mirror of
https://github.com/Fennix-Project/Drivers.git
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Added virtio network stub driver
This commit is contained in:
Alex
parent
8dbabcbde6
commit
ef3ad03d61
GPG Key ID:
EACC3AD603BAB4DD
100
Network/Virtio/Makefile
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100
Network/Virtio/Makefile
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@ -0,0 +1,100 @@
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# Config file
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include ../../../Makefile.conf
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FILENAME = virtio_net.fex
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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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GIT_COMMIT = $(shell git rev-parse HEAD)
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GIT_COMMIT_SHORT = $(shell git rev-parse --short HEAD)
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ifeq ($(OSARCH), amd64)
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S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/i686/*" -not -path "./arch/aarch64/*")
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C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/i686/*" -not -path "./arch/aarch64/*")
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/i686/*" -not -path "./arch/aarch64/*")
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else ifeq ($(OSARCH), i686)
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S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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else ifeq ($(OSARCH), aarch64)
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S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/amd64/*" -not -path "./arch/i686/*")
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C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/amd64/*" -not -path "./arch/i686/*")
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/amd64/*" -not -path "./arch/i686/*")
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endif
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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) $(BMP_SOURCES:.bmp=.o)
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INCLUDE_DIR = ../../include
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LDFLAGS := \
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-fPIC -fno-pie \
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-Wl,-static,--no-dynamic-linker,-ztext \
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-nostdlib -nodefaultlibs -nolibc \
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-zmax-page-size=0x1000 \
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-Wl,-Map file.map -shared
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WARNCFLAG = -Wall -Wextra
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CFLAGS := \
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-I$(INCLUDE_DIR) \
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-DGIT_COMMIT='"$(GIT_COMMIT)"' \
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-DGIT_COMMIT_SHORT='"$(GIT_COMMIT_SHORT)"'
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ifeq ($(OSARCH), amd64)
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CFLAGS += -fPIC -fno-pie -mno-80387 -mno-mmx -mno-3dnow \
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-mno-red-zone -mno-sse -mno-sse2 \
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-march=x86-64 -pipe -ffunction-sections \
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-mcmodel=kernel -msoft-float -fno-builtin
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LDFLAGS += -Tarch/amd64/linker.ld
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else ifeq ($(OSARCH), i686)
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CFLAGS += -fPIC -fno-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=i686 -pipe -msoft-float -fno-builtin
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LDFLAGS += -Tarch/i686/linker.ld
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else ifeq ($(OSARCH), aarch64)
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CFLAGS += -pipe -fno-builtin -fPIC
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LDFLAGS += -Tarch/aarch64/linker.ld
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endif
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build: $(FILENAME)
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ifeq ($(OSARCH), amd64)
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$(OBJDUMP) -b binary -D -m i386:x86-64 -d $(FILENAME) > file_dump.map
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else ifeq ($(OSARCH), i686)
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else ifeq ($(OSARCH), aarch64)
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endif
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mv $(FILENAME) ../../out/$(FILENAME)
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$(FILENAME): $(OBJ)
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$(CC) $(LDFLAGS) $(OBJ) -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 -fexceptions -c $< -o $@ -fno-rtti
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%.o: %.S
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$(info Compiling $<)
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ifeq ($(OSARCH), amd64)
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$(AS) -o $@ $<
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else ifeq ($(OSARCH), i686)
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$(AS) -o $@ $<
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else ifeq ($(OSARCH), aarch64)
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$(AS) -o $@ $<
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endif
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clean:
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rm -f *.o file.map file_dump.map $(OBJ)
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94
Network/Virtio/Virtio.cpp
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94
Network/Virtio/Virtio.cpp
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@ -0,0 +1,94 @@
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#include <netools.h>
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#include <pci.h>
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#include <io.h>
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#include "../../../Kernel/DAPI.hpp"
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#include "../../../Kernel/Fex.hpp"
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extern "C" int DriverEntry(KernelAPI *Data);
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int CallbackHandler(KernelCallback *Data);
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HEAD(FexFormatType_Driver, FexOSType_Fennix, DriverEntry);
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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__attribute__((section(".extended"))) FexExtended ExtendedHeader = {
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.Driver = {
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.Name = "Virtio Network",
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.Type = FexDriverType_Network,
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.Callback = CallbackHandler,
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.Bind = {
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.Type = BIND_PCI,
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.PCI = {
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.VendorID = 0x1AF4,
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.DeviceID = 0x1000,
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.Class = 0x2,
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.SubClass = 0x0,
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.ProgIF = 0x0,
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}}}};
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KernelAPI *KAPI;
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/* --------------------------------------------------------------------------------------------------------- */
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struct BARData
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{
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uint8_t Type;
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uint64_t IOBase;
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uint64_t MemoryBase;
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};
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PCIDeviceHeader *PCIBaseAddress;
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BARData BAR;
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MediaAccessControl MAC;
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InternetProtocol4 IP;
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int DriverEntry(KernelAPI *Data)
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{
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if (!Data)
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return INVALID_KERNEL_API;
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if (Data->Version.Major < 0 || Data->Version.Minor < 0 || Data->Version.Patch < 0)
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return KERNEL_API_VERSION_NOT_SUPPORTED;
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KAPI = Data;
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return OK;
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}
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int CallbackHandler(KernelCallback *Data)
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{
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switch (Data->Reason)
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{
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case AcknowledgeReason:
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{
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KAPI->Util.DebugPrint(((char *)"Kernel acknowledged the driver." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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break;
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}
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case ConfigurationReason:
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{
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KAPI->Util.DebugPrint(((char *)"Kernel received configuration data." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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PCIBaseAddress = reinterpret_cast<PCIDeviceHeader *>(Data->RawPtr);
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if (PCIBaseAddress->VendorID == 0x1AF4 && PCIBaseAddress->DeviceID == 0x1000)
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{
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KAPI->Util.DebugPrint(((char *)"Found Virtio Network." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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return NOT_IMPLEMENTED;
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}
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else
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return DEVICE_NOT_SUPPORTED;
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break;
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}
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case InterruptReason:
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{
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break;
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}
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case SendReason:
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{
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break;
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}
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default:
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{
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KAPI->Util.DebugPrint(((char *)"Unknown reason." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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break;
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}
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}
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return OK;
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}
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42
Network/Virtio/arch/amd64/linker.ld
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42
Network/Virtio/arch/amd64/linker.ld
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/* EXPERIMENTAL */
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OUTPUT_FORMAT(binary)
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OUTPUT_ARCH(i386:x86-64)
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ENTRY(DriverEntry)
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SECTIONS
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{
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.header :
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{
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*(.header .header.*)
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*(.extended .extended.*)
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}
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.text :
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{
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*(.text .text.*)
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}
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.data :
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{
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*(.data .data.*)
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}
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.rodata :
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{
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*(.rodata .rodata.*)
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}
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.bss :
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{
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*(COMMON)
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*(.bss .bss.*)
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}
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/DISCARD/ :
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{
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*(.eh_frame)
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*(.note .note.*)
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}
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}
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