diff options
Diffstat (limited to 'arch/alpha/include/uapi/asm')
41 files changed, 2517 insertions, 0 deletions
diff --git a/arch/alpha/include/uapi/asm/Kbuild b/arch/alpha/include/uapi/asm/Kbuild index baebb3da1d4..d96f2ef5b63 100644 --- a/arch/alpha/include/uapi/asm/Kbuild +++ b/arch/alpha/include/uapi/asm/Kbuild @@ -1,3 +1,43 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += a.out.h +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += compiler.h +header-y += console.h +header-y += errno.h +header-y += fcntl.h +header-y += fpu.h +header-y += gentrap.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += pal.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += reg.h +header-y += regdef.h +header-y += resource.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += sysinfo.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/alpha/include/uapi/asm/a.out.h b/arch/alpha/include/uapi/asm/a.out.h new file mode 100644 index 00000000000..547707246f6 --- /dev/null +++ b/arch/alpha/include/uapi/asm/a.out.h @@ -0,0 +1,91 @@ +#ifndef _UAPI__ALPHA_A_OUT_H__ +#define _UAPI__ALPHA_A_OUT_H__ + +#include <linux/types.h> + +/* + * OSF/1 ECOFF header structs. ECOFF files consist of: + * - a file header (struct filehdr), + * - an a.out header (struct aouthdr), + * - one or more section headers (struct scnhdr). + * The filhdr's "f_nscns" field contains the + * number of section headers. + */ + +struct filehdr +{ + /* OSF/1 "file" header */ + __u16 f_magic, f_nscns; + __u32 f_timdat; + __u64 f_symptr; + __u32 f_nsyms; + __u16 f_opthdr, f_flags; +}; + +struct aouthdr +{ + __u64 info; /* after that it looks quite normal.. */ + __u64 tsize; + __u64 dsize; + __u64 bsize; + __u64 entry; + __u64 text_start; /* with a few additions that actually make sense */ + __u64 data_start; + __u64 bss_start; + __u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */ + __u64 gpvalue; +}; + +struct scnhdr +{ + char s_name[8]; + __u64 s_paddr; + __u64 s_vaddr; + __u64 s_size; + __u64 s_scnptr; + __u64 s_relptr; + __u64 s_lnnoptr; + __u16 s_nreloc; + __u16 s_nlnno; + __u32 s_flags; +}; + +struct exec +{ + /* OSF/1 "file" header */ + struct filehdr fh; + struct aouthdr ah; +}; + +/* + * Define's so that the kernel exec code can access the a.out header + * fields... + */ +#define a_info ah.info +#define a_text ah.tsize +#define a_data ah.dsize +#define a_bss ah.bsize +#define a_entry ah.entry +#define a_textstart ah.text_start +#define a_datastart ah.data_start +#define a_bssstart ah.bss_start +#define a_gprmask ah.gprmask +#define a_fprmask ah.fprmask +#define a_gpvalue ah.gpvalue + +#define N_TXTADDR(x) ((x).a_textstart) +#define N_DATADDR(x) ((x).a_datastart) +#define N_BSSADDR(x) ((x).a_bssstart) +#define N_DRSIZE(x) 0 +#define N_TRSIZE(x) 0 +#define N_SYMSIZE(x) 0 + +#define AOUTHSZ sizeof(struct aouthdr) +#define SCNHSZ sizeof(struct scnhdr) +#define SCNROUND 16 + +#define N_TXTOFF(x) \ + ((long) N_MAGIC(x) == ZMAGIC ? 