Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ARCH_POWERPC_EXTABLE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ARCH_POWERPC_EXTABLE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * The exception table consists of pairs of relative addresses: the first is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * the address of an instruction that is allowed to fault, and the second is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * the address at which the program should continue.  No registers are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * modified, so it is entirely up to the continuation code to figure out what
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * to do.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * All the routines below use bits of fixup code that are out of line with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * main instruction path.  This means when everything is well, we don't even
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * have to jump over them.  Further, they do not intrude on our cache or tlb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * entries.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define ARCH_HAS_RELATIVE_EXTABLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct exception_table_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	int insn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	int fixup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static inline unsigned long extable_fixup(const struct exception_table_entry *x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	return (unsigned long)&x->fixup + x->fixup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #endif