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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
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arch/arm64/include/asm/insn.h Normal file
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/*
* Copyright (C) 2013 Huawei Ltd.
* Author: Jiang Liu <liuj97@gmail.com>
*
* Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_INSN_H
#define __ASM_INSN_H
#include <linux/types.h>
/* A64 instructions are always 32 bits. */
#define AARCH64_INSN_SIZE 4
#ifndef __ASSEMBLY__
/*
* ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
* Section C3.1 "A64 instruction index by encoding":
* AArch64 main encoding table
* Bit position
* 28 27 26 25 Encoding Group
* 0 0 - - Unallocated
* 1 0 0 - Data processing, immediate
* 1 0 1 - Branch, exception generation and system instructions
* - 1 - 0 Loads and stores
* - 1 0 1 Data processing - register
* 0 1 1 1 Data processing - SIMD and floating point
* 1 1 1 1 Data processing - SIMD and floating point
* "-" means "don't care"
*/
enum aarch64_insn_encoding_class {
AARCH64_INSN_CLS_UNKNOWN, /* UNALLOCATED */
AARCH64_INSN_CLS_DP_IMM, /* Data processing - immediate */
AARCH64_INSN_CLS_DP_REG, /* Data processing - register */
AARCH64_INSN_CLS_DP_FPSIMD, /* Data processing - SIMD and FP */
AARCH64_INSN_CLS_LDST, /* Loads and stores */
AARCH64_INSN_CLS_BR_SYS, /* Branch, exception generation and
* system instructions */
};
enum aarch64_insn_hint_op {
AARCH64_INSN_HINT_NOP = 0x0 << 5,
AARCH64_INSN_HINT_YIELD = 0x1 << 5,
AARCH64_INSN_HINT_WFE = 0x2 << 5,
AARCH64_INSN_HINT_WFI = 0x3 << 5,
AARCH64_INSN_HINT_SEV = 0x4 << 5,
AARCH64_INSN_HINT_SEVL = 0x5 << 5,
};
enum aarch64_insn_imm_type {
AARCH64_INSN_IMM_ADR,
AARCH64_INSN_IMM_26,
AARCH64_INSN_IMM_19,
AARCH64_INSN_IMM_16,
AARCH64_INSN_IMM_14,
AARCH64_INSN_IMM_12,
AARCH64_INSN_IMM_9,
AARCH64_INSN_IMM_7,
AARCH64_INSN_IMM_6,
AARCH64_INSN_IMM_S,
AARCH64_INSN_IMM_R,
AARCH64_INSN_IMM_MAX
};
enum aarch64_insn_register_type {
AARCH64_INSN_REGTYPE_RT,
AARCH64_INSN_REGTYPE_RN,
AARCH64_INSN_REGTYPE_RT2,
AARCH64_INSN_REGTYPE_RM,
AARCH64_INSN_REGTYPE_RD,
AARCH64_INSN_REGTYPE_RA,
};
enum aarch64_insn_register {
AARCH64_INSN_REG_0 = 0,
AARCH64_INSN_REG_1 = 1,
AARCH64_INSN_REG_2 = 2,
AARCH64_INSN_REG_3 = 3,
AARCH64_INSN_REG_4 = 4,
AARCH64_INSN_REG_5 = 5,
AARCH64_INSN_REG_6 = 6,
AARCH64_INSN_REG_7 = 7,
AARCH64_INSN_REG_8 = 8,
AARCH64_INSN_REG_9 = 9,
AARCH64_INSN_REG_10 = 10,
AARCH64_INSN_REG_11 = 11,
AARCH64_INSN_REG_12 = 12,
AARCH64_INSN_REG_13 = 13,
AARCH64_INSN_REG_14 = 14,
AARCH64_INSN_REG_15 = 15,
AARCH64_INSN_REG_16 = 16,
AARCH64_INSN_REG_17 = 17,
AARCH64_INSN_REG_18 = 18,
AARCH64_INSN_REG_19 = 19,
AARCH64_INSN_REG_20 = 20,
AARCH64_INSN_REG_21 = 21,
AARCH64_INSN_REG_22 = 22,
AARCH64_INSN_REG_23 = 23,
AARCH64_INSN_REG_24 = 24,
