/* * arm-codegen.h * Copyright (c) 2002-2003 Sergey Chaban * Copyright 2005-2011 Novell Inc * Copyright 2011 Xamarin Inc */ #ifndef ARM_H #define ARM_H #ifdef __cplusplus extern "C" { #endif typedef unsigned int arminstr_t; typedef unsigned int armword_t; /* Helper functions */ arminstr_t* arm_emit_std_prologue(arminstr_t* p, unsigned int local_size); arminstr_t* arm_emit_std_epilogue(arminstr_t* p, unsigned int local_size, int pop_regs); arminstr_t* arm_emit_lean_prologue(arminstr_t* p, unsigned int local_size, int push_regs); int arm_is_power_of_2(armword_t val); int calc_arm_mov_const_shift(armword_t val); int is_arm_const(armword_t val); int arm_bsf(armword_t val); arminstr_t* arm_mov_reg_imm32_cond(arminstr_t* p, int reg, armword_t imm32, int cond); arminstr_t* arm_mov_reg_imm32(arminstr_t* p, int reg, armword_t imm32); #if defined(_MSC_VER) || defined(__CC_NORCROFT) void __inline _arm_emit(arminstr_t** p, arminstr_t i) {**p = i; (*p)++;} # define ARM_EMIT(p, i) _arm_emit((arminstr_t**)&p, (arminstr_t)(i)) #else # define ARM_EMIT(p, i) do { arminstr_t *__ainstrp = (void*)(p); *__ainstrp = (arminstr_t)(i); (p) = (void*)(__ainstrp+1);} while (0) #endif #if defined(_MSC_VER) && !defined(ARM_NOIASM) # define ARM_IASM(_expr) __emit (_expr) #else # define ARM_IASM(_expr) #endif /* even_scale = rot << 1 */ #define ARM_SCALE(imm8, even_scale) ( ((imm8) >> (even_scale)) | ((imm8) << (32 - even_scale)) ) typedef enum { ARMREG_R0 = 0, ARMREG_R1, ARMREG_R2, ARMREG_R3, ARMREG_R4, ARMREG_R5, ARMREG_R6, ARMREG_R7, ARMREG_R8, ARMREG_R9, ARMREG_R10, ARMREG_R11, ARMREG_R12, ARMREG_R13, ARMREG_R14, ARMREG_R15, /* aliases */ /* args */ ARMREG_A1 = ARMREG_R0, ARMREG_A2 = ARMREG_R1, ARMREG_A3 = ARMREG_R2, ARMREG_A4 = ARMREG_R3, /* local vars */ ARMREG_V1 = ARMREG_R4, ARMREG_V2 = ARMREG_R5, ARMREG_V3 = ARMREG_R6, ARMREG_V4 = ARMREG_R7, ARMREG_V5 = ARMREG_R8, ARMREG_V6 = ARMREG_R9, ARMREG_V7 = ARMREG_R10, ARMREG_FP = ARMREG_R11, ARMREG_IP = ARMREG_R12, ARMREG_SP = ARMREG_R13, ARMREG_LR = ARMREG_R14, ARMREG_PC = ARMREG_R15, /* co-processor */ ARMREG_CR0 = 0, ARMREG_CR1, ARMREG_CR2, ARMREG_CR3, ARMREG_CR4, ARMREG_CR5, ARMREG_CR6, ARMREG_CR7, ARMREG_CR8, ARMREG_CR9, ARMREG_CR10, ARMREG_CR11, ARMREG_CR12, ARMREG_CR13, ARMREG_CR14, ARMREG_CR15, /* XScale: acc0 on CP0 */ ARMREG_ACC0 = ARMREG_CR0, ARMREG_MAX = ARMREG_R15 } ARMReg; /* number of argument registers */ #define ARM_NUM_ARG_REGS 4 /* bitvector for all argument regs (A1-A4) */ #define ARM_ALL_ARG_REGS \ (1 << ARMREG_A1) | (1 << ARMREG_A2) | (1 << ARMREG_A3) | (1 << ARMREG_A4) typedef enum { ARMCOND_EQ = 0x0, /* Equal; Z = 1 */ ARMCOND_NE = 0x1, /* Not equal, or unordered; Z = 0 */ ARMCOND_CS = 0x2, /* Carry set; C = 1 */ ARMCOND_HS = ARMCOND_CS, /* Unsigned higher or same; */ ARMCOND_CC = 0x3, /* Carry clear; C = 0 */ ARMCOND_LO = ARMCOND_CC, /* Unsigned lower */ ARMCOND_MI = 0x4, /* Negative; N = 1 */ ARMCOND_PL = 0x5, /* Positive or zero; N = 0 */ ARMCOND_VS = 0x6, /* Overflow; V = 1 */ ARMCOND_VC = 0x7, /* No overflow; V = 0 */ ARMCOND_HI = 0x8, /* Unsigned higher; C = 1 && Z = 0 */ ARMCOND_LS = 0x9, /* Unsigned lower or same; C = 0 || Z = 1 */ ARMCOND_GE = 0xA, /* Signed greater than or equal; N = V */ ARMCOND_LT = 0xB, /* Signed less than; N != V */ ARMCOND_GT = 0xC, /* Signed greater than; Z = 0 && N = V */ ARMCOND_LE = 0xD, /* Signed less than or equal; Z = 1 && N != V */ ARMCOND_AL = 0xE, /* Always */ ARMCOND_NV = 0xF, /* Never */ ARMCOND_SHIFT = 28 } ARMCond; #define ARMCOND_MASK (ARMCOND_NV << ARMCOND_SHIFT) #define ARM_DEF_COND(cond) (((cond) & 0xF) << ARMCOND_SHIFT) typedef enum { ARMSHIFT_LSL = 0, ARMSHIFT_LSR = 1, ARMSHIFT_ASR = 2, ARMSHIFT_ROR = 3, ARMSHIFT_ASL = ARMSHIFT_LSL /* rrx = (ror, 1) */ } ARMShiftType; typedef struct { armword_t PSR_c : 8; armword_t PSR_x : 8; armword_t PSR_s : 8; armword_t PSR_f : 8; } ARMPSR; typedef enum { ARMOP_AND = 0x0, ARMOP_EOR = 0x1, ARMOP_SUB = 0x2, ARMOP_RSB = 0x3, ARMOP_ADD = 0x4, ARMOP_ADC = 0x5, ARMOP_SBC = 0x6, ARMOP_RSC = 0x7, ARMOP_TST = 0x8, ARMOP_TEQ = 0x9, ARMOP_CMP = 0xa, ARMOP_CMN = 0xb, ARMOP_ORR = 0xc, ARMOP_MOV = 0xd, ARMOP_BIC = 0xe, ARMOP_MVN = 0xf, /* not really opcodes */ ARMOP_STR = 0x0, ARMOP_LDR = 0x1, /* ARM2+ */ ARMOP_MUL = 0x0, /* Rd := Rm*Rs */ ARMOP_MLA = 0x1, /* Rd := (Rm*Rs)+Rn */ /* ARM3M+ */ ARMOP_UMULL = 0x4, ARMOP_UMLAL = 0x5, ARMOP_SMULL = 0x6, ARMOP_SMLAL = 0x7, /* for data transfers with register offset */ ARM_UP = 1, ARM_DOWN = 0 } ARMOpcode; typedef enum { THUMBOP_AND = 0, THUMBOP_EOR = 