Date: Sun, 1 Sep 2013 13:33:05 +0000 (UTC) From: Mark Murray <markm@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r255121 - in projects/random_number_generator: contrib/gcc contrib/gcc/config/arm contrib/gcc/doc contrib/gcclibs/libcpp contrib/gcclibs/libcpp/include lib/libc/gen lib/libc/include lib... Message-ID: <201309011333.r81DX5tt019618@svn.freebsd.org>
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Author: markm Date: Sun Sep 1 13:33:05 2013 New Revision: 255121 URL: http://svnweb.freebsd.org/changeset/base/255121 Log: MFC Added: projects/random_number_generator/lib/libc/include/errlst.h - copied unchanged from r255120, head/lib/libc/include/errlst.h Modified: projects/random_number_generator/contrib/gcc/ChangeLog.gcc43 projects/random_number_generator/contrib/gcc/config/arm/libunwind.S projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.c projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.h projects/random_number_generator/contrib/gcc/doc/extend.texi projects/random_number_generator/contrib/gcclibs/libcpp/expr.c projects/random_number_generator/contrib/gcclibs/libcpp/include/cpplib.h projects/random_number_generator/lib/libc/gen/errlst.c projects/random_number_generator/lib/libc/stdio/xprintf_errno.c projects/random_number_generator/lib/libc/string/strerror.c projects/random_number_generator/lib/libelf/libelf_data.c projects/random_number_generator/share/examples/scsi_target/scsi_target.c projects/random_number_generator/share/man/man4/vtnet.4 projects/random_number_generator/sys/amd64/amd64/apic_vector.S projects/random_number_generator/sys/amd64/amd64/pmap.c projects/random_number_generator/sys/cam/ctl/scsi_ctl.c projects/random_number_generator/sys/cam/scsi/scsi_enc.c projects/random_number_generator/sys/cam/scsi/scsi_targ_bh.c projects/random_number_generator/sys/cam/scsi/scsi_target.c projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_subr.c projects/random_number_generator/sys/cddl/dev/fbt/fbt_powerpc.c projects/random_number_generator/sys/dev/virtio/network/if_vtnet.c projects/random_number_generator/sys/dev/virtio/network/if_vtnetvar.h projects/random_number_generator/sys/dev/virtio/network/virtio_net.h projects/random_number_generator/sys/dev/virtio/pci/virtio_pci.c projects/random_number_generator/sys/dev/virtio/virtio_if.m projects/random_number_generator/sys/dev/virtio/virtqueue.c projects/random_number_generator/sys/dev/virtio/virtqueue.h projects/random_number_generator/sys/mips/mips/pmap.c projects/random_number_generator/sys/modules/virtio/network/Makefile projects/random_number_generator/sys/powerpc/powermac/atibl.c projects/random_number_generator/sys/powerpc/powermac/nvbl.c projects/random_number_generator/sys/vm/uma_core.c Directory Properties: projects/random_number_generator/ (props changed) projects/random_number_generator/contrib/gcc/ (props changed) projects/random_number_generator/lib/libc/ (props changed) projects/random_number_generator/share/man/man4/ (props changed) projects/random_number_generator/sys/ (props changed) Modified: projects/random_number_generator/contrib/gcc/ChangeLog.gcc43 ============================================================================== --- projects/random_number_generator/contrib/gcc/ChangeLog.gcc43 Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcc/ChangeLog.gcc43 Sun Sep 1 13:33:05 2013 (r255121) @@ -1,3 +1,9 @@ +2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de> (r23479) + + PR preprocessor/23479 + * doc/extend.texi: Document the 0b-prefixed binary