AARCH64_INSN_REG_25 = 25,
AARCH64_INSN_REG_26 = 26,
AARCH64_INSN_REG_27 = 27,
AARCH64_INSN_REG_28 = 28,
AARCH64_INSN_REG_29 = 29,
AARCH64_INSN_REG_FP = 29, /* Frame pointer */
AARCH64_INSN_REG_30 = 30,
AARCH64_INSN_REG_LR = 30, /* Link register */
AARCH64_INSN_REG_ZR = 31, /* Zero: as source register */
AARCH64_INSN_REG_SP = 31 /* Stack pointer: as load/store base reg */
};
enum aarch64_insn_variant {
AARCH64_INSN_VARIANT_32BIT,
AARCH64_INSN_VARIANT_64BIT
};
enum aarch64_insn_condition {
AARCH64_INSN_COND_EQ = 0x0, /* == */
AARCH64_INSN_COND_NE = 0x1, /* != */
AARCH64_INSN_COND_CS = 0x2, /* unsigned >= */
AARCH64_INSN_COND_CC = 0x3, /* unsigned < */
AARCH64_INSN_COND_MI = 0x4, /* < 0 */
AARCH64_INSN_COND_PL = 0x5, /* >= 0 */
AARCH64_INSN_COND_VS = 0x6, /* overflow */
AARCH64_INSN_COND_VC = 0x7, /* no overflow */
AARCH64_INSN_COND_HI = 0x8, /* unsigned > */
AARCH64_INSN_COND_LS = 0x9, /* unsigned <= */
AARCH64_INSN_COND_GE = 0xa, /* signed >= */
AARCH64_INSN_COND_LT = 0xb, /* signed < */
AARCH64_INSN_COND_GT = 0xc, /* signed > */
AARCH64_INSN_COND_LE = 0xd, /* signed <= */
AARCH64_INSN_COND_AL = 0xe, /* always */
};
enum aarch64_insn_branch_type {
AARCH64_INSN_BRANCH_NOLINK,
AARCH64_INSN_BRANCH_LINK,
AARCH64_INSN_BRANCH_RETURN,
AARCH64_INSN_BRANCH_COMP_ZERO,
AARCH64_INSN_BRANCH_COMP_NONZERO,
};
enum aarch64_insn_size_type {
AARCH64_INSN_SIZE_8,
AARCH64_INSN_SIZE_16,
AARCH64_INSN_SIZE_32,
AARCH64_INSN_SIZE_64,
};
enum aarch64_insn_ldst_type {
AARCH64_INSN_LDST_LOAD_REG_OFFSET,
AARCH64_INSN_LDST_STORE_REG_OFFSET,
AARCH64_INSN_LDST_LOAD_PAIR_PRE_INDEX,
AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX,
AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX,
AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX,
};
enum aarch64_insn_adsb_type {
AARCH64_INSN_ADSB_ADD,
AARCH64_INSN_ADSB_SUB,
AARCH64_INSN_ADSB_ADD_SETFLAGS,
AARCH64_INSN_ADSB_SUB_SETFLAGS
};
enum aarch64_insn_movewide_type {
AARCH64_INSN_MOVEWIDE_ZERO,
AARCH64_INSN_MOVEWIDE_KEEP,
AARCH64_INSN_MOVEWIDE_INVERSE
};
enum aarch64_insn_bitfield_type {
AARCH64_INSN_BITFIELD_MOVE,
AARCH64_INSN_BITFIELD_MOVE_UNSIGNED,
AARCH64_INSN_BITFIELD_MOVE_SIGNED
};
enum aarch64_insn_data1_type {
AARCH64_INSN_DATA1_REVERSE_16,
AARCH64_INSN_DATA1_REVERSE_32,
AARCH64_INSN_DATA1_REVERSE_64,
};
enum aarch64_insn_data2_type {
AARCH64_INSN_DATA2_UDIV,
AARCH64_INSN_DATA2_SDIV,
AARCH64_INSN_DATA2_LSLV,
AARCH64_INSN_DATA2_LSRV,
AARCH64_INSN_DATA2_ASRV,
AARCH64_INSN_DATA2_RORV,
};
enum aarch64_insn_data3_type {
AARCH64_INSN_DATA3_MADD,
AARCH64_INSN_DATA3_MSUB,
};
enum aarch64_insn_logic_type {
AARCH64_INSN_LOGIC_AND,
AARCH64_INSN_LOGIC_BIC,
AARCH64_INSN_LOGIC_ORR,
AARCH64_INSN_LOGIC_ORN,
AARCH64_INSN_LOGIC_EOR,
AARCH64_INSN_LOGIC_EON,
AARCH64_INSN_LOGIC_AND_SETFLAGS,
AARCH64_INSN_LOGIC_BIC_SETFLAGS
};
