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Add option to do baremetal configuration.

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This commit is contained in:
Azim Khan 2017-12-21 09:28:39 +00:00
parent 7000e574b6
commit 0d44573e8b
1 changed files with 39 additions and 5 deletions
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44
scripts/config.pl
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@ -63,6 +63,7 @@ Commands
excluding some reserved symbols, until the
'Module configuration options' section
realfull - Uncomments all #define's with no exclusions
baremetal - Set configuration suitable for baremetal build.
Options
-f | --file <filename> - The file or file path for the configuration file
@ -94,11 +95,34 @@ MBEDTLS_PKCS11_C
_ALT\s*$
);
# Things that should be disabled in "baremetal"
my @excluded_baremetal = qw(
MBEDTLS_NET_C
MBEDTLS_TIMING_C
MBEDTLS_FS_IO
MBEDTLS_ENTROPY_NV_SEED
MBEDTLS_HAVE_TIME
MBEDTLS_HAVE_TIME_DATE
MBEDTLS_DEPRECATED_WARNING
MBEDTLS_HAVEGE_C
MBEDTLS_THREADING_C
MBEDTLS_THREADING_PTHREAD
MBEDTLS_MEMORY_BACKTRACE
MBEDTLS_MEMORY_BUFFER_ALLOC_C
MBEDTLS_PLATFORM_TIME_ALT
MBEDTLS_PLATFORM_FPRINTF_ALT
);
# Things that should be enabled in "full" even if they match @excluded
my @non_excluded = qw(
PLATFORM_[A-Z0-9]+_ALT
);
# Things that should be enabled in "baremetal"
my @non_excluded_baremetal = qw(
MBEDTLS_NO_PLATFORM_ENTROPY
);
# Process the command line arguments
my $force_option = 0;
@ -123,7 +147,7 @@ while ($arg = shift) {
# ...else assume it's a command
$action = $arg;
if ($action eq "full" || $action eq "realfull") {
if ($action eq "full" || $action eq "realfull" || $action eq "baremetal" ) {
# No additional parameters
die $usage if @ARGV;
@ -166,7 +190,12 @@ open my $config_read, '<', $config_file or die "read $config_file: $!\n";
my @config_lines = <$config_read>;
close $config_read;
my ($exclude_re, $no_exclude_re);
# Add required baremetal symbols to the list that is included.
if ( $action eq "baremetal" ) {
@non_excluded = ( @non_excluded, @non_excluded_baremetal );
}
my ($exclude_re, $no_exclude_re, $exclude_baremetal_re);
if ($action eq "realfull") {
$exclude_re = qr/^$/;
$no_exclude_re = qr/./;
@ -174,6 +203,9 @@ if ($action eq "realfull") {
$exclude_re = join '|', @excluded;
$no_exclude_re = join '|', @non_excluded;
}
if ( $action eq "baremetal" ) {
$exclude_baremetal_re = join '|', @excluded_baremetal;
}
my $config_write = undef;
if ($action ne "get") {
@ -182,17 +214,19 @@ if ($action ne "get") {
my $done;
for my $line (@config_lines) {
if ($action eq "full" || $action eq "realfull") {
if ($action eq "full" || $action eq "realfull" || $action eq "baremetal" ) {
if ($line =~ /name SECTION: Module configuration options/) {
$done = 1;
}
if (!$done && $line =~ m!^//\s?#define! &&
( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) ) {
( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) &&
( $action ne "baremetal" || ( $line !~ /$exclude_baremetal_re/ ) ) ) {
$line =~ s!^//\s?!!;
}
if (!$done && $line =~ m!^\s?#define! &&
! ( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) ) {
! ( ( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) &&
( $action ne "baremetal" || ( $line !~ /$exclude_baremetal_re/ ) ) ) ) {
$line =~ s!^!//!;
}
} elsif ($action eq "unset") {