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Diffstat (limited to 'py/asmarm.h')
-rw-r--r-- | py/asmarm.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/py/asmarm.h b/py/asmarm.h new file mode 100644 index 000000000..c68800398 --- /dev/null +++ b/py/asmarm.h @@ -0,0 +1,104 @@ +/* + * This file is part of the Micro Python 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. + */ + +#define ASM_ARM_PASS_COMPUTE (1) +#define ASM_ARM_PASS_EMIT (2) + +#define REG_R0 (0) +#define REG_R1 (1) +#define REG_R2 (2) +#define REG_R3 (3) +#define REG_R4 (4) +#define REG_R5 (5) +#define REG_R6 (6) +#define REG_R7 (7) +#define REG_R8 (8) +#define REG_R9 (9) +#define REG_R10 (10) +#define REG_R11 (11) +#define REG_R12 (12) +#define REG_R13 (13) +#define REG_R14 (14) +#define REG_R15 (15) +#define REG_SP (REG_R13) +#define REG_LR (REG_R14) +#define REG_PC (REG_R15) + +#define REG_RET REG_R0 +#define REG_ARG_1 REG_R0 +#define REG_ARG_2 REG_R1 +#define REG_ARG_3 REG_R2 +#define REG_ARG_4 REG_R3 + +#define ARM_CC_EQ (0x0 << 28) +#define ARM_CC_NE (0x1 << 28) +#define ARM_CC_CS (0x2 << 28) +#define ARM_CC_CC (0x3 << 28) +#define ARM_CC_MI (0x4 << 28) +#define ARM_CC_PL (0x5 << 28) +#define ARM_CC_VS (0x6 << 28) +#define ARM_CC_VC (0x7 << 28) +#define ARM_CC_HI (0x8 << 28) +#define ARM_CC_LS (0x9 << 28) +#define ARM_CC_GE (0xa << 28) +#define ARM_CC_LT (0xb << 28) +#define ARM_CC_GT (0xc << 28) +#define ARM_CC_LE (0xd << 28) +#define ARM_CC_AL (0xe << 28) + +typedef struct _asm_arm_t asm_arm_t; + +asm_arm_t *asm_arm_new(uint max_num_labels); +void asm_arm_free(asm_arm_t *as, bool free_code); +void asm_arm_start_pass(asm_arm_t *as, uint pass); +void asm_arm_end_pass(asm_arm_t *as); +uint asm_arm_get_code_size(asm_arm_t *as); +void *asm_arm_get_code(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_label_assign(asm_arm_t *as, uint label); + +void asm_arm_align(asm_arm_t* as, uint align); +void asm_arm_data(asm_arm_t* as, uint bytesize, uint val); + +void asm_arm_bkpt(asm_arm_t *as); +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_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); +void asm_arm_less_op(asm_arm_t *as, uint rd, uint rn); +void asm_arm_add_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_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); + |