feat(forge): unify build system, deprecate shell scripts (Phase 15)

build.sh

@@ -1,738 +0,0 @@
-#!/usr/bin/env bash
-# Markus Maiwald (Architect) | Voxis Forge (AI)
-
-
-set -e
-
-# Nexus Rumpk Build Script v0.4
-# "Split Brain" Networking Edition
-
-RUMPK_DIR=$(pwd)
-BUILD_DIR="$RUMPK_DIR/build"
-mkdir -p "$BUILD_DIR"
-
-export ZIG_GLOBAL_CACHE_DIR="$BUILD_DIR/.zig-cache"
-export ZIG_LOCAL_CACHE_DIR="$BUILD_DIR/.zig-cache-local"
-
-ARCH=${1:-riscv64}
-
-case $ARCH in
-    riscv64)
-        ZIG_TARGET="riscv64-freestanding-none"
-        ZIG_OBJ_FLAGS="-mcpu=sifive_u54 -mcmodel=medany"
-        ARCH_FLAGS="-mcpu=sifive_u54 -mabi=lp64d -mcmodel=medany -ffunction-sections -fdata-sections"
-        NIM_CPU="riscv64"
-        NIM_DEFINE="riscv64"
-        ENTRY_FILE="riscv"
-        ;;
-    x86_64)
-        ZIG_TARGET="x86_64-freestanding-none"
-        ARCH_FLAGS="-mno-red-zone"
-        NIM_CPU="amd64"
-        NIM_DEFINE="x86_64"
-        ENTRY_FILE="x86_64"
-        ;;
-    aarch64)
-        ZIG_TARGET="aarch64-freestanding-none"
-        ARCH_FLAGS=""
-        NIM_CPU="arm64"
-        NIM_DEFINE="aarch64"
-        ENTRY_FILE="aarch64"
-        ;;
-    *)
-        echo "Unsupported architecture: $ARCH"
-        exit 1
-        ;;
-esac
-
-echo "╔═══════════════════════════════════════╗"
-echo "║    RUMPK MULTI-ARCH BUILD v0.4        ║"
-echo "║    Architecture: $ARCH                 "
-echo "╚═══════════════════════════════════════╝"
-
-# =========================================================
-# Step 1: Compile Zig L0 (HAL + libc stubs)
-# =========================================================
-echo "[1/8] Compiling Zig L0 (HAL + libc stubs)..."
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/hal/entry_$ENTRY_FILE.zig" \
-    --name hal
-
-mv hal.o "$BUILD_DIR/hal.o"
-echo "      → $BUILD_DIR/hal.o"
-
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/hal/stubs.zig" \
-    --name stubs
-
-mv stubs.o "$BUILD_DIR/stubs.o"
-echo "      → $BUILD_DIR/stubs.o"
-
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/hal/channel.zig" \
-    --name channel
-
-mv channel.o "$BUILD_DIR/channel.o"
-echo "      → $BUILD_DIR/channel.o"
-
-# Compile NexShell NPL (Immune System Voice)
-echo "[1.1/8] Compiling NexShell NPL..."
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/src/npl/system/nexshell.zig" \
-    --name nexshell
-
-mv nexshell.o "$BUILD_DIR/nexshell.o"
-echo "      → $BUILD_DIR/nexshell.o"
-
-# Compile UI (Zicroui)
-echo "[1.2/8] Compiling UI (Zicroui)..."
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    -I"$RUMPK_DIR/libs/microui" \
-    "$RUMPK_DIR/hal/ui.zig" \
-    --name ui
-
-mv ui.o "$BUILD_DIR/ui.o"
-echo "      → $BUILD_DIR/ui.o"
-
-# Compile GPU Driver (Retina)
-echo "[1.3/8] Compiling GPU Driver (VirtIO-GPU)..."
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/hal/gpu.zig" \
-    --name gpu
-
-mv gpu.o "$BUILD_DIR/gpu.o"
-echo "      → $BUILD_DIR/gpu.o"
-
-# Compile Matrix Protocol (Rainmaker)
-echo "[1.4/8] Compiling Matrix Protocol..."
