2021-02-18 02:01:39 +01:00
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_ARCH_LEDS is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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2021-09-02 08:13:25 +02:00
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CONFIG_ALLOW_BSD_COMPONENTS=y
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2021-02-18 02:01:39 +01:00
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CONFIG_ARCH="xtensa"
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CONFIG_ARCH_BOARD="esp32-devkitc"
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2022-03-10 19:18:20 +01:00
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CONFIG_ARCH_BOARD_COMMON=y
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2021-02-18 02:01:39 +01:00
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CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
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CONFIG_ARCH_CHIP="esp32"
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CONFIG_ARCH_CHIP_ESP32=y
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CONFIG_ARCH_CHIP_ESP32WROVER=y
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CONFIG_ARCH_INTERRUPTSTACK=2048
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libc/machine/xtensa: make longjmp safe against context switch
In order to turn longjmp context-switch safe, it's necessary
to disable interrupts before modifying windowbase and windowstart.
Otherwise, after a context switch, windowstart and windowbase
would be different, leading to a wrongly set windowstart bit due to
longjmp writing it based on the windowbase before the context switch.
This corrupts the registers at the next window overflow reaching
that wrongly set bit.
*Background:*
This PR is related to an issue first observed on ESP-IDF
https://github.com/espressif/esp-idf/issues/5229 and it was, then,
checked on NuttX using a test application.
*The test application:*
To check if the problem affects ESP32, ESP32-S2 and ESP32-S3 on
NuttX, it was created an application based on:
https://en.cppreference.com/w/c/program/longjmp
The application creates 16 tasks (`#define NUMBER_OF_TASKS 16`)
that implements the following daemon:
```
static int setjmp_longjmp_daemon(int argc, char *argv[])
{
for (int i = 0; i < NUMBER_OF_TASKS * 2; i++)
{
jmp_buf env;
volatile int count = 0;
if (setjmp(env) != UINT16_MAX)
{
foo(&env, ++count);
}
}
sem_post(&g_sem);
return EXIT_SUCCESS;
}
```
The main function also initializes a semaphore to avoid application
exiting before tasks return successfully:
```
sem_init(&g_sem, 0, -NUMBER_OF_TASKS);
```
Finally, the round-robin interval was lowered to 1ms to raise the
chances of the longjmp being interrupted by a context switch
(`CONFIG_RR_INTERVAL=1).
This setup was able to reproduce the problem prior to this patch
being applied.
2022-11-21 19:04:32 +01:00
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CONFIG_ARCH_SETJMP_H=y
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2021-02-18 02:01:39 +01:00
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARCH_XTENSA=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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2021-07-13 07:20:45 +02:00
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CONFIG_CODECS_HASH_MD5=y
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2021-02-18 02:01:39 +01:00
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CONFIG_DEBUG_ASSERTIONS=y
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_FULLOPT=y
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CONFIG_DEBUG_SYMBOLS=y
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2021-07-13 07:20:45 +02:00
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CONFIG_DEV_URANDOM=y
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2021-02-18 02:01:39 +01:00
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CONFIG_DRIVERS_IEEE80211=y
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CONFIG_DRIVERS_WIRELESS=y
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CONFIG_ESP32_SPIFLASH=y
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2021-10-22 17:03:16 +02:00
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CONFIG_ESP32_SPIFLASH_SPIFFS=y
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2021-10-24 11:43:51 +02:00
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CONFIG_ESP32_STORAGE_MTD_SIZE=0x80000
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2021-02-18 02:01:39 +01:00
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CONFIG_ESP32_UART0=y
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2022-06-09 10:30:24 +02:00
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CONFIG_ESP32_WIFI=y
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2021-02-18 02:01:39 +01:00
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CONFIG_ESP32_WIFI_SAVE_PARAM=y
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CONFIG_EXAMPLES_HELLO=y
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2021-07-13 07:20:45 +02:00
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CONFIG_EXAMPLES_WEBSERVER=y
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2021-02-18 02:01:39 +01:00
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_IDLETHREAD_STACKSIZE=2048
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2021-12-23 04:56:43 +01:00
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INIT_STACKSIZE=3072
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2021-02-18 02:01:39 +01:00
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CONFIG_INTELHEX_BINARY=y
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CONFIG_IOB_NBUFFERS=128
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2021-03-10 15:34:44 +01:00
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CONFIG_MM_REGIONS=4
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2021-02-18 02:01:39 +01:00
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CONFIG_NAME_MAX=48
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CONFIG_NETDB_DNSCLIENT=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NETDB_DNSCLIENT_NAMESIZE=64
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2021-02-18 02:01:39 +01:00
