void os_start(void)
{
/* Color the irq stack */
#ifdef CONFIG_STACK_COLORATION
irq_stack_collor((void *)&g_intstackalloc, CONFIG_ARCH_INTERRUPTSTACK/sizeof(uint32_t));
#endif
/* Initialize the timer software subsystem */
timer_init();
/* Initialize the interrupt subsystem */
up_irqinitialize();
/* Initialize the OS's timer subsystem */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS) && \
!defined(CONFIG_SYSTEMTICK_EXTCLK)
up_timer_initialize();
#endif
/* Keep the compiler happy for a no return function */
while (1)
{
main(0, 0);
}
}
void os_start(void)
{
/* Initialize the timer software subsystem */
timer_init();
/* Initialize the interrupt subsystem */
up_irqinitialize();
/* Initialize the OS's timer subsystem */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS) && \
!defined(CONFIG_SYSTEMTICK_EXTCLK)
up_timer_initialize();
#endif
/* Keep the compiler happy for a no return function */
while (1)
{
main(0, 0);
}
}
void up_initialize(void)
{
/* Initialize global variables */
current_regs = NULL;
/* Calibrate the timing loop */
up_calibratedelay();
/* Add any extra memory fragments to the memory manager */
up_addregion();
/* Initialize the interrupt subsystem */
up_irqinitialize();
/* Initialize the DMA subsystem if the weak function stm32_dmainitialize has been
* brought into the build
*/
#ifdef CONFIG_ARCH_DMA
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
if (up_dmainitialize)
#endif
{
up_dmainitialize();
}
#endif
/* Initialize the system timer interrupt */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
up_timer_initialize();
#endif
/* Register devices */
#if CONFIG_NFILE_DESCRIPTORS > 0
#if defined(CONFIG_DEV_NULL)
devnull_register(); /* Standard /dev/null */
#endif
#if defined(CONFIG_DEV_ZERO)
devzero_register(); /* Standard /dev/zero */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */
/* Initialize the serial device driver */
#ifdef USE_SERIALDRIVER
up_serialinit();
#endif
/* Initialize the console device driver (if it is other than the standard
* serial driver).
*/
#if defined(CONFIG_DEV_LOWCONSOLE)
lowconsole_init();
#elif defined(CONFIG_SYSLOG_CONSOLE)
syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
ramlog_consoleinit();
#endif
/* Initialize the system logging device */
#ifdef CONFIG_SYSLOG_CHAR
syslog_initialize();
#endif
#ifdef CONFIG_RAMLOG_SYSLOG
ramlog_sysloginit();
#endif
#ifndef CONFIG_NETDEV_LATEINIT
/* Initialize the network */
up_netinitialize();
#endif
#ifdef CONFIG_NETDEV_LOOPBACK
/* Initialize the local loopback device */
(void)localhost_initialize();
#endif
#ifdef CONFIG_NET_TUN
/* Initialize the TUN device */
(void)tun_initialize();
#endif
/* Initialize USB -- device and/or host */
up_usbinitialize();
board_led_on(LED_IRQSENABLED);
}
void up_initialize(void)
{
/* Initialize global variables */
g_current_regs = NULL;
/* Calibrate the timing loop */
up_calibratedelay();
/* Add any extra memory fragments to the memory manager */
up_addregion();
/* Initialize the interrupt subsystem */
up_irqinitialize();
#ifdef CONFIG_PM
/* Initialize the power management subsystem. This MCU-specific function
* must be called *very* early in the initialization sequence *before* any
* other device drivers are initialized (since they may attempt to register
* with the power management subsystem).