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/hal/matrix.zig" \
-    --name matrix
-
-mv matrix.o "$BUILD_DIR/matrix.o"
-echo "      → $BUILD_DIR/matrix.o"
-
-# =========================================================
-# Step 2: Compile context switch assembly
-# =========================================================
-echo "[2/8] Compiling context switch ($ARCH)..."
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -c "$RUMPK_DIR/hal/arch/$ARCH/switch.S" \
-    -o "$BUILD_DIR/switch.o"
-echo "      → $BUILD_DIR/switch.o"
-
-# =========================================================
-# Step 2.1: Compile Monocypher
-# =========================================================
-echo "[2.1/8] Compiling Monocypher..."
-zig cc \
-    -target $ZIG_TARGET \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -O3 \
-    -c "$RUMPK_DIR/hal/crypto/monocypher.c" \
-    -o "$BUILD_DIR/monocypher.o"
-echo "      → $BUILD_DIR/monocypher.o"
-
-# =========================================================
-# Step 2.1b: Compile Microui
-# =========================================================
-echo "[2.1b/8] Compiling Microui..."
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -O3 \
-    -I"$RUMPK_DIR/libs/microui/include" \
-    -c "$RUMPK_DIR/libs/microui/microui.c" \
-    -o "$BUILD_DIR/microui.o"
-echo "      → $BUILD_DIR/microui.o"
-
-# =========================================================
-# Step 2.2: Compile LwIP (Kernel Stack)
-# =========================================================
-# echo "[2.2/8] Compiling LwIP (Kernel)..."
-# LWIP_CORE_FILES=(
-#     "src/core/init.c"
-#     "src/core/def.c"
-#     "src/core/dns.c"
-#     "src/core/inet_chksum.c"
-#     "src/core/ip.c"
-#     "src/core/mem.c"
-#     "src/core/memp.c"
-#     "src/core/netif.c"
-#     "src/core/pbuf.c"
-#     "src/core/raw.c"
-#     "src/core/stats.c"
-#     "src/core/sys.c"
-#     "src/core/tcp.c"
-#     "src/core/tcp_in.c"
-#     "src/core/tcp_out.c"
-#     "src/core/timeouts.c"
-#     "src/core/udp.c"
-#     "src/core/ipv4/autoip.c"
-#     "src/core/ipv4/dhcp.c"
-#     "src/core/ipv4/etharp.c"
-#     "src/core/ipv4/icmp.c"
-#     "src/core/ipv4/igmp.c"
-#     "src/core/ipv4/ip4.c"
-#     "src/core/ipv4/ip4_addr.c"
-#     "src/core/ipv4/ip4_frag.c"
-#     "src/netif/ethernet.c"
-# )
-# 
-# for cfile in "${LWIP_CORE_FILES[@]}"; do
-#     cfile_path="$RUMPK_DIR/vendor/lwip/$cfile"
-#     objname=$(basename "$cfile" .c)
-#     zig cc \
-#         -target $ZIG_TARGET \
-#         $ARCH_FLAGS \
-#         -ffreestanding \
-#         -fno-stack-protector \
-#         -fno-builtin \
-#         -O2 \
-#         -I"$RUMPK_DIR/core/include" \
-#         -I"$RUMPK_DIR/core/net" \
-#         -I"$RUMPK_DIR/vendor/lwip/src/include" \
-#         -c "$cfile_path" \
-#         -o "$BUILD_DIR/lwip_kernel_$objname.o"
-# done
-
-# =========================================================
-# Step 2.3: Compile LwIP (Membrane Stack)
-# =========================================================
-echo "[2.3/8] Skipping LwIP (Removed)..."
-# LwIP was removed from the build
-LWIP_MEMBRANE_OBJS=""
-
-# Compile sys_arch.c (LwIP Platform Abstraction)
-echo "[2.4/8] Compiling LwIP Platform Layer (sys_arch.c)..."
