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review.trustedfirmware.org / hafnium / hafnium.git / 18834877ee12417f76ffd84ac38ff2f49015b4c1 / . / src / fdt_handler_test.cc
blob: c3fbb92bc6eadb2e4cf3c34eec90240c0fd9bd7d [file] [log] [blame]
Andrew Scull18834872018-10-12 11:48:09 +0100[diff] [blame^]1/*
2 * Copyright 2018 Google LLC
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Andrew Walbran679cdf42018-09-18 15:36:17 +0100[diff] [blame]17extern "C" {
18#include "hf/fdt_handler.h"
19
Andrew Walbran0ea8ced2018-10-03 14:56:58 +0100[diff] [blame]20#include "hf/alloc.h"
Andrew Walbran679cdf42018-09-18 15:36:17 +0100[diff] [blame]21#include "hf/boot_params.h"
22}
23
Andrew Walbran0ea8ced2018-10-03 14:56:58 +0100[diff] [blame]24#include <memory>
25
Andrew Walbran679cdf42018-09-18 15:36:17 +0100[diff] [blame]26#include <gmock/gmock.h>
27
28using ::testing::Eq;
29
Andrew Walbran0ea8ced2018-10-03 14:56:58 +0100[diff] [blame]30static constexpr size_t TEST_HEAP_SIZE = PAGE_SIZE * 10;
31
Andrew Walbran679cdf42018-09-18 15:36:17 +0100[diff] [blame]32/*
33 * /dts-v1/;
34 *
35 * / {
36 * #address-cells = <2>;
37 * #size-cells = <2>;
38 *
39 * memory@0 {
40 * device_type = "memory";
41 * reg = <0x00000000 0x00000000 0x00000000 0x20000000
42 * 0x00000000 0x30000000 0x00000000 0x00010000>;
43 * };
44 * memory@1 {
45 * device_type = "memory";
46 * reg = <0x00000000 0x30020000 0x00000000 0x00010000>;
47 * };
48 *
49 * chosen {
50 * linux,initrd-start = <0x00000000>;
51 * linux,initrd-end = <0x00000000>;
52 * };
53 * };
54 *
55 * $ dtc --boot-cpu 0 --in-format dts --out-format dtb --out-version 17 test.dts
56 * | xxd -i
57 */
58
Andrew Walbran0ea8ced2018-10-03 14:56:58 +0100[diff] [blame]59static constexpr uint8_t test_dtb[] = {
Andrew Walbran679cdf42018-09-18 15:36:17 +0100[diff] [blame]60 0xd0, 0x0d, 0xfe, 0xed, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x00, 0x38,
61 0x00, 0x00, 0x01, 0x30, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x11,
62 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4f,
63 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04,
66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03,
67 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x02,
68 0x00, 0x00, 0x00, 0x01, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x40, 0x30,
69 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07,
70 0x00, 0x00, 0x00, 0x1b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x00, 0x00,
71 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x27,
72 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
73 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
74 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
75 0x00, 0x00, 0x00, 0x01, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x40, 0x31,
76 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07,
77 0x00, 0x00, 0x00, 0x1b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x00, 0x00,
78 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x27,
79 0x00, 0x00, 0x00, 0x00, 0x30, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
80 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01,
81 0x63, 0x68, 0x6f, 0x73, 0x65, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
82 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00,
83 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x3e,
84 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
85 0x00, 0x00, 0x00, 0x09, 0x23, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73,
86 0x2d, 0x63, 0x65, 0x6c, 0x6c, 0x73, 0x00, 0x23, 0x73, 0x69, 0x7a, 0x65,
87 0x2d, 0x63, 0x65, 0x6c, 0x6c, 0x73, 0x00, 0x64, 0x65, 0x76, 0x69, 0x63,
88 0x65, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x00, 0x72, 0x65, 0x67, 0x00, 0x6c,
89 0x69, 0x6e, 0x75, 0x78, 0x2c, 0x69, 0x6e, 0x69, 0x74, 0x72, 0x64, 0x2d,
90 0x73, 0x74, 0x61, 0x72, 0x74, 0x00, 0x6c, 0x69, 0x6e, 0x75, 0x78, 0x2c,
91 0x69, 0x6e, 0x69, 0x74, 0x72, 0x64, 0x2d, 0x65, 0x6e, 0x64, 0x00};
92
93TEST(fdt, get_boot_params)
94{
Andrew Walbran0ea8ced2018-10-03 14:56:58 +0100[diff] [blame]95 std::unique_ptr<uint8_t[]> test_heap(new uint8_t[TEST_HEAP_SIZE]);
96 halloc_init((size_t)test_heap.get(), TEST_HEAP_SIZE);
97 ASSERT_TRUE(mm_init());
98
99 struct boot_params params = {};
Andrew Walbran679cdf42018-09-18 15:36:17 +0100[diff] [blame]100 EXPECT_TRUE(
101 fdt_get_boot_params(pa_init((uintpaddr_t)&test_dtb), &params));
102 EXPECT_THAT(params.mem_ranges_count, Eq(3));
103 EXPECT_THAT(pa_addr(params.mem_ranges[0].begin), Eq(0x00000000));
104 EXPECT_THAT(pa_addr(params.mem_ranges[0].end), Eq(0x20000000));
105 EXPECT_THAT(pa_addr(params.mem_ranges[1].begin), Eq(0x30000000));
106 EXPECT_THAT(pa_addr(params.mem_ranges[1].end), Eq(0x30010000));
107 EXPECT_THAT(pa_addr(params.mem_ranges[2].begin), Eq(0x30020000));
108 EXPECT_THAT(pa_addr(params.mem_ranges[2].end), Eq(0x30030000));
109}