aarch64/layout: Increase aarch64 system memory layout to 2TB.

acarp-crusoe · rbradford · commit 2786b2125d07 · 2024-11-27T18:27:16.000Z
Bumping the possible page table range from 128G to 2TB to support larger systems. Fixes #298 Signed-off-by: Andrew Carp <acarp@crusoeenergy.com>
diff --git a/src/arch/aarch64/layout.rs b/src/arch/aarch64/layout.rs
@@ -21,8 +21,8 @@ extern "Rust" {
 }
 
 pub mod map {
-    // Create page table for 128G is enough
-    pub const END: usize = 0x20_0000_0000;
+    // Create page table for 2T
+    pub const END: usize = 0x20_000_000_000;
 
     // Firmware region won't be used by this firmware, so merge it into mmio region
     // is harmless and better for management.

Original file line number	Diff line number	Diff line change
`@@ -21,8 +21,8 @@ extern "Rust" {`
`21`	`21`	`}`
`22`	`22`
`23`	`23`	`pub mod map {`
`24`		`- // Create page table for 128G is enough`
`25`		`- pub const END: usize = 0x20_0000_0000;`
	`24`	`+ // Create page table for 2T`
	`25`	`+ pub const END: usize = 0x20_000_000_000;`
`26`	`26`
`27`	`27`	`// Firmware region won't be used by this firmware, so merge it into mmio region`
`28`	`28`	`// is harmless and better for management.`