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hos: Use a new method to get kernel/ini1 offsets

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This commit is contained in:
CTCaer 2020-04-14 17:40:41 +03:00
parent 5f142b4c86
commit 3d9c64d548
8 changed files with 87 additions and 16 deletions
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12
bootloader/frontend/fe_tools.c
View file

@ -223,9 +223,17 @@ void dump_packages12()
ini1_off = pkg2_newkern_ini1_start;
ini1_size = pkg2_newkern_ini1_end - pkg2_newkern_ini1_start;
}
if (sd_save_to_file(pkg2_hdr->data + ini1_off, ini1_size, path))
if (ini1_off)
{
if (sd_save_to_file(pkg2_hdr->data + ini1_off, ini1_size, path))
goto out;
gfx_puts("INI1 dumped to ini1.bin\n");
}
else
{
gfx_puts("Failed to dump INI1!\n");
goto out;
gfx_puts("INI1 dumped to ini1.bin\n");
}
gfx_puts("\nDone. Press any key...\n");

2
bootloader/hos/fss.c
View file

@ -43,6 +43,8 @@ extern bool is_ipl_updated(void *buf, char *path, bool force);
#define CNT_TYPE_KIP 6
#define CNT_TYPE_BMP 7
#define CNT_TYPE_EMC 8
#define CNT_TYPE_KLD 9
#define CNT_TYPE_KRN 10
#define CNT_FLAG0_EXPERIMENTAL (1 << 0)

6
bootloader/hos/hos.c
View file

@ -581,7 +581,11 @@ int hos_launch(ini_sec_t *cfg)
}
LIST_INIT(kip1_info);
pkg2_parse_kips(&kip1_info, pkg2_hdr, &ctxt.new_pkg2);
if (!pkg2_parse_kips(&kip1_info, pkg2_hdr, &ctxt.new_pkg2))
{
_hos_crit_error("INI1 parsing failed!");
return 0;
}
gfx_printf("Parsed ini1\n");

31
bootloader/hos/pkg2.c
View file

@ -692,14 +692,34 @@ static u32 _pkg2_calc_kip1_size(pkg2_kip1_t *kip1)
void pkg2_get_newkern_info(u8 *kern_data)
{
u32 info_op = *(u32 *)(kern_data + PKG2_NEWKERN_GET_INI1);
pkg2_newkern_ini1_val = ((info_op & 0xFFFF) >> 3) + PKG2_NEWKERN_GET_INI1; // Parse ADR and PC.
u32 pkg2_newkern_ini1_off = 0;
pkg2_newkern_ini1_start = 0;
// Find static OP offset that is close to INI1 offset.
u32 counter_ops = 0x100;
while (counter_ops)
{
if (*(u32 *)(kern_data + 0x100 - counter_ops) == PKG2_NEWKERN_GET_INI1_HEURISTIC)
{
pkg2_newkern_ini1_off = 0x100 - counter_ops + 12; // OP found. Add 12 for the INI1 offset.
break;
}
counter_ops -= 4;
}
// Offset not found?
if (!counter_ops)
return;
u32 info_op = *(u32 *)(kern_data + pkg2_newkern_ini1_off);
pkg2_newkern_ini1_val = ((info_op & 0xFFFF) >> 3) + pkg2_newkern_ini1_off; // Parse ADR and PC.
pkg2_newkern_ini1_start = *(u32 *)(kern_data + pkg2_newkern_ini1_val);
pkg2_newkern_ini1_end = *(u32 *)(kern_data + pkg2_newkern_ini1_val + 0x8);
}
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
bool pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
{
u8 *ptr;
// Check for new pkg2 type.
@ -707,6 +727,9 @@ void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
{
pkg2_get_newkern_info(pkg2->data);
if (!pkg2_newkern_ini1_start)
return false;
ptr = pkg2->data + pkg2_newkern_ini1_start;
*new_pkg2 = true;
}
@ -726,6 +749,8 @@ void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
ptr += ki->size;
DPRINTF(" kip1 %d:%s @ %08X (%08X)\n", i, kip1->name, (u32)kip1, ki->size);
}
return true;
}
int pkg2_has_kip(link_t *info, u64 tid)

