Extract major and minor value from QTI perf opcode

extract-opcode.c

#include <stdio.h>

#define EXTRACT_MAJOR_TYPE  0x1FC00000
#define EXTRACT_MINOR_TYPE  0x000FC000
#define SHIFT_BIT_MAJOR_TYPE  22
#define SHIFT_BIT_MINOR_TYPE  14

int main()
{
    unsigned int opcode;
    unsigned char major, minor;
    
    printf("Enter opcode in hex: ");
    scanf("%x", &opcode);
    major = (opcode & EXTRACT_MAJOR_TYPE) >> SHIFT_BIT_MAJOR_TYPE;
    minor = (opcode & EXTRACT_MINOR_TYPE) >> SHIFT_BIT_MINOR_TYPE;
    printf("major=0x%X minor=0x%X", major, minor);

    return 0;
}