OPCODE_TSENS) */
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} tsens; /*!< Format of TSENS instruction */
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struct {
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uint32_t i2c_addr : 8; /*!< I2C slave address */
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uint32_t data : 8; /*!< Data to read or write */
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uint32_t low_bits : 3; /*!< TBD */
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uint32_t high_bits : 3; /*!< TBD */
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uint32_t i2c_sel : 4; /*!< TBD, select reg_i2c_slave_address[7:0] */
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uint32_t unused : 1; /*!< Unused */
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uint32_t rw : 1; /*!< Write (1) or read (0) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_I2C) */
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} i2c; /*!< Format of I2C instruction */
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struct {
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uint32_t wakeup : 1; /*!< Set to 1 to wake up chip */
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uint32_t unused : 25; /*!< Unused */
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uint32_t sub_opcode : 2; /*!< Sub opcode (SUB_OPCODE_WAKEUP) */
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uint32_t opcode : 4; /*!< Opcode (OPCODE_END) */
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} end; /*!< Format of END instruction with wakeup */
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struct {
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uint32_t label : 16; /*!< Label number */
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uint32_t unused : 8; /*!< Unused */
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uint32_t sub_opcode : 4; /*!< SUB_OPCODE_MACRO_LABEL or SUB_OPCODE_MACRO_BRANCH */
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uint32_t opcode: 4; /*!< Opcode (OPCODE_MACRO) */
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} macro; /*!< Format of tokens used by LABEL and BRANCH macros */
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};
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/**
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* Delay (nop) for a given number of cycles
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*/
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#define I_DELAY(cycles_) { .delay = {\
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.cycles = cycles_, \
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.unused = 0, \
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.opcode = OPCODE_DELAY } }
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/**
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* Halt the coprocessor.
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*
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* This instruction halts the coprocessor, but keeps ULP timer active.
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* As such, ULP program will be restarted again by timer.
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* To stop the program and prevent the timer from restarting the program,
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* use I_END(0) instruction.
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*/
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#define I_HALT() { .halt = {\
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.unused = 0, \
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.opcode = OPCODE_HALT } }
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/**
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* Map SoC peripheral register to periph_sel field of RD_REG and WR_REG
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* instructions.
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*
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* @param reg peripheral register in RTC_CNTL_, RTC_IO_, SENS_, RTC_I2C peripherals.
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* @return periph_sel value for the peripheral to which this register belongs.
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*/
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static inline uint32_t SOC_REG_TO_ULP_PERIPH_SEL(uint32_t reg)
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{
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uint32_t ret = 3;
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if (reg < DR_REG_RTCCNTL_BASE) {
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assert(0 && "invalid register base");
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} else if (reg < DR_REG_RTCIO_BASE) {
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ret = RD_REG_PERIPH_RTC_CNTL;
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} else if (reg < DR_REG_SENS_BASE) {
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ret = RD_REG_PERIPH_RTC_IO;
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} else if (reg < DR_REG_RTC_I2C_BASE) {
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ret = RD_REG_PERIPH_SENS;
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} else if (reg < DR_REG_IO_MUX_BASE) {
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ret = RD_REG_PERIPH_RTC_I2C;
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} else {
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assert(0 && "invalid register base");
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}
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return ret;
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}
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/**
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* Write literal value to a peripheral register
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*
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* reg[high_bit : low_bit] = val
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* This instruction can access RTC_CNTL_, RTC_IO_, SENS_, and RTC_I2C peripheral registers.
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*/
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#define I_WR_REG(reg, low_bit, high_bit, val) {.wr_reg = {\
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.addr = ((reg) / sizeof(uint32_t)) & 0xff, \
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.periph_sel = SOC_REG_TO_ULP_PERIPH_SEL(reg), \
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.data = val, \
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.low = low_bit, \
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.high = high_bit, \
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.opcode = OPCODE_WR_REG } }
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/**
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* Read from peripheral register into R0
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*
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* R0 = reg[high_bit : low_bit]
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* This instruction can access RTC_CNTL_, RTC_IO_, SENS_, and RTC_I2C peripheral registers.
