kernel/arm64: introduce virtual_ranges_to_keep

Change-Id: I6de950cb18892ebf2dd2aefa34b65b90a17e3f2c Reviewed-on: https://review.haiku-os.org/c/haiku/+/5682 Tested-by: Commit checker robot <[email protected]> Reviewed-by: Adrien Destugues <[email protected]> Reviewed-by: David Karoly <[email protected]>
2022-09-23 13:57:43 +00:00
parent a0c8f15f33
commit cec78ae332
3 changed files with 46 additions and 1 deletions
@@ -17,12 +17,17 @@

 #define _PACKED __attribute__((packed))

+#define MAX_VIRTUAL_RANGES_TO_KEEP	32

 typedef struct {
 	uint64	phys_pgdir;
 	uint64	vir_pgdir;
 	uint64	next_pagetable;

+	// The virtual ranges we want to keep in the kernel.
+	uint32		num_virtual_ranges_to_keep;
+	addr_range	virtual_ranges_to_keep[MAX_VIRTUAL_RANGES_TO_KEEP];
+
 	// needed for UEFI, otherwise kernel acpi support can't find ACPI root
 	FixedWidthPointer<void>	acpi_root;
 	FixedWidthPointer<void>	fdt;