LinxISA musl libc

Scope

lib/musl is the primary libc lane for LinxISA bring-up and SPEC-focused userspace/runtime validation.

Upstream

• Repository: https://github.com/LinxISA/musl
• Merge-back target branch: master

What This Submodule Owns

• LinxISA musl port (arch/linx64)
• Phase-based sysroot generation (phase-a/b/c)
• Bring-up libc used by AVS runtime and SPEC flows

Canonical Build and Test Commands

Run from /Users/zhoubot/linx-isa.

MODE=phase-c bash /Users/zhoubot/linx-isa/lib/musl/tools/linx/build_linx64_musl.sh

python3 /Users/zhoubot/linx-isa/avs/qemu/run_musl_smoke.py \
  --mode phase-c \
  --link both \
  --qemu /Users/zhoubot/linx-isa/emulator/qemu/build/qemu-system-linx64

LinxISA Integration Touchpoints

• Runtime lane and smoke tests in /Users/zhoubot/linx-isa/avs/qemu
• C/C++ runtime overlay generation in /Users/zhoubot/linx-isa/tools/build_linx_llvm_cpp_runtimes.sh
• SPEC toolchain/sysroot dependency path

Related Docs

• /Users/zhoubot/linx-isa/docs/project/navigation.md
• /Users/zhoubot/linx-isa/docs/bringup/libc_status.md
• /Users/zhoubot/linx-isa/docs/bringup/