boot-code/crt0.S at master · pulp-platform/boot-code · GitHub

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/*
 * Copyright (C) 2015 ETH Zurich, University of Bologna and GreenWaves Technologies
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "config.h"
#include "archi/pulp.h"

  .section .text

reset_handler:
  la   x2, stack
  j main

  .global changeStack
changeStack:
  mv   sp, a2
  jr   a1


  .section .vectors, "ax"
  .option norvc;
  .org 0x0
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler
  jal x0, default_handler

  //// reset vector
  .org 0x80
  jal x0, reset_handler

  .org 0x84
loop:
  j loop

default_handler:
  mret