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/* Chrysalide - Outil d'analyse de fichiers binaires
* ##FILE## - traduction d'instructions ARMv7
*
* Copyright (C) 2017 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Chrysalide is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
@title WFE
@id 423
@desc {
Wait For Event is a hint instruction that permits the processor to enter a low-power state until one of a number of events occurs, including events signaled by executing the SEV instruction on any processor in the multiprocessor system. For more information, see Wait For Event and Send Event on page B1-1199. In an implementation that includes the Virtualization Extensions, if HCR.TWE is set to 1, execution of a WFE instruction in a Non-secure mode other than Hyp mode generates a Hyp Trap exception if, ignoring the value of the HCR.TWE bit, conditions permit the processor to suspend execution. For more information see Trapping use of the WFI and WFE instructions on page B1-1255.
}
@encoding (t1) {
@half 1 0 1 1 1 1 1 1 0 0 1 0 0 0 0 0
@syntax {
@asm wfe
}
}
@encoding (T2) {
@word 1 1 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
@syntax {
@asm wfe.w
}
}
@encoding (A1) {
@word cond(4) 0 0 1 1 0 0 1 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0
@syntax {
@asm wfe
@rules {
check g_arm_instruction_set_cond(cond)
}
}
}
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