Implement module loading. Move drivers into modules. Fix bugs.

.gitignore

@@ -16,6 +16,8 @@
 !tests/*
 !manager
 !manager/*
+!drivers
+!drivers/**
 !sdk
 !sdk/*
 !syscalls.awk

Makefile

@@ -1,4 +1,4 @@
-.PHONY: all clean crt kernel library manager tests generate
+.PHONY: all clean crt kernel drivers library manager tests generate
 
 GENERATED_SOURCES = sdk/syscall_enum.h kernel/src/syscall_table.inl library/src/wrappers.c
 
@@ -10,6 +10,9 @@ crt:
 kernel: generate crt
 	$(MAKE) -C kernel all
 
+drivers: kernel
+	$(MAKE) -C drivers all
+
 library: generate crt
 	$(MAKE) -C library all
 
@@ -29,9 +32,11 @@ kernel/src/syscall_table.inl: sdk/syscall_enum.h
 
 library/src/wrappers.c: sdk/syscall_enum.h
 
-livecd.iso: kernel library manager
+livecd.iso: kernel drivers library manager
 	mkdir -p livecd/boot/grub
 	cp kernel/monolithium livecd/boot/monolithium
+	mkdir -p livecd/boot/drivers
+	find drivers -type f -name '*.drv' -exec cp {} livecd/boot/drivers/ \;
 	cp manager/manager livecd/manager
 	cp grub.cfg livecd/boot/grub/grub.cfg
 	grub-mkrescue -o $@ livecd
@@ -39,6 +44,7 @@ livecd.iso: kernel library manager
 clean:
 	$(MAKE) -C crt clean
 	$(MAKE) -C kernel clean
+	$(MAKE) -C drivers clean
 	$(MAKE) -C library clean
 	$(MAKE) -C manager clean
 	$(MAKE) -C tests clean

drivers/.gitignore

@@ -0,0 +1,5 @@
+# Ignore output files
+
+*/obj
+*/dep
+*/*.drv

drivers/Makefile

@@ -0,0 +1,38 @@
+#
+# Makefile
+#
+# Copyright (C) 2018 Aleksandar Andrejevic <theflash@sdf.lonestar.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+all:
+	$(MAKE) -C acpica all
+	$(MAKE) -C fatfs all
+	$(MAKE) -C floppy all
+	$(MAKE) -C ps2 all
+	$(MAKE) -C ramfs all
+	$(MAKE) -C serial all
+	$(MAKE) -C speaker all
+	$(MAKE) -C vesa all
+
+clean:
+	$(MAKE) -C acpica clean
+	$(MAKE) -C fatfs clean
+	$(MAKE) -C floppy clean
+	$(MAKE) -C ps2 clean
+	$(MAKE) -C ramfs clean
+	$(MAKE) -C serial clean
+	$(MAKE) -C speaker clean
+	$(MAKE) -C vesa clean

drivers/acpica/Makefile

@@ -0,0 +1,78 @@
+#
+# Makefile
+#
+# Copyright (C) 2018 Aleksandar Andrejevic <theflash@sdf.lonestar.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# Settings
+DEBUG  = yes
+
+# Compilers and tools
+CC = i686-elf-gcc
+ASM = nasm
+LINK = i686-elf-ld
+
+# Directories
+SRCDIR = src
+OBJDIR = obj
+DEPDIR = dep
+
+LIBGCC_DIR = $(shell $(CC) -print-file-name=)
+
+# Flags
+CFLAGS = -Wall -Werror -Wno-strict-aliasing -ffreestanding -nostdlib -I ../.. -I include -I ../../kernel/include -I ../../crt/include
+ASMFLAGS = -felf
+LDFLAGS = -shared
+
+ifeq ($(DEBUG), yes)
+    CFLAGS += -g
+else
+    CFLAGS += -O3
+endif
+
+# Input and output files
+SOURCES =  $(shell find $(SRCDIR) -type f -name \*.c)
+DEPENDS = $(shell find $(DEPDIR) -type f -name \*.d)
+OBJECTS = $(patsubst $(SRCDIR)/%.c, $(OBJDIR)/%.o, $(patsubst $(SRCDIR)/%.asm, $(OBJDIR)/%.o, $(SOURCES)))
+
+.PHONY: all clean
+
+all: $(OBJDIR) $(DEPDIR) acpica.drv
+
+clean:
+	find $(OBJDIR) -name \*.o -delete
+	find $(DEPDIR) -name \*.d -delete
+	rm -f acpica.drv
+
+-include $(DEPENDS)
+
+$(OBJDIR):
+	mkdir -p $(OBJDIR)
+
+$(DEPDIR):
+	mkdir -p $(DEPDIR)
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.c Makefile
+	mkdir -p $(dir $@)
+	mkdir -p $(dir $(@:$(OBJDIR)/%.o=$(DEPDIR)/%.d))
+	$(CC) $(CFLAGS) -MMD -MP -MF $(@:$(OBJDIR)/%.o=$(DEPDIR)/%.d) -o $@ -c $<
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.asm
+	mkdir -p $(dir $@)
+	$(ASM) $(ASMFLAGS) -o $@ $<
+
+acpica.drv: $(OBJECTS)
+	$(LINK) -o $@ $(OBJECTS) $(LDFLAGS)