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WSL下用VPN也连不github，是DNS的问题
https://learn.microsoft.com/en-us/windows/wsl/troubleshooting#wsl-has-no-network-connectivity-once-connected-to-a-vpn WSL has no network connectivity once connected to a VPN If after connecting to a VPN on Windows, bash loses network connectivity, try this workaround from within bash. This workaround will allow you to manually override the DNS resolution through /etc/resolv.conf. Take a note of the DNS server of...
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装Quartus Lite 20.1, 在Windows WSL
电脑坏了真烦。 在Windows WSL下没法运行32-bit程序，所以quartus最少也得20.1版本。 装完运行quartus，先设置路径。 ~/.bashrc export PATH=$PATH:~/intelFPGA_lite/20.1/quartus/bin export PATH=$PATH:~/intelFPGA_lite/20.1/modelsim_ase/bin 有几个lib没有。 sudo apt-get install -y libsm6 libxext6 libxrender-dev Then the following errors showed up. warning: setlocale: LC_CTYPE: cannot change locale (en_US.UTF-8): No such file or directory realloc(): invalid pointer Aborted (core dumped) To solve the first warning, run: sudo dpkg-reconfigure locales...
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替换chiplab里的axi-sram-bridge
前两天自己搞了个最简单的axi-sram-bridge，只支持单次的读写，准备替换chiplab里的IP/AXI_SRAM_BRIDGE/soc_axi_sram_bridge.v chiplab代码里默认定义的是AXI64，也就是数据是64位宽，地址宽都是还是32。 试了下把数据宽改为32，出错了，这个错也可能是因为之前把TLB拿掉，改了不少地方，现在不好确定了。 所以还是用64的。 把自己的axi_sram_bridge替换上去，结果取指没取到。 结果发现是数据在下降沿到了，比rvalid晚了半个cycle。 可能是verilator里testbench模拟的时候搞错了？先试试把chiplab里的模拟delay的AXI_DELAY_RAND去掉。 这个模拟读内存delay的模块之前也没搞清楚怎么用，每次delay没变化。 奇怪的事。 soc_axi_sram_bridge.v文件如果在IP/AXI_SRAM_BRIDGE/目录下，虽然在makefile里看，是会被编译，但并没有用到。 可这个文件在的话，不但编译了，还加到工程里了。比如随便一搜，有好多。 ../run_func/obj_dir/Vsimu_top___024root__39.cpp: vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_data_push ../run_func/obj_dir/Vsimu_top___024root__39.cpp: = ((IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_push) ../run_func/obj_dir/Vsimu_top___024root__39.cpp: & ((IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_pop) ../run_func/obj_dir/Vsimu_top___024root__39.cpp: | (~ (IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_valid)))); ../run_func/obj_dir/Vsimu_top___024root__39.cpp: vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_queue_push ../run_func/obj_dir/Vsimu_top___024root__39.cpp: = ((((IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_push) ../run_func/obj_dir/Vsimu_top___024root__39.cpp: & (IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_valid)) ../run_func/obj_dir/Vsimu_top___024root__39.cpp: & (~ (IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_pop))) ../run_func/obj_dir/Vsimu_top___024root__39.cpp: & (~ (IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_r_a_queue_valid))); ../run_func/obj_dir/Vsimu_top___024root__39.cpp: vlSelf->soc_axi_sram_bridge__DOT__ram_w_a_queue_pop ../run_func/obj_dir/Vsimu_top___024root__39.cpp: = ((IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_w_a_pop) ../run_func/obj_dir/Vsimu_top___024root__39.cpp: & (IData)(vlSelf->soc_axi_sram_bridge__DOT__ram_w_a_queue_valid)); ../run_func/obj_dir/Vsimu_top___024root__39.cpp: vlSelf->soc_axi_sram_bridge__DOT__ram_w_a_data_push ../run_func/obj_dir/Vsimu_top___024root__39.cpp:...