aboutsummaryrefslogtreecommitdiff
path: root/test/dm/acpi.c
blob: 4c46dd83a695bbc0d5b5afd312d7af9ad798eeb8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
// SPDX-License-Identifier: GPL-2.0+
/*
 * Tests for ACPI table generation
 *
 * Copyright 2019 Google LLC
 * Written by Simon Glass <sjg@chromium.org>
 */

#include <common.h>
#include <console.h>
#include <dm.h>
#include <malloc.h>
#include <mapmem.h>
#include <version.h>
#include <tables_csum.h>
#include <version.h>
#include <acpi/acpi_table.h>
#include <dm/acpi.h>
#include <dm/test.h>
#include <test/ut.h>

#define ACPI_TEST_DEV_NAME	"ABCD"
#define BUF_SIZE		4096

static int testacpi_write_tables(const struct udevice *dev,
				 struct acpi_ctx *ctx)
{
	struct acpi_dmar *dmar;
	int ret;

	dmar = (struct acpi_dmar *)ctx->current;
	acpi_create_dmar(dmar, DMAR_INTR_REMAP);
	ctx->current += sizeof(struct acpi_dmar);
	ret = acpi_add_table(ctx, dmar);
	if (ret)
		return log_msg_ret("add", ret);

	return 0;
}

static int testacpi_get_name(const struct udevice *dev, char *out_name)
{
	return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
}

struct acpi_ops testacpi_ops = {
	.get_name	= testacpi_get_name,
	.write_tables	= testacpi_write_tables,
};

static const struct udevice_id testacpi_ids[] = {
	{ .compatible = "denx,u-boot-acpi-test" },
	{ }
};

U_BOOT_DRIVER(testacpi_drv) = {
	.name	= "testacpi_drv",
	.of_match	= testacpi_ids,
	.id	= UCLASS_TEST_ACPI,
	ACPI_OPS_PTR(&testacpi_ops)
};

UCLASS_DRIVER(testacpi) = {
	.name		= "testacpi",
	.id		= UCLASS_TEST_ACPI,
};

/* Test ACPI get_name() */
static int dm_test_acpi_get_name(struct unit_test_state *uts)
{
	char name[ACPI_NAME_MAX];
	struct udevice *dev;

	ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
	ut_assertok(acpi_get_name(dev, name));
	ut_asserteq_str(ACPI_TEST_DEV_NAME, name);

	return 0;
}
DM_TEST(dm_test_acpi_get_name, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test acpi_get_table_revision() */
static int dm_test_acpi_get_table_revision(struct unit_test_state *uts)
{
	ut_asserteq(1, acpi_get_table_revision(ACPITAB_MCFG));
	ut_asserteq(2, acpi_get_table_revision(ACPITAB_RSDP));
	ut_asserteq(4, acpi_get_table_revision(ACPITAB_TPM2));
	ut_asserteq(-EINVAL, acpi_get_table_revision(ACPITAB_COUNT));

	return 0;
}
DM_TEST(dm_test_acpi_get_table_revision,
	DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test acpi_create_dmar() */
static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
{
	struct acpi_dmar dmar;

	ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
	ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
	ut_asserteq(32 - 1, dmar.host_address_width);

	return 0;
}
DM_TEST(dm_test_acpi_create_dmar, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test acpi_fill_header() */
static int dm_test_acpi_fill_header(struct unit_test_state *uts)
{
	struct acpi_table_header hdr;

	/* Make sure these 5 fields are not changed */
	hdr.length = 0x11;
	hdr.revision = 0x22;
	hdr.checksum = 0x33;
	hdr.aslc_revision = 0x44;
	acpi_fill_header(&hdr, "ABCD");

	ut_asserteq_mem("ABCD", hdr.signature, sizeof(hdr.signature));
	ut_asserteq(0x11, hdr.length);
	ut_asserteq(0x22, hdr.revision);
	ut_asserteq(0x33, hdr.checksum);
	ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id));
	ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id,
			sizeof(hdr.oem_table_id));
	ut_asserteq(U_BOOT_BUILD_DATE, hdr.oem_revision);
	ut_asserteq_mem(ASLC_ID, hdr.aslc_id, sizeof(hdr.aslc_id));
	ut_asserteq(0x44, hdr.aslc_revision);

	return 0;
}
DM_TEST(dm_test_acpi_fill_header, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test ACPI write_tables() */
static int dm_test_acpi_write_tables(struct unit_test_state *uts)
{
	struct acpi_dmar *dmar;
	struct acpi_ctx ctx;
	void *buf;

	buf = malloc(BUF_SIZE);
	ut_assertnonnull(buf);

	acpi_setup_base_tables(&ctx, buf);
	dmar = ctx.current;
	ut_assertok(acpi_write_dev_tables(&ctx));

	/*
	 * We should have two dmar tables, one for each "denx,u-boot-acpi-test"
	 * device
	 */
	ut_asserteq_ptr(dmar + 2, ctx.current);
	ut_asserteq(DMAR_INTR_REMAP, dmar->flags);
	ut_asserteq(32 - 1, dmar->host_address_width);

	ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags);
	ut_asserteq(32 - 1, dmar[1].host_address_width);

	/* Check that the pointers were added correctly */
	ut_asserteq(map_to_sysmem(dmar), ctx.rsdt->entry[0]);
	ut_asserteq(map_to_sysmem(dmar + 1), ctx.rsdt->entry[1]);
	ut_asserteq(0, ctx.rsdt->entry[2]);

	ut_asserteq(map_to_sysmem(dmar), ctx.xsdt->entry[0]);
	ut_asserteq(map_to_sysmem(dmar + 1), ctx.xsdt->entry[1]);
	ut_asserteq(0, ctx.xsdt->entry[2]);

	return 0;
}
DM_TEST(dm_test_acpi_write_tables, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test basic ACPI functions */
static int dm_test_acpi_basic(struct unit_test_state *uts)
{
	struct acpi_ctx ctx;