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*/
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#define I_RD_REG(reg, low_bit, high_bit) {.rd_reg = {\
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.addr = ((reg) / sizeof(uint32_t)) & 0xff, \
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.periph_sel = SOC_REG_TO_ULP_PERIPH_SEL(reg), \
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.unused = 0, \
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.low = low_bit, \
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.high = high_bit, \
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.opcode = OPCODE_RD_REG } }
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/**
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* Set or clear a bit in the peripheral register.
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*
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* Sets bit (1 << shift) of register reg to value val.
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* This instruction can access RTC_CNTL_, RTC_IO_, SENS_, and RTC_I2C peripheral registers.
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*/
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#define I_WR_REG_BIT(reg, shift, val) I_WR_REG(reg, shift, shift, val)
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/**
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* Wake the SoC from deep sleep.
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*
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* This instruction initiates wake up from deep sleep.
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* Use esp_deep_sleep_enable_ulp_wakeup to enable deep sleep wakeup
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* triggered by the ULP before going into deep sleep.
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* Note that ULP program will still keep running until the I_HALT
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* instruction, and it will still be restarted by timer at regular
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* intervals, even when the SoC is woken up.
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*
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* To stop the ULP program, use I_HALT instruction.
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*
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* To disable the timer which start ULP program, use I_END()
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* instruction. I_END instruction clears the
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* RTC_CNTL_ULP_CP_SLP_TIMER_EN_S bit of RTC_CNTL_ULP_CP_TIMER_REG
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* register, which controls the ULP timer.
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*/
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#define I_WAKE() { .end = { \
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.wakeup = 1, \
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.unused = 0, \
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.sub_opcode = SUB_OPCODE_END, \
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.opcode = OPCODE_END } }
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/**
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* Stop ULP program timer.
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*
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* This is a convenience macro which disables the ULP program timer.
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* Once this instruction is used, ULP program will not be restarted
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* anymore until ulp_run function is called.
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*
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* ULP program will continue running after this instruction. To stop
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* the currently running program, use I_HALT().
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*/
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#define I_END() \
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I_WR_REG_BIT(RTC_CNTL_ULP_CP_TIMER_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN_S, 0)
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/**
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* Perform temperature sensor measurement and store it into reg_dest.
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*
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* Delay can be set between 1 and ((1 << 14) - 1). Higher values give
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* higher measurement resolution.
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*/
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#define I_TSENS(reg_dest, delay) { .tsens = { \
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.dreg = reg_dest, \
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.wait_delay = delay, \
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.reserved = 0, \
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.opcode = OPCODE_TSENS } }
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/**
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* Perform ADC measurement and store result in reg_dest.
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*
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* adc_idx selects ADC (0 or 1).
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* pad_idx selects ADC pad (0 - 7).
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*/
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#define I_ADC(reg_dest, adc_idx, pad_idx) { .adc = {\
|
||
.dreg = reg_dest, \
|
||
.mux = pad_idx + 1, \
|
||
.sar_sel = adc_idx, \
|
||
.unused1 = 0, \
|
||
.cycles = 0, \
|
||
.unused2 = 0, \
|
||
.opcode = OPCODE_ADC } }
|
||
|
||
/**
|
||
* Store lower half-word, upper half-word or full-word data from register reg_val into RTC memory address.
|
||
*
|
||
* This instruction can be used to write data to discontinuous addresses in the RTC_SLOW_MEM.
|
||
* The value is written to an offset calculated by adding the value of
|
||
* reg_addr register and offset_ field (this offset is expressed in 32-bit words).
|
||
* The storage method is dictated by the wr_way and upper field settings as summarized in the following table:
|
||
*
|
||
* @verbatim
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | wr_way | upper | data | operation |
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Write full-word, including |
|
||
* | 0 | X | RTC_SLOW_MEM[addr + offset_]{31:0} = {insn_PC[10:0], 3’b0, label_[1:0], reg_val[15:0]} | the PC and the data |
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data with label |
|
||
* | 1 | 0 | RTC_SLOW_MEM[addr + offset_]{15:0} = {label_[1:0], reg_val[13:0]} | in the low half-word |
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data with label |
|
||
* | 1 | 1 | RTC_SLOW_MEM[addr + offset_]{31:16} = {label_[1:0], reg_val[13:0]} | in the high half-word |
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data without |
|
||
* | 3 | 0 | RTC_SLOW_MEM[addr + offset_]{15:0} = reg_val[15:0] | label in the low half-word |
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data without |
|
||
* | 3 | 1 | RTC_SLOW_MEM[addr + offset_]{31:16} = reg_val[15:0] | label in the high half-word|
|
||
* |--------|-------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* @endverbatim
|
||
*
|
||
* SUB_OPCODE_ST = manual_en:1, offset_set:0, wr_auto:0
|
||
*/
|
||
#define I_ST_MANUAL(reg_val, reg_addr, offset_, label_, upper_, wr_way_) { .st = { \
|
||
.dreg = reg_val, \
|
||
.sreg = reg_addr, \
|
||
.label = label_, \
|
||
.upper = upper_, \
|
||
.wr_way = wr_way_, \
|
||
.unused1 = 0, \
|
||
.offset = offset_, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ST, \
|
||
.opcode = OPCODE_ST } }
|
||
|
||
/**
|
||
* Store value from register reg_val into RTC memory.
