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author | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
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committer | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
commit | ace65b453151845bc361f21f3e5b651c35f9f126 (patch) | |
tree | 262ebd29b0ca1d8584f0b6f1efa7a00d9f4f3e43 /arch/x86_64/vm_tophys.c | |
parent | f004c1ade8d617a82cea2fe249434cccb47a2358 (diff) | |
download | jove-kernel-master.tar.gz jove-kernel-master.tar.bz2 jove-kernel-master.zip |
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; +} |