/* * 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_mov_reg_pcrel(asm_arm_t *as, uint reg_dest, uint label); 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); void asm_arm_bx_reg(asm_arm_t *as, uint reg_src); #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, bool_test) \ 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, bool_test) \ 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_JUMP_REG(as, reg) asm_arm_bx_reg((as), (reg)) #define ASM_CALL_IND(as, ptr, idx) asm_arm_bl_ind(as, ptr, idx, ASM_ARM_REG_R3) #define ASM_MOV_LOCAL_REG(as, local_num, reg_src) asm_arm_mov_local_reg((as), (local_num), (reg_src)) #define ASM_MOV_REG_IMM(as, reg_dest, imm) asm_arm_mov_reg_i32((as), (reg_dest), (imm)) #define ASM_MOV_REG_LOCAL(as, reg_dest, local_num) asm_arm_mov_reg_local((as), (reg_dest), (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_REG_LOCAL_ADDR(as, reg_dest, local_num) asm_arm_mov_reg_local_addr((as), (reg_dest), (local_num)) #define ASM_MOV_REG_PCREL(as, reg_dest, label) asm_arm_mov_reg_pcrel((as), (reg_dest), (label)) #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