Fix driver implementation

misc/example/Makefile

@@ -1,83 +1,22 @@
-# Config file
+# Config files
 include ../../../Makefile.conf
-
-FILENAME = example.drv
-
-CC = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)gcc
-CPP = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)g++
-LD = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)ld
-AS = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)as
-OBJDUMP = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)objdump
+include ../../config.mk
 
 S_SOURCES = $(shell find ./ -type f -name '*.S')
 C_SOURCES = $(shell find ./ -type f -name '*.c')
 CPP_SOURCES = $(shell find ./ -type f -name '*.cpp')
 HEADERS = $(sort $(dir $(wildcard ../../include/*)))
-OBJ = $(C_SOURCES:.c=.o) $(CPP_SOURCES:.cpp=.o) $(ASM_SOURCES:.asm=.o) $(S_SOURCES:.S=.o) $(PSF_SOURCES:.psf=.o) $(BMP_SOURCES:.bmp=.o)
+OBJ = $(C_SOURCES:.c=.o) $(CPP_SOURCES:.cpp=.o) $(S_SOURCES:.S=.o)
 STACK_USAGE_OBJ = $(C_SOURCES:.c=.su) $(CPP_SOURCES:.cpp=.su)
-INCLUDE_DIR = ../../include
 
-LIBS := ../../out/dcrt0.o -L../../out -ldriver
-
-LDFLAGS := 															\
-	-fPIC -fPIE -pie												\
-	-Wl,--no-dynamic-linker,-ztext,--no-warn-rwx-segment 			\
-	-nostdlib -nodefaultlibs -nolibc  								\
-	-zmax-page-size=0x1000											\
-	-Wl,-Map file.map -shared -fvisibility=hidden
-
-WARNCFLAG = -Wall -Wextra
-
-CFLAGS := -I$(INCLUDE_DIR) -fvisibility=hidden
-
-ifeq ($(OSARCH), amd64)
-
-CFLAGS += -fPIC -fPIE -pie -mno-80387 -mno-mmx -mno-3dnow	\
-		  -mno-red-zone -mno-sse -mno-sse2					\
-		  -march=x86-64 -pipe -ffunction-sections			\
-		  -msoft-float -fno-builtin
-
-else ifeq ($(OSARCH), i386)
-
-CFLAGS += -fPIC -fPIE -pie -mno-80387 -mno-mmx -mno-3dnow		\
-		  -mno-red-zone -mno-sse -mno-sse2 -ffunction-sections	\
-		  -march=i386 -pipe -msoft-float -fno-builtin
-
-else ifeq ($(OSARCH), aarch64)
-
-CFLAGS += -pipe -fno-builtin -fPIC
-
-endif
-
-ifeq ($(DEBUG), 1)
-	CFLAGS += -DDEBUG -ggdb3 -O0 -fdiagnostics-color=always -fstack-usage
-ifeq ($(OSARCH), amd64)
-	CFLAGS += -fverbose-asm
-endif
-ifneq ($(OSARCH), aarch64)
-	CFLAGS += -fstack-check
-endif
-	LDFLAGS += -ggdb3 -O0
-endif
+FILENAME = example.drv
 
 build: $(FILENAME)
 	mv $(FILENAME) ../../out/$(FILENAME)
 
 $(FILENAME): $(OBJ)
 	$(info Linking $@)
-	$(CC) $(LDFLAGS) $(OBJ) $(LIBS) -o $@
-
-%.o: %.c $(HEADERS)
-	$(info Compiling $<)
-	$(CC) $(CFLAGS) $(WARNCFLAG) -std=c17 -c $< -o $@
-
-%.o: %.cpp $(HEADERS)
-	$(info Compiling $<)
-	$(CPP) $(CFLAGS) $(WARNCFLAG) -std=c++20 -fno-exceptions -fno-rtti -c $< -o $@
-
-%.o: %.S
-	$(info Compiling $<)
-	$(AS) -o $@ $<
+	$(CC) $(DRIVER_LDFLAGS) $(OBJ) ../../out/dcrt0.o -L../../out -lkernel -o $@
 
 clean:
 	rm -f file.map $(OBJ) $(STACK_USAGE_OBJ)

misc/example/main.c

@@ -20,16 +20,15 @@
 int DriverEntry()
 {
 	/** This is the main function of the driver.
-	 * This function is called when the driver is loaded.
 	 * This function should be used to initialize the PCI device
 	 * and allocate resources.
 	 */
 
-	/* Print a message to the screen */
-	KPrint("Hello World from Example Driver!");
+	/* Print a message to the kernel terminal */
+	KernelPrint("Hello World from Example Driver!");
 
 	/* Print a message to the kernel log */
-	Log("Hello World from Example Driver!");
+	KernelLog("Hello World from Example Driver!");
 
 	/* Print a message only if DEBUG is set */
 	DebugLog("Hello World from Example Driver!");
@@ -52,7 +51,7 @@ int DriverPanic()
 {
 	/** This function is called when the kernel panics.
 	 * This function should be used to stop the driver from
-	 * receiving interrupts or anything else that is not
+	 * sending interrupts or anything else that is not
 	 * safe to do when the kernel panics.
 	 */
 
@@ -63,13 +62,14 @@ int DriverProbe()
 {
 	/** This is the first function that is called when the
 	 * driver is loaded.
-	 * We can use this function to test if the driver is
-	 * compatible with the hardware.
-	 * Like if we have a specific PCI device or if we have
-	 * a specific CPU feature.
+	 *
+	 * This function is to test if the driver is compatible
+	 * with the hardware.
+	 * Example: Like if there is a PCI device that the driver
+	 * is for, or a CPU feature that etc.
 	 *
 	 * Return 0 if the driver is compatible with the hardware.
-	 * Otherwise, we return a value from the errno.h header.
+	 * Otherwise, return a value that is not 0.
 	 *
 	 * Note: In this function you cannot use variables that
 	 * have constructors or destructors. Before DriverEntry,
@@ -80,8 +80,18 @@ int DriverProbe()
 	return 0;
 }
 
+/** DriverInfo() is a macro that is used to define the
+ * driver's information.
+ *
+ * The parameters are:
+ * - Name: Lowercase name
+ * - Description: A short description
+ * - Author: The author
+ * - Version: The version
+ * - License: The license
+ */
 DriverInfo("example",
 		   "Example Driver",
 		   "EnderIce2",
-		   "0.1",
+		   0, 0, 1,
 		   "GPLv3");