1 | /* |
2 | * This file is part of the MicroPython project, http://micropython.org/ |
3 | * |
4 | * The MIT License (MIT) |
5 | * |
6 | * Copyright (c) 2016 Damien P. George |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal |
10 | * in the Software without restriction, including without limitation the rights |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
12 | * copies of the Software, and to permit persons to whom the Software is |
13 | * furnished to do so, subject to the following conditions: |
14 | * |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. |
17 | * |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
24 | * THE SOFTWARE. |
25 | */ |
26 | #ifndef MICROPY_INCLUDED_PY_ASMXTENSA_H |
27 | #define MICROPY_INCLUDED_PY_ASMXTENSA_H |
28 | |
29 | #include "py/misc.h" |
30 | #include "py/asmbase.h" |
31 | |
32 | // calling conventions: |
33 | // up to 6 args in a2-a7 |
34 | // return value in a2 |
35 | // PC stored in a0 |
36 | // stack pointer is a1, stack full descending, is aligned to 16 bytes |
37 | // callee save: a1, a12, a13, a14, a15 |
38 | // caller save: a3 |
39 | |
40 | // With windowed registers, size 8: |
41 | // - a0: return PC |
42 | // - a1: stack pointer, full descending, aligned to 16 bytes |
43 | // - a2-a7: incoming args, and essentially callee save |
44 | // - a2: return value |
45 | // - a8-a15: caller save temporaries |
46 | // - a10-a15: input args to called function |
47 | // - a10: return value of called function |
48 | // note: a0-a7 are saved automatically via window shift of called function |
49 | |
50 | #define ASM_XTENSA_REG_A0 (0) |
51 | #define ASM_XTENSA_REG_A1 (1) |
52 | #define ASM_XTENSA_REG_A2 (2) |
53 | #define ASM_XTENSA_REG_A3 (3) |
54 | #define ASM_XTENSA_REG_A4 (4) |
55 | #define ASM_XTENSA_REG_A5 (5) |
56 | #define ASM_XTENSA_REG_A6 (6) |
57 | #define ASM_XTENSA_REG_A7 (7) |
58 | #define ASM_XTENSA_REG_A8 (8) |
59 | #define ASM_XTENSA_REG_A9 (9) |
60 | #define ASM_XTENSA_REG_A10 (10) |
61 | #define ASM_XTENSA_REG_A11 (11) |
62 | #define ASM_XTENSA_REG_A12 (12) |
63 | #define ASM_XTENSA_REG_A13 (13) |
64 | #define ASM_XTENSA_REG_A14 (14) |
65 | #define ASM_XTENSA_REG_A15 (15) |
66 | |
67 | // for bccz |
68 | #define ASM_XTENSA_CCZ_EQ (0) |
69 | #define ASM_XTENSA_CCZ_NE (1) |
70 | |
71 | // for bcc and setcc |
72 | #define ASM_XTENSA_CC_NONE (0) |
73 | #define ASM_XTENSA_CC_EQ (1) |
74 | #define ASM_XTENSA_CC_LT (2) |
75 | #define ASM_XTENSA_CC_LTU (3) |
76 | #define ASM_XTENSA_CC_ALL (4) |
77 | #define ASM_XTENSA_CC_BC (5) |
78 | #define ASM_XTENSA_CC_ANY (8) |
79 | #define ASM_XTENSA_CC_NE (9) |
80 | #define ASM_XTENSA_CC_GE (10) |
81 | #define ASM_XTENSA_CC_GEU (11) |
82 | #define ASM_XTENSA_CC_NALL (12) |
83 | #define ASM_XTENSA_CC_BS (13) |
84 | |
85 | // macros for encoding instructions (little endian versions) |
86 | #define ASM_XTENSA_ENCODE_RRR(op0, op1, op2, r, s, t) \ |
