From aa4cc58b42c400b5b3b5cb572f12c353a2e7136f Mon Sep 17 00:00:00 2001
From: sawyer bristol <sawyerbristol@gmail.com>
Date: Fri, 31 Oct 2025 17:59:48 -0600
Subject: [PATCH] expand doom memory for pimoroni

---
 user-apps/doom/build.rs |  2 +-
 user-apps/doom/memory.x | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 user-apps/doom/memory.x

diff --git a/user-apps/doom/build.rs b/user-apps/doom/build.rs
index 1dfa714..9f67aed 100644
--- a/user-apps/doom/build.rs
+++ b/user-apps/doom/build.rs
@@ -23,7 +23,7 @@ fn main() {
     let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
     File::create(out.join("memory.x"))
         .unwrap()
-        .write_all(include_bytes!("../memory.x"))
+        .write_all(include_bytes!("memory.x"))
         .unwrap();
     println!("cargo:rustc-link-search={}", out.display());
 
diff --git a/user-apps/doom/memory.x b/user-apps/doom/memory.x
new file mode 100644
index 0000000..02c35b4
--- /dev/null
+++ b/user-apps/doom/memory.x
@@ -0,0 +1,31 @@
+MEMORY
+{
+  RAM : ORIGIN = 0x0, LENGTH = 400K
+}
+
+SECTIONS
+{
+  .text : ALIGN(4)
+  {
+      *(.text .text.*);
+      *(.rodata .rodata.*);
+  } > RAM
+
+  .data : ALIGN(4)
+  {
+      *(.data .data.*);
+  } > RAM
+
+  .bss : ALIGN(4)
+  {
+      *(.bss .bss.*);
+      *(COMMON);
+  } > RAM
+
+  .syscall_table (NOLOAD) : ALIGN(4)
+  {
+      __user_reloc_start = .;
+      KEEP(*(.user_reloc*));
+      __user_reloc_end = .;
+  } > RAM
+}