-# zig cc \
-#     -target $ZIG_TARGET \
-#     $ARCH_FLAGS \
-#     -ffreestanding \
-#     -fno-stack-protector \
-#     -fno-builtin \
-#     -O2 \
-#     -I"$RUMPK_DIR/core/include" \
-#     -I"$RUMPK_DIR/core/net" \
-#     -I"$RUMPK_DIR/vendor/lwip/src/include" \
-#     -c "$RUMPK_DIR/core/net/sys_arch.c" \
-#     -o "$BUILD_DIR/sys_arch.o"
-# 
-# echo "      → LwIP objects compiled."
-
-# =========================================================
-# Step 3: Compile Nim L1 (Kernel + Fibers)
-# =========================================================
-echo "[3/8] Compiling Nim L1 (Kernel + Fibers)..."
-mkdir -p "$BUILD_DIR/nimcache"
-nim c \
-    --cpu:$NIM_CPU \
-    --os:any \
-    --mm:arc \
-    --noMain:on \
-    --cc:clang \
-    --passC:"-target ${ZIG_TARGET/-freestanding-none/-unknown-none} -ffreestanding -fno-stack-protector -fno-builtin $ARCH_FLAGS -I$RUMPK_DIR/core/include -O3 -flto" \
-    --define:useMalloc \
-    --define:nimNoLibc \
-    --define:noSignalHandler \
-    --define:$NIM_DEFINE \
-    -d:danger \
-    --opt:speed \
-    --nimcache:"$BUILD_DIR/nimcache" \
-    --path:"$RUMPK_DIR/core" \
-    -c \
-    "$RUMPK_DIR/core/kernel.nim"
-
-# =========================================================
-# Step 4: Compile Nim C files
-# =========================================================
-echo "[4/8] Compiling Nim C files..."
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -O2 \
-    -I"$RUMPK_DIR/core/include" \
-    -c "$RUMPK_DIR/core/cstubs.c" \
-    -o "$BUILD_DIR/cstubs.o"
-echo "      → $BUILD_DIR/cstubs.o"
-
-NIM_OBJS=""
-for cfile in "$BUILD_DIR/nimcache"/*.c; do
-    ofile="${cfile%.c}.o"
-    zig cc \
-        -target $ZIG_TARGET \
-        -ffreestanding \
-        -fno-stack-protector \
-        -fno-builtin \
-        -fno-sanitize=all \
-        $ARCH_FLAGS \
-        -I"$RUMPK_DIR/core/include" \
-        -I/usr/lib/nim \
-        -I"$RUMPK_DIR/core" \
-        -O3 -flto \
-        -c "$cfile" \
-        -o "$ofile"
-    NIM_OBJS="$NIM_OBJS $ofile"
-done
-echo "      → $BUILD_DIR/nimcache/*.o"
-
-# =========================================================
-# Step 4.1: Compile Overrides (Math/Atomics Stubs)
-# =========================================================
-echo "[4.1/8] Compiling Sovereign Overrides..."
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -O2 \
-    -I"$RUMPK_DIR/core/include" \
-    -c "$RUMPK_DIR/core/overrides.c" \
-    -o "$BUILD_DIR/overrides.o"
-echo "      → $BUILD_DIR/overrides.o"
-
-# =========================================================
-# Step 5: Compile Membrane Library (libnexus.a)
-# =========================================================
-echo "[5/8] Compiling Membrane Library (libnexus.a)..."
