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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2023 embedded brains GmbH & Co. KG
enabled-by: true
links: []
test-actions:
- action-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.
action-code: |
/*
* The actions are performed during system initialization and the
* multitasking start.
*/
checks:
- brief: |
Check that stack of the interrupted context was valid when an interrupt
was serviced during the multitasking start.
code: |
T_true( interrupted_stack_at_multitasking_start_is_valid );
links:
- role: validation
uid: ../req/stack-at-start-multitasking-heir
- role: validation
uid: ../req/stack-at-start-multitasking-per-cpu
links: []
test-brief: |
Tests general interrupt support behaviour.
test-context: []
test-context-support: null
test-description: null
test-header: null
test-includes:
- rtems.h
- rtems/sysinit.h
- rtems/score/thread.h
- rtems/score/percpu.h
test-local-includes:
- tx-support.h
test-setup: null
test-stop: null
test-support: |
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, #1\n"
"mov %0, sp\n"
"msr spsel, #0"
: "=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(__microblaze__)
void __real_bsp_interrupt_dispatch( uint32_t source );
void __wrap_bsp_interrupt_dispatch( uint32_t source );
void __wrap_bsp_interrupt_dispatch( uint32_t source )
{
register uintptr_t sp __asm__( "1" );
if ( interrupted_stack_at_multitasking_start == 0 ) {
interrupted_stack_at_multitasking_start = sp;
}
__real_bsp_interrupt_dispatch( source );
}
#endif
#if defined(__PPC__) || defined(__powerpc64__)
void __real_bsp_interrupt_dispatch( void );
void __wrap_bsp_interrupt_dispatch( void );
void __wrap_bsp_interrupt_dispatch( void )
{
register uintptr_t sp __asm__( "14" );
if ( interrupted_stack_at_multitasking_start == 0 ) {
interrupted_stack_at_multitasking_start = sp;
}
__real_bsp_interrupt_dispatch();
}
#endif
#if defined(__riscv)
void __real__RISCV_Interrupt_dispatch(
uintptr_t mcause,
Per_CPU_Control *cpu_self
);
void __wrap__RISCV_Interrupt_dispatch(
uintptr_t mcause,
Per_CPU_Control *cpu_self
);
void __wrap__RISCV_Interrupt_dispatch(
uintptr_t mcause,
Per_CPU_Control *cpu_self
)
{
register uintptr_t sp __asm__( "s1" );
if ( interrupted_stack_at_multitasking_start == 0 ) {
interrupted_stack_at_multitasking_start = sp;
}
__real__RISCV_Interrupt_dispatch( mcause, cpu_self );
}
#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) && !(defined(__PPC__) || (__powerpc64__))
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_LAST
);
test-target: testsuites/validation/tc-score-isr.c
test-teardown: null
type: test-case
|
