mirror of
https://github.com/Fennix-Project/Drivers.git
synced 2025-07-11 15:19:23 +00:00
Added VMware mouse driver
This commit is contained in:
Alex
100
Input/VMwareMouse/Makefile
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100
Input/VMwareMouse/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 = VMwareGuestDriver.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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42
Input/VMwareMouse/arch/amd64/linker.ld
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42
Input/VMwareMouse/arch/amd64/linker.ld
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@ -0,0 +1,42 @@
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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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261
Input/VMwareMouse/vmware_mouse.cpp
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261
Input/VMwareMouse/vmware_mouse.cpp
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@ -0,0 +1,261 @@
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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(void *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 = "VMware Virtual Mouse Driver",
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.Type = FexDriverType_Input,
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.Callback = CallbackHandler,
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.Bind = {
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.Type = BIND_INTERRUPT,
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.Interrupt = {
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.Vector = {0xC}, // IRQ12
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}}}};
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KernelAPI *KAPI;
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/* --------------------------------------------------------------------------------------------------------- */
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/* https://wiki.osdev.org/VMware_tools */
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typedef struct
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{
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union
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{
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uint32_t ax;
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uint32_t magic;
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};
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union
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{
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uint32_t bx;
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size_t size;
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};
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union
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{
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uint32_t cx;
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uint16_t command;
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};
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union
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{
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uint32_t dx;
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uint16_t port;
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};
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uint32_t si;
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uint32_t di;
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} VMwareCommand;
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#define VMWARE_MAGIC 0x564D5868 /* hXMV */
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#define VMWARE_PORT 0x5658
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#define CMD_GETVERSION 0xA
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#define CMD_ABSPOINTER_DATA 0x27
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#define CMD_ABSPOINTER_STATUS 0x28
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#define CMD_ABSPOINTER_COMMAND 0x29
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#define ABSPOINTER_ENABLE 0x45414552 /* Q E A E */
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#define ABSPOINTER_RELATIVE 0xF5
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#define ABSPOINTER_ABSOLUTE 0x53424152 /* R A B S */
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void CommandSend(VMwareCommand *cmd)
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{
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cmd->magic = VMWARE_MAGIC;
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cmd->port = VMWARE_PORT;
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asm volatile("in %%dx, %0"
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: "+a"(cmd->ax), "+b"(cmd->bx), "+c"(cmd->cx), "+d"(cmd->dx), "+S"(cmd->si), "+D"(cmd->di));
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}
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bool IsVMwareBackdoorAvailable(void)
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{
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VMwareCommand cmd;
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cmd.bx = ~VMWARE_MAGIC;
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cmd.command = CMD_GETVERSION;
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CommandSend(&cmd);
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if (cmd.bx != VMWARE_MAGIC || cmd.ax == 0xFFFFFFFF)
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return false;
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return true;
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}
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int DriverEntry(void *Data)
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{
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if (!Data)
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return INVALID_KERNEL_API;
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KAPI = (KernelAPI *)Data;
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if (KAPI->Version.Major < 0 || KAPI->Version.Minor < 0 || KAPI->Version.Patch < 0)
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return KERNEL_API_VERSION_NOT_SUPPORTED;
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if (!IsVMwareBackdoorAvailable())
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return SYSTEM_NOT_SUPPORTED;
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return OK;
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}
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void Absolute(void)
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{
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VMwareCommand cmd;
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/* Enable */
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cmd.bx = ABSPOINTER_ENABLE;
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cmd.command = CMD_ABSPOINTER_COMMAND;
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CommandSend(&cmd);
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/* Status */
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cmd.bx = 0;
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cmd.command = CMD_ABSPOINTER_STATUS;
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CommandSend(&cmd);
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/* Read data (1) */
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cmd.bx = 1;
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cmd.command = CMD_ABSPOINTER_DATA;
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CommandSend(&cmd);
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/* Enable absolute */
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cmd.bx = ABSPOINTER_ABSOLUTE;
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cmd.command = CMD_ABSPOINTER_COMMAND;
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CommandSend(&cmd);
