tcc.c revision 1.1.1.1.4.2 1 /* $NetBSD: tcc.c,v 1.1.1.1.4.2 2014/05/18 17:46:02 rmind Exp $ */
2
3 /*
4 * Test if our calling convention gymnastics actually work
5 */
6
7 #include <efi.h>
8 #include <efilib.h>
9
10 #ifdef __x86_64__
11 #include <x86_64/pe.h>
12 #include <x86_64/efibind.h>
13 #endif
14
15 #if 0
16 asm volatile("out %0,%1" : : "a" ((uint8_t)a), "dN" (0x80));
17
18 extern void dump_stack(void);
19 asm( ".globl dump_stack\n"
20 "dump_stack:\n"
21 " movq %rsp, %rdi\n"
22 " jmp *dump_stack_helper@GOTPCREL(%rip)\n"
23 ".size dump_stack, .-dump_stack");
24
25 void dump_stack_helper(uint64_t rsp_val)
26 {
27 uint64_t *rsp = (uint64_t *)rsp_val;
28 int x;
29
30 Print(L"%%rsp: 0x%08x%08x stack:\r\n",
31 (rsp_val & 0xffffffff00000000) >>32,
32 rsp_val & 0xffffffff);
33 for (x = 0; x < 8; x++) {
34 Print(L"%08x: ", ((uint64_t)rsp) & 0xffffffff);
35 Print(L"%016x ", *rsp++);
36 Print(L"%016x ", *rsp++);
37 Print(L"%016x ", *rsp++);
38 Print(L"%016x\r\n", *rsp++);
39 }
40 }
41 #endif
42
43 EFI_STATUS EFI_FUNCTION test_failure_callback(void)
44 {
45 return EFI_UNSUPPORTED;
46 }
47
48 EFI_STATUS test_failure(void)
49 {
50 return uefi_call_wrapper(test_failure_callback, 0);
51 }
52
53 EFI_STATUS EFI_FUNCTION test_call0_callback(void)
54 {
55 return EFI_SUCCESS;
56 }
57
58 EFI_STATUS test_call0(void)
59 {
60 return uefi_call_wrapper(test_call0_callback, 0);
61 }
62
63 EFI_STATUS EFI_FUNCTION test_call1_callback(UINT32 a)
64 {
65 if (a != 0x12345678) {
66 return EFI_LOAD_ERROR;
67 }
68 return EFI_SUCCESS;
69 }
70
71 EFI_STATUS test_call1(void)
72 {
73 return uefi_call_wrapper(test_call1_callback, 1,0x12345678);
74 }
75
76 EFI_STATUS EFI_FUNCTION test_call2_callback(UINT32 a, UINT32 b)
77 {
78 if (a != 0x12345678) {
79 return EFI_LOAD_ERROR;
80 }
81 if (b != 0x23456789) {
82 return EFI_INVALID_PARAMETER;
83 }
84 return EFI_SUCCESS;
85 }
86
87 EFI_STATUS test_call2(void)
88 {
89 return uefi_call_wrapper(test_call2_callback, 2,
90 0x12345678, 0x23456789);
91 }
92
93 EFI_STATUS EFI_FUNCTION test_call3_callback(UINT32 a, UINT32 b,
94 UINT32 c)
95 {
96 if (a != 0x12345678)
97 return EFI_LOAD_ERROR;
98 if (b != 0x23456789)
99 return EFI_INVALID_PARAMETER;
100 if (c != 0x3456789a)
101 return EFI_UNSUPPORTED;
102 return EFI_SUCCESS;
103 }
104
105 EFI_STATUS test_call3(void)
106 {
107 return uefi_call_wrapper(test_call3_callback, 3,
108 0x12345678, 0x23456789, 0x3456789a);
109 }
110
111 EFI_STATUS EFI_FUNCTION test_call4_callback(UINT32 a, UINT32 b,
112 UINT32 c, UINT32 d)
113 {
114 if (a != 0x12345678)
115 return EFI_LOAD_ERROR;
116 if (b != 0x23456789)
117 return EFI_INVALID_PARAMETER;
118 if (c != 0x3456789a)
119 return EFI_UNSUPPORTED;
120 if (d != 0x456789ab)
121 return EFI_BAD_BUFFER_SIZE;
122
123 return EFI_SUCCESS;
124 }
125
126 EFI_STATUS test_call4(void)
127 {
128 return uefi_call_wrapper(test_call4_callback, 4,
129 0x12345678, 0x23456789, 0x3456789a, 0x456789ab);
130 }
131
132 EFI_STATUS EFI_FUNCTION test_call5_callback(UINT32 a, UINT32 b,
133 UINT32 c, UINT32 d, UINT32 e)
134 {
135 if (a != 0x12345678)
136 return EFI_LOAD_ERROR;
137 if (b != 0x23456789)
138 return EFI_INVALID_PARAMETER;
139 if (c != 0x3456789a)
140 return EFI_UNSUPPORTED;
141 if (d != 0x456789ab)
142 return EFI_BAD_BUFFER_SIZE;
143 if (e != 0x56789abc)
144 return EFI_BUFFER_TOO_SMALL;
145
146 return EFI_SUCCESS;
147 }
148
149 EFI_STATUS test_call5(void)
150 {
151 return uefi_call_wrapper(test_call5_callback, 5,
152 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc);
153 }
