diff options
Diffstat (limited to 'arch/x86_64/vm_tophys.c')
-rw-r--r-- | arch/x86_64/vm_tophys.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86_64/vm_tophys.c b/arch/x86_64/vm_tophys.c new file mode 100644 index 0000000..2b16880 --- /dev/null +++ b/arch/x86_64/vm_tophys.c @@ -0,0 +1,23 @@ +#include "memory.h" +#include "boot.h" + +uintptr_t +pm_tovirt(physptr_t phys) +{ + if(phys < (1 * GiB)) + return (uintptr_t)(phys + PHYSMAP_MEMORY_BASE); + kpanic("Missing impl for physical addresses > 1GiB (%#016X)\n", + phys); +} + +physptr_t +vm_tophys(uintptr_t virt) +{ + return vm_mapping_get(virt).phys; +} + +physptr_t +vm_tophys_koff(uintptr_t virt) +{ + return (virt - _kernel_virtual_base) + boot_kernel_physical_address; +} |