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a2o
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The A2O core was a follow-on to A2I, written in Verilog, and supported a lower thread count than A2I, but higher performance per thread, using out-of-order execution (register renaming, reservation stations, completion buffer) and a store queue
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a2o/dev/src/test2
openpowerwtf b79536e583
test2 		11 months ago
..
bin test2 11 months ago
bios.c test2 11 months ago
bios.h test2 11 months ago
bios.o test2 11 months ago
boot.s test2 11 months ago
build test2 11 months ago
build2 test2 11 months ago
crt0.lst test2 11 months ago
crt0.o test2 11 months ago
defines.s test2 11 months ago
linker.ld test2 11 months ago
linker2.ld test2 11 months ago
readme.md test2 11 months ago
regions.ld test2 11 months ago
rom test2 11 months ago
rom.bin test2 11 months ago
rom.d test2 11 months ago
rom.init test2 11 months ago
rom.s test2 11 months ago
test2 test2 11 months ago

readme.md

Updating build process - test1

  • 32b crosscompile
  • partial original test kernel plus bios.c to complete boot
  • this version puts kernel at rom start and bios at ram start (different erat entries)
build

# create mem file for coco sim
cp rom.init test2
  • this version puts kernel and bios in rom
build2

# create mem file for coco sim
cp rom.init test2