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tests: kernel: interrupt: Clean up dynamic_isr test

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This commit cleans up the dynamic ISR test and adds a documentation
comment for it.

Signed-off-by: Stephanos Ioannidis <root@stephanos.io>
This commit is contained in:
Stephanos Ioannidis 2020-03-29 00:22:53 +09:00 • committed by Ioannis Glaropoulos
commit 6820fdf0fb
1 changed files with 19 additions and 18 deletions
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37
tests/kernel/interrupt/src/dynamic_isr.c
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@ -6,25 +6,26 @@
#include <ztest.h>
#if defined(CONFIG_DYNAMIC_INTERRUPTS) && defined(CONFIG_GEN_SW_ISR_TABLE)
extern struct _isr_table_entry __sw_isr_table _sw_isr_table[];
extern void z_irq_spurious(void *unused);
/* Simple whitebox test of dynamic interrupt handlers as implemented
* by the GEN_SW_ISR feature.
*/
#if (defined(CONFIG_DYNAMIC_INTERRUPTS) \
&& defined(CONFIG_GEN_SW_ISR_TABLE))
#define DYNTEST 1
#endif
#ifdef DYNTEST
static void dyn_isr(void *arg)
{
ARG_UNUSED(arg);
}
extern struct _isr_table_entry __sw_isr_table _sw_isr_table[];
static void do_isr_dynamic(void)
/**
* @brief Test dynamic ISR installation
*
* @ingroup kernel_interrupt_tests
*
* This routine locates an unused entry in the software ISR table, installs a
* dynamic ISR to the unused entry by calling the `arch_irq_connect_dynamic`
* function, and verifies that the ISR is successfully installed by checking
* the software ISR table entry.
*/
void test_isr_dynamic(void)
{
int i;
void *argval;
@ -38,6 +39,9 @@ static void do_isr_dynamic(void)
zassert_true(_sw_isr_table[i].isr == z_irq_spurious,
"could not find slot for dynamic isr");
printk("installing dynamic ISR for IRQ %d\n",
CONFIG_GEN_IRQ_START_VECTOR + i);
argval = &i;
arch_irq_connect_dynamic(i + CONFIG_GEN_IRQ_START_VECTOR, 0, dyn_isr,
argval, 0);
@ -46,13 +50,10 @@ static void do_isr_dynamic(void)
_sw_isr_table[i].arg == argval,
"dynamic isr did not install successfully");
}
#endif /* DYNTEST */
#else
/* Skip the dynamic interrupt test for the platforms that do not support it */
void test_isr_dynamic(void)
{
#ifdef DYNTEST
do_isr_dynamic();
#else
ztest_test_skip();
#endif
}
#endif /* CONFIG_DYNAMIC_INTERRUPTS && CONFIG_GEN_SW_ISR_TABLE */