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/***************************************************************************
* Copyright (c) 2026 Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5.5).
* The AI-generated portions may be considered public domain (CC0-1.0)
* and not subject to the project's licence. The human contributor has
* reviewed and verified that the code is correct.
*
* SPDX-License-Identifier: MIT and CC0-1.0
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Test */
/** */
/** Module execution harness: protected module lifecycle */
/** */
/**************************************************************************/
/**************************************************************************/
/* A user-mode, memory-protected module is loaded, granted the shared area,
started, left to exercise the kernel through its dispatcher, stopped and
unloaded -- twice, so that the second cycle shows the first gave back what
it took. The module must run unprivileged and must not fault. */
#include "harness_checks.h"
#define LIFECYCLE_CYCLES ((ULONG) 2UL)
#define MODULE_WAIT_TICKS ((ULONG) 500UL)
#define PROTECTED_PROPERTIES ((ULONG) 0x02000007UL) /* GNU; user mode, memory protection, shared memory */
extern UCHAR module_services_protected[];
static TXM_MODULE_INSTANCE test_module;
VOID harness_test(VOID)
{
ULONG cycle;
ULONG available_before;
harness_print("Module lifecycle: protected module, load/start/stop/unload twice\n");
available_before = harness_module_pool_available();
for (cycle = 1UL; cycle <= LIFECYCLE_CYCLES; cycle++)
{
harness_value("cycle", cycle);
harness_shared_clear();
MODULE_SHARED[MODULE_IN_CYCLE] = cycle;
harness_expect("memory load", (ULONG) txm_module_manager_memory_load(&test_module, "services protected",
(VOID *) module_services_protected),
(ULONG) TX_SUCCESS);
harness_expect("module properties", test_module.txm_module_instance_property_flags, PROTECTED_PROPERTIES);
harness_expect("shared area grant", (ULONG) harness_shared_grant(&test_module), (ULONG) TX_SUCCESS);
harness_expect("module start", (ULONG) txm_module_manager_start(&test_module), (ULONG) TX_SUCCESS);
harness_expect("module finished", (ULONG) harness_wait_for_module(MODULE_WAIT_TICKS), (ULONG) TX_TRUE);
harness_check_services(cycle);
harness_expect("module ran unprivileged",
MODULE_SHARED[MODULE_OUT_CONTROL] & CONTROL_NPRIV, CONTROL_NPRIV);
harness_expect("no memory fault", harness_fault_count, 0UL);
harness_expect("module stop", (ULONG) txm_module_manager_stop(&test_module), (ULONG) TX_SUCCESS);
harness_expect("module unload", (ULONG) txm_module_manager_unload(&test_module), (ULONG) TX_SUCCESS);
harness_expect("module memory returned", harness_module_pool_available(), available_before);
}
}
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