|
||
*
|
||
* I_ST() instruction provides backward compatibility for code written for esp32 to be run on esp32s2.
|
||
* This instruction is equivalent to calling I_ST_MANUAL() instruction with label = 0, upper = 0 and wr_way = 3.
|
||
*/
|
||
#define I_ST(reg_val, reg_addr, offset_) I_ST_MANUAL(reg_val, reg_addr, offset_, 0, 0, 3)
|
||
|
||
/**
|
||
* Store value from register reg_val to lower 16 bits of the RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_MANUAL() instruction with label = 0, upper = 0 and wr_way = 3.
|
||
*/
|
||
#define I_STL(reg_val, reg_addr, offset_) I_ST_MANUAL(reg_val, reg_addr, offset_, 0, 0, 3)
|
||
|
||
/**
|
||
* Store value from register reg_val to upper 16 bits of the RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_MANUAL() instruction with label = 0, upper = 1 and wr_way = 3.
|
||
*/
|
||
#define I_STH(reg_val, reg_addr, offset_) I_ST_MANUAL(reg_val, reg_addr, offset_, 0, 1, 3)
|
||
|
||
/**
|
||
* Store value from register reg_val to full 32 bit word of the RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_MANUAL() instruction with wr_way = 0.
|
||
*/
|
||
#define I_ST32(reg_val, reg_addr, offset_, label_) I_ST_MANUAL(reg_val, reg_addr, offset_, label_, 0, 0)
|
||
|
||
/**
|
||
* Store value from register reg_val with label to lower 16 bits of RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_MANUAL() instruction with label = label_, upper = 0 and wr_way = 1.
|
||
*/
|
||
#define I_STL_LABEL(reg_val, reg_addr, offset_, label_) I_ST_MANUAL(reg_val, reg_addr, offset_, label_, 0, 1)
|
||
|
||
/**
|
||
* Store value from register reg_val with label to upper 16 bits of RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_MANUAL() instruction with label = label_, upper = 1 and wr_way = 1.
|
||
*/
|
||
#define I_STH_LABEL(reg_val, reg_addr, offset_, label_) I_ST_MANUAL(reg_val, reg_addr, offset_, label_, 1, 1)
|
||
|
||
/**
|
||
* Store lower half-word, upper half-word or full-word data from register reg_val into RTC memory address with auto-increment of the offset value.
|
||
*
|
||
* This instruction can be used to write data to continuous addresses in the RTC_SLOW_MEM.
|
||
* The initial address must be set using the SUB_OPCODE_ST_OFFSET instruction before the auto store instruction is called.
|
||
* The data written to the RTC memory address could be written to the full 32 bit word or to the lower half-word or the
|
||
* upper half-word. The storage method is dictated by the wr_way field and the number of times the SUB_OPCODE_ST_AUTO instruction is called.
