linux/arch/ia64/kernel/paravirt_patchlist.c

82 lines
2.3 KiB
C

/******************************************************************************
* 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>
#include <linux/init.h>
#include <linux/kernel.h>
#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;
}