Merged upstream arduino branch

1 files changed, 121 insertions, 0 deletions

diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/UTILS/STARTUP_FILES/GCC/crt0.x b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/UTILS/STARTUP_FILES/GCC/crt0.x
new file mode 100644
index 0000000..23b658b
--- /dev/null
+++ b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/UTILS/STARTUP_FILES/GCC/crt0.x
@@ -0,0 +1,121 @@
+/* This file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
+
+/*This file is prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief AVR32UC C runtime startup file.
+ *
+ * This file has been built from the Newlib crt0.S.
+ *
+ * - Compiler:           GNU GCC for AVR32
+ * - Supported devices:  All AVR32UC devices can be used.
+ *
+ * \author               Atmel Corporation: http://www.atmel.com \n
+ *                       Support and FAQ: http://support.atmel.no/
+ *
+ ******************************************************************************/
+
+/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an Atmel
+ * AVR product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ */
+
+#include <avr32/io.h>
+
+
+//! @{
+//! \verbatim
+
+
+  // This must be linked @ 0x80000000 if it is to be run upon reset.
+  .section  .reset, "ax", @progbits
+
+
+  .global _start
+  .type _start, @function
+_start:
+  // Jump to the C runtime startup routine.
+  lda.w   pc, _stext
+
+
+  // _stext is placed outside the .reset section so that the program entry point
+  // can be changed without affecting the C runtime startup.
+  .section  .text._stext, "ax", @progbits
+
+
+  .global _stext
+  .type _stext, @function
+_stext:
+  // Set initial stack pointer.
+  lda.w   sp, _estack
+
+  // Set up EVBA so interrupts can be enabled.
+  lda.w   r0, _evba
+  mtsr    AVR32_EVBA, r0
+
+  // Enable the exception processing.
+  csrf    AVR32_SR_EM_OFFSET
+
+  // Load initialized data having a global lifetime from the data LMA.
+  lda.w   r0, _data
+  lda.w   r1, _edata
+  cp      r0, r1
+  brhs    idata_load_loop_end
+  lda.w   r2, _data_lma
+idata_load_loop:
+  ld.d    r4, r2++
+  st.d    r0++, r4
+  cp      r0, r1
+  brlo    idata_load_loop
+idata_load_loop_end:
+
+  // Clear uninitialized data having a global lifetime in the blank static storage section.
+  lda.w   r0, __bss_start
+  lda.w   r1, _end
+  cp      r0, r1
+  brhs    udata_clear_loop_end
+  mov     r2, 0
+  mov     r3, 0
+udata_clear_loop:
+  st.d    r0++, r2
+  cp      r0, r1
+  brlo    udata_clear_loop
+udata_clear_loop_end:
+
+#ifdef CONFIG_FRAME_POINTER
+  // Safety: Set the default "return" @ to the exit routine address.
+  lda.w   lr, exit
+#endif
+
+  // Start the show.
+  lda.w   pc, main
+
+
+//! \endverbatim
+//! @}