2001-04-10 06:20:02 +04:00
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// Copyright (C) 2001 MandrakeSoft S.A.
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2001-04-10 05:04:59 +04:00
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#define BX_MAX_G2H_CHANNELS 8
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#define BX_G2H_ERROR ((unsigned) -1)
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// IO port number for this interface. Align on dword boundary.
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#define BX_G2H_PORT 0x2000
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// Magic number which is first dword passed by guest
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#define BX_G2H_MAGIC 0xffeeddcc
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// Number of dwords in packet from guest
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#define BX_G2H_PACKET_SIZE 5
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typedef Bit32u bx_guest_packet_t[BX_G2H_PACKET_SIZE];
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typedef void (*bx_g2h_callback_t)(bx_guest_packet_t *);
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merge in BRANCH-io-cleanup.
To see the commit logs for this use either cvsweb or
cvs update -r BRANCH-io-cleanup and then 'cvs log' the various files.
In general this provides a generic interface for logging.
logfunctions:: is a class that is inherited by some classes, and also
. allocated as a standalone global called 'genlog'. All logging uses
. one of the ::info(), ::error(), ::ldebug(), ::panic() methods of this
. class through 'BX_INFO(), BX_ERROR(), BX_DEBUG(), BX_PANIC()' macros
. respectively.
.
. An example usage:
. BX_INFO(("Hello, World!\n"));
iofunctions:: is a class that is allocated once by default, and assigned
as the iofunction of each logfunctions instance. It is this class that
maintains the file descriptor and other output related code, at this
point using vfprintf(). At some future point, someone may choose to
write a gui 'console' for bochs to which messages would be redirected
simply by assigning a different iofunction class to the various logfunctions
objects.
More cleanup is coming, but this works for now. If you want to see alot
of debugging output, in main.cc, change onoff[LOGLEV_DEBUG]=0 to =1.
Comments, bugs, flames, to me: todd@fries.net
2001-05-15 18:49:57 +04:00
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class bx_g2h_c : public logfunctions {
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2001-04-10 05:04:59 +04:00
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public:
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bx_g2h_c(void);
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~bx_g2h_c(void);
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static void init(bx_devices_c *d);
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unsigned aquire_channel(bx_g2h_callback_t);
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unsigned deaquire_channel(unsigned channel);
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private:
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static Bit32u inp_handler(void *this_ptr, Bit32u addr, unsigned io_len);
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static void outp_handler(void *this_ptr, Bit32u addr,
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Bit32u value, unsigned io_len);
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// state info
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struct {
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struct {
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bx_g2h_callback_t f;
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Boolean used;
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} callback[BX_MAX_G2H_CHANNELS];
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// Define the data received from the guest OS.
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// dword0: magic number, should be BX_G2H_MAGIC
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// dword1: channel ID
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// dword2: address of data structure in guest physical memory
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// dword3: size of data structure in guest physical memory
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// dword4: address of return data structure in guest physical memory
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unsigned packet_count;
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bx_guest_packet_t guest_packet;
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} s;
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};
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extern bx_g2h_c bx_g2h;
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