154
155 EFI_STATUS EFI_FUNCTION test_call6_callback(UINT32 a, UINT32 b,
156 UINT32 c, UINT32 d, UINT32 e, UINT32 f)
157 {
158 if (a != 0x12345678)
159 return EFI_LOAD_ERROR;
160 if (b != 0x23456789)
161 return EFI_INVALID_PARAMETER;
162 if (c != 0x3456789a)
163 return EFI_UNSUPPORTED;
164 if (d != 0x456789ab)
165 return EFI_BAD_BUFFER_SIZE;
166 if (e != 0x56789abc)
167 return EFI_BUFFER_TOO_SMALL;
168 if (f != 0x6789abcd)
169 return EFI_NOT_READY;
170
171 return EFI_SUCCESS;
172 }
173
174 EFI_STATUS test_call6(void)
175 {
176 return uefi_call_wrapper(test_call6_callback, 6,
177 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc,
178 0x6789abcd);
179 }
180
181 EFI_STATUS EFI_FUNCTION test_call7_callback(UINT32 a, UINT32 b,
182 UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g)
183 {
184 if (a != 0x12345678)
185 return EFI_LOAD_ERROR;
186 if (b != 0x23456789)
187 return EFI_INVALID_PARAMETER;
188 if (c != 0x3456789a)
189 return EFI_UNSUPPORTED;
190 if (d != 0x456789ab)
191 return EFI_BAD_BUFFER_SIZE;
192 if (e != 0x56789abc)
193 return EFI_BUFFER_TOO_SMALL;
194 if (f != 0x6789abcd)
195 return EFI_NOT_READY;
196 if (g != 0x789abcde)
197 return EFI_DEVICE_ERROR;
198
199 return EFI_SUCCESS;
200 }
201
202 EFI_STATUS test_call7(void)
203 {
204 return uefi_call_wrapper(test_call7_callback, 7,
205 0x12345678, 0x23456789, 0x3456789a, 0x456789ab,
206 0x56789abc, 0x6789abcd, 0x789abcde);
207 }
208
209 EFI_STATUS EFI_FUNCTION test_call8_callback(UINT32 a, UINT32 b,
210 UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h)
211 {
212 if (a != 0x12345678)
213 return EFI_LOAD_ERROR;
214 if (b != 0x23456789)
215 return EFI_INVALID_PARAMETER;
216 if (c != 0x3456789a)
217 return EFI_UNSUPPORTED;
218 if (d != 0x456789ab)
219 return EFI_BAD_BUFFER_SIZE;
220 if (e != 0x56789abc)
221 return EFI_BUFFER_TOO_SMALL;
222 if (f != 0x6789abcd)
223 return EFI_NOT_READY;
224 if (g != 0x789abcde)
225 return EFI_DEVICE_ERROR;
226 if (h != 0x89abcdef)
227 return EFI_WRITE_PROTECTED;
228
229 return EFI_SUCCESS;
230 }
231
232 EFI_STATUS test_call8(void)
233 {
234 return uefi_call_wrapper(test_call8_callback, 8,
235 0x12345678,
236 0x23456789,
237 0x3456789a,
238 0x456789ab,
239 0x56789abc,
240 0x6789abcd,
241 0x789abcde,
242 0x89abcdef);
243 }
244
245 EFI_STATUS EFI_FUNCTION test_call9_callback(UINT32 a, UINT32 b,
246 UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h, UINT32 i)
247 {
248 if (a != 0x12345678)
249 return EFI_LOAD_ERROR;
250 if (b != 0x23456789)
251 return EFI_INVALID_PARAMETER;
252 if (c != 0x3456789a)
253 return EFI_UNSUPPORTED;
254 if (d != 0x456789ab)
255 return EFI_BAD_BUFFER_SIZE;
256 if (e != 0x56789abc)
257 return EFI_BUFFER_TOO_SMALL;
258 if (f != 0x6789abcd)
259 return EFI_NOT_READY;
260 if (g != 0x789abcde)
261 return EFI_DEVICE_ERROR;
262 if (h != 0x89abcdef)
263 return EFI_WRITE_PROTECTED;
264 if (i != 0x9abcdef0)
265 return EFI_OUT_OF_RESOURCES;
266
267 return EFI_SUCCESS;
268 }
269
270 EFI_STATUS test_call9(void)
271 {
272 return uefi_call_wrapper(test_call9_callback, 9,
273 0x12345678,
274 0x23456789,
275 0x3456789a,
276 0x456789ab,
277 0x56789abc,
278 0x6789abcd,
279 0x789abcde,
280 0x89abcdef,
281 0x9abcdef0);
282 }
283
284 extern EFI_STATUS test_call10(void);
285 EFI_STATUS EFI_FUNCTION test_call10_callback(UINT32 a, UINT32 b,
286 UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h, UINT32 i,
287 UINT32 j)
288 {
289 if (a != 0x12345678)
290 return EFI_LOAD_ERROR;
291 if (b != 0x23456789)
292 return EFI_INVALID_PARAMETER;
