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Diffstat (limited to 'plugins/arm/v7/opdefs/A8820_bfi.d')
-rw-r--r-- | plugins/arm/v7/opdefs/A8820_bfi.d | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/plugins/arm/v7/opdefs/A8820_bfi.d b/plugins/arm/v7/opdefs/A8820_bfi.d new file mode 100644 index 0000000..aa71aa8 --- /dev/null +++ b/plugins/arm/v7/opdefs/A8820_bfi.d @@ -0,0 +1,87 @@ + +/* 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>. + */ + + +@title BFI + +@id 19 + +@desc { + + Bit Field Insert copies any number of low order bits from a register into the same number of adjacent bits at any position in the destination register. + +} + +@encoding (T1) { + + @word 1 1 1 1 0 0 1 1 0 1 1 0 Rn(4) 0 imm3(3) Rd(4) imm2(2) 0 msb(5) + + @syntax { + + @subid 72 + + @conv { + + reg_D = Register(Rd) + reg_N = Register(Rn) + lsbit = UInt(imm3:imm2) + msbit = UInt(msb) + width = BitDiff(msbit, lsbit) + + } + + @asm bfi reg_D reg_N lsbit width + + } + +} + +@encoding (A1) { + + @word cond(4) 0 1 1 1 1 1 0 msb(5) Rd(4) lsb(5) 0 0 1 Rn(4) + + @syntax { + + @subid 73 + + @conv { + + reg_D = Register(Rd) + reg_N = Register(Rn) + lsbit = UInt(lsb) + msbit = UInt(msb) + width = BitDiff(msbit, lsbit) + + } + + @asm bfi reg_D reg_N lsbit width + + @rules { + + check g_arm_instruction_set_cond(cond) + + } + + } + +} + |