17 lines
658 B
ArmAsm
17 lines
658 B
ArmAsm
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.text
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.align 2
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.global fetch_and_add_arm
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.type fetch_and_add_arm, %function
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fetch_and_add_arm:
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.int 0xee070fba # mcr 15, 0, r0, cr7, cr10, {5}
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.int 0xe1903f9f # ldrex r3, [r0]
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.int 0xe2833001 # add r3, r3, #1
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.int 0xe1802f93 # strex r2, r3, [r0]
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.int 0xe3520000 # cmp r2, #0
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.int 0x1afffffa # bne 4 <fetch_and_add_arm+0x4>
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.int 0xee070fba # mcr 15, 0, r0, cr7, cr10, {5}
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.int 0xe1a00003 # mov r0, r3
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.int 0xe12fff1e # bx lr
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.size fetch_and_add_arm, .-fetch_and_add_arm
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