60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* VAS_EBOOT -- GRand Unified Bootloader
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* Copyright (C) 2007,2009 Free Software Foundation, Inc.
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*
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* VAS_EBOOT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* VAS_EBOOT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with VAS_EBOOT. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <VasEBoot/dl.h>
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#include <VasEBoot/dma.h>
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#include <VasEBoot/mm.h>
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#include <VasEBoot/misc.h>
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#include <VasEBoot/mm_private.h>
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#include <VasEBoot/cache.h>
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struct VasEBoot_pci_dma_chunk *
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VasEBoot_memalign_dma32 (VasEBoot_size_t align, VasEBoot_size_t size)
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{
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void *ret;
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if (align < 64)
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align = 64;
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size = ALIGN_UP (size, align);
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ret = VasEBoot_memalign (align, size);
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if (!ret)
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return 0;
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VasEBoot_arch_sync_dma_caches (ret, size);
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return ret;
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}
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void
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VasEBoot_dma_free (struct VasEBoot_pci_dma_chunk *ch)
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{
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VasEBoot_size_t size = (((struct VasEBoot_mm_header *) ch) - 1)->size * VAS_EBOOT_MM_ALIGN;
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VasEBoot_arch_sync_dma_caches (ch, size);
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VasEBoot_free (ch);
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}
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volatile void *
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VasEBoot_dma_get_virt (struct VasEBoot_pci_dma_chunk *ch)
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{
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return (void *) ch;
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}
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VasEBoot_uint32_t
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VasEBoot_dma_get_phys (struct VasEBoot_pci_dma_chunk *ch)
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{
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return (VasEBoot_uint32_t) (VasEBoot_addr_t) ch;
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}
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