mirror of
https://github.com/espressif/esp-idf.git
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a9fda54d39
This commit updates the visibility of various header files and cleans up some unnecessary inclusions. Also, this commit removes certain header include paths which were maintained for backward compatibility.
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "compare_set.h"
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#include "spinlock.h"
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#include "soc/soc_caps.h"
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#if __XTENSA__ && SOC_SPIRAM_SUPPORTED
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static spinlock_t global_extram_lock = SPINLOCK_INITIALIZER;
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void compare_and_set_extram(volatile uint32_t *addr, uint32_t compare, uint32_t *set)
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{
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uint32_t intlevel, old_value;
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__asm__ __volatile__ ("rsil %0, " XTSTR(XCHAL_EXCM_LEVEL) "\n"
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: "=r"(intlevel));
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spinlock_acquire(&global_extram_lock, SPINLOCK_WAIT_FOREVER);
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old_value = *addr;
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if (old_value == compare) {
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*addr = *set;
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}
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spinlock_release(&global_extram_lock);
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__asm__ __volatile__ ("memw \n"
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"wsr %0, ps\n"
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:: "r"(intlevel));
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*set = old_value;
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}
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#else // __XTENSA__ && SOC_SPIRAM_SUPPORTED
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void compare_and_set_extram(volatile uint32_t *addr, uint32_t compare, uint32_t *set)
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{
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compare_and_set_native(addr, compare, set);
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}
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#endif // endif
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