1 files changed, 92 insertions, 0 deletions
diff --git a/ports/risc-v64/gnu/example_build/erbium/link.lds b/ports/risc-v64/gnu/example_build/erbium/link.lds
new file mode 100644
index 00000000..25ba9219
--- /dev/null
+++ b/ports/risc-v64/gnu/example_build/erbium/link.lds
@@ -0,0 +1,92 @@
+/***************************************************************************
+ * Copyright (c) 2026 Eclipse ThreadX contributors
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License which is available at
+ * https://opensource.org/licenses/MIT.
+ *
+ * AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5.5).
+ * The AI-generated portions may be considered public domain (CC0-1.0)
+ * and not subject to the project's licence. The human contributor has
+ * reviewed and verified that the code is correct.
+ *
+ * SPDX-License-Identifier: MIT and CC0-1.0
+ **************************************************************************/
+
+/* Erbium memory layout.
+ *
+ *   Address         Size       Usage
+ *   ─────────────   ────────   ──────────────────────────────────────
+ *   0x0200_0000     4 KiB      System registers (SystemConfig at +0x08)
+ *   0x0200_4000     4 KiB      UART0
+ *   0x4000_0000     512 B      MRAM, reserved for the boot flow
+ *   0x4000_0200     ~16 MiB    MRAM: code, data, stacks and free memory
+ *   0x80F4_0200     16 B       mtime, mtimecmp
+ *   0xA000_0000     64 MiB     PLIC
+ *
+ * MRAM is directly readable, writable and executable, so .data runs in
+ * place and needs no copy from a load address.
+ */
+
+OUTPUT_ARCH( "riscv" )
+ENTRY( _start )
+
+MEMORY
+{
+  MRAM (rwx) : ORIGIN = 0x40000200, LENGTH = 0x00FFFE00
+}
+
+PHDRS
+{
+  text PT_LOAD FLAGS(5);   /* PF_R | PF_X */
+  data PT_LOAD FLAGS(6);   /* PF_R | PF_W */
+}
+
+SECTIONS
+{
+  /* _start must stay at the load address, so the 4 KiB aligned trap
+     vector goes in the next output section rather than this one.  */
+  .text.entry : {
+    KEEP(*(.text.entry))
+  } > MRAM :text
+
+  .text : {
+    KEEP(*(.text.trap))
+    *(.text .text.*)
+  } > MRAM :text
+
+  .rodata : {
+    . = ALIGN(16);
+    *(.srodata .srodata.*)
+    . = ALIGN(16);
+    *(.rodata .rodata.*)
+  } > MRAM :text
+
+  .data : {
+    . = ALIGN(16);
+    PROVIDE( __global_pointer$ = . + 0x800 );
+    *(.sdata .sdata.*)
+    . = ALIGN(16);
+    *(.data .data.*)
+  } > MRAM :data
+
+  .bss (NOLOAD) : {
+    . = ALIGN(16);
+    _bss_start = .;
+    *(.sbss .sbss.*)
+    . = ALIGN(16);
+    *(.bss .bss.*)
+    *(COMMON)
+    . = ALIGN(16);
+    _bss_end = .;
+  } > MRAM :data
+
+  .stack (NOLOAD) : {
+    . = ALIGN(16);
+    _sysstack_start = .;
+    . += 0x1000;
+    _sysstack_end = .;
+  } > MRAM :data
+
+  PROVIDE(_end = .);
+}