87 | ((((uint32_t)op2) << 20) | (((uint32_t)op1) << 16) | ((r) << 12) | ((s) << 8) | ((t) << 4) | (op0)) |
88 | #define ASM_XTENSA_ENCODE_RRI4(op0, op1, r, s, t, imm4) \ |
89 | (((imm4) << 20) | ((op1) << 16) | ((r) << 12) | ((s) << 8) | ((t) << 4) | (op0)) |
90 | #define ASM_XTENSA_ENCODE_RRI8(op0, r, s, t, imm8) \ |
91 | ((((uint32_t)imm8) << 16) | ((r) << 12) | ((s) << 8) | ((t) << 4) | (op0)) |
92 | #define ASM_XTENSA_ENCODE_RI16(op0, t, imm16) \ |
93 | (((imm16) << 8) | ((t) << 4) | (op0)) |
94 | #define ASM_XTENSA_ENCODE_RSR(op0, op1, op2, rs, t) \ |
95 | (((op2) << 20) | ((op1) << 16) | ((rs) << 8) | ((t) << 4) | (op0)) |
96 | #define ASM_XTENSA_ENCODE_CALL(op0, n, offset) \ |
97 | (((offset) << 6) | ((n) << 4) | (op0)) |
98 | #define ASM_XTENSA_ENCODE_CALLX(op0, op1, op2, r, s, m, n) \ |
99 | ((((uint32_t)op2) << 20) | (((uint32_t)op1) << 16) | ((r) << 12) | ((s) << 8) | ((m) << 6) | ((n) << 4) | (op0)) |
100 | #define ASM_XTENSA_ENCODE_BRI8(op0, r, s, m, n, imm8) \ |
101 | (((imm8) << 16) | ((r) << 12) | ((s) << 8) | ((m) << 6) | ((n) << 4) | (op0)) |
102 | #define ASM_XTENSA_ENCODE_BRI12(op0, s, m, n, imm12) \ |
103 | (((imm12) << 12) | ((s) << 8) | ((m) << 6) | ((n) << 4) | (op0)) |
104 | #define ASM_XTENSA_ENCODE_RRRN(op0, r, s, t) \ |
105 | (((r) << 12) | ((s) << 8) | ((t) << 4) | (op0)) |
106 | #define ASM_XTENSA_ENCODE_RI7(op0, s, imm7) \ |
107 | ((((imm7) & 0xf) << 12) | ((s) << 8) | ((imm7) & 0x70) | (op0)) |
108 | |
109 | // Number of registers saved on the stack upon entry to function |
110 | #define ASM_XTENSA_NUM_REGS_SAVED (5) |
111 | #define ASM_XTENSA_NUM_REGS_SAVED_WIN (1) |
112 | |
113 | typedef struct _asm_xtensa_t { |
114 | mp_asm_base_t base; |
115 | uint32_t cur_const; |
116 | uint32_t num_const; |
117 | uint32_t *const_table; |
118 | uint32_t stack_adjust; |
119 | } asm_xtensa_t; |
120 | |
121 | void asm_xtensa_end_pass(asm_xtensa_t *as); |
122 | |
123 | void asm_xtensa_entry(asm_xtensa_t *as, int num_locals); |
124 | void asm_xtensa_exit(asm_xtensa_t *as); |
125 | |
126 | void asm_xtensa_entry_win(asm_xtensa_t *as, int num_locals); |
127 | void asm_xtensa_exit_win(asm_xtensa_t *as); |
128 | |
129 | void asm_xtensa_op16(asm_xtensa_t *as, uint16_t op); |
130 | void asm_xtensa_op24(asm_xtensa_t *as, uint32_t op); |
131 | |
132 | // raw instructions |
133 | |
134 | static inline void asm_xtensa_op_entry(asm_xtensa_t *as, uint reg_src, int32_t num_bytes) { |
135 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_BRI12(6, reg_src, 0, 3, (num_bytes / 8) & 0xfff)); |
136 | } |
137 | |
138 | static inline void asm_xtensa_op_add_n(asm_xtensa_t *as, uint reg_dest, uint reg_src_a, uint reg_src_b) { |
139 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RRRN(10, reg_dest, reg_src_a, reg_src_b)); |
140 | } |
141 | |
142 | static inline void asm_xtensa_op_addi(asm_xtensa_t *as, uint reg_dest, uint reg_src, int imm8) { |