integer + constant extension. + 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> (r124341) * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of Modified: projects/random_number_generator/contrib/gcc/config/arm/libunwind.S ============================================================================== --- projects/random_number_generator/contrib/gcc/config/arm/libunwind.S Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcc/config/arm/libunwind.S Sun Sep 1 13:33:05 2013 (r255121) @@ -116,5 +116,6 @@ UNWIND_WRAPPER _Unwind_RaiseException 1 UNWIND_WRAPPER _Unwind_Resume 1 UNWIND_WRAPPER _Unwind_Resume_or_Rethrow 1 UNWIND_WRAPPER _Unwind_ForcedUnwind 3 +UNWIND_WRAPPER _Unwind_Backtrace 2 -#endif /* __symbian__ */ +#endif /* ndef __symbian__ */ Modified: projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.c ============================================================================== --- projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.c Sun Sep 1 13:33:05 2013 (r255121) @@ -747,6 +747,66 @@ _Unwind_DeleteException (_Unwind_Excepti } +/* Perform stack backtrace through unwind data. */ +_Unwind_Reason_Code +__gnu_Unwind_Backtrace(_Unwind_Trace_Fn trace, void * trace_argument, + phase2_vrs * entry_vrs); +_Unwind_Reason_Code +__gnu_Unwind_Backtrace(_Unwind_Trace_Fn trace, void * trace_argument, + phase2_vrs * entry_vrs) +{ + phase1_vrs saved_vrs; + _Unwind_Reason_Code code; + + _Unwind_Control_Block ucb; + _Unwind_Control_Block *ucbp = &ucb; + + /* Set the pc to the call site. */ + entry_vrs->core.r[R_PC] = entry_vrs->core.r[R_LR]; + + /* Save the core registers. */ + saved_vrs.core = entry_vrs->core; + /* Set demand-save flags. */ + saved_vrs.demand_save_flags = ~(_uw) 0; + + do + { + /* Find the entry for this routine. */ + if (get_eit_entry (ucbp, saved_vrs.core.r[R_PC]) != _URC_OK) + { + code = _URC_FAILURE; + break; + } + + /* The dwarf unwinder assumes the context structure holds things + like the function and LSDA pointers. The ARM implementation + caches these in the exception header (UCB). To avoid + rewriting everything we make the virtual IP register point at + the UCB. */ + _Unwind_SetGR((_Unwind_Context *)&saved_vrs, 12, (_Unwind_Ptr) ucbp); + + /* Call trace function. */ + if ((*trace) ((_Unwind_Context *) &saved_vrs, trace_argument) + != _URC_NO_REASON) + { + code = _URC_FAILURE; + break; + } + + /* Call the pr to decide what to do. */ + code = ((personality_routine) UCB_PR_ADDR (ucbp)) + (_US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND, + ucbp, (void *) &saved_vrs); + } + while (code != _URC_END_OF_STACK + && code != _URC_FAILURE); + + finish: + restore_non_core_regs (&saved_vrs); + return code; +} + + /* Common implementation for ARM ABI defined personality routines. ID is the index of the personality routine, other arguments are as defined by __aeabi_unwind_cpp_pr{0,1,2}. */ @@ -1014,3 +1074,19 @@ _Unwind_GetTextRelBase (_Unwind_Context { abort (); } + +#ifdef __FreeBSD__ +/* FreeBSD expects these to be functions */ +_Unwind_Ptr +_Unwind_GetIP (struct _Unwind_Context *context) +{ + return _Unwind_GetGR (context, 15) & ~(_Unwind_Word)1; +} + +_Unwind_Ptr +_Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn) +{ + *ip_before_insn = 0; + return _Unwind_GetGR (context, 15) & ~(_Unwind_Word)1; +} +#endif Modified: projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.h ============================================================================== --- projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.h Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcc/config/arm/unwind-arm.h