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authorTaylor Vesely2012-03-21 18:31:18 -0600
committerPiotr Esden-Tempski2012-03-22 16:22:22 -0700
commit968557dfbb62b5f9647527a5625821c9589312ff (patch)
treed643ab49b4ca7f547b4aadc7d5d794b00be7b10b
parent82f89c414abdaf2110ea6496aab2d0da7b56f9f7 (diff)
Copy-pasted linker script from LPC13xx to LPC17XX. Set up the ram and
rom regions for the Blueboard-LPC1768-H.
-rw-r--r--examples/lpc17xx/blueboard-lpc1768-h/blueboard-lpc1768-h.ld5
-rw-r--r--lib/lpc17xx/libopencm3_lpc17xx.ld70
2 files changed, 73 insertions, 2 deletions
diff --git a/examples/lpc17xx/blueboard-lpc1768-h/blueboard-lpc1768-h.ld b/examples/lpc17xx/blueboard-lpc1768-h/blueboard-lpc1768-h.ld
index b8cff56..e2e480f 100644
--- a/examples/lpc17xx/blueboard-lpc1768-h/blueboard-lpc1768-h.ld
+++ b/examples/lpc17xx/blueboard-lpc1768-h/blueboard-lpc1768-h.ld
@@ -1,4 +1,3 @@
-
/*
* This file is part of the libopencm3 project.
*
@@ -18,13 +17,15 @@
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
-/* Linker script for Blueboard-LPC1768-H (LPC1768, 512K flash, 32K SRAM). */
+/* Linker script for Blueboard-LPC1768-H (LPC1768, 512K flash, 64K SRAM). */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x00000000, LENGTH = 512K
ram (rwx) : ORIGIN = 0x10000000, LENGTH = 32K
+ ram1 (rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
+ ram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K
}
/* Include the common ld script. */
diff --git a/lib/lpc17xx/libopencm3_lpc17xx.ld b/lib/lpc17xx/libopencm3_lpc17xx.ld
index e69de29..d115758 100644
--- a/lib/lpc17xx/libopencm3_lpc17xx.ld
+++ b/lib/lpc17xx/libopencm3_lpc17xx.ld
@@ -0,0 +1,70 @@
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Generic linker script for LPC13XX targets using libopencm3. */
+
+/* Memory regions must be defined in the ld script which includes this one. */
+
+/* Enforce emmition of the vector table. */
+EXTERN (vector_table)
+
+/* Define sections. */
+SECTIONS
+{
+ . = ORIGIN(rom);
+
+ .text : {
+ *(.vectors) /* Vector table */
+ *(.text*) /* Program code */
+ *(.rodata*) /* Read-only data */
+ _etext = .;
+ } >rom
+
+ . = ORIGIN(ram);
+
+ .data : {
+ _data = .;
+ *(.data*) /* Read-write initialized data */
+ _edata = .;
+ } >ram AT >rom
+
+ .bss : {
+ *(.bss*) /* Read-write zero initialized data */
+ *(COMMON)
+ _ebss = .;
+ } >ram AT >rom
+
+ /*
+ * The .eh_frame section appears to be used for C++ exception handling.
+ * You may need to fix this if you're using C++.
+ */
+ /DISCARD/ : { *(.eh_frame) }
+
+ /*
+ * Another section used by C++ stuff, appears when using newlib with
+ * 64bit (long long) printf support - discard it for now.
+ */
+ /DISCARD/ : { *(.ARM.exidx) }
+
+ end = .;
+}
+
+PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));
+