2  * Copyright (c) 2015-2019, Intel Corporation
34 #include "intel-pt.h"
39 /* A global fake buffer to pacify static analyzers. */
40 static uint8_t buffer[8];
42 static struct ptunit_result from_user_null(void)  in from_user_null()
44 	struct pt_config config;  in from_user_null()  local
47 	errcode = pt_config_from_user(NULL, &config);  in from_user_null()
48 	ptu_int_eq(errcode, -pte_internal);  in from_user_null()
50 	errcode = pt_config_from_user(&config, NULL);  in from_user_null()
51 	ptu_int_eq(errcode, -pte_invalid);  in from_user_null()
56 static struct ptunit_result from_user_too_small(void)  in from_user_too_small()
58 	struct pt_config config, user;  in from_user_too_small()  local
61 	user.size = sizeof(config.size);  in from_user_too_small()
63 	errcode = pt_config_from_user(&config, &user);  in from_user_too_small()
64 	ptu_int_eq(errcode, -pte_bad_config);  in from_user_too_small()
69 static struct ptunit_result from_user_bad_buffer(void)  in from_user_bad_buffer()
71 	struct pt_config config, user;  in from_user_bad_buffer()  local
76 	errcode = pt_config_from_user(&config, &user);  in from_user_bad_buffer()
77 	ptu_int_eq(errcode, -pte_bad_config);  in from_user_bad_buffer()
81 	errcode = pt_config_from_user(&config, &user);  in from_user_bad_buffer()
82 	ptu_int_eq(errcode, -pte_bad_config);  in from_user_bad_buffer()
87 	errcode = pt_config_from_user(&config, &user);  in from_user_bad_buffer()
88 	ptu_int_eq(errcode, -pte_bad_config);  in from_user_bad_buffer()
93 	errcode = pt_config_from_user(&config, &user);  in from_user_bad_buffer()
94 	ptu_int_eq(errcode, -pte_bad_config);  in from_user_bad_buffer()
99 static struct ptunit_result from_user(void)  in from_user()
101 	struct pt_config config, user;  in from_user()  local
110 	errcode = pt_config_from_user(&config, &user);  in from_user()
112 	ptu_uint_eq(config.size, sizeof(config));  in from_user()
113 	ptu_ptr_eq(config.begin, buffer);  in from_user()
114 	ptu_ptr_eq(config.end, &buffer[sizeof(buffer)]);  in from_user()
115 	ptu_int_eq(config.cpu.vendor, pcv_intel);  in from_user()
116 	ptu_uint_eq(config.errata.bdm70, 1);  in from_user()
121 static struct ptunit_result from_user_small(void)  in from_user_small()
123 	struct pt_config config, user;  in from_user_small()  local
126 	memset(&config, 0xcd, sizeof(config));  in from_user_small()
132 	errcode = pt_config_from_user(&config, &user);  in from_user_small()
134 	ptu_uint_eq(config.size, offsetof(struct pt_config, cpu));  in from_user_small()
135 	ptu_ptr_eq(config.begin, buffer);  in from_user_small()
136 	ptu_ptr_eq(config.end, &buffer[sizeof(buffer)]);  in from_user_small()
137 	ptu_int_eq(config.cpu.vendor, pcv_unknown);  in from_user_small()
138 	ptu_uint_eq(config.errata.bdm70, 0);  in from_user_small()
143 static struct ptunit_result from_user_big(void)  in from_user_big()
145 	struct pt_config config, user;  in from_user_big()  local
154 	errcode = pt_config_from_user(&config, &user);  in from_user_big()
156 	ptu_uint_eq(config.size, sizeof(config));  in from_user_big()
157 	ptu_ptr_eq(config.begin, buffer);  in from_user_big()
158 	ptu_ptr_eq(config.end, &buffer[sizeof(buffer)]);  in from_user_big()
159 	ptu_int_eq(config.cpu.vendor, pcv_intel);  in from_user_big()
160 	ptu_uint_eq(config.errata.bdm70, 1);  in from_user_big()
165 static struct ptunit_result size(void)  in size()
