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Merge branch 'feat/support_rv_fp_retention_v5.5' into 'release/v5.5'

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feat(esp_hw_support): support rv fp retention (v5.5)

See merge request espressif/esp-idf!46522
This commit is contained in:
Jiang Jiang Jian
2026-03-30 14:07:53 +08:00
parent 837dd9368f a978e364a6
commit 0a981c10cd
11 changed files with 322 additions and 8 deletions
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components/freertos/FreeRTOS-Kernel/portable/riscv/include/freertos/portmacro.h
+16 -1
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@@ -6,7 +6,7 @@
*
* SPDX-License-Identifier: MIT
*
* SPDX-FileContributor: 2023-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileContributor: 2023-2026 Espressif Systems (Shanghai) CO LTD
*
* 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
@@ -758,6 +758,21 @@ extern volatile UBaseType_t xPortSwitchFlag[portNUM_PROCESSORS];
#define os_task_switch_is_pended(_cpu_) (false)
#endif
// -------------- FPU softerware retention ------------------
#if (SOC_CPU_COPROC_NUM > 0) && SOC_CPU_HAS_FPU && SOC_PM_FPU_RETENTION_BY_SW
/**
* @brief Whether the FPU context is dirty on the given core.
*
* Returns non-zero if any task has used the FPU, such context should be
* saved during sleep retention.
*
* @param core_id Core id
* @return pdTRUE FPU context is dirty
* @return pdFALSE FPU was not used
*/
BaseType_t xPortFPUContextIsDirty(BaseType_t core_id);
#endif
#ifdef __cplusplus
}
#endif
components/freertos/FreeRTOS-Kernel/portable/riscv/port.c
+7 -1
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@@ -6,7 +6,7 @@
*
* SPDX-License-Identifier: MIT
*
* SPDX-FileContributor: 2023-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileContributor: 2023-2026 Espressif Systems (Shanghai) CO LTD
*
* 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
@@ -886,3 +886,9 @@ void vPortCoprocUsedInISR(void* frame)
/* ---------------------------------------------- Misc Implementations -------------------------------------------------
*
* ------------------------------------------------------------------------------------------------------------------ */
#if (SOC_CPU_COPROC_NUM > 0) && SOC_CPU_HAS_FPU && SOC_PM_FPU_RETENTION_BY_SW
BaseType_t xPortFPUContextIsDirty(BaseType_t core_id)
{
return (BaseType_t)(port_uxCoprocOwner[core_id][FPU_COPROC_IDX] != NULL);
}
#endif /* (SOC_CPU_COPROC_NUM > 0) && SOC_CPU_HAS_FPU && SOC_PM_FPU_RETENTION_BY_SW */
components/freertos/linker.lf
+2
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@@ -374,3 +374,5 @@ entries:
port:xPortInterruptedFromISRContext (default)
port:vPortYieldFromISR (default)
port:vPortYieldOtherCore (default)
if (SOC_CPU_COPROC_NUM > 0) && SOC_CPU_HAS_FPU && SOC_PM_FPU_RETENTION_BY_SW:
port:xPortFPUContextIsDirty (noflash_text)