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X-Received-From: 94.100.177.91 Subject: [Qemu-devel] [PATCH v3] tests/microbit-test: Check nRF51 UART functionality X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Julia Suvorova via Qemu-devel Reply-To: Julia Suvorova Cc: Peter Maydell , Jim Mussared , =?UTF-8?q?Steffen=20G=C3=B6rtz?= , Thomas Huth , Joel Stanley , Stefan Hajnoczi , Paolo Bonzini , Julia Suvorova Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Some functional tests for: Basic reception/transmittion Suspending INTEN* registers Based-on: <20181031002526.14262-1-contrib@steffen-goertz.de> Signed-off-by: Julia Suvorova --- This patch was part of nRF51 UART patchset, but wasn't included in the late= st revision. Due to upcoming loader fixes, we need this test instead of boot-serial-test, which doesn't support -device loader. v3: * Fix directory leak [Stefan] tests/microbit-test.c | 109 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 107 insertions(+), 2 deletions(-) diff --git a/tests/microbit-test.c b/tests/microbit-test.c index ab319eb466..23d343cfdd 100644 --- a/tests/microbit-test.c +++ b/tests/microbit-test.c @@ -21,9 +21,87 @@ #include "hw/arm/nrf51.h" #include "hw/nvram/nrf51_nvm.h" #include "hw/gpio/nrf51_gpio.h" +#include "hw/char/nrf51_uart.h" + +#include +#include =20 #define FLASH_SIZE (256 * NRF51_PAGE_SIZE) =20 +static bool wait_for_event(uint32_t event_addr) +{ + int i; + + for (i =3D 0; i < 1000; i++) { + if (readl(event_addr) =3D=3D 1) { + writel(event_addr, 0x00); + return true; + } + g_usleep(10000); + } + + return false; +} + +static void rw_to_rxd(int sock_fd, const char *in, char *out) +{ + int i; + + g_assert(write(sock_fd, in, strlen(in)) =3D=3D strlen(in)); + for (i =3D 0; i < strlen(in); i++) { + g_assert(wait_for_event(NRF51_UART_BASE + A_UART_RXDRDY)); + out[i] =3D readl(NRF51_UART_BASE + A_UART_RXD); + } + out[i] =3D '\0'; +} + +static void w_to_txd(const char *in) +{ + int i; + + for (i =3D 0; i < strlen(in); i++) { + writel(NRF51_UART_BASE + A_UART_TXD, in[i]); + g_assert(wait_for_event(NRF51_UART_BASE + A_UART_TXDRDY)); + } +} + +static void test_nrf51_uart(const void *data) +{ + int sock_fd =3D *((const int *) data); + char s[10]; + + g_assert(write(sock_fd, "c", 1) =3D=3D 1); + g_assert(readl(NRF51_UART_BASE + A_UART_RXD) =3D=3D 0); + + writel(NRF51_UART_BASE + A_UART_ENABLE, 0x04); + writel(NRF51_UART_BASE + A_UART_STARTRX, 0x01); + + g_assert(wait_for_event(NRF51_UART_BASE + A_UART_RXDRDY)); + writel(NRF51_UART_BASE + A_UART_RXDRDY, 0x00); + g_assert(readl(NRF51_UART_BASE + A_UART_RXD) =3D=3D 'c'); + + writel(NRF51_UART_BASE + A_UART_INTENSET, 0x04); + g_assert(readl(NRF51_UART_BASE + A_UART_INTEN) =3D=3D 0x04); + writel(NRF51_UART_BASE + A_UART_INTENCLR, 0x04); + g_assert(readl(NRF51_UART_BASE + A_UART_INTEN) =3D=3D 0x00); + + rw_to_rxd(sock_fd, "hello", s); + g_assert(strcmp(s, "hello") =3D=3D 0); + + writel(NRF51_UART_BASE + A_UART_STARTTX, 0x01); + w_to_txd("d"); + g_assert(read(sock_fd, s, 10) =3D=3D 1); + g_assert(s[0] =3D=3D 'd'); + + writel(NRF51_UART_BASE + A_UART_SUSPEND, 0x01); + writel(NRF51_UART_BASE + A_UART_TXD, 'h'); + writel(NRF51_UART_BASE + A_UART_STARTTX, 0x01); + w_to_txd("world"); + g_assert(read(sock_fd, s, 10) =3D=3D 5); + g_assert(strcmp(s, "world") =3D=3D 0); +} + + static void fill_and_erase(hwaddr base, hwaddr size, uint32_t address_reg) { /* Fill memory */ @@ -223,17 +301,44 @@ static void test_nrf51_gpio(void) =20 int main(int argc, char **argv) { - int ret; + int ret, sock_fd; + char serialtmpdir[] =3D "/tmp/qtest-microbit-serial-sXXXXXX"; + char serialtmp[40]; + struct sockaddr_un addr; + + g_assert(mkdtemp(serialtmpdir)); + sprintf(serialtmp, "%s/sock", serialtmpdir); + + sock_fd =3D socket(AF_UNIX, SOCK_STREAM, 0); + g_assert(sock_fd !=3D -1); + + memset(&addr, 0, sizeof(struct sockaddr_un)); + + addr.sun_family =3D AF_UNIX; + strncpy(addr.sun_path, serialtmp, sizeof(addr.sun_path) - 1); =20 g_test_init(&argc, &argv, NULL); =20 - global_qtest =3D qtest_initf("-machine microbit"); + global_qtest =3D qtest_initf("-machine microbit " + "-chardev socket,id=3Ds0,path=3D%s,server,n= owait " + "-no-shutdown -serial chardev:s0", + serialtmp); + + g_assert(connect(sock_fd, (const struct sockaddr *) &addr, + sizeof(struct sockaddr_un)) !=3D -1); =20 + unlink(serialtmp); + rmdir(serialtmpdir); + + qtest_add_data_func("/microbit/nrf51/uart", &sock_fd, test_nrf51_uart); qtest_add_func("/microbit/nrf51/nvmc", test_nrf51_nvmc); qtest_add_func("/microbit/nrf51/gpio", test_nrf51_gpio); =20 ret =3D g_test_run(); =20 qtest_quit(global_qtest); + + close(sock_fd); + return ret; } --=20 2.17.1