Utils: Fix bad shadow gpr parameters

On some configurtions (i.e. mor1kx defaults) the shadow GPR's is set to zero, but it should be one. This fixes github issue openrisc#69.
stffrdhrn · Jan 10, 2019 · 2344bae · 2344bae
1 parent 75a7b90
commit 2344bae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/rtl/verilog/mor1kx_utils.vh b/rtl/verilog/mor1kx_utils.vh
@@ -99,7 +99,7 @@ function integer calc_rf_addr_width;
 input integer rf_addr_width;
 input integer rf_num_shadow_gpr;
 begin
-	calc_rf_addr_width = rf_addr_width + ((rf_num_shadow_gpr == 1) ? 1 :
+	calc_rf_addr_width = rf_addr_width + ((rf_num_shadow_gpr <= 1) ? 1 :
 			`clog2(rf_num_shadow_gpr));
 end
 endfunction