commit 679cdf4e33ca12896f6a82b45011c881d2dd18d0
author Andrew Walbran <qwandor@google.com> Tue Sep 18 15:36:17 2018 +0100
committer Andrew Walbran <qwandor@google.com> Mon Oct 01 12:04:45 2018 +0000
tree 68e4318434030d43bc61288bbdaa49bb749b5432
parent 0c9ca205f34f145a80f7357c9e6e014f94e1a42f

Adding a unit test for fdt_get_boot_params, and fakes to support it.

Bug: 114733240
Change-Id: I87db5e69e257a9b806fc23020d38a304c045e400

src/fdt_handler_test.cc

diff --git a/src/fdt_handler_test.cc b/src/fdt_handler_test.cc
new file mode 100644
index 0000000..0e039bb
--- /dev/null
+++ b/src/fdt_handler_test.cc
@@ -0,0 +1,84 @@
+extern "C" {
+#include "hf/fdt_handler.h"
+
+#include "hf/boot_params.h"
+}
+
+#include <gmock/gmock.h>
+
+using ::testing::Eq;
+
+/*
+ * /dts-v1/;
+ *
+ * / {
+ *       #address-cells = <2>;
+ *       #size-cells = <2>;
+ *
+ *       memory@0 {
+ *           device_type = "memory";
+ *           reg = <0x00000000 0x00000000 0x00000000 0x20000000
+ *                  0x00000000 0x30000000 0x00000000 0x00010000>;
+ *       };
+ *       memory@1 {
+ *           device_type = "memory";
+ *           reg = <0x00000000 0x30020000 0x00000000 0x00010000>;
+ *       };
+ *
+ *       chosen {
+ *           linux,initrd-start = <0x00000000>;
+ *           linux,initrd-end = <0x00000000>;
+ *       };
+ * };
+ *
+ * $ dtc --boot-cpu 0 --in-format dts --out-format dtb --out-version 17 test.dts
+ * | xxd -i
+ */
+
+static const uint8_t test_dtb[] = {
+	0xd0, 0x0d, 0xfe, 0xed, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x00, 0x38,
+	0x00, 0x00, 0x01, 0x30, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x11,
+	0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4f,
+	0x00, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03,
+	0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x02,
+	0x00, 0x00, 0x00, 0x01, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x40, 0x30,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07,
+	0x00, 0x00, 0x00, 0x1b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x27,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
+	0x00, 0x00, 0x00, 0x01, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x40, 0x31,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07,
+	0x00, 0x00, 0x00, 0x1b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x27,
+	0x00, 0x00, 0x00, 0x00, 0x30, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01,
+	0x63, 0x68, 0x6f, 0x73, 0x65, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+	0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x3e,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
+	0x00, 0x00, 0x00, 0x09, 0x23, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73,
+	0x2d, 0x63, 0x65, 0x6c, 0x6c, 0x73, 0x00, 0x23, 0x73, 0x69, 0x7a, 0x65,
+	0x2d, 0x63, 0x65, 0x6c, 0x6c, 0x73, 0x00, 0x64, 0x65, 0x76, 0x69, 0x63,
+	0x65, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x00, 0x72, 0x65, 0x67, 0x00, 0x6c,
+	0x69, 0x6e, 0x75, 0x78, 0x2c, 0x69, 0x6e, 0x69, 0x74, 0x72, 0x64, 0x2d,
+	0x73, 0x74, 0x61, 0x72, 0x74, 0x00, 0x6c, 0x69, 0x6e, 0x75, 0x78, 0x2c,
+	0x69, 0x6e, 0x69, 0x74, 0x72, 0x64, 0x2d, 0x65, 0x6e, 0x64, 0x00};
+
+TEST(fdt, get_boot_params)
+{
+	struct boot_params params;
+	EXPECT_TRUE(
+		fdt_get_boot_params(pa_init((uintpaddr_t)&test_dtb), &params));
+	EXPECT_THAT(params.mem_ranges_count, Eq(3));
+	EXPECT_THAT(pa_addr(params.mem_ranges[0].begin), Eq(0x00000000));
+	EXPECT_THAT(pa_addr(params.mem_ranges[0].end), Eq(0x20000000));
+	EXPECT_THAT(pa_addr(params.mem_ranges[1].begin), Eq(0x30000000));
+	EXPECT_THAT(pa_addr(params.mem_ranges[1].end), Eq(0x30010000));
+	EXPECT_THAT(pa_addr(params.mem_ranges[2].begin), Eq(0x30020000));
+	EXPECT_THAT(pa_addr(params.mem_ranges[2].end), Eq(0x30030000));
+}