	/* Check align works */
	ctx.current = (void *)5;
	acpi_align(&ctx);
	ut_asserteq_ptr((void *)16, ctx.current);

	/* Check that align does nothing if already aligned */
	acpi_align(&ctx);
	ut_asserteq_ptr((void *)16, ctx.current);
	acpi_align64(&ctx);
	ut_asserteq_ptr((void *)64, ctx.current);
	acpi_align64(&ctx);
	ut_asserteq_ptr((void *)64, ctx.current);

	/* Check incrementing */
	acpi_inc(&ctx, 3);
	ut_asserteq_ptr((void *)67, ctx.current);
	acpi_inc_align(&ctx, 3);
	ut_asserteq_ptr((void *)80, ctx.current);

	return 0;
}
DM_TEST(dm_test_acpi_basic, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test acpi_setup_base_tables */
static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
{
	struct acpi_rsdp *rsdp;
	struct acpi_rsdt *rsdt;
	struct acpi_xsdt *xsdt;
	struct acpi_ctx ctx;
	void *buf, *end;

	/*
	 * Use an unaligned address deliberately, by allocating an aligned
	 * address and then adding 4 to it
	 */
	buf = memalign(64, BUF_SIZE);
	ut_assertnonnull(buf);
	acpi_setup_base_tables(&ctx, buf + 4);
	ut_asserteq(map_to_sysmem(PTR_ALIGN(buf + 4, 16)), gd->arch.acpi_start);

	rsdp = buf + 16;
	ut_asserteq_ptr(rsdp, ctx.rsdp);
	ut_asserteq_mem(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature));
	ut_asserteq(sizeof(*rsdp), rsdp->length);
	ut_assertok(table_compute_checksum(rsdp, 20));
	ut_assertok(table_compute_checksum(rsdp, sizeof(*rsdp)));

	rsdt = PTR_ALIGN((void *)rsdp + sizeof(*rsdp), 16);
	ut_asserteq_ptr(rsdt, ctx.rsdt);
	ut_asserteq_mem("RSDT", rsdt->header.signature, ACPI_NAME_LEN);
	ut_asserteq(sizeof(*rsdt), rsdt->header.length);
	ut_assertok(table_compute_checksum(rsdt, sizeof(*rsdt)));

	xsdt = PTR_ALIGN((void *)rsdt + sizeof(*rsdt), 16);
	ut_asserteq_ptr(xsdt, ctx.xsdt);
	ut_asserteq_mem("XSDT", xsdt->header.signature, ACPI_NAME_LEN);
	ut_asserteq(sizeof(*xsdt), xsdt->header.length);
	ut_assertok(table_compute_checksum(xsdt, sizeof(*xsdt)));

	end = PTR_ALIGN((void *)xsdt + sizeof(*xsdt), 64);
	ut_asserteq_ptr(end, ctx.current);

	ut_asserteq(map_to_sysmem(rsdt), rsdp->rsdt_address);
	ut_asserteq(map_to_sysmem(xsdt), rsdp->xsdt_address);

	return 0;
}
DM_TEST(dm_test_acpi_setup_base_tables,
	DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test 'acpi list' command */
static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
{
	struct acpi_ctx ctx;
	ulong addr;
	void *buf;

	buf = memalign(16, BUF_SIZE);
	ut_assertnonnull(buf);
	acpi_setup_base_tables(&ctx, buf);

	ut_assertok(acpi_write_dev_tables(&ctx));

	console_record_reset();
	run_command("acpi list", 0);
	addr = (ulong)map_to_sysmem(buf);
	ut_assert_nextline("ACPI tables start at %lx", addr);
	ut_assert_nextline("RSDP %08lx %06lx (v02 U-BOOT)", addr,
			   sizeof(struct acpi_rsdp));
	addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
	ut_assert_nextline("RSDT %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
			   addr, sizeof(struct acpi_table_header) +
			   2 * sizeof(u32), U_BOOT_BUILD_DATE);
	addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
	ut_assert_nextline("XSDT %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
			   addr, sizeof(struct acpi_table_header) +
			   2 * sizeof(u64), U_BOOT_BUILD_DATE);
	addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
	ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
			   addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
	addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
	ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
			   addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
	ut_assert_console_end();

	return 0;
}
DM_TEST(dm_test_acpi_cmd_list, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

/* Test 'acpi dump' command */
static int dm_test_acpi_cmd_dump(struct unit_test_state *uts)
{
	struct acpi_ctx ctx;
	ulong addr;
	void *buf;

	buf = memalign(16, BUF_SIZE);
	ut_assertnonnull(buf);
	acpi_setup_base_tables(&ctx, buf);

	ut_assertok(acpi_write_dev_tables(&ctx));

	/* First search for a non-existent table */
	console_record_reset();
	run_command("acpi dump rdst", 0);
	ut_assert_nextline("Table 'RDST' not found");
	ut_assert_console_end();

	/* Now a real table */
	console_record_reset();
	run_command("acpi dump dmar", 0);
	addr = ALIGN(map_to_sysmem(ctx.xsdt) + sizeof(struct acpi_xsdt), 64);
	ut_assert_nextline("DMAR @ %08lx", addr);
	ut_assert_nextlines_are_dump(0x30);
	ut_assert_console_end();

	return 0;
}
DM_TEST(dm_test_acpi_cmd_dump, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);