+++ /dev/null
-/******************************************************************************
-*
-* Copyright (C) 2009 - 2015 Xilinx, Inc. All rights reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy
-* of this software and associated documentation files (the "Software"), to deal
-* in the Software without restriction, including without limitation the rights
-* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-* copies of the Software, and to permit persons to whom the Software is
-* furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in
-* all copies or substantial portions of the Software.
-*
-* Use of the Software is limited solely to applications:
-* (a) running on a Xilinx device, or
-* (b) that interact with a Xilinx device through a bus or interconnect.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-* Except as contained in this notice, the name of the Xilinx shall not be used
-* in advertising or otherwise to promote the sale, use or other dealings in
-* this Software without prior written authorization from Xilinx.
-*
-******************************************************************************/
-/*****************************************************************************/
-/**
-* @file xil-crt0.S
-*
-* <pre>
-* MODIFICATION HISTORY:
-*
-* Ver Who Date Changes
-* ----- ---- -------- ---------------------------------------------------
-* 1.00a ecm 10/20/09 Initial version
-* 3.05a sdm 02/02/12 Added code for profiling
-* 3.06a sgd 05/16/12 Added global constructors and cleanup code
-* Uart initialization based on compiler flag
-* 3.07a sgd 07/05/12 Updated with reset and start Global Timer
-* 3.07a sgd 10/19/12 SMC NOR and SRAM initialization with build option
-* 4.2 pkp 08/04/14 Removed PEEP board related code which contained
-* initialization of uart smc nor and sram
-* 5.3 pkp 10/07/15 Added support for OpenAMP by not initializing global
-* timer when USE_AMP flag is defined
-* </pre>
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-
- .file "xil-crt0.S"
- .section ".got2","aw"
- .align 2
-
- .text
-.Lsbss_start:
- .long __sbss_start
-
-.Lsbss_end:
- .long __sbss_end
-
-.Lbss_start:
- .long __bss_start
-
-.Lbss_end:
- .long __bss_end
-
-.Lstack:
- .long __stack
-
-
- .globl _start
-_start:
- bl __cpu_init /* Initialize the CPU first (BSP provides this) */
-
- mov r0, #0
-
- /* clear sbss */
- ldr r1,.Lsbss_start /* calculate beginning of the SBSS */
- ldr r2,.Lsbss_end /* calculate end of the SBSS */
-
-.Lloop_sbss:
- cmp r1,r2
- bge .Lenclsbss /* If no SBSS, no clearing required */
- str r0, [r1], #4
- b .Lloop_sbss
-
-.Lenclsbss:
- /* clear bss */
- ldr r1,.Lbss_start /* calculate beginning of the BSS */
- ldr r2,.Lbss_end /* calculate end of the BSS */
-
-.Lloop_bss:
- cmp r1,r2
- bge .Lenclbss /* If no BSS, no clearing required */
- str r0, [r1], #4
- b .Lloop_bss
-
-.Lenclbss:
-
- /* set stack pointer */
- ldr r13,.Lstack /* stack address */
-
- /* Reset and start Global Timer */
- mov r0, #0x0
- mov r1, #0x0
-
-#if USE_AMP != 1
- bl XTime_SetTime
-#endif
-
-#ifdef PROFILING /* defined in Makefile */
- /* Setup profiling stuff */
- bl _profile_init
-#endif /* PROFILING */
-
- /* run global constructors */
- bl __libc_init_array
-
- /* make sure argc and argv are valid */
- mov r0, #0
- mov r1, #0
-
- /* Let her rip */
- bl main
-
- /* Cleanup global constructors */
- bl __libc_fini_array
-
-#ifdef PROFILING
- /* Cleanup profiling stuff */
- bl _profile_clean
-#endif /* PROFILING */
-
- /* All done */
- bl exit
-
-.Lexit: /* should never get here */
- b .Lexit
-
-.Lstart:
- .size _start,.Lstart-_start