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Instruction Set Architecture » History » Revision 10

Revision 9 (Alexander Protsenko, 03/16/2023 02:10 PM) → Revision 10/17 (Alexander Protsenko, 03/16/2023 03:40 PM)

h1. Instruction Set Architecture 

 h2. Data processing - immediate 

 h3. Arithmetic (immediate) 

 ### ADD (immediate). Add. 
 Specification: add, add_32 
 ### SUB (immediate). Subtract. 
 Specification: sub, sub_32 
 ### ADDS (immediate). Add and set flags. 
 Specification: adds, adds_32 
 ### SUBS (immediate). Subtract and set flags. 
 Specification: subs, subs_32 
 ### CMP (immediate). Compare. 
 Specification: cmp, cmp_32 
 ### CMN (immediate). Compare negative. 
 Specification: cmn, cmn_32 

 h3. Logical (immediate) 

 ### AND (immediate). Bitwise AND 
 Specification: and_bitmask, and_bitmask_32 
 ### ANDS (immediate). Bitwise AND and set flags 
 Specification: ands_bitmask, ands_bitmask_32 
 ### EOR (immediate). Bitwise exclusive OR 
 Specification: eor_bitmask, eor_bitmask_32 
 ### ORR (immediate). Bitwise inclusive OR 
 Specification: orr_bitmask, orr_bitmask_32 
 ### TST (immediate). TST Test bits 
 Specification: tst_bitmask, tst_bitmask_32 

 h3. Move (wide immediate) 

 ### MOVZ. Move wide with zero 
 Specification: movz, movz_32 
 ### MOVN. Move wide with NOT 
 Specification: movn, movn_32 
 ### MOVK. Move wide with keep 
 Specification: movk, movk_32 

 h3. Move (immediate) 

 ### MOV (wide immediate). Move (wide immediate) 
 Specification: mov_wide_imm, mov_wide_imm_32 
 ### MOV (inverted wide immediate). Move (inverted wide immediate) 
 Specification: mov_inv_wide_imm, mov_inv_wide_imm_32 
 ### MOV (bitmask immediate). Move (bitmask immediate) 
 Specification: mov_bitmask, mov_bitmask_32 

 h3. PC-relative address calculation 

 ### ADRP. Compute address of 4KB page at a PC-relative offset 
 Specification: adrp 
 ### ADR. Compute address of label at a PC-relative offset. 
 Specification: adr 

 h3. Extract register 

 ### EXTR. Extract register from pair 
 Specification: extr, extr_32 

 h2. Data processing - register 

 h3. Arithmetic (shifted register) 

 ### ADD (shifted register). Add 
 Specification: add_sh_reg, add_sh_reg_32 
 ### ADDS (shifted register). Add and set flags 
 Specification: adds_sh_reg, adds_sh_reg_32 
 ### SUB (shifted register). Subtract 
 Specification: sub_sh_reg, sub_sh_reg_32 
 ### SUBS (shifted register). Subtract and set flags 
 Specification: subs_sh_reg, subs_sh_reg_32 
 ### CMN (shifted register). Compare negative 
 Specification: cmn_sh_reg, cmn_sh_reg_32 
 ### CMP (shifted register). Compare 
 Specification: cmp_sh_reg, cmp_sh_reg_32 

 h3. Arithmetic (extending register) 

 ### ADD (extended register). Add 
 Specification: add_ex_reg, add_ex_reg_32 
 ### ADDS (extended register). Add and set flags 
 Specification: adds_ex_reg, adds_ex_reg_32 
 ### SUB (extended register). Subtract 
 Specification: sub_ex_reg, sub_ex_reg_32 
 ### SUBS (extended register). Subtract and set flags 
 Specification: subs_ex_reg, subs_ex_reg_32 
 ### CMN (extended register). Compare negative 
 Specification: cmn_ex_reg, cmn_ex_reg_32 
 ### CMP (extended register). Compare 
 Specification: cmp_ex_reg, cmp_ex_reg_32 

 h3. Logical (shifted register) 

 ### AND (shifted register). Bitwise AND 
 Specification: and_bitwise, and_bitwise_32 
 ### ANDS (shifted register). Bitwise AND and set flags 
 Specification: ands_bitwise, ands_bitwise_32 
 ### BIC (shifted register). Bitwise bit clear 
 Specification: bic_bitwise, bic_bitwise_32 
 ### BICS (shifted register). Bitwise bit clear and set flags 
 Specification: bics_bitwise, bics_bitwise_32 
 ### EON (shifted register). Bitwise exclusive OR NOT 
 Specification: eon_bitwise, eon_bitwise_32 
 ### EOR (shifted register). Bitwise exclusive OR 
 Specification: eor_bitwise, eor_bitwise_32 
 ### ORR (shifted register). Bitwise inclusive OR 
 Specification: orr_bitwise, orr_bitwise_32 
 ### MVN. Bitwise NOT 
 Specification: mvn_bitwise, mvn_bitwise_32 
 ### ORN (shifted register). Bitwise inclusive OR NOT 
 Specification: orn_bitwise, orn_bitwise_32 
 ### TST (shifted register). Test bits 
 Specification: tst_bitwise, tst_bitwise_32 

 h3. Move (register) 

