mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-09-11 06:54:32 +00:00
This patch adds a simple non-driver protection domain sample to serve as an example for defining other non-driver protection domains. It simply performs a ping-pong test of protection domain switching latency during boot, including optional accesses to a private metadata region, and prints out the results.
123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2015-2016, Intel Corporation. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "contiki.h"
|
|
#include "contiki-net.h"
|
|
#include "cpu.h"
|
|
#include "eth.h"
|
|
#include "eth-conf.h"
|
|
#include "galileo-pinmux.h"
|
|
#include "gpio.h"
|
|
#include "helpers.h"
|
|
#include "i2c.h"
|
|
#include "imr-conf.h"
|
|
#include "interrupt.h"
|
|
#include "irq.h"
|
|
#include "pci.h"
|
|
#include "prot-domains.h"
|
|
#include "shared-isr.h"
|
|
#include "uart.h"
|
|
|
|
PROCINIT( &etimer_process
|
|
, &tcpip_process
|
|
#if WITH_DNS
|
|
, &resolv_process
|
|
#endif
|
|
);
|
|
|
|
extern int _sdata_kern_startup_func, _edata_kern_startup_func;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
app_main(void)
|
|
{
|
|
printf("Starting Contiki\n");
|
|
|
|
process_init();
|
|
procinit_init();
|
|
ctimer_init();
|
|
autostart_start(autostart_processes);
|
|
|
|
eth_init();
|
|
|
|
while(1) {
|
|
process_run();
|
|
}
|
|
|
|
halt();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/* Kernel entrypoint */
|
|
int
|
|
main(void)
|
|
{
|
|
uintptr_t *func_ptr;
|
|
|
|
#ifdef X86_CONF_RESTRICT_DMA
|
|
quarkX1000_imr_conf();
|
|
#endif
|
|
irq_init();
|
|
/* Initialize UART connected to Galileo Gen2 FTDI header */
|
|
quarkX1000_uart_init(QUARK_X1000_UART_1);
|
|
clock_init();
|
|
rtimer_init();
|
|
|
|
pci_root_complex_init();
|
|
quarkX1000_eth_init();
|
|
quarkX1000_i2c_init();
|
|
quarkX1000_i2c_configure(QUARKX1000_I2C_SPEED_STANDARD,
|
|
QUARKX1000_I2C_ADDR_MODE_7BIT);
|
|
/* use default pinmux configuration */
|
|
if(galileo_pinmux_initialize() < 0) {
|
|
fprintf(stderr, "Failed to initialize pinmux\n");
|
|
}
|
|
quarkX1000_gpio_init();
|
|
shared_isr_init();
|
|
|
|
/* The ability to remap interrupts is not needed after this point and should
|
|
* thus be disabled according to the principle of least privilege.
|
|
*/
|
|
pci_root_complex_lock();
|
|
|
|
func_ptr = (uintptr_t *)&_sdata_kern_startup_func;
|
|
while(func_ptr != (uintptr_t *)&_edata_kern_startup_func) {
|
|
((void (*)(void))*func_ptr)();
|
|
|
|
func_ptr++;
|
|
}
|
|
|
|
prot_domains_leave_main();
|
|
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|