Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
new file mode 100644
index 0000000..d3284c6
--- /dev/null
+++ b/src/common/tusb_compiler.h
@@ -0,0 +1,258 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+/** \ingroup Group_Common
+ * \defgroup Group_Compiler Compiler
+ * \brief Group_Compiler brief
+ * @{ */
+
+#ifndef _TUSB_COMPILER_H_
+#define _TUSB_COMPILER_H_
+
+#define TU_TOKEN(x) x
+#define TU_STRING(x) #x ///< stringify without expand
+#define TU_XSTRING(x) TU_STRING(x) ///< expand then stringify
+
+#define TU_STRCAT(a, b) a##b ///< concat without expand
+#define TU_STRCAT3(a, b, c) a##b##c ///< concat without expand
+
+#define TU_XSTRCAT(a, b) TU_STRCAT(a, b) ///< expand then concat
+#define TU_XSTRCAT3(a, b, c) TU_STRCAT3(a, b, c) ///< expand then concat 3 tokens
+
+#define TU_INCLUDE_PATH(_dir,_file) TU_XSTRING( TU_TOKEN(_dir)TU_TOKEN(_file) )
+
+#if defined __COUNTER__ && __COUNTER__ != __COUNTER__
+ #define _TU_COUNTER_ __COUNTER__
+#else
+ #define _TU_COUNTER_ __LINE__
+#endif
+
+// Compile-time Assert
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
+ #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
+
+// for declaration of reserved field, make use of _TU_COUNTER_
+#define TU_RESERVED TU_XSTRCAT(reserved, _TU_COUNTER_)
+
+#define TU_LITTLE_ENDIAN (0x12u)
+#define TU_BIG_ENDIAN (0x21u)
+
+/*------------------------------------------------------------------*/
+/* Count number of arguments of __VA_ARGS__
+ * - reference https://stackoverflow.com/questions/2124339/c-preprocessor-va-args-number-of-arguments
+ * - _GET_NTH_ARG() takes args >= N (64) but only expand to Nth one (64th)
+ * - _RSEQ_N() is reverse sequential to N to add padding to have
+ * Nth position is the same as the number of arguments
+ * - ##__VA_ARGS__ is used to deal with 0 paramerter (swallows comma)
+ *------------------------------------------------------------------*/
+#define TU_ARGS_NUM(...) _TU_NARG(_0, ##__VA_ARGS__,_RSEQ_N())
+
+#define _TU_NARG(...) _GET_NTH_ARG(__VA_ARGS__)
+#define _GET_NTH_ARG( \
+ _1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
+ _11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
+ _21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
+ _31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
+ _41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
+ _51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
+ _61,_62,_63,N,...) N
+#define _RSEQ_N() \
+ 62,61,60, \
+ 59,58,57,56,55,54,53,52,51,50, \
+ 49,48,47,46,45,44,43,42,41,40, \
+ 39,38,37,36,35,34,33,32,31,30, \
+ 29,28,27,26,25,24,23,22,21,20, \
+ 19,18,17,16,15,14,13,12,11,10, \
+ 9,8,7,6,5,4,3,2,1,0
+
+// Apply an macro X to each of the arguments with an separated of choice
+#define TU_ARGS_APPLY(_X, _s, ...) TU_XSTRCAT(_TU_ARGS_APPLY_, TU_ARGS_NUM(__VA_ARGS__))(_X, _s, __VA_ARGS__)
+
+#define _TU_ARGS_APPLY_1(_X, _s, _a1) _X(_a1)
+#define _TU_ARGS_APPLY_2(_X, _s, _a1, _a2) _X(_a1) _s _X(_a2)
+#define _TU_ARGS_APPLY_3(_X, _s, _a1, _a2, _a3) _X(_a1) _s _TU_ARGS_APPLY_2(_X, _s, _a2, _a3)
+#define _TU_ARGS_APPLY_4(_X, _s, _a1, _a2, _a3, _a4) _X(_a1) _s _TU_ARGS_APPLY_3(_X, _s, _a2, _a3, _a4)
+#define _TU_ARGS_APPLY_5(_X, _s, _a1, _a2, _a3, _a4, _a5) _X(_a1) _s _TU_ARGS_APPLY_4(_X, _s, _a2, _a3, _a4, _a5)
+#define _TU_ARGS_APPLY_6(_X, _s, _a1, _a2, _a3, _a4, _a5, _a6) _X(_a1) _s _TU_ARGS_APPLY_5(_X, _s, _a2, _a3, _a4, _a5, _a6)
+#define _TU_ARGS_APPLY_7(_X, _s, _a1, _a2, _a3, _a4, _a5, _a6, _a7) _X(_a1) _s _TU_ARGS_APPLY_6(_X, _s, _a2, _a3, _a4, _a5, _a6, _a7)
+#define _TU_ARGS_APPLY_8(_X, _s, _a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8) _X(_a1) _s _TU_ARGS_APPLY_7(_X, _s, _a2, _a3, _a4, _a5, _a6, _a7, _a8)
+
+//--------------------------------------------------------------------+
+// Compiler porting with Attribute and Endian
+//--------------------------------------------------------------------+
+
+// TODO refactor since __attribute__ is supported across many compiler
+#if defined(__GNUC__)
+ #define TU_ATTR_ALIGNED(Bytes) __attribute__ ((aligned(Bytes)))
+ #define TU_ATTR_SECTION(sec_name) __attribute__ ((section(#sec_name)))
+ #define TU_ATTR_PACKED __attribute__ ((packed))
+ #define TU_ATTR_WEAK __attribute__ ((weak))
+ #define TU_ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
+ #define TU_ATTR_DEPRECATED(mess) __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
+ #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_ATTR_PACKED_BEGIN
+ #define TU_ATTR_PACKED_END
+ #define TU_ATTR_BIT_FIELD_ORDER_BEGIN
+ #define TU_ATTR_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
+ #else
+ #define TU_BYTE_ORDER TU_BIG_ENDIAN
+ #endif
+
+ #define TU_BSWAP16(u16) (__builtin_bswap16(u16))
+ #define TU_BSWAP32(u32) (__builtin_bswap32(u32))
+
+ // List of obsolete callback function that is renamed and should not be defined.