|
||
* write_cnt indicates the later. The following table summarizes the storage method:
|
||
*
|
||
* @verbatim
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | wr_way | write_cnt | data | operation |
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Write full-word, including |
|
||
* | 0 | X | RTC_SLOW_MEM[addr + offset_]{31:0} = {insn_PC[10:0], 3’b0, label_[1:0], reg_val[15:0]} | the PC and the data |
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data with label |
|
||
* | 1 | odd | RTC_SLOW_MEM[addr + offset_]{15:0} = {label_[1:0], reg_val[13:0]} | in the low half-word |
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data with label |
|
||
* | 1 | even | RTC_SLOW_MEM[addr + offset_]{31:16} = {label_[1:0], reg_val[13:0]} | in the high half-word |
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data without |
|
||
* | 3 | odd | RTC_SLOW_MEM[addr + offset_]{15:0} = reg_val[15:0] | label in the low half-word |
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* | | | | Store the data without |
|
||
* | 3 | even | RTC_SLOW_MEM[addr + offset_]{31:16} = reg_val[15:0] | label in the high half-word|
|
||
* |--------|-----------|----------------------------------------------------------------------------------------|----------------------------|
|
||
* @endverbatim
|
||
*
|
||
* The initial address offset is incremented after each store operation as follows:
|
||
* - When a full-word is written, the offset is automatically incremented by 1 after each SUB_OPCODE_ST_AUTO operation.
|
||
* - When a half-word is written (lower half-word first), the offset is automatically incremented by 1 after two
|
||
* SUB_OPCODE_ST_AUTO operations.
|
||
*
|
||
* SUB_OPCODE_ST_AUTO = manual_en:0, offset_set:0, wr_auto:1
|
||
*/
|
||
#define I_ST_AUTO(reg_val, reg_addr, label_, wr_way_) { .st = { \
|
||
.dreg = reg_addr, \
|
||
.sreg = reg_val, \
|
||
.label = label_, \
|
||
.upper = 0, \
|
||
.wr_way = wr_way_, \
|
||
.unused1 = 0, \
|
||
.offset = 0, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ST_AUTO, \
|
||
.opcode = OPCODE_ST } }
|
||
|
||
/**
|
||
* Set the initial address offset for auto-store operation
|
||
*
|
||
* This instruction sets the initial address of the RTC_SLOW_MEM to be used by the auto-store operation.
|
||
* The offset is incremented automatically.
|
||
* Refer I_ST_AUTO() for detailed explaination.
|
||
*
|
||
* SUB_OPCODE_ST_OFFSET = manual_en:0, offset_set:1, wr_auto:1
|
||
*/
|
||
#define I_STO(offset_) { .st = { \
|
||
.dreg = 0, \
|
||
.sreg = 0, \
|
||
.label = 0, \
|
||
.upper = 0, \
|
||
.wr_way = 0, \
|
||
.unused1 = 0, \
|
||
.offset = offset_, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ST_OFFSET, \
|
||
.opcode = OPCODE_ST } }
|
||
|
||
/**
|
||
* Store value from register reg_val to 32 bit word of the RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_AUTO() instruction with label = 0 and wr_way = 3.
|
||
* The data in reg_val will be either written to the lower half-word or the upper half-word of the RTC memory address
|
||
* depending on the count of the number of times the I_STI() instruction is called.
|
||
* The initial offset is automatically incremented with I_STI() is called twice.
|
||
* Refer I_ST_AUTO() for detailed explaination.
|
||
*/
|
||
#define I_STI(reg_val, reg_addr) I_ST_AUTO(reg_val, reg_addr, 0, 3)
|
||
|
||
/**
|
||
* Store value from register reg_val with label to 32 bit word of the RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_AUTO() instruction with label = label_ and wr_way = 1.
|
||
* The data in reg_val will be either written to the lower half-word or the upper half-word of the RTC memory address
|
||
* depending on the count of the number of times the I_STI_LABEL() instruction is called.
|
||
* The initial offset is automatically incremented with I_STI_LABEL() is called twice.
|
||
* Refer I_ST_AUTO() for detailed explaination.
|
||
*/
|
||
#define I_STI_LABEL(reg_val, reg_addr, label_) I_ST_AUTO(reg_val, reg_addr, label_, 1)
|
||
|
||
/**
|
||
* Store value from register reg_val to full 32 bit word of the RTC memory address.
|
||
*
|
||
* This instruction is equivalent to calling I_ST_AUTO() instruction with label = label_ and wr_way = 0.
|
||
* The data in reg_val will be written to the RTC memory address along with the label and the PC.
|
||
* The initial offset is automatically incremented each time the I_STI32() instruction is called.
|
||
* Refer I_ST_AUTO() for detailed explaination.
|
||
*/
|
||
#define I_STI32(reg_val, reg_addr, label_) I_ST_AUTO(reg_val, reg_addr, label_, 0)
|
||
|
||
/**
|
||
* Load lower half-word, upper half-word or full-word data from RTC memory address into the register reg_dest.
