29 lines
631 B
ArmAsm
29 lines
631 B
ArmAsm
.syntax unified
|
|
.cpu cortex-m33
|
|
.thumb
|
|
.text
|
|
.align 2
|
|
|
|
@ uint cpu_get_regs_and_sp(r0=uint regs[10])
|
|
.global cpu_get_regs_and_sp
|
|
.thumb
|
|
.thumb_func
|
|
.type cpu_get_regs_and_sp, %function
|
|
cpu_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
|
|
@Move stack pointer to return register
|
|
mov r0, sp
|
|
@Branch to link register (return address) and change instruction set if needed
|
|
bx lr
|