VirtualBox mouse stub driver

Input/Makefile

@@ -1,5 +1,7 @@
 build:
 	make --quiet -C VMwareMouse build
+	make --quiet -C VirtualBoxMouse build
 
 clean:
 	make -C VMwareMouse clean
+	make -C VirtualBoxMouse clean

Input/VirtualBoxMouse/Makefile

@@ -0,0 +1,98 @@
+# Config file
+include ../../../Makefile.conf
+
+FILENAME = VirtualBoxMouseDriver.fex
+
+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
+
+GIT_COMMIT = $(shell git rev-parse HEAD)
+GIT_COMMIT_SHORT = $(shell git rev-parse --short HEAD)
+
+ifeq ($(OSARCH), amd64)
+S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/i686/*" -not -path "./arch/aarch64/*")
+C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/i686/*" -not -path "./arch/aarch64/*")
+CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/i686/*" -not -path "./arch/aarch64/*")
+else ifeq ($(OSARCH), i686)
+S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
+C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
+CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
+else ifeq ($(OSARCH), aarch64)
+S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/amd64/*" -not -path "./arch/i686/*")
+C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/amd64/*" -not -path "./arch/i686/*")
+CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/amd64/*" -not -path "./arch/i686/*")
+endif
+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) $(BMP_SOURCES:.bmp=.o)
+INCLUDE_DIR = ../../include
+
+LDFLAGS := 															\
+	-fPIC -fPIE -pie -Wl,-eDriverEntry								\
+	-Wl,-static,--no-dynamic-linker,-ztext,--no-warn-rwx-segment 	\
+	-nostdlib -nodefaultlibs -nolibc  								\
+	-zmax-page-size=0x1000											\
+ 	-Wl,-Map file.map -static -Tlinker.ld
+
+WARNCFLAG = -Wall -Wextra
+
+CFLAGS :=										\
+	-I$(INCLUDE_DIR)							\
+	-DGIT_COMMIT='"$(GIT_COMMIT)"'				\
+	-DGIT_COMMIT_SHORT='"$(GIT_COMMIT_SHORT)"'
+
+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), i686)
+
+CFLAGS += -fPIC -fPIE -pie -mno-80387 -mno-mmx -mno-3dnow		\
+		  -mno-red-zone -mno-sse -mno-sse2 -ffunction-sections	\
+		  -march=i686 -pipe -msoft-float -fno-builtin
+
+else ifeq ($(OSARCH), aarch64)
+
+CFLAGS += -pipe -fno-builtin -fPIC
+
+endif
+
+build: $(FILENAME)
+ifeq ($(OSARCH), amd64)
+	$(OBJDUMP) -b binary -D -m i386:x86-64 -d $(FILENAME) > file_dump.map
+else ifeq ($(OSARCH), i686)
+
+else ifeq ($(OSARCH), aarch64)
+
+endif
+	mv $(FILENAME) ../../out/$(FILENAME)
+
+$(FILENAME): $(OBJ)
+	$(info Linking $@)
+	$(CC) $(LDFLAGS) $(OBJ) -o $@
+
+%.o: %.c $(HEADERS)
+	$(info Compiling $<)
+	$(CC) $(CFLAGS) $(WARNCFLAG) -std=c17 -c $< -o $@
+
+%.o: %.cpp $(HEADERS)
+	$(info Compiling $<)
+	$(CPP) $(CFLAGS) $(WARNCFLAG) -std=c++20 -fexceptions -c $< -o $@ -fno-rtti
+
+%.o: %.S
+	$(info Compiling $<)
+ifeq ($(OSARCH), amd64)
+	$(AS) -o $@ $<
+else ifeq ($(OSARCH), i686)
+	$(AS) -o $@ $<
+else ifeq ($(OSARCH), aarch64)
+	$(AS) -o $@ $<
+endif
+
+clean:
+	rm -f *.o file.map file_dump.map $(OBJ)

Input/VirtualBoxMouse/VirtualBoxMouseDriver.cpp

@@ -0,0 +1,90 @@
+#include <pci.h>
+#include <io.h>
+
+#include "../../../Kernel/DAPI.hpp"
+#include "../../../Kernel/Fex.hpp"
+
+extern "C" int DriverEntry(void *Data);
+int CallbackHandler(KernelCallback *Data);
+
+HEAD(FexFormatType_Driver, FexOSType_Fennix, DriverEntry);
+
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+
+__attribute__((section(".extended"))) FexExtended ExtendedHeader = {
+    .Driver = {
+        .Name = "VMware Virtual Mouse Driver",
+        .Type = FexDriverType_Input,
+        .Callback = CallbackHandler,
+        .Bind = {
+            .Type = BIND_PCI,
+            .PCI = {
+                .VendorID = {0x80EE},
+                .DeviceID = {0xCAFE},
+                .Class = 0x2,
+                .SubClass = 0x0,
+                .ProgIF = 0x0,
+            }}}};
+
+KernelAPI *KAPI;
+
+#define print(msg) KAPI->Util.DebugPrint((char *)(msg), KAPI->Info.DriverUID)
+
+/* --------------------------------------------------------------------------------------------------------- */
+
+int DriverEntry(void *Data)
+{
+    if (!Data)
+        return INVALID_KERNEL_API;
+    KAPI = (KernelAPI *)Data;
+    if (KAPI->Version.Major < 0 || KAPI->Version.Minor < 0 || KAPI->Version.Patch < 0)
+        return KERNEL_API_VERSION_NOT_SUPPORTED;
+
+    print("Not implemented!");
+    return NOT_IMPLEMENTED;
+
+    // return OK;
+}
+
+int MouseX = 0, MouseY = 0, MouseZ = 0;
+int MouseButton = 0;
+
+int CallbackHandler(KernelCallback *Data)
+{
+    switch (Data->Reason)
+    {
+    case AcknowledgeReason:
+    {
+        print("Kernel acknowledged the driver.");
+        break;
+    }
+    case ConfigurationReason:
+    {
+        break;
+    }
+    case FetchReason:
+    {
+        Data->InputCallback.Mouse.X = MouseX;
+        Data->InputCallback.Mouse.Y = MouseY;
+        Data->InputCallback.Mouse.Z = MouseZ;
+        Data->InputCallback.Mouse.Buttons.Left = MouseButton & 0x20;
+        Data->InputCallback.Mouse.Buttons.Right = MouseButton & 0x10;
+        Data->InputCallback.Mouse.Buttons.Middle = MouseButton & 0x08;
+        break;
+    }
+    case StopReason:
+    {
+        break;
+    }
+    case InterruptReason:
+    {
+        break;
+    }
+
+    default:
+    {
+        break;
+    }
+    }
+    return OK;
+}

Input/VirtualBoxMouse/linker.ld

@@ -0,0 +1,40 @@
+OUTPUT_FORMAT(binary)
+OUTPUT_ARCH(i386:x86-64)
+
+ENTRY(DriverEntry)
+
+SECTIONS
+{
+    .header :
+    {
+        *(.header .header.*)
+        *(.extended .extended.*)
+    }
+
+    .text :
+    {
+        *(.text .text.*)
+    }
+
+    .data :
+    {
+        *(.data .data.*)
+    }
+
+    .rodata :
+    {
+        *(.rodata .rodata.*)
+    }
+
+    .bss :
+    {
+        *(COMMON)
+        *(.bss .bss.*)
+    }
+
+    /DISCARD/ :
+    {
+        *(.eh_frame)
+        *(.note .note.*)
+    }
+}