Adaptations for Renesas CCRX toolchain and Rx72N controller performed

1 files changed, 88 insertions, 4 deletions

diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
index 679060b20..508bb126e 100644
--- a/src/common/tusb_compiler.h
+++ b/src/common/tusb_compiler.h
@@ -48,6 +48,8 @@
   #define TU_VERIFY_STATIC   _Static_assert
 #elif defined (__cplusplus) && __cplusplus >= 201103L
   #define TU_VERIFY_STATIC   static_assert
+#elif defined(__CCRX__)
+  #define TU_VERIFY_STATIC(const_expr, _mess) typedef char TU_XSTRCAT(Line, __LINE__)[(const_expr) ? 1 : 0];
 #else
   #define TU_VERIFY_STATIC(const_expr, _mess) enum { TU_XSTRCAT(_verify_static_, _TU_COUNTER_) = 1/(!!(const_expr)) }
 #endif
@@ -62,6 +64,9 @@
 // Compiler porting with Attribute and Endian
 //--------------------------------------------------------------------+
 
+// define the standard definition of this macro to construct a "weak" function name
+#define MAKE_WEAK_FUNC(func_name)  func_name
+
 // TODO refactor since __attribute__ is supported across many compiler
 #if defined(__GNUC__)
   #define TU_ATTR_ALIGNED(Bytes)        __attribute__ ((aligned(Bytes)))
@@ -73,9 +78,17 @@
   #define TU_ATTR_UNUSED                __attribute__ ((unused))           // Function/Variable is meant to be possibly unused
   #define TU_ATTR_USED                  __attribute__ ((used))             // Function/Variable is meant to be used
 
+  #define TU_PACK_STRUCT_BEGIN
+  #define TU_PACK_STRUCT_END
+
+  #define TU_BIT_FIELD_ORDER_BEGIN
+  #define TU_BIT_FIELD_ORDER_END
+
   // Endian conversion use well-known host to network (big endian) naming
   #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
     #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
+    #define TU_ENDIAN_LITTLE_BEGIN
+    #define TU_ENDIAN_LITTLE_END
   #else
     #define TU_BYTE_ORDER TU_BIG_ENDIAN
   #endif
@@ -123,6 +136,77 @@
 
   #define TU_BSWAP16(u16) (__iar_builtin_REV16(u16))
   #define TU_BSWAP32(u32) (__iar_builtin_REV(u32))
+
+#elif defined(__CCRX__)
+  #define TU_ATTR_ALIGNED(Bytes)
+  #define TU_ATTR_SECTION(sec_name)
+  #define TU_ATTR_PACKED
+  #define TU_ATTR_WEAK
+  #define TU_ATTR_ALWAYS_INLINE
+  #define TU_ATTR_DEPRECATED(mess)
+  #define TU_ATTR_UNUSED
+  #define TU_ATTR_USED
+
+  #define TU_PACK_STRUCT_BEGIN _Pragma("pack")
+  #define TU_PACK_STRUCT_END _Pragma("packoption")
+
+  #define TU_BIT_FIELD_ORDER_BEGIN _Pragma("bit_order right")
+  #define TU_BIT_FIELD_ORDER_END _Pragma("bit_order")
+
+  // Endian conversion use well-known host to network (big endian) naming
+  #if defined(__LIT)
+    #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
+    #define TU_ENDIAN_LITTLE_BEGIN
+    #define TU_ENDIAN_LITTLE_END
+  #else
+    #define TU_BYTE_ORDER TU_BIG_ENDIAN
+    #define TU_ENDIAN_LITTLE_BEGIN _Pragma("endian little")
+    #define TU_ENDIAN_LITTLE_END _Pragma("endian")
+  #endif
+
+  #define TU_BSWAP16(u16) ((unsigned short)_builtin_revw((unsigned long)u16))
+  #define TU_BSWAP32(u32) (_builtin_revl(u32))
+
+  /* activate the "aligned" emulation, because this toolchain does not know
+     the aligned attribute (or something similar yet) */
+  #define TU_HAS_NO_ATTR_ALIGNED
+
+  /* activate the "weak" function emulation, because this toolchain does not
+     know the weak attribute (or something similar yet) */
+  #define TU_HAS_NO_ATTR_WEAK
+
+  // make sure to define away the standard definition of this macro
+  #undef MAKE_WEAK_FUNC
+  // Helper macro to construct a "weak" function name
+  #define MAKE_WEAK_FUNC(func_name)  weak_ ## func_name
+
+  #if defined(TU_HAS_NO_ATTR_WEAK)
+  // "Weak function" emulation defined in cdc_device.h
+  #define ADD_WEAK_FUNC_TUD_CDC_RX_CB           0
+  #define ADD_WEAK_FUNC_TUD_CDC_RX_WANTED_CB    0
+  #define ADD_WEAK_FUNC_TUD_CDC_TX_COMPLETE_CB  0
+  #define ADD_WEAK_FUNC_TUD_CDC_LINE_STATE_CB   0
+  #define ADD_WEAK_FUNC_TUD_CDC_LINE_CODING_CB  0
+  #define ADD_WEAK_FUNC_TUD_CDC_SEND_BREAK_CB   0
+
+  // "Weak function" emulation defined in usbd_pvt.h
+  #define ADD_WEAK_FUNC_USBD_APP_DRIVER_GET_CB  0
+
+  // "Weak function" emulation defined in usbd.h
+  #define ADD_WEAK_FUNC_TUD_DESCRIPTOR_BOS_CB               0
+  #define ADD_WEAK_FUNC_TUD_DESCRIPTOR_DEVICE_QUALIFIER_CB  0
+  #define ADD_WEAK_FUNC_TUD_MOUNT_CB                        0
+  #define ADD_WEAK_FUNC_TUD_UMOUNT_CB                       0
+  #define ADD_WEAK_FUNC_TUD_SUSPEND_CB                      0
+  #define ADD_WEAK_FUNC_TUD_RESUME_CB                       0
+  #define ADD_WEAK_FUNC_TUD_VENDOR_CONTROL_XFER_CB          0
+
+  // "Weak function" emulation defined in dcd.h
+  #define ADD_WEAK_FUNC_DCD_EDPT0_STATUS_COMPLETE  0
+  #define ADD_WEAK_FUNC_DCD_EDPT_CLOSE             0
+  #define ADD_WEAK_FUNC_DCD_EDPT_XFER_FIFO         0
+  #endif
+
 #else 
   #error "Compiler attribute porting is required"
 #endif
@@ -149,11 +233,11 @@
   #define tu_htonl(u32)  (u32)
   #define tu_ntohl(u32)  (u32)
 
-  #define tu_htole16(u16) (tu_bswap16(u16))
-  #define tu_le16toh(u16) (tu_bswap16(u16))
+  #define tu_htole16(u16) (TU_BSWAP16(u16))
+  #define tu_le16toh(u16) (TU_BSWAP16(u16))
 
-  #define tu_htole32(u32) (tu_bswap32(u32))
-  #define tu_le32toh(u32) (tu_bswap32(u32))
+  #define tu_htole32(u32) (TU_BSWAP32(u32))
+  #define tu_le32toh(u32) (TU_BSWAP32(u32))
 
 #else
   #error Byte order is undefined