Sun Sep 1 13:33:05 2013 (r255121) @@ -205,6 +205,13 @@ extern "C" { _Unwind_Control_Block *, struct _Unwind_Context *, void *); _Unwind_Reason_Code _Unwind_ForcedUnwind (_Unwind_Control_Block *, _Unwind_Stop_Fn, void *); + /* @@@ Use unwind data to perform a stack backtrace. The trace callback + is called for every stack frame in the call chain, but no cleanup + actions are performed. */ + typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn) (_Unwind_Context *, void *); + _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, + void*); + _Unwind_Word _Unwind_GetCFA (struct _Unwind_Context *); void _Unwind_Complete(_Unwind_Control_Block *ucbp); void _Unwind_DeleteException (_Unwind_Exception *); @@ -246,12 +253,17 @@ extern "C" { return val; } +#ifndef __FreeBSD__ /* Return the address of the instruction, not the actual IP value. */ #define _Unwind_GetIP(context) \ (_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1) #define _Unwind_GetIPInfo(context, ip_before_insn) \ (*ip_before_insn = 0, _Unwind_GetGR (context, 15) & ~(_Unwind_Word)1) +#else + _Unwind_Ptr _Unwind_GetIP (struct _Unwind_Context *); + _Unwind_Ptr _Unwind_GetIPInfo (struct _Unwind_Context *, int *); +#endif static inline void _Unwind_SetGR (_Unwind_Context *context, int regno, _Unwind_Word val) Modified: projects/random_number_generator/contrib/gcc/doc/extend.texi ============================================================================== --- projects/random_number_generator/contrib/gcc/doc/extend.texi Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcc/doc/extend.texi Sun Sep 1 13:33:05 2013 (r255121) @@ -81,6 +81,7 @@ extensions, accepted by GCC in C89 mode * Pragmas:: Pragmas accepted by GCC. * Unnamed Fields:: Unnamed struct/union fields within structs/unions. * Thread-Local:: Per-thread variables. +* Binary constants:: Binary constants using the @samp{0b} prefix. @end menu @node Statement Exprs @@ -10424,6 +10425,28 @@ Non-@code{static} members shall not be @ @end quotation @end itemize +@node Binary constants +@section Binary constants using the @samp{0b} prefix +@cindex Binary constants using the @samp{0b} prefix + +Integer constants can be written as binary constants, consisting of a +sequence of @samp{0} and @samp{1} digits, prefixed by @samp{0b} or +@samp{0B}. This is particularly useful in environments that operate a +lot on the bit-level (like microcontrollers). + +The following statements are identical: + +@smallexample +i = 42; +i = 0x2a; +i = 052; +i = 0b101010; +@end smallexample + +The type of these constants follows the same rules as for octal or +hexadecimal integer constants, so suffixes like @samp{L} or @samp{UL} +can be applied. + @node C++ Extensions @chapter Extensions to the C++ Language @cindex extensions, C++ language Modified: projects/random_number_generator/contrib/gcclibs/libcpp/expr.c ============================================================================== --- projects/random_number_generator/contrib/gcclibs/libcpp/expr.