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X-Received-From: 94.100.179.251 Subject: [Qemu-devel] [PATCH v2 4/4] 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?= , Stefan Hajnoczi , 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) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 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: <20180806100114.21410-6-contrib@steffen-goertz.de> Signed-off-by: Julia Suvorova --- tests/microbit-test.c | 106 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 103 insertions(+), 3 deletions(-) diff --git a/tests/microbit-test.c b/tests/microbit-test.c index 08e2210916..8b69d83684 100644 --- a/tests/microbit-test.c +++ b/tests/microbit-test.c @@ -17,7 +17,10 @@ #include "qemu/osdep.h" #include "exec/hwaddr.h" #include "libqtest.h" +#include "hw/char/nrf51_uart.h" =20 +#include +#include =20 #define PAGE_SIZE 1024 #define FLASH_SIZE (256 * PAGE_SIZE) @@ -48,7 +51,6 @@ #define GPIO_PULLDOWN 1 #define GPIO_PULLUP 3 =20 - static void fill_and_erase(hwaddr base, hwaddr size, uint32_t address_reg) { /* Fill memory */ @@ -204,19 +206,117 @@ static void test_nrf51_gpio(void) g_assert_false(true); } =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(UART_BASE + A_UART_RXDRDY)); + out[i] =3D readl(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(UART_BASE + A_UART_TXD, in[i]); + g_assert(wait_for_event(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(UART_BASE + A_UART_RXD) =3D=3D 0); + + writel(UART_BASE + A_UART_ENABLE, 0x04); + writel(UART_BASE + A_UART_STARTRX, 0x01); + + g_assert(wait_for_event(UART_BASE + A_UART_RXDRDY)); + writel(UART_BASE + A_UART_RXDRDY, 0x00); + g_assert(readl(UART_BASE + A_UART_RXD) =3D=3D 'c'); + + writel(UART_BASE + A_UART_INTENSET, 0x04); + g_assert(readl(UART_BASE + A_UART_INTEN) =3D=3D 0x04); + writel(UART_BASE + A_UART_INTENCLR, 0x04); + g_assert(readl(UART_BASE + A_UART_INTEN) =3D=3D 0x00); + + rw_to_rxd(sock_fd, "hello", s); + g_assert(strcmp(s, "hello") =3D=3D 0); + + writel(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(UART_BASE + A_UART_SUSPEND, 0x01); + writel(UART_BASE + A_UART_TXD, 'h'); + writel(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); +} + int main(int argc, char **argv) { int ret; + char serialtmpdir[] =3D "/tmp/qtest-microbit-serial-sXXXXXX"; + char serialtmp[40]; + int sock_fd; + 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_startf("-machine microbit"); + global_qtest =3D qtest_startf("-machine microbit " + "-chardev socket,id=3Ds0,path=3D%s,server,= nowait " + "-no-shutdown -serial chardev:s0", + serialtmp); + + g_assert(connect(sock_fd, (const struct sockaddr *) &addr, + sizeof(struct sockaddr_un)) !=3D -1); =20 qtest_add_func("/microbit/nrf51/nvmc", test_nrf51_nvmc); qtest_add_func("/microbit/nrf51/gpio", test_nrf51_gpio); - + qtest_add_data_func("/microbit/nrf51/uart", &sock_fd, test_nrf51_uart); ret =3D g_test_run(); =20 qtest_quit(global_qtest); + + close(sock_fd); + rmdir(serialtmpdir); + return ret; } --=20 2.17.1