|
||
*
|
||
* This instruction reads the lower half-word or upper half-word of the RTC memory address depending on the value
|
||
* of rd_upper_. The following table summarizes the loading method:
|
||
*
|
||
* @verbatim
|
||
* |----------|------------------------------------------------------|-------------------------|
|
||
* | rd_upper | data | operation |
|
||
* |----------|------------------------------------------------------|-------------------------|
|
||
* | | | Read lower half-word of |
|
||
* | 0 | reg_dest{15:0} = RTC_SLOW_MEM[addr + offset_]{31:16} | the memory |
|
||
* |----------|------------------------------------------------------|-------------------------|
|
||
* | | | Read upper half-word of |
|
||
* | 1 | reg_dest{15:0} = RTC_SLOW_MEM[addr + offset_]{15:0} | the memory |
|
||
* |----------|------------------------------------------------------|-------------------------|
|
||
* @endverbatim
|
||
*
|
||
*/
|
||
#define I_LD_MANUAL(reg_dest, reg_addr, offset_, rd_upper_) { .ld = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_addr, \
|
||
.unused1 = 0, \
|
||
.offset = offset_, \
|
||
.unused2 = 0, \
|
||
.rd_upper = rd_upper_, \
|
||
.opcode = OPCODE_LD } }
|
||
|
||
/**
|
||
* Load lower 16 bits value from RTC memory into reg_dest register.
|
||
*
|
||
* Loads 16 LSBs (rd_upper = 1) from RTC memory word given by the sum of value in reg_addr and
|
||
* value of offset_.
|
||
* I_LD() instruction provides backward compatibility for code written for esp32 to be run on esp32s2.
|
||
*/
|
||
#define I_LD(reg_dest, reg_addr, offset_) I_LD_MANUAL(reg_dest, reg_addr, offset_, 0)
|
||
|
||
/**
|
||
* Load lower 16 bits value from RTC memory into reg_dest register.
|
||
*
|
||
* I_LDL() instruction and I_LD() instruction can be used interchangably.
|
||
*/
|
||
#define I_LDL(reg_dest, reg_addr, offset_) I_LD(reg_dest, reg_addr, offset_)
|
||
|
||
/**
|
||
* Load upper 16 bits value from RTC memory into reg_dest register.
|
||
*
|
||
* Loads 16 MSBs (rd_upper = 0) from RTC memory word given by the sum of value in reg_addr and
|
||
* value of offset_.
|
||
*/
|
||
#define I_LDH(reg_dest, reg_addr, offset_) I_LD_MANUAL(reg_dest, reg_addr, offset_, 1)
|
||
|
||
/**
|
||
* Branch relative if R0 register less than the immediate value.
|
||
*
|
||
* pc_offset is expressed in words, and can be from -127 to 127
|
||
* imm_value is a 16-bit value to compare R0 against
|
||
*/
|
||
#define I_BL(pc_offset, imm_value) { .b = { \
|
||
.imm = imm_value, \
|
||
.cmp = B_CMP_L, \
|
||
.offset = abs(pc_offset), \
|
||
.sign = (pc_offset >= 0) ? 0 : 1, \
|
||
.sub_opcode = SUB_OPCODE_B, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch relative if R0 register greater than the immediate value.
|
||
*
|
||
* pc_offset is expressed in words, and can be from -127 to 127
|
||
* imm_value is a 16-bit value to compare R0 against
|
||
*/
|
||
#define I_BG(pc_offset, imm_value) { .b = { \
|
||
.imm = imm_value, \
|
||
.cmp = B_CMP_G, \
|
||
.offset = abs(pc_offset), \
|
||
.sign = (pc_offset >= 0) ? 0 : 1, \
|
||
.sub_opcode = SUB_OPCODE_B, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch relative if R0 register is equal to the immediate value.
|
||
*
|
||
* pc_offset is expressed in words, and can be from -127 to 127
|
||
* imm_value is a 16-bit value to compare R0 against
|
||
*/
|
||
#define I_BE(pc_offset, imm_value) { .b = { \
|
||
.imm = imm_value, \
|
||
.cmp = B_CMP_E, \
|
||
.offset = abs(pc_offset), \
|
||
.sign = (pc_offset >= 0) ? 0 : 1, \
|
||
.sub_opcode = SUB_OPCODE_B, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Unconditional branch to absolute PC, address in register.
