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485d4e01ed
The VMWare backdoor handling code involves many x86-specific instructions and therefore should be in the Arch/x86 directory. This ensures we can easily omit the code in compile-time for non-x86 builds.
62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <AK/kmalloc.h>
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#include <Kernel/API/MousePacket.h>
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namespace Kernel {
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#define VMMOUSE_GETVERSION 10
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#define VMMOUSE_DATA 39
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#define VMMOUSE_STATUS 40
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#define VMMOUSE_COMMAND 41
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struct VMWareCommand {
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union {
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u32 ax;
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u32 magic;
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};
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union {
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u32 bx;
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u32 size;
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};
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union {
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u32 cx;
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u32 command;
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};
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union {
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u32 dx;
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u32 port;
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};
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u32 si;
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u32 di;
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};
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class VMWareBackdoor {
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public:
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VMWareBackdoor();
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static VMWareBackdoor* the();
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bool vmmouse_is_absolute() const;
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void enable_absolute_vmmouse();
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void disable_absolute_vmmouse();
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void send(VMWareCommand& command);
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u16 read_mouse_status_queue_size();
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MousePacket receive_mouse_packet();
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private:
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void send_high_bandwidth(VMWareCommand& command);
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void get_high_bandwidth(VMWareCommand& command);
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bool detect_vmmouse();
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bool m_vmmouse_absolute { false };
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};
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}
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