nuttx/boards/xtensa/esp32/esp32-devkitc/configs/wifi_smp/defconfig

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#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_LEDS is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ALLOW_BSD_COMPONENTS=y
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32-devkitc"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
CONFIG_ARCH_CHIP="esp32"
CONFIG_ARCH_CHIP_ESP32=y
CONFIG_ARCH_CHIP_ESP32WROVER=y
CONFIG_ARCH_INTERRUPTSTACK=2048
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
CONFIG_ARCH_SETJMP_H=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_CODECS_HASH_MD5=y
CONFIG_DEBUG_ASSERTIONS=y
CONFIG_DEBUG_FEATURES=y
CONFIG_DEBUG_FULLOPT=y
CONFIG_DEBUG_SYMBOLS=y
CONFIG_DEV_URANDOM=y
CONFIG_DRIVERS_IEEE80211=y
CONFIG_DRIVERS_WIRELESS=y
CONFIG_ESP32_SPIFLASH=y
CONFIG_ESP32_SPIFLASH_SPIFFS=y
CONFIG_ESP32_STORAGE_MTD_SIZE=0x80000
CONFIG_ESP32_UART0=y
CONFIG_ESP32_WIFI=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_WEBSERVER=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INIT_STACKSIZE=3072
CONFIG_INTELHEX_BINARY=y
CONFIG_IOB_NBUFFERS=128
CONFIG_MM_REGIONS=4
CONFIG_NAME_MAX=48
CONFIG_NETDB_DNSCLIENT=y
CONFIG_NETDB_DNSCLIENT_NAMESIZE=64
CONFIG_NETDEV_LATEINIT=y
CONFIG_NETDEV_PHY_IOCTL=y
CONFIG_NETDEV_WIRELESS_IOCTL=y
CONFIG_NETUTILS_CJSON=y
CONFIG_NETUTILS_CODECS=y
CONFIG_NETUTILS_HTTPD_DIRLIST=y
CONFIG_NETUTILS_HTTPD_SENDFILE=y
CONFIG_NETUTILS_IPERF=y
CONFIG_NETUTILS_NTPCLIENT_STACKSIZE=4096
CONFIG_NETUTILS_TELNETD=y
CONFIG_NETUTILS_WEBCLIENT=y
CONFIG_NETUTILS_WEBSERVER=y
CONFIG_NET_BROADCAST=y
CONFIG_NET_ETH_PKTSIZE=1518
CONFIG_NET_ICMP=y
CONFIG_NET_ICMP_SOCKET=y
CONFIG_NET_STATISTICS=y
CONFIG_NET_TCP=y
CONFIG_NET_TCP_WRITE_BUFFERS=y
CONFIG_NET_UDP=y
CONFIG_NFS=y
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_CODECS_BUFSIZE=2048
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=300
CONFIG_NSH_READLINE=y
CONFIG_NSH_WGET_BUFF_SIZE=2048
CONFIG_PREALLOC_TIMERS=4
CONFIG_PTHREAD_MUTEX_TYPES=y
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_READLINE_CMD_HISTORY=y
CONFIG_RR_INTERVAL=200
CONFIG_RTC=y
CONFIG_RTC_ALARM=y
CONFIG_RTC_DRIVER=y
CONFIG_RTC_NALARMS=2
CONFIG_SCHED_LPWORK=y
CONFIG_SIG_DEFAULT=y
CONFIG_SMP=y
CONFIG_SMP_NCPUS=2
CONFIG_SPI=y
CONFIG_SPIFFS_NAME_MAX=48
CONFIG_STACK_COLORATION=y
CONFIG_START_DAY=18
CONFIG_START_MONTH=2
CONFIG_START_YEAR=2021
CONFIG_SYSLOG_TIMESTAMP=y
CONFIG_SYSTEM_DHCPC_RENEW=y
CONFIG_SYSTEM_NSH=y
CONFIG_SYSTEM_NTPC=y
CONFIG_SYSTEM_PING=y
CONFIG_SYSTEM_SYSTEM=y
CONFIG_SYSTEM_TASKSET=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y
CONFIG_TESTING_SMP=y
CONFIG_TLS_TASK_NELEM=4
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_WIRELESS=y
CONFIG_WIRELESS_WAPI=y
CONFIG_WIRELESS_WAPI_CMDTOOL=y
CONFIG_WIRELESS_WAPI_INITCONF=y
CONFIG_WIRELESS_WAPI_STACKSIZE=4096