mirror of https://github.com/m-labs/artiq.git
runtime: remove useless copy of flush_cpu_dcache().
ksupport used to not link to libbase, I think.
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b3b1ea71c5
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@ -10,25 +10,6 @@
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static unsigned int last_transmission;
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static void _flush_cpu_dcache(void)
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{
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unsigned long dccfgr;
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unsigned long cache_set_size;
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unsigned long cache_ways;
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unsigned long cache_block_size;
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unsigned long cache_size;
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int i;
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dccfgr = mfspr(SPR_DCCFGR);
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cache_ways = 1 << (dccfgr & SPR_ICCFGR_NCW);
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cache_set_size = 1 << ((dccfgr & SPR_DCCFGR_NCS) >> 3);
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cache_block_size = (dccfgr & SPR_DCCFGR_CBS) ? 32 : 16;
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cache_size = cache_set_size * cache_ways * cache_block_size;
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for (i = 0; i < cache_size; i += cache_block_size)
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mtspr(SPR_DCBIR, i);
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}
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void mailbox_send(void *ptr)
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{
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last_transmission = (unsigned int)ptr;
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@ -58,7 +39,7 @@ void *mailbox_receive(void)
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return NULL;
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else {
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if(r) {
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_flush_cpu_dcache();
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flush_cpu_dcache();
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}
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return (void *)r;
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}
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