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https://github.com/isfshax/isfshax.git
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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* isfshax.h
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*
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* Copyright (C) 2021 rw-r-r-0644 <rwrr0644@gmail.com>
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*
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* This code is licensed to you under the terms of the GNU GPL, version 2;
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* see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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*/
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#pragma once
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#include "types.h"
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#include "nand.h"
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#include "isfs/isfs.h"
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#define ISFSHAX_MAGIC 0x48415858
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#define ISFSHAX_REDUNDANCY (1 << 2)
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#define ISFSHAX_GENERATION_FIRST 0xffff7fff
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#define ISFSHAX_GENERATION_RANGE 0x100
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#define ISFSHAX_BAD_SLOT 0x80
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typedef struct isfshax_info
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{
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u32 magic;
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u8 slots[ISFSHAX_REDUNDANCY];
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u32 generation;
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u32 generationbase;
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u32 index;
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} isfshax_info;
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_Static_assert(sizeof(isfshax_info) == 0x14, "isfshax_info must be 0x14");
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typedef struct isfshax_super
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{
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char magic[4];
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u32 generation;
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u32 x1;
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u16 fat[CLUSTER_COUNT];
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isfs_fst fst[6143];
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isfshax_info isfshax;
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} PACKED ALIGNED(NAND_DATA_ALIGN) isfshax_super;
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_Static_assert(sizeof(isfshax_super) == ISFSSUPER_SIZE, "isfshax_super must be 0x40000");
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int isfshax_refresh();
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