[Qemu-ppc] [PATCH] boot-order-test: Add tests for PowerMacs

[Andreas Färber]

They set the boot device via fw_cfg, which is then translated to a boot
path of "hd" or "cd" in OpenBIOS.

Signed-off-by: Andreas Färber <address@hidden>
Cc: Markus Armbruster <address@hidden>
Cc: Alexander Graf <address@hidden>
Cc: address@hidden
---
 tests/Makefile          |    2 ++
 tests/boot-order-test.c |   66 ++++++++++++++++++++++++++++++++++++++++++++++-
 2 Dateien geändert, 67 Zeilen hinzugefügt(+), 1 Zeile entfernt(-)

diff --git a/tests/Makefile b/tests/Makefile
index 1305642..f84d466 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -76,6 +76,8 @@ gcov-files-sparc-y += hw/m48t59.c
 gcov-files-sparc64-y += hw/m48t59.c
 check-qtest-arm-y = tests/tmp105-test$(EXESUF)
 gcov-files-arm-y += hw/tmp105.c
+check-qtest-ppc-y += tests/boot-order-test$(EXESUF)
+check-qtest-ppc64-y += tests/boot-order-test$(EXESUF)
 
 GENERATED_HEADERS += tests/test-qapi-types.h tests/test-qapi-visit.h 
tests/test-qmp-commands.h
 
diff --git a/tests/boot-order-test.c b/tests/boot-order-test.c
index 60412ad..84dd694 100644
--- a/tests/boot-order-test.c
+++ b/tests/boot-order-test.c
@@ -14,8 +14,10 @@
  * Covers only PC.  Better than nothing.  Improvements welcome.
  */
 
+#include <string.h>
 #include <glib.h>
 #include "libqtest.h"
+#include "qemu/bswap.h"
 
 static void test_cmos_byte(int reg, int expected)
 {
@@ -61,11 +63,73 @@ static void test_pc_boot_order(void)
                       0, 0x02, 0x30, 0x12);
 }
 
+#define G3BEIGE_CFG_ADDR 0xf0000510
+#define MAC99_CFG_ADDR   0xf0000510
+
+#define NO_QEMU_PROTOS
+#include "hw/fw_cfg.h"
+#undef NO_QEMU_PROTOS
+
+static void powermac_fw_cfg_read(bool newworld, uint16_t cmd,
+                                 uint8_t *buf, unsigned int len)
+{
+    unsigned int i;
+
+    writew(newworld ? MAC99_CFG_ADDR : G3BEIGE_CFG_ADDR, cmd);
+    for (i = 0; i < len; i++) {
+        buf[i] = readb((newworld ? MAC99_CFG_ADDR : G3BEIGE_CFG_ADDR) + 2);
+    }
+}
+
+static uint16_t powermac_fw_cfg_read16(bool newworld, uint16_t cmd)
+{
+    uint16_t value;
+
+    powermac_fw_cfg_read(newworld, cmd, (uint8_t *)&value, sizeof(value));
+    return le16_to_cpu(value);
+}
+
+static void test_powermac_with_args(bool newworld, const char *extra_args,
+                                    uint16_t expected_boot,
+                                    uint16_t expected_reboot)
+{
+    char *args = g_strdup_printf("-nodefaults -display none -machine %s %s",
+                                 newworld ? "mac99" : "g3beige", extra_args);
+    uint16_t actual;
+    qtest_start(args);
+    actual = powermac_fw_cfg_read16(newworld, FW_CFG_BOOT_DEVICE);
+    g_assert_cmphex(actual, ==, expected_boot);
+    qmp("{ 'execute': 'system_reset' }");
+    actual = powermac_fw_cfg_read16(newworld, FW_CFG_BOOT_DEVICE);
+    g_assert_cmphex(actual, ==, expected_reboot);
+    qtest_quit(global_qtest);
+    g_free(args);
+}
+
+static void test_powermac_boot_order(void)
+{
+    int i;
+
+    for (i = 0; i < 2; i++) {
+        bool newworld = (i == 1);
+
+        test_powermac_with_args(newworld, "", 'c', 'c');
+        test_powermac_with_args(newworld, "-boot c", 'c', 'c');
+        test_powermac_with_args(newworld, "-boot d", 'd', 'd');
+    }
+}
+
 int main(int argc, char *argv[])
 {
+    const char *arch = qtest_get_arch();
+
     g_test_init(&argc, &argv, NULL);
 
-    qtest_add_func("boot-order/pc", test_pc_boot_order);
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        qtest_add_func("boot-order/pc", test_pc_boot_order);
+    } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
+        qtest_add_func("boot-order/powermac", test_powermac_boot_order);
+    }
 
     return g_test_run();
 }
-- 
1.7.10.4