source: rtems/c/src/lib/libbsp/sparc/shared/startup/bsp_fatal_halt.c @ 866a6fc

/**
 * @file
 * @ingroup sparc_bsp
 * @brief ERC32/LEON2 BSP Fatal_halt handler.
 *
 *  COPYRIGHT (c) 2014.
 *  Aeroflex Gaisler AB.
 *
 *  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.
 */

#include <bsp.h>

#ifdef BSP_POWER_DOWN_AT_FATAL_HALT

/* Spin CPU on fatal error exit */
void _CPU_Fatal_halt(uint32_t source, uint32_t error)
{
  uint32_t level = sparc_disable_interrupts();

  __asm__ volatile ( "mov  %0, %%g1 " : "=r" (level) : "0" (level) );

  while (1) ; /* loop forever */
}

#else

/* return to debugger, simulator, hypervisor or similar by exiting
 * with an error code. g1=1, g2=FATAL_SOURCE, G3=error-code.
 */
void _CPU_Fatal_halt(uint32_t source, uint32_t error)
{
  sparc_syscall_exit(source, error);
}

#endif