Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
---
tests/sdhci-test.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index f7487808af..0443a23e45 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -60,6 +60,13 @@ static uint64_t sdhci_readq(uintptr_t base, uint32_t
reg_addr)
return qtest_readq(qtest, base + reg_addr);
}
+static void sdhci_writeq(uintptr_t base, uint32_t reg_addr, uint64_t value)
+{
+ QTestState *qtest = global_qtest;
+
+ qtest_writeq(qtest, base + reg_addr, value);
+}
+
static void check_specs_version(uintptr_t addr, uint8_t version)
{
uint32_t v;
@@ -78,6 +85,20 @@ static void check_capab_capareg(uintptr_t addr, uint64_t
expected_capab)
g_assert_cmphex(capab, ==, expected_capab);
}
+static void check_capab_readonly(uintptr_t addr)
+{
+ const uint64_t vrand = 0x123456789abcdef;
+ uint64_t capab0, capab1;
+
+ capab0 = sdhci_readq(addr, SDHC_CAPAB);
+ g_assert_cmpuint(capab0, !=, vrand);
+
+ sdhci_writeq(addr, SDHC_CAPAB, vrand);
+ capab1 = sdhci_readq(addr, SDHC_CAPAB);
+ g_assert_cmpuint(capab1, !=, vrand);
+ g_assert_cmpuint(capab1, ==, capab0);
+}
+
static void test_machine(const void *data)
{
const struct sdhci_t *test = data;
@@ -86,6 +107,7 @@ static void test_machine(const void *data)
check_capab_capareg(test->sdhci.addr, test->sdhci.capab.reg);
check_specs_version(test->sdhci.addr, test->sdhci.version);
+ check_capab_readonly(test->sdhci.addr);
qtest_quit(global_qtest);
}
--
2.15.1
