Hi Théo, kernel test robot noticed the following build errors: [auto build test ERROR on tty/tty-linus] [also build test ERROR on usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.7-rc4 next-20231205] [cannot apply to tty/tty-testing tty/tty-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Th-o-Lebrun/tty-serial-amba-Use-linux-bits-bitfield-h-macros/20231130-230738 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-linus patch link: https://lore.kernel.org/r/20231130-mbly-uart-v5-2-6566703a04b5%40bootlin.com patch subject: [PATCH v5 2/9] tty: serial: amba: Use linux/{bits,bitfield}.h macros config: arm-ep93xx_defconfig (https://download.01.org/0day-ci/archive/20231206/202312061130.xSPDblkL-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061130.xSPDblkL-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312061130.xSPDblkL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): include/linux/stddef.h: Assembler messages: >> include/linux/stddef.h:10: Error: bad instruction `enum {' >> include/linux/stddef.h:11: Error: junk at end of line, first unrecognized character is `,' include/linux/stddef.h:13: Error: junk at end of line, first unrecognized character is `}' >> arch/arm/include/uapi/asm/swab.h:28: Error: bad instruction `static inline __attribute_const__ __u32 __arch_swab32(__u32 x)' >> arch/arm/include/uapi/asm/swab.h:29: Error: junk at end of line, first unrecognized character is `{' >> arch/arm/include/uapi/asm/swab.h:30: Error: bad instruction `__u32 t' >> arch/arm/include/uapi/asm/swab.h:33: Error: bad instruction `if (!__builtin_constant_p(x)){' >> arch/arm/include/uapi/asm/swab.h:39: Error: bad instruction `asm ("eor\t%0, %1, %1, ror #16":"=r"(t):"r"(x))' arch/arm/include/uapi/asm/swab.h:40: Error: junk at end of line, first unrecognized character is `}' >> arch/arm/include/uapi/asm/swab.h:45: Error: bad instruction `t &=~0x00FF0000' >> arch/arm/include/uapi/asm/swab.h:46: Error: bad instruction `x ^=(t>>8)' >> arch/arm/include/uapi/asm/swab.h:48: Error: bad instruction `return x' arch/arm/include/uapi/asm/swab.h:49: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:48: Error: bad instruction `static inline __attribute_const__ __u16 __fswab16(__u16 val)' >> include/uapi/linux/swab.h:49: Error: junk at end of line, first unrecognized character is `{' >> include/uapi/linux/swab.h:53: Error: bad instruction `return ((__u16)((((__u16)(val)&(__u16)0x00ffU)<<8)|(((__u16)(val)&(__u16)0xff00U)>>8)))' include/uapi/linux/swab.h:55: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:57: Error: bad instruction `static inline __attribute_const__ __u32 __fswab32(__u32 val)' include/uapi/linux/swab.h:58: Error: junk at end of line, first unrecognized character is `{' >> include/uapi/linux/swab.h:60: Error: bad instruction `return __arch_swab32(val)' include/uapi/linux/swab.h:64: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:66: Error: bad instruction `static inline __attribute_const__ __u64 __fswab64(__u64 val)' include/uapi/linux/swab.h:67: Error: junk at end of line, first unrecognized character is `{' >> include/uapi/linux/swab.h:71: Error: bad instruction `__u32 h=val>>32' >> include/uapi/linux/swab.h:72: Error: bad instruction `__u32 l=val&((1ULL<<32)-1)' >> include/uapi/linux/swab.h:73: Error: bad instruction `return (((__u64)__fswab32(l))<<32)|((__u64)(__fswab32(h)))' include/uapi/linux/swab.h:77: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:79: Error: bad instruction `static inline __attribute_const__ __u32 __fswahw32(__u32 val)' include/uapi/linux/swab.h:80: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:84: Error: bad instruction `return ((__u32)((((__u32)(val)&(__u32)0x0000ffffUL)<<16)|(((__u32)(val)&(__u32)0xffff0000UL)>>16)))' include/uapi/linux/swab.h:86: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:88: Error: bad instruction `static inline __attribute_const__ __u32 __fswahb32(__u32 val)' include/uapi/linux/swab.h:89: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:93: Error: bad instruction `return ((__u32)((((__u32)(val)&(__u32)0x00ff00ffUL)<<8)|(((__u32)(val)&(__u32)0xff00ff00UL)>>8)))' include/uapi/linux/swab.h:95: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:136: Error: bad instruction `static inline unsigned long __swab(const unsigned long y)' include/uapi/linux/swab.h:137: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:141: Error: bad instruction `return (__u32)(__builtin_constant_p(y)?((__u32)((((__u32)(y)&(__u32)0x000000ffUL)<<24)|(((__u32)(y)&(__u32)0x0000ff00UL)<<8)|(((__u32)(y)&(__u32)0x00ff0000UL)>>8)|(((__u32)(y)&(__u32)0xff000000UL)>>24))):__fswab32(y))' include/uapi/linux/swab.h:143: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:171: Error: bad instruction `static inline __u16 __swab16p(const __u16*p)' include/uapi/linux/swab.h:172: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:176: Error: bad instruction `return (__u16)(__builtin_constant_p(*p)?((__u16)((((__u16)(*p)&(__u16)0x00ffU)<<8)|(((__u16)(*p)&(__u16)0xff00U)>>8))):__fswab16(*p))' include/uapi/linux/swab.h:178: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:184: Error: bad instruction `static inline __u32 __swab32p(const __u32*p)' include/uapi/linux/swab.h:185: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:189: Error: bad instruction `return (__u32)(__builtin_constant_p(*p)?((__u32)((((__u32)(*p)&(__u32)0x000000ffUL)<<24)|(((__u32)(*p)&(__u32)0x0000ff00UL)<<8)|(((__u32)(*p)&(__u32)0x00ff0000UL)>>8)|(((__u32)(*p)&(__u32)0xff000000UL)>>24))):__fswab32(*p))' include/uapi/linux/swab.h:191: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:197: Error: bad instruction `static inline __u64 __swab64p(const __u64*p)' include/uapi/linux/swab.h:198: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:202: Error: bad instruction `return (__u64)(__builtin_constant_p(*p)?((__u64)((((__u64)(*p)&(__u64)0x00000000000000ffULL)<<56)|(((__u64)(*p)&(__u64)0x000000000000ff00ULL)<<40)|(((__u64)(*p)&(__u64)0x0000000000ff0000ULL)<<24)|(((__u64)(*p)&(__u64)0x00000000ff000000ULL)<<8)|(((__u64)(*p)&(__u64)0x000000ff00000000ULL)>>8)|(((__u64)(*p)&(__u64)0x0000ff0000000000ULL)>>24)|(((__u64)(*p)&(__u64)0x00ff000000000000ULL)>>40)|(((__u64)(*p)&(__u64)0xff00000000000000ULL)>>56))):__fswab64(*p))' include/uapi/linux/swab.h:204: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:212: Error: bad instruction `static inline __u32 __swahw32p(const __u32*p)' include/uapi/linux/swab.h:213: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:217: Error: bad instruction `return (__builtin_constant_p((__u32)(*p))?((__u32)((((__u32)(*p)&(__u32)0x0000ffffUL)<<16)|(((__u32)(*p)&(__u32)0xffff0000UL)>>16))):__fswahw32(*p))' include/uapi/linux/swab.h:219: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:227: Error: bad instruction `static inline __u32 __swahb32p(const __u32*p)' include/uapi/linux/swab.h:228: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:232: Error: bad instruction `return (__builtin_constant_p((__u32)(*p))?((__u32)((((__u32)(*p)&(__u32)0x00ff00ffUL)<<8)|(((__u32)(*p)&(__u32)0xff00ff00UL)>>8))):__fswahb32(*p))' include/uapi/linux/swab.h:234: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:240: Error: bad instruction `static inline void __swab16s(__u16*p)' include/uapi/linux/swab.h:241: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:245: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:247: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:252: Error: bad instruction `static inline void __swab32s(__u32*p)' include/uapi/linux/swab.h:253: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:257: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:259: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:265: Error: bad instruction `static inline void __swab64s(__u64*p)' include/uapi/linux/swab.h:266: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:270: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:272: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:280: Error: bad instruction `static inline void __swahw32s(__u32*p)' include/uapi/linux/swab.h:281: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:285: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:287: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:295: Error: bad instruction `static inline void __swahb32s(__u32*p)' include/uapi/linux/swab.h:296: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:300: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:302: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:24: Error: bad instruction `static inline void swab16_array(u16*buf,unsigned int words)' include/linux/swab.h:25: Error: junk at end of line, first unrecognized character is `{' include/linux/swab.h:26: Error: bad instruction `while (words--){' include/linux/swab.h:27: Error: bad instruction `__swab16s(buf)' include/linux/swab.h:28: Error: bad instruction `buf++' include/linux/swab.h:29: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:30: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:32: Error: bad instruction `static inline void swab32_array(u32*buf,unsigned int words)' include/linux/swab.h:33: Error: junk at end of line, first unrecognized character is `{' include/linux/swab.h:34: Error: bad instruction `while (words--){' include/linux/swab.h:35: Error: bad instruction `__swab32s(buf)' include/linux/swab.h:36: Error: bad instruction `buf++' include/linux/swab.h:37: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:38: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:40: Error: bad instruction `static inline void swab64_array(u64*buf,unsigned int words)' include/linux/swab.h:41: Error: junk at end of line, first unrecognized character is `{' include/linux/swab.h:42: Error: bad instruction `while (words--){' include/linux/swab.h:43: Error: bad instruction `__swab64s(buf)' include/linux/swab.h:44: Error: bad instruction `buf++' include/linux/swab.h:45: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:46: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:45: Error: bad instruction `static inline __le64 __cpu_to_le64p(const __u64*p)' include/uapi/linux/byteorder/little_endian.h:46: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:47: Error: bad instruction `return (__force __le64)*p' include/uapi/linux/byteorder/little_endian.h:48: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:49: Error: bad instruction `static inline __u64 __le64_to_cpup(const __le64*p)' include/uapi/linux/byteorder/little_endian.h:50: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:51: Error: bad instruction `return (__force __u64)*p' include/uapi/linux/byteorder/little_endian.h:52: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:53: Error: bad instruction `static inline __le32 __cpu_to_le32p(const __u32*p)' include/uapi/linux/byteorder/little_endian.h:54: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:55: Error: bad instruction `return (__force __le32)*p' include/uapi/linux/byteorder/little_endian.h:56: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:57: Error: bad instruction `static inline __u32 __le32_to_cpup(const __le32*p)' include/uapi/linux/byteorder/little_endian.h:58: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:59: Error: bad instruction `return (__force __u32)*p' include/uapi/linux/byteorder/little_endian.h:60: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:61: Error: bad instruction `static inline __le16 __cpu_to_le16p(const __u16*p)' include/uapi/linux/byteorder/little_endian.h:62: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:63: Error: bad instruction `return (__force __le16)*p' include/uapi/linux/byteorder/little_endian.h:64: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:65: Error: bad instruction `static inline __u16 __le16_to_cpup(const __le16*p)' include/uapi/linux/byteorder/little_endian.h:66: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:67: Error: bad instruction `return (__force __u16)*p' include/uapi/linux/byteorder/little_endian.h:68: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:69: Error: bad instruction `static inline __be64 __cpu_to_be64p(const __u64*p)' include/uapi/linux/byteorder/little_endian.h:70: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:71: Error: bad instruction `return (__force __be64)__swab64p(p)' include/uapi/linux/byteorder/little_endian.h:72: Error: junk at end of line, first unrecognized character is `}' -- include/linux/stddef.h: Assembler messages: >> include/linux/stddef.h:10: Error: bad instruction `enum {' >> include/linux/stddef.h:11: Error: junk at end of line, first unrecognized character is `,' include/linux/stddef.h:13: Error: junk at end of line, first unrecognized character is `}' >> arch/arm/include/uapi/asm/swab.h:28: Error: bad instruction `static inline __attribute_const__ __u32 __arch_swab32(__u32 x)' >> arch/arm/include/uapi/asm/swab.h:29: Error: junk at end of line, first unrecognized character is `{' >> arch/arm/include/uapi/asm/swab.h:30: Error: bad instruction `__u32 t' >> arch/arm/include/uapi/asm/swab.h:33: Error: bad instruction `if (!__builtin_constant_p(x)){' >> arch/arm/include/uapi/asm/swab.h:39: Error: bad instruction `asm ("eor\t%0, %1, %1, ror #16":"=r"(t):"r"(x))' arch/arm/include/uapi/asm/swab.h:40: Error: junk at end of line, first unrecognized character is `}' >> arch/arm/include/uapi/asm/swab.h:45: Error: bad instruction `t &=~0x00FF0000' >> arch/arm/include/uapi/asm/swab.h:46: Error: bad instruction `x ^=(t>>8)' >> arch/arm/include/uapi/asm/swab.h:48: Error: bad instruction `return x' arch/arm/include/uapi/asm/swab.h:49: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:48: Error: bad instruction `static inline __attribute_const__ __u16 __fswab16(__u16 val)' >> include/uapi/linux/swab.h:49: Error: junk at end of line, first unrecognized character is `{' >> include/uapi/linux/swab.h:53: Error: bad instruction `return ((__u16)((((__u16)(val)&(__u16)0x00ffU)<<8)|(((__u16)(val)&(__u16)0xff00U)>>8)))' include/uapi/linux/swab.h:55: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:57: Error: bad instruction `static inline __attribute_const__ __u32 __fswab32(__u32 val)' include/uapi/linux/swab.h:58: Error: junk at end of line, first unrecognized character is `{' >> include/uapi/linux/swab.h:60: Error: bad instruction `return __arch_swab32(val)' include/uapi/linux/swab.h:64: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:66: Error: bad instruction `static inline __attribute_const__ __u64 __fswab64(__u64 val)' include/uapi/linux/swab.h:67: Error: junk at end of line, first unrecognized character is `{' >> include/uapi/linux/swab.h:71: Error: bad instruction `__u32 h=val>>32' >> include/uapi/linux/swab.h:72: Error: bad instruction `__u32 l=val&((1ULL<<32)-1)' >> include/uapi/linux/swab.h:73: Error: bad instruction `return (((__u64)__fswab32(l))<<32)|((__u64)(__fswab32(h)))' include/uapi/linux/swab.h:77: Error: junk at end of line, first unrecognized character is `}' >> include/uapi/linux/swab.h:79: Error: bad instruction `static inline __attribute_const__ __u32 __fswahw32(__u32 val)' include/uapi/linux/swab.h:80: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:84: Error: bad instruction `return ((__u32)((((__u32)(val)&(__u32)0x0000ffffUL)<<16)|(((__u32)(val)&(__u32)0xffff0000UL)>>16)))' include/uapi/linux/swab.h:86: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:88: Error: bad instruction `static inline __attribute_const__ __u32 __fswahb32(__u32 val)' include/uapi/linux/swab.h:89: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:93: Error: bad instruction `return ((__u32)((((__u32)(val)&(__u32)0x00ff00ffUL)<<8)|(((__u32)(val)&(__u32)0xff00ff00UL)>>8)))' include/uapi/linux/swab.h:95: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:136: Error: bad instruction `static inline unsigned long __swab(const unsigned long y)' include/uapi/linux/swab.h:137: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:141: Error: bad instruction `return (__u32)(__builtin_constant_p(y)?((__u32)((((__u32)(y)&(__u32)0x000000ffUL)<<24)|(((__u32)(y)&(__u32)0x0000ff00UL)<<8)|(((__u32)(y)&(__u32)0x00ff0000UL)>>8)|(((__u32)(y)&(__u32)0xff000000UL)>>24))):__fswab32(y))' include/uapi/linux/swab.h:143: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:171: Error: bad instruction `static inline __u16 __swab16p(const __u16*p)' include/uapi/linux/swab.h:172: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:176: Error: bad instruction `return (__u16)(__builtin_constant_p(*p)?((__u16)((((__u16)(*p)&(__u16)0x00ffU)<<8)|(((__u16)(*p)&(__u16)0xff00U)>>8))):__fswab16(*p))' include/uapi/linux/swab.h:178: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:184: Error: bad instruction `static inline __u32 __swab32p(const __u32*p)' include/uapi/linux/swab.h:185: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:189: Error: bad instruction `return (__u32)(__builtin_constant_p(*p)?((__u32)((((__u32)(*p)&(__u32)0x000000ffUL)<<24)|(((__u32)(*p)&(__u32)0x0000ff00UL)<<8)|(((__u32)(*p)&(__u32)0x00ff0000UL)>>8)|(((__u32)(*p)&(__u32)0xff000000UL)>>24))):__fswab32(*p))' include/uapi/linux/swab.h:191: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:197: Error: bad instruction `static inline __u64 __swab64p(const __u64*p)' include/uapi/linux/swab.h:198: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:202: Error: bad instruction `return (__u64)(__builtin_constant_p(*p)?((__u64)((((__u64)(*p)&(__u64)0x00000000000000ffULL)<<56)|(((__u64)(*p)&(__u64)0x000000000000ff00ULL)<<40)|(((__u64)(*p)&(__u64)0x0000000000ff0000ULL)<<24)|(((__u64)(*p)&(__u64)0x00000000ff000000ULL)<<8)|(((__u64)(*p)&(__u64)0x000000ff00000000ULL)>>8)|(((__u64)(*p)&(__u64)0x0000ff0000000000ULL)>>24)|(((__u64)(*p)&(__u64)0x00ff000000000000ULL)>>40)|(((__u64)(*p)&(__u64)0xff00000000000000ULL)>>56))):__fswab64(*p))' include/uapi/linux/swab.h:204: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:212: Error: bad instruction `static inline __u32 __swahw32p(const __u32*p)' include/uapi/linux/swab.h:213: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:217: Error: bad instruction `return (__builtin_constant_p((__u32)(*p))?((__u32)((((__u32)(*p)&(__u32)0x0000ffffUL)<<16)|(((__u32)(*p)&(__u32)0xffff0000UL)>>16))):__fswahw32(*p))' include/uapi/linux/swab.h:219: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:227: Error: bad instruction `static inline __u32 __swahb32p(const __u32*p)' include/uapi/linux/swab.h:228: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:232: Error: bad instruction `return (__builtin_constant_p((__u32)(*p))?((__u32)((((__u32)(*p)&(__u32)0x00ff00ffUL)<<8)|(((__u32)(*p)&(__u32)0xff00ff00UL)>>8))):__fswahb32(*p))' include/uapi/linux/swab.h:234: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:240: Error: bad instruction `static inline void __swab16s(__u16*p)' include/uapi/linux/swab.h:241: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:245: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:247: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:252: Error: bad instruction `static inline void __swab32s(__u32*p)' include/uapi/linux/swab.h:253: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:257: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:259: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:265: Error: bad instruction `static inline void __swab64s(__u64*p)' include/uapi/linux/swab.h:266: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:270: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:272: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:280: Error: bad instruction `static inline void __swahw32s(__u32*p)' include/uapi/linux/swab.h:281: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:285: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:287: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/swab.h:295: Error: bad instruction `static inline void __swahb32s(__u32*p)' include/uapi/linux/swab.h:296: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/swab.h:300: Error: junk at end of line, first unrecognized character is `*' include/uapi/linux/swab.h:302: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:24: Error: bad instruction `static inline void swab16_array(u16*buf,unsigned int words)' include/linux/swab.h:25: Error: junk at end of line, first unrecognized character is `{' include/linux/swab.h:26: Error: bad instruction `while (words--){' include/linux/swab.h:27: Error: bad instruction `__swab16s(buf)' include/linux/swab.h:28: Error: bad instruction `buf++' include/linux/swab.h:29: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:30: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:32: Error: bad instruction `static inline void swab32_array(u32*buf,unsigned int words)' include/linux/swab.h:33: Error: junk at end of line, first unrecognized character is `{' include/linux/swab.h:34: Error: bad instruction `while (words--){' include/linux/swab.h:35: Error: bad instruction `__swab32s(buf)' include/linux/swab.h:36: Error: bad instruction `buf++' include/linux/swab.h:37: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:38: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:40: Error: bad instruction `static inline void swab64_array(u64*buf,unsigned int words)' include/linux/swab.h:41: Error: junk at end of line, first unrecognized character is `{' include/linux/swab.h:42: Error: bad instruction `while (words--){' include/linux/swab.h:43: Error: bad instruction `__swab64s(buf)' include/linux/swab.h:44: Error: bad instruction `buf++' include/linux/swab.h:45: Error: junk at end of line, first unrecognized character is `}' include/linux/swab.h:46: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:45: Error: bad instruction `static inline __le64 __cpu_to_le64p(const __u64*p)' include/uapi/linux/byteorder/little_endian.h:46: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:47: Error: bad instruction `return (__force __le64)*p' include/uapi/linux/byteorder/little_endian.h:48: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:49: Error: bad instruction `static inline __u64 __le64_to_cpup(const __le64*p)' include/uapi/linux/byteorder/little_endian.h:50: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:51: Error: bad instruction `return (__force __u64)*p' include/uapi/linux/byteorder/little_endian.h:52: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:53: Error: bad instruction `static inline __le32 __cpu_to_le32p(const __u32*p)' include/uapi/linux/byteorder/little_endian.h:54: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:55: Error: bad instruction `return (__force __le32)*p' include/uapi/linux/byteorder/little_endian.h:56: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:57: Error: bad instruction `static inline __u32 __le32_to_cpup(const __le32*p)' include/uapi/linux/byteorder/little_endian.h:58: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:59: Error: bad instruction `return (__force __u32)*p' include/uapi/linux/byteorder/little_endian.h:60: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:61: Error: bad instruction `static inline __le16 __cpu_to_le16p(const __u16*p)' include/uapi/linux/byteorder/little_endian.h:62: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:63: Error: bad instruction `return (__force __le16)*p' include/uapi/linux/byteorder/little_endian.h:64: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:65: Error: bad instruction `static inline __u16 __le16_to_cpup(const __le16*p)' include/uapi/linux/byteorder/little_endian.h:66: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:67: Error: bad instruction `return (__force __u16)*p' include/uapi/linux/byteorder/little_endian.h:68: Error: junk at end of line, first unrecognized character is `}' include/uapi/linux/byteorder/little_endian.h:69: Error: bad instruction `static inline __be64 __cpu_to_be64p(const __u64*p)' include/uapi/linux/byteorder/little_endian.h:70: Error: junk at end of line, first unrecognized character is `{' include/uapi/linux/byteorder/little_endian.h:71: Error: bad instruction `return (__force __be64)__swab64p(p)' include/uapi/linux/byteorder/little_endian.h:72: Error: junk at end of line, first unrecognized character is `}' vim +158 include/linux/bitfield.h e2192de59e457a Johannes Berg 2023-01-18 119 e2192de59e457a Johannes Berg 2023-01-18 120 /** e2192de59e457a Johannes Berg 2023-01-18 121 * FIELD_PREP_CONST() - prepare a constant bitfield element e2192de59e457a Johannes Berg 2023-01-18 122 * @_mask: shifted mask defining the field's length and position e2192de59e457a Johannes Berg 2023-01-18 123 * @_val: value to put in the field e2192de59e457a Johannes Berg 2023-01-18 124 * e2192de59e457a Johannes Berg 2023-01-18 125 * FIELD_PREP_CONST() masks and shifts up the value. The result should e2192de59e457a Johannes Berg 2023-01-18 126 * be combined with other fields of the bitfield using logical OR. e2192de59e457a Johannes Berg 2023-01-18 127 * e2192de59e457a Johannes Berg 2023-01-18 128 * Unlike FIELD_PREP() this is a constant expression and can therefore e2192de59e457a Johannes Berg 2023-01-18 129 * be used in initializers. Error checking is less comfortable for this e2192de59e457a Johannes Berg 2023-01-18 130 * version, and non-constant masks cannot be used. e2192de59e457a Johannes Berg 2023-01-18 131 */ e2192de59e457a Johannes Berg 2023-01-18 132 #define FIELD_PREP_CONST(_mask, _val) \ e2192de59e457a Johannes Berg 2023-01-18 133 ( \ e2192de59e457a Johannes Berg 2023-01-18 134 /* mask must be non-zero */ \ e2192de59e457a Johannes Berg 2023-01-18 135 BUILD_BUG_ON_ZERO((_mask) == 0) + \ e2192de59e457a Johannes Berg 2023-01-18 136 /* check if value fits */ \ e2192de59e457a Johannes Berg 2023-01-18 137 BUILD_BUG_ON_ZERO(~((_mask) >> __bf_shf(_mask)) & (_val)) + \ e2192de59e457a Johannes Berg 2023-01-18 138 /* check if mask is contiguous */ \ e2192de59e457a Johannes Berg 2023-01-18 139 __BF_CHECK_POW2((_mask) + (1ULL << __bf_shf(_mask))) + \ e2192de59e457a Johannes Berg 2023-01-18 140 /* and create the value */ \ e2192de59e457a Johannes Berg 2023-01-18 141 (((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask)) \ e2192de59e457a Johannes Berg 2023-01-18 142 ) e2192de59e457a Johannes Berg 2023-01-18 143 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 144 /** 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 145 * FIELD_GET() - extract a bitfield element 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 146 * @_mask: shifted mask defining the field's length and position 7240767450d6d8 Masahiro Yamada 2017-10-03 147 * @_reg: value of entire bitfield 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 148 * 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 149 * FIELD_GET() extracts the field specified by @_mask from the 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 150 * bitfield passed in as @_reg by masking and shifting it down. 