293 if (c != 0x3456789a)
294 return EFI_UNSUPPORTED;
295 if (d != 0x456789ab)
296 return EFI_BAD_BUFFER_SIZE;
297 if (e != 0x56789abc)
298 return EFI_BUFFER_TOO_SMALL;
299 if (f != 0x6789abcd)
300 return EFI_NOT_READY;
301 if (g != 0x789abcde)
302 return EFI_DEVICE_ERROR;
303 if (h != 0x89abcdef)
304 return EFI_WRITE_PROTECTED;
305 if (i != 0x9abcdef0)
306 return EFI_OUT_OF_RESOURCES;
307 if (j != 0xabcdef01)
308 return EFI_VOLUME_CORRUPTED;
309
310 return EFI_SUCCESS;
311 }
312
313 EFI_STATUS test_call10(void)
314 {
315 return uefi_call_wrapper(test_call10_callback, 10,
316 0x12345678,
317 0x23456789,
318 0x3456789a,
319 0x456789ab,
320 0x56789abc,
321 0x6789abcd,
322 0x789abcde,
323 0x89abcdef,
324 0x9abcdef0,
325 0xabcdef01);
326 }
327
328 EFI_STATUS
329 efi_main (EFI_HANDLE *image, EFI_SYSTEM_TABLE *systab)
330 {
331 EFI_STATUS rc = EFI_SUCCESS;
332
333 InitializeLib(image, systab);
334 PoolAllocationType = 2; /* klooj */
335
336 #ifndef __x86_64__
337 uefi_call_wrapper(systab->ConOut->OutputString, 2, systab->ConOut,
338 L"This test is only valid on x86_64\n");
339 return EFI_UNSUPPORTED;
340 #endif
341
342 __asm__ volatile("out %0,%1" : : "a" ((uint8_t)0x14), "dN" (0x80));
343
344 Print(L"Hello\r\n");
345 rc = test_failure();
346 if (EFI_ERROR(rc)) {
347 Print(L"Returning Failure works\n");
348 } else {
349 Print(L"Returning failure doesn't work.\r\n");
350 Print(L"%%rax was 0x%016x, should have been 0x%016x\n",
351 rc, EFI_UNSUPPORTED);
352 return EFI_INVALID_PARAMETER;
353 }
354
355 rc = test_call0();
356 if (!EFI_ERROR(rc)) {
357 Print(L"0 args works just fine here.\r\n");
358 } else {
359 Print(L"0 args failed: 0x%016x\n", rc);
360 return rc;
361 }
362
363 rc = test_call1();
364 if (!EFI_ERROR(rc)) {
365 Print(L"1 arg works just fine here.\r\n");
366 } else {
367 Print(L"1 arg failed: 0x%016x\n", rc);
368 return rc;
369 }
370
371 rc = test_call2();
372 if (!EFI_ERROR(rc)) {
373 Print(L"2 args works just fine here.\r\n");
374 } else {
375 Print(L"2 args failed: 0x%016x\n", rc);
376 return rc;
377 }
378
379 rc = test_call3();
380 if (!EFI_ERROR(rc)) {
381 Print(L"3 args works just fine here.\r\n");
382 } else {
383 Print(L"3 args failed: 0x%016x\n", rc);
384 return rc;
385 }
386
387 rc = test_call4();
388 if (!EFI_ERROR(rc)) {
389 Print(L"4 args works just fine here.\r\n");
390 } else {
391 Print(L"4 args failed: 0x%016x\n", rc);
392 return rc;
393 }
394
395 rc = test_call5();
396 if (!EFI_ERROR(rc)) {
397 Print(L"5 args works just fine here.\r\n");
398 } else {
399 Print(L"5 args failed: 0x%016x\n", rc);
400 return rc;
401 }
402
403 rc = test_call6();
404 if (!EFI_ERROR(rc)) {
405 Print(L"6 args works just fine here.\r\n");
406 } else {
407 Print(L"6 args failed: 0x%016x\n", rc);
408 return rc;
409 }
410
411 rc = test_call7();
412 if (!EFI_ERROR(rc)) {
413 Print(L"7 args works just fine here.\r\n");
414 } else {
415 Print(L"7 args failed: 0x%016x\n", rc);
416 return rc;
417 }
418
419 rc = test_call8();
420 if (!EFI_ERROR(rc)) {
421 Print(L"8 args works just fine here.\r\n");
422 } else {
423 Print(L"8 args failed: 0x%016x\n", rc);
424 return rc;
425 }
426
427 rc = test_call9();
428 if (!EFI_ERROR(rc)) {
429 Print(L"9 args works just fine here.\r\n");
430 } else {
431 Print(L"9 args failed: 0x%016x\n", rc);
432 return rc;
433 }
434
435 rc = test_call10();
436 if (!EFI_ERROR(rc)) {
437 Print(L"10 args works just fine here.\r\n");
438 } else {
439 Print(L"10 args failed: 0x%016x\n", rc);
440 return rc;
441 }
442
443 return rc;
444 }
445