Files
Linux_Drivers/linux_5.10/arch/ia64/mm/extable.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

25 lines
620 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Kernel exception handling table support. Derived from arch/alpha/mm/extable.c.
*
* Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <asm/ptrace.h>
#include <asm/extable.h>
#include <asm/errno.h>
#include <asm/processor.h>
void
ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e)
{
long fix = (u64) &e->fixup + e->fixup;
regs->r8 = -EFAULT;
if (fix & 4)
regs->r9 = 0;
regs->cr_iip = fix & ~0xf;
ia64_psr(regs)->ri = fix & 0x3; /* set continuation slot number */
}