Release 20211121

* binutils 4a86d4cf37...56e8e3ab5b (1): > increase BIOS space by 16KB * fontamsoc-hw 9929a05...cc679a2 (1): > bugfixes and improvements pu: fix identifier 'operands' is used before its declaration use ARCHBITSZ without ARCHBITSZIS* use dma dma device pu32-nexysvideo pu32-sim safer fifo bugfix uart_tx_phy adjustment for 16KB BIOS space increase socloader set a sufficiently large %ksl value; PRELDRADDR must not adjust it bugfix pi1r to prevent lock-up when a slave is not ready from a PINOOP bugfix pi1q to correctly set queuenotfull queuenotalmostfull nexys4ddr.bit 33efe32c05300bcb9ad5b5c55661a68b036d778a260fad1c4a6d934363c74a82 nexysvideo.bit 5f8e6c44efb66e976a8ad842df80ef64dc6d5d8d38b7a16f8552aabf8be680ea xula2lx25.bit 78ca6eca07051dabe7e632a23ea979e0be2739a5a5b89df0dbeddda3cd3fb18a * fontamsoc-sw b04f31f...b067ac4 (9): > implement kernel environment "BIOSend" to pass where BIOS ends in memory > enable additional parkpu() setup error messages; remove unnecessary ___ishw declaration > enable ram size check > use DMA engine to load the kernel > DMA engine driver > implement hexdumping of loaded kernel; enabled with macro DO_KERNEL_HEXDUMP > bugfix RAM device lookup > increase BIOS space by 16KB; and double its stack size > loader: set %ksl to a larger value such that PRELDRADDR does not need to * linux 4a12328d9455...c0df9b1e6604 (5): > fix pu32hdd Kconfig help text > pu32hdd: kernel command line argument pu32hdd_usebios to force BIOS use > pu32hdd: prevent /sys/module/pu32hdd/parameters/* invalid values > check for kernel environment "BIOSend" to claim unused BIOS space > increase BIOS space by 16KB
fontamsoc · Nov 21, 2021 · 73ffeeb · 73ffeeb
1 parent f7be9a2
commit 73ffeeb
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Showing 8 changed files with 20 additions and 4 deletions.
diff --git a/README.md b/README.md
@@ -40,6 +40,22 @@ Flash corresponding FPGA bitstream:
 
 Connect to serial port using 115200n8.
 
+## Run Linux using verilator
+
+Build executable `pu32/fontamsoc-hw/pu32-sim/sim` from top module file `pu32/fontamsoc-hw/pu32-sim/sim.v` and testbench file `pu32/fontamsoc-hw/pu32-sim/sim.cpp`:
+
+	make -f pu32/fontamsoc-hw/pu32-sim/makefile
+
+Convert disk image to verilog .hex file to be loaded through $readmemh():
+
+	hexdump -v -e '/1 "%02x "' pu32-vmlinux.img > pu32/fontamsoc-hw/pu32-sim/img.hex
+
+Run executable:
+
+	./pu32/fontamsoc-hw/pu32-sim/sim
+
+Terminate executable using ctrl+c.
+
 ## Reconfigure Linux kernel
 
