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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
0fa2cac4 KS |
2 | |
3 | #include <efi.h> | |
4 | #include <efilib.h> | |
5 | ||
845707aa | 6 | #include "cpio.h" |
33bc9b75 | 7 | #include "devicetree.h" |
8110e144 | 8 | #include "disk.h" |
37fa3690 | 9 | #include "graphics.h" |
0fa2cac4 | 10 | #include "linux.h" |
d4cbada2 MG |
11 | #include "measure.h" |
12 | #include "pe.h" | |
ce0f078f | 13 | #include "secure-boot.h" |
cf0fbc49 | 14 | #include "splash.h" |
aa323c09 | 15 | #include "tpm-pcr.h" |
cf0fbc49 | 16 | #include "util.h" |
0fa2cac4 KS |
17 | |
18 | /* magic string to find in the binary image */ | |
2ccd5986 | 19 | _used_ _section_(".sdmagic") static const char magic[] = "#### LoaderInfo: systemd-stub " GIT_VERSION " ####"; |
0fa2cac4 | 20 | |
845707aa LP |
21 | static EFI_STATUS combine_initrd( |
22 | EFI_PHYSICAL_ADDRESS initrd_base, UINTN initrd_size, | |
23002b45 | 23 | const void * const extra_initrds[], const size_t extra_initrd_sizes[], size_t n_extra_initrds, |
09173c91 | 24 | Pages *ret_initr_pages, UINTN *ret_initrd_size) { |
845707aa | 25 | |
845707aa LP |
26 | UINTN n; |
27 | ||
09173c91 | 28 | assert(ret_initr_pages); |
845707aa LP |
29 | assert(ret_initrd_size); |
30 | ||
f3b6f333 | 31 | /* Combines four initrds into one, by simple concatenation in memory */ |
845707aa | 32 | |
b4e7df4a | 33 | n = ALIGN4(initrd_size); /* main initrd might not be padded yet */ |
845707aa | 34 | |
23002b45 LP |
35 | for (size_t i = 0; i < n_extra_initrds; i++) { |
36 | if (!extra_initrds[i]) | |
37 | continue; | |
f3b6f333 | 38 | |
23002b45 | 39 | if (n > UINTN_MAX - extra_initrd_sizes[i]) |
845707aa LP |
40 | return EFI_OUT_OF_RESOURCES; |
41 | ||
23002b45 | 42 | n += extra_initrd_sizes[i]; |
845707aa LP |
43 | } |
44 | ||
09173c91 | 45 | _cleanup_pages_ Pages pages = xmalloc_pages( |
845707aa LP |
46 | AllocateMaxAddress, |
47 | EfiLoaderData, | |
48 | EFI_SIZE_TO_PAGES(n), | |
09173c91 JJ |
49 | UINT32_MAX /* Below 4G boundary. */); |
50 | uint8_t *p = PHYSICAL_ADDRESS_TO_POINTER(pages.addr); | |
845707aa LP |
51 | if (initrd_base != 0) { |
52 | UINTN pad; | |
53 | ||
54 | /* Order matters, the real initrd must come first, since it might include microcode updates | |
55 | * which the kernel only looks for in the first cpio archive */ | |
515581d6 | 56 | p = mempcpy(p, PHYSICAL_ADDRESS_TO_POINTER(initrd_base), initrd_size); |
845707aa | 57 | |
b4e7df4a | 58 | pad = ALIGN4(initrd_size) - initrd_size; |
845707aa | 59 | if (pad > 0) { |
bbc1f2ea | 60 | memset(p, 0, pad); |
845707aa LP |
61 | p += pad; |
62 | } | |
63 | } | |
64 | ||
23002b45 LP |
65 | for (size_t i = 0; i < n_extra_initrds; i++) { |
66 | if (!extra_initrds[i]) | |
67 | continue; | |
68 | ||
69 | p = mempcpy(p, extra_initrds[i], extra_initrd_sizes[i]); | |
70 | } | |
845707aa | 71 | |
09173c91 | 72 | assert(PHYSICAL_ADDRESS_TO_POINTER(pages.addr + n) == p); |
845707aa | 73 | |
09173c91 | 74 | *ret_initr_pages = pages; |
845707aa | 75 | *ret_initrd_size = n; |
09173c91 | 76 | pages.n_pages = 0; |
845707aa LP |
77 | |
78 | return EFI_SUCCESS; | |
