mirror of
https://github.com/CTCaer/hekate
synced 2024-07-06 16:33:29 +00:00
14c50ed7f8
[Stock]
fss0={sd path}
stock=1
Can now work for both older and new HOS versions.
- <= 6.2.0 loads nothing and removes kernel patching.
- >= 7.0.0 loads exo, wb and removes kernel patching.
This requires that fss0 {sd path} is valid. Otherwise it will fail on ini cfg parsing.
If <= 6.2.0 and no FSS0
[Stock]
stock=1
will provide a cleaner stock with no kernel patching.
144 lines
3.4 KiB
C
144 lines
3.4 KiB
C
/*
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* Atmosphère Fusée Secondary Storage parser.
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*
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* Copyright (c) 2019 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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#include <string.h>
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#include "fss.h"
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#include "hos.h"
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#include "../libs/fatfs/ff.h"
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#include "../mem/heap.h"
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#include "../gfx/gfx.h"
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#define DPRINTF(...)
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#define FSS0_MAGIC 0x30535346
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#define CNT_TYPE_FSP 0
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#define CNT_TYPE_EXO 1
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#define CNT_TYPE_WBT 2
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#define CNT_TYPE_RBT 3
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#define CNT_TYPE_SP1 4
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#define CNT_TYPE_SP2 5
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#define CNT_TYPE_KIP 6
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#define CNT_TYPE_BMP 7
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typedef struct _fss_t
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{
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u32 magic;
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u32 size;
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u32 crt0_off;
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u32 cnt_off;
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u32 cnt_count;
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u32 hos_ver;
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u32 version;
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u32 git_rev;
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} fss_t;
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typedef struct _fss_content_t
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{
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u32 offset;
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u32 size;
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u32 type;
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u32 rsvd1;
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char name[0x10];
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} fss_content_t;
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int parse_fss(launch_ctxt_t *ctxt, const char *value)
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{
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FIL fp;
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bool stock = false;
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LIST_FOREACH_ENTRY(ini_kv_t, kv, &ctxt->cfg->kvs, link)
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{
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if (!strcmp("stock", kv->key))
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if (kv->val[0] == '1')
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stock = true;
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}
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if (stock && ctxt->pkg1_id->kb <= KB_FIRMWARE_VERSION_620)
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return 1;
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if (f_open(&fp, value, FA_READ) != FR_OK)
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return 0;
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ctxt->atmosphere = true;
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void *fss = malloc(f_size(&fp));
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// Read header.
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f_read(&fp, fss, 0x400, NULL);
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u32 fss_entry = *(u32 *)(fss + 4);
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fss_t *fss_meta = (fss_t *)(fss + fss_entry);
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if (fss_meta->magic == FSS0_MAGIC)
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{
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gfx_printf(&gfx_con, "Found FSS0, Atmosphere %d.%d.%d-%08x\n"
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"Max HOS supported: %d.%d.%d\n"
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"Unpacking and loading components.. ",
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fss_meta->version >> 24, (fss_meta->version >> 16) & 0xFF, (fss_meta->version >> 8) & 0xFF, fss_meta->git_rev,
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fss_meta->hos_ver >> 24, (fss_meta->hos_ver >> 16) & 0xFF, (fss_meta->hos_ver >> 8) & 0xFF);
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fss_content_t *curr_fss_cnt = (fss_content_t *)(fss + fss_meta->cnt_off);
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void *content;
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for (int i = 0; i < fss_meta->cnt_count; i++)
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{
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content = (void *)(fss + curr_fss_cnt[i].offset);
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if ((curr_fss_cnt[i].offset + curr_fss_cnt[i].size) > fss_meta->size)
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continue;
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// Load content to launch context.
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switch (curr_fss_cnt[i].type)
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{
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case CNT_TYPE_KIP:
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if (stock)
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continue;
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merge_kip_t *mkip1 = (merge_kip_t *)malloc(sizeof(merge_kip_t));
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mkip1->kip1 = content;
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list_append(&ctxt->kip1_list, &mkip1->link);
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DPRINTF("Loaded %s.kip1 from FSS0 (size %08X)\n", curr_fss_cnt[i].name, curr_fss_cnt[i].size);
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break;
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case CNT_TYPE_EXO:
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ctxt->secmon_size = curr_fss_cnt[i].size;
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ctxt->secmon = content;
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break;
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case CNT_TYPE_WBT:
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ctxt->warmboot_size = curr_fss_cnt[i].size;
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ctxt->warmboot = content;
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break;
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default:
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continue;
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// TODO: add more types?
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// case CNT_TYPE_SP1:
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// case CNT_TYPE_SP2:
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}
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f_lseek(&fp, curr_fss_cnt[i].offset);
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f_read(&fp, content, curr_fss_cnt[i].size, NULL);
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}
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gfx_printf(&gfx_con, "Done!\n");
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f_close(&fp);
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return 1;
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}
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f_close(&fp);
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free(fss);
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return 0;
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} |