Add udma_barrier definitions for RISC-V
Reviewed by: kib Sponsored by: The FreeBSD Foundation
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=336620
@ -104,6 +104,10 @@
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#include <sys/types.h>
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#include <sys/types.h>
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#include <machine/atomic.h>
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#include <machine/atomic.h>
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#define udma_to_device_barrier() dmb()
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#define udma_to_device_barrier() dmb()
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#elif defined(__riscv)
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#include <sys/types.h>
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#include <machine/atomic.h>
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#define udma_to_device_barrier() fence()
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#else
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#else
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#error No architecture specific memory barrier defines found!
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#error No architecture specific memory barrier defines found!
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#endif
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#endif
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@ -140,6 +144,8 @@
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#define udma_from_device_barrier() mips_sync()
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#define udma_from_device_barrier() mips_sync()
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#elif defined(__arm__)
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#elif defined(__arm__)
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#define udma_from_device_barrier() dmb()
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#define udma_from_device_barrier() dmb()
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#elif defined(__riscv)
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#define udma_from_device_barrier() fence()
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#else
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#else
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#error No architecture specific memory barrier defines found!
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#error No architecture specific memory barrier defines found!
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#endif
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#endif
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@ -208,6 +214,8 @@
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#define mmio_flush_writes() mips_sync()
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#define mmio_flush_writes() mips_sync()
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#elif defined(__arm__)
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#elif defined(__arm__)
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#define mmio_flush_writes() dmb()
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#define mmio_flush_writes() dmb()
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#elif defined(__riscv)
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#define mmio_flush_writes() fence()
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#else
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#else
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#error No architecture specific memory barrier defines found!
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#error No architecture specific memory barrier defines found!
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#endif
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#endif
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