Changeset 35 for trunk/hal/x86_64/hal_boot.h

Timestamp:

Jun 22, 2017, 8:10:37 AM (7 years ago)

Author:

max@…

Message:

Update:

• Introduce a basic VM manager in hal_gpt.c, to create the initial page tree for cluster0.
• Locate the ACPI RSDP table, which involves entering the PA into cluster0's VA space.

The definitions are still a bit messy, but they will be reorganized later.

File:

• trunk/hal/x86_64/hal_boot.h (modified) (1 diff)

trunk/hal/x86_64/hal_boot.h

@@ -122 +122 @@
 #define PDIR_SLOT_PTE   L4_SLOT_PTE
 
+#define PTE_BASE        ((pt_entry_t *)(L4_SLOT_PTE * NBPD_L4))
+#define L1_BASE PTE_BASE
+#define L2_BASE ((pt_entry_t *)((char *)L1_BASE + L4_SLOT_PTE * NBPD_L3))
+#define L3_BASE ((pt_entry_t *)((char *)L2_BASE + L4_SLOT_PTE * NBPD_L2))
+#define L4_BASE ((pt_entry_t *)((char *)L3_BASE + L4_SLOT_PTE * NBPD_L1))
+
+#define NPDPG   (PAGE_SIZE / sizeof (pt_entry_t))
+
+#define CLUSTER0_MIN_VA 0xffff800000000000
+#define CLUSTER0_MAX_VA 0xffff800100000000 /* MIN + 4GB */
+