@@ -264,6 +264,7 @@ Valid options:
a general set you have excluded.
--no-fp : disable floating point: no fp init, randomization etc.
Useful to test before support for FP is available.
+ --be : generate instructions in Big-Endian byte order (ppc64 only).
--help : print this message
EOT
}
@@ -274,6 +275,7 @@ sub main()
my $condprob = 0;
my $fpscr = 0;
my $fp_enabled = 1;
+ my $big_endian = 0;
my ($infile, $outfile);
GetOptions( "help" => sub { usage(); exit(0); },
@@ -287,6 +289,7 @@ sub main()
die "Value \"$condprob\" invalid for option condprob (must be between 0 and 1)\n";
}
},
+ "be" => sub { $big_endian = 1; },
"no-fp" => sub { $fp_enabled = 0; },
) or return 1;
# allow "--pattern re,re" and "--pattern re --pattern re"
@@ -317,7 +320,8 @@ sub main()
'not_pattern_re' => \@not_pattern_re,
'details' => \%insn_details,
'arch' => $full_arch[0],
- 'subarch' => $full_arch[1] || ''
+ 'subarch' => $full_arch[1] || '',
+ 'bigendian' => $big_endian
);
write_test_code(\%params);
@@ -375,6 +375,10 @@ sub write_test_code($)
my @not_pattern_re = @{ $params->{ 'not_pattern_re' } };
my %insn_details = %{ $params->{ 'details' } };
+ if ($params->{ 'bigendian' } eq 1) {
+ set_endian(1);
+ }
+
open_bin($outfile);
# convert from probability that insn will be conditional to
This commit adds an option to risugen in order to give the opportunity to generated big-endian instructions. By passing --be, users force risugen to generated big-endian instructions for ppc64. ./risugen --be --numinsns 1000 --pattern "ADD" ppc64.risu test.bin ./risugen --numinsns 1000 --pattern "ADD" ppc64.risu test.bin Signed-off-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com> --- risugen | 6 +++++- risugen_ppc64.pm | 4 ++++ 2 files changed, 9 insertions(+), 1 deletion(-)