0 : \ + (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1)) + +#endif /* _UAPI__ALPHA_A_OUT_H__ */ diff --git a/arch/alpha/include/uapi/asm/auxvec.h b/arch/alpha/include/uapi/asm/auxvec.h new file mode 100644 index 00000000000..a3a579dfdb4 --- /dev/null +++ b/arch/alpha/include/uapi/asm/auxvec.h @@ -0,0 +1,26 @@ +#ifndef __ASM_ALPHA_AUXVEC_H +#define __ASM_ALPHA_AUXVEC_H + +/* Reserve these numbers for any future use of a VDSO. */ +#if 0 +#define AT_SYSINFO 32 +#define AT_SYSINFO_EHDR 33 +#endif + +/* More complete cache descriptions than AT_[DIU]CACHEBSIZE. If the + value is -1, then the cache doesn't exist. Otherwise: + + bit 0-3: Cache set-associativity; 0 means fully associative. + bit 4-7: Log2 of cacheline size. + bit 8-31: Size of the entire cache >> 8. + bit 32-63: Reserved. +*/ + +#define AT_L1I_CACHESHAPE 34 +#define AT_L1D_CACHESHAPE 35 +#define AT_L2_CACHESHAPE 36 +#define AT_L3_CACHESHAPE 37 + +#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */ + +#endif /* __ASM_ALPHA_AUXVEC_H */ diff --git a/arch/alpha/include/uapi/asm/bitsperlong.h b/arch/alpha/include/uapi/asm/bitsperlong.h new file mode 100644 index 00000000000..ad57f786820 --- /dev/null +++ b/arch/alpha/include/uapi/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_ALPHA_BITSPERLONG_H +#define __ASM_ALPHA_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_ALPHA_BITSPERLONG_H */ diff --git a/arch/alpha/include/uapi/asm/byteorder.h b/arch/alpha/include/uapi/asm/byteorder.h new file mode 100644 index 00000000000..73683093202 --- /dev/null +++ b/arch/alpha/include/uapi/asm/byteorder.h @@ -0,0 +1,6 @@ +#ifndef _ALPHA_BYTEORDER_H +#define _ALPHA_BYTEORDER_H + +#include <linux/byteorder/little_endian.h> + +#endif /* _ALPHA_BYTEORDER_H */ diff --git a/arch/alpha/include/uapi/asm/compiler.h b/arch/alpha/include/uapi/asm/compiler.h new file mode 100644 index 00000000000..32cc7833f0c --- /dev/null +++ b/arch/alpha/include/uapi/asm/compiler.h @@ -0,0 +1,117 @@ +#ifndef _UAPI__ALPHA_COMPILER_H +#define _UAPI__ALPHA_COMPILER_H + +/* + * Herein are macros we use when describing various patterns we want to GCC. + * In all cases we can get better schedules out of the compiler if we hide + * as little as possible inside inline assembly. However, we want to be + * able to know what we'll get out before giving up inline assembly. Thus + * these tests and macros. + */ + +#if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 +# define __kernel_insbl(val, shift) __builtin_alpha_insbl(val, shift) +# define __kernel_inswl(val, shift) __builtin_alpha_inswl(val, shift) +# define __kernel_insql(val, shift) __builtin_alpha_insql(val, shift) +# define __kernel_inslh(val, shift) __builtin_alpha_inslh(val, shift) +# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift) +# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift) +# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b) +#else +# define __kernel_insbl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("insbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_inswl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("inswl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_insql(val, shift) \ + ({ unsigned long __kir; \ + __asm__("insql %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_inslh(val, shift) \ + ({ unsigned long __kir; \ + __asm__("inslh %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_extbl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("extbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_extwl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("extwl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_cmpbge(a, b) \ + ({ unsigned long __kir; \ + __asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \ + __kir; }) +#endif + +#ifdef __alpha_cix__ +# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 +# define __kernel_cttz(x) __builtin_ctzl(x) +# define __kernel_ctlz(x) __builtin_clzl(x) +# define __kernel_ctpop(x) __builtin_popcountl(x) +# else +# define __kernel_cttz(x) \ + ({ unsigned long __kir; \ + __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctlz(x) \ + ({ unsigned long __kir; \ + __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctpop(x) \ + ({ unsigned long __kir; \ + __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# endif +#else +# define __kernel_cttz(x) \ + ({ unsigned long __kir; \ + __asm__(".arch ev67; cttz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctlz(x) \ + ({ unsigned long __kir; \ + __asm__(".arch ev67; ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctpop(x) \ + ({ unsigned long __kir; \ + __asm__(".arch ev67; ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +#endif + + +/* + * Beginning with EGCS 1.1, GCC defines __alpha_bwx__ when the BWX + * extension is enabled. Previous versions did not define anything + * we could test during compilation -- too bad, so sad. + */ + +#if defined(__alpha_bwx__) +#define __kernel_ldbu(mem) (mem) +#define __kernel_ldwu(mem) (mem) +#define __kernel_stb(val,mem) ((mem) = (val)) +#define __kernel_stw(val,mem) ((mem) = (val)) +#else +#define __kernel_ldbu(mem) \ + ({ unsigned char __kir; \ + __asm__(".arch ev56; \ + ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \ + __kir; }) +#define __kernel_ldwu(mem) \ + ({ unsigned short __kir; \ + __asm__(".arch ev56; \ + ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \ + __kir; }) +#define __kernel_stb(val,mem) \ + __asm__(".arch ev56; \ + stb %1,%0" : "=m"(mem) : "r"(val)) +#define __kernel_stw(val,mem) \ + __asm__(".arch ev56; \ + stw %1,%0" : "=m"(mem) : "r"(val)) +#endif + + +#endif /* _UAPI__ALPHA_COMPILER_H */ diff --git a/arch/alpha/include/uapi/asm/console.h b/arch/alpha/include/uapi/asm/console.h new file mode 100644 index 00000000000..fd08a191f36 --- /dev/null +++ b/arch/alpha/include/uapi/asm/console.h @@ -0,0 +1,50 @@ +#ifndef _UAPI__AXP_CONSOLE_H +#define _UAPI__AXP_CONSOLE_H + +/* + * Console callback routine numbers + */ +#define CCB_GETC 0x01 +#define CCB_PUTS 0x02 +#define CCB_RESET_TERM 0x03 +#define CCB_SET_TERM_INT 0x04 +#define CCB_SET_TERM_CTL 0x05 +#define CCB_PROCESS_KEYCODE 0x06 +#define CCB_OPEN_CONSOLE 0x07 +#define CCB_CLOSE_CONSOLE 0x08 + +#define CCB_OPEN 0x10 +#define CCB_CLOSE 0x11 +#define CCB_IOCTL 0x12 +#define CCB_READ 0x13 +#define CCB_WRITE 0x14 + +#define CCB_SET_ENV 0x20 +#define CCB_RESET_ENV 0x21 +#define CCB_GET_ENV 0x22 +#define CCB_SAVE_ENV 0x23 + +#define CCB_PSWITCH 0x30 +#define CCB_BIOS_EMUL 0x32 + +/* + * Environment variable numbers + */ +#define ENV_AUTO_ACTION 0x01 +#define ENV_BOOT_DEV 0x02 +#define ENV_BOOTDEF_DEV 0x03 +#define ENV_BOOTED_DEV 0x04 +#define ENV_BOOT_FILE 0x05 +#define ENV_BOOTED_FILE 0x06 +#define ENV_BOOT_OSFLAGS 0x07 +#define ENV_BOOTED_OSFLAGS 0x08 +#define ENV_BOOT_RESET 0x09 +#define ENV_DUMP_DEV 0x0A +#define ENV_ENABLE_AUDIT 0x0B +#define ENV_LICENSE 0x0C +#define ENV_CHAR_SET 0x0D +#define ENV_LANGUAGE 0x0E +#define ENV_TTY_DEV 0x0F + + +#endif /* _UAPI__AXP_CONSOLE_H */ diff --git a/arch/alpha/include/uapi/asm/errno.h b/arch/alpha/include/uapi/asm/errno.h new file mode 100644 index 00000000000..e5f29ca2818 --- /dev/null +++ b/arch/alpha/include/uapi/asm/errno.h @@ -0,0 +1,127 @@ +#ifndef _ALPHA_ERRNO_H +#define _ALPHA_ERRNO_H + +#include <asm-generic/errno-base.h> + +#undef EAGAIN /* 11 in errno-base.h */ + +#define EDEADLK 11 /* Resource deadlock would occur */ + +#define EAGAIN 35 /* Try again */ +#define EWOULDBLOCK EAGAIN /* Operation would block */ +#define EINPROGRESS 36 /* Operation now in progress */ +#define EALREADY 37 /* Operation already in progress */ +#define ENOTSOCK 38 /* Socket operation on non-socket */ +#define EDESTADDRREQ 39 /* Destination address required */ +#define EMSGSIZE 40 /* Message too long */ +#define EPROTOTYPE 41 /* Protocol wrong type for socket */ +#define ENOPROTOOPT 42 /* Protocol not available */ +#define EPROTONOSUPPORT 43 /* Protocol not supported */ +#define ESOCKTNOSUPPORT 44 /* Socket type not supported */ +#define EOPNOTSUPP 45 /* Operation not supported on transport endpoint */ +#define EPFNOSUPPORT 46 /* Protocol family not supported */ +#define EAFNOSUPPORT 47 /* Address family not supported by protocol */ +#define EADDRINUSE 48 /* Address already in use */ +#define EADDRNOTAVAIL 49 /* Cannot assign requested address */ +#define ENETDOWN 50 /* Network is down */ +#define ENETUNREACH 51 /* Network is unreachable */ +#define ENETRESET 52 /* Network dropped connection because of reset */ +#define ECONNABORTED 53 /* Software caused connection abort */ +#define ECONNRESET 54 /* Connection reset by peer */ +#define ENOBUFS 55 /* No buffer space available */ +#define EISCONN 56 /* Transport endpoint is already connected */ +#define ENOTCONN 57 /* Transport endpoint is not connected */ +#define ESHUTDOWN 58 /* Cannot send after transport endpoint shutdown */ +#define ETOOMANYREFS 59 /* Too many references: cannot splice */ +#define ETIMEDOUT 60 /* Connection timed out */ +#define ECONNREFUSED 61 /* Connection refused */ +#define ELOOP 62 /* Too many symbolic links encountered */ +#define ENAMETOOLONG 63 /* File name too long */ +#define EHOSTDOWN 64 /* Host is down */ +#define EHOSTUNREACH 65 /* No route to host */ +#define ENOTEMPTY 66 /* Directory not empty */ + +#define EUSERS 68 /* Too many users */ +#define EDQUOT 69 /* Quota exceeded */ +#define ESTALE 70 /* Stale NFS file handle */ +#define EREMOTE 71 /* Object is remote */ + +#define ENOLCK 77 /* No record locks available */ +#define ENOSYS 78 /* Function not implemented */ + +#define ENOMSG 80 /* No message of desired type */ +#define EIDRM 81 /* Identifier removed */ +#define ENOSR 82 /* Out of streams resources */ +#define ETIME 83 /* Timer expired */ +#define EBADMSG 84 /* Not a data message */ +#define EPROTO 85 /* Protocol error */ +#define ENODATA 86 /* No data available */ +#define ENOSTR 87 /* Device not a stream */ + +#define ENOPKG 92 /* Package not installed */ + +#define EILSEQ 116 /* Illegal byte sequence */ + +/* The following are just random noise.. */ +#define ECHRNG 88 /* Channel number out of range */ +#define EL2NSYNC 89 /* Level 2 not synchronized */ +#define EL3HLT 90 /* Level 3 halted */ +#define EL3RST 91 /* Level 3 reset */ + +#define ELNRNG 93 /* Link number out of range */ +#define EUNATCH 94 /* Protocol driver not attached */ +#define ENOCSI 95 /* No CSI structure available */ +#define EL2HLT 96 /* Level 2 halted */ +#define EBADE 97 /* Invalid exchange */ +#define EBADR 98 /* Invalid request descriptor */ +#define EXFULL 99 /* Exchange full */ +#define ENOANO 100 /* No anode */ +#define EBADRQC 101 /* Invalid request code */ +#define EBADSLT 102 /* Invalid slot */ + +#define EDEADLOCK EDEADLK + +#define EBFONT 104 /* Bad font file format */ +#define ENONET 105 /* Machine is not on the network */ +#define ENOLINK 106 /* Link has been severed */ +#define EADV 107 /* Advertise error */ +#define ESRMNT 108 /* Srmount error */ +#define ECOMM 109 /* Communication error on send */ +#define EMULTIHOP 110 /* Multihop attempted */ +#define EDOTDOT 111 /* RFS specific error */ +#define EOVERFLOW 112 /* Value too large for defined data type */ +#define ENOTUNIQ 113 /* Name not unique on network */ +#define EBADFD 114 /* File descriptor in bad state */ +#define EREMCHG 115 /* Remote address changed */ + +#define EUCLEAN 117 /* Structure needs cleaning */ +#define ENOTNAM 118 /* Not a XENIX named type file */ +#define ENAVAIL 119 /* No XENIX semaphores available */ +#define EISNAM 120 /* Is a named type file */ +#define EREMOTEIO 121 /* Remote I/O error */ + +#define ELIBACC 122 /* Can not access a needed shared library */ +#define ELIBBAD 123 /* Accessing a corrupted shared library */ +#define ELIBSCN 124 /* .lib section in a.out corrupted */ +#define ELIBMAX 125 /* Attempting to link in too many shared libraries */ +#define ELIBEXEC 126 /* Cannot exec a shared library directly */ +#define ERESTART 127 /* Interrupted system call should be restarted */ +#define ESTRPIPE 128 /* Streams pipe error */ + +#define ENOMEDIUM 129 /* No medium found */ +#define EMEDIUMTYPE 130 /* Wrong medium type */ +#define ECANCELED 131 /* Operation Cancelled */ +#define ENOKEY 132 /* Required key not available */ +#define EKEYEXPIRED 133 /* Key has expired */ +#define EKEYREVOKED 134 /* Key has been revoked */ +#define EKEYREJECTED 135 /* Key was rejected by service */ + +/* for robust mutexes */ +#define EOWNERDEAD 136 /* Owner died */ +#define ENOTRECOVERABLE 137 /* State not recoverable */ + +#define ERFKILL 138 /* Operation not possible due to RF-kill */ + +#define EHWPOISON 139 /* Memory page has hardware error */ + +#endif diff --git a/arch/alpha/include/uapi/asm/fcntl.h b/arch/alpha/include/uapi/asm/fcntl.h new file mode 100644 index 00000000000..6d9e805f18a --- /dev/null +++ b/arch/alpha/include/uapi/asm/fcntl.h @@ -0,0 +1,56 @@ +#ifndef _ALPHA_FCNTL_H +#define _ALPHA_FCNTL_H + +#define O_CREAT 01000 /* not fcntl */ +#define O_TRUNC 02000 /* not fcntl */ +#define O_EXCL 04000 /* not fcntl */ +#define O_NOCTTY 010000 /* not fcntl */ + +#define O_NONBLOCK 00004 +#define O_APPEND 00010 +#define O_DSYNC 040000 /* used to be O_SYNC, see below */ +#define O_DIRECTORY 0100000 /* must be a directory */ +#define O_NOFOLLOW 0200000 /* don't follow links */ +#define O_LARGEFILE 0400000 /* will be set by the kernel on every open */ +#define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */ +#define O_NOATIME 04000000 +#define O_CLOEXEC 010000000 /* set close_on_exec */ +/* + * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using + * the O_SYNC flag. We continue to use the existing numerical value + * for O_DSYNC semantics now, but using the correct symbolic name for it. + * This new value is used to request true Posix O_SYNC semantics. It is + * defined in this strange way to make sure applications compiled against + * new headers get at least O_DSYNC semantics on older kernels. + * + * This has the nice side-effect