[11/20] sdcard: Add test_sd_request_frame_crc7() qtest (request command CRC7)

Commit Message

Philippe Mathieu-Daudé May 4, 2018, 3:59 p.m. UTC

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 tests/sdcard-test.c    | 54 ++++++++++++++++++++++++++++++++++++++++++
 tests/Makefile.include |  2 ++
 2 files changed, 56 insertions(+)
 create mode 100644 tests/sdcard-test.c

Patch

diff --git a/tests/sdcard-test.c b/tests/sdcard-test.c
new file mode 100644
index 0000000000..1358ee28c6
--- /dev/null
+++ b/tests/sdcard-test.c
@@ -0,0 +1,54 @@ 
+/*
+ * QTest testcase for SD protocol and cards
+ *
+ * Examples taken from:
+ *
+ * - Physical Layer Simplified Specification (chap. 4.5: Cyclic Redundancy Code)
+ * - http://wiki.seabright.co.nz/wiki/SdCardProtocol.html
+ *
+ * Tests written by Philippe Mathieu-Daudé <[e-mail]>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "hw/sd/sd.h"
+
+static void sd_prepare_request48(SDFrame48 *frame, uint8_t cmd, uint32_t arg)
+{
+    sd_prepare_request(frame, cmd, arg, /* gen_crc */ true);
+}
+
+static void test_sd_request_frame_crc7(void)
+{
+    SDFrame48 frame;
+
+    /* CMD0 */
+    sd_prepare_request48(&frame, 0, 0);
+    g_assert_cmphex(frame.crc, ==, 0b1001010);
+
+    /* CMD17 */
+    sd_prepare_request48(&frame, 17, 0);
+    g_assert_cmphex(frame.crc, ==, 0b0101010);
+
+    /* APP_CMD */
+    sd_prepare_request48(&frame, 55, 0);
+    g_assert_cmphex(frame.crc, ==, 0x32);
+
+    /* ACMD41 SEND_OP_COND */
+    sd_prepare_request48(&frame, 41, 0x00100000);
+    g_assert_cmphex(frame.crc, ==, 0x5f >> 1);
+
+    /* CMD2 ALL_SEND_CID */
+    sd_prepare_request48(&frame, 2, 0);
+    g_assert_cmphex(frame.crc, ==, 0x4d >> 1);
+}
+
+int main(int argc, char *argv[])
+{
+    g_test_init(&argc, &argv, NULL);
+
+    qtest_add_func("sd/req_crc7", test_sd_request_frame_crc7);
+
+    return g_test_run();
+}
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 3b9a5e31a2..6a70a1dbab 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -380,6 +380,7 @@  check-qtest-arm-y += tests/test-arm-mptimer$(EXESUF)
 gcov-files-arm-y += hw/timer/arm_mptimer.c
 check-qtest-arm-y += tests/boot-serial-test$(EXESUF)
 check-qtest-arm-y += tests/sdhci-test$(EXESUF)
+check-qtest-arm-y += tests/sdcard-test$(EXESUF)
 
 check-qtest-aarch64-y = tests/numa-test$(EXESUF)
 check-qtest-aarch64-y += tests/sdhci-test$(EXESUF)
@@ -835,6 +836,7 @@  tests/test-qapi-util$(EXESUF): tests/test-qapi-util.o $(test-util-obj-y)
 tests/numa-test$(EXESUF): tests/numa-test.o
 tests/vmgenid-test$(EXESUF): tests/vmgenid-test.o tests/boot-sector.o tests/acpi-utils.o
 tests/sdhci-test$(EXESUF): tests/sdhci-test.o $(libqos-pc-obj-y)
+tests/sdcard-test$(EXESUF): tests/sdcard-test.o hw/sd/sdmmc-internal.o
 
 tests/migration/stress$(EXESUF): tests/migration/stress.o
 	$(call quiet-command, $(LINKPROG) -static -O3 $(PTHREAD_LIB) -o $@ $< ,"LINK","$(TARGET_DIR)$@")