Does Top Secret have a comparable command to RACF RACDCERT MAP command?
Top Secret has the CERTMAP command.
Use the CERTMAP keyword to associate a certificate name filter with an ACID and define the filter. The TSS ADDTO CERTMAP command identifies the ACID assigned to a user if a user's digital certificate matches the subject's distinguished name filter and/or the issuer's distinguished name filter specified in the command.
Here is the link to the doc: