On Wed, Aug 24, 2022 at 06:36:27PM -0500, Glenn Washburn wrote:
> Yeah, it can get tricky. Its kind of custom build system layered on top
> of autotools. The file you're looking for is
> grub-core/Makefile.core.def.
>
> Looking at this again, it looks like pci is only supported on x86 and
> mips_loongson. So this is not as simple as it could be. I believe
> you'll want to add the following lines to the serial module definition
> (search for "name = serial;"):
>
> mips_loongson = term/pci/serial.c;
> x86 = term/pci/serial.c;
>
> Also, the call to grub_pciserial_init() in grub-core/term/serial.c
> should be ifdef'd to only be included for those platforms, otherwise
> the other builds will break.
Oh boy... you don't happen to have a convenient GRUB_HAZ_PCI define
squirreld away somewhere eh?
Does this look like something that could work?
---
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index 5212dfab1369..ba52a675da84 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -224,12 +224,14 @@ kernel = {
i386_efi = kern/i386/efi/init.c;
i386_efi = bus/pci.c;
+ i386_efi_cppflags = '-DGRUB_HAS_PCI'
x86_64 = kern/x86_64/dl.c;
x86_64_xen = kern/x86_64/dl.c;
x86_64_efi = kern/x86_64/efi/callwrap.S;
x86_64_efi = kern/i386/efi/init.c;
x86_64_efi = bus/pci.c;
+ x86_64_efi_cppflags = '-DGRUB_HAS_PCI'
xen = kern/i386/tsc.c;
xen = kern/i386/xen/tsc.c;
@@ -271,6 +273,7 @@ kernel = {
i386_pc = term/i386/pc/console.c;
i386_qemu = bus/pci.c;
+ i386_qemu_cppflags = '-DGRUB_HAS_PCI'
i386_qemu = kern/vga_init.c;
i386_qemu = kern/i386/qemu/mmap.c;
@@ -303,6 +306,7 @@ kernel = {
mips_loongson = bus/bonito.c;
mips_loongson = bus/cs5536.c;
mips_loongson = bus/pci.c;
+ mips_loongson_cppflags = '-DGRUB_HAS_PCI'
mips_loongson = kern/mips/loongson/init.c;
mips_loongson = term/at_keyboard.c;
mips_loongson = term/ps2.c;
@@ -2047,6 +2051,8 @@ module = {
ieee1275 = term/ieee1275/serial.c;
mips_arc = term/arc/serial.c;
efi = term/efi/serial.c;
+ x86 = term/pci/serial.c;
+ mips_loongson = term/pci/serial.c;
enable = terminfomodule;
enable = ieee1275;
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