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[/] [amber] - Rev 33

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33 Fixed bug in div assembly function. Handles negative numbers correctly.
Fixed bug in printf function, negative numbers now print correctly.
csantifort 4799d 16h /amber
32 Added clock cycle counting register to test_module to support dhrystone performance measurement csantifort 4800d 16h /amber
31 Added dhrystone benchmark test csantifort 4800d 16h /amber
30 Bug fix - a write access was sometimes dropped when it was in a sequence of writes with variable wb_ack delays csantifort 4813d 23h /amber
29 Use lgo command for saving waveforms in modelsim csantifort 4815d 16h /amber
28 Moved function prototypes to .h file csantifort 4815d 17h /amber
27 Got working with cadence nc simulator csantifort 4849d 00h /amber
26 Added wish list csantifort 4854d 00h /amber
25 Bug fix: boot-loader.mem became larger that the allowed 8k byte boot mem size.
Removed a struct in elfsplitter.c thats only used for debug - this reduced boot-loader.mem enough so that it fits again.
Tidy up: Removed a debug message from hw/tools/run.sh
csantifort 4855d 21h /amber
24 Added instructions how to build Linux kernel from source files csantifort 4857d 21h /amber
23 Split the source files list into a Vertex-6 only list and a Spartan-6 only list.
That way users don;t need to delete files from the list manually if they only have
a setup for one of the FPGA types.
csantifort 4857d 22h /amber
22 Added files and instructions to enable the building of the vmlinux image from the kernel source files. csantifort 4861d 21h /amber
21 Fixed bug in the conditions to create the FPGA configuration log file. I added the creation of the log file in the last release, but the way it was implemented was causing the Makefile to always rebuild from the start. csantifort 4861d 22h /amber
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 4882d 22h /amber
19 Create a configuration log file as part of the synthesis flow. This file is a useful reference to
tell the different bitfiles apart.
csantifort 4882d 23h /amber
18 Added list of source files and diagram for Amber25 core. csantifort 4885d 21h /amber
17 amber25 core bug fix. The return address for irq interrupts was off by 4 bytes
when the interrupt occurred during a stm instruction with the following instruction
having some register conflicts. Added test irq_stm to catch the bug.
Cleaned up some header descriptions
csantifort 4886d 20h /amber
16 Deleted the old version of the 3-state amber core. Its replaced with amber23.
Added the 5-state Amber core.
csantifort 4889d 11h /amber
15 Copied amber to amber23, Many system changes to support new amber25 core. csantifort 4889d 11h /amber
14 Re-wrote the behavioral clock generation code to more accurately
calculate the sys_clk frequency. The previous version was not
producing the correct frequency at higher frequenies due to
rounding errors.
csantifort 4890d 23h /amber

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