-mkdir -p "$BUILD_DIR/membrane_nimcache"
-
-# Compile clib.c (The Mini-Libc)
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -O2 \
-    -I"$RUMPK_DIR/core/include" \
-    -c "$RUMPK_DIR/libs/membrane/clib.c" \
-    -o "$BUILD_DIR/clib.o"
-
-# Compile sys_arch.c (Membrane LwIP Platform Layer)
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -O2 \
-    -I"$RUMPK_DIR/core/include" \
-    -I"$RUMPK_DIR/libs/membrane/include" \
-    -I"$RUMPK_DIR/vendor/lwip/src/include" \
-    -c "$RUMPK_DIR/libs/membrane/sys_arch.c" \
-    -o "$BUILD_DIR/membrane_sys_arch.o"
-
-nim c \
-    --cpu:$NIM_CPU \
-    --os:any \
-    -d:is_membrane \
-    -d:danger \
-    --opt:speed \
-    -d:useMalloc \
-    -d:nimNoLibc \
-    -d:noSignalHandler \
-    --gc:arc \
-    --panics:on \
-    --app:staticlib \
-    --nimMainPrefix:Membrane \
-    --hint:Conf:off \
-    --hint:OSLib:off \
-    --nimcache:"$BUILD_DIR/membrane_nimcache" \
-    --path:"$RUMPK_DIR/libs/membrane" \
-    --path:"$RUMPK_DIR/core" \
-    -c \
-    "$RUMPK_DIR/libs/membrane/libc.nim"
-
-MEMBRANE_NIM_OBJS=""
-for cfile in "$BUILD_DIR/membrane_nimcache"/*.c; do
-    ofile="${cfile%.c}.o"
-    zig cc \
-        -target $ZIG_TARGET \
-        -ffreestanding \
-        -fno-stack-protector \
-        -fno-builtin \
-        -fno-sanitize=all \
-        $ARCH_FLAGS \
-        -I"$RUMPK_DIR/core/include" \
-        -I/usr/lib/nim \
-        -I"$RUMPK_DIR/core" \
-        -I"$RUMPK_DIR/libs/membrane" \
-        -I"$RUMPK_DIR/libs/membrane/include" \
-        -I"$RUMPK_DIR/vendor/lwip/src/include" \
-        -O3 -flto \
-        -c "$cfile" \
-        -o "$ofile"
-    MEMBRANE_NIM_OBJS="$MEMBRANE_NIM_OBJS $ofile"
-done
-
-# =========================================================
-# Step 5.1: [MOVED] NipBox compilation happens AFTER libnexus.a
-# =========================================================
-# NipBox requires libnexus.a to link, so it's compiled at Step 5.6
-echo "[5.1/8] Skipping Subject (NipBox will be compiled after Membrane)..."
-
-# =========================================================
-# Step 5.5: Patch Atomic References & Nuke Cache (GLOBAL)
-# =========================================================
-# We must do this BEFORE creating archives or linking anything.
-# This ensures broken libcompiler_rt refs are removed from ALL objects.
-
-echo "[5.5/8] Patching Atomic References & Nuking Cache..."
-
-find "$BUILD_DIR" -name "*.o" | while read obj; do
-    zig objcopy --redefine-syms="$RUMPK_DIR/core/re-symbol.txt" "$obj" "$obj" 2>/dev/null || true
-    # Remove auto-linking sections
-    zig objcopy \
-        --remove-section .linker-options \
-        --remove-section .comment \
-        --remove-section .deplibs \
-        --remove-section .llvm_addrsig \
-        --remove-section .dependent-lib \
-        "$obj" "$obj" 2>/dev/null || true
-done
-
-echo "      → SWAPPING libcompiler_rt.a with dummy archive (GLOB)..."
-echo "" > "$BUILD_DIR/dummy.c"
-zig cc -target $ZIG_TARGET -c "$BUILD_DIR/dummy.c" -o "$BUILD_DIR/dummy.o" $ARCH_FLAGS
-
-for lib in "$BUILD_DIR"/.zig-cache/o/*/libcompiler_rt.a; do
-    if [ -f "$lib" ]; then
-        echo "        Replacing $lib"
-        rm -f "$lib"
-        zig ar rc "$lib" "$BUILD_DIR/dummy.o"
-    fi
-done
-
-# =========================================================
-# Step 5b: Create Membrane Archive
-# =========================================================
-
-# Note: We manually include ion_switch.o from the KERNEL nimcache if needed,
-# but it should be in membrane_nimcache too because libc.nim imports it.
