mirror of https://github.com/ArduPilot/ardupilot
HAL_ChibiOS: added cache management for H7 in bouncebuffer code
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@ -21,7 +21,10 @@
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#include <stdio.h>
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#include <stdio.h>
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#include "bouncebuffer.h"
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#include "bouncebuffer.h"
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#if DTCM_RAM_SIZE_KB > 0
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#if defined(STM32H7)
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// always use a bouncebuffer on H7, to ensure alignment and padding
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#define IS_DMA_SAFE(addr) false
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#elif DTCM_RAM_SIZE_KB > 0
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// on F7 and H7 we check we are in the DTCM region, and 16 bit aligned
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// on F7 and H7 we check we are in the DTCM region, and 16 bit aligned
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#define IS_DMA_SAFE(addr) ((((uint32_t)(addr)) & ((0xFFFFFFFF & ~(DTCM_RAM_SIZE_KB*1024U-1)) | 1U)) == 0x20000000)
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#define IS_DMA_SAFE(addr) ((((uint32_t)(addr)) & ((0xFFFFFFFF & ~(DTCM_RAM_SIZE_KB*1024U-1)) | 1U)) == 0x20000000)
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#else
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#else
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@ -63,6 +66,10 @@ void bouncebuffer_setup_read(struct bouncebuffer_t *bouncebuffer, uint8_t **buf,
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bouncebuffer->size = size;
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bouncebuffer->size = size;
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}
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}
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*buf = bouncebuffer->dma_buf;
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*buf = bouncebuffer->dma_buf;
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#if defined(STM32H7)
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osalDbgAssert((((uint32_t)*buf)&31) == 0, "bouncebuffer read align");
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cacheBufferInvalidate(*buf, (size+31)&~31);
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#endif
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bouncebuffer->busy = true;
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bouncebuffer->busy = true;
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}
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}
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@ -99,6 +106,10 @@ void bouncebuffer_setup_write(struct bouncebuffer_t *bouncebuffer, const uint8_t
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}
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}
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memcpy(bouncebuffer->dma_buf, *buf, size);
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memcpy(bouncebuffer->dma_buf, *buf, size);
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*buf = bouncebuffer->dma_buf;
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*buf = bouncebuffer->dma_buf;
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#if defined(STM32H7)
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osalDbgAssert((((uint32_t)*buf)&31) == 0, "bouncebuffer write align");
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cacheBufferFlush(*buf, (size+31)&~31);
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#endif
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bouncebuffer->busy = true;
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bouncebuffer->busy = true;
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}
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}
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