feat: Add common constants, errors, and serial driver functionality

1 files changed, 17 insertions, 0 deletions

diff --git a/common/constants/memory/layout.zig b/common/constants/memory/layout.zig
new file mode 100644
index 0000000..0e3780f
--- /dev/null
+++ b/common/constants/memory/layout.zig
@@ -0,0 +1,17 @@
+//! Memory Layout Constants
+
+pub const kernel_base: u64 = 0xFFFFFE0000000000;
+pub const kernel_text: u64 = 0xFFFFFE0001000000;
+pub const kernel_heap: u64 = 0xFFFFFE1000000000;
+pub const physmap_base: u64 = 0xFFFFFF0000000000;
+pub const mmio_base: u64 = 0xFFFFFF8000000000;
+
+pub const kernel_physical_base: u64 = 0x100000;
+
+pub const user_space_start: u64 = 0x0000000000000000;
+pub const user_space_end: u64 = 0x00007FFFFFFFFFFF;
+
+pub const kernel_stack_size: u64 = 64 * 1024;
+pub const kernel_stack_pages: u64 = kernel_stack_size / 4096;
+
+pub const physmap_max_size: u64 = 512 * 1024 * 1024 * 1024;