Remove redundant U/S mode advertisement

[riscv-isa-sim.git] / riscv / processor.cc

diff --git a/riscv/processor.cc b/riscv/processor.cc
index ebae384ede8ac4061e810e9a1c88c855b8f653a7..2dd27496775c45b305ac8135f2f0d8e03bc155f4 100644 (file)
--- a/riscv/processor.cc
+++ b/riscv/processor.cc
@@ -112,10 +112,6 @@ void processor_t::parse_isa_string(const char* str)
   if (supports_extension('Q') && max_xlen < 64)
     bad_isa_string(str);
 
-  // advertise support for supervisor and user modes
-  isa |= 1L << ('s' - 'a');
-  isa |= 1L << ('u' - 'a');
-
   max_isa = isa;
 }
 
@@ -242,7 +238,6 @@ void processor_t::take_trap(trap_t& t, reg_t epc)
 
   if (t.cause() == CAUSE_BREAKPOINT && (
               (state.prv == PRV_M && state.dcsr.ebreakm) ||
-              (state.prv == PRV_H && state.dcsr.ebreakh) ||
               (state.prv == PRV_S && state.dcsr.ebreaks) ||
               (state.prv == PRV_U && state.dcsr.ebreaku))) {
     enter_debug_mode(DCSR_CAUSE_SWBP);