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CONFIG_NETDEV_LATEINIT=y
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CONFIG_NETDEV_PHY_IOCTL=y
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CONFIG_NETDEV_WIRELESS_IOCTL=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NETUTILS_CODECS=y
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CONFIG_NETUTILS_HTTPD_DIRLIST=y
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CONFIG_NETUTILS_HTTPD_SENDFILE=y
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2021-04-21 17:07:22 +02:00
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CONFIG_NETUTILS_IPERF=y
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2022-06-15 14:22:22 +02:00
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CONFIG_NETUTILS_NTPCLIENT_STACKSIZE=4096
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2021-02-18 02:01:39 +01:00
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CONFIG_NETUTILS_TELNETD=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NETUTILS_WEBCLIENT=y
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CONFIG_NETUTILS_WEBSERVER=y
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2021-02-18 02:01:39 +01:00
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CONFIG_NET_BROADCAST=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NET_ETH_PKTSIZE=1518
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2021-02-18 02:01:39 +01:00
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CONFIG_NET_ICMP=y
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CONFIG_NET_ICMP_SOCKET=y
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CONFIG_NET_STATISTICS=y
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CONFIG_NET_TCP=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NET_TCP_WRITE_BUFFERS=y
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2021-02-18 02:01:39 +01:00
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CONFIG_NET_UDP=y
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2021-09-02 08:08:05 +02:00
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CONFIG_NFS=y
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2021-02-18 02:01:39 +01:00
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NSH_CODECS_BUFSIZE=2048
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2021-02-18 02:01:39 +01:00
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CONFIG_NSH_FILEIOSIZE=512
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2021-07-13 07:20:45 +02:00
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CONFIG_NSH_LINELEN=300
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2021-02-18 02:01:39 +01:00
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CONFIG_NSH_READLINE=y
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2021-07-13 07:20:45 +02:00
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CONFIG_NSH_WGET_BUFF_SIZE=2048
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2021-02-18 02:01:39 +01:00
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PTHREAD_MUTEX_TYPES=y
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_READLINE_CMD_HISTORY=y
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CONFIG_RR_INTERVAL=200
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2021-07-30 04:14:17 +02:00
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CONFIG_RTC=y
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CONFIG_RTC_ALARM=y
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CONFIG_RTC_DRIVER=y
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CONFIG_RTC_NALARMS=2
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2021-02-18 02:01:39 +01:00
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CONFIG_SCHED_LPWORK=y
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CONFIG_SIG_DEFAULT=y
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CONFIG_SMP=y
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CONFIG_SMP_NCPUS=2
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CONFIG_SPI=y
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2021-09-02 08:13:41 +02:00
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CONFIG_SPIFFS_NAME_MAX=48
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2021-02-19 00:37:11 +01:00
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CONFIG_STACK_COLORATION=y
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2021-02-18 02:01:39 +01:00
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CONFIG_START_DAY=18
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CONFIG_START_MONTH=2
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CONFIG_START_YEAR=2021
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CONFIG_SYSLOG_TIMESTAMP=y
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CONFIG_SYSTEM_DHCPC_RENEW=y
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CONFIG_SYSTEM_NSH=y
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2021-07-30 04:14:17 +02:00
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CONFIG_SYSTEM_NTPC=y
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2021-02-18 02:01:39 +01:00
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CONFIG_SYSTEM_PING=y
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CONFIG_SYSTEM_SYSTEM=y
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CONFIG_SYSTEM_TASKSET=y
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CONFIG_TESTING_GETPRIME=y
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CONFIG_TESTING_OSTEST=y
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CONFIG_TESTING_SMP=y
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2022-05-24 17:43:38 +02:00
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CONFIG_TLS_TASK_NELEM=4
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2021-02-18 02:01:39 +01:00
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CONFIG_UART0_SERIAL_CONSOLE=y
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CONFIG_WIRELESS=y
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CONFIG_WIRELESS_WAPI=y
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CONFIG_WIRELESS_WAPI_CMDTOOL=y
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CONFIG_WIRELESS_WAPI_STACKSIZE=4096
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