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Add support for LDRSB to data abort handler
Robert Sprowson authored 
ARM600:
Decode LDRSB, do the sign extend, and fault all the other loads and stores not understood.
VMSAv6:
As the loads and stores not understood are now vetted properly, it should be safe to UseProcessTransfer (previously they'd have been disassembled incorrectly).
Paste in LDRSB code from ARM600.
Fix dubious looking access of CurrentGraphicsVDriver from WsPtr.

Tested briefly on StrongARM.

Version 5.35, 4.79.2.209. Tagged as 'Kernel-5_35-4_79_2_209'
f6c764dd
Name Last commit Last update
Dev Make OS_Memory 8 return more correct values
Doc Kernel merged
Docs Merge over some changes from the Cortex branch
NewModes Add support for the new RISC OS 5 style sprite mode word. Add partial support for alpha channel sprite masks. Implement OS_ScreenMode reasons 13-15
Resources/UK Assorted GraphicsV improvements
TestSrc Adopt some switches from Hdr:Machine/Machine
h Assorted GraphicsV improvements
hdr Strip out some old build switches
o Clean reimport of hdr.RISCOS (real commit date 2008-03-28 by bavison), without any of the 3rd party allocations.
rm Clean reimport of hdr.RISCOS (real commit date 2008-03-28 by bavison), without any of the 3rd party allocations.
s Add support for LDRSB to data abort handler
.gitattributes Added 'UnConv' error (see also HdrSrc).
BlackLog Initial revision
Changes Import from cleaned 360 CD
HelpStrs Adoption of *CONFIGURE/STATUS CACHE commands
LICENSE Clean reimport of hdr.RISCOS (real commit date 2008-03-28 by bavison), without any of the 3rd party allocations.
Makefile Assorted GraphicsV improvements
MkClean,fd7 Mostly device stuff.
MkExport,fd7 Import from cleaned 360 CD
MkRom,fd7 partial video changes for kernel/HAL split near-HAL code for VIDC/IOMD in vdu.vduhint briefly tested in Ursula desktop build still some kernel workspace dependency in near-HAL code
MkRomInst,fd7 32-bit Kernel.
Version Back to odd numbered development.
VersionASM Add support for LDRSB to data abort handler
VersionNum Add support for LDRSB to data abort handler