diff options
Diffstat (limited to 'py/asmthumb.h')
| -rw-r--r-- | py/asmthumb.h | 102 |
1 files changed, 87 insertions, 15 deletions
diff --git a/py/asmthumb.h b/py/asmthumb.h index 43d6c4286f..52e663b3bd 100644 --- a/py/asmthumb.h +++ b/py/asmthumb.h @@ -27,9 +27,7 @@ #define __MICROPY_INCLUDED_PY_ASMTHUMB_H__ #include "py/misc.h" - -#define ASM_THUMB_PASS_COMPUTE (1) -#define ASM_THUMB_PASS_EMIT (2) +#include "py/asmbase.h" #define ASM_THUMB_REG_R0 (0) #define ASM_THUMB_REG_R1 (1) @@ -64,24 +62,17 @@ #define ASM_THUMB_CC_GT (0xc) #define ASM_THUMB_CC_LE (0xd) -typedef struct _asm_thumb_t asm_thumb_t; +typedef struct _asm_thumb_t { + mp_asm_base_t base; + uint32_t push_reglist; + uint32_t stack_adjust; +} asm_thumb_t; -asm_thumb_t *asm_thumb_new(uint max_num_labels); -void asm_thumb_free(asm_thumb_t *as, bool free_code); -void asm_thumb_start_pass(asm_thumb_t *as, uint pass); void asm_thumb_end_pass(asm_thumb_t *as); -uint asm_thumb_get_code_pos(asm_thumb_t *as); -uint asm_thumb_get_code_size(asm_thumb_t *as); -void *asm_thumb_get_code(asm_thumb_t *as); void asm_thumb_entry(asm_thumb_t *as, int num_locals); void asm_thumb_exit(asm_thumb_t *as); -void asm_thumb_label_assign(asm_thumb_t *as, uint label); - -void asm_thumb_align(asm_thumb_t* as, uint align); -void asm_thumb_data(asm_thumb_t* as, uint bytesize, uint val); - // argument order follows ARM, in general dest is first // note there is a difference between movw and mov.w, and many others! @@ -246,4 +237,85 @@ void asm_thumb_b_label(asm_thumb_t *as, uint label); // convenience: picks narro void asm_thumb_bcc_label(asm_thumb_t *as, int cc, uint label); // convenience: picks narrow or wide branch void asm_thumb_bl_ind(asm_thumb_t *as, void *fun_ptr, uint fun_id, uint reg_temp); // convenience +#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_THUMB_REG_R0 +#define REG_ARG_1 ASM_THUMB_REG_R0 +#define REG_ARG_2 ASM_THUMB_REG_R1 +#define REG_ARG_3 ASM_THUMB_REG_R2 +#define REG_ARG_4 ASM_THUMB_REG_R3 +// rest of args go on stack + +#define REG_TEMP0 ASM_THUMB_REG_R0 +#define REG_TEMP1 ASM_THUMB_REG_R1 +#define REG_TEMP2 ASM_THUMB_REG_R2 + +#define REG_LOCAL_1 ASM_THUMB_REG_R4 +#define REG_LOCAL_2 ASM_THUMB_REG_R5 +#define REG_LOCAL_3 ASM_THUMB_REG_R6 +#define REG_LOCAL_NUM (3) + +#define ASM_T asm_thumb_t +#define ASM_END_PASS asm_thumb_end_pass +#define ASM_ENTRY asm_thumb_entry +#define ASM_EXIT asm_thumb_exit + +#define ASM_JUMP asm_thumb_b_label +#define ASM_JUMP_IF_REG_ZERO(as, reg, label) \ + do { \ + asm_thumb_cmp_rlo_i8(as, reg, 0); \ + asm_thumb_bcc_label(as, ASM_THUMB_CC_EQ, label); \ + } while (0) +#define ASM_JUMP_IF_REG_NONZERO(as, reg, label) \ + do { \ + asm_thumb_cmp_rlo_i8(as, reg, 0); \ + asm_thumb_bcc_label(as, ASM_THUMB_CC_NE, label); \ + } while (0) +#define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \ + do { \ + asm_thumb_cmp_rlo_rlo(as, reg1, reg2); \ + asm_thumb_bcc_label(as, ASM_THUMB_CC_EQ, label); \ + } while (0) +#define ASM_CALL_IND(as, ptr, idx) asm_thumb_bl_ind(as, ptr, idx, ASM_THUMB_REG_R3) + +#define