EBC Complier Presentation - UEFI

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Source Language• Run on various platform– 64-bit Clean• Small image– No floating point types/operations– No C++ (runtime library, exception handling)• Debuggability/Maintenance– No inline asm4
Source Language -64bitness• Natural Types– Pointer– INTN/UINTN• No static initialization using sizeof onnatural types5
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 18 and 19: Program Flow Instructions• JMP64
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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