mirror of https://github.com/CTCaer/hekate.git
167 lines
3.8 KiB
C
167 lines
3.8 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2023 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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#ifndef _PKG2_H_
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#define _PKG2_H_
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#include <bdk.h>
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#define PKG2_MAGIC 0x31324B50
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#define PKG2_SEC_BASE 0x80000000
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#define PKG2_SEC_KERNEL 0
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#define PKG2_SEC_INI1 1
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#define INI1_MAGIC 0x31494E49
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//! TODO: Update on kernel change if needed.
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// Offset of OP + 12 is the INI1 offset. On v2 with dynamic crt0 it's + 16.
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#define PKG2_NEWKERN_GET_INI1_HEURISTIC 0xD2800015
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#define PKG2_NEWKERN_START 0x800
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#define ATM_MESOSPHERE 0x3053534D
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extern u32 pkg2_newkern_ini1_info;
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extern u32 pkg2_newkern_ini1_start;
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extern u32 pkg2_newkern_ini1_end;
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typedef struct _kernel_patch_t
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{
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u32 id;
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u32 off;
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u32 val;
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u32 *ptr;
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} kernel_patch_t;
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#define KERNEL_PATCHSET_DEF(name, ...) \
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kernel_patch_t name[] = { \
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__VA_ARGS__, \
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{0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, (u32 *)0xFFFFFFFF} \
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}
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enum
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{
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// Always applied.
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SVC_GENERIC = 0,
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// Generic instruction patches.
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SVC_VERIFY_DS = 0x10,
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DEBUG_MODE_EN = 0x11,
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ATM_GEN_PATCH = 0x12,
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ATM_SYSM_INCR = ATM_GEN_PATCH,
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// >4 bytes patches. Value is a pointer of a u32 array.
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ATM_ARR_PATCH = 0x13,
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};
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typedef struct _pkg2_hdr_t
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{
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u8 ctr[0x10];
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u8 sec_ctr[0x40];
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u32 magic;
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u32 base;
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u32 pad0;
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u8 pkg2_ver;
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u8 bl_ver;
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u16 pad1;
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u32 sec_size[4];
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u32 sec_off[4];
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u8 sec_sha256[0x80];
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u8 data[];
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} pkg2_hdr_t;
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typedef struct _pkg2_ini1_t
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{
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u32 magic;
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u32 size;
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u32 num_procs;
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u32 pad;
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} pkg2_ini1_t;
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typedef struct _pkg2_kip1_sec_t
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{
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u32 offset;
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u32 size_decomp;
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u32 size_comp;
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u32 attrib;
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} pkg2_kip1_sec_t;
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#define KIP1_NUM_SECTIONS 6
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typedef struct _pkg2_kip1_t
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{
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/* 0x000 */ u32 magic;
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/* 0x004*/ u8 name[12];
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/* 0x010 */ u64 tid;
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/* 0x018 */ u32 proc_cat;
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/* 0x01C */ u8 main_thrd_prio;
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/* 0x01D */ u8 def_cpu_core;
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/* 0x01E */ u8 res;
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/* 0x01F */ u8 flags;
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/* 0x020 */ pkg2_kip1_sec_t sections[KIP1_NUM_SECTIONS];
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/* 0x080 */ u32 caps[0x20];
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/* 0x100 */ u8 data[];
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} pkg2_kip1_t;
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typedef struct _pkg2_kip1_info_t
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{
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pkg2_kip1_t *kip1;
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u32 size;
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link_t link;
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} pkg2_kip1_info_t;
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typedef struct _pkg2_kernel_id_t
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{
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u8 hash[8];
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kernel_patch_t *kernel_patchset;
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} pkg2_kernel_id_t;
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#define KIP1_PATCH_SRC_NO_CHECK (char *)(-1)
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typedef struct _kip1_patch_t
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{
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u32 offset; // section+offset of patch to apply.
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u32 length; // In bytes, 0 means last patch.
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char *src_data; // That must match.
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char *dst_data; // That it gets replaced by.
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} kip1_patch_t;
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typedef struct _kip1_patchset_t
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{
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char *name; // NULL means end.
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kip1_patch_t *patches; // NULL means not necessary.
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} kip1_patchset_t;
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typedef struct _kip1_id_t
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{
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const char *name;
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u8 hash[8];
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kip1_patchset_t *patchset;
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} kip1_id_t;
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void pkg2_get_newkern_info(u8 *kern_data);
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bool pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
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int pkg2_has_kip(link_t *info, u64 tid);
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void pkg2_replace_kip(link_t *info, u64 tid, pkg2_kip1_t *kip1);
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void pkg2_add_kip(link_t *info, pkg2_kip1_t *kip1);
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void pkg2_merge_kip(link_t *info, pkg2_kip1_t *kip1);
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void pkg2_get_ids(kip1_id_t **ids, u32 *entries);
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const char *pkg2_patch_kips(link_t *info, char *patch_names);
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const pkg2_kernel_id_t *pkg2_identify(u8 *hash);
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pkg2_hdr_t *pkg2_decrypt(void *data, u8 kb, bool is_exo);
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void pkg2_build_encrypt(void *dst, void *hos_ctxt, link_t *kips_info, bool is_exo);
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#endif
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