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Better IRQ handling (on average). 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14214 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2021-04-17 12:45:53 +00:00
parent 6dd09e650e
commit 0e61b9738d
1 changed files with 21 additions and 73 deletions
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94
os/hal/ports/RP/LLD/DMAv1/rp_dma.c
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@ -93,7 +93,7 @@ const rp_dma_channel_t __rp_dma_channels[RP_DMA_CHANNELS] = {
/* Driver local functions. */
/*===========================================================================*/
void serve_interrupt(const rp_dma_channel_t *dmachp) {
static void serve_interrupt(const rp_dma_channel_t *dmachp) {
uint32_t ct;
/* Getting and clearing error flags.*/
@ -117,6 +117,7 @@ void serve_interrupt(const rp_dma_channel_t *dmachp) {
*/
OSAL_IRQ_HANDLER(RP_DMA_IRQ_0_HANDLER) {
uint32_t ints;
const rp_dma_channel_t *dmachp;
OSAL_IRQ_PROLOGUE();
@ -124,42 +125,15 @@ OSAL_IRQ_HANDLER(RP_DMA_IRQ_0_HANDLER) {
ints = DMA->C[0].INTS;
DMA->C[0].INTS = ints;
if ((ints & (1U << 0)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(0U));
}
if ((ints & (1U << 1)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(1U));
}
if ((ints & (1U << 2)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(2U));
}
if ((ints & (1U << 3)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(3U));
}
if ((ints & (1U << 4)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(4U));
}
if ((ints & (1U << 5)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(5U));
}
if ((ints & (1U << 6)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(6U));
}
if ((ints & (1U << 7)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(7U));
}
if ((ints & (1U << 8)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(8U));
}
if ((ints & (1U << 9)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(9U));
}
if ((ints & (1U << 10)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(10U));
}
if ((ints & (1U << 11)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(11U));
}
/* Scanning sources.*/
dmachp = __rp_dma_channels;
do {
if ((ints & dmachp->chnmask) > 0U) {
ints &= ~dmachp->chnmask;
serve_interrupt(dmachp);
}
dmachp++;
} while (ints > 0U);
OSAL_IRQ_EPILOGUE();
}
@ -171,6 +145,7 @@ OSAL_IRQ_HANDLER(RP_DMA_IRQ_0_HANDLER) {
*/
OSAL_IRQ_HANDLER(RP_DMA_IRQ_1_HANDLER) {
uint32_t ints;
const rp_dma_channel_t *dmachp;
OSAL_IRQ_PROLOGUE();
@ -178,42 +153,15 @@ OSAL_IRQ_HANDLER(RP_DMA_IRQ_1_HANDLER) {
ints = DMA->C[1].INTS;
DMA->C[1].INTS = ints;
if ((ints & (1U << 0)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(0U));
}
if ((ints & (1U << 1)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(1U));
}
if ((ints & (1U << 2)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(2U));
}
if ((ints & (1U << 3)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(3U));
}
if ((ints & (1U << 4)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(4U));
}
if ((ints & (1U << 5)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(5U));
}
if ((ints & (1U << 6)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(6U));
}
if ((ints & (1U << 7)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(7U));
}
if ((ints & (1U << 8)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(8U));
}
if ((ints & (1U << 9)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(9U));
}
if ((ints & (1U << 10)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(10U));
}
if ((ints & (1U << 11)) != 0U) {
serve_interrupt(RP_DMA_CHANNEL(11U));
}
/* Scanning sources.*/
dmachp = __rp_dma_channels;
do {
if ((ints & dmachp->chnmask) > 0U) {
ints &= ~dmachp->chnmask;
serve_interrupt(dmachp);
}
dmachp++;
} while (ints > 0U);
OSAL_IRQ_EPILOGUE();
}