55f33240f3
There were several different spellings of MicroPython present in comments, when there should be only one.
206 lines
8.8 KiB
C
206 lines
8.8 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 Fabian Vogt
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#ifndef MICROPY_INCLUDED_PY_ASMARM_H
|
|
#define MICROPY_INCLUDED_PY_ASMARM_H
|
|
|
|
#include "py/misc.h"
|
|
#include "py/asmbase.h"
|
|
|
|
#define ASM_ARM_REG_R0 (0)
|
|
#define ASM_ARM_REG_R1 (1)
|
|
#define ASM_ARM_REG_R2 (2)
|
|
#define ASM_ARM_REG_R3 (3)
|
|
#define ASM_ARM_REG_R4 (4)
|
|
#define ASM_ARM_REG_R5 (5)
|
|
#define ASM_ARM_REG_R6 (6)
|
|
#define ASM_ARM_REG_R7 (7)
|
|
#define ASM_ARM_REG_R8 (8)
|
|
#define ASM_ARM_REG_R9 (9)
|
|
#define ASM_ARM_REG_R10 (10)
|
|
#define ASM_ARM_REG_R11 (11)
|
|
#define ASM_ARM_REG_R12 (12)
|
|
#define ASM_ARM_REG_R13 (13)
|
|
#define ASM_ARM_REG_R14 (14)
|
|
#define ASM_ARM_REG_R15 (15)
|
|
#define ASM_ARM_REG_SP (ASM_ARM_REG_R13)
|
|
#define ASM_ARM_REG_LR (ASM_ARM_REG_R14)
|
|
#define ASM_ARM_REG_PC (ASM_ARM_REG_R15)
|
|
|
|
#define ASM_ARM_CC_EQ (0x0 << 28)
|
|
#define ASM_ARM_CC_NE (0x1 << 28)
|
|
#define ASM_ARM_CC_CS (0x2 << 28)
|
|
#define ASM_ARM_CC_CC (0x3 << 28)
|
|
#define ASM_ARM_CC_MI (0x4 << 28)
|
|
#define ASM_ARM_CC_PL (0x5 << 28)
|
|
#define ASM_ARM_CC_VS (0x6 << 28)
|
|
#define ASM_ARM_CC_VC (0x7 << 28)
|
|
#define ASM_ARM_CC_HI (0x8 << 28)
|
|
#define ASM_ARM_CC_LS (0x9 << 28)
|
|
#define ASM_ARM_CC_GE (0xa << 28)
|
|
#define ASM_ARM_CC_LT (0xb << 28)
|
|
#define ASM_ARM_CC_GT (0xc << 28)
|
|
#define ASM_ARM_CC_LE (0xd << 28)
|
|
#define ASM_ARM_CC_AL (0xe << 28)
|
|
|
|
typedef struct _asm_arm_t {
|
|
mp_asm_base_t base;
|
|
uint push_reglist;
|
|
uint stack_adjust;
|
|
} asm_arm_t;
|
|
|
|
void asm_arm_end_pass(asm_arm_t *as);
|
|
|
|
void asm_arm_entry(asm_arm_t *as, int num_locals);
|
|
void asm_arm_exit(asm_arm_t *as);
|
|
|
|
void asm_arm_bkpt(asm_arm_t *as);
|
|
|
|
// mov
|
|
void asm_arm_mov_reg_reg(asm_arm_t *as, uint reg_dest, uint reg_src);
|
|
void asm_arm_mov_reg_i32(asm_arm_t *as, uint rd, int imm);
|
|
void asm_arm_mov_local_reg(asm_arm_t *as, int local_num, uint rd);
|
|
void asm_arm_mov_reg_local(asm_arm_t *as, uint rd, int local_num);
|
|
void asm_arm_setcc_reg(asm_arm_t *as, uint rd, uint cond);
|
|
|
|
// compare
|
|
void asm_arm_cmp_reg_i8(asm_arm_t *as, uint rd, int imm);
|
|
void asm_arm_cmp_reg_reg(asm_arm_t *as, uint rd, uint rn);
|
|
|
|
// arithmetic
|
|
void asm_arm_add_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm);
|
|
void asm_arm_sub_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm);
|
|
void asm_arm_mul_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm);
|
|
void asm_arm_and_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm);
|
|
void asm_arm_eor_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm);
|
