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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/ia64/mm/extable.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/mm/extable.c')
-rw-r--r-- | arch/ia64/mm/extable.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c new file mode 100644 index 000000000..da477c117 --- /dev/null +++ b/arch/ia64/mm/extable.c @@ -0,0 +1,24 @@ +// 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 */ +} |