libdebian-installer
Functions
Di_system_subarch

Functions

const char * di_system_subarch_analyze (void)
 
const char * di_system_subarch_analyze_guess (void)
 

Detailed Description

Function Documentation

◆ di_system_subarch_analyze()

const char * di_system_subarch_analyze ( void  )

Returns a string describing the current subarchitecture, e.g. "powermac_newworld".

177{
178 char entry[256];
179 int i;
180 int ret;
181
182 entry[0] = '\0';
183
184 ret = read_dt_model(entry, sizeof(entry));
185 if (ret)
186 ret = read_cpuinfo(entry, sizeof(entry));
187 if (ret)
188 return "generic";
189
190 for (i = 0; map_hardware[i].entry; i++)
191 {
192 if (!strncasecmp(map_hardware[i].entry, entry,
193 strlen(map_hardware[i].entry)))
194 {
195 return( map_hardware[i].ret );
196 }
197 }
198
199 return "generic";
200}

References di_system_is_efi().

Referenced by di_system_subarch_analyze_guess().

◆ di_system_subarch_analyze_guess()

const char * di_system_subarch_analyze_guess ( void  )

Return a string with a best-guess of the current subarchitecture

Only present on armel currently, and is a stub on all other architectures

203{
204 struct utsname sysinfo;
205 size_t uname_release_len, i;
206
207 /* If we detect EFI firmware, bail out early here */
208 if (di_system_is_efi())
209 return "efi";
210
211 /* Attempt to determine subarch based on kernel release version */
212 uname(&sysinfo);
213 uname_release_len = strlen(sysinfo.release);
214
215 for (i = 0; supported_generic_subarches[i] != NULL; i++)
216 {
217 size_t subarch_len = strlen (supported_generic_subarches[i]);
218 if (!strncmp(sysinfo.release+uname_release_len-subarch_len,
219 supported_generic_subarches[i],
220 subarch_len))
221 {
222 return supported_generic_subarches[i];
223 }
224 }
225
226 /* If we get here, try falling back on the normal detection method */
228}
const char * di_system_subarch_analyze(void)
Definition: subarch-arm-linux.c:176
int di_system_is_efi(void)
Definition: efi.c:27

References di_system_is_efi(), and di_system_subarch_analyze().