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head/sys/arm64/arm64/efirt_machdep.c
| Show First 20 Lines • Show All 137 Lines • ▼ Show 20 Lines | efi_1t1_l3(vm_offset_t va) | ||||
| l3 += pmap_l3_index(va); | l3 += pmap_l3_index(va); | ||||
| KASSERT(*l3 == 0, ("%s: Already mapped: va %#jx *pt %#jx", __func__, | KASSERT(*l3 == 0, ("%s: Already mapped: va %#jx *pt %#jx", __func__, | ||||
| va, *l3)); | va, *l3)); | ||||
| return (l3); | return (l3); | ||||
| } | } | ||||
| /* | /* | ||||
| * Map a physical address from EFI runtime space into KVA space. Returns 0 to | |||||
| * indicate a failed mapping so that the caller may handle error. | |||||
| */ | |||||
| vm_offset_t | |||||
| efi_phys_to_kva(vm_paddr_t paddr) | |||||
| { | |||||
| if (!PHYS_IN_DMAP(paddr)) | |||||
| return (0); | |||||
| return (PHYS_TO_DMAP(paddr)); | |||||
| } | |||||
| /* | |||||
| * Create the 1:1 virtual to physical map for EFI | * Create the 1:1 virtual to physical map for EFI | ||||
| */ | */ | ||||
| bool | bool | ||||
| efi_create_1t1_map(struct efi_md *map, int ndesc, int descsz) | efi_create_1t1_map(struct efi_md *map, int ndesc, int descsz) | ||||
| { | { | ||||
| struct efi_md *p; | struct efi_md *p; | ||||
| pt_entry_t *l3; | pt_entry_t *l3; | ||||
| vm_offset_t va; | vm_offset_t va; | ||||
| ▲ Show 20 Lines • Show All 99 Lines • Show Last 20 Lines | |||||