| Marc Zyngier | cfc5180 | 2012-11-12 13:24:27 +0000 | [diff] [blame] | 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 |