Cocoapuffs

• 2026-09-03 rules_vivado: FPGA Synthesis and Place-and-Route in Bazel #bazel#FPGA#Vivado

  rules_vivado drives the AMD/Xilinx Vivado FPGA toolchain from Bazel: compile, simulate, synthesize, place-and-route, generate a bitstream, and program the device, all as ordinary build actions instead of clicks in a GUI …

• 2026-08-17 Bazel all the way down: how I build programmable hardware #bazel#FPGA#HER

  This is a description of how I build programmable hardware. Everything that goes into Cocoapuffs, my RISC-V system-on-chip on an Artix-7 FPGA: the RTL, the firmware, the simulations, the synthesis, the bitstream, and the …

• 2026-07-19 Booting Fuchsia’s Zircon on a homebrew RISC-V SoC, on an Artix-7 FPGA #FPGA#RISC-V#Zircon

  Fuchsia’s Zircon kernel now boots on Cocoapuffs, my homebrew RISC-V system-on-chip on an AMD Artix-7 FPGA: as far as I know, the first Fuchsia boot on programmable hardware. The boot video and the full chain, from a SERV …