diff options
Diffstat (limited to 'riscv')
| -rw-r--r-- | riscv/riscv_sys.sail | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/riscv/riscv_sys.sail b/riscv/riscv_sys.sail index c42ee806..928b6c5c 100644 --- a/riscv/riscv_sys.sail +++ b/riscv/riscv_sys.sail @@ -850,19 +850,33 @@ function handle_illegal() -> unit = { function init_sys() -> unit = { cur_privilege = Machine; - misa->MXL() = arch_to_bits(RV64); - misa->A() = true; /* atomics */ - misa->C() = true; /* RVC */ - misa->I() = true; /* base integer ISA */ - misa->M() = true; /* integer multiply/divide */ - misa->U() = true; /* user-mode */ - misa->S() = true; /* supervisor-mode */ + mhartid = EXTZ(0b0); + misa->MXL() = arch_to_bits(RV64); + misa->A() = true; /* atomics */ + misa->C() = true; /* RVC */ + misa->I() = true; /* base integer ISA */ + misa->M() = true; /* integer multiply/divide */ + misa->U() = true; /* user-mode */ + misa->S() = true; /* supervisor-mode */ + + /* 64-bit only mode with no extensions */ mstatus->SXL() = misa.MXL(); mstatus->UXL() = misa.MXL(); mstatus->SD() = false; - mhartid = EXTZ(0b0); + mip->bits() = EXTZ(0b0); + mie->bits() = EXTZ(0b0); + mideleg->bits() = EXTZ(0b0); + medeleg->bits() = EXTZ(0b0); + mtvec->bits() = EXTZ(0b0); + mcause->bits() = EXTZ(0b0); + mepc = EXTZ(0b0); + mtval = EXTZ(0b0); + mscratch = EXTZ(0b0); + + mcycle = EXTZ(0b0); + mtime = EXTZ(0b0); mcounteren->bits() = EXTZ(0b0); minstret = EXTZ(0b0); |