79 | } | |
80 | ||
b30a43df | 81 | static void export_variables(EFI_LOADED_IMAGE_PROTOCOL *loaded_image) { |
46d33672 LP |
82 | static const uint64_t stub_features = |
83 | EFI_STUB_FEATURE_REPORT_BOOT_PARTITION | /* We set LoaderDevicePartUUID */ | |
84 | EFI_STUB_FEATURE_PICK_UP_CREDENTIALS | /* We pick up credentials from the boot partition */ | |
85 | EFI_STUB_FEATURE_PICK_UP_SYSEXTS | /* We pick up system extensions from the boot partition */ | |
86 | EFI_STUB_FEATURE_THREE_PCRS | /* We can measure kernel image, parameters and sysext */ | |
87 | 0; | |
88 | ||
3639d1b0 | 89 | char16_t uuid[37]; |
5a186322 LP |
90 | |
91 | assert(loaded_image); | |
92 | ||
93 | /* Export the device path this image is started from, if it's not set yet */ | |
94 | if (efivar_get_raw(LOADER_GUID, L"LoaderDevicePartUUID", NULL, NULL) != EFI_SUCCESS) | |
95 | if (disk_get_part_uuid(loaded_image->DeviceHandle, uuid) == EFI_SUCCESS) | |
96 | efivar_set(LOADER_GUID, L"LoaderDevicePartUUID", uuid, 0); | |
97 | ||
98 | /* If LoaderImageIdentifier is not set, assume the image with this stub was loaded directly from the | |
99 | * UEFI firmware without any boot loader, and hence set the LoaderImageIdentifier ourselves. Note | |
100 | * that some boot chain loaders neither set LoaderImageIdentifier nor make FilePath available to us, | |
101 | * in which case there's simple nothing to set for us. (The UEFI spec doesn't really say who's wrong | |
102 | * here, i.e. whether FilePath may be NULL or not, hence handle this gracefully and check if FilePath | |
103 | * is non-NULL explicitly.) */ | |
104 | if (efivar_get_raw(LOADER_GUID, L"LoaderImageIdentifier", NULL, NULL) != EFI_SUCCESS && | |
105 | loaded_image->FilePath) { | |
3639d1b0 | 106 | _cleanup_free_ char16_t *s = NULL; |
616a80fe | 107 | if (device_path_to_str(loaded_image->FilePath, &s) == EFI_SUCCESS) |
9f048123 | 108 | efivar_set(LOADER_GUID, L"LoaderImageIdentifier", s, 0); |
5a186322 LP |
109 | } |
110 | ||
111 | /* if LoaderFirmwareInfo is not set, let's set it */ | |
112 | if (efivar_get_raw(LOADER_GUID, L"LoaderFirmwareInfo", NULL, NULL) != EFI_SUCCESS) { | |
3639d1b0 | 113 | _cleanup_free_ char16_t *s = NULL; |
ec4106af | 114 | s = xpool_print(L"%s %u.%02u", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); |
0a15a824 | 115 | efivar_set(LOADER_GUID, L"LoaderFirmwareInfo", s, 0); |
5a186322 LP |
116 | } |
117 | ||
118 | /* ditto for LoaderFirmwareType */ | |
119 | if (efivar_get_raw(LOADER_GUID, L"LoaderFirmwareType", NULL, NULL) != EFI_SUCCESS) { | |
3639d1b0 | 120 | _cleanup_free_ char16_t *s = NULL; |
ec4106af | 121 | s = xpool_print(L"UEFI %u.%02u", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff); |
0a15a824 | 122 | efivar_set(LOADER_GUID, L"LoaderFirmwareType", s, 0); |
5a186322 LP |
123 | } |
124 | ||
46d33672 | 125 | |
24120e40 LP |
126 | /* add StubInfo (this is one is owned by the stub, hence we unconditionally override this with our |
127 | * own data) */ | |
128 | (void) efivar_set(LOADER_GUID, L"StubInfo", L"systemd-stub " GIT_VERSION, 0); | |
46d33672 LP |
129 | |
130 | (void) efivar_set_uint64_le(LOADER_GUID, L"StubFeatures", stub_features, 0); | |