172 static struct ptunit_result addr_filter_size(void)  in addr_filter_size()
176 	ptu_uint_eq(sizeof(conf.config), 8);  in addr_filter_size()
181 static struct ptunit_result addr_filter_none(void)  in addr_filter_none()
183 	struct pt_config config;  in addr_filter_none()  local
186 	pt_config_init(&config);  in addr_filter_none()
188 	ptu_uint_eq(config.addr_filter.config.addr_cfg, 0ull);  in addr_filter_none()
193 		addr_cfg = pt_filter_addr_cfg(&config.addr_filter, filter);  in addr_filter_none()
201 static struct ptunit_result addr_filter_0(void)  in addr_filter_0()
203 	struct pt_config config;  in addr_filter_0()  local
208 	pt_config_init(&config);  in addr_filter_0()
209 	config.addr_filter.config.ctl.addr0_cfg = pt_addr_cfg_filter;  in addr_filter_0()
210 	config.addr_filter.addr0_a = 0xa000ull;  in addr_filter_0()
211 	config.addr_filter.addr0_b = 0xb000ull;  in addr_filter_0()
213 	ptu_uint_ne(config.addr_filter.config.addr_cfg, 0ull);  in addr_filter_0()
215 	addr_cfg = pt_filter_addr_cfg(&config.addr_filter, 0);  in addr_filter_0()
218 	addr_a = pt_filter_addr_a(&config.addr_filter, 0);  in addr_filter_0()
221 	addr_b = pt_filter_addr_b(&config.addr_filter, 0);  in addr_filter_0()
226 		addr_cfg = pt_filter_addr_cfg(&config.addr_filter, filter);  in addr_filter_0()
234 static struct ptunit_result addr_filter_1_3(void)  in addr_filter_1_3()
236 	struct pt_config config;  in addr_filter_1_3()  local
240 	pt_config_init(&config);  in addr_filter_1_3()
241 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_filter;  in addr_filter_1_3()
242 	config.addr_filter.addr1_a = 0xa000ull;  in addr_filter_1_3()
243 	config.addr_filter.addr1_b = 0xb000ull;  in addr_filter_1_3()
244 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_stop;  in addr_filter_1_3()
245 	config.addr_filter.addr3_a = 0x100a000ull;  in addr_filter_1_3()
246 	config.addr_filter.addr3_b = 0x100b000ull;  in addr_filter_1_3()
248 	ptu_uint_ne(config.addr_filter.config.addr_cfg, 0ull);  in addr_filter_1_3()
250 	addr_cfg = pt_filter_addr_cfg(&config.addr_filter, 0);  in addr_filter_1_3()
253 	addr_cfg = pt_filter_addr_cfg(&config.addr_filter, 1);  in addr_filter_1_3()
256 	addr_a = pt_filter_addr_a(&config.addr_filter, 1);  in addr_filter_1_3()
259 	addr_b = pt_filter_addr_b(&config.addr_filter, 1);  in addr_filter_1_3()
262 	addr_cfg = pt_filter_addr_cfg(&config.addr_filter, 2);  in addr_filter_1_3()
265 	addr_cfg = pt_filter_addr_cfg(&config.addr_filter, 3);  in addr_filter_1_3()
268 	addr_a = pt_filter_addr_a(&config.addr_filter, 3);  in addr_filter_1_3()
271 	addr_b = pt_filter_addr_b(&config.addr_filter, 3);  in addr_filter_1_3()
277 static struct ptunit_result addr_filter_oob(uint8_t filter)  in addr_filter_oob()
279 	struct pt_config config;  in addr_filter_oob()  local
283 	pt_config_init(&config);  in addr_filter_oob()
285 	memset(&config.addr_filter, 0xcc, sizeof(config.addr_filter));  in addr_filter_oob()
287 	addr_cfg = pt_filter_addr_cfg(&config.addr_filter, filter);  in addr_filter_oob()
290 	addr_a = pt_filter_addr_a(&config.addr_filter, filter);  in addr_filter_oob()
293 	addr_b = pt_filter_addr_b(&config.addr_filter, filter);  in addr_filter_oob()
299 static struct ptunit_result addr_filter_ip_in(void)  in addr_filter_ip_in()
301 	struct pt_config config;  in addr_filter_ip_in()  local
304 	pt_config_init(&config);  in addr_filter_ip_in()
