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// You should have received a copy of the GNU General Public
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// You should have received a copy of the GNU General Public
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// License along with this work; if not, write to the Free Software
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// License along with this work; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//
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// ========== Copyright Header End ============================================
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// ========== Copyright Header End ============================================
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`ifdef SIMPLY_RISC_TWEAKS
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`define SIMPLY_RISC_SCANIN .si(0)
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`else
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`define SIMPLY_RISC_SCANIN .si()
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`endif
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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/*
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/*
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// Module Name: sparc_ifu_wsel
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// Module Name: sparc_ifu_wsel
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// Description:
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// Description:
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// Way selects removed from icache and done here
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// Way selects removed from icache and done here
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//------------------
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//------------------
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assign clk = rclk;
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assign clk = rclk;
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// flop and decode waysel
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// flop and decode waysel
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dff #(2) asiway_reg(.din (ifq_erb_asiway_f),
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dff_s #(2) asiway_reg(.din (ifq_erb_asiway_f),
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.q (asiway_s),
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.q (asiway_s),
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.clk (clk), .se(se), .si(), .so());
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.clk (clk), .se(se), `SIMPLY_RISC_SCANIN, .so());
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assign dec_asiway_s_l[0] = ~(~asiway_s[1] & ~asiway_s[0]);
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assign dec_asiway_s_l[0] = ~(~asiway_s[1] & ~asiway_s[0]);
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assign dec_asiway_s_l[1] = ~(~asiway_s[1] & asiway_s[0]);
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assign dec_asiway_s_l[1] = ~(~asiway_s[1] & asiway_s[0]);
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assign dec_asiway_s_l[2] = ~( asiway_s[1] & ~asiway_s[0]);
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assign dec_asiway_s_l[2] = ~( asiway_s[1] & ~asiway_s[0]);
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assign dec_asiway_s_l[3] = ~( asiway_s[1] & asiway_s[0]);
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assign dec_asiway_s_l[3] = ~( asiway_s[1] & asiway_s[0]);
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// Everything below can be ignored for physical implementation
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// Everything below can be ignored for physical implementation
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// monitor for waysel -- moved here from itlb
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// monitor for waysel -- moved here from itlb
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// Keeping this around for 0-in. cmp level check is in icache_mutex_mon.v
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// Keeping this around for 0-in. cmp level check is in icache_mutex_mon.v
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`ifdef DEFINE_0IN
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always @ (negedge clk)
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begin
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if (!((waysel_buf_s1 == 4'b0001) ||
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(waysel_buf_s1 == 4'b0010) ||
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(waysel_buf_s1 == 4'b0100) ||
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(waysel_buf_s1 == 4'b1000) ||
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(waysel_buf_s1 == 4'b0000)))
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begin
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// 0in <fire -message "FATAL ERROR: icache waysel not mutex"
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//$error("IC_WAYSEL", "FATAL ERROR: icache waysel not mutex %b",
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// waysel_buf_s1);
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end
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end // always @ (negedge clk)
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`endif
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endmodule // sparc_ifu_wseldp
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endmodule // sparc_ifu_wseldp
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No newline at end of file
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No newline at end of file
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