ASM_MOV_REG_TO_LOCAL(as, reg, local_num) asm_thumb_mov_local_reg(as, (local_num), (reg)) +#define ASM_MOV_IMM_TO_REG(as, imm, reg) asm_thumb_mov_reg_i32_optimised(as, (reg), (imm)) +#define ASM_MOV_ALIGNED_IMM_TO_REG(as, imm, reg) asm_thumb_mov_reg_i32_aligned(as, (reg), (imm)) +#define ASM_MOV_IMM_TO_LOCAL_USING(as, imm, local_num, reg_temp) \ + do { \ + asm_thumb_mov_reg_i32_optimised(as, (reg_temp), (imm)); \ + asm_thumb_mov_local_reg(as, (local_num), (reg_temp)); \ + } while (false) +#define ASM_MOV_LOCAL_TO_REG(as, local_num, reg) asm_thumb_mov_reg_local(as, (reg), (local_num)) +#define ASM_MOV_REG_REG(as, reg_dest, reg_src) asm_thumb_mov_reg_reg((as), (reg_dest), (reg_src)) +#define ASM_MOV_LOCAL_ADDR_TO_REG(as, local_num, reg) asm_thumb_mov_reg_local_addr(as, (reg), (local_num)) + +#define ASM_LSL_REG_REG(as, reg_dest, reg_shift) asm_thumb_format_4((as), ASM_THUMB_FORMAT_4_LSL, (reg_dest), (reg_shift)) +#define ASM_ASR_REG_REG(as, reg_dest, reg_shift) asm_thumb_format_4((as), ASM_THUMB_FORMAT_4_ASR, (reg_dest), (reg_shift)) +#define ASM_OR_REG_REG(as, reg_dest, reg_src) asm_thumb_format_4((as), ASM_THUMB_FORMAT_4_ORR, (reg_dest), (reg_src)) +#define ASM_XOR_REG_REG(as, reg_dest, reg_src) asm_thumb_format_4((as), ASM_THUMB_FORMAT_4_EOR, (reg_dest), (reg_src)) +#define ASM_AND_REG_REG(as, reg_dest, reg_src) asm_thumb_format_4((as), ASM_THUMB_FORMAT_4_AND, (reg_dest), (reg_src)) +#define ASM_ADD_REG_REG(as, reg_dest, reg_src) asm_thumb_add_rlo_rlo_rlo((as), (reg_dest), (reg_dest), (reg_src)) +#define ASM_SUB_REG_REG(as, reg_dest, reg_src) asm_thumb_sub_rlo_rlo_rlo((as), (reg_dest), (reg_dest), (reg_src)) +#define ASM_MUL_REG_REG(as, reg_dest, reg_src) asm_thumb_format_4((as), ASM_THUMB_FORMAT_4_MUL, (reg_dest), (reg_src)) + +#define ASM_LOAD_REG_REG(as, reg_dest, reg_base) asm_thumb_ldr_rlo_rlo_i5((as), (reg_dest), (reg_base), 0) +#define ASM_LOAD_REG_REG_OFFSET(as, reg_dest, reg_base, word_offset) asm_thumb_ldr_rlo_rlo_i5((as), (reg_dest), (reg_base), (word_offset)) +#define ASM_LOAD8_REG_REG(as, reg_dest, reg_base) asm_thumb_ldrb_rlo_rlo_i5((as), (reg_dest), (reg_base), 0) +#define ASM_LOAD16_REG_REG(as, reg_dest, reg_base) asm_thumb_ldrh_rlo_rlo_i5((as), (reg_dest), (reg_base), 0) +#define ASM_LOAD32_REG_REG(as, reg_dest, reg_base) asm_thumb_ldr_rlo_rlo_i5((as), (reg_dest), (reg_base), 0) + +#define ASM_STORE_REG_REG(as, reg_src, reg_base) asm_thumb_str_rlo_rlo_i5((as), (reg_src), (reg_base), 0) +#define ASM_STORE_REG_REG_OFFSET(as, reg_src, reg_base, word_offset) asm_thumb_str_rlo_rlo_i5((as), (reg_src), (reg_base), (word_offset)) +#define ASM_STORE8_REG_REG(as, reg_src, reg_base) asm_thumb_strb_rlo_rlo_i5((as), (reg_src), (reg_base), 0) +#define ASM_STORE16_REG_REG(as, reg_src, reg_base) asm_thumb_strh_rlo_rlo_i5((as), (reg_src), (reg_base), 0) +#define ASM_STORE32_REG_REG(as, reg_src, reg_base) asm_thumb_str_rlo_rlo_i5((as), (reg_src), (reg_base), 0) + +#endif // GENERIC_ASM_API + #endif // __MICROPY_INCLUDED_PY_ASMTHUMB_H__ |