#define __AARCH64_INSN_FUNCS(abbr, mask, val) \
static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
{ return (code & (mask)) == (val); } \
static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \
{ return (val); }
__AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800)
__AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800)
__AARCH64_INSN_FUNCS(stp_post, 0x7FC00000, 0x28800000)
__AARCH64_INSN_FUNCS(ldp_post, 0x7FC00000, 0x28C00000)
__AARCH64_INSN_FUNCS(stp_pre, 0x7FC00000, 0x29800000)
__AARCH64_INSN_FUNCS(ldp_pre, 0x7FC00000, 0x29C00000)
__AARCH64_INSN_FUNCS(add_imm, 0x7F000000, 0x11000000)
__AARCH64_INSN_FUNCS(adds_imm, 0x7F000000, 0x31000000)
__AARCH64_INSN_FUNCS(sub_imm, 0x7F000000, 0x51000000)
__AARCH64_INSN_FUNCS(subs_imm, 0x7F000000, 0x71000000)
__AARCH64_INSN_FUNCS(movn, 0x7F800000, 0x12800000)
__AARCH64_INSN_FUNCS(sbfm, 0x7F800000, 0x13000000)
__AARCH64_INSN_FUNCS(bfm, 0x7F800000, 0x33000000)
__AARCH64_INSN_FUNCS(movz, 0x7F800000, 0x52800000)
__AARCH64_INSN_FUNCS(ubfm, 0x7F800000, 0x53000000)
__AARCH64_INSN_FUNCS(movk, 0x7F800000, 0x72800000)
__AARCH64_INSN_FUNCS(add, 0x7F200000, 0x0B000000)
__AARCH64_INSN_FUNCS(adds, 0x7F200000, 0x2B000000)
__AARCH64_INSN_FUNCS(sub, 0x7F200000, 0x4B000000)
__AARCH64_INSN_FUNCS(subs, 0x7F200000, 0x6B000000)
__AARCH64_INSN_FUNCS(madd, 0x7FE08000, 0x1B000000)
__AARCH64_INSN_FUNCS(msub, 0x7FE08000, 0x1B008000)
__AARCH64_INSN_FUNCS(udiv, 0x7FE0FC00, 0x1AC00800)
__AARCH64_INSN_FUNCS(sdiv, 0x7FE0FC00, 0x1AC00C00)
__AARCH64_INSN_FUNCS(lslv, 0x7FE0FC00, 0x1AC02000)
__AARCH64_INSN_FUNCS(lsrv, 0x7FE0FC00, 0x1AC02400)
__AARCH64_INSN_FUNCS(asrv, 0x7FE0FC00, 0x1AC02800)
__AARCH64_INSN_FUNCS(rorv, 0x7FE0FC00, 0x1AC02C00)
__AARCH64_INSN_FUNCS(rev16, 0x7FFFFC00, 0x5AC00400)
__AARCH64_INSN_FUNCS(rev32, 0x7FFFFC00, 0x5AC00800)
__AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00)
__AARCH64_INSN_FUNCS(and, 0x7F200000, 0x0A000000)
__AARCH64_INSN_FUNCS(bic, 0x7F200000, 0x0A200000)
__AARCH64_INSN_FUNCS(orr, 0x7F200000, 0x2A000000)
__AARCH64_INSN_FUNCS(orn, 0x7F200000, 0x2A200000)
__AARCH64_INSN_FUNCS(eor, 0x7F200000, 0x4A000000)
__AARCH64_INSN_FUNCS(eon, 0x7F200000, 0x4A200000)
__AARCH64_INSN_FUNCS(ands, 0x7F200000, 0x6A000000)
__AARCH64_INSN_FUNCS(bics, 0x7F200000, 0x6A200000)
__AARCH64_INSN_FUNCS(b, 0xFC000000, 0x14000000)
__AARCH64_INSN_FUNCS(bl, 0xFC000000, 0x94000000)
__AARCH64_INSN_FUNCS(cbz, 0xFE000000, 0x34000000)
__AARCH64_INSN_FUNCS(cbnz, 0xFE000000, 0x35000000)
__AARCH64_INSN_FUNCS(bcond, 0xFF000010, 0x54000000)
__AARCH64_INSN_FUNCS(svc, 0xFFE0001F, 0xD4000001)
__AARCH64_INSN_FUNCS(hvc, 0xFFE0001F, 0xD4000002)
__AARCH64_INSN_FUNCS(smc, 0xFFE0001F, 0xD4000003)
__AARCH64_INSN_FUNCS(brk, 0xFFE0001F, 0xD4200000)
__AARCH64_INSN_FUNCS(hint, 0xFFFFF01F, 0xD503201F)
__AARCH64_INSN_FUNCS(br, 0xFFFFFC1F, 0xD61F0000)
__AARCH64_INSN_FUNCS(blr, 0xFFFFFC1F, 0xD63F0000)
__AARCH64_INSN_FUNCS(ret, 0xFFFFFC1F, 0xD65F0000)
#undef __AARCH64_INSN_FUNCS