5a186322 LP |
131 | } |
132 | ||
0fa2cac4 | 133 | EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { |
23002b45 LP |
134 | _cleanup_free_ void *credential_initrd = NULL, *global_credential_initrd = NULL, *sysext_initrd = NULL, *pcrsig_initrd = NULL, *pcrpkey_initrd = NULL; |
135 | UINTN credential_initrd_size = 0, global_credential_initrd_size = 0, sysext_initrd_size = 0, pcrsig_initrd_size = 0, pcrpkey_initrd_size = 0; | |
33bc9b75 | 136 | UINTN cmdline_len = 0, linux_size, initrd_size, dt_size; |
33bc9b75 MR |
137 | EFI_PHYSICAL_ADDRESS linux_base, initrd_base, dt_base; |
138 | _cleanup_(devicetree_cleanup) struct devicetree_state dt_state = {}; | |
b30a43df | 139 | EFI_LOADED_IMAGE_PROTOCOL *loaded_image; |
6017eee9 | 140 | UINTN addrs[_UNIFIED_SECTION_MAX] = {}, szs[_UNIFIED_SECTION_MAX] = {}; |
07d0fde4 JJ |
141 | char *cmdline = NULL; |
142 | _cleanup_free_ char *cmdline_owned = NULL; | |
72c97c19 | 143 | int sections_measured = -1, parameters_measured = -1; |
de7ad6d4 | 144 | bool sysext_measured = false, m; |
0fa2cac4 KS |
145 | EFI_STATUS err; |
146 | ||
147 | InitializeLib(image, sys_table); | |
948d085e JJ |
148 | debug_hook(L"systemd-stub"); |
149 | /* Uncomment the next line if you need to wait for debugger. */ | |
150 | // debug_break(); | |
0fa2cac4 | 151 | |
12f32748 JJ |
152 | err = BS->OpenProtocol( |
153 | image, | |
154 | &LoadedImageProtocol, | |
155 | (void **)&loaded_image, | |
156 | image, | |
157 | NULL, | |
158 | EFI_OPEN_PROTOCOL_GET_PROTOCOL); | |
2a5e4fe4 | 159 | if (err != EFI_SUCCESS) |
8aba0eec | 160 | return log_error_status_stall(err, L"Error getting a LoadedImageProtocol handle: %r", err); |
0fa2cac4 | 161 | |
6017eee9 LP |
162 | err = pe_memory_locate_sections(loaded_image->ImageBase, unified_sections, addrs, szs); |
163 | if (err != EFI_SUCCESS || szs[UNIFIED_SECTION_LINUX] == 0) { | |
2a5e4fe4 | 164 | if (err == EFI_SUCCESS) |
65ff3d26 | 165 | err = EFI_NOT_FOUND; |
8aba0eec | 166 | return log_error_status_stall(err, L"Unable to locate embedded .linux section: %r", err); |
65ff3d26 | 167 | } |
0fa2cac4 | 168 | |
72c97c19 LP |
169 | /* Measure all "payload" of this PE image into a separate PCR (i.e. where nothing else is written |
170 | * into so far), so that we have one PCR that we can nicely write policies against because it | |
171 | * contains all static data of this image, and thus can be easily be pre-calculated. */ | |
6017eee9 | 172 | for (UnifiedSection section = 0; section < _UNIFIED_SECTION_MAX; section++) { |
df7ee6f8 LP |
173 | |
174 | if (!unified_section_measure(section)) /* shall not measure? */ | |
175 | continue; | |
72c97c19 LP |
176 | |
177 | if (szs[section] == 0) /* not found */ | |
178 | continue; | |
179 | ||
df7ee6f8 LP |
180 | m = false; |
181 | ||
72c97c19 LP |
182 | /* First measure the name of the section */ |
183 | (void) tpm_log_event_ascii( | |
184 | TPM_PCR_INDEX_KERNEL_IMAGE, | |
6017eee9 LP |
185 | POINTER_TO_PHYSICAL_ADDRESS(unified_sections[section]), |
186 | strsize8(unified_sections[section]), /* including NUL byte */ | |
187 | unified_sections[section], | |
