diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..26700ed
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,40 @@
+name: Build docker
+
+on:
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: sc64env
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1007d8b..be46a87 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,4 +1,4 @@
-name: Build
+name: Build fw/hw/sw
 
 on:
   push:
@@ -18,19 +18,14 @@ jobs:
         with:
           submodules: true
 
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install avra
-
       - name: Build script
-        run: ./build_release.sh
+        run: ./build.sh
 
       - name: Upload artifact
         uses: actions/upload-artifact@v2
         with:
           name: SummerCart64
-          path: packages/SummerCart64.zip
+          path: SummerCart64.zip
 
       - name: Get release
         if: github.event_name == 'release' && github.event.action == 'created'
diff --git a/.gitignore b/.gitignore
index d36fec2..f83604f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
-/packages
 **/.vscode
-/sw/test
+*.zip
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..497d557
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker run -it --mount type=bind,src="$(pwd)",target="/workdir" polprzewodnikowy/sc64env:0.9 /bin/bash ./docker/build.sh
diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000..4add992
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,93 @@
+FROM ubuntu:18.04 AS base
+
+
+FROM base AS build_base
+SHELL ["/bin/bash", "-c"]
+WORKDIR /tmp/scratchpad
+ENV DEBIAN_FRONTEND="noninteractive"
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y \
+        autoconf \
+        automake \
+        autotools-dev \
+        bc \
+        bison \
+        build-essential \
+        bzip2 \
+        curl \
+        expect \
+        file \
+        flex \
+        g++ \
+        gawk \
+        gcc \
+        gcc-multilib \
+        git \
+        gperf \
+        libexpat-dev \
+        libgmp-dev \
+        libmpc-dev \
+        libmpfr-dev \
+        libpng-dev \
+        libtool \
+        make \
+        patchutils \
+        python3 \
+        texinfo \
+        texinfo \
+        wget \
+        zlib1g-dev
+
+
+FROM build_base AS build_riscv
+RUN git clone --branch 2021.09.21 https://github.com/riscv/riscv-gnu-toolchain && \
+    pushd ./riscv-gnu-toolchain && \
+    ./configure --prefix=/opt/riscv --with-arch=rv32i --with-abi=ilp32 && \
+    make -j$(nproc) && \
+    popd && \
+    rm -rf ./riscv-gnu-toolchain
+
+
+FROM build_base AS build_n64
+ENV N64_INST=/opt/n64
+ENV FORCE_DEFAULT_GCC=true
+RUN git clone https://github.com/DragonMinded/libdragon && \
+    pushd ./libdragon && \
+    git checkout fc4b6708df7439b9386bb6631e24d8909d78d6ae && \
+    pushd ./tools && \
+    ./build-toolchain.sh && \
+    popd && \
+    make install && \
+    make tools-install && \
+    popd && \
+    rm -rf ./libdragon
+
+
+FROM build_base AS build_quartus
+ADD setup_quartus.sh .
+RUN mkdir -p ./quartus && \
+    pushd ./quartus && \
+    wget -q http://download.altera.com/akdlm/software/acdsinst/20.1std.1/720/ib_tar/Quartus-lite-20.1.1.720-linux.tar && \
+    tar xvf Quartus-lite-20.1.1.720-linux.tar && \
+    popd && \
+    ./setup_quartus.sh 20.1 && \
+    rm -rf ./quartus setup_quartus.sh
+
+
+FROM base AS release
+WORKDIR /workdir
+ENV DEBIAN_FRONTEND="noninteractive"
+ENV LC_ALL="en_US.UTF-8"
+ENV N64_INST="/usr/local"
+ENV PATH="${PATH}:/opt/intelFPGA_lite/20.1/quartus/bin"
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y avra make python3 libglib2.0-0 libtcmalloc-minimal4 libmpc3 locales zip && \
+    echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && \
+    locale-gen en_US.UTF-8 && \
+    /usr/sbin/update-locale LANG=en_US.UTF-8
+COPY --from=build_riscv /opt/riscv /usr/local
+COPY --from=build_n64 /opt/n64 /usr/local
+COPY --from=build_quartus /opt/intelFPGA_lite /opt/intelFPGA_lite
+ENV LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4"
diff --git a/docker/build.sh b/docker/build.sh
new file mode 100644
index 0000000..49191ee
--- /dev/null
+++ b/docker/build.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+
+PACKAGE_FILE_NAME="SummerCart64"
+FILES=(
+    "./fw/output_files/SummerCart64.pof"
+    "./hw/v1/ftdi-template.xml"
+    "./sw/cic/UltraCIC-III.hex"
+    "./sw/riscv/build/controller.rom"
+    "./LICENSE"
+)
+
+
+pushd sw/cic
+echo "Building UltraCIC-III software"
+avra UltraCIC-III.asm -D attiny45
+popd
+
+
+pushd sw/n64
+echo "Building N64 bootloader software"
+make clean all
+popd
+
+
+pushd sw/riscv
