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Change FV creation to take a list of files instead of using fv_append()

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This commit is contained in:
Trammell hudson 2018-02-02 11:02:56 -05:00
parent 764b3bfc22
commit 503688a835
Failed to extract signature
2 changed files with 26 additions and 24 deletions
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30
bin/create-fv
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@ -55,37 +55,32 @@ GetOptions(
#my $guid = EFI::guid($guid_str)
# or die "$guid_str: Unable to parse GUID\n";
my $fv = EFI::fv($compress_size || $size);
# Read entire files at a time and append a new file
# for each input read.
local $/ = undef;
my @ffs;
my $length_sum = 0;
while(<>)
{
my $offset = EFI::fv_append(\$fv, $_)
or die "$ARGV: Unable to append\n";
push @ffs, $_;
$length_sum += length $_;
warn sprintf "%s: 0x%x bytes offset %x\n",
warn sprintf "%s: 0x%x bytes\n",
$ARGV,
length $_,
$offset
if $verbose > 1;
}
warn sprintf "%s: 0x%08x out of %08x bytes in FV%s\n",
$output,
length($fv),
$length_sum,
$compress_size || $size,
$compress_size ? " (uncompressed)" : "",
if $verbose > 0;
EFI::fv_pad(\$fv)
or die sprintf "%s: data size 0x%x > volume size 0x%x\n",
$output,
length $fv,
$compress_size || $size
;
my $fv = EFI::fv($compress_size || $size, @ffs)
or die "$output: Unable to create FV\n";
if ($compress_size)
{
@ -98,14 +93,7 @@ if ($compress_size)
$size,
if $verbose > 0;
my $outer_fv = EFI::fv($size);
EFI::fv_append(\$outer_fv, $ffs_lz)
or die sprintf "%s: Unable to append 0x%08x compressed bytes\n",
$output,
length($ffs_lz),
;
EFI::fv_pad(\$outer_fv)
my $outer_fv = EFI::fv($size, $ffs_lz)
or die sprintf "%s: Unable to append 0x%08x compressed bytes\n",
$output,
length($ffs_lz),

20
lib/EFI.pm
View File

@ -386,7 +386,7 @@ sub compress
}
# Create a FV header for a given file size
# Create a FV for a given file size with the included files
sub fv
{
my $size = shift;
@ -423,10 +423,24 @@ sub fv
substr($fv_hdr, 0x32, 2) = pack("v", $sum & 0xFFFF);
return $fv_hdr;
for my $ffs (@_)
{
next if fv_append(\$fv_hdr, $ffs);
warn "FV append failed\n";
return;
}
return $fv_hdr if fv_pad(\$fv_hdr);
warn "FV pad failed\n";
return;
}
# Add files to an existing FV
# Append a file to an FV, adding an initial pad if necessary
# This is used internally by EFI::fv() and should not need to be called
# by users of the EFI library.
sub fv_append
{
my $fv_ref = shift;