that we can simply test for O_DSYNC + * wherever we do not care if O_DSYNC or O_SYNC is used. + * + * Note: __O_SYNC must never be used directly. + */ +#define __O_SYNC 020000000 +#define O_SYNC (__O_SYNC|O_DSYNC) + +#define O_PATH 040000000 + +#define F_GETLK 7 +#define F_SETLK 8 +#define F_SETLKW 9 + +#define F_SETOWN 5 /* for sockets. */ +#define F_GETOWN 6 /* for sockets. */ +#define F_SETSIG 10 /* for sockets. */ +#define F_GETSIG 11 /* for sockets. */ + +/* for posix fcntl() and lockf() */ +#define F_RDLCK 1 +#define F_WRLCK 2 +#define F_UNLCK 8 + +/* for old implementation of bsd flock () */ +#define F_EXLCK 16 /* or 3 */ +#define F_SHLCK 32 /* or 4 */ + +#include <asm-generic/fcntl.h> + +#endif diff --git a/arch/alpha/include/uapi/asm/fpu.h b/arch/alpha/include/uapi/asm/fpu.h new file mode 100644 index 00000000000..21a053ca223 --- /dev/null +++ b/arch/alpha/include/uapi/asm/fpu.h @@ -0,0 +1,123 @@ +#ifndef _UAPI__ASM_ALPHA_FPU_H +#define _UAPI__ASM_ALPHA_FPU_H + + +/* + * Alpha floating-point control register defines: + */ +#define FPCR_DNOD (1UL<<47) /* denorm INV trap disable */ +#define FPCR_DNZ (1UL<<48) /* denorms to zero */ +#define FPCR_INVD (1UL<<49) /* invalid op disable (opt.) */ +#define FPCR_DZED (1UL<<50) /* division by zero disable (opt.) */ +#define FPCR_OVFD (1UL<<51) /* overflow disable (optional) */ +#define FPCR_INV (1UL<<52) /* invalid operation */ +#define FPCR_DZE (1UL<<53) /* division by zero */ +#define FPCR_OVF (1UL<<54) /* overflow */ +#define FPCR_UNF (1UL<<55) /* underflow */ +#define FPCR_INE (1UL<<56) /* inexact */ +#define FPCR_IOV (1UL<<57) /* integer overflow */ +#define FPCR_UNDZ (1UL<<60) /* underflow to zero (opt.) */ +#define FPCR_UNFD (1UL<<61) /* underflow disable (opt.) */ +#define FPCR_INED (1UL<<62) /* inexact disable (opt.) */ +#define FPCR_SUM (1UL<<63) /* summary bit */ + +#define FPCR_DYN_SHIFT 58 /* first dynamic rounding mode bit */ +#define FPCR_DYN_CHOPPED (0x0UL << FPCR_DYN_SHIFT) /* towards 0 */ +#define FPCR_DYN_MINUS (0x1UL << FPCR_DYN_SHIFT) /* towards -INF */ +#define FPCR_DYN_NORMAL (0x2UL << FPCR_DYN_SHIFT) /* towards nearest */ +#define FPCR_DYN_PLUS (0x3UL << FPCR_DYN_SHIFT) /* towards +INF */ +#define FPCR_DYN_MASK (0x3UL << FPCR_DYN_SHIFT) + +#define FPCR_MASK 0xffff800000000000L + +/* + * IEEE trap enables are implemented in software. These per-thread + * bits are stored in the "ieee_state" field of "struct thread_info". + * Thus, the bits are defined so as not to conflict with the + * floating-point enable bit (which is architected). On top of that, + * we want to make these bits compatible with OSF/1 so + * ieee_set_fp_control() etc. can be implemented easily and + * compatibly. The corresponding definitions are in + * /usr/include/machine/fpu.h under OSF/1. + */ +#define IEEE_TRAP_ENABLE_INV (1UL<<1) /* invalid op */ +#define IEEE_TRAP_ENABLE_DZE (1UL<<2) /* division by zero */ +#define IEEE_TRAP_ENABLE_OVF (1UL<<3) /* overflow */ +#define IEEE_TRAP_ENABLE_UNF (1UL<<4) /* underflow */ +#define IEEE_TRAP_ENABLE_INE (1UL<<5) /* inexact */ +#define IEEE_TRAP_ENABLE_DNO (1UL<<6) /* denorm */ +#define IEEE_TRAP_ENABLE_MASK (IEEE_TRAP_ENABLE_INV | IEEE_TRAP_ENABLE_DZE |\ + IEEE_TRAP_ENABLE_OVF | IEEE_TRAP_ENABLE_UNF |\ + IEEE_TRAP_ENABLE_INE | IEEE_TRAP_ENABLE_DNO) + +/* Denorm and Underflow flushing */ +#define IEEE_MAP_DMZ (1UL<<12) /* Map denorm