diff options
Diffstat (limited to 'sys/boot/ia64/efi/efimd.c')
| -rw-r--r-- | sys/boot/ia64/efi/efimd.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/boot/ia64/efi/efimd.c b/sys/boot/ia64/efi/efimd.c index 7454117..0f7f02a 100644 --- a/sys/boot/ia64/efi/efimd.c +++ b/sys/boot/ia64/efi/efimd.c @@ -90,6 +90,10 @@ ia64_efi_memmap_update(void) return (TRUE); } +/* + * Returns 0 on failure. Successful allocations return an address + * larger or equal to IA64_EFI_ALLOC_BOUNDARY. + */ static vm_paddr_t ia64_efi_alloc(vm_size_t sz) { @@ -144,11 +148,12 @@ ia64_efi_alloc(vm_size_t sz) vm_paddr_t ia64_platform_alloc(vm_offset_t va, vm_size_t sz) { + vm_paddr_t pa; if (va == 0) { /* Page table itself. */ if (sz > IA64_EFI_PGTBLSZ_MAX) - return (0); + return (~0UL); if (ia64_efi_pgtbl == 0) ia64_efi_pgtbl = ia64_efi_alloc(IA64_EFI_PGTBLSZ_MAX); if (ia64_efi_pgtbl != 0) @@ -156,7 +161,7 @@ ia64_platform_alloc(vm_offset_t va, vm_size_t sz) return (ia64_efi_pgtbl); } else if (va < IA64_PBVM_BASE) { /* Should not happen. */ - return (0); + return (~0UL); } /* Loader virtual memory page. */ @@ -169,7 +174,8 @@ ia64_platform_alloc(vm_offset_t va, vm_size_t sz) return (ia64_efi_chunk + va); /* Allocate a page at a time when we go beyond the chunk. */ - return (ia64_efi_alloc(sz)); + pa = ia64_efi_alloc(sz); + return ((pa == 0) ? ~0UL : pa); } void |
