diff options
Diffstat (limited to 'arch/sparc64/kernel/pci_sun4v_asm.S')
| -rw-r--r-- | arch/sparc64/kernel/pci_sun4v_asm.S | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v_asm.S b/arch/sparc64/kernel/pci_sun4v_asm.S deleted file mode 100644 index 6604fdbf746..00000000000 --- a/arch/sparc64/kernel/pci_sun4v_asm.S +++ /dev/null @@ -1,95 +0,0 @@ -/* pci_sun4v_asm: Hypervisor calls for PCI support. - * - * Copyright (C) 2006 David S. Miller <davem@davemloft.net> - */ - -#include <asm/hypervisor.h> - - /* %o0: devhandle - * %o1: tsbid - * %o2: num ttes - * %o3: io_attributes - * %o4: io_page_list phys address - * - * returns %o0: -status if status was non-zero, else - * %o0: num pages mapped - */ - .globl pci_sun4v_iommu_map -pci_sun4v_iommu_map: - mov %o5, %g1 - mov HV_FAST_PCI_IOMMU_MAP, %o5 - ta HV_FAST_TRAP - brnz,pn %o0, 1f - sub %g0, %o0, %o0 - mov %o1, %o0 -1: retl - nop - - /* %o0: devhandle - * %o1: tsbid - * %o2: num ttes - * - * returns %o0: num ttes demapped - */ - .globl pci_sun4v_iommu_demap -pci_sun4v_iommu_demap: - mov HV_FAST_PCI_IOMMU_DEMAP, %o5 - ta HV_FAST_TRAP - retl - mov %o1, %o0 - - /* %o0: devhandle - * %o1: tsbid - * %o2: &io_attributes - * %o3: &real_address - * - * returns %o0: status - */ - .globl pci_sun4v_iommu_getmap -pci_sun4v_iommu_getmap: - mov %o2, %o4 - mov HV_FAST_PCI_IOMMU_GETMAP, %o5 - ta HV_FAST_TRAP - stx %o1, [%o4] - stx %o2, [%o3] - retl - mov %o0, %o0 - - /* %o0: devhandle - * %o1: pci_device - * %o2: pci_config_offset - * %o3: size - * - * returns %o0: data - * - * If there is an error, the data will be returned - * as all 1's. - */ - .globl pci_sun4v_config_get -pci_sun4v_config_get: - mov HV_FAST_PCI_CONFIG_GET, %o5 - ta HV_FAST_TRAP - brnz,a,pn %o1, 1f - mov -1, %o2 -1: retl - mov %o2, %o0 - - /* %o0: devhandle - * %o1: pci_device - * %o2: pci_config_offset - * %o3: size - * %o4: data - * - * returns %o0: status - * - * status will be zero if the operation completed - * successfully, else -1 if not - */ - .globl pci_sun4v_config_put -pci_sun4v_config_put: - mov HV_FAST_PCI_CONFIG_PUT, %o5 - ta HV_FAST_TRAP - brnz,a,pn %o1, 1f - mov -1, %o1 -1: retl - mov %o1, %o0 |