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 151 */ 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 152 #define FIELD_GET(_mask, _reg) \ 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 153 ({ \ 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 154 __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \ 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 155 (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 156 }) 3e9b3112ec74f1 Jakub Kicinski 2016-08-31 157 e7d4a95da86e0b Johannes Berg 2018-06-20 @158 extern void __compiletime_error("value doesn't fit into mask") 00b0c9b82663ac Al Viro 2017-12-14 @159 __field_overflow(void); 00b0c9b82663ac Al Viro 2017-12-14 @160 extern void __compiletime_error("bad bitfield mask") 00b0c9b82663ac Al Viro 2017-12-14 @161 __bad_mask(void); 00b0c9b82663ac Al Viro 2017-12-14 @162 static __always_inline u64 field_multiplier(u64 field) 00b0c9b82663ac Al Viro 2017-12-14 @163 { 00b0c9b82663ac Al Viro 2017-12-14 @164 if ((field | (field - 1)) & ((field | (field - 1)) + 1)) 00b0c9b82663ac Al Viro 2017-12-14 @165 __bad_mask(); 00b0c9b82663ac Al Viro 2017-12-14 @166 return field & -field; 00b0c9b82663ac Al Viro 2017-12-14 167 } 00b0c9b82663ac Al Viro 2017-12-14 @168 static __always_inline u64 field_mask(u64 field) 00b0c9b82663ac Al Viro 2017-12-14 169 { 00b0c9b82663ac Al Viro 2017-12-14 @170 return field / field_multiplier(field); 00b0c9b82663ac Al Viro 2017-12-14 171 } e31a50162feb35 Alex Elder 2020-03-12 172 #define field_max(field) ((typeof(field))field_mask(field)) 00b0c9b82663ac Al Viro 2017-12-14 173 #define ____MAKE_OP(type,base,to,from) \ 00b0c9b82663ac Al Viro 2017-12-14 174 static __always_inline __##type type##_encode_bits(base v, base field) \ 00b0c9b82663ac Al Viro 2017-12-14 175 { \ e7d4a95da86e0b Johannes Berg 2018-06-20 176 if (__builtin_constant_p(v) && (v & ~field_mask(field))) \ 00b0c9b82663ac Al Viro 2017-12-14 177 __field_overflow(); \ 00b0c9b82663ac Al Viro 2017-12-14 178 return to((v & field_mask(field)) * field_multiplier(field)); \ 00b0c9b82663ac Al Viro 2017-12-14 179 } \ 00b0c9b82663ac Al Viro 2017-12-14 180 static __always_inline __##type type##_replace_bits(__##type old, \ 00b0c9b82663ac Al Viro 2017-12-14 181 base val, base field) \ 00b0c9b82663ac Al Viro 2017-12-14 182 { \ 00b0c9b82663ac Al Viro 2017-12-14 183 return (old & ~to(field)) | type##_encode_bits(val, field); \ 00b0c9b82663ac Al Viro 2017-12-14 184 } \ 00b0c9b82663ac Al Viro 2017-12-14 185 static __always_inline void type##p_replace_bits(__##type *p, \ 00b0c9b82663ac Al Viro 2017-12-14 186 base val, base field) \ 00b0c9b82663ac Al Viro 2017-12-14 187 { \ 00b0c9b82663ac Al Viro 2017-12-14 188 *p = (*p & ~to(field)) | type##_encode_bits(val, field); \ 00b0c9b82663ac Al Viro 2017-12-14 189 } \ 00b0c9b82663ac Al Viro 2017-12-14 190 static __always_inline base type##_get_bits(__##type v, base field) \ 00b0c9b82663ac Al Viro 2017-12-14 191 { \ 00b0c9b82663ac Al Viro 2017-12-14 192 return (from(v) & field)/field_multiplier(field); \ 00b0c9b82663ac Al Viro 2017-12-14 193 } 00b0c9b82663ac Al Viro 2017-12-14 194 #define __MAKE_OP(size) \ 00b0c9b82663ac Al Viro 2017-12-14 195 ____MAKE_OP(le##size,u##size,cpu_to_le##size,le##size##_to_cpu) \ 00b0c9b82663ac Al Viro 2017-12-14 196 ____MAKE_OP(be##size,u##size,cpu_to_be##size,be##size##_to_cpu) \ 00b0c9b82663ac Al Viro 2017-12-14 197 ____MAKE_OP(u##size,u##size,,) 37a3862e123826 Johannes Berg 2018-06-20 @198 ____MAKE_OP(u8,u8,,) 00b0c9b82663ac Al Viro 2017-12-14 @199 __MAKE_OP(16) 00b0c9b82663ac Al Viro 2017-12-14 @200 __MAKE_OP(32) 00b0c9b82663ac Al Viro 2017-12-14 @201 __MAKE_OP(64) 00b0c9b82663ac Al Viro 2017-12-14 202 #undef __MAKE_OP 00b0c9b82663ac Al Viro 2017-12-14 203 #undef ____MAKE_OP 00b0c9b82663ac Al Viro 2017-12-14 204 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
