75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/////////////////////////////////////////////////////////////////////////
|
|
// $Id: guest2host.h,v 1.11 2009-02-07 21:05:31 sshwarts Exp $
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (C) 2001 MandrakeSoft S.A.
|
|
//
|
|
// MandrakeSoft S.A.
|
|
// 43, rue d'Aboukir
|
|
// 75002 Paris - France
|
|
// http://www.linux-mandrake.com/
|
|
// http://www.mandrakesoft.com/
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
|
|
//
|
|
|
|
#define BX_MAX_G2H_CHANNELS 8
|
|
#define BX_G2H_ERROR ((unsigned) -1)
|
|
// IO port number for this interface. Align on dword boundary.
|
|
#define BX_G2H_PORT 0x2000
|
|
// Magic number which is first dword passed by guest
|
|
#define BX_G2H_MAGIC 0xffeeddcc
|
|
// Number of dwords in packet from guest
|
|
#define BX_G2H_PACKET_SIZE 5
|
|
|
|
|
|
typedef Bit32u bx_guest_packet_t[BX_G2H_PACKET_SIZE];
|
|
typedef void (*bx_g2h_callback_t)(bx_guest_packet_t *);
|
|
|
|
|
|
class bx_g2h_c : public logfunctions {
|
|
public:
|
|
bx_g2h_c();
|
|
virtual ~bx_g2h_c();
|
|
static void init(void);
|
|
void reset(unsigned type);
|
|
unsigned acquire_channel(bx_g2h_callback_t);
|
|
unsigned deacquire_channel(unsigned channel);
|
|
|
|
private:
|
|
|
|
static Bit32u inp_handler(void *this_ptr, Bit32u addr, unsigned io_len);
|
|
static void outp_handler(void *this_ptr, Bit32u addr,
|
|
Bit32u value, unsigned io_len);
|
|
// state info
|
|
struct {
|
|
struct {
|
|
bx_g2h_callback_t f;
|
|
bx_bool used;
|
|
} callback[BX_MAX_G2H_CHANNELS];
|
|
|
|
// Define the data received from the guest OS.
|
|
// dword0: magic number, should be BX_G2H_MAGIC
|
|
// dword1: channel ID
|
|
// dword2: address of data structure in guest physical memory
|
|
// dword3: size of data structure in guest physical memory
|
|
// dword4: address of return data structure in guest physical memory
|
|
unsigned packet_count;
|
|
bx_guest_packet_t guest_packet;
|
|
} s;
|
|
};
|
|
|
|
extern bx_g2h_c bx_g2h;
|