diff options
| -rw-r--r-- | lib/utils/gchelper_m3.s | 73 |
1 files changed, 33 insertions, 40 deletions
diff --git a/lib/utils/gchelper_m3.s b/lib/utils/gchelper_m3.s index 6baedcdd0..5220fa088 100644 --- a/lib/utils/gchelper_m3.s +++ b/lib/utils/gchelper_m3.s @@ -1,14 +1,40 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * 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. + */ + .syntax unified - .cpu cortex-m4 + .cpu cortex-m3 .thumb - .text + + .section .text .align 2 -@ uint gc_helper_get_regs_and_sp(r0=uint regs[10]) .global gc_helper_get_regs_and_sp - .thumb - .thumb_func - .type gc_helper_get_regs_and_sp, %function + .type gc_helper_get_regs_and_sp, %function + +@ uint gc_helper_get_regs_and_sp(r0=uint regs[10]) gc_helper_get_regs_and_sp: @ store registers into given array str r4, [r0], #4 @@ -26,37 +52,4 @@ gc_helper_get_regs_and_sp: mov r0, sp bx lr - -@ this next function is now obsolete - - .size gc_helper_get_regs_and_clean_stack, .-gc_helper_get_regs_and_clean_stack -@ void gc_helper_get_regs_and_clean_stack(r0=uint regs[10], r1=heap_end) - .global gc_helper_get_regs_and_clean_stack - .thumb - .thumb_func - .type gc_helper_get_regs_and_clean_stack, %function -gc_helper_get_regs_and_clean_stack: - @ store registers into given array - str r4, [r0], #4 - str r5, [r0], #4 - str r6, [r0], #4 - str r7, [r0], #4 - str r8, [r0], #4 - str r9, [r0], #4 - str r10, [r0], #4 - str r11, [r0], #4 - str r12, [r0], #4 - str r13, [r0], #4 - - @ clean the stack from given pointer up to current sp - movs r0, #0 - mov r2, sp - b.n .entry -.loop: - str r0, [r1], #4 -.entry: - cmp r1, r2 - bcc.n .loop - bx lr - - .size gc_helper_get_regs_and_clean_stack, .-gc_helper_get_regs_and_clean_stack + .size gc_helper_get_regs_and_sp, .-gc_helper_get_regs_and_sp |