72c97c19 LP |
188 | &m); |
189 | ||
190 | sections_measured = sections_measured < 0 ? m : (sections_measured && m); | |
191 | ||
192 | /* Then measure the data of the section */ | |
193 | (void) tpm_log_event_ascii( | |
194 | TPM_PCR_INDEX_KERNEL_IMAGE, | |
195 | POINTER_TO_PHYSICAL_ADDRESS(loaded_image->ImageBase) + addrs[section], | |
196 | szs[section], | |
6017eee9 | 197 | unified_sections[section], |
72c97c19 LP |
198 | &m); |
199 | ||
200 | sections_measured = sections_measured < 0 ? m : (sections_measured && m); | |
201 | } | |
202 | ||
203 | /* After we are done, set an EFI variable that tells userspace this was done successfully, and encode | |
204 | * in it which PCR was used. */ | |
205 | if (sections_measured > 0) | |
206 | (void) efivar_set_uint_string(LOADER_GUID, L"StubPcrKernelImage", TPM_PCR_INDEX_KERNEL_IMAGE, 0); | |
207 | ||
94b81afb | 208 | /* Show splash screen as early as possible */ |
957dfcc9 | 209 | graphics_splash((const uint8_t*) loaded_image->ImageBase + addrs[UNIFIED_SECTION_SPLASH], szs[UNIFIED_SECTION_SPLASH]); |
94b81afb | 210 | |
6017eee9 LP |
211 | if (szs[UNIFIED_SECTION_CMDLINE] > 0) { |
212 | cmdline = (char *) loaded_image->ImageBase + addrs[UNIFIED_SECTION_CMDLINE]; | |
213 | cmdline_len = szs[UNIFIED_SECTION_CMDLINE]; | |
e41d3d89 | 214 | } |
0fa2cac4 | 215 | |
03d5449f | 216 | /* if we are not in secure boot mode, or none was provided, accept a custom command line and replace |
5c19169f | 217 | * the built-in one. We also do a superficial check whether first character of passed command line |
03d5449f LP |
218 | * is printable character (for compat with some Dell systems which fill in garbage?). */ |
219 | if ((!secure_boot_enabled() || cmdline_len == 0) && | |
220 | loaded_image->LoadOptionsSize > 0 && | |
221 | ((char16_t *) loaded_image->LoadOptions)[0] > 0x1F) { | |
07d0fde4 | 222 | cmdline_len = (loaded_image->LoadOptionsSize / sizeof(char16_t)) * sizeof(char); |
03d5449f | 223 | cmdline = cmdline_owned = xnew(char, cmdline_len); |
9f048123 | 224 | |
03d5449f LP |
225 | for (UINTN i = 0; i < cmdline_len; i++) { |
226 | char16_t c = ((char16_t *) loaded_image->LoadOptions)[i]; | |
227 | cmdline[i] = c > 0x1F && c < 0x7F ? c : ' '; /* convert non-printable and non_ASCII characters to spaces. */ | |
228 | } | |
92ed3bb4 | 229 | |
e6e24af5 LP |
230 | /* Let's measure the passed kernel command line into the TPM. Note that this possibly |
231 | * duplicates what we already did in the boot menu, if that was already used. However, since | |
232 | * we want the boot menu to support an EFI binary, and want to this stub to be usable from | |
233 | * any boot menu, let's measure things anyway. */ | |
599fe002 LP |
234 | m = false; |
235 | (void) tpm_log_load_options(loaded_image->LoadOptions, &m); | |
236 | parameters_measured = m; | |
0fa2cac4 KS |
237 | } |
238 | ||
5a186322 | 239 | export_variables(loaded_image); |
1aa15def | 240 | |
599fe002 LP |
241 | if (pack_cpio(loaded_image, |
242 | NULL, | |
243 | L".cred", | |
244 | ".extra/credentials", | |
245 | /* dir_mode= */ 0500, | |
246 | /* access_mode= */ 0400, | |