+echo "Building RISC-V controller software"
+make clean all
+popd
+
+
+pushd fw
+echo "Building FPGA firmware"
+quartus_sh --flow compile SummerCart64.qpf
+popd
+
+
+echo "Zipping files"
+if [[ -e "./${PACKAGE_FILE_NAME}.zip" ]]; then
+    rm -f "./${PACKAGE_FILE_NAME}.zip"
+fi
+zip -r "./${PACKAGE_FILE_NAME}.zip" ${FILES[@]}
diff --git a/docker/setup_quartus.sh b/docker/setup_quartus.sh
new file mode 100644
index 0000000..a17964c
--- /dev/null
+++ b/docker/setup_quartus.sh
@@ -0,0 +1,25 @@
+#!/usr/bin/expect
+
+set timeout -1
+
+set version [lindex $argv 0]
+
+spawn ./quartus/setup.sh
+
+expect {
+    "Press \\\[Enter\\\] to continue:" { send "\r"; exp_continue }
+    "Do you accept this license? \\\[y/n\\\]" { send "y\r"; exp_continue }
+    "Installation directory \\\[/root/intelFPGA_lite/$version\\\]:" { send "/opt/intelFPGA_lite/$version\r"; exp_continue }
+    "Quartus Prime Lite Edition (Free)  \\\[Y/n\\\] :" { send "y\r"; exp_continue }
+    "Quartus Prime Lite Edition (Free)  - Quartus Prime Help" { send "n\r"; exp_continue }
+    "Quartus Prime Lite Edition (Free)  - Devices \\\[Y/n\\\] " { send "y\r"; exp_continue }
+    "Quartus Prime Lite Edition (Free)  - Devices - MAX 10 FPGA" { send "y\r"; exp_continue }
+    "Quartus Prime Lite Edition (Free)  - Devices - " { send "n\r"; exp_continue }
+    "ModelSim - Intel FPGA Starter Edition (Free)" { send "n\r"; exp_continue }
+    "ModelSim - Intel FPGA Edition" { send "n\r"; exp_continue }
+    "Is the selection above correct? \\\[Y/n\\\]:" { send "y\r"; exp_continue }
+    "Create shortcuts on Desktop \\\[Y/n\\\]:" { send "n\r"; exp_continue }
+    "Launch Quartus Prime Lite Edition \\\[Y/n\\\]:" { send "n\r"; exp_continue }
+    "Provide your feedback at" { send "n\r"; exp_continue }
+    eof { }
+}
diff --git a/fw/SummerCart64.qsf b/fw/SummerCart64.qsf
index 4a92f40..1987b3c 100644
--- a/fw/SummerCart64.qsf
+++ b/fw/SummerCart64.qsf
@@ -54,7 +54,7 @@ set_global_assignment -name QIP_FILE rtl/intel/pll/intel_pll.qip
 set_global_assignment -name SDC_FILE SummerCart64.sdc
 set_global_assignment -name SIGNALTAP_FILE stp.stp
 set_global_assignment -name SYSTEMVERILOG_FILE cpu/picorv32/picorv32.v
-set_global_assignment -name SYSTEMVERILOG_FILE rtl/cpu/cpu_bootloader.sv
+set_global_assignment -name SYSTEMVERILOG_FILE ../sw/riscv/build/cpu_bootloader.sv
 set_global_assignment -name SYSTEMVERILOG_FILE rtl/cpu/cpu_bus.sv
 set_global_assignment -name SYSTEMVERILOG_FILE rtl/cpu/cpu_cfg.sv
 set_global_assignment -name SYSTEMVERILOG_FILE rtl/cpu/cpu_dma.sv
diff --git a/fw/rtl/cpu/cpu_bootloader.sv b/fw/rtl/cpu/cpu_bootloader.sv
deleted file mode 100644
index 8700cbd..0000000
--- a/fw/rtl/cpu/cpu_bootloader.sv
+++ /dev/null
@@ -1,49 +0,0 @@
-module cpu_bootloader (
-    if_system.sys sys,
-    if_cpu_bus bus
-);
-
-    always_ff @(posedge sys.clk) begin
-        bus.ack <= 1'b0;
-        if (bus.request) begin
-            bus.ack <= 1'b1;
-        end
-    end
-
-    always_comb begin
-        bus.rdata = 32'd0;
-        if (bus.ack) begin
-            case (bus.address[6:2])
-                0: bus.rdata = 32'h00000793;
-                1: bus.rdata = 32'h00000713;
-                2: bus.rdata = 32'h50000637;
-                3: bus.rdata = 32'h02000593;
-                4: bus.rdata = 32'h00062683;
-                5: bus.rdata = 32'h0016f693;
-                6: bus.rdata = 32'hfe068ce3;
-                7: bus.rdata = 32'h00464683;
-                8: bus.rdata = 32'h00f696b3;
-                9: bus.rdata = 32'h00878793;
-                10: bus.rdata = 32'h00d76733;
-                11: bus.rdata = 32'hfeb792e3;
-                12: bus.rdata = 32'h00000793;
-                13: bus.rdata = 32'h500005b7;
-                14: bus.rdata = 32'h0005a683;
-                15: bus.rdata = 32'h0016f693;
-                16: bus.rdata = 32'hfe068ce3;
-                17: bus.rdata = 32'h0045c683;
-                18: bus.rdata = 32'h00178613;
-                19: bus.rdata = 32'h0ff6f693;
-                20: bus.rdata = 32'h00d78023;
-                21: bus.rdata = 32'h00e61863;
-                22: bus.rdata = 32'hf0000297;
-                23: bus.rdata = 32'hfa828293;
-                24: bus.rdata = 32'h00028067;
-                25: bus.rdata = 32'h00060793;
-                26: bus.rdata = 32'hfd1ff06f;
-                default: bus.rdata = 32'd0;
-            endcase
-        end
-    end
-
-endmodule
diff --git a/sw/n64/Makefile b/sw/n64/Makefile
index 2a746ae..f835a6f 100644
--- a/sw/n64/Makefile
+++ b/sw/n64/Makefile
@@ -16,7 +16,7 @@ HEADER_NAME = header
 
