1 files changed, 155 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_18_fg_18_04.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_18_fg_18_04.vhd
new file mode 100644
index 000000000..bfe6f0947
--- /dev/null
+++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_18_fg_18_04.vhd
@@ -0,0 +1,155 @@
+
+-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs is free software; you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the
+-- Free Software Foundation; either version 2 of the License, or (at
+-- your option) any later version. 
+
+-- VESTs is distributed in the hope that it will be useful, but WITHOUT
+-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+-- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+-- for more details. 
+
+-- You should have received a copy of the GNU General Public License
+-- along with VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+
+-- ---------------------------------------------------------------------
+--
+-- $Id: ch_18_fg_18_04.vhd,v 1.2 2001-10-26 16:29:36 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+entity cache is
+  generic ( cache_size, block_size, associativity : positive;
+            benchmark_name : string(1 to 10) );
+  port ( halt : in bit );
+end entity cache;
+
+
+
+architecture instrumented of cache is
+
+begin
+
+  -- code from book
+
+  cache_monitor : process is
+
+                            type measurement_record is
+                          record
+                            cache_size, block_size, associativity : positive;
+                            benchmark_name : string(1 to 10);
+                            miss_rate : real;
+                            ave_access_time : delay_length;
+                          end record;
+                          type measurement_file is file of measurement_record;
+                          file measurements : measurement_file
+                            open append_mode is "cache-measurements";
+                          -- . . .
+
+                          -- not in book
+                          constant miss_count : natural := 100;
+                          constant total_accesses : natural := 1000;
+                          constant total_delay : delay_length := 2400 ns;
+                          -- end not in book
+
+  begin
+    -- . . .
+    loop
+      -- . . .
+      -- not in book
+      wait on halt;
+      -- end not in book
+      exit when halt = '1';
+      -- . . .
+    end loop;
+
+    write ( measurements,
+            measurement_record'(
+              -- write values of generics for this run
+              cache_size, block_size, associativity, benchmark_name,
+              -- calculate performance metrics
+              miss_rate => real(miss_count) / real(total_accesses),
+              ave_access_time => total_delay / total_accesses ) );
+    wait;
+
+  end process cache_monitor;
+
+  -- end code from book
+
+end architecture instrumented;
+
+
+
+entity fg_18_04 is
+end entity fg_18_04;
+
+
+
+architecture test of fg_18_04 is
+
+  signal halt : bit := '0';
+
+begin
+
+  dut : entity work.cache(instrumented)
+    generic map ( cache_size => 128*1024, block_size => 16,
+                  associativity => 2, benchmark_name => "dhrystone " )
+    port map ( halt => halt );
+
+  halt <= '1' after 10 ns;
+
+end architecture test;
+
+
+
+entity fg_18_04_a is
+end entity fg_18_04_a;
+
+
+architecture reader of fg_18_04_a is
+begin
+
+  process is
+
+            type measurement_record is
+          record
+            cache_size, block_size, associativity : positive;
+            benchmark_name : string(1 to 10);
+            miss_rate : real;
+            ave_access_time : delay_length;
+          end record;
+          type measurement_file is file of measurement_record;
+          file measurements : measurement_file open read_mode is "cache-measurements";
+          variable measurement : measurement_record;
+
+          use std.textio.all;
+          variable L : line;
+
+  begin
+    while not endfile(measurements) loop
+      read(measurements, measurement);
+      write(L, measurement.cache_size);
+      write(L, ' ');
+      write(L, measurement.block_size);
+      write(L, ' ');
+      write(L, measurement.associativity);
+      write(L, ' ');
+      write(L, measurement.benchmark_name);
+      write(L, ' ');
+      write(L, measurement.miss_rate);
+      write(L, ' ');
+      write(L, measurement.ave_access_time);
+      writeline(output, L);
+
+    end loop;
+
+    wait;
+  end process;
+
+end architecture reader;