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/*
* Copyright (c) 2014 HockeyApp, Bit Stadium GmbH.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#import "CRLCrashPrivInst.h"
@implementation CRLCrashPrivInst
- (NSString *)category { return @"SIGILL"; }
- (NSString *)title { return @"Execute a privileged instruction"; }
- (NSString *)desc { return @"Attempt to execute an instruction that can only be executed in supervisor mode."; }
- (void)crash
{
#if __i386__
asm volatile ( "hlt" : : : );
#elif __x86_64__
asm volatile ( "hlt" : : : );
#elif __arm__ && __ARM_ARCH == 7 && __thumb__
asm volatile ( ".long 0xf7f08000" : : : );
#elif __arm__ && __ARM_ARCH == 7
asm volatile ( ".long 0xe1400070" : : : );
#elif __arm__ && __ARM_ARCH == 6 && __thumb__
asm volatile ( ".long 0xf5ff8f00" : : : );
#elif __arm__ && __ARM_ARCH == 6
asm volatile ( ".long 0xe14ff000" : : : );
#elif __arm64__
/* Invalidate all EL1&0 regime stage 1 and 2 TLB entries. This should
* not be possible from userspace, for hopefully obvious reasons :-) */
asm volatile ( "tlbi alle1" : : : );
#endif
}
@end