forked from Qortal/Brooklyn
04c1822c0a
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47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright 2016-2020 HabanaLabs, Ltd.
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* All Rights Reserved.
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*
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*/
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#ifndef INCLUDE_MMU_GENERAL_H_
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#define INCLUDE_MMU_GENERAL_H_
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#define PAGE_SHIFT_4KB 12
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#define PAGE_SHIFT_2MB 21
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#define PAGE_SIZE_2MB (_AC(1, UL) << PAGE_SHIFT_2MB)
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#define PAGE_SIZE_4KB (_AC(1, UL) << PAGE_SHIFT_4KB)
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#define PAGE_PRESENT_MASK 0x0000000000001ull
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#define SWAP_OUT_MASK 0x0000000000004ull
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#define LAST_MASK 0x0000000000800ull
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#define HOP0_MASK 0x3000000000000ull
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#define HOP1_MASK 0x0FF8000000000ull
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#define HOP2_MASK 0x0007FC0000000ull
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#define HOP3_MASK 0x000003FE00000ull
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#define HOP4_MASK 0x00000001FF000ull
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#define FLAGS_MASK 0x0000000000FFFull
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#define HOP0_SHIFT 48
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#define HOP1_SHIFT 39
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#define HOP2_SHIFT 30
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#define HOP3_SHIFT 21
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#define HOP4_SHIFT 12
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#define MMU_ARCH_5_HOPS 5
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#define HOP_PHYS_ADDR_MASK (~FLAGS_MASK)
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#define HL_PTE_SIZE sizeof(u64)
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#define HOP_TABLE_SIZE PAGE_SIZE_4KB
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#define PTE_ENTRIES_IN_HOP (HOP_TABLE_SIZE / HL_PTE_SIZE)
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#define HOP0_TABLES_TOTAL_SIZE (HOP_TABLE_SIZE * MAX_ASID)
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#define MMU_HOP0_PA43_12_SHIFT 12
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#define MMU_HOP0_PA49_44_SHIFT (12 + 32)
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#define MMU_CONFIG_TIMEOUT_USEC 2000 /* 2 ms */
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#endif /* INCLUDE_MMU_GENERAL_H_ */
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