3  * Architecture-specific unaligned trap handling.
13  * 2001/10/11	Fix unaligned access to rotating registers in s/w pipelined loops.
15  * 2001/01/17	Add support emulation of unaligned kernel accesses.
29 #include <asm/unaligned.h>
63  *  (i.e. don't allow attacker to fill up logs with unaligned accesses).
471 	 * than the Unaligned Reference fault.  in setreg()
526 	 * From EAS-2.5: FPDisableFault has higher priority than Unaligned  in setfpreg()
588 	 * Unaligned Fault. Thus, when we get here, we know the partition is  in getfpreg()
677 	 * Given the way we handle unaligned speculative loads, we should  in emulate_load_updates()
683 		if (die_if_kernel("unaligned reference on speculative load with register update\n",  in emulate_load_updates()
731 		 * before getting the unaligned fault). So we can use ifa  in emulate_load_updates()
777 	 * faults have higher priority than unaligned faults.  in emulate_load_int()
780 	 * unaligned reference.  in emulate_load_int()
821 	 *	- suppose ldX.a r1=[r3]. If we get to the unaligned trap it's because the  in emulate_load_int()
906 	 * we rely on the macros in unaligned.h for now i.e.,  in emulate_store_int()
929 	 * unaligned access.  in emulate_store_int()
1049 	 * higher priority than unaligned faults.  in emulate_load_floatpair()
1051 	 * r0 cannot be found as the base as it would never generate an unaligned  in emulate_load_floatpair()
1155 	 * faults have higher priority than unaligned faults.  in emulate_load_float()
1158 	 * unaligned reference.  in emulate_load_float()
1274 	 * unaligned access.  in emulate_store_float()
1307  * Make sure we log the unaligned access, so that user/sysadmin can notice it and
1329 		if (die_if_kernel("big-endian unaligned accesses are not supported", regs, 0))  in ia64_handle_unaligned()
1336 	 * user-level unaligned accesses.  Otherwise, a clever program could trick this  in ia64_handle_unaligned()
1352 			len = sprintf(buf, "%s(%d): unaligned access to 0x%016lx, "  in ia64_handle_unaligned()
1371 				       "unaligned exception which required\n"  in ia64_handle_unaligned()
1374 				       "Unaligned exception warnings have "  in ia64_handle_unaligned()
1378 				       "unaligned-usertrap to re-enable\n",  in ia64_handle_unaligned()
1384 			printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n",  in ia64_handle_unaligned()
1416 	 * that DO generate unaligned references. This is made on purpose because for some  in ia64_handle_unaligned()
1552 		if (die_if_kernel("error during unaligned kernel access\n", regs, ret))  in ia64_handle_unaligned()