meta: Add some magic to figure out what modules to build

Makefile

@@ -40,7 +40,8 @@ KERNEL_SOURCES += $(wildcard kernel/arch/${ARCH}/*.S)
 # Kernel modules are one file = one module; if you want to build more complicated
 # modules, you could potentially use `ld -r` to turn multiple source objects into
 # a single relocatable object file.
-MODULES = $(patsubst modules/%.c,$(BASE)/mod/%.ko,$(wildcard modules/*.c))
+ARCH_ENABLED_MODS = $(shell util/valid-modules.sh $(ARCH))
+MODULES = $(patsubst modules/%.c,$(BASE)/mod/%.ko,$(foreach mod,$(ARCH_ENABLED_MODS),modules/$(mod).c))
 
 EMU = qemu-system-${ARCH}
 

modules/ac97.c

@@ -1,6 +1,7 @@
 /**
  * @file kernel/audio/ac97.c
  * @brief Driver for the Intel AC'97.
+ * @package x86_64
  *
  * Simple PCM interface for the AC'97 codec when used with the
  * ICH hardware interface. There are other hardware interfaces

modules/ahci.c

@@ -1,6 +1,7 @@
 /**
  * @brief AHCI Block Device Driver
  * @file modules/ahci.c
+ * @package x86_64
  *
  * @warning This is a stub driver.
  *

modules/ata.c

@@ -1,6 +1,7 @@
 /**
  * @brief (P)ATA / IDE disk driver
  * @file modules/ata.c
+ * @package x86_64
  *
  * @warning This is very buggy.
  *

modules/dospart.c

@@ -1,6 +1,7 @@
 /**
  * @file modules/dospart.c
  * @brief DOS MBR partition table mapper
+ * @package x86_64
  *
  * Provides partition entries for disks.
  *

modules/e1000.c

@@ -1,6 +1,7 @@
 /**
  * @file kernel/net/e1000.c
  * @brief Intel Gigabit Ethernet device driver
+ * @package x86_64
  *
  * @copyright
  * This file is part of ToaruOS and is released under the terms

modules/es1371.c

@@ -1,6 +1,7 @@
 /**
  * @file kernel/audio/es1371.c
  * @brief Driver for the Ensoniq ES1371.
+ * @package x86_64
  *
  * @ref http://www.vogons.org/download/file.php?id=13036&sid=30df81e15e2521deb842a79f451b1161
  *

modules/ext2.c

@@ -1,6 +1,7 @@
 /**
  * @file modules/ext2.c
  * @brief Implementation of the Ext2 filesystem.
+ * @package x86_64
  *
  * @warning There are many known bugs in this implementation.
  *

modules/hda.c

@@ -1,6 +1,7 @@
 /**
  * @file kernel/audio/hda.c
  * @brief Driver for the Intel High Definition Audio.
+ * @package x86_64
  *
  * @warning This is a stub driver.
  *

modules/i965.c

@@ -1,6 +1,7 @@
 /**
  * @file  modules/i965.c
  * @brief Bitbanged modeset driver for a ThinkPad T410's Intel graphics.
+ * @package x86_64
  *
  * This is NOT a viable driver for Intel graphics devices. It assumes Vesa
  * has already properly set up the display pipeline with the needed timings

modules/iso9660.c

@@ -1,6 +1,7 @@
 /**
  * @file modules/iso9660.c
  * @brief ISO9660 "High Sierra" CD file system driver.
+ * @package x86_64
  *
  * @copyright
  * This file is part of ToaruOS and is released under the terms

modules/pcspkr.c

@@ -1,6 +1,7 @@
 /**
  * @file modules/pcspkr.c
  * @brief PC beeper device interface
+ * @package x86_64
  *
  * Use with @ref apps/beep.c to play music.
  *

modules/piix4.c

@@ -1,6 +1,7 @@
 /**
  * @file modules/piix4.c
  * @brief Intel PIIX4 ISA Bridge Driver
+ * @package x86_64
  *
  * @copyright
  * This file is part of ToaruOS and is released under the terms

modules/test.c

@@ -1,6 +1,8 @@
 /**
  * @file modules/test.c
  * @brief Test module.
+ * @package x86_64
+ * @package aarch64
  *
  * Load with various arguments to do things like crash the
  * kernel or print tracebacks.

modules/vbox.c

@@ -1,6 +1,7 @@
 /**
  * @file  kernel/arch/x86_64/vbox.c
  * @brief VirtualBox Guest Additions driver
+ * @package x86_64
  *
  * Implements the following features:
  * - Absolute mouse cursor positioning

modules/vmware.c

@@ -1,6 +1,7 @@
 /**
  * @file  kernel/arch/x86_64/vmware.c
  * @brief VMware/QEMU mouse and VMWare backdoor driver.
+ * @package x86_64
  *
  * Supports absolute mouse cursor and resolution setting.
  *
@@ -34,7 +35,6 @@
 #include <kernel/args.h>
 #include <kernel/module.h>
 
-#ifdef __x86_64__
 #include <kernel/arch/x86_64/ports.h>
 
 #define VMWARE_MAGIC  0x564D5868 /* hXMV */
@@ -522,4 +522,3 @@ struct Module metadata = {
 	.fini = fini,
 };
 
-#endif

modules/xhci.c

@@ -1,6 +1,7 @@
 /**
  * @brief xHCI Host Controller Driver
  * @file modules/xhci.c
+ * @package x86_64
  *
  * @warning This is a stub driver.
  *

util/valid-modules.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+for mod in $DIR/../modules/*.c; do
+	fgrep -q "@package $1" "$mod" || continue
+	echo -n $mod | sed s'#.*/\([^/]*\)\.c#\1 #'
+done
+
+echo