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author	Michael Brown <mcb30@ipxe.org>
	Tue, 8 Jul 2025 13:56:47 +0000 (14:56 +0100)
committer	Michael Brown <mcb30@ipxe.org>
	Wed, 9 Jul 2025 10:07:37 +0000 (11:07 +0100)
commit	101ef74a6e7ed29af42f9d5432504b437e75374d
tree	446dba9b7600314db3563d1f8ac1c54f231daea7	tree
parent	22de0c4edf2fe1cdbca5e22c52c86a2289d04816	commit \| diff

[riscv] Provide a DMA API implementation for RISC-V bare-metal systems

Provide an implementation of dma_map() that performs cache clean or
invalidation as required, and an implementation of dma_alloc() that
returns virtual addresses within the coherent mapping of the 32-bit
physical address space.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/arch/riscv/core/riscv_dma.c	[new file with mode: 0644]	blob
src/arch/riscv/core/zicbom.c		diff \| blob \| blame \| history
src/arch/riscv/include/bits/dma.h	[new file with mode: 0644]	blob
src/arch/riscv/include/ipxe/riscv_dma.h	[new file with mode: 0644]	blob
src/arch/riscv/include/ipxe/svpage.h		diff \| blob \| blame \| history
src/arch/riscv/include/ipxe/zicbom.h		diff \| blob \| blame \| history
src/config/defaults/sbi.h		diff \| blob \| blame \| history
src/include/bits/dma.h	[new file with mode: 0644]	blob
src/include/ipxe/dma.h		diff \| blob \| blame \| history

Mirror of https://github.com/ipxe/ipxe.git

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