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TOMOYO Linux Cross Reference
Linux/arch/arm64/include/asm/fpsimdmacros.h

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  1 /*
  2  * FP/SIMD state saving and restoring macros
  3  *
  4  * Copyright (C) 2012 ARM Ltd.
  5  * Author: Catalin Marinas <catalin.marinas@arm.com>
  6  *
  7  * This program is free software; you can redistribute it and/or modify
  8  * it under the terms of the GNU General Public License version 2 as
  9  * published by the Free Software Foundation.
 10  *
 11  * This program is distributed in the hope that it will be useful,
 12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  * GNU General Public License for more details.
 15  *
 16  * You should have received a copy of the GNU General Public License
 17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 18  */
 19 
 20 .macro fpsimd_save state, tmpnr
 21         stp     q0, q1, [\state, #16 * 0]
 22         stp     q2, q3, [\state, #16 * 2]
 23         stp     q4, q5, [\state, #16 * 4]
 24         stp     q6, q7, [\state, #16 * 6]
 25         stp     q8, q9, [\state, #16 * 8]
 26         stp     q10, q11, [\state, #16 * 10]
 27         stp     q12, q13, [\state, #16 * 12]
 28         stp     q14, q15, [\state, #16 * 14]
 29         stp     q16, q17, [\state, #16 * 16]
 30         stp     q18, q19, [\state, #16 * 18]
 31         stp     q20, q21, [\state, #16 * 20]
 32         stp     q22, q23, [\state, #16 * 22]
 33         stp     q24, q25, [\state, #16 * 24]
 34         stp     q26, q27, [\state, #16 * 26]
 35         stp     q28, q29, [\state, #16 * 28]
 36         stp     q30, q31, [\state, #16 * 30]!
 37         mrs     x\tmpnr, fpsr
 38         str     w\tmpnr, [\state, #16 * 2]
 39         mrs     x\tmpnr, fpcr
 40         str     w\tmpnr, [\state, #16 * 2 + 4]
 41 .endm
 42 
 43 .macro fpsimd_restore state, tmpnr
 44         ldp     q0, q1, [\state, #16 * 0]
 45         ldp     q2, q3, [\state, #16 * 2]
 46         ldp     q4, q5, [\state, #16 * 4]
 47         ldp     q6, q7, [\state, #16 * 6]
 48         ldp     q8, q9, [\state, #16 * 8]
 49         ldp     q10, q11, [\state, #16 * 10]
 50         ldp     q12, q13, [\state, #16 * 12]
 51         ldp     q14, q15, [\state, #16 * 14]
 52         ldp     q16, q17, [\state, #16 * 16]
 53         ldp     q18, q19, [\state, #16 * 18]
 54         ldp     q20, q21, [\state, #16 * 20]
 55         ldp     q22, q23, [\state, #16 * 22]
 56         ldp     q24, q25, [\state, #16 * 24]
 57         ldp     q26, q27, [\state, #16 * 26]
 58         ldp     q28, q29, [\state, #16 * 28]
 59         ldp     q30, q31, [\state, #16 * 30]!
 60         ldr     w\tmpnr, [\state, #16 * 2]
 61         msr     fpsr, x\tmpnr
 62         ldr     w\tmpnr, [\state, #16 * 2 + 4]
 63         msr     fpcr, x\tmpnr
 64 .endm
 65 

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