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David Chalco 2021-01-15 11:04:31 -08:00 • committed by GitHub
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126
portable/ThirdParty/GCC/Xtensa_ESP32/xtensa_init.c vendored
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@ -1,63 +1,63 @@
/*******************************************************************************
* // Copyright (c) 2003-2015 Cadence Design Systems, Inc.
* //
* // Permission is hereby granted, free of charge, to any person obtaining
* // a copy of this software and associated documentation files (the
* // "Software"), to deal in the Software without restriction, including
* // without limitation the rights to use, copy, modify, merge, publish,
* // distribute, sublicense, and/or sell copies of the Software, and to
* // permit persons to whom the Software is furnished to do so, subject to
* // the following conditions:
* //
* // The above copyright notice and this permission notice shall be included
* // in all copies or substantial portions of the Software.
* //
* // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* --------------------------------------------------------------------------------
*
* XTENSA INITIALIZATION ROUTINES CODED IN C
*
* This file contains miscellaneous Xtensa RTOS-generic initialization functions
* that are implemented in C.
*
*******************************************************************************/
#ifdef XT_BOARD
#include <xtensa/xtbsp.h>
#endif
#include "xtensa_rtos.h"
#include "esp_idf_version.h"
#if (ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 2, 0))
#include "esp_clk.h"
#else
#if CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/clk.h"
#elif CONFIG_IDF_TARGET_ESP32
#include "esp32/clk.h"
#endif
#endif /* ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 2, 0) */
#ifdef XT_RTOS_TIMER_INT
unsigned _xt_tick_divisor = 0; /* cached number of cycles per tick */
void _xt_tick_divisor_init( void )
{
_xt_tick_divisor = esp_clk_cpu_freq() / XT_TICK_PER_SEC;
}
/* Deprecated, to be removed */
int xt_clock_freq( void )
{
return esp_clk_cpu_freq();
}
#endif /* XT_RTOS_TIMER_INT */
/*******************************************************************************
* // Copyright (c) 2003-2015 Cadence Design Systems, Inc.
* //
* // Permission is hereby granted, free of charge, to any person obtaining
* // a copy of this software and associated documentation files (the
* // "Software"), to deal in the Software without restriction, including
* // without limitation the rights to use, copy, modify, merge, publish,
* // distribute, sublicense, and/or sell copies of the Software, and to
* // permit persons to whom the Software is furnished to do so, subject to
* // the following conditions:
* //
* // The above copyright notice and this permission notice shall be included
* // in all copies or substantial portions of the Software.
* //
* // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* --------------------------------------------------------------------------------
*
* XTENSA INITIALIZATION ROUTINES CODED IN C
*
* This file contains miscellaneous Xtensa RTOS-generic initialization functions
* that are implemented in C.
*
*******************************************************************************/
#ifdef XT_BOARD
#include <xtensa/xtbsp.h>
#endif
#include "xtensa_rtos.h"
#include "esp_idf_version.h"
#if (ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 2, 0))
#include "esp_clk.h"
#else
#if CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/clk.h"
#elif CONFIG_IDF_TARGET_ESP32
#include "esp32/clk.h"
#endif
#endif /* ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 2, 0) */
#ifdef XT_RTOS_TIMER_INT
unsigned _xt_tick_divisor = 0; /* cached number of cycles per tick */
void _xt_tick_divisor_init( void )
{
_xt_tick_divisor = esp_clk_cpu_freq() / XT_TICK_PER_SEC;
}
/* Deprecated, to be removed */
int xt_clock_freq( void )
{
return esp_clk_cpu_freq();
}
#endif /* XT_RTOS_TIMER_INT */