*/
up_pminitialize();
#endif
#ifdef CONFIG_ARCH_DMA
/* Initialize the DMA subsystem if the weak function up_dmainitialize has been
* brought into the build
*/
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
if (up_dmainitialize)
#endif
{
up_dmainitialize();
}
#endif
/* Initialize the system timer interrupt */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
up_timer_initialize();
#endif
/* Register devices */
#if CONFIG_NFILE_DESCRIPTORS > 0
#if defined(CONFIG_DEV_NULL)
devnull_register(); /* Standard /dev/null */
#endif
#if defined(CONFIG_DEV_RANDOM)
devrandom_register(); /* Standard /dev/random */
#endif
#if defined(CONFIG_DEV_URANDOM)
devurandom_register(); /* Standard /dev/urandom */
#endif
#if defined(CONFIG_DEV_ZERO)
devzero_register(); /* Standard /dev/zero */
#endif
#if defined(CONFIG_DEV_LOOP)
loop_register(); /* Standard /dev/loop */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */
#if defined(CONFIG_SCHED_INSTRUMENTATION_BUFFER) && \
defined(CONFIG_DRIVER_NOTE)
note_register(); /* Non-standard /dev/note */
#endif
/* Initialize the serial device driver */
#ifdef USE_SERIALDRIVER
up_serialinit();
#endif
/* Initialize the console device driver (if it is other than the standard
* serial driver).
*/
#if defined(CONFIG_DEV_LOWCONSOLE)
lowconsole_init();
#elif defined(CONFIG_CONSOLE_SYSLOG)
syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
ramlog_consoleinit();
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_PSEUDOTERM_SUSV1)
/* Register the master pseudo-terminal multiplexor device */
(void)ptmx_register();
#endif
/* Early initialization of the system logging device. Some SYSLOG channel
* can be initialized early in the initialization sequence because they
* depend on only minimal OS initialization.
*/
syslog_initialize(SYSLOG_INIT_EARLY);
#if defined(CONFIG_CRYPTO)
/* Initialize the HW crypto and /dev/crypto */
up_cryptoinitialize();
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_CRYPTO_CRYPTODEV)
devcrypto_register();
#endif
#ifndef CONFIG_NETDEV_LATEINIT
/* Initialize the network */
up_netinitialize();
#endif
#ifdef CONFIG_NETDEV_LOOPBACK
/* Initialize the local loopback device */
(void)localhost_initialize();
#endif
#ifdef CONFIG_NET_TUN
/* Initialize the TUN device */
(void)tun_initialize();
#endif
#ifdef CONFIG_NETDEV_TELNET
/* Initialize the Telnet session factory */
(void)telnet_initialize();
#endif
/* Initialize USB -- device and/or host */
up_usbinitialize();
board_autoled_on(LED_IRQSENABLED);
}
void up_initialize(void)
{
/* Initialize global variables */
current_regs = NULL;
/* Calibrate the timing loop */
up_calibratedelay();
/* Colorize the interrupt stack */
up_color_intstack();
/* Add any extra memory fragments to the memory manager */
up_addregion();
/* Initialize the interrupt subsystem */
up_irqinitialize();
/* Initialize the power management subsystem. This MCU-specific function
* must be called *very* early in the initialization sequence *before* any
* other device drivers are initialized (since they may attempt to register
* with the power management subsystem).
*/
#ifdef CONFIG_PM
up_pminitialize();
#endif
/* Initialize the DMA subsystem if the weak function up_dmainitialize has been
* brought into the build
*/
#ifdef CONFIG_ARCH_DMA
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
if (up_dmainitialize)
#endif
{
up_dmainitialize();
}
#endif
/* Initialize the system timer interrupt */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS) && \
!defined(CONFIG_SYSTEMTICK_EXTCLK)
up_timer_initialize();
#endif
/* Register devices */
#if CONFIG_NFILE_DESCRIPTORS > 0
#if defined(CONFIG_DEV_NULL)
devnull_register(); /* Standard /dev/null */
#endif
#if defined(CONFIG_CRYPTO)
up_cryptoinitialize();
#endif
#if defined(CONFIG_CRYPTO_CRYPTODEV)
devcrypto_register(); /* /dev/crypto */
#endif
#if defined(CONFIG_DEV_ZERO)
devzero_register(); /* Standard /dev/zero */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */
/* Initialize the serial device driver */
#ifdef USE_SERIALDRIVER
up_serialinit();
#endif
/* Initialize the console device driver (if it is other than the standard
* serial driver).
