65 lines
2.7 KiB
Bash
Executable file
65 lines
2.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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# clang-smoke.sh - End-to-end smoke test of the llvm-mos w65816 IIgs
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# build path. Compiles a tiny C main that calls JoeyLib's ported asm
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# (iigsInitRowLut), links it with clang-build.sh, runs it under MAME's
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# apple2gs, and verifies the LUT the asm computed.
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#
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# This proves the whole toolchain end to end: clang -> llvm-mc ->
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# link816 -> runnable IIgs image -> correct runtime result. Exit 0 on
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# success. Needs the toolchain:iigs install (make exports its paths).
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set -euo pipefail
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: "${LLVM816_ROOT:?LLVM816_ROOT unset: run ./install.sh install toolchain:iigs, then use make or source toolchains/env.sh}"
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: "${MAME:?MAME unset: run ./install.sh install emulator:iigs}"
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: "${IIGS_ROMPATH:?IIGS_ROMPATH unset: run ./install.sh install emulator:iigs}"
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HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO="$(cd "$HERE/../../.." && pwd)"
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RUN_IN_MAME="$LLVM816_ROOT/scripts/runInMame.sh"
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[ -x "$RUN_IN_MAME" ] || { echo "clang-smoke: $RUN_IN_MAME missing" >&2; exit 1; }
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# runInMame.sh takes MAME and MAME_ROMPATH from the environment, so it
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# runs the installer's patched MAME against the installer's ROM set.
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export MAME
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export MAME_ROMPATH="$IIGS_ROMPATH"
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tmp="$(mktemp -d)"
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trap 'rm -rf "$tmp"' EXIT
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# gRowOffsetLut[5] = 5 * 160 = 800 = 0x0320. Publish it to a 24-bit
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# address MAME can read back (bank 2 is clear of IIgs ROM scribbling).
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cat > "$tmp/smoke.c" <<'EOF'
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#include <stdint.h>
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extern void iigsInitRowLut(void);
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extern uint16_t gRowOffsetLut[];
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int main(void) {
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iigsInitRowLut();
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*(volatile uint16_t *)0x025000 = gRowOffsetLut[5];
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return 0;
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}
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EOF
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# runInMame.sh raw-loads the image at $00:1000 and jumps there, so the
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# smoke needs a BARE binary -- NOT the ExpressLoad GS/OS OMF (crt0Gsos.o,
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# Loader-relocated) that clang-build.sh now emits. Build it directly with
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# the bare crt0.o at --text-base 0x1000. link816 dead-strips the unused
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# runtime, so offering libgcc/libc/extras is free.
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echo "[clang-smoke] building bare smoke.bin (crt0.o, --text-base 0x1000)"
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RT="$LLVM816_ROOT/runtime"
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CLANG="$LLVM816_ROOT/tools/llvm-mos-build/bin/clang"
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LLVM_MC="$LLVM816_ROOT/tools/llvm-mos-build/bin/llvm-mc"
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LINK="$LLVM816_ROOT/tools/link816"
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"$CLANG" --target=w65816 -O2 -ffreestanding -ffunction-sections \
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-I"$RT/include" -c "$tmp/smoke.c" -o "$tmp/smoke.o"
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"$LLVM_MC" -arch=w65816 -filetype=obj \
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"$REPO/src/iigs/joeyDraw.s" -o "$tmp/joeyDraw.o"
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"$LINK" -o "$tmp/smoke.bin" --text-base 0x1000 \
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"$RT/crt0.o" "$RT/libgcc.o" "$RT/libc.o" "$RT/extras.o" \
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"$tmp/smoke.o" "$tmp/joeyDraw.o"
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echo "[clang-smoke] running under MAME apple2gs, checking gRowOffsetLut[5] == 0x0320"
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bash "$RUN_IN_MAME" "$tmp/smoke.bin" --check 0x025000=0320
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echo "[clang-smoke] PASS"
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