143 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 12, reg_src, reg_dest, imm8 & 0xff)); |
144 | } |
145 | |
146 | static inline void asm_xtensa_op_and(asm_xtensa_t *as, uint reg_dest, uint reg_src_a, uint reg_src_b) { |
147 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 0, 1, reg_dest, reg_src_a, reg_src_b)); |
148 | } |
149 | |
150 | static inline void asm_xtensa_op_bcc(asm_xtensa_t *as, uint cond, uint reg_src1, uint reg_src2, int32_t rel8) { |
151 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(7, cond, reg_src1, reg_src2, rel8 & 0xff)); |
152 | } |
153 | |
154 | static inline void asm_xtensa_op_bccz(asm_xtensa_t *as, uint cond, uint reg_src, int32_t rel12) { |
155 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_BRI12(6, reg_src, cond, 1, rel12 & 0xfff)); |
156 | } |
157 | |
158 | static inline void asm_xtensa_op_call0(asm_xtensa_t *as, int32_t rel18) { |
159 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_CALL(5, 0, rel18 & 0x3ffff)); |
160 | } |
161 | |
162 | static inline void asm_xtensa_op_callx0(asm_xtensa_t *as, uint reg) { |
163 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_CALLX(0, 0, 0, 0, reg, 3, 0)); |
164 | } |
165 | |
166 | static inline void asm_xtensa_op_callx8(asm_xtensa_t *as, uint reg) { |
167 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_CALLX(0, 0, 0, 0, reg, 3, 2)); |
168 | } |
169 | |
170 | static inline void asm_xtensa_op_j(asm_xtensa_t *as, int32_t rel18) { |
171 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_CALL(6, 0, rel18 & 0x3ffff)); |
172 | } |
173 | |
174 | static inline void asm_xtensa_op_jx(asm_xtensa_t *as, uint reg) { |
175 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_CALLX(0, 0, 0, 0, reg, 2, 2)); |
176 | } |
177 | |
178 | static inline void asm_xtensa_op_l8ui(asm_xtensa_t *as, uint reg_dest, uint reg_base, uint byte_offset) { |
179 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 0, reg_base, reg_dest, byte_offset & 0xff)); |
180 | } |
181 | |
182 | static inline void asm_xtensa_op_l16ui(asm_xtensa_t *as, uint reg_dest, uint reg_base, uint half_word_offset) { |
183 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 1, reg_base, reg_dest, half_word_offset & 0xff)); |
184 | } |
185 | |
186 | static inline void asm_xtensa_op_l32i(asm_xtensa_t *as, uint reg_dest, uint reg_base, uint word_offset) { |
187 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 2, reg_base, reg_dest, word_offset & 0xff)); |
188 | } |
189 | |
190 | static inline void asm_xtensa_op_l32i_n(asm_xtensa_t *as, uint reg_dest, uint reg_base, uint word_offset) { |
191 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RRRN(8, word_offset & 0xf, reg_base, reg_dest)); |
192 | } |
193 | |
194 | static inline void asm_xtensa_op_l32r(asm_xtensa_t *as, uint reg_dest, uint32_t op_off, uint32_t dest_off) { |
195 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RI16(1, reg_dest, ((dest_off - ((op_off + 3) & ~3)) >> 2) & 0xffff)); |
