diff options
Diffstat (limited to 'arch/x86/machine/biosmem.c')
| -rw-r--r-- | arch/x86/machine/biosmem.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86/machine/biosmem.c b/arch/x86/machine/biosmem.c index 370c5615..8e2108c7 100644 --- a/arch/x86/machine/biosmem.c +++ b/arch/x86/machine/biosmem.c @@ -849,19 +849,18 @@ biosmem_load_zone(struct biosmem_zone *zone, uint64_t max_phys_end) static int __init biosmem_setup(void) { + unsigned int phys_addr_width; uint64_t max_phys_end; struct biosmem_zone *zone; - struct cpu *cpu; - unsigned int i; biosmem_map_show(); - cpu = cpu_current(); - max_phys_end = (cpu->phys_addr_width == 0) + phys_addr_width = cpu_phys_addr_width(cpu_current()); + max_phys_end = ((phys_addr_width == 0) || (phys_addr_width == 64)) ? (uint64_t)-1 - : (uint64_t)1 << cpu->phys_addr_width; + : (uint64_t)1 << phys_addr_width; - for (i = 0; i < ARRAY_SIZE(biosmem_zones); i++) { + for (size_t i = 0; i < ARRAY_SIZE(biosmem_zones); i++) { if (biosmem_zone_size(i) == 0) { break; } |