Module kernel::sbi

The sbi module contains functions that invokes the RISC-V interface. SBI is an interface between the Supervisor Execution Environment and the supervisor. It allows the supervisor to execute some privileged operations with the ecall instruction. For more details, please refer to the RISC-V SBI Specification.

Constants

• CONSOLE_GETCHAR_EXTENSION 🔒
• CONSOLE_PUTCHAR_EXTENSION 🔒
• SYSTEM_RESET_EXTENSION 🔒
• TIMER_EXTENSION 🔒

Functions

• console_getchar
• console_putchar
  Write data present in char to debug console.
• sbi_call 🔒
• set_timer
• shutdown
  Put all the harts to shutdown state.