196 | } |
197 | |
198 | static inline void asm_xtensa_op_mov_n(asm_xtensa_t *as, uint reg_dest, uint reg_src) { |
199 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RRRN(13, 0, reg_src, reg_dest)); |
200 | } |
201 | |
202 | static inline void asm_xtensa_op_movi(asm_xtensa_t *as, uint reg_dest, int32_t imm12) { |
203 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 10, (imm12 >> 8) & 0xf, reg_dest, imm12 & 0xff)); |
204 | } |
205 | |
206 | static inline void asm_xtensa_op_movi_n(asm_xtensa_t *as, uint reg_dest, int imm4) { |
207 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RI7(12, reg_dest, imm4)); |
208 | } |
209 | |
210 | static inline void asm_xtensa_op_mull(asm_xtensa_t *as, uint reg_dest, uint reg_src_a, uint reg_src_b) { |
211 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 2, 8, reg_dest, reg_src_a, reg_src_b)); |
212 | } |
213 | |
214 | static inline void asm_xtensa_op_or(asm_xtensa_t *as, uint reg_dest, uint reg_src_a, uint reg_src_b) { |
215 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 0, 2, reg_dest, reg_src_a, reg_src_b)); |
216 | } |
217 | |
218 | static inline void asm_xtensa_op_ret_n(asm_xtensa_t *as) { |
219 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RRRN(13, 15, 0, 0)); |
220 | } |
221 | |
222 | static inline void asm_xtensa_op_retw_n(asm_xtensa_t *as) { |
223 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RRRN(13, 15, 0, 1)); |
224 | } |
225 | |
226 | static inline void asm_xtensa_op_s8i(asm_xtensa_t *as, uint reg_src, uint reg_base, uint byte_offset) { |
227 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 4, reg_base, reg_src, byte_offset & 0xff)); |
228 | } |
229 | |
230 | static inline void asm_xtensa_op_s16i(asm_xtensa_t *as, uint reg_src, uint reg_base, uint half_word_offset) { |
231 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 5, reg_base, reg_src, half_word_offset & 0xff)); |
232 | } |
233 | |
234 | static inline void asm_xtensa_op_s32i(asm_xtensa_t *as, uint reg_src, uint reg_base, uint word_offset) { |
235 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRI8(2, 6, reg_base, reg_src, word_offset & 0xff)); |
236 | } |
237 | |
238 | static inline void asm_xtensa_op_s32i_n(asm_xtensa_t *as, uint reg_src, uint reg_base, uint word_offset) { |
239 | asm_xtensa_op16(as, ASM_XTENSA_ENCODE_RRRN(9, word_offset & 0xf, reg_base, reg_src)); |
240 | } |
241 | |
242 | static inline void asm_xtensa_op_sll(asm_xtensa_t *as, uint reg_dest, uint reg_src) { |
243 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 1, 10, reg_dest, reg_src, 0)); |
244 | } |
245 | |
246 | static inline void asm_xtensa_op_srl(asm_xtensa_t *as, uint reg_dest, uint reg_src) { |
247 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 1, 9, reg_dest, 0, reg_src)); |
248 | } |
249 | |
250 | static inline void asm_xtensa_op_sra(asm_xtensa_t *as, uint reg_dest, uint reg_src) { |
