29 lines
631 B
ArmAsm
29 lines
631 B
ArmAsm
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.syntax unified
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.cpu cortex-m33
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.thumb
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.text
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.align 2
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@ uint cpu_get_regs_and_sp(r0=uint regs[10])
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.global cpu_get_regs_and_sp
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.thumb
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.thumb_func
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.type cpu_get_regs_and_sp, %function
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cpu_get_regs_and_sp:
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@ store registers into given array
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str r4, [r0], #4
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str r5, [r0], #4
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str r6, [r0], #4
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str r7, [r0], #4
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str r8, [r0], #4
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str r9, [r0], #4
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str r10, [r0], #4
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str r11, [r0], #4
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str r12, [r0], #4
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str r13, [r0], #4
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@ return the sp
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@Move stack pointer to return register
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mov r0, sp
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@Branch to link register (return address) and change instruction set if needed
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bx lr
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