*/
#if defined(CONFIG_DEV_LOWCONSOLE)
lowconsole_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
ramlog_consoleinit();
#elif defined(CONFIG_ARM_SEMIHOSTING_CONSOLE)
semihosting_consoleinit();
#elif defined(CONFIG_ARM_ITM_CONSOLE)
itm_consoleinit();
#elif defined(CONFIG_APB_USB_LOG)
usb_log_init();
#endif
/* Initialize the Random Number Generator (RNG) */
#ifdef CONFIG_DEV_RANDOM
up_rnginitialize();
#endif
/* Initialize the system logging device */
#ifdef CONFIG_SYSLOG_CHAR
syslog_initialize();
#endif
#ifdef CONFIG_RAMLOG_SYSLOG
ramlog_sysloginit();
#endif
/* Initialize the network */
up_netinitialize();
/* Initialize USB -- device and/or host */
up_usbinitialize();
/* Initialize the L2 cache if present and selected */
up_l2ccinitialize();
board_led_on(LED_IRQSENABLED);
}
void up_initialize(void)
{
/* Initialize global variables */
current_regs = NULL;
/* Calibrate the timing loop */
up_calibratedelay();
/* Initialize the interrupt subsystem */
up_irqinitialize();
/* Initialize the system timer interrupt */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
up_timer_initialize();
#endif
/* Register devices */
#if CONFIG_NFILE_DESCRIPTORS > 0
#if defined(CONFIG_DEV_NULL)
devnull_register(); /* Standard /dev/null */
#endif
#if defined(CONFIG_DEV_ZERO)
devzero_register(); /* Standard /dev/zero */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */
/* Initialize the serial device driver */
#ifdef USE_SERIALDRIVER
up_serialinit();
#endif
/* Initialize the console device driver (if it is other than the standard
* serial driver). NOTE that the naming implies that the console is a serial
* driver. That is usually the case, however, if no UARTs are enabled, the
* console could als be provided through some other device, such as an LCD.
* Architecture-specific logic will have to detect that case.
*/
#if defined(CONFIG_DEV_LOWCONSOLE)
lowconsole_init();
#elif defined(CONFIG_SYSLOG_CONSOLE)
syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
ramlog_consoleinit();
#endif
/* Initialize the system logging device */
#ifdef CONFIG_SYSLOG_CHAR
syslog_initialize();
#endif
#ifdef CONFIG_RAMLOG_SYSLOG
ramlog_sysloginit();
#endif
#ifndef CONFIG_NETDEV_LATEINIT
/* Initialize the network */
up_netinitialize();
#endif
#ifdef CONFIG_NETDEV_LOOPBACK
/* Initialize the local loopback device */
(void)localhost_initialize();
#endif
#ifdef CONFIG_NET_TUN
/* Initialize the TUN device */
(void)tun_initialize();
#endif
/* Initialize USB */
up_usbinitialize();
board_led_on(LED_IRQSENABLED);
}
void up_initialize(void)
{
/* Initialize global variables */
g_current_regs = NULL;
/* Calibrate the timing loop */
up_calibratedelay();
/* Initialize the interrupt subsystem */
up_irqinitialize();
#ifdef CONFIG_PM
/* Initialize the power management subsystem. This MCU-specific function
* must be called *very* early in the initialization sequence *before* any
* other device drivers are initialized (since they may attempt to register
* with the power management subsystem).
*/
up_pminitialize();
#endif
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
/* Initialize the system timer interrupt */
up_timer_initialize();
#endif
/* Register devices */
#if CONFIG_NFILE_DESCRIPTORS > 0
#if defined(CONFIG_DEV_NULL)
devnull_register(); /* Standard /dev/null */
#endif
#if defined(CONFIG_DEV_RANDOM)
devrandom_register(); /* Standard /dev/random */
#endif
#if defined(CONFIG_DEV_URANDOM)
devurandom_register(); /* Standard /dev/urandom */
#endif
#if defined(CONFIG_DEV_ZERO)
devzero_register(); /* Standard /dev/zero */
#endif
#if defined(CONFIG_DEV_LOOP)
loop_register(); /* Standard /dev/loop */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */
#if defined(CONFIG_SCHED_INSTRUMENTATION_BUFFER) && \
defined(CONFIG_DRIVER_NOTE)
note_register(); /* Non-standard /dev/note */
#endif
/* Initialize the serial device driver */
#ifdef USE_SERIALDRIVER
up_serialinit();
#endif
/* Initialize the console device driver (if it is other than the standard
* serial driver). NOTE that the naming implies that the console is a serial
* driver. That is usually the case, however, if no UARTs are enabled, the
* console could als be provided through some other device, such as an LCD.
