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sept: Disallow sept if improper BCT to avoid black screen

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CTCaer
2021-02-06 03:24:58 +02:00
parent 0857d7ff0e
commit ea83566fc9
5 changed files with 50 additions and 71 deletions
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13
nyx/nyx_gui/frontend/gui_tools.c
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@@ -1160,6 +1160,19 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
h_cfg.sept_run = true;
else
{
// Check that BCT is proper so sept can run.
u8 *bct_bldr = (u8 *)calloc(1, 512);
sdmmc_storage_read(&emmc_storage, 0x2200 / NX_EMMC_BLOCKSIZE, 1, &bct_bldr);
u32 bootloader_entrypoint = *(u32 *)&bct_bldr[0x144];
free(bct_bldr);
if (bootloader_entrypoint > SEPT_PRI_ENTRY)
{
lv_label_set_text(lb_desc, "#FFDD00 Failed to run sept because main BCT is improper!#\n"
"#FFDD00 Run sept with proper BCT at least once to cache keys.#\n");
goto out_free;
}
// Set boot cfg.
b_cfg->autoboot = 0;
b_cfg->autoboot_list = 0;
b_cfg->extra_cfg = EXTRA_CFG_NYX_DUMP;