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-rw-r--r--contrib/bochs/README.qemu4
-rw-r--r--src/Makefile1
-rw-r--r--src/Makefile.housekeeping1
-rw-r--r--src/arch/i386/Makefile7
-rw-r--r--src/arch/i386/Makefile.pcbios6
-rwxr-xr-xsrc/util/dskpad.pl12
-rwxr-xr-xsrc/util/padimg.pl44
7 files changed, 54 insertions, 21 deletions
diff --git a/contrib/bochs/README.qemu b/contrib/bochs/README.qemu
index 18575103..0c388973 100644
--- a/contrib/bochs/README.qemu
+++ b/contrib/bochs/README.qemu
@@ -47,13 +47,13 @@ To get qemu running is fairly simple:
8. Build gPXE floppy disk images and pad to 1.44MB
pushd ../../src
- make bin/rtl8139.pdsk
+ make bin/rtl8139.dsk
popd
9. Start qemu
./qemu/i386-softmmu/qemu -L qemu/pc-bios \
-net nic,model=rtl8139 -net tap,ifname=tap0 \
- -boot a -fda ../../src/bin/rtl8139.pdsk
+ -boot a -fda ../../src/bin/rtl8139.dsk
You should see qemu start up, load up gPXE and attempt to boot from
the network.
diff --git a/src/Makefile b/src/Makefile
index 099762ce..4e4fd8b5 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -35,6 +35,7 @@ PARSEROM := $(PERL) ./util/parserom.pl
MAKEROM := $(PERL) ./util/makerom.pl
SYMCHECK := $(PERL) ./util/symcheck.pl
SORTOBJDUMP := $(PERL) ./util/sortobjdump.pl
+PADIMG := $(PERL) ./util/padimg.pl
NRV2B := ./util/nrv2b
ZBIN := ./util/zbin
ELF2EFI32 := ./util/elf2efi32
diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping
index 8edb0127..38bd058c 100644
--- a/src/Makefile.housekeeping
+++ b/src/Makefile.housekeeping
@@ -724,6 +724,7 @@ define media_template
@$(ECHO_E) '$$(BIN)/%.$(1) : $$(BIN)/%.$(1).zbin' \
'\n\t$$(QM)$(ECHO) " [FINISH] $$@"' \
'\n\t$$(Q)$$(CP) $$< $$@' \
+ '\n\t$$(Q)$$(PAD_$(1))' \
'\n\t$$(Q)$$(FINALISE_$(1))' \
> $(2)
diff --git a/src/arch/i386/Makefile b/src/arch/i386/Makefile
index ca8ba1b2..9cf2bd69 100644
--- a/src/arch/i386/Makefile
+++ b/src/arch/i386/Makefile
@@ -114,13 +114,6 @@ NON_AUTO_MEDIA += fd0
$(Q)dd if=$< bs=512 conv=sync of=/dev/fd0
$(Q)sync
-# rule to create padded disk images
-NON_AUTO_MEDIA += pdsk
-%pdsk : %dsk
- $(QM)$(ECHO) " [DSKPAD] $@"
- $(Q)cp $< $@
- $(Q)$(PERL) ./util/dskpad.pl $@
-
# Add NON_AUTO_MEDIA to the media list, so that they show up in the
# output of "make"
#
diff --git a/src/arch/i386/Makefile.pcbios b/src/arch/i386/Makefile.pcbios
index 64b3dac2..7aa0afd8 100644
--- a/src/arch/i386/Makefile.pcbios
+++ b/src/arch/i386/Makefile.pcbios
@@ -27,6 +27,12 @@ MEDIA += raw
MEDIA += com
MEDIA += exe
+# Padding rules
+#
+PAD_rom = $(PADIMG) --blksize=512 --byte=0xff $@
+PAD_dsk = $(PADIMG) --blksize=512 $@
+PAD_hd = $(PADIMG) --blksize=512 $@
+
# rule to make a non-emulation ISO boot image
NON_AUTO_MEDIA += iso
%iso: %lkrn util/geniso
diff --git a/src/util/dskpad.pl b/src/util/dskpad.pl
deleted file mode 100755
index 3ae325eb..00000000
--- a/src/util/dskpad.pl
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/bin/perl -w
-
-use strict;
-use warnings;
-
-use constant FLOPPYSIZE => 1440 * 1024;
-
-while ( my $filename = shift ) {
- die "$filename is not a file\n" unless -f $filename;
- die "$filename is too large\n" unless ( -s $filename <= FLOPPYSIZE );
- truncate $filename, FLOPPYSIZE or die "Could not truncate: $!\n";
-}
diff --git a/src/util/padimg.pl b/src/util/padimg.pl
new file mode 100755
index 00000000..f3dcbbc3
--- /dev/null
+++ b/src/util/padimg.pl
@@ -0,0 +1,44 @@
+#!/usr/bin/perl -w
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Fcntl;
+
+my $verbosity = 0;
+my $blksize = 512;
+my $byte = 0;
+
+my $opts = {
+ 'verbose|v+' => sub { $verbosity++; },
+ 'quiet|q+' => sub { $verbosity--; },
+ 'blksize|s=o' => sub { $blksize = $_[1]; },
+ 'byte|b=o' => sub { $byte = $_[1]; },
+};
+
+Getopt::Long::Configure ( 'bundling', 'auto_abbrev' );
+GetOptions ( { map { /^(\w+)/; $1 => $opts->{$_} } keys %$opts }, keys %$opts )
+ or die "Could not parse command-line options\n";
+
+while ( my $filename = shift ) {
+ die "$filename is not a file\n" unless -f $filename;
+ my $oldsize = -s $filename;
+ my $newsize = ( ( $oldsize + $blksize - 1 ) & ~( $blksize - 1 ) );
+ my $padsize = ( $newsize - $oldsize );
+ next unless $padsize;
+ if ( $verbosity >= 1 ) {
+ printf "Padding %s from %d to %d bytes with %d x 0x%02x\n",
+ $filename, $oldsize, $newsize, $padsize, $byte;
+ }
+ if ( $byte ) {
+ sysopen ( my $fh, $filename, ( O_WRONLY | O_APPEND ) )
+ or die "Could not open $filename for appending: $!\n";
+ syswrite $fh, ( chr ( $byte ) x $padsize )
+ or die "Could not append to $filename: $!\n";
+ close ( $fh );
+ } else {
+ truncate $filename, $newsize
+ or die "Could not resize $filename: $!\n";
+ }
+ die "Failed to pad $filename\n" unless -s $filename == $newsize;
+}