251 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 1, 11, reg_dest, 0, reg_src)); |
252 | } |
253 | |
254 | static inline void asm_xtensa_op_ssl(asm_xtensa_t *as, uint reg_src) { |
255 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 0, 4, 1, reg_src, 0)); |
256 | } |
257 | |
258 | static inline void asm_xtensa_op_ssr(asm_xtensa_t *as, uint reg_src) { |
259 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 0, 4, 0, reg_src, 0)); |
260 | } |
261 | |
262 | static inline void asm_xtensa_op_sub(asm_xtensa_t *as, uint reg_dest, uint reg_src_a, uint reg_src_b) { |
263 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 0, 12, reg_dest, reg_src_a, reg_src_b)); |
264 | } |
265 | |
266 | static inline void asm_xtensa_op_xor(asm_xtensa_t *as, uint reg_dest, uint reg_src_a, uint reg_src_b) { |
267 | asm_xtensa_op24(as, ASM_XTENSA_ENCODE_RRR(0, 0, 3, reg_dest, reg_src_a, reg_src_b)); |
268 | } |
269 | |
270 | // convenience functions |
271 | void asm_xtensa_j_label(asm_xtensa_t *as, uint label); |
272 | void asm_xtensa_bccz_reg_label(asm_xtensa_t *as, uint cond, uint reg, uint label); |
273 | void asm_xtensa_bcc_reg_reg_label(asm_xtensa_t *as, uint cond, uint reg1, uint reg2, uint label); |
274 | void asm_xtensa_setcc_reg_reg_reg(asm_xtensa_t *as, uint cond, uint reg_dest, uint reg_src1, uint reg_src2); |
275 | size_t asm_xtensa_mov_reg_i32(asm_xtensa_t *as, uint reg_dest, uint32_t i32); |
276 | void asm_xtensa_mov_reg_i32_optimised(asm_xtensa_t *as, uint reg_dest, uint32_t i32); |
277 | void asm_xtensa_mov_local_reg(asm_xtensa_t *as, int local_num, uint reg_src); |
278 | void asm_xtensa_mov_reg_local(asm_xtensa_t *as, uint reg_dest, int local_num); |
279 | void asm_xtensa_mov_reg_local_addr(asm_xtensa_t *as, uint reg_dest, int local_num); |
280 | void asm_xtensa_mov_reg_pcrel(asm_xtensa_t *as, uint reg_dest, uint label); |
281 | void asm_xtensa_call_ind(asm_xtensa_t *as, uint idx); |
282 | void asm_xtensa_call_ind_win(asm_xtensa_t *as, uint idx); |
283 | |
284 | // Holds a pointer to mp_fun_table |
285 | #define ASM_XTENSA_REG_FUN_TABLE ASM_XTENSA_REG_A15 |
286 | #define ASM_XTENSA_REG_FUN_TABLE_WIN ASM_XTENSA_REG_A7 |
287 | |
288 | #if GENERIC_ASM_API |
289 | |
290 | // The following macros provide a (mostly) arch-independent API to |
291 | // generate native code, and are used by the native emitter. |
292 | |
293 | #define ASM_WORD_SIZE (4) |
294 | |
295 | #if !GENERIC_ASM_API_WIN |
296 | // Configuration for non-windowed calls |
297 | |
298 | #define REG_RET ASM_XTENSA_REG_A2 |
299 | #define REG_ARG_1 ASM_XTENSA_REG_A2 |
300 | #define REG_ARG_2 ASM_XTENSA_REG_A3 |
301 | #define REG_ARG_3 ASM_XTENSA_REG_A4 |
302 | #define REG_ARG_4 ASM_XTENSA_REG_A5 |
303 | #define REG_ARG_5 ASM_XTENSA_REG_A6 |
304 | |
305 | #define REG_TEMP0 ASM_XTENSA_REG_A2 |
306 | #define REG_TEMP1 ASM_XTENSA_REG_A3 |
307 | #define REG_TEMP2 ASM_XTENSA_REG_A4 |
