freertos: Make xPortGetCoreID() volatile
When xPortGetCoreID() is called twice within a function, it might only be called once after compilation. This commit makes the inline assembly of the function volatile. Closes #3093
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1 changed files with 1 additions and 1 deletions
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@ -199,7 +199,7 @@ BaseType_t xPortInIsrContext();
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/* Multi-core: get current core ID */
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/* Multi-core: get current core ID */
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static inline uint32_t IRAM_ATTR xPortGetCoreID() {
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static inline uint32_t IRAM_ATTR xPortGetCoreID() {
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int id;
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int id;
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asm (
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__asm__ __volatile__ (
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"rsr.prid %0\n"
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"rsr.prid %0\n"
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" extui %0,%0,13,1"
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" extui %0,%0,13,1"
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:"=r"(id));
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:"=r"(id));
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