inputs to zero */ +#define IEEE_MAP_UMZ (1UL<<13) /* Map underflowed outputs to zero */ + +#define IEEE_MAP_MASK (IEEE_MAP_DMZ | IEEE_MAP_UMZ) + +/* status bits coming from fpcr: */ +#define IEEE_STATUS_INV (1UL<<17) +#define IEEE_STATUS_DZE (1UL<<18) +#define IEEE_STATUS_OVF (1UL<<19) +#define IEEE_STATUS_UNF (1UL<<20) +#define IEEE_STATUS_INE (1UL<<21) +#define IEEE_STATUS_DNO (1UL<<22) + +#define IEEE_STATUS_MASK (IEEE_STATUS_INV | IEEE_STATUS_DZE | \ + IEEE_STATUS_OVF | IEEE_STATUS_UNF | \ + IEEE_STATUS_INE | IEEE_STATUS_DNO) + +#define IEEE_SW_MASK (IEEE_TRAP_ENABLE_MASK | \ + IEEE_STATUS_MASK | IEEE_MAP_MASK) + +#define IEEE_CURRENT_RM_SHIFT 32 +#define IEEE_CURRENT_RM_MASK (3UL<<IEEE_CURRENT_RM_SHIFT) + +#define IEEE_STATUS_TO_EXCSUM_SHIFT 16 + +#define IEEE_INHERIT (1UL<<63) /* inherit on thread create? */ + +/* + * Convert the software IEEE trap enable and status bits into the + * hardware fpcr format. + * + * Digital Unix engineers receive my thanks for not defining the + * software bits identical to the hardware bits. The chip designers + * receive my thanks for making all the not-implemented fpcr bits + * RAZ forcing us to use system calls to read/write this value. + */ + +static inline unsigned long +ieee_swcr_to_fpcr(unsigned long sw) +{ + unsigned long fp; + fp = (sw & IEEE_STATUS_MASK) << 35; + fp |= (sw & IEEE_MAP_DMZ) << 36; + fp |= (sw & IEEE_STATUS_MASK ? FPCR_SUM : 0); + fp |= (~sw & (IEEE_TRAP_ENABLE_INV + | IEEE_TRAP_ENABLE_DZE + | IEEE_TRAP_ENABLE_OVF)) << 48; + fp |= (~sw & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE)) << 57; + fp |= (sw & IEEE_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); + fp |= (~sw & IEEE_TRAP_ENABLE_DNO) << 41; + return fp; +} + +static inline unsigned long +ieee_fpcr_to_swcr(unsigned long fp) +{ + unsigned long sw; + sw = (fp >> 35) & IEEE_STATUS_MASK; + sw |= (fp >> 36) & IEEE_MAP_DMZ; + sw |= (~fp >> 48) & (IEEE_TRAP_ENABLE_INV + | IEEE_TRAP_ENABLE_DZE + | IEEE_TRAP_ENABLE_OVF); + sw |= (~fp >> 57) & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE); + sw |= (fp >> 47) & IEEE_MAP_UMZ; + sw |= (~fp >> 41) & IEEE_TRAP_ENABLE_DNO; + return sw; +} + + +#endif /* _UAPI__ASM_ALPHA_FPU_H */ diff --git a/arch/alpha/include/uapi/asm/gentrap.h b/arch/alpha/include/uapi/asm/gentrap.h new file mode 100644 index 00000000000..ae50cc3192c --- /dev/null +++ b/arch/alpha/include/uapi/asm/gentrap.h @@ -0,0 +1,37 @@ +#ifndef _ASMAXP_GENTRAP_H +#define _ASMAXP_GENTRAP_H + +/* + * Definitions for gentrap causes. They are generated by user-level + * programs and therefore should be compatible with the corresponding + * OSF/1 definitions. + */ +#define GEN_INTOVF -1 /* integer overflow */ +#define GEN_INTDIV -2 /* integer division by zero */ +#define GEN_FLTOVF -3 /* fp overflow */ +#define GEN_FLTDIV -4 /* fp division by zero */ +#define GEN_FLTUND -5 /* fp underflow */ +#define GEN_FLTINV -6 /* invalid fp operand */ +#define GEN_FLTINE -7 /* inexact fp operand */ +#define GEN_DECOVF -8 /* decimal overflow (for COBOL??) */ +#define GEN_DECDIV -9 /* decimal division by zero */ +#define GEN_DECINV -10 /* invalid decimal operand */ +#define GEN_ROPRAND -11 /* reserved operand */ +#define GEN_ASSERTERR -12 /* assertion error */ +#define GEN_NULPTRERR -13 /* null pointer error */ +#define GEN_STKOVF -14 /* stack overflow */ +#define GEN_STRLENERR -15 /* string length error */ |