308 | |
309 | #define REG_LOCAL_1 ASM_XTENSA_REG_A12 |
310 | #define REG_LOCAL_2 ASM_XTENSA_REG_A13 |
311 | #define REG_LOCAL_3 ASM_XTENSA_REG_A14 |
312 | #define REG_LOCAL_NUM (3) |
313 | |
314 | #define ASM_NUM_REGS_SAVED ASM_XTENSA_NUM_REGS_SAVED |
315 | #define REG_FUN_TABLE ASM_XTENSA_REG_FUN_TABLE |
316 | |
317 | #define ASM_ENTRY(as, nlocal) asm_xtensa_entry((as), (nlocal)) |
318 | #define ASM_EXIT(as) asm_xtensa_exit((as)) |
319 | #define ASM_CALL_IND(as, idx) asm_xtensa_call_ind((as), (idx)) |
320 | |
321 | #else |
322 | // Configuration for windowed calls with window size 8 |
323 | |
324 | #define REG_PARENT_RET ASM_XTENSA_REG_A2 |
325 | #define REG_PARENT_ARG_1 ASM_XTENSA_REG_A2 |
326 | #define REG_PARENT_ARG_2 ASM_XTENSA_REG_A3 |
327 | #define REG_PARENT_ARG_3 ASM_XTENSA_REG_A4 |
328 | #define REG_PARENT_ARG_4 ASM_XTENSA_REG_A5 |
329 | #define REG_RET ASM_XTENSA_REG_A10 |
330 | #define REG_ARG_1 ASM_XTENSA_REG_A10 |
331 | #define REG_ARG_2 ASM_XTENSA_REG_A11 |
332 | #define REG_ARG_3 ASM_XTENSA_REG_A12 |
333 | #define REG_ARG_4 ASM_XTENSA_REG_A13 |
334 | |
335 | #define REG_TEMP0 ASM_XTENSA_REG_A10 |
336 | #define REG_TEMP1 ASM_XTENSA_REG_A11 |
337 | #define REG_TEMP2 ASM_XTENSA_REG_A12 |
338 | |
339 | #define REG_LOCAL_1 ASM_XTENSA_REG_A4 |
340 | #define REG_LOCAL_2 ASM_XTENSA_REG_A5 |
341 | #define REG_LOCAL_3 ASM_XTENSA_REG_A6 |
342 | #define REG_LOCAL_NUM (3) |
343 | |
344 | #define ASM_NUM_REGS_SAVED ASM_XTENSA_NUM_REGS_SAVED_WIN |
345 | #define REG_FUN_TABLE ASM_XTENSA_REG_FUN_TABLE_WIN |
346 | |
347 | #define ASM_ENTRY(as, nlocal) asm_xtensa_entry_win((as), (nlocal)) |
348 | #define ASM_EXIT(as) asm_xtensa_exit_win((as)) |
349 | #define ASM_CALL_IND(as, idx) asm_xtensa_call_ind_win((as), (idx)) |
350 | |
351 | #endif |
352 | |
353 | #define ASM_T asm_xtensa_t |
354 | #define ASM_END_PASS asm_xtensa_end_pass |
355 | |
356 | #define ASM_JUMP asm_xtensa_j_label |
357 | #define ASM_JUMP_IF_REG_ZERO(as, reg, label, bool_test) \ |
358 | asm_xtensa_bccz_reg_label(as, ASM_XTENSA_CCZ_EQ, reg, label) |
359 | #define ASM_JUMP_IF_REG_NONZERO(as, reg, label, bool_test) \ |
360 | asm_xtensa_bccz_reg_label(as, ASM_XTENSA_CCZ_NE, reg, label) |
361 | #define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \ |
362 | asm_xtensa_bcc_reg_reg_label(as, ASM_XTENSA_CC_EQ, reg1, reg2, label) |
363 | #define ASM_JUMP_REG(as, reg) asm_xtensa_op_jx((as), (reg)) |
364 | |
365 | #define ASM_MOV_LOCAL_REG(as, local_num, reg_src) asm_xtensa_mov_local_reg((as), ASM_NUM_REGS_SAVED + (local_num), (reg_src)) |
366 | #define ASM_MOV_REG_IMM(as, reg_dest, imm) asm_xtensa_mov_reg_i32_optimised((as), (reg_dest), (imm)) |
367 | #define ASM_MOV_REG_IMM_FIX_U16(as, reg_dest, imm) asm_xtensa_mov_reg_i32((as), (reg_dest), (imm)) |
368 | #define ASM_MOV_REG_IMM_FIX_WORD(as, reg_dest, imm) asm_xtensa_mov_reg_i32((as), (reg_dest), (imm)) |
