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[dt] Add DT_ROM() and DT_ID() macros

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Add DT_ROM() and DT_ID() macros following the pattern for PCI_ROM()
and PCI_ID(), to allow for the possibility of including devicetree
network devices within the "all-drivers" build of iPXE.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2026-02-12 13:26:12 +00:00
parent 5669c4d52e
commit 81da1a1b6c
7 changed files with 33 additions and 9 deletions
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src/util/parserom.pl
+19 -1
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@@ -36,7 +36,7 @@ if ( $debug ) {
my %RE = (
'parse_driver_class' => qr{ drivers/ (\w+?) / }x,
'parse_family' => qr{^ (?:\./)? (.*) \..+? $}x,
'find_rom_line' => qr/^ \s* ( (PCI|ISA|USB)_ROM \s*
'find_rom_line' => qr/^ \s* ( (PCI|ISA|USB|DT)_ROM \s*
\( \s* (.*?) \s* \) \s* ) [,;]/msx,
'find_secboot' => qr/^ \s* FILE_SECBOOT \s*
\( \s* PERMITTED \s* \) \s* ; \s* $/mx,
@@ -121,6 +121,7 @@ sub process_rom_decl {
return process_pci_rom($state, $rom_decl) if $rom_type eq "PCI";
return process_isa_rom($state, $rom_decl) if $rom_type eq "ISA";
return process_usb_rom($state, $rom_decl) if $rom_type eq "USB";
return process_dt_rom($state, $rom_decl) if $rom_type eq "DT";
return;
}
@@ -180,6 +181,23 @@ sub process_usb_rom {
return 1;
}
# Extract values from DT_ROM declaration lines and dispatch to
# Makefile rule generator
sub process_dt_rom {
my ($state, $decl) = @_;
return unless defined $decl;
return unless length $decl;
(my $image, $decl) = extract_quoted_string($decl, 'IMAGE');
(my $desc, $decl) = extract_quoted_string($decl, 'DESCRIPTION');
$image =~ s/,/-/;
if ( $image and $desc ) {
print_make_rules( $state, $image, $desc );
} else {
log_debug("WARNING", "Malformed DT_ROM macro on line $. of $state->{source_file}");
}
return 1;
}
# Output Makefile rules for the specified ROM declarations
sub print_make_rules {
my ( $state, $image, $desc, $vendor, $device, $dup ) = @_;