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authorJon Santmyer <jon@jonsantmyer.com>2024-05-22 13:00:41 -0400
committerJon Santmyer <jon@jonsantmyer.com>2024-05-22 13:00:41 -0400
commitace65b453151845bc361f21f3e5b651c35f9f126 (patch)
tree262ebd29b0ca1d8584f0b6f1efa7a00d9f4f3e43 /arch/x86_64/vm_tophys.c
parentf004c1ade8d617a82cea2fe249434cccb47a2358 (diff)
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massive refactor for mp and organizationHEADmaster
Diffstat (limited to 'arch/x86_64/vm_tophys.c')
-rw-r--r--arch/x86_64/vm_tophys.c23
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;
+}