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Diffstat (limited to 'py/nlrxtensa.S')
| -rw-r--r-- | py/nlrxtensa.S | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/py/nlrxtensa.S b/py/nlrxtensa.S deleted file mode 100644 index 289996cce..000000000 --- a/py/nlrxtensa.S +++ /dev/null @@ -1,116 +0,0 @@ -/* - * This file is part of the Micro Python project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 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. - */ - -#if defined(__xtensa__) - -/* - calling conventions: - a0 = return address - a1 = stack pointer - a2 = first arg, return value - a3-a7 = rest of args -*/ - -// the offset of nlr_top within mp_state_ctx_t -#define NLR_TOP_OFFSET (2 * 4) - -#define NLR_TOP (mp_state_ctx + NLR_TOP_OFFSET) - - .file "nlr.s" - .text - - .literal_position - .literal .LC0, NLR_TOP - .align 4 - .global nlr_push - .type nlr_push, @function -nlr_push: - // save regs - s32i.n a0, a2, 8 - s32i.n a1, a2, 12 - s32i.n a8, a2, 16 - s32i.n a9, a2, 20 - s32i.n a10, a2, 24 - s32i.n a11, a2, 28 - s32i.n a12, a2, 32 - s32i.n a13, a2, 36 - s32i.n a14, a2, 40 - s32i.n a15, a2, 44 - - l32r a3, .LC0 - l32i.n a4, a3, 0 - s32i.n a2, a3, 0 - s32i.n a4, a2, 0 - movi.n a2, 0 - ret.n - .size nlr_push, .-nlr_push - - .literal_position - .literal .LC1, NLR_TOP - .align 4 - .global nlr_pop - .type nlr_pop, @function -nlr_pop: - l32r a2, .LC1 - l32i.n a3, a2, 0 - l32i.n a3, a3, 0 - s32i.n a3, a2, 0 - ret.n - .size nlr_pop, .-nlr_pop - - .literal_position - .literal .LC2, NLR_TOP - .align 4 - .global nlr_jump - .type nlr_jump, @function -nlr_jump: - l32r a3, .LC2 - l32i.n a3, a3, 0 // a3 = nlr_top - bnez.n a3, .L4 - call0 nlr_jump_fail -.L4: - s32i.n a2, a3, 4 // nlr_top->ret_val = val - - // restore regs - l32i.n a0, a3, 8 - l32i.n a1, a3, 12 - l32i.n a8, a3, 16 - l32i.n a9, a3, 20 - l32i.n a10, a3, 24 - l32i.n a11, a3, 28 - l32i.n a12, a3, 32 - l32i.n a13, a3, 36 - l32i.n a14, a3, 40 - l32i.n a15, a3, 44 - - l32i.n a3, a3, 0 // a3 = nlr_top->prev - l32r a2, .LC2 - s32i.n a3, a2, 0 // nlr_top = a3 - movi.n a2, 1 // return 1 - ret.n - .size nlr_jump, .-nlr_jump - -#endif // defined(__xtensa__) |