 ###    MOV (register). Move register 
 Specification: mov_reg, mov_reg_32 
 ### MOV (to/from SP). Move register to SP or move SP to register 
 Specification: mov_sp, mov_sp_32 

 h3. Multiply and divide 

 ###    MADD. Multiply-add 
 Specification: madd, madd_32 
 ###    MSUB. Multiply-subtract 
 Specification: msub, msub_32 
 ###    MNEG. Multiply-negate 
 Specification: mneg, mneg_32 
 ###    MUL. Multiply 
 Specification: mul, mul_32 
 ###    SMADDL. Signed multiply-add long 
 Specification: smaddl 
 ###    SMSUBL. Signed multiply-subtract long 
 Specification: smsubl 
 ###    SMNEGL. Signed multiply-negate long 
 Specification: smnegl 
 ###    SMULL. Signed multiply long 
 Specification: smull 
 ###    SMULH. Signed multiply high 
 Specification: smulh 
 ###    UMADDL. Unsigned multiply-add long 
 Specification: umaddl 
 ###    UMSUBL. Unsigned multiply-subtract long 
 Specification: umsubl 
 ###    UMNEGL. Unsigned multiply-negate long 
 Specification: umnegl 
 ###    UMULL. Unsigned multiply long 
 Specification: umull 
 ###    UMULH. Unsigned multiply high 
 Specification: umulh 

 h3. Divide 

 ###    SDIV. Signed divide 
 Specification: sdiv, sdiv_32 
 ###    UDIV. Unsigned divide 
 Specification: udiv, udiv_32 

 h2. Branches, Exception generating, and System instructions 

 h3. Conditional Branch 

 ###    B.cond. Branch conditionally 
 Specification: b 
 ### CBNZ. Compare and branch if nonzero 
 Specification: cbnz, cbnz_32 
 ### CBZ. Compare and branch if zero 
 Specification: cbz, cbz_32 
 ### TBNZ. Test bit and branch if nonzero 
 Specification: tbnz 
 ### TBZ. Test bit and branch if zero 
 Specification: tbz 

 h3. Unconditional branch (immediate) 

 ### B. Branch unconditionally 
 Specification: b_imm 
 ### BL. Branch with link 
 Specification: bl 

 h3. Unconditional branch (register) 

 ### BLR. Branch with link to register 
 Specification: blr 
 ### BR. Branch to register 
 Specification: br 
 ### RET. Return from subroutine 
 Specification: ret 

 h3. Exception generation and return 

 *Exception generating* 

 ### BRK. Breakpoint Instruction 
 Specification: brk 
 ### HLT. Halt Instruction HLT 
 Specification: hlt 
 ### HVC. Generate exception targeting Exception level 2 HVC 
 Specification: hvc 
 ### SMC. Generate exception targeting Exception level 3 SMC 
 Specification: smc 
 ### SVC. Generate exception targeting Exception level 1 
 Specification: svc 

 *Exception return* 

 ### ERET. Exception return using current ELR and SPSR 
 Specification: eret 

 *Debug state* 

 ### DCPS1. Debug switch to Exception level 1 DCPS1 
 Specification: dcps1 
 ### DCPS2. Debug switch to Exception level 2 DCPS2 
 Specification: dcps2 
 ### DCPS3. Debug switch to Exception level 3 DCPS3 
 Specification: dcps3 
 ### DRPS. Debug restore PE state 
 Specification: drps 

 h3. System register instructions 

 ### MRS. Move System register to general-purpose register MRS 
 Specification: msr 
 ### MSR. Move general-purpose register to System register MSR (register) 
 Specification: mrs 
 ### MSR. Move immediate to PE state field MSR (immediate) 
 Specification: msr_dc, msr_ds, msr_ss, msr_uao 

 h3. System instructions 

 ### SYS. System instruction 
 Specification: sys 
 ### SYSL. System instruction with result 
 Specification: sysl 
 ### IC. Instruction cache maintenance 
 Specification: ic, ic_reg 
 ### DC. Data cache maintenance 
 Specification: dc 
 ### AT. Address translation 
 Specification: at 
 ### TLBI. TLB Invalidate 
 Specification: tlbi, tlbi_reg 

 h3. Hint instructions 

 ### NOP. No operation 
 Specification: nop 
 ### YIELD. Yield hint 
 Specification: yield_op 
 ### WFE. Wait for event 
 Specification: wfe 
 ### WFI. Wait for interrupt 
 Specification: wfi 
 ### SEV. Send event 
 Specification: sev 
 ### SEVL. Send event local 
 Specification: sevl 
 ### HINT. Unallocated hint 
 Specification: hint 

 h3. Barriers and CLREX instructions 

 ### CLREX. Clear Exclusives monitor 
 Specification: clrex 
 ### DMB. Data memory barrier 
 Specification: dmb 
 ### DSB. Data synchronization barrier 
 Specification: dsb 
 ### ISB. Instruction synchronization barrier 
 Specification: isb 

 h2. Loads and stores 

 h3. Load/store register 

 [127]: ldr_postindex 
 [128]: str_postindex 
 [129]: ldxr 
 [130]: ldxr_32 
 [131]: ldxrb_32 
 [132]: ldxrh_32 
 [133]: ldxp 
 [134]: ldxp_32 
 [135]: stxr 
 [136]: stxr_32 
 [137]: stxrb_32 
 [138]: stxrh_32 
 [139]: stxp 
 [140]: stxp_32 
 [141]: ldar 
 [142]: ldar_32 
 [143]: ldarb 
 [144]: ldarh 
 [145]: stlr 
 [146]: stlr_32 
 [147]: stlrb 
 [148]: stlrh 
 [149]: ldaxr 
 [150]: ldaxr_32 
 [151]: ldaxrb_32 
 [152]: ldaxrh_32 
 [153]: ldaxp 
 [154]: ldaxp_32 
 [155]: stlxr 
 [156]: stlxr_32 
 [157]: stlxrb_32 
 [158]: stlxrh_32 
 [159]: stlxp 
 [160]: stlxp_32 

 h2. Pseudo instructions 

 psldr, 


 [200]: psldr 
 [201]: psldr32