-# Let's verify if ion_switch.o exists in membrane_nimcache.
-ION_SWITCH_OBJ=$(ls "$BUILD_DIR/membrane_nimcache"/*ion_switch*o 2>/dev/null || echo "")
-
-zig ar rc "$BUILD_DIR/libnexus.a" \
-    $MEMBRANE_NIM_OBJS \
-    $LWIP_MEMBRANE_OBJS \
-    "$BUILD_DIR/clib.o" \
-    "$BUILD_DIR/membrane_sys_arch.o" \
-    "$BUILD_DIR/switch.o"
-
-echo "      → $BUILD_DIR/libnexus.a"
-
-# =========================================================
-# Step 5.6: Compile NipBox (The Sovereign Userland)
-# =========================================================
-echo "[5.6/8] Compiling NipBox (Sovereign Userland)..."
-
-# Stage 1: Let Nim generate C code only (no linking)
-nim c \
-    --cpu:$NIM_CPU \
-    --os:any \
-    -d:danger \
-    --opt:size \
-    -d:useMalloc \
-    -d:nimNoLibc \
-    -d:noSignalHandler \
-    --mm:arc \
-    --checks:off \
-    --panics:on \
-    --noMain:off \
-    --hint:Conf:off \
-    --hint:OSLib:off \
-    --nimcache:"$BUILD_DIR/nipbox_nimcache" \
-    --path:"$RUMPK_DIR/libs/membrane" \
-    --path:"$RUMPK_DIR/core" \
-    --compileOnly \
-    "$RUMPK_DIR/npl/nipbox/nipbox.nim"
-
-# Stage 2: Compile all C files with zig cc
-echo "[5.6.1/8] Compiling NipBox C files with zig cc..."
-NIPBOX_OBJS=""
-find "$BUILD_DIR/nipbox_nimcache" -name "*.c" | while read cfile; do
-    ofile="${cfile%.c}.o"
-    zig cc \
-        -target $ZIG_TARGET \
-        $ARCH_FLAGS \
-        -ffreestanding \
-        -fno-stack-protector \
-        -fno-builtin \
-        -Os \
-        -ffunction-sections \
-        -fdata-sections \
-        -I/usr/lib/nim \
-        -I"$RUMPK_DIR/core/include" \
-        -c "$cfile" \
-        -o "$ofile"
-done
-
-# Collect all object files
-NIPBOX_OBJS=$(find "$BUILD_DIR/nipbox_nimcache" -name "*.o" | tr '\n' ' ')
-
-# Stage 2.5: Compile libc_shim.zig (Universal Adapter)
-echo "[5.6.1b/8] Compiling libc_shim.zig..."
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseSmall \
-    "$RUMPK_DIR/libs/membrane/libc_shim.zig" \
-    --name libc_shim
-
-mv libc_shim.o "$BUILD_DIR/libc_shim.o"
-
-# Stage 2.6: Compile subject_entry.S
-echo "[5.6.1c/8] Compiling subject_entry.S..."
-zig cc -target $ZIG_TARGET -ffreestanding -c "$RUMPK_DIR/apps/subject_entry.S" -o "$BUILD_DIR/subject_entry.o"
-
-# Stage 3: Link with zig cc
-echo "[5.6.2/8] Linking NipBox binary..."
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -nostdlib \
-    -static \
-    -Wl,--gc-sections \
-    -T "$RUMPK_DIR/apps/linker_user.ld" \
-    "$BUILD_DIR/subject_entry.o" \
-    "$BUILD_DIR/stubs.o" \
-    $NIPBOX_OBJS \
-    "$BUILD_DIR/libc_shim.o" \
-    -L"$BUILD_DIR" \
-    -lnexus \
-    -o "$BUILD_DIR/nipbox"
-
-mkdir -p "$RUMPK_DIR/rootfs/bin"
-cp "$BUILD_DIR/nipbox" "$RUMPK_DIR/rootfs/bin/nipbox"
-echo "      → rootfs/bin/nipbox"
-
-# Convert NipBox binary to object file for embedding
-echo "[5.6.3/8] Embedding NipBox as Subject..."
