add basic user-space tests with qemu

* configure.ac: move test fragment to have USER32
* tests/Makefrag.am: add user tests
* tests/README: add basic info on how to run and debug user tests
* tests/configfrag.ac: allow the test compiler/flags to be
  autoconfigured or customized
* tests/grub.cfg.single.template: add minimal grub config to boot a
  module
* tests/include/device/cons.h: add a simplified version of
  device/cons.h usable for tests
* tests/include/kern/printf.h: symlink to kern/printf.h
* tests/include/mach/mig_support.h: add basic version for user-space
  tests
* tests/include/syscalls.h: add prototypes for syscalls used in tests.
* tests/include/testlib.h: add definitions for common test
  functionalities
* tests/include/util/atoi.h: symlink to util/atoi.h
* tests/run-qemu.sh.template: add a simple qemu test runner
* tests/start.S: add arch-specific entry point
* tests/syscalls.S: generate syscalls entry points
* tests/test-hello.c: add basic smoke test
* tests/testlib.c: add the minimal functionality to run a user-space
  executable and reboot the system, and some test helpers.
* tests/user-qemu.mk: add rules to build simple user-space test
  modules, including generating mig stubs. The tests reuse some kernel
  code (like printf(), mach_atoi(), mem*(), str*() functions) so we can
  use the freestanding environment and not depend on glibc.
Message-ID: <20240111210907.419689-1-luca@orpolo.org>

1 files changed, 9 insertions, 2 deletions

diff --git a/tests/Makefrag.am b/tests/Makefrag.am
index 2723f64a..88c7fe8c 100644
--- a/tests/Makefrag.am
+++ b/tests/Makefrag.am
@@ -21,6 +21,13 @@
 #
 
 if !PLATFORM_xen
+
+include tests/user-qemu.mk
+
 TESTS += \
-	tests/test-multiboot
-endif
+	tests/test-multiboot \
+	$(USER_TESTS)
+
+clean-local: $(USER_TESTS_CLEAN)
+
+endif # !PLATFORM_xen