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[Qemu-devel] [PATCH 5/8] sdhci: add check_capab_readonly() qtest


From: Philippe Mathieu-Daudé
Subject: [Qemu-devel] [PATCH 5/8] sdhci: add check_capab_readonly() qtest
Date: Wed, 13 Dec 2017 23:00:22 -0300

read the CAPAB register.

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 tests/sdhci-test.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
index 4ebe1e349b..01373a69df 100644
--- a/tests/sdhci-test.c
+++ b/tests/sdhci-test.c
@@ -9,6 +9,7 @@
 #include "qemu/osdep.h"
 #include "libqtest.h"
 
+#define SDHC_CAPAB                      0x40
 #define SDHC_HCVER                      0xFE
 
 static const struct sdhci_t {
@@ -36,6 +37,20 @@ static uint32_t sdhci_readl(uintptr_t base, uint32_t 
reg_addr)
     return qtest_readl(qtest, base + reg_addr);
 }
 
+static uint64_t sdhci_readq(uintptr_t base, uint32_t reg_addr)
+{
+    QTestState *qtest = global_qtest;
+
+    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;
@@ -46,6 +61,20 @@ static void check_specs_version(uintptr_t addr, uint8_t 
version)
     g_assert_cmpuint(v, ==, version);
 }
 
+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;
@@ -53,6 +82,7 @@ static void test_machine(const void *data)
     global_qtest = qtest_startf("-machine %s -d unimp", test->machine);
 
     check_specs_version(test->sdhci.addr, test->sdhci.version);
+    check_capab_readonly(test->sdhci.addr);
 
     qtest_quit(global_qtest);
 }
-- 
2.15.1




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