1, THUMBOP_LSL = 2, THUMBOP_LSR = 3, THUMBOP_ASR = 4, THUMBOP_ADC = 5, THUMBOP_SBC = 6, THUMBOP_ROR = 7, THUMBOP_TST = 8, THUMBOP_NEG = 9, THUMBOP_CMP = 10, THUMBOP_CMN = 11, THUMBOP_ORR = 12, THUMBOP_MUL = 13, THUMBOP_BIC = 14, THUMBOP_MVN = 15, THUMBOP_MOV = 16, THUMBOP_CMPI = 17, THUMBOP_ADD = 18, THUMBOP_SUB = 19, THUMBOP_CMPH = 19, THUMBOP_MOVH = 20 } ThumbOpcode; /* Generic form - all ARM instructions are conditional. */ typedef struct { arminstr_t icode : 28; arminstr_t cond : 4; } ARMInstrGeneric; /* Branch or Branch with Link instructions. */ typedef struct { arminstr_t offset : 24; arminstr_t link : 1; arminstr_t tag : 3; /* 1 0 1 */ arminstr_t cond : 4; } ARMInstrBR; #define ARM_BR_ID 5 #define ARM_BR_MASK 7 << 25 #define ARM_BR_TAG ARM_BR_ID << 25 #define ARM_DEF_BR(offs, l, cond) ((offs) | ((l) << 24) | (ARM_BR_TAG) | (cond << ARMCOND_SHIFT)) /* branch */ #define ARM_B_COND(p, cond, offset) ARM_EMIT(p, ARM_DEF_BR(offset, 0, cond)) #define ARM_B(p, offs) ARM_B_COND((p), ARMCOND_AL, (offs)) /* branch with link */ #define ARM_BL_COND(p, cond, offset) ARM_EMIT(p, ARM_DEF_BR(offset, 1, cond)) #define ARM_BL(p, offs) ARM_BL_COND((p), ARMCOND_AL, (offs)) #define ARM_DEF_BX(reg,sub,cond) (0x12fff << 8 | (reg) | ((sub) << 4) | ((cond) << ARMCOND_SHIFT)) #define ARM_BX_COND(p, cond, reg) ARM_EMIT(p, ARM_DEF_BX(reg, 1, cond)) #define ARM_BX(p, reg) ARM_BX_COND((p), ARMCOND_AL, (reg)) #define ARM_BLX_REG_COND(p, cond, reg) ARM_EMIT(p, ARM_DEF_BX(reg, 3, cond)) #define ARM_BLX_REG(p, reg) ARM_BLX_REG_COND((p), ARMCOND_AL, (reg)) /* Data Processing Instructions - there are 3 types. */ typedef struct { arminstr_t imm : 8; arminstr_t rot : 4; } ARMDPI_op2_imm; typedef struct { arminstr_t rm : 4; arminstr_t tag : 1; /* 0 - immediate shift, 1 - reg shift */ arminstr_t type : 2; /* shift type - logical, arithmetic, rotate */ } ARMDPI_op2_reg_shift; /* op2 is reg shift by imm */ typedef union { ARMDPI_op2_reg_shift r2; struct { arminstr_t _dummy_r2 : 7; arminstr_t shift : 5; } imm; } ARMDPI_op2_reg_imm; /* op2 is reg shift by reg */ typedef union { ARMDPI_op2_reg_shift r2; struct { arminstr_t _dummy_r2 : 7; arminstr_t pad : 1; /* always 0, to differentiate from HXFER etc. */ arminstr_t rs : 4; } reg; } ARMDPI_op2_reg_reg; /* Data processing instrs */ typedef union { ARMDPI_op2_imm op2_imm; ARMDPI_op2_reg_shift op2_reg; ARMDPI_op2_reg_imm op2_reg_imm; ARMDPI_op2_reg_reg op2_reg_reg; struct { arminstr_t op2 : 12; /* raw operand 2 */ arminstr_t rd : 4; /* destination reg */ arminstr_t rn : 4; /* first operand reg */ arminstr_t s : 1; /* S-bit controls PSR update */ arminstr_t opcode : 4; /* arithmetic/logic operation */ arminstr_t type : 1; /* type of op2, 0 = register, 1 = immediate */ arminstr_t tag : 2; /* 0 0 */ arminstr_t cond : 4; } all; } ARMInstrDPI; #define ARM_DPI_ID 0 #define ARM_DPI_MASK 3 << 26 #define ARM_DPI_TAG ARM_DPI_ID << 26 #define ARM_DEF_DPI_IMM_COND(imm8, rot, rd, rn, s, op, cond) \ ((imm8) & 0xFF) | \ (((rot) & 0xF) << 8) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((s) << 20) | \ ((op) << 21) | \ (1 << 25) | \ (ARM_DPI_TAG) | \ ARM_DEF_COND(cond) #define ARM_DEF_DPI_IMM(imm8, rot, rd, rn, s, op) \ ARM_DEF_DPI_IMM_COND(imm8, rot, rd, rn, s, op, ARMCOND_AL) /* codegen */ #define ARM_DPIOP_REG_IMM8ROT_COND(p, op, rd, rn, imm8, rot, cond) \ ARM_EMIT(p, ARM_DEF_DPI_IMM_COND((imm8), ((rot) >> 1), (rd), (rn), 0, (op), cond)) #define ARM_DPIOP_S_REG_IMM8ROT_COND(p, op, rd, rn, imm8, rot, cond) \ ARM_EMIT(p, ARM_DEF_DPI_IMM_COND((imm8), ((rot) >> 1), (rd), (rn), 1, (op), cond)) /* inline */ #define ARM_IASM_DPIOP_REG_IMM8ROT_COND(p, op, rd, rn, imm8, rot, cond) \ ARM_IASM(ARM_DEF_DPI_IMM_COND((imm8), ((rot) >> 1), (rd), (rn), 0, (op), cond)) #define ARM_IASM_DPIOP_S_REG_IMM8ROT_COND(p, op, rd, rn, imm8, rot, cond) \ ARM_IASM(ARM_DEF_DPI_IMM_COND((imm8), ((rot) >> 1), (rd), (rn), 1, (op), cond)) #define ARM_DEF_DPI_REG_IMMSHIFT_COND(rm, shift_type, imm_shift, rd, rn, s, op, cond) \ (rm) | \ ((shift_type & 3) << 5) | \ (((imm_shift) & 0x1F) << 7) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((s) << 20) | \ ((op) << 21) | \ (ARM_DPI_TAG) | \ ARM_DEF_COND(cond) /* codegen */ #define ARM_DPIOP_REG_IMMSHIFT_COND(p, op, rd, rn, rm, shift_t, imm_shift, cond) \ ARM_EMIT(p, ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), shift_t, imm_shift, (rd), (rn), 0, (op), cond)) #define ARM_DPIOP_S_REG_IMMSHIFT_COND(p, op, rd, rn, rm, shift_t, imm_shift, cond) \ ARM_EMIT(p, ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), shift_t, imm_shift, (rd), (rn), 1, (op), cond)) #define ARM_DPIOP_REG_REG_COND(p, op, rd, rn, rm, cond) \ ARM_EMIT(p, ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), ARMSHIFT_LSL, 0, (rd), (rn), 0, (op), cond)) #define ARM_DPIOP_S_REG_REG_COND(p, op, rd, rn, rm, cond) \ ARM_EMIT(p, ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), ARMSHIFT_LSL, 0, (rd), (rn), 1, (op), cond)) /* inline */ #define ARM_IASM_DPIOP_REG_IMMSHIFT_COND(p, op, rd, rn, rm, shift_t, imm_shift, cond) \ ARM_IASM(ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), shift_t, imm_shift, (rd), (rn), 0, (op), cond)) #define ARM_IASM_DPIOP_S_REG_IMMSHIFT_COND(p, op, rd, rn, rm, shift_t, imm_shift, cond) \ ARM_IASM(ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), shift_t, imm_shift, (rd), (rn), 1, (op), cond)) #define ARM_IASM_DPIOP_REG_REG_COND(p, op, rd, rn, rm, cond) \ ARM_IASM(ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), ARMSHIFT_LSL, 0, (rd), (rn), 0, (op), cond)) #define ARM_IASM_DPIOP_S_REG_REG_COND(p, op, rd, rn, rm, cond) \ ARM_IASM_EMIT(ARM_DEF_DPI_REG_IMMSHIFT_COND((rm), ARMSHIFT_LSL, 0, (rd), (rn), 1, (op), cond)) /* Rd := Rn op (Rm shift_type Rs) */ #define ARM_DEF_DPI_REG_REGSHIFT_COND(rm, shift_type, rs, rd, rn, s, op, cond) \ (rm) | \ (1 << 4) | \ ((shift_type & 3) << 5) | \ ((rs) << 8) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((s) << 20) | \ ((op) << 21) | \ (ARM_DPI_TAG) | \ ARM_DEF_COND(cond) /* codegen */ #define ARM_DPIOP_REG_REGSHIFT_COND(p, op, rd, rn, rm, shift_t, rs, cond) \ ARM_EMIT(p, ARM_DEF_DPI_REG_REGSHIFT_COND((rm), shift_t, (rs), (rd), (rn), 0, (op), cond)) #define ARM_DPIOP_S_REG_REGSHIFT_COND(p, op, rd, rn, rm, shift_t, rs, cond) \ ARM_EMIT(p, ARM_DEF_DPI_REG_REGSHIFT_COND((rm), shift_t, (rs), (rd), (rn), 1, (op), cond)) /* inline */ #define ARM_IASM_DPIOP_REG_REGSHIFT_COND(p, op, rd, rn, rm, shift_t, rs, cond) \ ARM_IASM(ARM_DEF_DPI_REG_REGSHIFT_COND((rm), shift_t, (rs), (rd), (rn), 0, (op), cond)) #define ARM_IASM_DPIOP_S_REG_REGSHIFT_COND(p, op, rd, rn, rm, shift_t, rs, cond) \ ARM_IASM(ARM_DEF_DPI_REG_REGSHIFT_COND((rm), shift_t, (rs), (rd), (rn), 1, (op), cond)) /* Multiple register transfer. */ typedef struct { arminstr_t reg_list : 16; /* bitfield */ arminstr_t rn : 4; /* base reg */ arminstr_t ls : 1; /* load(1)/store(0) */ arminstr_t wb : 1; /* write-back "!" */ arminstr_t s : 1; /* restore PSR, force user bit */ arminstr_t u : 1; /* up/down */ arminstr_t p : 1; /* pre(1)/post(0) index */ arminstr_t tag : 3; /* 1 0 0 */ arminstr_t cond : 4; } ARMInstrMRT; #define ARM_MRT_ID 4 #define ARM_MRT_MASK 7 << 25 #define ARM_MRT_TAG ARM_MRT_ID << 25 #define ARM_DEF_MRT(regs, rn, l, w, s, u, p, cond) \ (regs) | \ (rn << 16) | \ (l << 20) | \ (w << 21) | \ (s << 22) | \ (u << 23) | \ (p << 24) | \ (ARM_MRT_TAG) | \ ARM_DEF_COND(cond) #define ARM_LDM(p, base, regs) ARM_EMIT(p, ARM_DEF_MRT(regs, base, 1, 0, 0, 1, 0, ARMCOND_AL)) #define ARM_STM(p, base, regs) ARM_EMIT(p, ARM_DEF_MRT(regs, base, 0, 0, 0, 1, 0, ARMCOND_AL)) /* stmdb sp!, {regs} */ #define ARM_PUSH(p, regs) ARM_EMIT(p, ARM_DEF_MRT(regs, ARMREG_SP, 0, 1, 0, 0, 1, ARMCOND_AL)) #define ARM_IASM_PUSH(regs) ARM_IASM(ARM_DEF_MRT(regs, ARMREG_SP, 0, 1, 0, 0, 1, ARMCOND_AL)) /* ldmia sp!, {regs} */ #define ARM_POP(p, regs) ARM_EMIT(p, ARM_DEF_MRT(regs, ARMREG_SP, 1, 1, 0, 1, 0, ARMCOND_AL)) #define ARM_IASM_POP(regs) ARM_IASM_EMIT(ARM_DEF_MRT(regs, ARMREG_SP, 1, 1, 0, 1, 0, ARMCOND_AL)) /* ldmia sp, {regs} ; (no write-back) */ #define ARM_POP_NWB(p, regs) ARM_EMIT(p, ARM_DEF_MRT(regs, ARMREG_SP, 1, 0, 0, 1, 0, ARMCOND_AL)) #define ARM_IASM_POP_NWB(regs) ARM_IASM_EMIT(ARM_DEF_MRT(regs, ARMREG_SP, 1, 0, 0, 1, 0, ARMCOND_AL)) #define ARM_PUSH1(p, r1) ARM_PUSH(p, (1 << r1)) #define ARM_PUSH2(p, r1, r2) ARM_PUSH(p, (1 << r1) | (1 << r2)) #define ARM_PUSH3(p, r1, r2, r3) ARM_PUSH(p, (1 << r1) | (1 << r2) | (1 << r3)) #define ARM_PUSH4(p, r1, r2, r3, r4) ARM_PUSH(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4)) #define ARM_PUSH5(p, r1, r2, r3, r4, r5) ARM_PUSH(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5)) #define ARM_PUSH6(p, r1, r2, r3, r4, r5, r6) ARM_PUSH(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5) | (1 << r6)) #define ARM_PUSH7(p, r1, r2, r3, r4, r5, r6, r7) ARM_PUSH(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5) | (1 << r6) | (1 << r7)) #define ARM_PUSH8(p, r1, r2, r3, r4, r5, r6, r7, r8) ARM_PUSH(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5) | (1 << r6) | (1 << r7) | (1 << r8)) #define ARM_POP8(p, r1, r2, r3, r4, r5, r6, r7, r8) ARM_POP(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5) | (1 << r6) | (1 << r7) | (1 << r8)) #define ARM_POP7(p, r1, r2, r3, r4, r5, r6, r7) ARM_POP(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5) | (1 << r6) | (1 << r7)) #define ARM_POP6(p, r1, r2, r3, r4, r5, r6) ARM_POP(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5) | (1 << r6)) #define ARM_POP5(p, r1, r2, r3, r4, r5) ARM_POP(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4) | (1 << r5)) #define ARM_POP4(p, r1, r2, r3, r4) ARM_POP(p, (1 << r1) | (1 << r2) | (1 << r3) | (1 << r4)) #define ARM_POP3(p, r1, r2, r3) ARM_POP(p, (1 << r1) | (1 << r2) | (1 << r3)) #define ARM_POP2(p, r1, r2) ARM_POP(p, (1 << r1) | (1 << r2)) #define ARM_POP1(p, r1) ARM_POP(p, (1 << r1)) /* Multiply instructions */ typedef struct { arminstr_t rm : 4; arminstr_t tag2 : 4; /* 9 */ arminstr_t rs : 4; arminstr_t rn : 4; arminstr_t rd : 4; arminstr_t s : 1; arminstr_t opcode : 3; arminstr_t tag : 4; arminstr_t cond : 4; } ARMInstrMul; #define ARM_MUL_ID 0 #define ARM_MUL_ID2 9 #define ARM_MUL_MASK ((0xF << 24) | (0xF << 4)) #define ARM_MUL_TAG ((ARM_MUL_ID << 24) | (ARM_MUL_ID2 << 4)) #define ARM_DEF_MUL_COND(op, rd, rm, rs, rn, s, cond) \ (rm) | \ ((rs) << 8) | \ ((rn) << 12) | \ ((rd) << 16) | \ ((s & 1) << 17) | \ ((op & 7) << 18) | \ ARM_MUL_TAG | \ ARM_DEF_COND(cond) /* Rd := (Rm * Rs)[31:0]; 32 x 32 -> 32 */ #define ARM_MUL_COND(p, rd, rm, rs, cond) \ ARM_EMIT(p, ARM_DEF_MUL_COND(ARMOP_MUL, rd, rm, rs, 0, 0, cond)) #define ARM_MUL(p, rd, rm, rs) \ ARM_MUL_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_MULS_COND(p, rd, rm, rs, cond) \ ARM_EMIT(p, ARM_DEF_MUL_COND(ARMOP_MUL, rd, rm, rs, 0, 1, cond)) #define ARM_MULS(p, rd, rm, rs) \ ARM_MULS_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_MUL_REG_REG(p, rd, rm, rs) ARM_MUL(p, rd, rm, rs) #define ARM_MULS_REG_REG(p, rd, rm, rs) ARM_MULS(p, rd, rm, rs) /* inline */ #define ARM_IASM_MUL_COND(rd, rm, rs, cond) \ ARM_IASM_EMIT(ARM_DEF_MUL_COND(ARMOP_MUL, rd, rm, rs, 0, 0, cond)) #define ARM_IASM_MUL(rd, rm, rs) \ ARM_IASM_MUL_COND(rd, rm, rs, ARMCOND_AL) #define ARM_IASM_MULS_COND(rd, rm, rs, cond) \ ARM_IASM_EMIT(ARM_DEF_MUL_COND(ARMOP_MUL, rd, rm, rs, 0, 1, cond)) #define ARM_IASM_MULS(rd, rm, rs) \ ARM_IASM_MULS_COND(rd, rm, rs, ARMCOND_AL) /* Rd := (Rm * Rs) + Rn; 32x32+32->32 */ #define ARM_MLA_COND(p, rd, rm, rs, rn, cond) \ ARM_EMIT(p, ARM_DEF_MUL_COND(ARMOP_MLA, rd, rm, rs, rn, 0, cond)) #define ARM_MLA(p, rd, rm, rs, rn) \ ARM_MLA_COND(p, rd, rm, rs, rn, ARMCOND_AL) #define ARM_MLAS_COND(p, rd, rm, rs, rn, cond) \ ARM_EMIT(p, ARM_DEF_MUL_COND(ARMOP_MLA, rd, rm, rs, rn, 1, cond)) #define ARM_MLAS(p, rd, rm, rs, rn) \ ARM_MLAS_COND(p, rd, rm, rs, rn, ARMCOND_AL) /* inline */ #define ARM_IASM_MLA_COND(rd, rm, rs, rn, cond) \ ARM_IASM_EMIT(ARM_DEF_MUL_COND(ARMOP_MLA, rd, rm, rs, rn, 0, cond)) #define ARM_IASM_MLA(rd, rm, rs, rn) \ ARM_IASM_MLA_COND(rd, rm, rs, rn, ARMCOND_AL) #define ARM_IASM_MLAS_COND(rd, rm, rs, rn, cond) \ ARM_IASM_EMIT(ARM_DEF_MUL_COND(ARMOP_MLA, rd, rm, rs, rn, 1, cond)) #define ARM_IASM_MLAS(rd, rm, rs, rn) \ ARM_IASM_MLAS_COND(rd, rm, rs, rn, ARMCOND_AL) /* Word/byte transfer */ typedef union { ARMDPI_op2_reg_imm op2_reg_imm; struct { arminstr_t op2_imm : 12; arminstr_t rd : 4; arminstr_t rn : 4; arminstr_t ls : 1; arminstr_t wb : 1; arminstr_t b : 1; arminstr_t u : 1; /* down(0) / up(1) */ arminstr_t p : 1; /* post-index(0) / pre-index(1) */ arminstr_t type : 1; /* imm(0) / register(1) */ arminstr_t tag : 2; /* 0 1 */ arminstr_t cond : 4; } all; } ARMInstrWXfer; #define ARM_WXFER_ID 1 #define ARM_WXFER_MASK 3 << 26 #define ARM_WXFER_TAG ARM_WXFER_ID << 26 #define ARM_DEF_WXFER_IMM(imm12, rd, rn, ls, wb, b, p, cond) \ ((((int)imm12) < 0) ? -(int)(imm12) : (imm12)) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((ls) << 20) | \ ((wb) << 21) | \ ((b) << 22) | \ (((int)(imm12) >= 0) << 23) | \ ((p) << 24) | \ ARM_WXFER_TAG | \ ARM_DEF_COND(cond) #define ARM_WXFER_MAX_OFFS 0xFFF /* this macro checks for imm12 bounds */ #define ARM_EMIT_WXFER_IMM(ptr, imm12, rd, rn, ls, wb, b, p, cond) \ do { \ int _imm12 = (int)(imm12) < -ARM_WXFER_MAX_OFFS \ ? -ARM_WXFER_MAX_OFFS \ : (int)(imm12) > ARM_WXFER_MAX_OFFS \ ? ARM_WXFER_MAX_OFFS \ : (int)(imm12); \ ARM_EMIT((ptr), \ ARM_DEF_WXFER_IMM(_imm12, (rd), (rn), (ls), (wb), (b), (p), (cond))); \ } while (0) /* LDRx */ /* immediate