EBC Complier Presentation - UEFI

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Program Flow Instructions• JMP64 [cs|cc[cs|cc] ] Imm64• JMP32 [cs|cc[cs|cc], [@]R1 [Imm32]• JMP8 [cs|cc[cs|cc] ] Imm818
Program Flow Instructions• JMPByteDescription0BitDescription7 1=Immediate data present6 0=32 bit immediate data 1 = 64 bit immediate data0..5 Opcode 11BitDescription7 0= unconditional 1= conditional6 0= CC 1=CS5 Reserved4 0= Absolute address 1= Relative address3 0 = Operand1 direct 1= Operand1 indirect0..2 Operand12..5 Optional 32 bit immediate data2..7 Optional 64 bit immediate data19
Page 4 and 5: Source Language• Run on various p
Page 6 and 7: Language Examples(1)main(){int *xp,
Page 8 and 9: Virtual Machine• Registers• Ins
Page 10 and 11: Registers cont.• General purpose
Page 12 and 13: Operand Register Encoding• [@]RnB
Page 14 and 15: Instruction Set• Program Flow•
Page 16 and 17: Program Flow Instructions• Break
Page 20 and 21: Program Flow Instructions• JMP8By
Page 22 and 23: Program Flow Instructions• CALLBy
Page 24 and 25: CompareOpcodecc5/45 eq6/46 lte7/47
Page 26 and 27: Compare• CMPI[32|64]cc R1,[Imm16|
Page 28 and 29: Data ManipulationOpcodeDescription2
Page 30 and 31: Data Movement• MOV[s][n][B|W|D|Q]
Page 32 and 33: Data MovementOpcodeDescription37 MO
Page 34 and 35: Data MovementByteMOVI/MOVInMOVInDes
Page 36 and 37: Data MovementByteDescription0BitDes
Page 38 and 39: Special Register MoveSTORESP R1,SP1
Page 40 and 41: Calling convention• CDECL only- R
Page 42 and 43: Language Examples(1)main(){}int *xp
Page 44: Demo

EBC Complier Presentation - UEFI

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