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mips-fcr.exp revision 1.1.1.2 
      1 # Copyright (C) 2016-2017 Free Software Foundation, Inc.
      2 
      3 # This program is free software; you can redistribute it and/or modify
      4 # it under the terms of the GNU General Public License as published by
      5 # the Free Software Foundation; either version 3 of the License, or
      6 # (at your option) any later version.
      7 #
      8 # This program is distributed in the hope that it will be useful,
      9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11 # GNU General Public License for more details.
     12 #
     13 # You should have received a copy of the GNU General Public License
     14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     15 
     16 # Contributed by Imagination Technologies, written by Maciej W. Rozycki.
     17 
     18 # Test MIPS Floating Point Control Register handling.
     19 
     20 if { ![istarget "mips*-*-*"] } then {
     21     verbose "Skipping MIPS Floating Point Control Register tests."
     22     return
     23 }
     24 
     25 standard_testfile
     26 
     27 if { [prepare_for_testing "failed to prepare" ${testfile}] } {
     28     return
     29 }
     30 
     31 if ![runto_main] {
     32     return
     33 }
     34 
     35 # First check if we have an FPU available in the first place.
     36 gdb_test_multiple "show mipsfpu" "check for MIPS floating-point coprocessor" {
     37     -re "The MIPS floating-point coprocessor .*\(absent\|unknown\).*$gdb_prompt $" {
     38 	unsupported "no MIPS floating-point coprocessor in the processor"
     39 	return
     40     }
     41     -re "The MIPS floating-point coprocessor .*$gdb_prompt $" {
     42 	verbose "MIPS floating-point coprocessor check successful."
     43     }
     44     default {
     45 	fail
     46 	return
     47     }
     48 }
     49 
     50 # Now check that FCRs are accessible and 32-bit wide.
     51 gdb_test "info registers \$fcsr" "fcsr: $hex"
     52 gdb_test "print sizeof \$fcsr" "\\\$$decimal = 4"
     53 gdb_test "info registers \$fir" "fir: $hex"
     54 gdb_test "print sizeof \$fir" "\\\$$decimal = 4"
     55