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}
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void Relative(void)
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{
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VMwareCommand cmd;
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cmd.bx = ABSPOINTER_RELATIVE;
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cmd.command = CMD_ABSPOINTER_COMMAND;
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CommandSend(&cmd);
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}
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enum Config
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{
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READ_CONFIG = 0x20,
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WRITE_CONFIG = 0x60
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};
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enum Ports
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{
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DATA = 0x60,
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STATUS = 0x64,
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COMMAND = 0x64,
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};
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enum State
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{
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OUTPUT_FULL = (1 << 0),
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INPUT_FULL = (1 << 1),
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MOUSE_BYTE = (1 << 5)
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};
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void WaitRead()
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{
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uint64_t Timeout = 100000;
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while (Timeout--)
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if (inb(Ports::STATUS) & State::OUTPUT_FULL)
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return;
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}
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void WaitWrite()
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{
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uint64_t Timeout = 100000;
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while (Timeout--)
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if ((inb(Ports::STATUS) & State::INPUT_FULL) == 0)
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return;
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}
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void Write(uint16_t Port, uint8_t Value)
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{
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WaitWrite();
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outb(Port, Value);
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}
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uint8_t Read()
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{
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WaitRead();
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return inb(Ports::DATA);
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}
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int MouseX = 0, MouseY = 0, MouseZ = 0;
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int MouseButton = 0;
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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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outb(COMMAND, 0xA8);
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Write(COMMAND, READ_CONFIG);
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uint8_t Status = Read();
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Status |= 0b10;
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Write(COMMAND, WRITE_CONFIG);
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Write(DATA, Status);
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Write(COMMAND, 0xD4);
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Write(DATA, 0xF6);
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Read();
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Write(COMMAND, 0xD4);
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Write(DATA, 0xF4);
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Read();
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Absolute();
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KAPI->Util.DebugPrint(((char *)"VMware mouse configured." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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break;
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}
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case InterruptReason:
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{
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uint8_t Data = inb(0x60);
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(void)Data;
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VMwareCommand cmd;
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cmd.bx = 0;
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cmd.command = CMD_ABSPOINTER_STATUS;
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CommandSend(&cmd);
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if (cmd.ax == 0xFFFF0000)
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{
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KAPI->Util.DebugPrint(((char *)"VMware mouse is not connected?" + KAPI->Info.Offset), KAPI->Info.DriverUID);
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Relative();
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Absolute();
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return ERROR;
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}
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if ((cmd.ax & 0xFFFF) < 4)
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return ERROR;
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cmd.bx = 4;
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cmd.command = CMD_ABSPOINTER_DATA;
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CommandSend(&cmd);
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int flags = (cmd.ax & 0xFFFF0000) >> 16; /* Not important */
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(void)flags;
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MouseButton = (cmd.ax & 0xFFFF); /* 0x10 = Right, 0x20 = Left, 0x08 = Middle */
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MouseX = cmd.bx; /* Both X and Y are scaled from 0 to 0xFFFF */
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MouseY = cmd.cx; /* You should map these somewhere to the actual resolution. */
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MouseZ = (int8_t)cmd.dx; /* Z is a single signed byte indicating scroll direction. */
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break;
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}
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case FetchReason:
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{
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Data->InputCallback.Mouse.X = MouseX;
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Data->InputCallback.Mouse.Y = MouseY;
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Data->InputCallback.Mouse.Z = MouseZ;
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Data->InputCallback.Mouse.Buttons.Left = MouseButton & 0x20;
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Data->InputCallback.Mouse.Buttons.Right = MouseButton & 0x10;
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Data->InputCallback.Mouse.Buttons.Middle = MouseButton & 0x08;
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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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Reference in New Issue
Block a user