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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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25 lines
475 B
ArmAsm
25 lines
475 B
ArmAsm
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.globl getcc
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.type getcc,#function
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getcc:
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ldx [%o0 + PT_V9_TSTATE], %o1
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srlx %o1, 32, %o1
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and %o1, 0xf, %o1
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retl
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stx %o1, [%o0 + PT_V9_G1]
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.size getcc,.-getcc
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.globl setcc
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.type setcc,#function
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setcc:
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ldx [%o0 + PT_V9_TSTATE], %o1
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ldx [%o0 + PT_V9_G1], %o2
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or %g0, %ulo(TSTATE_ICC), %o3
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sllx %o3, 32, %o3
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andn %o1, %o3, %o1
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sllx %o2, 32, %o2
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and %o2, %o3, %o2
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or %o1, %o2, %o1
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retl
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stx %o1, [%o0 + PT_V9_TSTATE]
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.size setcc,.-setcc
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