[main] Add brick protection for RCM patched units
- If AutoRCM was found enabled, force disable it. (In case of chainloading.) - Additionally disable AutoRCM function.
This commit is contained in:
@@ -318,3 +318,32 @@ int fuse_read_evp_thunk(u32 *iram_evp_thunks, u32 *iram_evp_thunks_len)
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool fuse_check_patched_rcm()
|
||||
{
|
||||
// Check if XUSB in use.
|
||||
if (FUSE(FUSE_RESERVED_SW) & (1<<7))
|
||||
return true;
|
||||
|
||||
// Check if RCM is ipatched.
|
||||
u32 word_count = FUSE(FUSE_FIRST_BOOTROM_PATCH_SIZE) & 0x7F;
|
||||
u32 word_addr = 191;
|
||||
|
||||
while (word_count)
|
||||
{
|
||||
u32 word0 = fuse_read(word_addr);
|
||||
u32 ipatch_count = (word0 >> 16) & 0xF;
|
||||
|
||||
for (u32 i = 0; i < ipatch_count; i++)
|
||||
{
|
||||
u32 word = fuse_read(word_addr - (i + 1));
|
||||
u32 addr = (word >> 16) * 2;
|
||||
if (addr == 0x769A)
|
||||
return true;
|
||||
}
|
||||
|
||||
word_addr -= word_count;
|
||||
word_count = word0 >> 25;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user