-llvm-objcopy -O binary "$BUILD_DIR/nipbox" "$BUILD_DIR/nipbox.bin"
-
-# Generate assembly wrapper for safe embedding
-cat <<EOF > "$BUILD_DIR/subject_wrapper.S"
-.section .rodata
-.global _subject_start
-.global _subject_end
-_subject_start:
-    .incbin "$BUILD_DIR/nipbox.bin"
-_subject_end:
-EOF
-
-# Compile wrapper to object file
-zig cc \
-    -target $ZIG_TARGET \
-    -c "$BUILD_DIR/subject_wrapper.S" \
-    -o "$BUILD_DIR/subject_zig.o"
-
-echo "      → $BUILD_DIR/nipbox ($(stat -c%s "$BUILD_DIR/nipbox" 2>/dev/null || echo "unknown") bytes)"
-echo "      → $BUILD_DIR/subject_zig.o (embedded)"
-
-# =========================================================
-# Step 5.7: Compile Hello Alien (Test Binary)
-# =========================================================
-echo "[5.7/8] Compiling Hello Alien..."
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -fno-builtin \
-    -Os \
-    -I"$RUMPK_DIR/rootfs/src" \
-    -I"$RUMPK_DIR/core/include" \
-    -c "$RUMPK_DIR/rootfs/src/hello.c" \
-    -o "$BUILD_DIR/hello.o"
-
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -fno-stack-protector \
-    -nostdlib \
-    -static \
-    -Wl,--gc-sections \
-    -T "$RUMPK_DIR/apps/linker_user.ld" \
-    "$BUILD_DIR/subject_entry.o" \
-    "$BUILD_DIR/hello.o" \
-    "$BUILD_DIR/libc_shim.o" \
-    -L"$BUILD_DIR" \
-    -lnexus \
-    -o "$RUMPK_DIR/rootfs/bin/hello"
-
-echo "      → rootfs/bin/hello"
-
-# Copy nipbox to rootfs/bin for TarFS loading
-mkdir -p "$RUMPK_DIR/rootfs/bin"
-cp "$BUILD_DIR/nipbox" "$RUMPK_DIR/rootfs/bin/nipbox"
-
-# =========================================================
-# Step 6: Final Kernel Assembly
-# =========================================================
-echo "[6/8] Linking Subject Zero (Canary)..."
-
-# Note: subject_zero.o and libnexus.a are already compiled and patched.
-
-# =========================================================
-# Step 6: Link Subject Zig
-# =========================================================
-echo "[6/8] Linking Subject Zig..."
-
-zig cc \
-    -target $ZIG_TARGET \
-    -nostdlib \
-    -T "$RUMPK_DIR/apps/linker_user.ld" \
-    "$BUILD_DIR/subject_zig.o" \
-    "$BUILD_DIR/libnexus.a" \
-    -o "$BUILD_DIR/subject.elf" \
-    -lgcc
-
-echo "      → $BUILD_DIR/subject.elf"
-zig objcopy -O binary "$BUILD_DIR/subject.elf" "$BUILD_DIR/subject.bin"
-echo "      → $BUILD_DIR/subject.bin"
-
-# =========================================================
-# Step 7: Compile Loader (After Subject)
-# =========================================================
-echo "[7/8] Compiling Loader (with Embedded Subject)..."
-
-# Copy nipbox.bin to core/ so loader.zig can embed it (replacing stale subject.bin)
-cp "$BUILD_DIR/nipbox.bin" "$RUMPK_DIR/core/subject.bin"
-
-zig build-obj \
-    -target $ZIG_TARGET \
-    $ZIG_OBJ_FLAGS \
-    -O ReleaseFast \
-    "$RUMPK_DIR/core/loader.zig" \
-    --name loader
-mv loader.o "$BUILD_DIR/loader.o"
-echo "      → $BUILD_DIR/loader.o"
-
-# Clean up temp file
-rm "$RUMPK_DIR/core/subject.bin"
-
-# Patch Loader Object specifically
-echo "      → Patching Loader Object..."
