Hi,
It appears to be in software:
from the data sheet:
• Advanced IP unicast routing protocols (OSPF, EIGRP, and BGPv4) are supported for load balancing and constructing scalable LANs. IPv6 routing (OSPFv3 and EIGRPv6) is supported in hardware for maximum performance. The IP Services feature set is required.
• Equal-cost routing facilitates Layer 3 load balancing and redundancy.
• Policy-based routing (PBR) allows superior control by facilitating flow redirection regardless of the routing protocol configured. The IP Services
Here is more info:
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps7078/product_data_sheet0900aecd805bac22.html
HTH