mirror of
https://github.com/CTCaer/hekate
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47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2024 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <utils/types.h>
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#define MC_SMMU_AVPC_ASID 0x23C
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#define MC_SMMU_TSEC_ASID 0x294
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#define SMMU_PDE_NEXT_SHIFT 28
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#define MC_SMMU_PTB_DATA_0_ASID_NONSECURE_SHIFT 29
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#define MC_SMMU_PTB_DATA_0_ASID_WRITABLE_SHIFT 30
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#define MC_SMMU_PTB_DATA_0_ASID_READABLE_SHIFT 31
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#define _READABLE (1 << MC_SMMU_PTB_DATA_0_ASID_READABLE_SHIFT)
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#define _WRITABLE (1 << MC_SMMU_PTB_DATA_0_ASID_WRITABLE_SHIFT)
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#define _NONSECURE (1 << MC_SMMU_PTB_DATA_0_ASID_NONSECURE_SHIFT)
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#define _PDE_NEXT (1 << SMMU_PDE_NEXT_SHIFT)
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#define _MASK_ATTR (_READABLE | _WRITABLE | _NONSECURE)
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#define _PDIR_ATTR (_READABLE | _WRITABLE | _NONSECURE)
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#define _PDE_ATTR (_READABLE | _WRITABLE | _NONSECURE)
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#define _PDE_VACANT(pdn) (((pdn) << 10) | _PDE_ATTR)
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#define _PTE_ATTR (_READABLE | _WRITABLE | _NONSECURE)
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#define _PTE_VACANT(addr) (((addr) >> SMMU_PAGE_SHIFT) | _PTE_ATTR)
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void *smmu_page_zalloc(u32 num);
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void smmu_flush_all();
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void smmu_init();
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void smmu_enable();
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u32 *smmu_init_domain4(u32 dev_base, u32 asid);
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u32 *smmu_get_pte(u32 *pdir, u32 iova);
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void smmu_map(u32 *pdir, u32 addr, u32 page, int cnt, u32 attr);
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u32 *smmu_init_domain(u32 asid);
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void smmu_deinit_domain(u32 asid);
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