offset, post-index */ #define ARM_LDR_IMM_POST_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_LDR, 0, 0, 0, cond)) #define ARM_LDR_IMM_POST(p, rd, rn, imm) ARM_LDR_IMM_POST_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_LDRB_IMM_POST_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_LDR, 0, 1, 0, cond)) #define ARM_LDRB_IMM_POST(p, rd, rn, imm) ARM_LDRB_IMM_POST_COND(p, rd, rn, imm, ARMCOND_AL) /* immediate offset, pre-index */ #define ARM_LDR_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_LDR, 0, 0, 1, cond)) #define ARM_LDR_IMM(p, rd, rn, imm) ARM_LDR_IMM_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_LDRB_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_LDR, 0, 1, 1, cond)) #define ARM_LDRB_IMM(p, rd, rn, imm) ARM_LDRB_IMM_COND(p, rd, rn, imm, ARMCOND_AL) /* STRx */ /* immediate offset, post-index */ #define ARM_STR_IMM_POST_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_STR, 0, 0, 0, cond)) #define ARM_STR_IMM_POST(p, rd, rn, imm) ARM_STR_IMM_POST_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_STRB_IMM_POST_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_STR, 0, 1, 0, cond)) #define ARM_STRB_IMM_POST(p, rd, rn, imm) ARM_STRB_IMM_POST_COND(p, rd, rn, imm, ARMCOND_AL) /* immediate offset, pre-index */ #define ARM_STR_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT_WXFER_IMM(p, imm, rd, rn, ARMOP_STR, 0, 0, 1, cond) /* ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_STR, 0, 0, 1, cond)) */ #define ARM_STR_IMM(p, rd, rn, imm) ARM_STR_IMM_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_STRB_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_IMM(imm, rd, rn, ARMOP_STR, 0, 1, 1, cond)) #define ARM_STRB_IMM(p, rd, rn, imm) ARM_STRB_IMM_COND(p, rd, rn, imm, ARMCOND_AL) /* write-back */ #define ARM_STR_IMM_WB_COND(p, rd, rn, imm, cond) \ ARM_EMIT_WXFER_IMM(p, imm, rd, rn, ARMOP_STR, 1, 0, 1, cond) #define ARM_STR_IMM_WB(p, rd, rn, imm) ARM_STR_IMM_WB_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_DEF_WXFER_REG_REG_UPDOWN_COND(rm, shift_type, shift, rd, rn, ls, wb, b, u, p, cond) \ (rm) | \ ((shift_type) << 5) | \ ((shift) << 7) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((ls) << 20) | \ ((wb) << 21) | \ ((b) << 22) | \ ((u) << 23) | \ ((p) << 24) | \ (1 << 25) | \ ARM_WXFER_TAG | \ ARM_DEF_COND(cond) #define ARM_DEF_WXFER_REG_REG_COND(rm, shift_type, shift, rd, rn, ls, wb, b, p, cond) \ ARM_DEF_WXFER_REG_REG_UPDOWN_COND(rm, shift_type, shift, rd, rn, ls, wb, b, ARM_UP, p, cond) #define ARM_DEF_WXFER_REG_MINUS_REG_COND(rm, shift_type, shift, rd, rn, ls, wb, b, p, cond) \ ARM_DEF_WXFER_REG_REG_UPDOWN_COND(rm, shift_type, shift, rd, rn, ls, wb, b, ARM_DOWN, p, cond) #define ARM_LDR_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_REG_REG_COND(rm, shift_type, shift, rd, rn, ARMOP_LDR, 0, 0, 1, cond)) #define ARM_LDR_REG_REG_SHIFT(p, rd, rn, rm, shift_type, shift) \ ARM_LDR_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, ARMCOND_AL) #define ARM_LDR_REG_REG(p, rd, rn, rm) \ ARM_LDR_REG_REG_SHIFT(p, rd, rn, rm, ARMSHIFT_LSL, 0) #define ARM_LDRB_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_REG_REG_COND(rm, shift_type, shift, rd, rn, ARMOP_LDR, 0, 1, 1, cond)) #define ARM_LDRB_REG_REG_SHIFT(p, rd, rn, rm, shift_type, shift) \ ARM_LDRB_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, ARMCOND_AL) #define ARM_LDRB_REG_REG(p, rd, rn, rm) \ ARM_LDRB_REG_REG_SHIFT(p, rd, rn, rm, ARMSHIFT_LSL, 0) #define ARM_STR_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_REG_REG_COND(rm, shift_type, shift, rd, rn, ARMOP_STR, 0, 0, 1, cond)) #define ARM_STR_REG_REG_SHIFT(p, rd, rn, rm, shift_type, shift) \ ARM_STR_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, ARMCOND_AL) #define ARM_STR_REG_REG(p, rd, rn, rm) \ ARM_STR_REG_REG_SHIFT(p, rd, rn, rm, ARMSHIFT_LSL, 0) /* zero-extend */ #define ARM_STRB_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, cond) \ ARM_EMIT(p, ARM_DEF_WXFER_REG_REG_COND(rm, shift_type, shift, rd, rn, ARMOP_STR, 0, 1, 1, cond)) #define ARM_STRB_REG_REG_SHIFT(p, rd, rn, rm, shift_type, shift) \ ARM_STRB_REG_REG_SHIFT_COND(p, rd, rn, rm, shift_type, shift, ARMCOND_AL) #define ARM_STRB_REG_REG(p, rd, rn, rm) \ ARM_STRB_REG_REG_SHIFT(p, rd, rn, rm, ARMSHIFT_LSL, 0) /* ARMv4+ */ /* Half-word or byte (signed) transfer. */ typedef struct { arminstr_t rm : 4; /* imm_lo */ arminstr_t tag3 : 1; /* 1 */ arminstr_t h : 1; /* half-word or byte */ arminstr_t s : 1; /* sign-extend or zero-extend */ arminstr_t tag2 : 1; /* 1 */ arminstr_t imm_hi : 4; arminstr_t rd : 4; arminstr_t rn : 4; arminstr_t ls : 1; arminstr_t wb : 1; arminstr_t type : 1; /* imm(1) / reg(0) */ arminstr_t u : 1; /* +- */ arminstr_t p : 1; /* pre/post-index */ arminstr_t tag : 3; arminstr_t cond : 4; } ARMInstrHXfer; #define ARM_HXFER_ID 0 #define ARM_HXFER_ID2 1 #define ARM_HXFER_ID3 1 #define ARM_HXFER_MASK ((0x7 << 25) | (0x9 << 4)) #define ARM_HXFER_TAG ((ARM_HXFER_ID << 25) | (ARM_HXFER_ID2 << 7) | (ARM_HXFER_ID3 << 4)) #define ARM_DEF_HXFER_IMM_COND(imm, h, s, rd, rn, ls, wb, p, cond) \ ((imm) < 0?