 	make -f pu32/makefile linux-menuconfig

diff --git a/binutils b/binutils
diff --git a/fontamsoc-hw b/fontamsoc-hw
diff --git a/fontamsoc-sw b/fontamsoc-sw
diff --git a/linux b/linux
diff --git a/nexys4ddr.bit b/nexys4ddr.bit
diff --git a/nexysvideo.bit b/nexysvideo.bit
diff --git a/xula2lx25.bit b/xula2lx25.bit
+35 −35		dev/bootldr.v
+445 −0		dev/dma.v
+3 −3		dev/intctrl.v
+5 −5		dev/pi1_dcache.v
+1 −1		dev/pi1_to_axi4.v
+1 −1		dev/pi1_to_wb4.v
+2 −3		dev/pi1_upconverter.v
+1 −1		dev/pi1q_to_axi4.v
+1 −1		dev/pi1q_to_wb4.v
+279 −0		dev/sdcard/sdcard_sim_phy.v
+85 −24		dev/sdcard/sdcard_spi.v
+2 −2		dev/sdcard/sdcard_spi_phy.v
+159 −0		dev/smem.v
+3 −3		dev/uart_hw.v
+104 −0		dev/uart_sim.v
+7 −4		lib/fifo.v
+6 −3		lib/fifo_fwft.v
+5 −5		lib/perint/pi1q.v
+25 −9		lib/perint/pi1r.v
+2 −2		lib/spi/spi_master.v
+1 −3		lib/uart/uart_rx.v
+2 −3		lib/uart/uart_tx.v
+5 −3		lib/uart/uart_tx_phy.v
+237 −55		pu/dcache.comb.pu.v
+4 −0		pu/init.pu.v
+1 −1		pu/memctrl.comb.pu.v
+26 −2		pu/multipu.v
+39 −17		pu/netsandregs.pu.v
+29 −13		pu/opld.pu.v
+29 −13		pu/opldst.pu.v
+6 −1		pu/opli.pu.v
+2 −1		pu/opmuldiv.pu.v
+12 −1		pu/pu.v
+11 −5		pu32-nexys4ddr/devtbl.nexys4ddr.v
+ −		pu32-nexys4ddr/litedram/litedram.bin
+0 −4		pu32-nexys4ddr/litedram/litedram.c
+ −		pu32-nexys4ddr/litedram/litedram.elf
+1 −1		pu32-nexys4ddr/litedram/litedram.hex
+10 −10		pu32-nexys4ddr/litedram/litedram.su
+0 −29		pu32-nexys4ddr/litedram/litedram.v
+87 −51		pu32-nexys4ddr/nexys4ddr.v
+147 −0		pu32-nexysvideo/devtbl.nexysvideo.v
+167 −0		pu32-nexysvideo/litedram/hwdrvchar/hwdrvchar.h
+109 −0		pu32-nexysvideo/litedram/lfsr.h
+ −		pu32-nexysvideo/litedram/litedram.bin
+870 −0		pu32-nexysvideo/litedram/litedram.c
+ −		pu32-nexysvideo/litedram/litedram.elf
+5 −0		pu32-nexysvideo/litedram/litedram.h
+1 −0		pu32-nexysvideo/litedram/litedram.hex
+167 −0		pu32-nexysvideo/litedram/litedram.lds
+13 −0		pu32-nexysvideo/litedram/litedram.su
+19,950 −0		pu32-nexysvideo/litedram/litedram.v
+31 −0		pu32-nexysvideo/litedram/makefile
+33 −0		pu32-nexysvideo/litedram/print/print.h
+646 −0		pu32-nexysvideo/nexysvideo.v
+342 −0		pu32-nexysvideo/nexysvideo.xdc
+82 −0		pu32-nexysvideo/pll_100_to_50_100_mhz.nexysvideo.v
+9 −0		pu32-nexysvideo/vivado/makefile
+214 −0		pu32-nexysvideo/vivado/nexysvideo.xpr
+10 −0		pu32-sim/.gitignore
+151 −0		pu32-sim/devtbl.sim.v
+43 −0		pu32-sim/makefile
+39 −0		pu32-sim/sim.cpp
+425 −0		pu32-sim/sim.v
+100 −0		pu32-sim/sim_use_vcd.cpp
+10 −4		pu32-xula2lx25/devtbl.xula2lx25.v
+82 −38		pu32-xula2lx25/xula2lx25.v
+1 −1		version.v
+85 −18		bios/bios.c
+2 −2		bios/bios.h
+1 −4		bios/loader.c
+2 −1		bios/loader.h
+1 −1		bios/mkimg.bash
+62 −0		hwdrvdma/hwdrvdma.h
+2 −2		memtest/memtest.lds
+1 −1		arch/pu32/drivers/pu32hdd/Kconfig
+61 −27		arch/pu32/drivers/pu32hdd/pu32hdd.c
+1 −1		arch/pu32/include/pu32.h
+9 −3		arch/pu32/kernel/setup.c