* Architecture-specific logic will have to detect that case.
*/
#if defined(CONFIG_DEV_LOWCONSOLE)
lowconsole_init();
#elif defined(CONFIG_CONSOLE_SYSLOG)
syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
ramlog_consoleinit();
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_PSEUDOTERM_SUSV1)
/* Register the master pseudo-terminal multiplexor device */
(void)ptmx_register();
#endif
/* Early initialization of the system logging device. Some SYSLOG channel
* can be initialized early in the initialization sequence because they
* depend on only minimal OS initialization.
*/
syslog_initialize(SYSLOG_INIT_EARLY);
#if defined(CONFIG_CRYPTO)
/* Initialize the HW crypto and /dev/crypto */
up_cryptoinitialize();
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_CRYPTO_CRYPTODEV)
devcrypto_register();
#endif
#ifndef CONFIG_NETDEV_LATEINIT
/* Initialize the network */
up_netinitialize();
#endif
#ifdef CONFIG_NETDEV_LOOPBACK
/* Initialize the local loopback device */
(void)localhost_initialize();
#endif
#ifdef CONFIG_NET_TUN
/* Initialize the TUN device */
(void)tun_initialize();
#endif
#ifdef CONFIG_NETDEV_TELNET
/* Initialize the Telnet session factory */
(void)telnet_initialize();
#endif
/* Initialize USB */
up_usbinitialize();
board_autoled_on(LED_IRQSENABLED);
}
void up_initialize(void)
{
/* Initialize global variables */
current_regs = NULL;
/* Calibrate the timing loop */
up_calibratedelay();
/* Add any extra memory fragments to the memory manager */
#if CONFIG_MM_REGIONS > 1
up_addregion();
#endif
/* Initialize the interrupt subsystem */
up_irqinitialize();
/* Initialize the system timer interrupt */
#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
up_timer_initialize();
#endif
/* Register devices */
#if CONFIG_NFILE_DESCRIPTORS > 0
#if defined(CONFIG_DEV_NULL)
devnull_register(); /* Standard /dev/null */
#endif
#if defined(CONFIG_DEV_ZERO)
devzero_register(); /* Standard /dev/zero */
#endif
#if defined(CONFIG_DEV_LOOP)
loop_register(); /* Standard /dev/loop */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */
/* Initialize the serial device driver */
#ifdef USE_SERIALDRIVER
up_serialinit();
#endif
/* Initialize the console device driver (if it is other than the standard
* serial driver).
*/
#if defined(CONFIG_DEV_LOWCONSOLE)
lowconsole_init();
#elif defined(CONFIG_SYSLOG_CONSOLE)
syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
ramlog_consoleinit();
#endif
/* Initialize the system logging device */
#ifdef CONFIG_SYSLOG_CHAR
syslog_initialize();
#endif
#ifdef CONFIG_RAMLOG_SYSLOG
ramlog_sysloginit();
#endif
#ifndef CONFIG_NETDEV_LATEINIT
/* Initialize the network */
up_netinitialize();
#endif
#ifdef CONFIG_NETDEV_LOOPBACK
/* Initialize the local loopback device */
(void)localhost_initialize();
#endif
#ifdef CONFIG_NET_TUN
/* Initialize the TUN device */
(void)tun_initialize();
#endif
#ifdef CONFIG_NETDEV_TELNET
/* Initialize the Telnet session factory */
(void)telnet_initialize();
#endif
board_autoled_on(LED_IRQSENABLED);
}