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hos: Fix sleep on modchiped Erista

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This commit is contained in:
CTCaer
2020-12-11 18:22:33 +02:00
parent b6ec217484
commit f1386c60af
3 changed files with 27 additions and 14 deletions
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24
bootloader/hos/secmon_exo.c
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@@ -312,13 +312,25 @@ void config_exosphere(launch_ctxt_t *ctxt, u32 warmboot_base, bool exo_new)
u8 *rsa_mod = (u8 *)malloc(512);
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
sdmmc_storage_read(&emmc_storage, 1, 1, rsa_mod);
// Patch AutoRCM out.
if ((fuse_read_odm(4) & 3) != 3)
rsa_mod[0x10] = 0xF7;
else
rsa_mod[0x10] = 0x37;
u32 sector;
for (u32 i = 0; i < 4; i++)
{
sector = 1 + (32 * i); // 0x4000 bct + 0x200 offset.
sdmmc_storage_read(&emmc_storage, sector, 1, rsa_mod);
// Check if 2nd byte of modulus is correct.
if (rsa_mod[0x11] != 0x86)
continue;
// Patch AutoRCM out.
if ((fuse_read_odm(4) & 3) != 3)
rsa_mod[0x10] = 0xF7;
else
rsa_mod[0x10] = 0x37;
break;
}
memcpy((void *)(warmboot_base + 0x10), rsa_mod + 0x10, 0x100);
}