write_back 机制

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BOOT.XF.4.1/boot_images/QcomPkg/SocPkg/DivarPkg/LAA/uefiplat.cfg 1 [Config] 2 Version = 3 3 MaxMemoryRegions = 74 4 5 [MemoryMap] 6 # EFI_RESOURCE_ EFI_RESOURCE_ATTRIBUTE_ EFI_MEMORY_TYPE ARM_REGION_ATTRIBUTE_ 7 #MemBase, MemSize, MemLabel(32 Char.), BuildHob, ResourceType, ResourceAttribute, MemoryType, CacheAttributes 8 #--------------------- DDR ----- 9 0x40000000, 0x05700000, "Kernel", AddMem, SYS_MEM, SYS_MEM_CAP, Reserv, WRITE_BACK_XN 10 0x45700000, 0x00600000, "HYP", AddMem, SYS_MEM, SYS_MEM_CAP, Reserv, WRITE_BACK_XN 11 0x45D00000, 0x00020000, "Boot Info", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK_XN 12 #0x85F00000, 0x00040000, "AOP CMD DB", AddMem, MEM_RES, WRITE_COMBINEABLE, Reserv, UNCACHED_UNBUFFERED_XN 13 0x46000000, 0x00200000, "SMEM", AddMem, MEM_RES, WRITE_COMBINEABLE, Reserv, UNCACHED_UNBUFFERED_XN 14 0x4AB00000, 0x09400000, "PIL Reserved", AddMem, MEM_RES, WRITE_COMBINEABLE, Reserv, UNCACHED_UNBUFFERED_XN 15 0x53F00000, 0x02800000, "DXE Heap", AddMem, SYS_MEM, SYS_MEM_CAP, Conv, WRITE_BACK 16 0x56700000, 0x00A00000, "DBI Dump", NoHob, MMAP_IO, INITIALIZED, Conv, UNCACHED_UNBUFFERED_XN 17 0x57100000, 0x00400000, "Sched Heap", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK_XN 18 0x5C000000, 0x01000000, "Display Reserved", AddMem, MEM_RES, SYS_MEM_CAP, Reserv, WRITE_THROUGH_XN 19 0x5F800000, 0x00200000, "FV Region", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK_XN 20 0x5FA00000, 0x00200000, "ABOOT FV", AddMem, SYS_MEM, SYS_MEM_CAP, Reserv, WRITE_BACK 21 0x5FC00000, 0x00300000, "UEFI FD", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK 22 0x5FF00000, 0x0008C000, "SEC Heap", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK_XN 23 0x5FF8C000, 0x00001000, "CPU Vectors", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK 24 0x5FF8D000, 0x00003000, "MMU PageTables", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK_XN 25 0x5FF90000, 0x00040000, "UEFI Stack", AddMem, SYS_MEM, SYS_MEM_CAP, BsData, WRITE_BACK_XN 26 0x5FFF7000, 0x00008000, "Log Buffer", AddMem, SYS_MEM, SYS_MEM_CAP, RtData, WRITE_BACK_XN 27 0x5FFFF000, 0x00001000, "Info Blk", AddMem, SYS_MEM, SYS_MEM_CAP, RtData, WRITE_BACK_XN 28 29 [RegisterMap] 30 #--------------------- Other ----- 31 0x045F0000, 0x00007000, "RPM_SS_MSG_RAM", NoHob, MMAP_IO, INITIALIZED, Conv, NS_DEVICE 32 0x0C100000, 0x00026000, "IMEM Base", NoHob, MMAP_IO, INITIALIZED, Conv, NS_DEVICE 33 0x0C125000, 0x00001000, "IMEM Cookie Base", AddDev, MMAP_IO, INITIALIZED, Conv, NS_DEVICE 34 PIL Reserved是哪部分,有什么作用?
09-26
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