 PROG_NAME = SummerLoader64
 
-ROM_SIZE = 90k
+ROM_SIZE = 1028k
 
 SOURCE_DIR = src
 BUILD_DIR = build
@@ -35,7 +35,6 @@ CFLAGS = $(COMMONFLAGS) -std=gnu11 -Os -Wall -I$(ROOTDIR)/mips64-elf/include $(I
 LINK_FLAGS = -L$(ROOTDIR)/mips64-elf/lib -ldragon -lc -lm -ldragonsys -Tn64.ld
 #-L./libsc64/lib -lsc64_libdragon
 N64_FLAGS = -l $(ROM_SIZE) -h $(HEADER_PATH)/$(HEADER_NAME) -o $(BUILD_DIR)/$(PROG_NAME).z64
-N64_FLAGS_PADDED = -l 1028k -h $(HEADER_PATH)/$(HEADER_NAME) -o $(BUILD_DIR)/$(PROG_NAME)_padded.z64
 
 all: make_output_dir $(BUILD_DIR)/$(PROG_NAME).z64
 
@@ -45,9 +44,8 @@ $(BUILD_DIR)/$(PROG_NAME).z64: $(BUILD_DIR)/$(PROG_NAME).elf
 	$(OBJCOPY) $(BUILD_DIR)/$(PROG_NAME).elf $(BUILD_DIR)/$(PROG_NAME).bin -O binary
 	$(OBJDUMP) -S $(BUILD_DIR)/$(PROG_NAME).elf > $(BUILD_DIR)/$(PROG_NAME).lst
 	$(N64TOOL) $(N64_FLAGS) -t $(PROG_NAME) $(BUILD_DIR)/$(PROG_NAME).bin
-	$(N64TOOL) $(N64_FLAGS_PADDED) -t $(PROG_NAME) $(BUILD_DIR)/$(PROG_NAME).bin
 	$(CHKSUM64) $(BUILD_DIR)/$(PROG_NAME).z64
-	$(CHKSUM64) $(BUILD_DIR)/$(PROG_NAME)_padded.z64
+	truncate --size=90k $(BUILD_DIR)/$(PROG_NAME).z64
 	$(OBJCOPY) $(BUILD_DIR)/$(PROG_NAME).z64 $(BUILD_DIR)/$(PROG_NAME).hex -I binary -O ihex
 
