115 lines
4 KiB
Bash
Executable file
115 lines
4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# build.sh - compile a demo C source into a GS/OS-loadable OMF.
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#
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# Usage: bash demos/build.sh <basename>
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# where demos/<basename>.c is the source. Output is
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# demos/<basename>.omf in the same directory.
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#
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# Uses crt0Gsos (the GS/OS-aware crt) and ExpressLoad-wrapped multi-
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# seg OMF so the slow-Loader rejection path is avoided. The OMF
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# launches via runViaFinder.sh after cadius-injection onto the GS/OS
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# data disk.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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# --debug appends `_dbg` to the output basename so the release and debug
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# artifacts can coexist on disk. It adds `-g` to clang, requests a DWARF
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# sidecar (`--debug-out`) from link816, and keeps the .map (always emitted
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# regardless of mode — pc2line.py and scripts/mameDebug.py need it for
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# function-name lookup). Phase 3.1 (debugger front-end).
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DEBUG=0
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ARGS=()
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while [ $# -gt 0 ]; do
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case "$1" in
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--debug) DEBUG=1; shift;;
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*) ARGS+=("$1"); shift;;
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esac
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done
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set -- "${ARGS[@]+"${ARGS[@]}"}"
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[ $# -ge 1 ] || { echo "usage: $0 [--debug] <basename>" >&2; exit 2; }
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BASE="$1"
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SRC="$SCRIPT_DIR/$BASE.c"
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[ -f "$SRC" ] || { echo "no source: $SRC" >&2; exit 2; }
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CLANG="$PROJECT_ROOT/tools/llvm-mos-build/bin/clang"
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LINK="$PROJECT_ROOT/tools/link816"
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OMF="$PROJECT_ROOT/tools/omfEmit"
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# Debug builds get a `_dbg` suffix so they coexist with the release
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# build. All intermediate + final paths share the suffix so a stale
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# release .o isn't reused for a debug link.
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if [ "$DEBUG" = 1 ]; then
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OUTBASE="${BASE}_dbg"
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DBGFLAGS="-g"
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else
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OUTBASE="$BASE"
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DBGFLAGS=""
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fi
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OBJ="$SCRIPT_DIR/$OUTBASE.o"
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BIN="$SCRIPT_DIR/$OUTBASE.bin"
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MAP="$SCRIPT_DIR/$OUTBASE.map"
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RELOC="$SCRIPT_DIR/$OUTBASE.reloc"
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OUT="$SCRIPT_DIR/$OUTBASE.omf"
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DWARF="$SCRIPT_DIR/$OUTBASE.dwarf"
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echo "compile: $BASE.c -> $OUTBASE.o"
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"$CLANG" --target=w65816 -I"$PROJECT_ROOT/runtime/include" \
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$DBGFLAGS \
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-O2 -ffunction-sections -c "$SRC" -o "$OBJ"
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echo "link: -> $OUTBASE.bin"
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# bss-base 0xA000 keeps BSS above the SHR shadow region ($2000-$9FFF
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# in bank 0 mirrors to bank E1 SHR memory). Without this, the smaller
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# section-gc'd demos place BSS at e.g. $2300 and global writes scribble
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# on the screen.
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LINKER_ARGS=(-o "$BIN" --text-base 0x1000 --bss-base 0xA000 \
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--map "$MAP" --reloc-out "$RELOC")
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if [ "$DEBUG" = 1 ]; then
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LINKER_ARGS+=(--debug-out "$DWARF")
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fi
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"$LINK" "${LINKER_ARGS[@]}" \
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"$PROJECT_ROOT/runtime/crt0Gsos.o" "$OBJ" \
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"$PROJECT_ROOT/runtime/libc.o" \
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"$PROJECT_ROOT/runtime/snprintf.o" \
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"$PROJECT_ROOT/runtime/extras.o" \
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"$PROJECT_ROOT/runtime/softFloat.o" \
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"$PROJECT_ROOT/runtime/softDouble.o" \
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"$PROJECT_ROOT/runtime/iigsGsos.o" \
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"$PROJECT_ROOT/runtime/iigsToolbox.o" \
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"$PROJECT_ROOT/runtime/desktop.o" \
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"$PROJECT_ROOT/runtime/sound.o" \
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"$PROJECT_ROOT/runtime/cursor.o" \
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"$PROJECT_ROOT/runtime/eventLoop.o" \
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"$PROJECT_ROOT/runtime/uiBuilder.o" \
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"$PROJECT_ROOT/runtime/resource.o" \
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"$PROJECT_ROOT/runtime/libgcc.o"
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echo "OMF: -> $OUTBASE.omf"
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"$OMF" --input "$BIN" --map "$MAP" \
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--base 0x1000 --entry __start --output "$OUT" \
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--name "$(echo "$OUTBASE" | tr '[:lower:]' '[:upper:]' | cut -c1-8)" \
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--expressload --relocs "$RELOC"
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ls -la "$OUT"
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if [ "$DEBUG" = 1 ]; then
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echo "debug sidecar: $DWARF"
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echo "map: $MAP"
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fi
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# Phase 3.4 (rsrcBundle): if demos/<basename>.rsrc/ exists, run the
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# bundler to produce an AppleSingle blob (out.apl) AND the cadius
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# sidecar (out.apl_ResourceFork.bin). We pass --sidecar because
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# cadius v1.4.6's AppleSingle parser drops resource_fork entries
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# silently; runViaFinder.sh uses ADDFILE which picks up the sidecar.
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RSRC_DIR="$SCRIPT_DIR/$BASE.rsrc"
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if [ -d "$RSRC_DIR" ]; then
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APL="$SCRIPT_DIR/$OUTBASE.apl"
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echo "rsrcBundle: $RSRC_DIR -> $OUTBASE.apl (+ sidecar)"
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python3 "$PROJECT_ROOT/tools/rsrcBundle/rsrcBundle.py" \
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--data "$OUT" --rsrc-dir "$RSRC_DIR" --out "$APL" --sidecar
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fi
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echo "done: $OUT"
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