369 | #define ASM_MOV_REG_LOCAL(as, reg_dest, local_num) asm_xtensa_mov_reg_local((as), (reg_dest), ASM_NUM_REGS_SAVED + (local_num)) |
370 | #define ASM_MOV_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_mov_n((as), (reg_dest), (reg_src)) |
371 | #define ASM_MOV_REG_LOCAL_ADDR(as, reg_dest, local_num) asm_xtensa_mov_reg_local_addr((as), (reg_dest), ASM_NUM_REGS_SAVED + (local_num)) |
372 | #define ASM_MOV_REG_PCREL(as, reg_dest, label) asm_xtensa_mov_reg_pcrel((as), (reg_dest), (label)) |
373 | |
374 | #define ASM_LSL_REG_REG(as, reg_dest, reg_shift) \ |
375 | do { \ |
376 | asm_xtensa_op_ssl((as), (reg_shift)); \ |
377 | asm_xtensa_op_sll((as), (reg_dest), (reg_dest)); \ |
378 | } while (0) |
379 | #define ASM_LSR_REG_REG(as, reg_dest, reg_shift) \ |
380 | do { \ |
381 | asm_xtensa_op_ssr((as), (reg_shift)); \ |
382 | asm_xtensa_op_srl((as), (reg_dest), (reg_dest)); \ |
383 | } while (0) |
384 | #define ASM_ASR_REG_REG(as, reg_dest, reg_shift) \ |
385 | do { \ |
386 | asm_xtensa_op_ssr((as), (reg_shift)); \ |
387 | asm_xtensa_op_sra((as), (reg_dest), (reg_dest)); \ |
388 | } while (0) |
389 | #define ASM_OR_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_or((as), (reg_dest), (reg_dest), (reg_src)) |
390 | #define ASM_XOR_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_xor((as), (reg_dest), (reg_dest), (reg_src)) |
391 | #define ASM_AND_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_and((as), (reg_dest), (reg_dest), (reg_src)) |
392 | #define ASM_ADD_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_add_n((as), (reg_dest), (reg_dest), (reg_src)) |
393 | #define ASM_SUB_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_sub((as), (reg_dest), (reg_dest), (reg_src)) |
394 | #define ASM_MUL_REG_REG(as, reg_dest, reg_src) asm_xtensa_op_mull((as), (reg_dest), (reg_dest), (reg_src)) |
395 | |
396 | #define ASM_LOAD_REG_REG_OFFSET(as, reg_dest, reg_base, word_offset) asm_xtensa_op_l32i_n((as), (reg_dest), (reg_base), (word_offset)) |
397 | #define ASM_LOAD8_REG_REG(as, reg_dest, reg_base) asm_xtensa_op_l8ui((as), (reg_dest), (reg_base), 0) |
398 | #define ASM_LOAD16_REG_REG(as, reg_dest, reg_base) asm_xtensa_op_l16ui((as), (reg_dest), (reg_base), 0) |
399 | #define ASM_LOAD32_REG_REG(as, reg_dest, reg_base) asm_xtensa_op_l32i_n((as), (reg_dest), (reg_base), 0) |
400 | |
401 | #define ASM_STORE_REG_REG_OFFSET(as, reg_dest, reg_base, word_offset) asm_xtensa_op_s32i_n((as), (reg_dest), (reg_base), (word_offset)) |
402 | #define ASM_STORE8_REG_REG(as, reg_src, reg_base) asm_xtensa_op_s8i((as), (reg_src), (reg_base), 0) |
403 | #define ASM_STORE16_REG_REG(as, reg_src, reg_base) asm_xtensa_op_s16i((as), (reg_src), (reg_base), 0) |
404 | #define ASM_STORE32_REG_REG(as, reg_src, reg_base) asm_xtensa_op_s32i_n((as), (reg_src), (reg_base), 0) |
405 | |
406 | #endif // GENERIC_ASM_API |
407 | |
408 | #endif // MICROPY_INCLUDED_PY_ASMXTENSA_H |
409 | |