sw/device/lib/testing/test_rom/puppeteer_rom.cc

// Copyright 2023 Google LLC
//
// 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 "sw/device/lib/testing/test_rom/puppeteer.h"
#include "sw/device/lib/testing/test_rom/puppeteer_utils/tiny_io.h"
#include "sw/device/lib/testing/test_rom/puppeteer_utils/uart.h"

//-----------------------------------------------------------------------------
// Bootloader entry point for security core.

extern "C" void _boot_start(void) {
  TinyIO uart0 = init_uart0();
  init_smc_uart();
  uart0.printf("puppeteer::main()\n");

  // Start up the puppeteer console on uart0
  Puppeteer puppeteer(uart0);
  puppeteer.console_main();

  // If the puppeteer console exits, we just stop the core.
  uart0.printf("Security core stopping.\n");
  __asm__("wfi");
}

//-----------------------------------------------------------------------------