}
}
-std::string sys::getHostCPUName() {
+StringRef sys::getHostCPUName() {
unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0;
if (GetX86CpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX))
return "generic";
return "generic";
}
#elif defined(__APPLE__) && (defined(__ppc__) || defined(__powerpc__))
-std::string sys::getHostCPUName() {
+StringRef sys::getHostCPUName() {
host_basic_info_data_t hostInfo;
mach_msg_type_number_t infoCount;
return "generic";
}
#elif defined(__linux__) && (defined(__ppc__) || defined(__powerpc__))
-std::string sys::getHostCPUName() {
+StringRef sys::getHostCPUName() {
// Access to the Processor Version Register (PVR) on PowerPC is privileged,
// and so we must use an operating-system interface to determine the current
// processor type. On Linux, this is exposed through the /proc/cpuinfo file.
.Default(generic);
}
#elif defined(__linux__) && defined(__arm__)
-std::string sys::getHostCPUName() {
+StringRef sys::getHostCPUName() {
// The cpuid register on arm is not accessible from user space. On Linux,
// it is exposed through the /proc/cpuinfo file.
// Note: We cannot mmap /proc/cpuinfo here and then process the resulting
.Case("0xc24", "cortex-m4")
.Default("generic");
+ if (Implementer == "0x51") // Qualcomm Technologies, Inc.
+ // Look for the CPU part line.
+ for (unsigned I = 0, E = Lines.size(); I != E; ++I)
+ if (Lines[I].startswith("CPU part"))
+ // The CPU part is a 3 digit hexadecimal number with a 0x prefix. The
+ // values correspond to the "Part number" in the CP15/c0 register. The
+ // contents are specified in the various processor manuals.
+ return StringSwitch<const char *>(Lines[I].substr(8).ltrim("\t :"))
+ .Case("0x06f", "krait") // APQ8064
+ .Default("generic");
+
return "generic";
}
#elif defined(__linux__) && defined(__s390x__)
-std::string sys::getHostCPUName() {
+StringRef sys::getHostCPUName() {
// STIDP is a privileged operation, so use /proc/cpuinfo instead.
// Note: We cannot mmap /proc/cpuinfo here and then process the resulting
// memory buffer because the 'file' has 0 size (it can be read from only
return "generic";
}
#else
-std::string sys::getHostCPUName() {
+StringRef sys::getHostCPUName() {
return "generic";
}
#endif