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcclibs/libcpp/expr.c Sun Sep 1 13:33:05 2013 (r255121) @@ -188,6 +188,11 @@ cpp_classify_number (cpp_reader *pfile, radix = 16; str++; } + else if ((*str == 'b' || *str == 'B') && (str[1] == '0' || str[1] == '1')) + { + radix = 2; + str++; + } } /* Now scan for a well-formed integer or float. */ @@ -226,10 +231,22 @@ cpp_classify_number (cpp_reader *pfile, radix = 10; if (max_digit >= radix) - SYNTAX_ERROR2 ("invalid digit \"%c\" in octal constant", '0' + max_digit); + { + if (radix == 2) + SYNTAX_ERROR2 ("invalid digit \"%c\" in binary constant", '0' + max_digit); + else + SYNTAX_ERROR2 ("invalid digit \"%c\" in octal constant", '0' + max_digit); + } if (float_flag != NOT_FLOAT) { + if (radix == 2) + { + cpp_error (pfile, CPP_DL_ERROR, + "invalid prefix \"0b\" for floating constant"); + return CPP_N_INVALID; + } + if (radix == 16 && CPP_PEDANTIC (pfile) && !CPP_OPTION (pfile, c99)) cpp_error (pfile, CPP_DL_PEDWARN, "use of C99 hexadecimal floating constant"); @@ -321,11 +338,16 @@ cpp_classify_number (cpp_reader *pfile, if ((result & CPP_N_IMAGINARY) && CPP_PEDANTIC (pfile)) cpp_error (pfile, CPP_DL_PEDWARN, "imaginary constants are a GCC extension"); + if (radix == 2 && CPP_PEDANTIC (pfile)) + cpp_error (pfile, CPP_DL_PEDWARN, + "binary constants are a GCC extension"); if (radix == 10) result |= CPP_N_DECIMAL; else if (radix == 16) result |= CPP_N_HEX; + else if (radix == 2) + result |= CPP_N_BINARY; else result |= CPP_N_OCTAL; @@ -376,6 +398,11 @@ cpp_interpret_integer (cpp_reader *pfile base = 16; p += 2; } + else if ((type & CPP_N_RADIX) == CPP_N_BINARY) + { + base = 2; + p += 2; + } /* We can add a digit to numbers strictly less than this without needing the precision and slowness of double integers. */ @@ -431,12 +458,25 @@ static cpp_num append_digit (cpp_num num, int digit, int base, size_t precision) { cpp_num result; - unsigned int shift = 3 + (base == 16); + unsigned int shift; bool overflow; cpp_num_part add_high, add_low; - /* Multiply by 8 or 16. Catching this overflow here means we don't + /* Multiply by 2, 8 or 16. Catching this overflow here means we don't need to worry about add_high overflowing. */ + switch (base) + { + case 2: + shift = 1; + break; + + case 16: + shift = 4; + break; + + default: + shift = 3; + } overflow = !!(num.high >> (PART_PRECISION - shift)); result.high = num.high << shift; result.low = num.low << shift; Modified: projects/random_number_generator/contrib/gcclibs/libcpp/include/cpplib.h ============================================================================== --- projects/random_number_generator/contrib/gcclibs/libcpp/include/cpplib.h Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/contrib/gcclibs/libcpp/include/cpplib.h Sun Sep 1 13:33:05 2013 (r255121) @@ -745,6 +745,7 @@ struct cpp_num #define CPP_N_DECIMAL 0x0100 #define CPP_N_HEX 0x0200 #define CPP_N_OCTAL 0x0400 +#define CPP_N_BINARY 0x0800 #define CPP_N_UNSIGNED 0x1000 /* Properties. */ #define CPP_N_IMAGINARY 0x2000 Modified: projects/random_number_generator/lib/libc/gen/errlst.c ============================================================================== --- projects/random_number_generator/lib/libc/gen/errlst.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/lib/libc/gen/errlst.c Sun Sep 1 13:33:05 2013 (r255121) @@ -34,6 +34,7 @@ static char sccsid[] = "@(#)errlst.c 8.2 __FBSDID("$FreeBSD$"); #include <stdio.h> +#include "errlst.h" const char *const sys_errlist[] = { "No error: 0", /* 0 - ENOERROR */ @@ -156,3 +157,8 @@ const char *const sys_errlist[] = { "Previous owner died", /* 96 - EOWNERDEAD */ }; const int sys_nerr = sizeof(sys_errlist) / sizeof(sys_errlist[0]); + +#ifdef PIC +__strong_reference(sys_errlist, __hidden_sys_errlist); +__strong_reference(sys_nerr, __hidden_sys_nerr); +#endif Copied: projects/random_number_generator/lib/libc/include/errlst.h (from r255120, head/lib/libc/include/errlst.h) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/random_number_generator/lib/libc/include/errlst.h