static bool is_smbios(size_t dptr)
{
const struct smbios_header *smb = (void *)dptr;
return !memcmp(smb->signature, "_SM_", 4) &&
!checksum(smb, smb->len) &&
is_old_dmi(dptr+16);
}
/*
* Find the root structure
*/
static void dmi_find_header(void)
{
size_t dptr;
/* Search for _SM_ or _DMI_ structure */
for (dptr = 0xf0000 ; dptr < 0x100000 ; dptr += 16) {
if (is_smbios(dptr)) {
dmi = (const struct dmi_header *)(dptr + 16);
break;
} else if (is_old_dmi(dptr)) {
dmi = (const struct dmi_header *)dptr;
break;
}
}
}
void dump_dmi(struct backend *be)
{
size_t dptr;
cpio_mkdir(be, "dmi");
/* Search for _SM_ or _DMI_ structure */
for (dptr = 0xf0000 ; dptr < 0x100000 ; dptr += 16) {
if (is_smbios(dptr)) {
dump_smbios(be, dptr);
dptr += 16; /* Skip the subsequent DMI header */
} else if (is_old_dmi(dptr)) {
dump_old_dmi(be, dptr);
}
}
}