|
||
*
|
||
* reg_pc is the register which contains address to jump to.
|
||
* Address is expressed in 32-bit words.
|
||
*/
|
||
#define I_BXR(reg_pc) { .bx = { \
|
||
.dreg = reg_pc, \
|
||
.addr = 0, \
|
||
.unused1 = 0, \
|
||
.reg = 1, \
|
||
.type = BX_JUMP_TYPE_DIRECT, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_BX, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Unconditional branch to absolute PC, immediate address.
|
||
*
|
||
* Address imm_pc is expressed in 32-bit words.
|
||
*/
|
||
#define I_BXI(imm_pc) { .bx = { \
|
||
.dreg = 0, \
|
||
.addr = imm_pc, \
|
||
.unused1 = 0, \
|
||
.reg = 0, \
|
||
.type = BX_JUMP_TYPE_DIRECT, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_BX, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch to absolute PC if ALU result is zero, address in register.
|
||
*
|
||
* reg_pc is the register which contains address to jump to.
|
||
* Address is expressed in 32-bit words.
|
||
*/
|
||
#define I_BXZR(reg_pc) { .bx = { \
|
||
.dreg = reg_pc, \
|
||
.addr = 0, \
|
||
.unused1 = 0, \
|
||
.reg = 1, \
|
||
.type = BX_JUMP_TYPE_ZERO, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_BX, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch to absolute PC if ALU result is zero, immediate address.
|
||
*
|
||
* Address imm_pc is expressed in 32-bit words.
|
||
*/
|
||
#define I_BXZI(imm_pc) { .bx = { \
|
||
.dreg = 0, \
|
||
.addr = imm_pc, \
|
||
.unused1 = 0, \
|
||
.reg = 0, \
|
||
.type = BX_JUMP_TYPE_ZERO, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_BX, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch to absolute PC if ALU overflow, address in register
|
||
*
|
||
* reg_pc is the register which contains address to jump to.
|
||
* Address is expressed in 32-bit words.
|
||
*/
|
||
#define I_BXFR(reg_pc) { .bx = { \
|
||
.dreg = reg_pc, \
|
||
.addr = 0, \
|
||
.unused1 = 0, \
|
||
.reg = 1, \
|
||
.type = BX_JUMP_TYPE_OVF, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_BX, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch to absolute PC if ALU overflow, immediate address
|
||
*
|
||
* Address imm_pc is expressed in 32-bit words.
|
||
*/
|
||
#define I_BXFI(imm_pc) { .bx = { \
|
||
.dreg = 0, \
|
||
.addr = imm_pc, \
|
||
.unused1 = 0, \
|
||
.reg = 0, \
|
||
.type = BX_JUMP_TYPE_OVF, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_BX, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch relative if stage_cnt is less than or equal to the immediate value.
|
||
*
|
||
* pc_offset is expressed in words, and can be from -127 to 127
|
||
* imm_value is a 16-bit value to compare R0 against
|
||
*/
|
||
#define I_BSLE(pc_offset, imm_value) { .b = { \
|
||
.imm = imm_value, \
|
||
.cmp = BS_CMP_LE, \
|
||
.offset = abs(pc_offset), \
|
||
.sign = (pc_offset >= 0) ? 0 : 1, \
|
||
.sub_opcode = SUB_OPCODE_BS, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch relative if stage_cnt register is greater than or equal to the immediate value.
|
||
*
|
||
* pc_offset is expressed in words, and can be from -127 to 127
|
||
* imm_value is a 16-bit value to compare R0 against
|
||
*/
|
||
#define I_BSGE(pc_offset, imm_value) { .b = { \
|
||
.imm = imm_value, \
|
||
.cmp = BS_CMP_GE, \
|
||
.offset = abs(pc_offset), \
|
||
.sign = (pc_offset >= 0) ? 0 : 1, \
|
||
.sub_opcode = SUB_OPCODE_BS, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Branch relative if stage_cnt register is less than the immediate value.