247 | /* tpm_pcr= */ (uint32_t[]) { TPM_PCR_INDEX_KERNEL_PARAMETERS, TPM_PCR_INDEX_KERNEL_PARAMETERS_COMPAT }, | |
248 | /* n_tpm_pcr= */ 2, | |
249 | L"Credentials initrd", | |
250 | &credential_initrd, | |
251 | &credential_initrd_size, | |
252 | &m) == EFI_SUCCESS) | |
253 | parameters_measured = parameters_measured < 0 ? m : (parameters_measured && m); | |
254 | ||
255 | if (pack_cpio(loaded_image, | |
256 | L"\\loader\\credentials", | |
257 | L".cred", | |
258 | ".extra/global_credentials", | |
259 | /* dir_mode= */ 0500, | |
260 | /* access_mode= */ 0400, | |
261 | /* tpm_pcr= */ (uint32_t[]) { TPM_PCR_INDEX_KERNEL_PARAMETERS, TPM_PCR_INDEX_KERNEL_PARAMETERS_COMPAT }, | |
262 | /* n_tpm_pcr= */ 2, | |
263 | L"Global credentials initrd", | |
264 | &global_credential_initrd, | |
265 | &global_credential_initrd_size, | |
266 | &m) == EFI_SUCCESS) | |
267 | parameters_measured = parameters_measured < 0 ? m : (parameters_measured && m); | |
f3b6f333 | 268 | |
de7ad6d4 LP |
269 | if (pack_cpio(loaded_image, |
270 | NULL, | |
271 | L".raw", | |
272 | ".extra/sysext", | |
273 | /* dir_mode= */ 0555, | |
274 | /* access_mode= */ 0444, | |
275 | /* tpm_pcr= */ (uint32_t[]) { TPM_PCR_INDEX_INITRD_SYSEXTS }, | |
276 | /* n_tpm_pcr= */ 1, | |
277 | L"System extension initrd", | |
278 | &sysext_initrd, | |
279 | &sysext_initrd_size, | |
280 | &m) == EFI_SUCCESS) | |
281 | sysext_measured = m; | |
599fe002 LP |
282 | |
283 | if (parameters_measured > 0) | |
284 | (void) efivar_set_uint_string(LOADER_GUID, L"StubPcrKernelParameters", TPM_PCR_INDEX_KERNEL_PARAMETERS, 0); | |
de7ad6d4 LP |
285 | if (sysext_measured) |
286 | (void) efivar_set_uint_string(LOADER_GUID, L"StubPcrInitRDSysExts", TPM_PCR_INDEX_INITRD_SYSEXTS, 0); | |
845707aa | 287 | |
23002b45 LP |
288 | /* If the PCR signature was embedded in the PE image, then let's wrap it in a cpio and also pass it |
289 | * to the kernel, so that it can be read from /.extra/tpm2-pcr-signature.json. Note that this section | |
290 | * is not measured, neither as raw section (see above), nor as cpio (here), because it is the | |
5dcb9c3c | 291 | * signature of expected PCR values, i.e. its input are PCR measurements, and hence it shouldn't |
23002b45 LP |
292 | * itself be input for PCR measurements. */ |
293 | if (szs[UNIFIED_SECTION_PCRSIG] > 0) | |
294 | (void) pack_cpio_literal( | |
295 | (uint8_t*) loaded_image->ImageBase + addrs[UNIFIED_SECTION_PCRSIG], | |
296 | szs[UNIFIED_SECTION_PCRSIG], | |
297 | ".extra", | |
298 | L"tpm2-pcr-signature.json", | |
299 | /* dir_mode= */ 0555, | |
300 | /* access_mode= */ 0444, | |
301 | /* tpm_pcr= */ NULL, | |
302 | /* n_tpm_pcr= */ 0, | |
303 | /* tpm_description= */ NULL, | |
304 | &pcrsig_initrd, | |
305 | &pcrsig_initrd_size, | |
306 | /* ret_measured= */ NULL); | |
307 | ||
308 | /* If the public key used for the PCR signatures was embedded in the PE image, then let's wrap it in | |
309 | * a cpio and also pass it to the kernel, so that it can be read from | |
310 | * /.extra/tpm2-pcr-public-key.pem. This section is already measure above, hence we won't measure the | |
311 | * cpio. */ | |
312 | if (szs[UNIFIED_SECTION_PCRPKEY] > 0) | |
