Check the stack of the interrupted context during the multitasking start. Update #4955. --- .../testsuites/validation/validation-intr.yml | 3 + testsuites/validation/tc-score-isr.c | 225 ++++++++++++++++++ 2 files changed, 228 insertions(+) create mode 100644 testsuites/validation/tc-score-isr.c
diff --git a/spec/build/testsuites/validation/validation-intr.yml b/spec/build/testsuites/validation/validation-intr.yml index 1383aba2b3..2c478e6484 100644 --- a/spec/build/testsuites/validation/validation-intr.yml +++ b/spec/build/testsuites/validation/validation-intr.yml @@ -9,8 +9,10 @@ enabled-by: true features: c cprogram includes: [] ldflags: +- -Wl,--wrap=bsp_interrupt_dispatch - -Wl,--wrap=bsp_interrupt_handler_default - -Wl,--wrap=bsp_interrupt_spurious +- -Wl,--wrap=_SPARC_Interrupt_dispatch links: [] source: - testsuites/validation/tc-bsp-interrupt-handler-dispatch-unchecked.c @@ -27,6 +29,7 @@ source: - testsuites/validation/tc-intr-vector-disable.c - testsuites/validation/tc-intr-vector-enable.c - testsuites/validation/tc-intr-vector-is-enabled.c +- testsuites/validation/tc-score-isr.c - testsuites/validation/ts-validation-intr.c stlib: [] target: testsuites/validation/ts-validation-intr.exe diff --git a/testsuites/validation/tc-score-isr.c b/testsuites/validation/tc-score-isr.c new file mode 100644 index 0000000000..4374b1b130 --- /dev/null +++ b/testsuites/validation/tc-score-isr.c @@ -0,0 +1,225 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup ScoreIsrValIsr + */ + +/* + * Copyright (C) 2023 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This file is part of the RTEMS quality process and was automatically + * generated. If you find something that needs to be fixed or + * worded better please post a report or patch to an RTEMS mailing list + * or raise a bug report: + * + * https://www.rtems.org/bugs.html + * + * For information on updating and regenerating please refer to the How-To + * section in the Software Requirements Engineering chapter of the + * RTEMS Software Engineering manual. The manual is provided as a part of + * a release. For development sources please refer to the online + * documentation at: + * + * https://docs.rtems.org + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems.h> +#include <rtems/sysinit.h> +#include <rtems/score/percpu.h> +#include <rtems/score/thread.h> + +#include "tx-support.h" + +#include <rtems/test.h> + +/** + * @defgroup ScoreIsrValIsr spec:/score/isr/val/isr + * + * @ingroup TestsuitesValidationIntr + * + * @brief Tests general interrupt support behaviour. + * + * This test case performs the following actions: + * + * - Submit an ISR request during system initialization. Check the stack of + * the interrupted context while the ISR request is serviced. Store the + * result of the check in interrupted_stack_at_multitasking_start_is_valid. + * + * - Check that stack of the interrupted context was valid when an interrupt + * was serviced during the multitasking start. + * + * @{ + */ + +static uintptr_t interrupted_stack_at_multitasking_start; + +static bool interrupted_stack_at_multitasking_start_is_valid; + +#if defined(__aarch64__) +void __real_bsp_interrupt_dispatch( void ); + +void __wrap_bsp_interrupt_dispatch( void ); + +void __wrap_bsp_interrupt_dispatch( void ) +{ + if ( interrupted_stack_at_multitasking_start == 0 ) { + uintptr_t sp; + rtems_interrupt_level level; + + rtems_interrupt_local_disable( level ); + __asm__ volatile ( + "msr spsel, #0\n" + "mov %0, sp\n" + "msr spsel, #1" + : "=r" ( sp ) + ); + rtems_interrupt_local_enable( level ); + + interrupted_stack_at_multitasking_start = sp; + } + + __real_bsp_interrupt_dispatch(); +} +#endif + +#if defined(ARM_MULTILIB_ARCH_V4) +void __real_bsp_interrupt_dispatch( void ); + +void __wrap_bsp_interrupt_dispatch( void ); + +void __wrap_bsp_interrupt_dispatch( void ) +{ + register uintptr_t sp __asm__( "9" ); + + if ( interrupted_stack_at_multitasking_start == 0 ) { + interrupted_stack_at_multitasking_start = sp; + } + + __real_bsp_interrupt_dispatch(); +} +#endif + +#if defined(__sparc__) +void __real__SPARC_Interrupt_dispatch( uint32_t irq ); + +static RTEMS_USED void InterruptDispatch( uint32_t irq, uintptr_t sp ) +{ + if ( interrupted_stack_at_multitasking_start == 0 ) { + interrupted_stack_at_multitasking_start = sp; + } + + __real__SPARC_Interrupt_dispatch( irq ); +} + +__asm__ ( + "\t.section\t\".text\"\n" + "\t.align\t4\n" + "\t.globl\t__wrap__SPARC_Interrupt_dispatch\n" + "\t.type\t__wrap__SPARC_Interrupt_dispatch, #function\n" + "__wrap__SPARC_Interrupt_dispatch:\n" + "\tmov\t%fp, %o1\n" + "\tor\t%o7, %g0, %g1\n" + "\tcall\tInterruptDispatch, 0\n" + "\t or\t%g1, %g0, %o7\n" + "\t.previous\n" +); +#endif + +static void ISRHandler( void *arg ) +{ + uintptr_t begin; + uintptr_t end; + + (void) arg; + +#if defined(RTEMS_SMP) + Per_CPU_Control *cpu_self; + + cpu_self = _Per_CPU_Get(); + begin = (uintptr_t) &cpu_self->Interrupt_frame; + end = begin + sizeof( cpu_self->Interrupt_frame ); +#else + Thread_Control *executing; + + executing = GetExecuting(); + begin = (uintptr_t) executing->Start.Initial_stack.area; + end = begin + executing->Start.Initial_stack.size; +#endif + + interrupted_stack_at_multitasking_start_is_valid = + ( begin <= interrupted_stack_at_multitasking_start && + interrupted_stack_at_multitasking_start < end ); +} + +static CallWithinISRRequest isr_request = { + .handler = ISRHandler +}; + +static void SubmitISRRequest( void ) +{ + CallWithinISRSubmit( &isr_request ); +} + +RTEMS_SYSINIT_ITEM( + SubmitISRRequest, + RTEMS_SYSINIT_DEVICE_DRIVERS, + RTEMS_SYSINIT_ORDER_MIDDLE +); + +/** + * @brief Submit an ISR request during system initialization. Check the stack + * of the interrupted context while the ISR request is serviced. Store the + * result of the check in interrupted_stack_at_multitasking_start_is_valid. + */ +static void ScoreIsrValIsr_Action_0( void ) +{ + /* + * The actions are performed during system initialization and the + * multitasking start. + */ + + /* + * Check that stack of the interrupted context was valid when an interrupt + * was serviced during the multitasking start. + */ + T_true( interrupted_stack_at_multitasking_start_is_valid ); +} + +/** + * @fn void T_case_body_ScoreIsrValIsr( void ) + */ +T_TEST_CASE( ScoreIsrValIsr ) +{ + ScoreIsrValIsr_Action_0(); +} + +/** @} */ -- 2.35.3 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
