Florian Zaruba a5f3184a65 Improve Tandem Simulation, switch-able caches and fix a cache-bug (#192) ...

* Add spike isa sim

* Fix AMO problem in verilator

* 🎨 Tidy up FPU wrapper

* Bump axi_exclusive submodule

* Refactor serpent AXI adapter, bump dbg and atomics submodules, add separate bootrom for linux on OpenPiton (#190)

* Refactor serpent AXI adapter

* Disable FPU in OpenPiton by default

* Bump dbg and atomics submodules

* Fix cache testbenches (interface change)

* FPGA bootrom changes for OpenPiton SDHC

* Introduce two bootroms, one for baremetal apps (pitonstream), and one for linux boot from SD

* Testing barrier-based synchronisation instead of CLINT-based

* This bootrom works for 2 core on g2 and if you change MAX_HARTS to 4, then 4 cores on vc707

* Add MAX_HARTS switch to makefile

* Fix gitlab CI

* Revert standard FPGA bootrom

* Update Flist

* Make UART_FREQ a parameter

* Fix typo in tb.list and an error in define switch in ariane_pkg

* Copy over SD-driver in bootloader from @leon575777642

* Fix compilation issues of bootrom

* Change signal name in serpent periph portlist

* Correct generate statement in serpent dcache memory

* Add Piton SD Controller, FPGA fixes

* Fix race condition in dcache misshandler

* Add tandem spike to Make flow

* Remove OpenPiton SD Card controller again

2019-03-18 11:51:58 +01:00

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