| /****************************************************************************** |
| * |
| * (c) Copyright 2009-13 Xilinx, Inc. All rights reserved. |
| * |
| * This file contains confidential and proprietary information of Xilinx, Inc. |
| * and is protected under U.S. and international copyright and other |
| * intellectual property laws. |
| * |
| * DISCLAIMER |
| * This disclaimer is not a license and does not grant any rights to the |
| * materials distributed herewith. Except as otherwise provided in a valid |
| * license issued to you by Xilinx, and to the maximum extent permitted by |
| * applicable law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND WITH ALL |
| * FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS, |
| * IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF |
| * MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; |
| * and (2) Xilinx shall not be liable (whether in contract or tort, including |
| * negligence, or under any other theory of liability) for any loss or damage |
| * of any kind or nature related to, arising under or in connection with these |
| * materials, including for any direct, or any indirect, special, incidental, |
| * or consequential loss or damage (including loss of data, profits, goodwill, |
| * or any type of loss or damage suffered as a result of any action brought by |
| * a third party) even if such damage or loss was reasonably foreseeable or |
| * Xilinx had been advised of the possibility of the same. |
| * |
| * CRITICAL APPLICATIONS |
| * Xilinx products are not designed or intended to be fail-safe, or for use in |
| * any application requiring fail-safe performance, such as life-support or |
| * safety devices or systems, Class III medical devices, nuclear facilities, |
| * applications related to the deployment of airbags, or any other applications |
| * that could lead to death, personal injury, or severe property or |
| * environmental damage (individually and collectively, "Critical |
| * Applications"). Customer assumes the sole risk and liability of any use of |
| * Xilinx products in Critical Applications, subject only to applicable laws |
| * and regulations governing limitations on product liability. |
| * |
| * THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS PART OF THIS FILE |
| * AT ALL TIMES. |
| * |
| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * @file asm_vectors.s |
| * |
| * This file contains the initial vector table for the Cortex A9 processor |
| * |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ------- -------- --------------------------------------------------- |
| * 1.00a ecm/sdm 10/20/09 Initial version |
| * 3.05a sdm 02/02/12 Save lr when profiling is enabled |
| * 3.10a srt 04/18/13 Implemented ARM Erratas. Please refer to file |
| * 'xil_errata.h' for errata description |
| * </pre> |
| * |
| * @note |
| * |
| * None. |
| * |
| ******************************************************************************/ |
| |
| #include "xil_errata.h" |
| |
| .org 0 |
| .text |
| .arm |
| |
| .global _boot |
| .global _freertos_vector_table |
| |
| .global FIQInterrupt |
| .global DataAbortInterrupt |
| .global PrefetchAbortInterrupt |
| .global vPortInstallFreeRTOSVectorTable |
| |
| .extern FreeRTOS_IRQ_Handler |
| .extern FreeRTOS_SWI_Handler |
| |
| .section .freertos_vectors |
| _freertos_vector_table: |
| B _boot |
| B FreeRTOS_Undefined |
| ldr pc, _swi |
| B FreeRTOS_PrefetchAbortHandler |
| B FreeRTOS_DataAbortHandler |
| NOP /* Placeholder for address exception vector*/ |
| LDR PC, _irq |
| B FreeRTOS_FIQHandler |
| |
| _irq: .word FreeRTOS_IRQ_Handler |
| _swi: .word FreeRTOS_SWI_Handler |
| |
| |
| .align 4 |
| FreeRTOS_FIQHandler: /* FIQ vector handler */ |
| stmdb sp!,{r0-r3,r12,lr} /* state save from compiled code */ |
| FIQLoop: |
| blx FIQInterrupt /* FIQ vector */ |
| ldmia sp!,{r0-r3,r12,lr} /* state restore from compiled code */ |
| subs pc, lr, #4 /* adjust return */ |
| |
| .align 4 |
| FreeRTOS_Undefined: /* Undefined handler */ |
| b . |
| |
| .align 4 |
| FreeRTOS_DataAbortHandler: /* Data Abort handler */ |
| #ifdef CONFIG_ARM_ERRATA_775420 |
| dsb |
| #endif |
| stmdb sp!,{r0-r3,r12,lr} /* state save from compiled code */ |
| blx DataAbortInterrupt /*DataAbortInterrupt :call C function here */ |
| ldmia sp!,{r0-r3,r12,lr} /* state restore from compiled code */ |
| subs pc, lr, #4 /* adjust return */ |
| |
| .align 4 |
| FreeRTOS_PrefetchAbortHandler: /* Prefetch Abort handler */ |
| #ifdef CONFIG_ARM_ERRATA_775420 |
| dsb |
| #endif |
| stmdb sp!,{r0-r3,r12,lr} /* state save from compiled code */ |
| blx PrefetchAbortInterrupt /* PrefetchAbortInterrupt: call C function here */ |
| ldmia sp!,{r0-r3,r12,lr} /* state restore from compiled code */ |
| subs pc, lr, #4 /* adjust return */ |
| |
| .align 4 |
| .type vPortInstallFreeRTOSVectorTable, %function |
| vPortInstallFreeRTOSVectorTable: |
| |
| /* Set VBAR to the vector table that contains the FreeRTOS handlers. */ |
| ldr r0, =_freertos_vector_table |
| mcr p15, 0, r0, c12, c0, 0 |
| dsb |
| isb |
| bx lr |
| |
| |
| .end |
| |
| |
| |
| |
