From c04b33647cc71c5ffb43d7084e0dd69a9ff61ecd Mon Sep 17 00:00:00 2001
From: Max Wash <mbswash@gmail.com>
Date: Sun, 8 Feb 2026 11:27:37 +0000
Subject: [PATCH] x86_64: add kernel and user virtual memory boundary
 definitions

---
 arch/x86_64/include/mango/machine/vm.h | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/arch/x86_64/include/mango/machine/vm.h b/arch/x86_64/include/mango/machine/vm.h
index b6064b8..38364e4 100644
--- a/arch/x86_64/include/mango/machine/vm.h
+++ b/arch/x86_64/include/mango/machine/vm.h
@@ -11,14 +11,20 @@
 #define VM_PAGEMAP_BASE   0xFFFF888000000000
 #define VM_PAGEMAP_LIMIT  0xFFFFC87FFFFFFFFF
 
-#define VM_PAGE_SIZE  0x1000
-#define VM_PAGE_MASK  (VM_PAGE_SIZE-1)
-#define VM_PAGE_SHIFT 12
+#define VM_PAGE_SIZE      0x1000
+#define VM_PAGE_MASK      (VM_PAGE_SIZE - 1)
+#define VM_PAGE_SHIFT     12
 
 #define VM_PAGE_MIN_ORDER VM_PAGE_4K
 #define VM_PAGE_MAX_ORDER VM_PAGE_8M
 
-#define VM_ZONE_MIN VM_ZONE_DMA
-#define VM_ZONE_MAX VM_ZONE_NORMAL
+#define VM_ZONE_MIN       VM_ZONE_DMA
+#define VM_ZONE_MAX       VM_ZONE_NORMAL
+
+#define VM_USER_BASE      0x0000000000100000
+#define VM_USER_LIMIT     0x00007fffffffffff
+
+#define VM_KERNEL_BASE    0XFFFF800000000000
+#define VM_KERNEL_LIMIT   0XFFFFFFFFFFFFFFFF
 
 #endif