313 | (void) pack_cpio_literal( | |
314 | (uint8_t*) loaded_image->ImageBase + addrs[UNIFIED_SECTION_PCRPKEY], | |
315 | szs[UNIFIED_SECTION_PCRPKEY], | |
316 | ".extra", | |
317 | L"tpm2-pcr-public-key.pem", | |
318 | /* dir_mode= */ 0555, | |
319 | /* access_mode= */ 0444, | |
320 | /* tpm_pcr= */ NULL, | |
321 | /* n_tpm_pcr= */ 0, | |
322 | /* tpm_description= */ NULL, | |
323 | &pcrpkey_initrd, | |
324 | &pcrpkey_initrd_size, | |
325 | /* ret_measured= */ NULL); | |
326 | ||
6017eee9 LP |
327 | linux_size = szs[UNIFIED_SECTION_LINUX]; |
328 | linux_base = POINTER_TO_PHYSICAL_ADDRESS(loaded_image->ImageBase) + addrs[UNIFIED_SECTION_LINUX]; | |
5b5d365d | 329 | |
6017eee9 LP |
330 | initrd_size = szs[UNIFIED_SECTION_INITRD]; |
331 | initrd_base = initrd_size != 0 ? POINTER_TO_PHYSICAL_ADDRESS(loaded_image->ImageBase) + addrs[UNIFIED_SECTION_INITRD] : 0; | |
37fa3690 | 332 | |
6017eee9 LP |
333 | dt_size = szs[UNIFIED_SECTION_DTB]; |
334 | dt_base = dt_size != 0 ? POINTER_TO_PHYSICAL_ADDRESS(loaded_image->ImageBase) + addrs[UNIFIED_SECTION_DTB] : 0; | |
33bc9b75 | 335 | |
09173c91 | 336 | _cleanup_pages_ Pages initrd_pages = {}; |
64650de7 | 337 | if (credential_initrd || global_credential_initrd || sysext_initrd || pcrsig_initrd || pcrpkey_initrd) { |
845707aa LP |
338 | /* If we have generated initrds dynamically, let's combine them with the built-in initrd. */ |
339 | err = combine_initrd( | |
340 | initrd_base, initrd_size, | |
23002b45 LP |
341 | (const void*const[]) { |
342 | credential_initrd, | |
343 | global_credential_initrd, | |
344 | sysext_initrd, | |
345 | pcrsig_initrd, | |
346 | pcrpkey_initrd, | |
347 | }, | |
348 | (const size_t[]) { | |
349 | credential_initrd_size, | |
350 | global_credential_initrd_size, | |
351 | sysext_initrd_size, | |
352 | pcrsig_initrd_size, | |
353 | pcrpkey_initrd_size, | |
354 | }, | |
355 | 5, | |
09173c91 | 356 | &initrd_pages, &initrd_size); |
2a5e4fe4 | 357 | if (err != EFI_SUCCESS) |
845707aa LP |
358 | return err; |
359 | ||
09173c91 JJ |
360 | initrd_base = initrd_pages.addr; |
361 | ||
845707aa | 362 | /* Given these might be large let's free them explicitly, quickly. */ |
f3b6f333 AV |
363 | credential_initrd = mfree(credential_initrd); |
364 | global_credential_initrd = mfree(global_credential_initrd); | |
365 | sysext_initrd = mfree(sysext_initrd); | |
23002b45 LP |
366 | pcrsig_initrd = mfree(pcrsig_initrd); |
367 | pcrpkey_initrd = mfree(pcrpkey_initrd); | |
845707aa | 368 | } |
0fa2cac4 | 369 | |
33bc9b75 MR |
370 | if (dt_size > 0) { |
371 | err = devicetree_install_from_memory( | |
372 | &dt_state, PHYSICAL_ADDRESS_TO_POINTER(dt_base), dt_size); | |
2a5e4fe4 | 373 | if (err != EFI_SUCCESS) |
33bc9b75 MR |
374 | log_error_stall(L"Error loading embedded devicetree: %r", err); |
375 | } | |
376 | ||
a6089431 | 377 | err = linux_exec(image, cmdline, cmdline_len, |
dc467928 | 378 | PHYSICAL_ADDRESS_TO_POINTER(linux_base), linux_size, |
a6089431 | 379 | PHYSICAL_ADDRESS_TO_POINTER(initrd_base), initrd_size); |
e5a1b8f9 | 380 | graphics_mode(false); |
a529d818 | 381 | return err; |
0fa2cac4 | 382 | } |