mirror of
https://github.com/CTCaer/hekate
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189 lines
7.3 KiB
C
189 lines
7.3 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018 st4rk
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* Copyright (c) 2018-2019 CTCaer
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* Copyright (c) 2018 balika011
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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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#include <string.h>
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#include "pkg1.h"
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#include "../gfx/gfx.h"
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#include "../sec/se.h"
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#include "../utils/aarch64_util.h"
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#define _NOPv7() 0xE320F000
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#define SM_100_ADR 0x4002B020
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PATCHSET_DEF(_secmon_1_patchset,
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// Patch the relocator to be able to run from SM_100_ADR.
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{ 0x1E0, _ADRP(0, 0x7C013000 - _PAGEOFF(SM_100_ADR)) },
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//Patch package2 decryption and signature/hash checks.
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{ 0x9F0 + 0xADC, _NOP() }, //Header signature.
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{ 0x9F0 + 0xB8C, _NOP() }, //Version.
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{ 0x9F0 + 0xBB0, _NOP() } //Sections SHA2.
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);
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PATCHSET_DEF(_secmon_2_patchset,
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// Patch package2 decryption and signature/hash checks.
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{ 0xAC8 + 0xAAC, _NOP() }, //Header signature.
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{ 0xAC8 + 0xB3C, _NOP() }, //Version.
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{ 0xAC8 + 0xB58, _NOP() } //Sections SHA2.
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);
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PATCHSET_DEF(_secmon_3_patchset,
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// Patch package2 decryption and signature/hash checks.
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{ 0xAC8 + 0xA30, _NOP() }, //Header signature.
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{ 0xAC8 + 0xAB4, _NOP() }, //package2 structure.
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{ 0xAC8 + 0xAC0, _NOP() }, //Version.
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{ 0xAC8 + 0xADC, _NOP() } //Sections SHA2.
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);
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PATCHSET_DEF(_secmon_4_patchset,
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// Patch package2 decryption and signature/hash checks.
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{ 0x2300 + 0x5D80, _NOP() }, //package2 structure.
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{ 0x2300 + 0x5D8C, _NOP() }, //Version.
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{ 0x2300 + 0x5EFC, _NOP() }, //Header signature.
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{ 0xAC8 + 0xA2C, _NOP() } //Sections SHA2.
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);
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PATCHSET_DEF(_secmon_5_patchset,
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// Patch package2 decryption and signature/hash checks.
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{ 0xDA8 + 0x9D8, _NOP() }, //package2 structure.
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{ 0xDA8 + 0x9E4, _NOP() }, //Version.
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{ 0xDA8 + 0xC9C, _NOP() }, //Header signature.
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{ 0xDA8 + 0x1038, _NOP() } //Sections SHA2.
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);
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PATCHSET_DEF(_secmon_6_patchset,
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// Patch package2 decryption and signature/hash checks.
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{ 0xDC8 + 0x820, _NOP() }, //package2 structure.
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{ 0xDC8 + 0x82C, _NOP() }, //Version.
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{ 0xDC8 + 0xE90, _NOP() }, //Header signature.
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{ 0xDC8 + 0x112C, _NOP() }, //Sections SHA2.
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// Fix sleep mode for debug.
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{ 0x1A68 + 0x3854, 0x94000E45 }, //gpio_config_for_uart.
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{ 0x1A68 + 0x3858, 0x97FFFC0F }, //clkrst_reboot_uarta.
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{ 0x1A68 + 0x385C, 0x52A00021 }, //MOV W1, #0x10000 ; baudrate.
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{ 0x1A68 + 0x3860, 0x2A1F03E0 }, //MOV W0, WZR ; uart_port -> A.
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{ 0x1A68 + 0x3864, 0x72984001 }, //MOVK W1, #0xC200 ; baudrate.
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{ 0x1A68 + 0x3868, 0x94000C8C }, //uart_configure.
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{ 0x1A68 + 0x3A6C, _NOP() } // warmboot UARTA cfg.
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);
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PATCHSET_DEF(_secmon_620_patchset,
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// Patch package2 decryption and signature/hash checks.
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{ 0xDC8 + 0x604, _NOP() }, //package2 structure.
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{ 0xDC8 + 0x610, _NOP() }, //Version.
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{ 0xDC8 + 0xC74, _NOP() }, //Header signature.
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{ 0xDC8 + 0xF10, _NOP() }, //Sections SHA2.
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// Fix sleep mode for debug.
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{ 0x2AC8 + 0x3854, 0x94000F42 }, //gpio_config_for_uart.
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{ 0x2AC8 + 0x3858, 0x97FFFC0F }, //clkrst_reboot_uarta.
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{ 0x2AC8 + 0x385C, 0x52A00021 }, //MOV W1, #0x10000 ; baudrate.
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{ 0x2AC8 + 0x3860, 0x2A1F03E0 }, //MOV W0, WZR ; uart_port -> A.
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{ 0x2AC8 + 0x3864, 0x72984001 }, //MOVK W1, #0xC200 ; baudrate.
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{ 0x2AC8 + 0x3868, 0x94000D89 }, //uart_configure.
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{ 0x2AC8 + 0x3A6C, _NOP() } // warmboot UARTA cfg.
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);
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PATCHSET_DEF(_warmboot_1_patchset,
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{ 0x4DC, _NOPv7() } // Fuse check.
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);
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PATCHSET_DEF(_warmboot_2_patchset,
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{ 0x4DC, _NOPv7() } // Fuse check.
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);
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PATCHSET_DEF(_warmboot_3_patchset,
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{ 0x4DC, _NOPv7() }, // Fuse check.
