arm-a8core-start.h

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/*
 * Copyright (c) 2014 Chris Johns <chrisj@rtems.org>.  All rights reserved.
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */
 
#ifndef LIBBSP_ARM_SHARED_ARM_A8CORE_START_H
#define LIBBSP_ARM_SHARED_ARM_A8CORE_START_H
 
#include <libcpu/arm-cp15.h>
 
#include <bsp.h>
#include <bsp/start.h>
#include <bsp/arm-errata.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
BSP_START_TEXT_SECTION static inline void arm_a8core_start_set_vector_base(void)
{
  /*
   * Do not use bsp_vector_table_begin == 0, since this will get optimized away.
  */
  if (bsp_vector_table_end != bsp_vector_table_size) {
    uint32_t ctrl;
 
    arm_cp15_set_vector_base_address(bsp_vector_table_begin);
 
    ctrl = arm_cp15_get_control();
    ctrl &= ~ARM_CP15_CTRL_V;
    arm_cp15_set_control(ctrl);
  }
}
 
BSP_START_TEXT_SECTION static inline void arm_a8core_start_hook_1(void)
{
  arm_a8core_start_set_vector_base();
}
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* LIBBSP_ARM_SHARED_ARM_A8CORE_START_H */