Add function to print 64 bit int (qword) to serial

src/serial.c

@@ -47,6 +47,14 @@ void serial_hexword(uint32_t x)
     }
     }
 }
 }
 
 
+void serial_hexqword(uint64_t x)
+{
+    for (int i = 15; i >= 0; i--)
+    {
+        serial_writechar(hexchars[x>>i*4&0xf]);
+    }
+}
+
 void serial_hexstring(void* s, uint32_t n) {
 void serial_hexstring(void* s, uint32_t n) {
     char* d = (char*)s;
     char* d = (char*)s;
     for (uint32_t i = 0; i < n; i++)
     for (uint32_t i = 0; i < n; i++)

src/serial.h

@@ -22,6 +22,7 @@ void serial_writestring(char* s);
 
 
 // Function to write a 4 byte word toserial in hex
 // Function to write a 4 byte word toserial in hex
 void serial_hexword(uint32_t x);
 void serial_hexword(uint32_t x);
+void serial_hexqword(uint64_t x);
 void serial_hexstring(void* s, uint32_t n);
 void serial_hexstring(void* s, uint32_t n);
 
 
 #endif
 #endif