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/* controlvm_direct.c
*
* Copyright � 2010 - 2013 UNISYS CORPORATION
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program 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, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*/
/* This is a controlvm-related code that is dependent upon firmware running
* on a virtual partition.
*/
#include "globals.h"
#include "uisutils.h"
#include "controlvm.h"
#define CURRENT_FILE_PC VISOR_CHIPSET_PC_controlvm_direct_c
/* We can fill in this code when we learn how to make vmcalls... */
int controlvm_init(void)
{
return 0;
}
void controlvm_deinit(void)
{
}
HOSTADDRESS controlvm_get_channel_address(void)
{
static BOOL warned = FALSE;
U64 addr = 0;
U32 size = 0;
if (!VMCALL_SUCCESSFUL(Issue_VMCALL_IO_CONTROLVM_ADDR(&addr, &size))) {
if (!warned) {
ERRDRV("%s - vmcall to determine controlvm channel addr failed",
__func__);
warned = TRUE;
}
return 0;
}
INFODRV("controlvm addr=%Lx", addr);
return addr;
}
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