RISC-V Specifications Application Enablement Overview Application Binary Interface Chapter 3. Calling Conventions for System Calls 3.1. Calling Convention for System Calls The calling convention for system calls does not fall within the scope of this document. Please refer to the documentation of the RISC-V execution environment interface (e.g OS kernel ABI, SBI). Chapter 2. Procedure Calling Convention Chapter 4. C/C++ type details