mirror of https://github.com/acidanthera/audk.git
23 lines
545 B
ArmAsm
23 lines
545 B
ArmAsm
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# INTN
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# EFIAPI
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# XenHypercall2 (
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# IN VOID *HypercallAddr,
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# IN OUT INTN Arg1,
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# IN OUT INTN Arg2
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# );
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ASM_GLOBAL ASM_PFX(XenHypercall2)
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ASM_PFX(XenHypercall2):
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# Save only ebx, ecx is supposed to be a scratch register and needs to be
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# saved by the caller
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push %ebx
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# Copy HypercallAddr to eax
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mov 8(%esp), %eax
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# Copy Arg1 to the register expected by Xen
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mov 12(%esp), %ebx
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# Copy Arg2 to the register expected by Xen
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mov 16(%esp), %ecx
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# Call HypercallAddr
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call *%eax
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pop %ebx
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ret
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