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/*
* This file contains the implementation of the
* Linux re-IPL support
*
* (C) Copyright IBM Corp. 2005
*
* Author(s): Volker Sameske (sameske@de.ibm.com)
*
*/
#include <linux/kernel.h>
static unsigned int reipl_diag_rc1;
static unsigned int reipl_diag_rc2;
/*
* re-IPL the system using the last used IPL parameters
*/
void reipl_diag(void)
{
asm volatile (
" la %%r4,0\n"
" la %%r5,0\n"
" diag %%r4,%2,0x308\n"
"0:\n"
" st %%r4,%0\n"
" st %%r5,%1\n"
".section __ex_table,\"a\"\n"
#ifdef CONFIG_64BIT
" .align 8\n"
" .quad 0b, 0b\n"
#else
" .align 4\n"
" .long 0b, 0b\n"
#endif
".previous\n"
: "=m" (reipl_diag_rc1), "=m" (reipl_diag_rc2)
: "d" (3) : "cc", "4", "5" );
}
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