mirror of
https://github.com/Atmosphere-NX/Atmosphere
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63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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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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#ifndef FUSEE_SMMU_H_
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#define FUSEE_SMMU_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#define SMMU_HEAP_BASE_ADDR 0x81000000
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#define SMMU_IRAM_BACKUP_ADDR 0x82000000
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#define SMMU_AARCH64_PAYLOAD_ADDR 0x40003F00
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#define SMMU_PAGE_SHIFT 12
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#define SMMU_PAGE_SIZE (1 << SMMU_PAGE_SHIFT)
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#define SMMU_PDIR_COUNT 1024
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#define SMMU_PDIR_SIZE (sizeof(uint32_t) * SMMU_PDIR_COUNT)
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#define SMMU_PTBL_COUNT 1024
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#define SMMU_PTBL_SIZE (sizeof(uint32_t) * SMMU_PTBL_COUNT)
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#define SMMU_PDIR_SHIFT 12
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#define SMMU_PDE_SHIFT 12
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#define SMMU_PTE_SHIFT 12
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#define SMMU_PFN_MASK 0x000fffff
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#define SMMU_PDE_NEXT_SHIFT 28
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#define SMMU_ADDR_TO_PFN(addr) ((addr) >> 12)
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#define SMMU_ADDR_TO_PDN(addr) ((addr) >> 22)
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#define SMMU_PDN_TO_ADDR(pdn) ((pdn) << 22)
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#define _READABLE (1 << 31)
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#define _WRITABLE (1 << 30)
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#define _NONSECURE (1 << 29)
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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_ATTR_N (_PDE_ATTR | _PDE_NEXT)
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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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#define SMMU_MK_PDIR(page, attr) (((page) >> SMMU_PDIR_SHIFT) | (attr))
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#define SMMU_MK_PDE(page, attr) (((page) >> SMMU_PDE_SHIFT) | (attr))
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#define SMMU_EX_PTBL_PAGE(pde) (((pde) & SMMU_PFN_MASK) << SMMU_PDIR_SHIFT)
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#define SMMU_PFN_TO_PTE(pfn, attr) ((pfn) | (attr))
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#define SMMU_ASID_ENABLE(asid) ((asid) | (1 << 31))
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#define SMMU_ASID_DISABLE 0
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#define SMMU_ASID_ASID(n) ((n) & ~SMMU_ASID_ENABLE(0))
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void smmu_emulate_tsec(void *tsec_keys, const void *package1, size_t package1_size, void *package1_dec);
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#endif |