diff options
Diffstat (limited to 'riscv/csrs.cc')
| -rw-r--r-- | riscv/csrs.cc | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/riscv/csrs.cc b/riscv/csrs.cc index 6f8f260..be23a2e 100644 --- a/riscv/csrs.cc +++ b/riscv/csrs.cc @@ -466,15 +466,7 @@ bool sstatus_proxy_csr_t::unlogged_write(const reg_t val) noexcept { // implement class mstatus_csr_t mstatus_csr_t::mstatus_csr_t(processor_t* const proc, const reg_t addr): base_status_csr_t(proc, addr), - val(0 - | (proc->extension_enabled_const('U') && (proc->get_const_xlen() != 32) ? set_field((reg_t)0, MSTATUS_UXL, xlen_to_uxl(proc->get_const_xlen())) : 0) - | (proc->extension_enabled_const('S') && (proc->get_const_xlen() != 32) ? set_field((reg_t)0, MSTATUS_SXL, xlen_to_uxl(proc->get_const_xlen())) : 0) - -#ifdef RISCV_ENABLE_DUAL_ENDIAN - | (proc->get_mmu()->is_target_big_endian() ? MSTATUS_UBE | MSTATUS_SBE | MSTATUS_MBE : 0) -#endif - | 0 // initial value for mstatus - ) { + val(compute_mstatus_initial_value()) { } bool mstatus_csr_t::unlogged_write(const reg_t val) noexcept { @@ -497,6 +489,16 @@ bool mstatus_csr_t::unlogged_write(const reg_t val) noexcept { return true; } +reg_t mstatus_csr_t::compute_mstatus_initial_value() const noexcept { + return 0 + | (proc->extension_enabled_const('U') && (proc->get_const_xlen() != 32) ? set_field((reg_t)0, MSTATUS_UXL, xlen_to_uxl(proc->get_const_xlen())) : 0) + | (proc->extension_enabled_const('S') && (proc->get_const_xlen() != 32) ? set_field((reg_t)0, MSTATUS_SXL, xlen_to_uxl(proc->get_const_xlen())) : 0) +#ifdef RISCV_ENABLE_DUAL_ENDIAN + | (proc->get_mmu()->is_target_big_endian() ? MSTATUS_UBE | MSTATUS_SBE | MSTATUS_MBE : 0) +#endif + | 0; // initial value for mstatus +} + // implement class rv32_low_csr_t rv32_low_csr_t::rv32_low_csr_t(processor_t* const proc, const reg_t addr, csr_t_p orig): csr_t(proc, addr), |