Mario Kart Live: Home Circuit: Difference between revisions
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Communication with the kart is done directly over local-WLAN via [[LDN_services|lp2p:app]]. The service implementation is in the main-codebin itself, without symbols - however there are strings for this. This is the first title on retail which uses lp2p. | Communication with the kart is done directly over local-WLAN via [[LDN_services|lp2p:app]]. The service implementation is in the main-codebin itself, without symbols - however there are strings for this. This is the first title on retail which uses lp2p. | ||
This is also the first known title on retail which uses stack cookies. This is used by main-codebin, the ssp functionality in sdknso is still not used other than being called from an initialization func. | This is also the first known title on retail which uses stack cookies. This is used by main-codebin, the ssp functionality in sdknso is still not used other than being called from an initialization func. This is implemented in the main-codebin as follows: | ||
* The global u64 __stack_chk_guard is loaded then saved immediately before {first saved register} on stack, during func entry. During func exit, the global u64 is compared with the cookie on stack, it will call __stack_chk_fail on mismatch. __stack_chk_fail just executes an undefined instruction to trigger a crash. | |||
* TODO: initialization | |||
RomFs contains only two files: | RomFs contains only two files: | ||