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Update drivers
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EnderIce2
83
misc/example/Makefile
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83
misc/example/Makefile
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# Config file
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include ../../../Makefile.conf
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FILENAME = example.drv
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CC = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)gcc
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CPP = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)g++
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LD = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)ld
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AS = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)as
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OBJDUMP = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)objdump
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S_SOURCES = $(shell find ./ -type f -name '*.S')
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C_SOURCES = $(shell find ./ -type f -name '*.c')
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp')
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HEADERS = $(sort $(dir $(wildcard ../../include/*)))
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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)
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STACK_USAGE_OBJ = $(C_SOURCES:.c=.su) $(CPP_SOURCES:.cpp=.su)
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INCLUDE_DIR = ../../include
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LIBS := ../../out/dcrt0.o -L../../out -ldriver
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LDFLAGS := \
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-fPIC -fPIE -pie \
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-Wl,--no-dynamic-linker,-ztext,--no-warn-rwx-segment \
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-nostdlib -nodefaultlibs -nolibc \
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-zmax-page-size=0x1000 \
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-Wl,-Map file.map -shared -fvisibility=hidden
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WARNCFLAG = -Wall -Wextra
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CFLAGS := -I$(INCLUDE_DIR) -fvisibility=hidden
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ifeq ($(OSARCH), amd64)
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CFLAGS += -fPIC -fPIE -pie -mno-80387 -mno-mmx -mno-3dnow \
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-mno-red-zone -mno-sse -mno-sse2 \
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-march=x86-64 -pipe -ffunction-sections \
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-msoft-float -fno-builtin
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else ifeq ($(OSARCH), i386)
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CFLAGS += -fPIC -fPIE -pie -mno-80387 -mno-mmx -mno-3dnow \
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-mno-red-zone -mno-sse -mno-sse2 -ffunction-sections \
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-march=i386 -pipe -msoft-float -fno-builtin
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else ifeq ($(OSARCH), aarch64)
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CFLAGS += -pipe -fno-builtin -fPIC
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endif
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ifeq ($(DEBUG), 1)
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CFLAGS += -DDEBUG -ggdb3 -O0 -fdiagnostics-color=always -fstack-usage
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ifeq ($(OSARCH), amd64)
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CFLAGS += -fverbose-asm
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endif
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ifneq ($(OSARCH), aarch64)
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CFLAGS += -fstack-check
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endif
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LDFLAGS += -ggdb3 -O0
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endif
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build: $(FILENAME)
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mv $(FILENAME) ../../out/$(FILENAME)
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$(FILENAME): $(OBJ)
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$(info Linking $@)
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$(CC) $(LDFLAGS) $(OBJ) $(LIBS) -o $@
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%.o: %.c $(HEADERS)
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$(info Compiling $<)
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$(CC) $(CFLAGS) $(WARNCFLAG) -std=c17 -c $< -o $@
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%.o: %.cpp $(HEADERS)
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$(info Compiling $<)
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$(CPP) $(CFLAGS) $(WARNCFLAG) -std=c++20 -fno-exceptions -fno-rtti -c $< -o $@
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%.o: %.S
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$(info Compiling $<)
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$(AS) -o $@ $<
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clean:
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rm -f file.map $(OBJ) $(STACK_USAGE_OBJ)
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87
misc/example/main.c
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87
misc/example/main.c
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/*
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This file is part of Fennix Drivers.
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Fennix Drivers is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Drivers is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Drivers. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <base.h>
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int DriverEntry()
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{
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/** This is the main function of the driver.
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* This function is called when the driver is loaded.
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* This function should be used to initialize the PCI device
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* and allocate resources.
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*/
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/* Print a message to the screen */
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KPrint("Hello World from Example Driver!");
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/* Print a message to the kernel log */
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Log("Hello World from Example Driver!");
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/* Print a message only if DEBUG is set */
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DebugLog("Hello World from Example Driver!");
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/* Return 0 to indicate success */
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return 0;
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}
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int DriverFinal()
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{
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/** This function is called when the driver is unloaded.
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* This function should be used to stop the PCI device and
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* free any resources.
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*/
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return 0;
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}
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int DriverPanic()
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{
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/** This function is called when the kernel panics.
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* This function should be used to stop the driver from
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* receiving interrupts or anything else that is not
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* safe to do when the kernel panics.
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*/
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return 0;
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}
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int DriverProbe()
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{
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/** This is the first function that is called when the
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* driver is loaded.
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* We can use this function to test if the driver is
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* compatible with the hardware.
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* Like if we have a specific PCI device or if we have
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* a specific CPU feature.
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*
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* Return 0 if the driver is compatible with the hardware.
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* Otherwise, we return a value from the errno.h header.
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*
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* Note: In this function you cannot use variables that
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* have constructors or destructors. Before DriverEntry,
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* the constructors are called and after DriverFinalize,
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* the destructors are called.
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*/
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return 0;
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}
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DriverInfo("example",
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"Example Driver",
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"EnderIce2",
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"0.1",
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"GPLv3");
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