From 397424f87f6b80b351d38438110cf5caf86cc05b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?In=C3=A8s=20Varhol?= Date: Mon, 26 Feb 2024 14:07:23 +0000 Subject: [PATCH] tests/qtest: Check that EXTI fan-in irqs are correctly connected MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This commit adds a QTest that verifies each input line of a specific EXTI OR gate can influence the output line. Signed-off-by: Inès Varhol Reviewed-by: Peter Maydell Message-id: 20240220184145.106107-3-ines.varhol@telecom-paris.fr Signed-off-by: Peter Maydell --- tests/qtest/stm32l4x5_exti-test.c | 37 +++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/tests/qtest/stm32l4x5_exti-test.c b/tests/qtest/stm32l4x5_exti-test.c index c390077713..81830be8ae 100644 --- a/tests/qtest/stm32l4x5_exti-test.c +++ b/tests/qtest/stm32l4x5_exti-test.c @@ -31,6 +31,7 @@ #define EXTI0_IRQ 6 #define EXTI1_IRQ 7 +#define EXTI5_9_IRQ 23 #define EXTI35_IRQ 1 static void enable_nvic_irq(unsigned int n) @@ -499,6 +500,40 @@ static void test_interrupt(void) g_assert_false(check_nvic_pending(EXTI1_IRQ)); } +static void test_orred_interrupts(void) +{ + /* + * For lines EXTI5..9 (fanned-in to NVIC irq 23), + * test that raising the line pends interrupt + * 23 in NVIC. + */ + enable_nvic_irq(EXTI5_9_IRQ); + /* Check that there are no interrupts already pending in PR */ + g_assert_cmpuint(exti_readl(EXTI_PR1), ==, 0x00000000); + /* Check that this specific interrupt isn't pending in NVIC */ + g_assert_false(check_nvic_pending(EXTI5_9_IRQ)); + + /* Enable interrupt lines EXTI[5..9] */ + exti_writel(EXTI_IMR1, (0x1F << 5)); + + /* Configure interrupt on rising edge */ + exti_writel(EXTI_RTSR1, (0x1F << 5)); + + /* Raise GPIO line i, check that the interrupt is pending */ + for (unsigned i = 5; i < 10; i++) { + exti_set_irq(i, 1); + g_assert_cmpuint(exti_readl(EXTI_PR1), ==, 1 << i); + g_assert_true(check_nvic_pending(EXTI5_9_IRQ)); + + exti_writel(EXTI_PR1, 1 << i); + g_assert_cmpuint(exti_readl(EXTI_PR1), ==, 0x00000000); + g_assert_true(check_nvic_pending(EXTI5_9_IRQ)); + + unpend_nvic_irq(EXTI5_9_IRQ); + g_assert_false(check_nvic_pending(EXTI5_9_IRQ)); + } +} + int main(int argc, char **argv) { int ret; @@ -515,6 +550,8 @@ int main(int argc, char **argv) qtest_add_func("stm32l4x5/exti/masked_interrupt", test_masked_interrupt); qtest_add_func("stm32l4x5/exti/interrupt", test_interrupt); qtest_add_func("stm32l4x5/exti/test_edge_selector", test_edge_selector); + qtest_add_func("stm32l4x5/exti/test_orred_interrupts", + test_orred_interrupts); qtest_start("-machine b-l475e-iot01a"); ret = g_test_run();