+ // Put it here since only gcc support this pragma
+ #pragma GCC poison tud_vendor_control_request_cb
+
+#elif defined(__TI_COMPILER_VERSION__)
+ #define TU_ATTR_ALIGNED(Bytes) __attribute__ ((aligned(Bytes)))
+ #define TU_ATTR_SECTION(sec_name) __attribute__ ((section(#sec_name)))
+ #define TU_ATTR_PACKED __attribute__ ((packed))
+ #define TU_ATTR_WEAK __attribute__ ((weak))
+ #define TU_ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
+ #define TU_ATTR_DEPRECATED(mess) __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
+ #define TU_ATTR_UNUSED __attribute__ ((unused)) // Function/Variable is meant to be possibly unused
+ #define TU_ATTR_USED __attribute__ ((used))
+
+ #define TU_ATTR_PACKED_BEGIN
+ #define TU_ATTR_PACKED_END
+ #define TU_ATTR_BIT_FIELD_ORDER_BEGIN
+ #define TU_ATTR_BIT_FIELD_ORDER_END
+
+ // __BYTE_ORDER is defined in the TI ARM compiler, but not MSP430 (which is little endian)
+ #if ((__BYTE_ORDER__) == (__ORDER_LITTLE_ENDIAN__)) || defined(__MSP430__)
+ #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
+ #else
+ #define TU_BYTE_ORDER TU_BIG_ENDIAN
+ #endif
+
+ #define TU_BSWAP16(u16) (__builtin_bswap16(u16))
+ #define TU_BSWAP32(u32) (__builtin_bswap32(u32))
+
+#elif defined(__ICCARM__)
+ #include <intrinsics.h>
+ #define TU_ATTR_ALIGNED(Bytes) __attribute__ ((aligned(Bytes)))
+ #define TU_ATTR_SECTION(sec_name) __attribute__ ((section(#sec_name)))
+ #define TU_ATTR_PACKED __attribute__ ((packed))
+ #define TU_ATTR_WEAK __attribute__ ((weak))
+ #define TU_ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
+ #define TU_ATTR_DEPRECATED(mess) __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
+ #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_ATTR_PACKED_BEGIN
+ #define TU_ATTR_PACKED_END
+ #define TU_ATTR_BIT_FIELD_ORDER_BEGIN
+ #define TU_ATTR_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
+ #else
+ #define TU_BYTE_ORDER TU_BIG_ENDIAN
+ #endif
+
+ #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_ATTR_PACKED_BEGIN _Pragma("pack")
+ #define TU_ATTR_PACKED_END _Pragma("packoption")
+ #define TU_ATTR_BIT_FIELD_ORDER_BEGIN _Pragma("bit_order right")
+ #define TU_ATTR_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
+ #else
+ #define TU_BYTE_ORDER TU_BIG_ENDIAN
+ #endif
+
+ #define TU_BSWAP16(u16) ((unsigned short)_builtin_revw((unsigned long)u16))
+ #define TU_BSWAP32(u32) (_builtin_revl(u32))
+
+#else
+ #error "Compiler attribute porting is required"
+#endif
+
+#if (TU_BYTE_ORDER == TU_LITTLE_ENDIAN)
+
+ #define tu_htons(u16) (TU_BSWAP16(u16))
+ #define tu_ntohs(u16) (TU_BSWAP16(u16))
+
+ #define tu_htonl(u32) (TU_BSWAP32(u32))
+ #define tu_ntohl(u32) (TU_BSWAP32(u32))
+
+ #define tu_htole16(u16) (u16)
+ #define tu_le16toh(u16) (u16)
+
+ #define tu_htole32(u32) (u32)
+ #define tu_le32toh(u32) (u32)
+
+#elif (TU_BYTE_ORDER == TU_BIG_ENDIAN)
+
+ #define tu_htons(u16) (u16)
+ #define tu_ntohs(u16) (u16)
+
+ #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_htole32(u32) (TU_BSWAP32(u32))
+ #define tu_le32toh(u32) (TU_BSWAP32(u32))
+
+#else
+ #error Byte order is undefined
+#endif
+
+#endif /* _TUSB_COMPILER_H_ */
+
+/// @}