/*
* Entrypoint from boot.c
*/
void setupFakeEfi(void)
{
// Generate efi device strings
setup_pci_devs(root_pci_dev);
readSMBIOSInfo(getSmbios(SMBIOS_ORIGINAL));
// load smbios.plist file if any
setupSmbiosConfigFile("smbios.plist");
setupSMBIOSTable();
// Initialize the base table
if (archCpuType == CPU_TYPE_I386)
{
setupEfiTables32();
}
else
{
setupEfiTables64();
}
// Initialize the device tree
setupEfiDeviceTree();
saveOriginalSMBIOS();
// Add configuration table entries to both the services table and the device tree
setupEfiConfigurationTable();
}
/*
* Installs all the needed configuration table entries
*/
static void setupEfiConfigurationTable()
{
smbios_p = (EFI_PTR32)getSmbios(SMBIOS_PATCHED);
addConfigurationTable(&gEfiSmbiosTableGuid, &smbios_p, NULL);
setupBoardId(); //need to be called after getSmbios
// Setup ACPI with DSDT overrides (mackerintel's patch)
setupAcpi();
// We've obviously changed the count.. so fix up the CRC32
if (archCpuType == CPU_TYPE_I386)
{
gST32->Hdr.CRC32 = 0;
gST32->Hdr.CRC32 = crc32(0L, gST32, gST32->Hdr.HeaderSize);
}
else
{
gST64->Hdr.CRC32 = 0;
gST64->Hdr.CRC32 = crc32(0L, gST64, gST64->Hdr.HeaderSize);
}
// Setup the chosen node
setupChosenNode();
}
void saveOriginalSMBIOS(void)
{
Node *node;
SMBEntryPoint *origeps;
void *tableAddress;
node = DT__FindNode("/efi/platform", false);
if (!node)
{
verbose("/efi/platform node not found\n");
return;
}
origeps = getSmbios(SMBIOS_ORIGINAL);
if (!origeps)
{
return;
}
tableAddress = (void *)AllocateKernelMemory(origeps->dmi.tableLength);
if (!tableAddress)
{
return;
}
memcpy(tableAddress, (void *)origeps->dmi.tableAddress, origeps->dmi.tableLength);
DT__AddProperty(node, "SMBIOS", origeps->dmi.tableLength, tableAddress);
}
/* Get the SystemID from the bios dmi info */
static EFI_CHAR8* getSmbiosUUID()
{
struct SMBEntryPoint *smbios;
SMBByte *p;
int i, isZero, isOnes;
static EFI_CHAR8 uuid[UUID_LEN];
smbios = getSmbios(SMBIOS_PATCHED); /* checks for _SM_ anchor and table header checksum */
if (smbios==NULL) return 0; // getSmbios() return a non null value if smbios is found
p = (SMBByte*) FindFirstDmiTableOfType(1, 0x19); /* Type 1: (3.3.2) System Information */
if (p==NULL) return NULL;
verbose("Found SMBIOS System Information Table 1\n");
p += 8;
for (i=0, isZero=1, isOnes=1; i<UUID_LEN; i++) {
if (p[i] != 0x00) isZero = 0;
if (p[i] != 0xff) isOnes = 0;
}
if (isZero || isOnes) { /* empty or setable means: no uuid present */
verbose("No UUID present in SMBIOS System Information Table\n");
return 0;
}
memcpy(uuid, p, UUID_LEN);
return uuid;
}
/* Load the smbios.plist override config file if any */
static void setupSmbiosConfigFile()
{
const char * value = getStringForKey(kSMBIOS, &bootInfo->bootConfig);
extern void scan_mem();
if (!value) value = "/Extra/smbios.plist";
if (loadConfigFile(value, &bootInfo->smbiosConfig) == -1) {
verbose("No SMBIOS replacement found\n");
}
// get a chance to scan mem dynamically if user asks for it while having the config options loaded as well
// as opposed to when it was in scan_platform(), also load the orig. smbios so that we can access dmi info without
// patching the smbios yet
getSmbios(SMBIOS_ORIGINAL);
scan_mem();
smbios_p = (EFI_PTR32) getSmbios(SMBIOS_PATCHED); // process smbios asap
}
/* Installs all the needed configuration table entries */
static void setupEfiConfigurationTable()
{
smbios_p = (EFI_PTR32)getSmbios(SMBIOS_PATCHED);
addConfigurationTable(&gEfiSmbiosTableGuid, &smbios_p, NULL);
// Setup ACPI with DSDT overrides (mackerintel's patch)
setupAcpi();
// We've obviously changed the count.. so fix up the CRC32
fixupEfiSystemTableCRC32(gST);
}
static void setupSmbiosConfigFile(const char *filename)
{
char dirSpecSMBIOS[128] = "";
const char *override_pathname = NULL;
int len = 0, err = 0;
extern void scan_mem();
// Take in account user overriding
if (getValueForKey(kSMBIOSKey, &override_pathname, &len, &bootInfo->bootConfig) && len > 0)
{
// Specify a path to a file, e.g. SMBIOS=/Extra/macProXY.plist
sprintf(dirSpecSMBIOS, override_pathname);
err = loadConfigFile(dirSpecSMBIOS, &bootInfo->smbiosConfig);
}
else
{
// Check selected volume's Extra.
sprintf(dirSpecSMBIOS, "/Extra/%s", filename);
if (err = loadConfigFile(dirSpecSMBIOS, &bootInfo->smbiosConfig))
{
// Check booter volume/rdbt Extra.
sprintf(dirSpecSMBIOS, "bt(0,0)/Extra/%s", filename);
err = loadConfigFile(dirSpecSMBIOS, &bootInfo->smbiosConfig);
}
}
if (err)
{
verbose("No SMBIOS replacement found.\n");
}
// get a chance to scan mem dynamically if user asks for it while having the config options loaded as well,
// as opposed to when it was in scan_platform(); also load the orig. smbios so that we can access dmi info without
// patching the smbios yet
getSmbios(SMBIOS_ORIGINAL);
scan_mem();
smbios_p = (EFI_PTR32)getSmbios(SMBIOS_PATCHED); // process smbios asap
}
/** Find next original dmi Table with a particular type */
struct DMIHeader* FindNextDmiTableOfType(int type, int minlength)
{
int i;
if (ftTablePairInit) getSmbios(SMBIOS_ORIGINAL);
for (i=current_pos; i < DmiTablePairCount; i++) {
if (type == DmiTablePair[i].type &&
DmiTablePair[i].dmi &&
DmiTablePair[i].dmi->length >= minlength ) {
current_pos = i+1;
return DmiTablePair[i].dmi;
}
}
return NULL; // not found
};