|
void asm_arm_orr_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm);
|
|
void asm_arm_mov_reg_local_addr(asm_arm_t *as, uint rd, int local_num);
|
|
void asm_arm_lsl_reg_reg(asm_arm_t *as, uint rd, uint rs);
|
|
void asm_arm_asr_reg_reg(asm_arm_t *as, uint rd, uint rs);
|
|
|
|
// memory
|
|
void asm_arm_ldr_reg_reg(asm_arm_t *as, uint rd, uint rn, uint byte_offset);
|
|
void asm_arm_ldrh_reg_reg(asm_arm_t *as, uint rd, uint rn);
|
|
void asm_arm_ldrb_reg_reg(asm_arm_t *as, uint rd, uint rn);
|
|
void asm_arm_str_reg_reg(asm_arm_t *as, uint rd, uint rm, uint byte_offset);
|
|
void asm_arm_strh_reg_reg(asm_arm_t *as, uint rd, uint rm);
|
|
void asm_arm_strb_reg_reg(asm_arm_t *as, uint rd, uint rm);
|
|
// store to array
|
|
void asm_arm_str_reg_reg_reg(asm_arm_t *as, uint rd, uint rm, uint rn);
|
|
void asm_arm_strh_reg_reg_reg(asm_arm_t *as, uint rd, uint rm, uint rn);
|
|
void asm_arm_strb_reg_reg_reg(asm_arm_t *as, uint rd, uint rm, uint rn);
|
|
|
|
// stack
|
|
void asm_arm_push(asm_arm_t *as, uint reglist);
|
|
void asm_arm_pop(asm_arm_t *as, uint reglist);
|
|
|
|
// control flow
|
|
void asm_arm_bcc_label(asm_arm_t *as, int cond, uint label);
|
|
void asm_arm_b_label(asm_arm_t *as, uint label);
|
|
void asm_arm_bl_ind(asm_arm_t *as, void *fun_ptr, uint fun_id, uint reg_temp);
|
|
|
|
#if GENERIC_ASM_API
|
|
|
|
// The following macros provide a (mostly) arch-independent API to
|
|
// generate native code, and are used by the native emitter.
|
|
|
|
#define ASM_WORD_SIZE (4)
|
|
|
|
#define REG_RET ASM_ARM_REG_R0
|
|
#define REG_ARG_1 ASM_ARM_REG_R0
|
|
#define REG_ARG_2 ASM_ARM_REG_R1
|
|
#define REG_ARG_3 ASM_ARM_REG_R2
|
|
#define REG_ARG_4 ASM_ARM_REG_R3
|
|
|
|
#define REG_TEMP0 ASM_ARM_REG_R0
|
|
#define REG_TEMP1 ASM_ARM_REG_R1
|
|
#define REG_TEMP2 ASM_ARM_REG_R2
|
|
|
|
#define REG_LOCAL_1 ASM_ARM_REG_R4
|
|
#define REG_LOCAL_2 ASM_ARM_REG_R5
|
|
#define REG_LOCAL_3 ASM_ARM_REG_R6
|
|
#define REG_LOCAL_NUM (3)
|
|
|
|
#define ASM_T asm_arm_t
|
|
#define ASM_END_PASS asm_arm_end_pass
|
|
#define ASM_ENTRY asm_arm_entry
|
|
#define ASM_EXIT asm_arm_exit
|
|
|
|
#define ASM_JUMP asm_arm_b_label
|
|
#define ASM_JUMP_IF_REG_ZERO(as, reg, label) \
|
|
do { \
|
|
asm_arm_cmp_reg_i8(as, reg, 0); \
|
|
asm_arm_bcc_label(as, ASM_ARM_CC_EQ, label); \
|
|
} while (0)
|
|
#define ASM_JUMP_IF_REG_NONZERO(as, reg, label) \
|
|
do { \
|
|
asm_arm_cmp_reg_i8(as, reg, 0); \
|
|
asm_arm_bcc_label(as, ASM_ARM_CC_NE, label); \
|
|
} while (0)
|
|
#define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \
|
|
do { \
|
|
asm_arm_cmp_reg_reg(as, reg1, reg2); \
|
|
asm_arm_bcc_label(as, ASM_ARM_CC_EQ, label); \
|
|
} while (0)
|
|
#define ASM_CALL_IND(as, ptr, idx) asm_arm_bl_ind(as, ptr, idx, ASM_ARM_REG_R3)
|
|
|
|
#define ASM_MOV_REG_TO_LOCAL(as, reg, local_num) asm_arm_mov_local_reg(as, (local_num), (reg))