305 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_filter;  in addr_filter_ip_in()
306 	config.addr_filter.addr1_a = 0xa000;  in addr_filter_ip_in()
307 	config.addr_filter.addr1_b = 0xb000;  in addr_filter_ip_in()
308 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_filter;  in addr_filter_ip_in()
309 	config.addr_filter.addr3_a = 0x10a000;  in addr_filter_ip_in()
310 	config.addr_filter.addr3_b = 0x10b000;  in addr_filter_ip_in()
312 	status = pt_filter_addr_check(&config.addr_filter, 0xa000);  in addr_filter_ip_in()
315 	status = pt_filter_addr_check(&config.addr_filter, 0xaf00);  in addr_filter_ip_in()
318 	status = pt_filter_addr_check(&config.addr_filter, 0xb000);  in addr_filter_ip_in()
321 	status = pt_filter_addr_check(&config.addr_filter, 0x10a000);  in addr_filter_ip_in()
324 	status = pt_filter_addr_check(&config.addr_filter, 0x10af00);  in addr_filter_ip_in()
327 	status = pt_filter_addr_check(&config.addr_filter, 0x10b000);  in addr_filter_ip_in()
333 static struct ptunit_result addr_filter_ip_out(void)  in addr_filter_ip_out()
335 	struct pt_config config;  in addr_filter_ip_out()  local
338 	pt_config_init(&config);  in addr_filter_ip_out()
339 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_filter;  in addr_filter_ip_out()
340 	config.addr_filter.addr1_a = 0xa000;  in addr_filter_ip_out()
341 	config.addr_filter.addr1_b = 0xb000;  in addr_filter_ip_out()
342 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_filter;  in addr_filter_ip_out()
343 	config.addr_filter.addr3_a = 0x10a000;  in addr_filter_ip_out()
344 	config.addr_filter.addr3_b = 0x10b000;  in addr_filter_ip_out()
346 	status = pt_filter_addr_check(&config.addr_filter, 0xfff);  in addr_filter_ip_out()
349 	status = pt_filter_addr_check(&config.addr_filter, 0xb001);  in addr_filter_ip_out()
352 	status = pt_filter_addr_check(&config.addr_filter, 0x100fff);  in addr_filter_ip_out()
355 	status = pt_filter_addr_check(&config.addr_filter, 0x10b001);  in addr_filter_ip_out()
361 static struct ptunit_result addr_filter_stop_in(void)  in addr_filter_stop_in()
363 	struct pt_config config;  in addr_filter_stop_in()  local
366 	pt_config_init(&config);  in addr_filter_stop_in()
367 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_stop;  in addr_filter_stop_in()
368 	config.addr_filter.addr1_a = 0xa000;  in addr_filter_stop_in()
369 	config.addr_filter.addr1_b = 0xb000;  in addr_filter_stop_in()
370 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_stop;  in addr_filter_stop_in()
371 	config.addr_filter.addr3_a = 0x10a000;  in addr_filter_stop_in()
372 	config.addr_filter.addr3_b = 0x10b000;  in addr_filter_stop_in()
374 	status = pt_filter_addr_check(&config.addr_filter, 0xa000);  in addr_filter_stop_in()
377 	status = pt_filter_addr_check(&config.addr_filter, 0xaf00);  in addr_filter_stop_in()
380 	status = pt_filter_addr_check(&config.addr_filter, 0xb000);  in addr_filter_stop_in()
383 	status = pt_filter_addr_check(&config.addr_filter, 0x10a000);  in addr_filter_stop_in()
386 	status = pt_filter_addr_check(&config.addr_filter, 0x10af00);  in addr_filter_stop_in()
389 	status = pt_filter_addr_check(&config.addr_filter, 0x10b000);  in addr_filter_stop_in()
395 static struct ptunit_result addr_filter_stop_out(void)  in addr_filter_stop_out()
397 	struct pt_config config;  in addr_filter_stop_out()  local
