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#pragma once
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/ps/IOPSKeys.h>
#include <IOKit/ps/IOPowerSources.h>
#include <stdexcept>
#define VERSION "0.01"
#define KERNEL_INDEX_SMC 2
#define SMC_CMD_READ_BYTES 5
#define SMC_CMD_WRITE_BYTES 6
#define SMC_CMD_READ_INDEX 8
#define SMC_CMD_READ_KEYINFO 9
#define SMC_CMD_READ_PLIMIT 11
#define SMC_CMD_READ_VERS 12
#define DATATYPE_FPE2 "fpe2"
#define DATATYPE_UINT8 "ui8 "
#define DATATYPE_UINT16 "ui16"
#define DATATYPE_UINT32 "ui32"
#define DATATYPE_SP78 "sp78"
// key values
#define SMC_KEY_CPU_TEMP "TC0P" // proximity temp?
#define SMC_KEY_CPU_DIE_TEMP "TC0D" // die temp?
#define SMC_KEY_CPU1_TEMP "TC1C"
#define SMC_KEY_CPU2_TEMP "TC2C" // etc
#define SMC_KEY_FAN0_RPM_CUR "F0Ac"
typedef struct {
char major;
char minor;
char build;
char reserved[1];
UInt16 release;
} SMCKeyData_vers_t;
typedef struct {
UInt16 version;
UInt16 length;
UInt32 cpuPLimit;
UInt32 gpuPLimit;
UInt32 memPLimit;
} SMCKeyData_pLimitData_t;
typedef struct {
UInt32 dataSize;
UInt32 dataType;
char dataAttributes;
} SMCKeyData_keyInfo_t;
typedef char SMCBytes_t[32];
typedef struct {
UInt32 key;
SMCKeyData_vers_t vers;
SMCKeyData_pLimitData_t pLimitData;
SMCKeyData_keyInfo_t keyInfo;
char result;
char status;
char data8;
UInt32 data32;
SMCBytes_t bytes;
} SMCKeyData_t;
typedef char UInt32Char_t[5];
typedef struct {
UInt32Char_t key;
UInt32 dataSize;
UInt32Char_t dataType;
SMCBytes_t bytes;
} SMCVal_t;
namespace Cpu {
class SMCConnection {
public:
SMCConnection();
virtual ~SMCConnection();
long long getTemp(int core);
private:
kern_return_t SMCReadKey(UInt32Char_t key, SMCVal_t *val);
kern_return_t SMCCall(int index, SMCKeyData_t *inputStructure, SMCKeyData_t *outputStructure);
io_connect_t conn;
kern_return_t result;
mach_port_t masterPort;
io_iterator_t iterator;
io_object_t device;
};
} // namespace Cpu
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