(-(imm)) & 0xF:(imm) & 0xF) | \ ((h) << 5) | \ ((s) << 6) | \ ((imm) < 0?((-(imm)) << 4) & 0xF00:((imm) << 4) & 0xF00) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((ls) << 20) | \ ((wb) << 21) | \ (1 << 22) | \ (((int)(imm) >= 0) << 23) | \ ((p) << 24) | \ ARM_HXFER_TAG | \ ARM_DEF_COND(cond) #define ARM_LDRH_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_IMM_COND(imm, 1, 0, rd, rn, ARMOP_LDR, 0, 1, cond)) #define ARM_LDRH_IMM(p, rd, rn, imm) \ ARM_LDRH_IMM_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_LDRSH_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_IMM_COND(imm, 1, 1, rd, rn, ARMOP_LDR, 0, 1, cond)) #define ARM_LDRSH_IMM(p, rd, rn, imm) \ ARM_LDRSH_IMM_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_LDRSB_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_IMM_COND(imm, 0, 1, rd, rn, ARMOP_LDR, 0, 1, cond)) #define ARM_LDRSB_IMM(p, rd, rn, imm) \ ARM_LDRSB_IMM_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_STRH_IMM_COND(p, rd, rn, imm, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_IMM_COND(imm, 1, 0, rd, rn, ARMOP_STR, 0, 1, cond)) #define ARM_STRH_IMM(p, rd, rn, imm) \ ARM_STRH_IMM_COND(p, rd, rn, imm, ARMCOND_AL) #define ARM_DEF_HXFER_REG_REG_UPDOWN_COND(rm, h, s, rd, rn, ls, wb, u, p, cond) \ ((rm) & 0xF) | \ ((h) << 5) | \ ((s) << 6) | \ ((rd) << 12) | \ ((rn) << 16) | \ ((ls) << 20) | \ ((wb) << 21) | \ (0 << 22) | \ ((u) << 23) | \ ((p) << 24) | \ ARM_HXFER_TAG | \ ARM_DEF_COND(cond) #define ARM_DEF_HXFER_REG_REG_COND(rm, h, s, rd, rn, ls, wb, p, cond) \ ARM_DEF_HXFER_REG_REG_UPDOWN_COND(rm, h, s, rd, rn, ls, wb, ARM_UP, p, cond) #define ARM_DEF_HXFER_REG_MINUS_REG_COND(rm, h, s, rd, rn, ls, wb, p, cond) \ ARM_DEF_HXFER_REG_REG_UPDOWN_COND(rm, h, s, rd, rn, ls, wb, ARM_DOWN, p, cond) #define ARM_LDRH_REG_REG_COND(p, rd, rm, rn, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_REG_REG_COND(rm, 1, 0, rd, rn, ARMOP_LDR, 0, 1, cond)) #define ARM_LDRH_REG_REG(p, rd, rm, rn) \ ARM_LDRH_REG_REG_COND(p, rd, rm, rn, ARMCOND_AL) #define ARM_LDRSH_REG_REG_COND(p, rd, rm, rn, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_REG_REG_COND(rm, 1, 1, rd, rn, ARMOP_LDR, 0, 1, cond)) #define ARM_LDRSH_REG_REG(p, rd, rm, rn) \ ARM_LDRSH_REG_REG_COND(p, rd, rm, rn, ARMCOND_AL) #define ARM_LDRSB_REG_REG_COND(p, rd, rm, rn, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_REG_REG_COND(rm, 0, 1, rd, rn, ARMOP_LDR, 0, 1, cond)) #define ARM_LDRSB_REG_REG(p, rd, rm, rn) ARM_LDRSB_REG_REG_COND(p, rd, rm, rn, ARMCOND_AL) #define ARM_STRH_REG_REG_COND(p, rd, rm, rn, cond) \ ARM_EMIT(p, ARM_DEF_HXFER_REG_REG_COND(rm, 1, 0, rd, rn, ARMOP_STR, 0, 1, cond)) #define ARM_STRH_REG_REG(p, rd, rm, rn) \ ARM_STRH_REG_REG_COND(p, rd, rm, rn, ARMCOND_AL) /* Swap */ typedef struct { arminstr_t rm : 4; arminstr_t tag3 : 8; /* 0x9 */ arminstr_t rd : 4; arminstr_t rn : 4; arminstr_t tag2 : 2; arminstr_t b : 1; arminstr_t tag : 5; /* 0x2 */ arminstr_t cond : 4; } ARMInstrSwap; #define ARM_SWP_ID 2 #define ARM_SWP_ID2 9 #define ARM_SWP_MASK ((0x1F << 23) | (3 << 20) | (0xFF << 4)) #define ARM_SWP_TAG ((ARM_SWP_ID << 23) | (ARM_SWP_ID2 << 4)) /* Software interrupt */ typedef struct { arminstr_t num : 24; arminstr_t tag : 4; arminstr_t cond : 4; } ARMInstrSWI; #define ARM_SWI_ID 0xF #define ARM_SWI_MASK (0xF << 24) #define ARM_SWI_TAG (ARM_SWI_ID << 24) /* Co-processor Data Processing */ typedef struct { arminstr_t crm : 4; arminstr_t tag2 : 1; /* 0 */ arminstr_t op2 : 3; arminstr_t cpn : 4; /* CP number */ arminstr_t crd : 4; arminstr_t crn : 4; arminstr_t op : 4; arminstr_t tag : 4; /* 0xE */ arminstr_t cond : 4; } ARMInstrCDP; #define ARM_CDP_ID 0xE #define ARM_CDP_ID2 0 #define ARM_CDP_MASK ((0xF << 24) | (1 << 4)) #define ARM_CDP_TAG ((ARM_CDP_ID << 24) | (ARM_CDP_ID2 << 4)) /* Co-processor Data Transfer (ldc/stc) */ typedef struct { arminstr_t offs : 8; arminstr_t cpn : 4; arminstr_t crd : 4; arminstr_t rn : 