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fix(esp_timer): avoid signed integer overflow in ESP_SYSTEM_INIT_FN

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CONFIG_ESP_TIMER_ISR_AFFINITY can be equal to -1, whereas
ESP_SYSTEM_INIT_FN takes an uint16_t argument. To avoid overflow,
move the choice of init mask into source code and set the value
explicitly.
This commit is contained in:
Ivan Grokhotkov 2023-11-25 02:25:20 +01:00
parent 75c92c3a66
commit 6046b396ac
No known key found for this signature in database
GPG Key ID: 1E050E141B280628
3 changed files with 12 additions and 9 deletions
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2
components/esp_system/system_init_fn.txt
View File

@ -54,7 +54,7 @@ CORE: 170: init_xt_wdt in components/esp_system/startup_funcs.c on BIT(0)
########### SECONDARY startup stage ###########
# esp_timer has to be initialized early, since it is used by several other components
SECONDARY: 100: esp_timer_startup_init in components/esp_timer/src/esp_timer.c on CONFIG_ESP_TIMER_ISR_AFFINITY
SECONDARY: 100: esp_timer_startup_init in components/esp_timer/src/esp_timer.c on ESP_TIMER_INIT_MASK
# HW stack guard via assist-debug module.
SECONDARY: 101: esp_hw_stack_guard_init in components/esp_system/hw_stack_guard.c on ESP_SYSTEM_INIT_ALL_CORES

6
components/esp_timer/Kconfig
View File

@ -74,12 +74,6 @@ menu "High resolution timer (esp_timer)"
depends on !FREERTOS_UNICORE && ESP_TIMER_SHOW_EXPERIMENTAL
endchoice
config ESP_TIMER_ISR_AFFINITY
hex
default 0x1 if ESP_TIMER_ISR_AFFINITY_CPU0
default 0x2 if ESP_TIMER_ISR_AFFINITY_CPU1
default FREERTOS_NO_AFFINITY if ESP_TIMER_ISR_AFFINITY_NO_AFFINITY
choice ESP_TIMER_ISR_AFFINITY
prompt "timer interrupt core affinity"
default ESP_TIMER_ISR_AFFINITY_CPU0

13
components/esp_timer/src/esp_timer.c
View File

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2017-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2017-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -574,7 +574,16 @@ esp_err_t esp_timer_init(void)
return err;
}
ESP_SYSTEM_INIT_FN(esp_timer_startup_init, SECONDARY, CONFIG_ESP_TIMER_ISR_AFFINITY, 100)
#if CONFIG_ESP_TIMER_ISR_AFFINITY_CPU0
#define ESP_TIMER_INIT_MASK BIT(0)
#elif CONFIG_ESP_TIMER_ISR_AFFINITY_CPU1
#define ESP_TIMER_INIT_MASK BIT(1)
#elif CONFIG_ESP_TIMER_ISR_AFFINITY_NO_AFFINITY
#define ESP_TIMER_INIT_MASK ESP_SYSTEM_INIT_ALL_CORES
#endif // CONFIG_ESP_TIMER_ISR_AFFINITY_*
ESP_SYSTEM_INIT_FN(esp_timer_startup_init, SECONDARY, ESP_TIMER_INIT_MASK, 100)
{
return esp_timer_init();
}