|
||
*
|
||
* pc_offset is expressed in words, and can be from -127 to 127
|
||
* imm_value is a 16-bit value to compare R0 against
|
||
*/
|
||
#define I_BSL(pc_offset, imm_value) { .b = { \
|
||
.imm = imm_value, \
|
||
.cmp = BS_CMP_L, \
|
||
.offset = abs(pc_offset), \
|
||
.sign = (pc_offset >= 0) ? 0 : 1, \
|
||
.sub_opcode = SUB_OPCODE_BS, \
|
||
.opcode = OPCODE_BRANCH } }
|
||
|
||
/**
|
||
* Addition: dest = src1 + src2
|
||
*/
|
||
#define I_ADDR(reg_dest, reg_src1, reg_src2) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src1, \
|
||
.treg = reg_src2, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_ADD, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Subtraction: dest = src1 - src2
|
||
*/
|
||
#define I_SUBR(reg_dest, reg_src1, reg_src2) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src1, \
|
||
.treg = reg_src2, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_SUB, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Logical AND: dest = src1 & src2
|
||
*/
|
||
#define I_ANDR(reg_dest, reg_src1, reg_src2) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src1, \
|
||
.treg = reg_src2, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_AND, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Logical OR: dest = src1 | src2
|
||
*/
|
||
#define I_ORR(reg_dest, reg_src1, reg_src2) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src1, \
|
||
.treg = reg_src2, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_OR, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Copy: dest = src
|
||
*/
|
||
#define I_MOVR(reg_dest, reg_src) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.treg = 0, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_MOV, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Logical shift left: dest = src << shift
|
||
*/
|
||
#define I_LSHR(reg_dest, reg_src, reg_shift) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.treg = reg_shift, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_LSH, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
|
||
/**
|
||
* Logical shift right: dest = src >> shift
|
||
*/
|
||
#define I_RSHR(reg_dest, reg_src, reg_shift) { .alu_reg = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.treg = reg_shift, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_RSH, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_REG, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Add register and an immediate value: dest = src1 + imm
|
||
*/
|
||
#define I_ADDI(reg_dest, reg_src, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_ADD, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
|
||
/**
|
||
* Subtract register and an immediate value: dest = src - imm
|
||
*/
|
||
#define I_SUBI(reg_dest, reg_src, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_SUB, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Logical AND register and an immediate value: dest = src & imm
|
||
*/
|
||
#define I_ANDI(reg_dest, reg_src, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_AND, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Logical OR register and an immediate value: dest = src | imm
|
||
*/
|
||
#define I_ORI(reg_dest, reg_src, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_OR, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Copy an immediate value into register: dest = imm
|
||
*/
|
||
#define I_MOVI(reg_dest, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = 0, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_MOV, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Logical shift left register value by an immediate: dest = src << imm
|
||
*/
|
||
#define I_LSHI(reg_dest, reg_src, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_LSH, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
|
||
/**
|
||
* Logical shift right register value by an immediate: dest = val >> imm
|
||
*/
|
||
#define I_RSHI(reg_dest, reg_src, imm_) { .alu_imm = { \
|
||
.dreg = reg_dest, \
|
||
.sreg = reg_src, \
|
||
.imm = imm_, \
|
||
.unused1 = 0, \
|
||
.sel = ALU_SEL_RSH, \
|
||
.unused2 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_IMM, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Increment stage_cnt register by an immediate: stage_cnt = stage_cnt + imm
|
||
*/
|
||
#define I_STAGE_INC(reg_dest, reg_src, imm_) { .alu_cnt = { \
|
||
.unused1 = 0, \
|
||
.imm = imm_, \
|
||
.unused2 = 0, \
|
||
.sel = ALU_SEL_STAGE_INC, \
|
||
.unused3 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_CNT, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Decrement stage_cnt register by an immediate: stage_cnt = stage_cnt - imm
|
||
*/
|
||
#define I_STAGE_DEC(reg_dest, reg_src, imm_) { .alu_cnt = { \
|
||
.unused1 = 0, \
|
||
.imm = imm_, \
|
||
.unused2 = 0, \
|
||
.sel = ALU_SEL_STAGE_DEC, \
|
||
.unused3 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_CNT, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Reset stage_cnt register by an immediate: stage_cnt = 0
|
||
*/
|
||
#define I_STAGE_RST(reg_dest, reg_src, imm_) { .alu_cnt = { \
|
||
.unused1 = 0, \
|
||
.imm = imm_, \
|
||
.unused2 = 0, \
|
||
.sel = ALU_SEL_STAGE_RST, \
|
||
.unused3 = 0, \
|
||
.sub_opcode = SUB_OPCODE_ALU_CNT, \
|
||
.opcode = OPCODE_ALU } }
|
||
|
||
/**
|
||
* Define a label with number label_num.
