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[/] [amber/] [trunk/] [doc/] - Rev 50

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48 Fixed a bug in linux that caused the os to not return to the running application after an interrupt.
Hello-world now runs stand-alone again.
Added initrd-200k-dhry, a disk image that uses the dhry program for init.
csantifort 5235d 07h /amber/trunk/doc/
43 Added support for the flat executable file format to vmlinux, so that the hello-world program is correctly relocated when it is loaded at the end of the vmlinux test.
Changed the Virtex-5 clock configuration to use a 1200MHz VCO frequency and 80MHz system clock frequency.
csantifort 5263d 03h /amber/trunk/doc/
40 Added wishbone bus jitter testing option.
Cleaned up waveform log .do files, now seperate files for a23 and a25 cores.
Added vmlinux executable elf file for running on hardware.
csantifort 5287d 01h /amber/trunk/doc/
36 Changed boot_mem for the a25 system to be 128 bits wide to match the 128-bit wide wishbone bus csantifort 5290d 00h /amber/trunk/doc/
35 Amber25 improvements:
Use 128-bit wishbone bus, instead of 32-bit to reduce cache miss fetch times
Use a fast barrel shifter for shifts between 0 and 4 to improve timing
Use a 2 cycle full barrel shifter for complex shifts
csantifort 5291d 08h /amber/trunk/doc/
26 Added wish list csantifort 5347d 09h /amber/trunk/doc/
24 Added instructions how to build Linux kernel from source files csantifort 5351d 06h /amber/trunk/doc/
20 Added feature to A25 core to directly use a read value from the write back stage
to reduce the stall to 1 cycle when there is a register conflict with the
following instruction. This increases performance by about 3%.
csantifort 5376d 07h /amber/trunk/doc/
18 Added list of source files and diagram for Amber25 core. csantifort 5379d 06h /amber/trunk/doc/
15 Copied amber to amber23, Many system changes to support new amber25 core. csantifort 5382d 20h /amber/trunk/doc/
11 Added vmlinux test. csantifort 5399d 08h /amber/trunk/doc/
7 Added instructions to use Veritak simulator.
Removed some unused functions from memory_configuration.v.
csantifort 5409d 02h /amber/trunk/doc/
4 Corrected a couple of minor typos csantifort 5413d 02h /amber/trunk/doc/
3 Added trunk to $AMBER_BASE path csantifort 5413d 05h /amber/trunk/doc/
2 Baseline release of the Amber 2 core csantifort 5413d 06h /amber/trunk/doc/

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