400 	pt_config_init(&config);  in addr_filter_stop_out()
401 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_stop;  in addr_filter_stop_out()
402 	config.addr_filter.addr1_a = 0xa000;  in addr_filter_stop_out()
403 	config.addr_filter.addr1_b = 0xb000;  in addr_filter_stop_out()
404 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_stop;  in addr_filter_stop_out()
405 	config.addr_filter.addr3_a = 0x10a000;  in addr_filter_stop_out()
406 	config.addr_filter.addr3_b = 0x10b000;  in addr_filter_stop_out()
408 	status = pt_filter_addr_check(&config.addr_filter, 0xfff);  in addr_filter_stop_out()
411 	status = pt_filter_addr_check(&config.addr_filter, 0xb001);  in addr_filter_stop_out()
414 	status = pt_filter_addr_check(&config.addr_filter, 0x100fff);  in addr_filter_stop_out()
417 	status = pt_filter_addr_check(&config.addr_filter, 0x10b001);  in addr_filter_stop_out()
423 static struct ptunit_result addr_filter_ip_out_stop_in(void)  in addr_filter_ip_out_stop_in()
425 	struct pt_config config;  in addr_filter_ip_out_stop_in()  local
428 	pt_config_init(&config);  in addr_filter_ip_out_stop_in()
429 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_filter;  in addr_filter_ip_out_stop_in()
430 	config.addr_filter.addr1_a = 0x100f00;  in addr_filter_ip_out_stop_in()
431 	config.addr_filter.addr1_b = 0x10af00;  in addr_filter_ip_out_stop_in()
432 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_stop;  in addr_filter_ip_out_stop_in()
433 	config.addr_filter.addr3_a = 0x10a000;  in addr_filter_ip_out_stop_in()
434 	config.addr_filter.addr3_b = 0x10b000;  in addr_filter_ip_out_stop_in()
436 	status = pt_filter_addr_check(&config.addr_filter, 0x10af01);  in addr_filter_ip_out_stop_in()
439 	status = pt_filter_addr_check(&config.addr_filter, 0x10b000);  in addr_filter_ip_out_stop_in()
445 static struct ptunit_result addr_filter_ip_in_stop_in(void)  in addr_filter_ip_in_stop_in()
447 	struct pt_config config;  in addr_filter_ip_in_stop_in()  local
450 	pt_config_init(&config);  in addr_filter_ip_in_stop_in()
451 	config.addr_filter.config.ctl.addr1_cfg = pt_addr_cfg_filter;  in addr_filter_ip_in_stop_in()
452 	config.addr_filter.addr1_a = 0x100f00;  in addr_filter_ip_in_stop_in()
453 	config.addr_filter.addr1_b = 0x10af00;  in addr_filter_ip_in_stop_in()
454 	config.addr_filter.config.ctl.addr3_cfg = pt_addr_cfg_stop;  in addr_filter_ip_in_stop_in()
455 	config.addr_filter.addr3_a = 0x10a000;  in addr_filter_ip_in_stop_in()
456 	config.addr_filter.addr3_b = 0x10b000;  in addr_filter_ip_in_stop_in()
458 	status = pt_filter_addr_check(&config.addr_filter, 0x10af00);  in addr_filter_ip_in_stop_in()
461 	status = pt_filter_addr_check(&config.addr_filter, 0x10a0ff);  in addr_filter_ip_in_stop_in()
467 static struct ptunit_result cpu_errata_null(void)  in cpu_errata_null()
474 	ptu_int_eq(errcode, -pte_invalid);  in cpu_errata_null()
477 	ptu_int_eq(errcode, -pte_invalid);  in cpu_errata_null()
482 static struct ptunit_result cpu_errata_unknown(void)  in cpu_errata_unknown()
491 	ptu_int_eq(errcode, -pte_bad_cpu);  in cpu_errata_unknown()
496 static struct ptunit_result cpu_errata_bad_vendor(void)  in cpu_errata_bad_vendor()
506 	ptu_int_eq(errcode, -pte_bad_cpu);  in cpu_errata_bad_vendor()
511 static struct ptunit_result cpu_errata_bad_cpuid(void)  in cpu_errata_bad_cpuid()
523 	ptu_int_eq(errcode, -pte_bad_cpu);  in cpu_errata_bad_cpuid()