|
||
*
|
||
* This is a macro which doesn't generate a real instruction.
|
||
* The token generated by this macro is removed by ulp_process_macros_and_load
|
||
* function. Label defined using this macro can be used in branch macros defined
|
||
* below.
|
||
*/
|
||
#define M_LABEL(label_num) { .macro = { \
|
||
.label = label_num, \
|
||
.unused = 0, \
|
||
.sub_opcode = SUB_OPCODE_MACRO_LABEL, \
|
||
.opcode = OPCODE_MACRO } }
|
||
|
||
/**
|
||
* Token macro used by M_B and M_BX macros. Not to be used directly.
|
||
*/
|
||
#define M_BRANCH(label_num) { .macro = { \
|
||
.label = label_num, \
|
||
.unused = 0, \
|
||
.sub_opcode = SUB_OPCODE_MACRO_BRANCH, \
|
||
.opcode = OPCODE_MACRO } }
|
||
|
||
/**
|
||
* Macro: branch to label label_num if R0 is less than immediate value.
|
||
*
|
||
* This macro generates two ulp_insn_t values separated by a comma, and should
|
||
* be used when defining contents of ulp_insn_t arrays. First value is not a
|
||
* real instruction; it is a token which is removed by ulp_process_macros_and_load
|
||
* function.
|
||
*/
|
||
#define M_BL(label_num, imm_value) \
|
||
M_BRANCH(label_num), \
|
||
I_BL(0, imm_value)
|
||
|
||
/**
|
||
* Macro: branch to label label_num if R0 is greater than immediate value
|
||
*
|
||
* This macro generates two ulp_insn_t values separated by a comma, and should
|
||
* be used when defining contents of ulp_insn_t arrays. First value is not a
|
||
* real instruction; it is a token which is removed by ulp_process_macros_and_load
|
||
* function.
|
||
*/
|
||
#define M_BG(label_num, imm_value) \
|
||
M_BRANCH(label_num), \
|
||
I_BG(0, imm_value)
|
||
|
||
/**
|
||
* Macro: branch to label label_num if R0 equal to the immediate value
|
||
*
|
||
* This macro generates two ulp_insn_t values separated by a comma, and should
|
||
* be used when defining contents of ulp_insn_t arrays. First value is not a
|
||
* real instruction; it is a token which is removed by ulp_process_macros_and_load
|
||
* function.
|
||
*/
|
||
#define M_BE(label_num, imm_value) \
|
||
M_BRANCH(label_num), \
|
||
I_BE(0, imm_value)
|
||
|
||
/**
|
||
* Macro: unconditional branch to label
|
||
*
|
||
* This macro generates two ulp_insn_t values separated by a comma, and should
|
||
* be used when defining contents of ulp_insn_t arrays. First value is not a
|
||
* real instruction; it is a token which is removed by ulp_process_macros_and_load
|
||
* function.
|
||
*/
|
||
#define M_BX(label_num) \
|
||
M_BRANCH(label_num), \
|
||
I_BXI(0)
|
||
|
||
/**
|
||
* Macro: branch to label if ALU result is zero
|
||
*
|
||
* This macro generates two ulp_insn_t values separated by a comma, and should
|
||
* be used when defining contents of ulp_insn_t arrays. First value is not a
|
||
* real instruction; it is a token which is removed by ulp_process_macros_and_load
|
||
* function.
|
||
*/
|
||
#define M_BXZ(label_num) \
|
||
M_BRANCH(label_num), \
|
||
I_BXZI(0)
|
||
|
||
/**
|
||
* Macro: branch to label if ALU overflow
|
||
*
|
||
* This macro generates two ulp_insn_t values separated by a comma, and should
|
||
* be used when defining contents of ulp_insn_t arrays. First value is not a
|
||
* real instruction; it is a token which is removed by ulp_process_macros_and_load
|
||
* function.
|
||
*/
|
||
#define M_BXF(label_num) \
|
||
M_BRANCH(label_num), \
|
||
I_BXFI(0)
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|