csr_regfile.sv: Add missing RVH-masks (#51)

pulp-platform · Apr 23, 2024 · dda5521 · dda5521
1 parent 84422f0
commit dda5521
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/core/csr_regfile.sv b/core/csr_regfile.sv
@@ -978,7 +978,7 @@ module csr_regfile
       unique case (conv_csr_addr.address)
         // Floating-Point
         riscv::CSR_FFLAGS: begin
-          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (v_q && vsstatus_q.fs == riscv::Off))) begin
+          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (CVA6Cfg.RVH && v_q && vsstatus_q.fs == riscv::Off))) begin
             dirty_fp_state_csr = 1'b1;
             fcsr_d.fflags = csr_wdata[4:0];
             // this instruction has side-effects
@@ -988,7 +988,7 @@ module csr_regfile
           end
         end
         riscv::CSR_FRM: begin
-          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (v_q && vsstatus_q.fs == riscv::Off))) begin
+          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (CVA6Cfg.RVH && v_q && vsstatus_q.fs == riscv::Off))) begin
             dirty_fp_state_csr = 1'b1;
             fcsr_d.frm    = csr_wdata[2:0];
             // this instruction has side-effects
@@ -998,7 +998,7 @@ module csr_regfile
           end
         end
         riscv::CSR_FCSR: begin
-          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (v_q && vsstatus_q.fs == riscv::Off))) begin
+          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (CVA6Cfg.RVH && v_q && vsstatus_q.fs == riscv::Off))) begin
             dirty_fp_state_csr = 1'b1;
             fcsr_d[7:0] = csr_wdata[7:0];  // ignore writes to reserved space
             // this instruction has side-effects
@@ -1008,7 +1008,7 @@ module csr_regfile
           end
         end
         riscv::CSR_FTRAN: begin
-          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (v_q && vsstatus_q.fs == riscv::Off))) begin
+          if (CVA6Cfg.FpPresent && !(mstatus_q.fs == riscv::Off || (CVA6Cfg.RVH && v_q && vsstatus_q.fs == riscv::Off))) begin
             dirty_fp_state_csr = 1'b1;
             fcsr_d.fprec = csr_wdata[6:0];  // ignore writes to reserved space
             // this instruction has side-effects