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Tweak OS_ReadModeVariable optimisations
Jeffrey Lee authored 
Detail:
  s/vdu/vduswis - Don't use RMVForCurrentMode when R0 = ModeNo, only use it if R0 is -1. This ensures that results for explicitly-specified modes will always represent the base properties of the mode and won't be influenced by any unusual properties of the current mode, e.g. LineLength/ScreenSize alterations caused by driver-specific framebuffer padding.
Admin:
  Tested on Raspberry Pi 3


Version 5.83. Tagged as 'Kernel-5_83'
af1f546b
Name Last commit Last update
..
AMBControl Implement support for cacheable pagetables
PMF Remove a dead function
vdu Tweak OS_ReadModeVariable optimisations
ARM600 Implement support for cacheable pagetables
ARMops Streamline PL310 ARMops
Arthur2 Fix incorrect OS_SynchroniseCodeAreas call
Arthur3 Extend MonitorType configure keyword
ArthurSWIs Reimplement AMBControl ontop of the PMP system
CPUFeatures Revise comments - it's multiprocessing extensions, not virtualisation
ChangeDyn Fix inverted global vs. per-page cache flush logic in PMP LogOp_MapOut
Convrsions Add OS_Memory 24 implementation. Change OS_ValidateAddress to use it. Fix kernel leaving the physical access MB in a messy state. Try and protect against infinite abort loops caused by bad environment handlers.
Exceptions Implement support for cacheable pagetables
ExtraSWIs Reimplement AMBControl ontop of the PMP system
GetAll Fix screen redirection when in teletext modes. Fix *ScreenLoad buffer overflow.
HAL Implement some ARM11 errata workarounds
HeapMan Delete lots of old switches
HeapSort Avoid unnecesssary remainder calculations
Kernel Expose CLREX via OS_PlatformFeatures
LibKern More HAL work. IOMD HAL work in progress. Lots of my own little build scripts. Don't touch this.
MOSDict Import from cleaned 360 CD
MemInfo Implement support for cacheable pagetables
MemMap2 Implement support for cacheable pagetables
Middle Extend MonitorType configure keyword
ModHand Issue Service_ModulePostInit when really post init
MoreComms Resolve 2x header clashes
MoreSWIs
MsgCode
NewIRQs
NewReset
Oscli
SWINaming
Super1
SysComms
TickEvents
UnSqueeze
Utility
VMSAv6