bool aarch64_insn_is_nop(u32 insn);
int aarch64_insn_read(void *addr, u32 *insnp);
int aarch64_insn_write(void *addr, u32 insn);
enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
u32 insn, u64 imm);
u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr,
enum aarch64_insn_register reg,
enum aarch64_insn_variant variant,
enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
enum aarch64_insn_condition cond);
u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
u32 aarch64_insn_gen_nop(void);
u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg,
enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg,
enum aarch64_insn_register base,
enum aarch64_insn_register offset,
enum aarch64_insn_size_type size,
enum aarch64_insn_ldst_type type);
u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1,
enum aarch64_insn_register reg2,
enum aarch64_insn_register base,
int offset,
enum aarch64_insn_variant variant,
enum aarch64_insn_ldst_type type);
u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
int imm, enum aarch64_insn_variant variant,
enum aarch64_insn_adsb_type type);
u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
int immr, int imms,
enum aarch64_insn_variant variant,
enum aarch64_insn_bitfield_type type);
u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst,
int imm, int shift,
enum aarch64_insn_variant variant,
enum aarch64_insn_movewide_type type);
u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_register reg,
int shift,
enum aarch64_insn_variant variant,
enum aarch64_insn_adsb_type type);
u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_variant variant,
enum aarch64_insn_data1_type type);
u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_register reg,
enum aarch64_insn_variant variant,
enum aarch64_insn_data2_type type);
u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_register reg1,
enum aarch64_insn_register reg2,
enum aarch64_insn_variant variant,
enum aarch64_insn_data3_type type);
u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_register reg,
int shift,
enum aarch64_insn_variant variant,
enum aarch64_insn_logic_type type);
bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn);
int aarch64_insn_patch_text_nosync(void *addr, u32 insn);
int aarch64_insn_patch_text_sync(void *addrs[], u32 insns[], int cnt);
int aarch64_insn_patch_text(void *addrs[], u32 insns[], int cnt);
bool aarch32_insn_is_wide(u32 insn);
#define A32_RN_OFFSET 16
#define A32_RT_OFFSET 12
#define A32_RT2_OFFSET 0
u32 aarch32_insn_extract_reg_num(u32 insn, int offset);
u32 aarch32_insn_mcr_extract_opc2(u32 insn);
u32 aarch32_insn_mcr_extract_crm(u32 insn);
#endif /* __ASSEMBLY__ */
#endif /* __ASM_INSN_H */