-obj="$BUILD_DIR/loader.o"
-zig objcopy --redefine-syms="$RUMPK_DIR/core/re-symbol.txt" "$obj" "$obj" 2>/dev/null || true
-zig objcopy \
-    --remove-section .linker-options \
-    --remove-section .comment \
-    --remove-section .deplibs \
-    --remove-section .llvm_addrsig \
-    --remove-section .dependent-lib \
-    "$obj" "$obj" 2>/dev/null || true
-
-# =========================================================
-# Step 7.5: Package RootFS (Sovereign VFS)
-# =========================================================
-echo "[7.5/8] Packaging RootFS (InitRD)..."
-# tar --format=ustar -cf "$BUILD_DIR/initrd.tar" -C "$RUMPK_DIR/rootfs" . 2>/dev/null || touch "$BUILD_DIR/initrd.tar"
-echo "      → Invoking Nexus Forge..."
-pushd ../.. > /dev/null
-./nexus build
-popd > /dev/null
-
-# Generate assembly wrapper for safe embedding
-cat <<EOF > "$BUILD_DIR/initrd_wrapper.S"
-.section .rodata
-.balign 512
-.global _initrd_start
-.global _initrd_end
-_initrd_start:
-    .incbin "$BUILD_DIR/initrd.tar"
-_initrd_end:
-EOF
-
-zig cc \
-    -target $ZIG_TARGET \
-    $ARCH_FLAGS \
-    -ffreestanding \
-    -c "$BUILD_DIR/initrd_wrapper.S" \
-    -o "$BUILD_DIR/initrd.o"
-
-echo "      → $BUILD_DIR/initrd.o ($(stat -c%s "$BUILD_DIR/initrd.o" 2>/dev/null || echo "unknown") bytes)"
-
-# =========================================================
-# Step 8: Link Kernel (Direct LLD Bypass)
-# =========================================================
-echo "[8/8] Linking Kernel ($ARCH) using LLD..."
-
-# Check if ld.lld is available, otherwise assume zig cc wrapper but we try direct first
-LINKER="ld.lld"
-EMULATION=""
-
-if [ "$ARCH" = "riscv64" ]; then
-    EMULATION="-m elf64lriscv"
-elif [ "$ARCH" = "x86_64" ]; then
-    EMULATION="-m elf_x86_64"
-elif [ "$ARCH" = "aarch64" ]; then
-    EMULATION="-m aarch64elf"
-fi
-
-$LINKER \
-    -t \
-    $EMULATION \
-    --gc-sections \
-    -T "$RUMPK_DIR/hal/arch/$ARCH/linker.ld" \
-    "$BUILD_DIR/hal.o" \
-    "$BUILD_DIR/stubs.o" \
-    "$BUILD_DIR/channel.o" \
-    "$BUILD_DIR/switch.o" \
-    "$BUILD_DIR/monocypher.o" \
-    "$BUILD_DIR/cstubs.o" \
-    "$BUILD_DIR/overrides.o" \
-    "$BUILD_DIR/loader.o" \
-    "$BUILD_DIR/nexshell.o" \
-    "$BUILD_DIR/ui.o" \
-    "$BUILD_DIR/gpu.o" \
-    "$BUILD_DIR/matrix.o" \
-    "$BUILD_DIR/initrd.o" \
-    "$BUILD_DIR/microui.o" \
-    $NIM_OBJS \
-    -o "$BUILD_DIR/rumpk-$ARCH.elf"
-
-echo "      → $BUILD_DIR/rumpk-$ARCH.elf"
-
-echo ""
-echo "✅ Build complete for $ARCH!"
-echo "Run with:"
-echo "  qemu-system-riscv64 -M virt -nographic -kernel $BUILD_DIR/rumpk-riscv64.elf -netdev user,id=n0 -device virtio-net-pci,netdev=n0,disable-modern=on"
-echo ""