6
bootloader/hos/pkg2.h
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -27,7 +27,7 @@
#define PKG2_SEC_INI1 1
#define INI1_MAGIC 0x31494E49
#define PKG2_NEWKERN_GET_INI1 0x44
#define PKG2_NEWKERN_GET_INI1_HEURISTIC 0xD2800015 // Offset of OP + 12 is the INI1 offset.
#define PKG2_NEWKERN_START 0x800
u32 pkg2_newkern_ini1_val;
@ -144,7 +144,7 @@ typedef struct _kip1_id_t
} kip1_id_t;
void pkg2_get_newkern_info(u8 *kern_data);
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
bool pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
int pkg2_has_kip(link_t *info, u64 tid);
void pkg2_replace_kip(link_t *info, u64 tid, pkg2_kip1_t *kip1);
void pkg2_add_kip(link_t *info, pkg2_kip1_t *kip1);

7
nyx/nyx_gui/frontend/gui_tools.c
View file

@ -549,6 +549,13 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
ini1_off = pkg2_newkern_ini1_start;
ini1_size = pkg2_newkern_ini1_end - pkg2_newkern_ini1_start;
}
if (!ini1_off)
{
s_printf(txt_buf + strlen(txt_buf), "#FFDD00 Failed to dump INI1 and kips!#\n");
goto out;
}
pkg2_ini1_t *ini1 = (pkg2_ini1_t *)(pkg2_hdr->data + ini1_off);
emmcsn_path_impl(path, "/pkg2", "ini1.bin", &storage);
if (sd_save_to_file(ini1, ini1_size, path))

33
nyx/nyx_gui/hos/pkg2.c
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -45,14 +45,34 @@ u32 pkg2_calc_kip1_size(pkg2_kip1_t *kip1)
void pkg2_get_newkern_info(u8 *kern_data)
{
u32 info_op = *(u32 *)(kern_data + PKG2_NEWKERN_GET_INI1);
pkg2_newkern_ini1_val = ((info_op & 0xFFFF) >> 3) + PKG2_NEWKERN_GET_INI1; // Parse ADR and PC.
u32 pkg2_newkern_ini1_off = 0;
pkg2_newkern_ini1_start = 0;
// Find static OP offset that is close to INI1 offset.
u32 counter_ops = 0x100;
while (counter_ops)
{
if (*(u32 *)(kern_data + 0x100 - counter_ops) == PKG2_NEWKERN_GET_INI1_HEURISTIC)
{
pkg2_newkern_ini1_off = 0x100 - counter_ops + 12; // OP found. Add 12 for the INI1 offset.
break;
}
counter_ops -= 4;
}
// Offset not found?
if (!counter_ops)
return;
u32 info_op = *(u32 *)(kern_data + pkg2_newkern_ini1_off);
pkg2_newkern_ini1_val = ((info_op & 0xFFFF) >> 3) + pkg2_newkern_ini1_off; // Parse ADR and PC.
pkg2_newkern_ini1_start = *(u32 *)(kern_data + pkg2_newkern_ini1_val);
pkg2_newkern_ini1_end = *(u32 *)(kern_data + pkg2_newkern_ini1_val + 0x8);
}
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
bool pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
{
u8 *ptr;
// Check for new pkg2 type.
@ -60,6 +80,9 @@ void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
{
pkg2_get_newkern_info(pkg2->data);
if (!pkg2_newkern_ini1_start)
return false;
ptr = pkg2->data + pkg2_newkern_ini1_start;
*new_pkg2 = true;
}
@ -79,6 +102,8 @@ void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
ptr += ki->size;
DPRINTF(" kip1 %d:%s @ %08X (%08X)\n", i, kip1->name, (u32)kip1, ki->size);
}
return true;
}
static const u8 mkey_keyseed_8xx[][0x10] =

6
nyx/nyx_gui/hos/pkg2.h
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -27,7 +27,7 @@
#define PKG2_SEC_INI1 1
#define INI1_MAGIC 0x31494E49
#define PKG2_NEWKERN_GET_INI1 0x44
#define PKG2_NEWKERN_GET_INI1_HEURISTIC 0xD2800015 // Offset of OP + 12 is the INI1 offset.
#define PKG2_NEWKERN_START 0x800
u32 pkg2_newkern_ini1_val;
@ -91,7 +91,7 @@ typedef struct _pkg2_kip1_info_t
void pkg2_get_newkern_info(u8 *kern_data);
u32 pkg2_calc_kip1_size(pkg2_kip1_t *kip1);
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
bool pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
pkg2_hdr_t *pkg2_decrypt(void *data, u8 kb);