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Integration Tests

This directory contains architecture-specific integration tests for uart_16550.

Layout

  • x86/: boots a tiny x86 guest and verifies 16550 access through port I/O.
  • riscv/: boots a tiny RISC-V guest on QEMU virt and verifies 16550 access through MMIO.

Usage

  • make: build all integration test guests.
  • make run: run all integration tests.
  • make run_x86: run the x86 tests only.
  • make run_riscv: run the RISC-V MMIO test only.
  • make clean: clean both test builds.

Notes

  • The x86 test covers QEMU directly and tries Cloud Hypervisor when the host supports it.
  • The RISC-V test uses QEMU's virt machine because it exposes an MMIO ns16550a UART at 0x1000_0000.