Add gd32 i2c component

Author: cla7aye15I4nd

qiling/hw/i2c/__init__.py

@@ -3,4 +3,5 @@
 # Cross Platform and Multi Architecture Advanced Binary Emulation Framework
 #
 
-from .stm32f4xx_i2c import STM32F4xxI2c
+from .stm32f4xx_i2c import STM32F4xxI2c
+from .gd32vf1xx_i2c import GD32VF1xxI2c

qiling/hw/i2c/gd32vf1xx_i2c.py

@@ -0,0 +1,37 @@
+import ctypes
+
+from qiling.hw.connectivity import QlConnectivityPeripheral
+
+
+class GD32VF1xxI2c(QlConnectivityPeripheral):
+    class Type(ctypes.Structure):
+        """ Inter integrated circuit 
+        """
+
+        _fields_ = [
+            ("CTL0"  , ctypes.c_uint16), # Address offset: 0x0, Control register 0
+            ("CTL1"  , ctypes.c_uint16), # Address offset: 0x04, Control register 1
+            ("SADDR0", ctypes.c_uint16), # Address offset: 0x08, Slave address register 0
+            ("SADDR1", ctypes.c_uint16), # Address offset: 0x0C, Slave address register 1
+            ("DATA"  , ctypes.c_uint16), # Address offset: 0x10, Transfer buffer register
+            ("STAT0" , ctypes.c_uint16), # Address offset: 0x14, Transfer status register 0
+            ("STAT1" , ctypes.c_uint16), # Address offset: 0x18, Transfer status register 1
+            ("CKCFG" , ctypes.c_uint16), # Address offset: 0x1C, Clock configure register
+            ("RT"    , ctypes.c_uint16), # Address offset: 0x20, Rise time register
+        ]
+
+    def __init__(self, ql, label):
+        super().__init__(ql, label)
+
+        self.i2c = self.struct(
+            CTL0   =  0x00000000,
+            CTL1   =  0x00000000,
+            SADDR0 =  0x00000000,
+            SADDR1 =  0x00000000,
+            DATA   =  0x00000000,
+            STAT0  =  0x00000000,
+            STAT1  =  0x00000000,
+            CKCFG  =  0x00000000,
+            RT     =  0x00000002,
+        )
+