 $(BUILD_DIR)/$(PROG_NAME).elf: $(OBJ_FILES)
diff --git a/sw/n64/build.sh b/sw/n64/build.sh
index 03550f5..5ed11b2 100644
--- a/sw/n64/build.sh
+++ b/sw/n64/build.sh
@@ -1,9 +1,3 @@
 #!/bin/bash
-#--mount type=bind,src=`realpath "$(pwd)/../libsc64"`,target="/src/libsc64" \
-build_in_docker() {
-    docker run -t \
-        --mount type=bind,src=`realpath $(pwd)`,target="/src" \
-        $1 /bin/bash -c "cd /src && make clean && make -f $2 all"
-}
 
-build_in_docker "anacierdem/libdragon:6.0.2" "Makefile"
+docker run -it --mount type=bind,src="$(pwd)",target="/workdir" polprzewodnikowy/sc64env:0.9 /bin/bash -c "make clean all"
diff --git a/sw/riscv/Makefile b/sw/riscv/Makefile
index b113732..d4db2a9 100644
--- a/sw/riscv/Makefile
+++ b/sw/riscv/Makefile
@@ -1,4 +1,4 @@
-TOOLCHAIN = riscv64-unknown-elf-
+TOOLCHAIN = riscv32-unknown-elf-
 CC = $(TOOLCHAIN)gcc
 OBJCOPY = $(TOOLCHAIN)objcopy
 SIZE = $(TOOLCHAIN)size
@@ -9,7 +9,6 @@ LDFLAGS = -nostartfiles -Wl,--gc-sections
 
 SRC_DIR = src
 BUILD_DIR = build
-BOOTLOADER_DIR = ../../fw/rtl/cpu
 
 SRCS = $(wildcard $(patsubst %, %/*.c, . $(SRC_DIR)))
 OBJS = $(addprefix $(BUILD_DIR)/, $(notdir $(SRCS:.c=.o)))
@@ -19,7 +18,7 @@ VPATH = $(SRC_DIR)
 
 $(@info $(shell mkdir -p ./$(BUILD_DIR) &> /dev/null))
 
-all: $(BOOTLOADER_DIR)/cpu_bootloader.sv $(BUILD_DIR)/controller.rom
+all: $(BUILD_DIR)/cpu_bootloader.sv $(BUILD_DIR)/controller.rom
 
 $(BUILD_DIR)/%.o: %.c
 	$(CC) $(FLAGS) $(CFLAGS) -c $< -o $@
@@ -36,7 +35,7 @@ $(BUILD_DIR)/controller.rom: $(BUILD_DIR)/uc.elf
 	@echo 'Size of controller:'
 	@$(SIZE) -B $(BUILD_DIR)/controller.elf
 
-$(BOOTLOADER_DIR)/cpu_bootloader.sv: $(BUILD_DIR)/uc.elf
+$(BUILD_DIR)/cpu_bootloader.sv: $(BUILD_DIR)/uc.elf
 	$(OBJCOPY) -j .bootloader $(BUILD_DIR)/uc.elf $(BUILD_DIR)/bootloader.elf
 	$(OBJCOPY) -O binary $(BUILD_DIR)/bootloader.elf $(BUILD_DIR)/bootloader.bin
 	python3 tools/bin2sv.py tools/cpu_bootloader_template.sv $@ < $(BUILD_DIR)/bootloader.bin
diff --git a/sw/riscv/build.sh b/sw/riscv/build.sh
new file mode 100644
index 0000000..5ed11b2
--- /dev/null
+++ b/sw/riscv/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker run -it --mount type=bind,src="$(pwd)",target="/workdir" polprzewodnikowy/sc64env:0.9 /bin/bash -c "make clean all"