|
|
#define ASM_MOV_IMM_TO_REG(as, imm, reg) asm_arm_mov_reg_i32(as, (reg), (imm))
|
|
#define ASM_MOV_ALIGNED_IMM_TO_REG(as, imm, reg) asm_arm_mov_reg_i32(as, (reg), (imm))
|
|
#define ASM_MOV_IMM_TO_LOCAL_USING(as, imm, local_num, reg_temp) \
|
|
do { \
|
|
asm_arm_mov_reg_i32(as, (reg_temp), (imm)); \
|
|
asm_arm_mov_local_reg(as, (local_num), (reg_temp)); \
|
|
} while (false)
|
|
#define ASM_MOV_LOCAL_TO_REG(as, local_num, reg) asm_arm_mov_reg_local(as, (reg), (local_num))
|
|
#define ASM_MOV_REG_REG(as, reg_dest, reg_src) asm_arm_mov_reg_reg((as), (reg_dest), (reg_src))
|
|
#define ASM_MOV_LOCAL_ADDR_TO_REG(as, local_num, reg) asm_arm_mov_reg_local_addr(as, (reg), (local_num))
|
|
|
|
#define ASM_LSL_REG_REG(as, reg_dest, reg_shift) asm_arm_lsl_reg_reg((as), (reg_dest), (reg_shift))
|
|
#define ASM_ASR_REG_REG(as, reg_dest, reg_shift) asm_arm_asr_reg_reg((as), (reg_dest), (reg_shift))
|
|
#define ASM_OR_REG_REG(as, reg_dest, reg_src) asm_arm_orr_reg_reg_reg((as), (reg_dest), (reg_dest), (reg_src))
|
|
#define ASM_XOR_REG_REG(as, reg_dest, reg_src) asm_arm_eor_reg_reg_reg((as), (reg_dest), (reg_dest), (reg_src))
|
|
#define ASM_AND_REG_REG(as, reg_dest, reg_src) asm_arm_and_reg_reg_reg((as), (reg_dest), (reg_dest), (reg_src))
|
|
#define ASM_ADD_REG_REG(as, reg_dest, reg_src) asm_arm_add_reg_reg_reg((as), (reg_dest), (reg_dest), (reg_src))
|
|
#define ASM_SUB_REG_REG(as, reg_dest, reg_src) asm_arm_sub_reg_reg_reg((as), (reg_dest), (reg_dest), (reg_src))
|
|
#define ASM_MUL_REG_REG(as, reg_dest, reg_src) asm_arm_mul_reg_reg_reg((as), (reg_dest), (reg_dest), (reg_src))
|
|
|
|
#define ASM_LOAD_REG_REG(as, reg_dest, reg_base) asm_arm_ldr_reg_reg((as), (reg_dest), (reg_base), 0)
|
|
#define ASM_LOAD_REG_REG_OFFSET(as, reg_dest, reg_base, word_offset) asm_arm_ldr_reg_reg((as), (reg_dest), (reg_base), 4 * (word_offset))
|
|
#define ASM_LOAD8_REG_REG(as, reg_dest, reg_base) asm_arm_ldrb_reg_reg((as), (reg_dest), (reg_base))
|
|
#define ASM_LOAD16_REG_REG(as, reg_dest, reg_base) asm_arm_ldrh_reg_reg((as), (reg_dest), (reg_base))
|
|
#define ASM_LOAD32_REG_REG(as, reg_dest, reg_base) asm_arm_ldr_reg_reg((as), (reg_dest), (reg_base), 0)
|
|
|
|
#define ASM_STORE_REG_REG(as, reg_value, reg_base) asm_arm_str_reg_reg((as), (reg_value), (reg_base), 0)
|
|
#define ASM_STORE_REG_REG_OFFSET(as, reg_dest, reg_base, word_offset) asm_arm_str_reg_reg((as), (reg_dest), (reg_base), 4 * (word_offset))
|
|
#define ASM_STORE8_REG_REG(as, reg_value, reg_base) asm_arm_strb_reg_reg((as), (reg_value), (reg_base))
|
|
#define ASM_STORE16_REG_REG(as, reg_value, reg_base) asm_arm_strh_reg_reg((as), (reg_value), (reg_base))
|
|
#define ASM_STORE32_REG_REG(as, reg_value, reg_base) asm_arm_str_reg_reg((as), (reg_value), (reg_base), 0)
|
|
|
|
#endif // GENERIC_ASM_API
|
|
|
|
#endif // MICROPY_INCLUDED_PY_ASMARM_H
|