1 files changed, 97 insertions, 0 deletions
diff --git a/link.ld b/link.ld
new file mode 100644
index 0000000..231269a
--- /dev/null
+++ b/link.ld
@@ -0,0 +1,97 @@
+/**
+ * @file linker.ld
+ *
+ * Copyright (C) 2018 Clyne Sullivan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* enter at the reset handler */
+ENTRY(Reset_Handler)
+
+/* description of memory regions */
+MEMORY {
+	FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
+	RAM (rwx)  : ORIGIN = 0x20000000,  LENGTH = 96K
+}
+
+/* description of ELF sections */
+SECTIONS {
+	/* keep startup code at beginning */
+	.isr_vector : {
+		. = ALIGN(8);
+		KEEP(*(.isr_vector))
+		. = ALIGN(8);
+	} > FLASH
+
+	/* other code sections */
+	.text : {
+		. = ALIGN(8);
+		*(.text)
+		*(.text*)
+
+		KEEP(*(.init))
+		KEEP(*(.fini))
+		. = ALIGN(8);
+	} > FLASH
+
+	/* read-only data sections */
+	.rodata : {
+		. = ALIGN(8);
+		*(.rodata)
+		*(.rodata*)
+
+		*(.eh_frame)
+		. = ALIGN(8);
+	} > FLASH
+
+	/* ARM stuff */
+	.ARM.exidx : {
+		*(.ARM.exidx)
+	} > FLASH
+
+	/* init_array/fini_array (TODO understand this) */
+	.init_array : {
+		__init_array_start = .;
+		KEEP(*(.init_array.*))
+		KEEP(*(.init_array*))
+		__init_array_end = .;
+	} > FLASH
+
+	.fini_array : {
+		__fini_array_start = .;
+		KEEP(*(.fini_array.*))
+		KEEP(*(.fini_array*))
+		__fini_array_end = .;
+	} > FLASH
+
+	/* initialized data */
+	_sidata = LOADADDR(.data);
+	.data : {
+		. = ALIGN(8);
+		_sdata = .;
+		*(.data)
+		. = ALIGN(8);
+		_edata = .;
+	} > RAM AT > FLASH
+
+	/* uninitialized data */
+	.bss : {
+		. = ALIGN(8);
+		__bss_start__ = .;
+		*(.bss)
+		. = ALIGN(8);
+		__bss_end__ = .;
+	} > RAM
+}