4; arminstr_t ls : 1; arminstr_t wb : 1; arminstr_t n : 1; arminstr_t u : 1; arminstr_t p : 1; arminstr_t tag : 3; arminstr_t cond : 4; } ARMInstrCDT; #define ARM_CDT_ID 6 #define ARM_CDT_MASK (7 << 25) #define ARM_CDT_TAG (ARM_CDT_ID << 25) /* Co-processor Register Transfer (mcr/mrc) */ typedef struct { arminstr_t crm : 4; arminstr_t tag2 : 1; arminstr_t op2 : 3; arminstr_t cpn : 4; arminstr_t rd : 4; arminstr_t crn : 4; arminstr_t ls : 1; arminstr_t op1 : 3; arminstr_t tag : 4; arminstr_t cond : 4; } ARMInstrCRT; #define ARM_CRT_ID 0xE #define ARM_CRT_ID2 0x1 #define ARM_CRT_MASK ((0xF << 24) | (1 << 4)) #define ARM_CRT_TAG ((ARM_CRT_ID << 24) | (ARM_CRT_ID2 << 4)) /* Move register to PSR. */ typedef union { ARMDPI_op2_imm op2_imm; struct { arminstr_t rm : 4; arminstr_t pad : 8; /* 0 */ arminstr_t tag4 : 4; /* 0xF */ arminstr_t fld : 4; arminstr_t tag3 : 2; /* 0x2 */ arminstr_t sel : 1; arminstr_t tag2 : 2; /* 0x2 */ arminstr_t type : 1; arminstr_t tag : 2; /* 0 */ arminstr_t cond : 4; } all; } ARMInstrMSR; #define ARM_MSR_ID 0 #define ARM_MSR_ID2 2 #define ARM_MSR_ID3 2 #define ARM_MSR_ID4 0xF #define ARM_MSR_MASK ((3 << 26) | \ (3 << 23) | \ (3 << 20) | \ (0xF << 12)) #define ARM_MSR_TAG ((ARM_MSR_ID << 26) | \ (ARM_MSR_ID2 << 23) | \ (ARM_MSR_ID3 << 20) | \ (ARM_MSR_ID4 << 12)) /* Move PSR to register. */ typedef struct { arminstr_t tag3 : 12; arminstr_t rd : 4; arminstr_t tag2 : 6; arminstr_t sel : 1; /* CPSR | SPSR */ arminstr_t tag : 5; arminstr_t cond : 4; } ARMInstrMRS; #define ARM_MRS_ID 2 #define ARM_MRS_ID2 0xF #define ARM_MRS_ID3 0 #define ARM_MRS_MASK ((0x1F << 23) | (0x3F << 16) | 0xFFF) #define ARM_MRS_TAG ((ARM_MRS_ID << 23) | (ARM_MRS_ID2 << 16) | ARM_MRS_ID3) #include "mono/arch/arm/arm_dpimacros.h" #define ARM_NOP(p) ARM_MOV_REG_REG(p, ARMREG_R0, ARMREG_R0) #define ARM_SHL_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOV_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_LSL, imm, cond) #define ARM_SHL_IMM(p, rd, rm, imm) \ ARM_SHL_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_SHLS_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOVS_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_LSL, imm, cond) #define ARM_SHLS_IMM(p, rd, rm, imm) \ ARM_SHLS_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_SHR_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOV_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_LSR, imm, cond) #define ARM_SHR_IMM(p, rd, rm, imm) \ ARM_SHR_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_SHRS_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOVS_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_LSR, imm, cond) #define ARM_SHRS_IMM(p, rd, rm, imm) \ ARM_SHRS_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_SAR_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOV_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_ASR, imm, cond) #define ARM_SAR_IMM(p, rd, rm, imm) \ ARM_SAR_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_SARS_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOVS_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_ASR, imm, cond) #define ARM_SARS_IMM(p, rd, rm, imm) \ ARM_SARS_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_ROR_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOV_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_ROR, imm, cond) #define ARM_ROR_IMM(p, rd, rm, imm) \ ARM_ROR_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_RORS_IMM_COND(p, rd, rm, imm, cond) \ ARM_MOVS_REG_IMMSHIFT_COND(p, rd, rm, ARMSHIFT_ROR, imm, cond) #define ARM_RORS_IMM(p, rd, rm, imm) \ ARM_RORS_IMM_COND(p, rd, rm, imm, ARMCOND_AL) #define ARM_SHL_REG_COND(p, rd, rm, rs, cond) \ ARM_MOV_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_LSL, rs, cond) #define ARM_SHL_REG(p, rd, rm, rs) \ ARM_SHL_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_SHLS_REG_COND(p, rd, rm, rs, cond) \ ARM_MOVS_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_LSL, rs, cond) #define ARM_SHLS_REG(p, rd, rm, rs) \ ARM_SHLS_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_SHLS_REG_REG(p, rd, rm, rs) ARM_SHLS_REG(p, rd, rm, rs) #define ARM_SHR_REG_COND(p, rd, rm, rs, cond) \ ARM_MOV_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_LSR, rs, cond) #define ARM_SHR_REG(p, rd, rm, rs) \ ARM_SHR_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_SHRS_REG_COND(p, rd, rm, rs, cond) \ ARM_MOVS_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_LSR, rs, cond) #define ARM_SHRS_REG(p, rd, rm, rs) \ ARM_SHRS_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_SHRS_REG_REG(p, rd, rm, rs) ARM_SHRS_REG(p, rd, rm, rs) #define ARM_SAR_REG_COND(p, rd, rm, rs, cond) \ ARM_MOV_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_ASR, rs, cond) #define ARM_SAR_REG(p, rd, rm, rs) \ ARM_SAR_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_SARS_REG_COND(p, rd, rm, rs, cond) \ ARM_MOVS_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_ASR, rs, cond) #define ARM_SARS_REG(p, rd, rm, rs) \ ARM_SARS_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_SARS_REG_REG(p, rd, rm, rs) ARM_SARS_REG(p, rd, rm, rs) #define ARM_ROR_REG_COND(p, rd, rm, rs, cond) \ ARM_MOV_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_ROR, rs, cond) #define ARM_ROR_REG(p, rd, rm, rs) \ ARM_ROR_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_RORS_REG_COND(p, rd, rm, rs, cond) \ ARM_MOVS_REG_REGSHIFT_COND(p, rd, rm, ARMSHIFT_ROR, rs, cond) #define ARM_RORS_REG(p, rd, rm, rs) \ ARM_RORS_REG_COND(p, rd, rm, rs, ARMCOND_AL) #define ARM_RORS_REG_REG(p, rd, rm, rs) ARM_RORS_REG(p, rd, rm, rs) #ifdef __native_client_codegen__ #define ARM_DBRK(p) ARM_EMIT(p, 0xE7FEDEF0) #else #define ARM_DBRK(p) ARM_EMIT(p, 0xE6000010) #endif #define ARM_IASM_DBRK() ARM_IASM_EMIT(0xE6000010) #define ARM_INC(p, reg) ARM_ADD_REG_IMM8(p, reg, reg, 1) #define ARM_DEC(p, reg) ARM_SUB_REG_IMM8(p, reg, reg, 1) #define ARM_MLS(p, rd, rn, rm, ra) ARM_EMIT((p), (ARMCOND_AL << 28) | (0x6 << 20) | ((rd) << 16) | ((ra) << 12) | ((rm) << 8) | (0x9 << 4) | ((rn) << 0)) /* ARM V5 */ /* Count leading zeros, CLZ{cond} Rd, Rm */ typedef struct { arminstr_t rm : 4; arminstr_t tag2 : 8; arminstr_t rd : 4; arminstr_t tag : 12; arminstr_t cond : 4; } ARMInstrCLZ; #define ARM_CLZ_ID 0x16F #define ARM_CLZ_ID2 0xF1 #define ARM_CLZ_MASK ((0xFFF << 16) | (0xFF < 4)) #define ARM_CLZ_TAG ((ARM_CLZ_ID << 16) | (ARM_CLZ_ID2 << 4)) typedef union { ARMInstrBR br; ARMInstrDPI dpi; ARMInstrMRT mrt; ARMInstrMul mul; ARMInstrWXfer wxfer; ARMInstrHXfer hxfer; ARMInstrSwap swp; ARMInstrCDP cdp; ARMInstrCDT cdt; ARMInstrCRT crt; ARMInstrSWI swi; ARMInstrMSR msr; ARMInstrMRS mrs; ARMInstrCLZ clz; ARMInstrGeneric generic; arminstr_t raw; } ARMInstr; /* ARMv6t2 */ #define ARM_MOVW_REG_IMM_COND(p, rd, imm16, cond) ARM_EMIT(p, (((cond) << 28) | (3 << 24) | (0 << 20) | ((((guint32)(imm16)) >> 12) << 16) | ((rd) << 12) | (((guint32)(imm16)) & 0xfff))) #define ARM_MOVW_REG_IMM(p, rd, imm16) ARM_MOVW_REG_IMM_COND ((p), (rd), (imm16), ARMCOND_AL) #define ARM_MOVT_REG_IMM_COND(p, rd, imm16, cond) ARM_EMIT(p, (((cond) << 28) | (3 << 24) | (4 << 20) | ((((guint32)(imm16)) >> 12) << 16) | ((rd) << 12) | (((guint32)(imm16)) & 0xfff))) #define ARM_MOVT_REG_IMM(p, rd, imm16) ARM_MOVT_REG_IMM_COND ((p), (rd), (imm16), ARMCOND_AL) /* MCR */ #define ARM_DEF_MCR_COND(coproc, opc1, rt, crn, crm, opc2, cond) \ ARM_DEF_COND ((cond)) | ((0xe << 24) | (((opc1) & 0x7) << 21) | (0 << 20) | (((crn) & 0xf) << 16) | (((rt) & 0xf) << 12) | (((coproc) & 0xf) << 8) | (((opc2) & 0x7) << 5) | (1 << 4) | (((crm) & 0xf) << 0)) #define ARM_MCR_COND(p, coproc, opc1, rt, crn, crm, opc2, cond) \ ARM_EMIT(p, ARM_DEF_MCR_COND ((coproc), (opc1), (rt), (crn), (crm), (opc2), (cond))) #define ARM_MCR(p, coproc, opc1, rt, crn, crm, opc2) \ ARM_MCR_COND ((p), (coproc), (opc1), (rt), (crn), (crm), (opc2), ARMCOND_AL) /* ARMv7VE */ #define ARM_SDIV_COND(p, rd, rn, rm, cond) ARM_EMIT (p, (((cond) << 28) | (0xe << 23) | (0x1 << 20) | ((rd) << 16) | (0xf << 12) | ((rm) << 8) | (0x0 << 5) | (0x1 << 4) | ((rn) << 0))) #define ARM_SDIV(p, rd, rn, rm) ARM_SDIV_COND ((p), (rd), (rn), (rm), ARMCOND_AL) #define ARM_UDIV_COND(p, rd, rn, rm, cond) ARM_EMIT (p, (((cond) << 28) | (0xe << 23) | (0x3 << 20) | ((rd) << 16) | (0xf << 12) | ((rm) << 8) | (0x0 << 5) | (0x1 << 4) | ((rn) << 0))) #define ARM_UDIV(p, rd, rn, rm) ARM_UDIV_COND ((p), (rd), (rn), (rm), ARMCOND_AL) /* ARMv7 */ typedef enum { ARM_DMB_SY = 0xf, } ArmDmbFlags; #define ARM_DMB(p, option) ARM_EMIT ((p), ((0xf << 28) | (0x57 << 20) | (0xf << 16) | (0xf << 12) | (0x0 << 8) | (0x5 << 4) | ((option) << 0))) #define ARM_LDREX_REG(p, rt, rn) ARM_EMIT ((p), ((ARMCOND_AL << 28) | (0xc << 21) | (0x1 << 20) | ((rn) << 16) | ((rt) << 12)) | (0xf << 8) | (0x9 << 4) | 0xf << 0) #define ARM_STREX_REG(p, rd, rt, rn) ARM_EMIT ((p), ((ARMCOND_AL << 28) | (0xc << 21) | (0x0 << 20) | ((rn) << 16) | ((rd) << 12)) | (0xf << 8) | (0x9 << 4) | ((rt) << 0)) #ifdef __cplusplus } #endif #endif /* ARM_H */