diff options
Diffstat (limited to 'cc3200/util/gchelper.s')
| -rw-r--r-- | cc3200/util/gchelper.s | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/cc3200/util/gchelper.s b/cc3200/util/gchelper.s new file mode 100644 index 000000000..aa8fb499e --- /dev/null +++ b/cc3200/util/gchelper.s @@ -0,0 +1,41 @@ + .syntax unified + .cpu cortex-m4 + .thumb + .text + .align 2 + + + +@ uint gc_helper_get_sp(void) + .global gc_helper_get_sp + .thumb + .thumb_func + .type gc_helper_get_sp, %function +gc_helper_get_sp: + @ return the sp + mov r0, sp + bx lr + + + +@ 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 +gc_helper_get_regs_and_sp: + @ 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 + + @ return the sp + mov r0, sp + bx lr |