From a7a702b667a8d690e30f5329138307a22102391d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arkadiusz=20W=C3=B3jcik?= <awojcik21@gmail.com>
Date: Sat, 25 Jan 2025 05:45:56 +0100
Subject: [PATCH] Add microzig_flash_end to linker script (#363)

---
 port/raspberrypi/rp2xxx/rp2040.ld       | 5 +++++
 port/raspberrypi/rp2xxx/rp2350_arm.ld   | 5 +++++
 port/raspberrypi/rp2xxx/rp2350_riscv.ld | 5 +++++
 tools/generate_linker_script.zig        | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/port/raspberrypi/rp2xxx/rp2040.ld b/port/raspberrypi/rp2xxx/rp2040.ld
index 4517b362c..8fa5f7270 100644
--- a/port/raspberrypi/rp2xxx/rp2040.ld
+++ b/port/raspberrypi/rp2xxx/rp2040.ld
@@ -54,6 +54,11 @@ SECTIONS
       *(.bss*)
       microzig_bss_end = .;
   } > ram0
+  
+  .flash_end :
+  {
+    microzig_flash_end = .;
+  } > flash0
 
   microzig_data_load_start = LOADADDR(.data);
 }
diff --git a/port/raspberrypi/rp2xxx/rp2350_arm.ld b/port/raspberrypi/rp2xxx/rp2350_arm.ld
index c7904ca38..71e0d14cd 100644
--- a/port/raspberrypi/rp2xxx/rp2350_arm.ld
+++ b/port/raspberrypi/rp2xxx/rp2350_arm.ld
@@ -52,6 +52,11 @@ SECTIONS
       *(.bss*)
       microzig_bss_end = .;
   } > ram0
+  
+  .flash_end :
+  {
+    microzig_flash_end = .;
+  } > flash0
 
   microzig_data_load_start = LOADADDR(.data);
 }
diff --git a/port/raspberrypi/rp2xxx/rp2350_riscv.ld b/port/raspberrypi/rp2xxx/rp2350_riscv.ld
index 16328d908..741b94779 100644
--- a/port/raspberrypi/rp2xxx/rp2350_riscv.ld
+++ b/port/raspberrypi/rp2xxx/rp2350_riscv.ld
@@ -48,6 +48,11 @@ SECTIONS
       *(.sbss*)
       microzig_bss_end = .;
   } > ram0
+  
+  .flash_end :
+  {
+    microzig_flash_end = .;
+  } > flash0
 
   microzig_data_load_start = LOADADDR(.data);
   PROVIDE(__global_pointer$ = microzig_data_start + 0x800);
diff --git a/tools/generate_linker_script.zig b/tools/generate_linker_script.zig
index f2fe124a3..308b055e5 100644
--- a/tools/generate_linker_script.zig
+++ b/tools/generate_linker_script.zig
@@ -134,6 +134,11 @@ pub fn main() !void {
             \\      microzig_bss_end = .;
             \\  } > ram0
             \\
+            \\  .flash_end :
+            \\  {
+            \\      microzig_flash_end = .;
+            \\  } > flash0
+            \\
             \\  microzig_data_load_start = LOADADDR(.data);
             \\
         );