Eric Lee / smarc-fsl-linux-kernel

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arch/ia64/kernel/paravirt_patchlist.c 2.26 KB
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e4ff5b8f5   Isaku Yamahata   ia64/pv_ops: gate... 
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  /******************************************************************************
   * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
   *                    VA Linux Systems Japan K.K.
   *
   * 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.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   *
   */
  
  #include <linux/bug.h>
d186b86ff   Jes Sorensen   [IA64] Fix build ... 
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  #include <linux/init.h>
  #include <linux/kernel.h>
e4ff5b8f5   Isaku Yamahata   ia64/pv_ops: gate... 
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  #include <asm/paravirt.h>
  
  #define DECLARE(name)						\
  	extern unsigned long					\
  		__ia64_native_start_gate_##name##_patchlist[];	\
  	extern unsigned long					\
  		__ia64_native_end_gate_##name##_patchlist[]
  
  DECLARE(fsyscall);
  DECLARE(brl_fsys_bubble_down);
  DECLARE(vtop);
  DECLARE(mckinley_e9);
  
  extern unsigned long __start_gate_section[];
  
  #define ASSIGN(name)							    \
  	.start_##name##_patchlist =					    \
  		(unsigned long)__ia64_native_start_gate_##name##_patchlist, \
  	.end_##name##_patchlist =					    \
  		(unsigned long)__ia64_native_end_gate_##name##_patchlist
  
  struct pv_patchdata pv_patchdata __initdata = {
  	ASSIGN(fsyscall),
  	ASSIGN(brl_fsys_bubble_down),
  	ASSIGN(vtop),
  	ASSIGN(mckinley_e9),
  
  	.gate_section = (void*)__start_gate_section,
  };
  
  
  unsigned long __init
  paravirt_get_gate_patchlist(enum pv_gate_patchlist type)
  {
  
  #define CASE(NAME, name)					\
  	case PV_GATE_START_##NAME:				\
  		return pv_patchdata.start_##name##_patchlist;	\
  	case PV_GATE_END_##NAME:				\
  		return pv_patchdata.end_##name##_patchlist;	\
  
  	switch (type) {
  		CASE(FSYSCALL, fsyscall);
  		CASE(BRL_FSYS_BUBBLE_DOWN, brl_fsys_bubble_down);
  		CASE(VTOP, vtop);
  		CASE(MCKINLEY_E9, mckinley_e9);
  	default:
  		BUG();
  		break;
  	}
  	return 0;
  }
  
  void * __init
  paravirt_get_gate_section(void)
  {
  	return pv_patchdata.gate_section;
  }