diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2017-12-02 11:04:35 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2017-12-02 11:04:35 (GMT) |
commit | 2c988d3ec52cc4c949a35aca7ef335dac773df92 (patch) | |
tree | fe650d2fc8ddceb606abdf0d2e14e5ef6596be82 /plugins/arm/v7/opdefs/ldrh_A8882.d | |
parent | 23abef53590bf3dd6f88ff4dbe81e306abfa4386 (diff) |
Created a plugin for the ARM support.
Diffstat (limited to 'plugins/arm/v7/opdefs/ldrh_A8882.d')
-rw-r--r-- | plugins/arm/v7/opdefs/ldrh_A8882.d | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/plugins/arm/v7/opdefs/ldrh_A8882.d b/plugins/arm/v7/opdefs/ldrh_A8882.d new file mode 100644 index 0000000..823bf24 --- /dev/null +++ b/plugins/arm/v7/opdefs/ldrh_A8882.d @@ -0,0 +1,88 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * ##FILE## - traduction d'instructions ARMv7 + * + * Copyright (C) 2015 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 LDRH (register) + +@desc Load Register Halfword (register) calculates an address from a base register value and an offset register value, loads a halfword from memory, zero-extends it to form a 32-bit word, and writes it to a register. The offset register value can be shifted left by 0, 1, 2, or 3 bits. For information about memory accesses see Memory accesses on page A8-294. + +@encoding (t1) { + + @half 0 1 0 1 1 0 1 Rm(3) Rn(3) Rt(3) + + @syntax <reg_T> <mem_access> + + @conv { + + reg_T = Register(Rt) + reg_N = Register(Rn) + reg_M = Register(Rm) + mem_access = MakeMemoryAccess(reg_N, reg_M, NULL, true, true, false) + + } + +} + +@encoding (T2) { + + @word 1 1 1 1 1 0 0 0 0 0 1 1 Rn(4) Rt(4) 0 0 0 0 0 0 imm2(2) Rm(4) + + @syntax ".W" <reg_T> <mem_access> + + @conv { + + reg_T = Register(Rt) + reg_N = Register(Rn) + reg_M = Register(Rm) + shift = DecodeImmShift(0, imm2) + mem_access = MakeMemoryAccess(reg_N, reg_M, shift, true, true, false) + + } + +} + +@encoding (A1) { + + @word cond(4) 0 0 0 P(1) U(1) 0 W(1) 1 Rn(4) Rt(4) 0 0 0 0 1 0 1 1 Rm(4) + + @syntax <reg_T> <mem_access> + + @conv { + + reg_T = Register(Rt) + reg_N = Register(Rn) + reg_M = Register(Rm) + index = (P == '1') + add = (U == '1') + wback = (P == '0') || (W == '1') + mem_access = MakeMemoryAccess(reg_N, reg_M, NULL, index, add, wback) + + } + + @rules { + + chk_call StoreCondition(cond) + + } + +} + |