pc-testdev: add I/O port to test memory.c auto split/combine

The ports at 0xe8..0xeb have impl.min/max_access_size == 1, so
that memory accesses are split and combined by the memory core.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-29-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/tests/endianness-test.c b/tests/endianness-test.c
index ca666456bc..feb32a8503 100644
--- a/tests/endianness-test.c
+++ b/tests/endianness-test.c
@@ -190,6 +190,100 @@ static void test_endianness(gconstpointer data)
     g_free(args);
 }
 
+static void test_endianness_split(gconstpointer data)
+{
+    const TestCase *test = data;
+    char *args;
+
+    args = g_strdup_printf("-display none -M %s%s%s -device pc-testdev",
+                           test->machine,
+                           test->superio ? " -device " : "",
+                           test->superio ?: "");
+    qtest_start(args);
+    isa_outl(test, 0xe8, 0x87654321);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
+
+    isa_outw(test, 0xea, 0x8866);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664321);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
+    g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
+
+    isa_outw(test, 0xe8, 0x4422);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664422);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
+    g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
+
+    isa_outb(test, 0xeb, 0x87);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87664422);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8766);
+
+    isa_outb(test, 0xea, 0x65);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654422);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
+
+    isa_outb(test, 0xe9, 0x43);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654322);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4322);
+
+    isa_outb(test, 0xe8, 0x21);
+    g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
+    g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
+    qtest_quit(global_qtest);
+    g_free(args);
+}
+
+static void test_endianness_combine(gconstpointer data)
+{
+    const TestCase *test = data;
+    char *args;
+
+    args = g_strdup_printf("-display none -M %s%s%s -device pc-testdev",
+                           test->machine,
+                           test->superio ? " -device " : "",
+                           test->superio ?: "");
+    qtest_start(args);
+    isa_outl(test, 0xe0, 0x87654321);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
+
+    isa_outw(test, 0xe2, 0x8866);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664321);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866);
+    g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
+
+    isa_outw(test, 0xe0, 0x4422);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664422);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866);
+    g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422);
+
+    isa_outb(test, 0xe3, 0x87);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87664422);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8766);
+
+    isa_outb(test, 0xe2, 0x65);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654422);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422);
+
+    isa_outb(test, 0xe1, 0x43);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654322);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4322);
+
+    isa_outb(test, 0xe0, 0x21);
+    g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
+    g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
+    g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
+    qtest_quit(global_qtest);
+    g_free(args);
+}
+
 int main(int argc, char **argv)
 {
     const char *arch = qtest_get_arch();
@@ -206,6 +300,14 @@ int main(int argc, char **argv)
         path = g_strdup_printf("/%s/endianness/%s",
                                arch, test_cases[i].machine);
         g_test_add_data_func(path, &test_cases[i], test_endianness);
+
+        path = g_strdup_printf("/%s/endianness/split/%s",
+                               arch, test_cases[i].machine);
+        g_test_add_data_func(path, &test_cases[i], test_endianness_split);
+
+        path = g_strdup_printf("/%s/endianness/combine/%s",
+                               arch, test_cases[i].machine);
+        g_test_add_data_func(path, &test_cases[i], test_endianness_combine);
     }
 
     ret = g_test_run();