forked from luck/tmp_suning_uos_patched
57 lines
989 B
ArmAsm
57 lines
989 B
ArmAsm
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/* pci_sun4v_asm: Hypervisor calls for PCI support.
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*
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* Copyright (C) 2006 David S. Miller <davem@davemloft.net>
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*/
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#include <asm/hypervisor.h>
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/* %o0: devhandle
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* %o1: devino
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*
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* returns %o0: sysino
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*/
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.globl pci_sun4v_devino_to_sysino
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pci_sun4v_devino_to_sysino:
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mov %o1, %o2
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mov %o0, %o1
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mov HV_FAST_INTR_DEVINO2SYSINO, %o0
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ta HV_FAST_TRAP
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retl
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mov %o1, %o0
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/* %o0: devhandle
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* %o1: tsbid
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* %o2: num ttes
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* %o3: io_attributes
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* %o4: io_page_list phys address
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*
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* returns %o0: num ttes mapped
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*/
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.globl pci_sun4v_iommu_map
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pci_sun4v_iommu_map:
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mov %o4, %o5
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mov %o3, %o4
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mov %o2, %o3
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mov %o1, %o2
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mov %o0, %o1
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mov HV_FAST_PCI_IOMMU_MAP, %o0
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ta HV_FAST_TRAP
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retl
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mov %o1, %o0
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/* %o0: devhandle
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* %o1: tsbid
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* %o2: num ttes
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*
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* returns %o0: num ttes demapped
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*/
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.globl pci_sun4v_iommu_demap
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pci_sun4v_iommu_demap:
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mov %o2, %o3
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mov %o1, %o2
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mov %o0, %o1
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mov HV_FAST_PCI_IOMMU_DEMAP, %o0
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ta HV_FAST_TRAP
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retl
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mov %o1, %o0
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