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{ 0x4F0, _NOPv7() } // Segment id check.
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);
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PATCHSET_DEF(_warmboot_4_patchset,
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{ 0x544, _NOPv7() }, // Fuse check.
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{ 0x558, _NOPv7() } // Segment id check.
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);
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/*
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* package1.1 header: <wb, ldr, sm>
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* package1.1 layout:
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* 1.0: {sm, ldr, wb} { 2, 1, 0 }
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* 2.0: {wb, ldr, sm} { 0, 1, 2 }
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* 3.0: {wb, ldr, sm} { 0, 1, 2 }
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* 3.1: {wb, ldr, sm} { 0, 1, 2 }
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* 4.0: {ldr, sm, wb} { 1, 2, 0 }
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* 5.0: {ldr, sm, wb} { 1, 2, 0 }
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* 6.0: {ldr, sm, wb} { 1, 2, 0 }
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* 6.2: {ldr, sm, wb} { 1, 2, 0 }
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* 7.0: {ldr, sm, wb} { 1, 2, 0 }
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*/
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static const pkg1_id_t _pkg1_ids[] = {
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{ "20161121183008", 0, 0x1900, 0x3FE0, { 2, 1, 0 }, SM_100_ADR, 0x8000D000, true, _secmon_1_patchset, _warmboot_1_patchset }, //1.0.0 (Patched relocator)
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{ "20170210155124", 0, 0x1900, 0x3FE0, { 0, 1, 2 }, 0x4002D000, 0x8000D000, true, _secmon_2_patchset, _warmboot_2_patchset }, //2.0.0 - 2.3.0
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{ "20170519101410", 1, 0x1A00, 0x3FE0, { 0, 1, 2 }, 0x4002D000, 0x8000D000, true, _secmon_3_patchset, _warmboot_3_patchset }, //3.0.0
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{ "20170710161758", 2, 0x1A00, 0x3FE0, { 0, 1, 2 }, 0x4002D000, 0x8000D000, true, _secmon_3_patchset, _warmboot_3_patchset }, //3.0.1 - 3.0.2
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{ "20170921172629", 3, 0x1800, 0x3FE0, { 1, 2, 0 }, 0x4002B000, 0x4003B000, false, _secmon_4_patchset, _warmboot_4_patchset }, //4.0.0 - 4.1.0
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{ "20180220163747", 4, 0x1900, 0x3FE0, { 1, 2, 0 }, 0x4002B000, 0x4003B000, false, _secmon_5_patchset, _warmboot_4_patchset }, //5.0.0 - 5.1.0
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{ "20180802162753", 5, 0x1900, 0x3FE0, { 1, 2, 0 }, 0x4002B000, 0x4003D800, false, _secmon_6_patchset, _warmboot_4_patchset }, //6.0.0 - 6.1.0
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{ "20181107105733", 6, 0x0E00, 0x6FE0, { 1, 2, 0 }, 0x4002B000, 0x4003D800, false, _secmon_620_patchset, _warmboot_4_patchset }, //6.2.0
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{ "20181218175730", 7, 0x0F00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000, false, NULL, _warmboot_4_patchset }, //7.0.0
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{ "20190208150037", 7, 0x0F00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000, false, NULL, _warmboot_4_patchset }, //7.0.1
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{ "20190314172056", 7, 0x0E00, 0x6FE0, { 1, 2, 0 }, 0x40030000, 0x4003E000, false, NULL, _warmboot_4_patchset }, //8.0.0
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{ NULL } //End.
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};
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const pkg1_id_t *pkg1_identify(u8 *pkg1)
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{
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char build_date[15];
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memcpy(build_date, (char *)(pkg1 + 0x10), 14);
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build_date[14] = 0;
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gfx_printf("Found pkg1 ('%s').\n\n", build_date);
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for (u32 i = 0; _pkg1_ids[i].id; i++)
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if (!memcmp(pkg1 + 0x10, _pkg1_ids[i].id, 12))
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return &_pkg1_ids[i];
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return NULL;
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}
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void pkg1_decrypt(const pkg1_id_t *id, u8 *pkg1)
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{
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// Decrypt package1.
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u8 *pkg11 = pkg1 + id->pkg11_off;
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u32 pkg11_size = *(u32 *)pkg11;
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se_aes_crypt_ctr(11, pkg11 + 0x20, pkg11_size, pkg11 + 0x20, pkg11_size, pkg11 + 0x10);
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}
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void pkg1_unpack(void *warmboot_dst, void *secmon_dst, void *ldr_dst, const pkg1_id_t *id, u8 *pkg1)
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{
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pk11_hdr_t *hdr = (pk11_hdr_t *)(pkg1 + id->pkg11_off + 0x20);
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u32 sec_size[3] = { hdr->wb_size, hdr->ldr_size, hdr->sm_size };
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//u32 sec_off[3] = { hdr->wb_off, hdr->ldr_off, hdr->sm_off };
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u8 *pdata = (u8 *)hdr + sizeof(pk11_hdr_t);
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for (u32 i = 0; i < 3; i++)
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{
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if (id->sec_map[i] == 0 && warmboot_dst)
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memcpy(warmboot_dst, pdata, sec_size[id->sec_map[i]]);
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else if (id->sec_map[i] == 1 && ldr_dst)
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memcpy(ldr_dst, pdata, sec_size[id->sec_map[i]]);
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else if (id->sec_map[i] == 2 && secmon_dst)
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memcpy(secmon_dst, pdata, sec_size[id->sec_map[i]]);
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pdata += sec_size[id->sec_map[i]];
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}
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}
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