SUSTemu

Introduction

SUSTemu is a RV64 system emulator, which supports IM extension. It draws lessons from Nemu(NJU emulator).

Device

• flash
• serial
• rtc
• keyborad
• vga

CSR

8 PMPs are provided for security. S mode is under task.

Interrupt and exeception

Interrupt is under plan.

Problem log

1. Enclave should save context after sbi_call, as application can't save context in enclave
2. pc should be set to 0xffffffff8000000
3. The address under 0x80000000 should be accessed by user level apps.