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100 lines
2 KiB
C++
100 lines
2 KiB
C++
#pragma once
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#include <CoreFoundation/CoreFoundation.h>
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#include <IOKit/IOKitLib.h>
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#include <IOKit/ps/IOPSKeys.h>
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#include <IOKit/ps/IOPowerSources.h>
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#include <stdexcept>
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#define VERSION "0.01"
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#define KERNEL_INDEX_SMC 2
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#define SMC_CMD_READ_BYTES 5
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#define SMC_CMD_WRITE_BYTES 6
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#define SMC_CMD_READ_INDEX 8
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#define SMC_CMD_READ_KEYINFO 9
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#define SMC_CMD_READ_PLIMIT 11
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#define SMC_CMD_READ_VERS 12
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#define DATATYPE_FPE2 "fpe2"
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#define DATATYPE_UINT8 "ui8 "
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#define DATATYPE_UINT16 "ui16"
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#define DATATYPE_UINT32 "ui32"
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#define DATATYPE_SP78 "sp78"
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// key values
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#define SMC_KEY_CPU_TEMP "TC0P" // proximity temp?
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#define SMC_KEY_CPU_DIODE_TEMP "TC0D" // diode temp?
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#define SMC_KEY_CPU_DIE_TEMP "TC0F" // die temp?
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#define SMC_KEY_CPU1_TEMP "TC1C"
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#define SMC_KEY_CPU2_TEMP "TC2C" // etc
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#define SMC_KEY_FAN0_RPM_CUR "F0Ac"
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typedef struct {
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char major;
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char minor;
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char build;
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char reserved[1];
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UInt16 release;
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} SMCKeyData_vers_t;
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typedef struct {
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UInt16 version;
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UInt16 length;
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UInt32 cpuPLimit;
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UInt32 gpuPLimit;
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UInt32 memPLimit;
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} SMCKeyData_pLimitData_t;
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typedef struct {
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UInt32 dataSize;
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UInt32 dataType;
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char dataAttributes;
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} SMCKeyData_keyInfo_t;
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typedef char SMCBytes_t[32];
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typedef struct {
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UInt32 key;
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SMCKeyData_vers_t vers;
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SMCKeyData_pLimitData_t pLimitData;
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SMCKeyData_keyInfo_t keyInfo;
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char result;
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char status;
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char data8;
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UInt32 data32;
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SMCBytes_t bytes;
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} SMCKeyData_t;
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typedef char UInt32Char_t[5];
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typedef struct {
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UInt32Char_t key;
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UInt32 dataSize;
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UInt32Char_t dataType;
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SMCBytes_t bytes;
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} SMCVal_t;
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namespace Cpu {
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class SMCConnection {
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public:
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SMCConnection();
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virtual ~SMCConnection();
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long long getTemp(int core);
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private:
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kern_return_t SMCReadKey(UInt32Char_t key, SMCVal_t *val);
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long long getSMCTemp(char *key);
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kern_return_t SMCCall(int index, SMCKeyData_t *inputStructure, SMCKeyData_t *outputStructure);
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io_connect_t conn;
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kern_return_t result;
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mach_port_t masterPort;
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io_iterator_t iterator;
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io_object_t device;
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};
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} // namespace Cpu
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