Sun Sep 1 13:33:05 2013 (r255121, copy of r255120, head/lib/libc/include/errlst.h) @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2013 Jilles Tjoelker + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __ERRLST_H__ +#define __ERRLST_H__ + +#include <sys/cdefs.h> + +#ifdef PIC +/* If the main executable imports these, do not use its copy from libc.so. */ +extern const char *const __hidden_sys_errlist[] __hidden; +extern const int __hidden_sys_nerr __hidden; +#else +#define __hidden_sys_errlist sys_errlist +#define __hidden_sys_nerr sys_nerr +#endif + +#endif /* __ERRLST_H__ */ Modified: projects/random_number_generator/lib/libc/stdio/xprintf_errno.c ============================================================================== --- projects/random_number_generator/lib/libc/stdio/xprintf_errno.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/lib/libc/stdio/xprintf_errno.c Sun Sep 1 13:33:05 2013 (r255121) @@ -34,6 +34,7 @@ #include <vis.h> #include <assert.h> #include <sys/time.h> +#include "errlst.h" #include "printf.h" int @@ -54,7 +55,7 @@ __printf_render_errno(struct __printf_io ret = 0; error = *((const int *)arg[0]); - if (error >= 0 && error < sys_nerr) { + if (error >= 0 && error < __hidden_sys_nerr) { p = strerror(error); return (__printf_out(io, pi, p, strlen(p))); } Modified: projects/random_number_generator/lib/libc/string/strerror.c ============================================================================== --- projects/random_number_generator/lib/libc/string/strerror.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/lib/libc/string/strerror.c Sun Sep 1 13:33:05 2013 (r255121) @@ -42,6 +42,8 @@ __FBSDID("$FreeBSD$"); #include <string.h> #include <stdio.h> +#include "errlst.h" + #define UPREFIX "Unknown error" /* @@ -87,7 +89,7 @@ strerror_r(int errnum, char *strerrbuf, catd = catopen("libc", NL_CAT_LOCALE); #endif - if (errnum < 0 || errnum >= sys_nerr) { + if (errnum < 0 || errnum >= __hidden_sys_nerr) { errstr(errnum, #if defined(NLS) catgets(catd, 1, 0xffff, UPREFIX), @@ -99,9 +101,9 @@ strerror_r(int errnum, char *strerrbuf, } else { if (strlcpy(strerrbuf, #if defined(NLS) - catgets(catd, 1, errnum, sys_errlist[errnum]), + catgets(catd, 1, errnum, __hidden_sys_errlist[errnum]), #else - sys_errlist[errnum], + __hidden_sys_errlist[errnum], #endif buflen) >= buflen) retval = ERANGE; Modified: projects/random_number_generator/lib/libelf/libelf_data.c ============================================================================== --- projects/random_number_generator/lib/libelf/libelf_data.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/lib/libelf/libelf_data.c Sun Sep 1 13:33:05 2013 (r255121) @@ -84,13 +84,21 @@ _libelf_xlate_shtype(uint32_t sht) case SHT_SUNW_dof: return (ELF_T_BYTE); #endif + case SHT_ARM_PREEMPTMAP: + /* FALLTHROUGH */ + case SHT_ARM_ATTRIBUTES: + /* FALLTHROUGH */ + case SHT_ARM_DEBUGOVERLAY: + /* FALLTHROUGH */ + case SHT_ARM_OVERLAYSECTION: + /* FALLTHROUGH */ case SHT_MIPS_DWARF: /* FALLTHROUGH */ case SHT_MIPS_REGINFO: /* FALLTHROUGH */ case SHT_MIPS_OPTIONS: /* FALLTHROUGH */ - case SHT_AMD64_UNWIND: /* == SHT_IA_64_UNWIND */ + case SHT_AMD64_UNWIND: /* == SHT_IA_64_UNWIND == SHT_ARM_EXIDX */ return (ELF_T_BYTE); default: return (-1); Modified: projects/random_number_generator/share/examples/scsi_target/scsi_target.c ============================================================================== --- projects/random_number_generator/share/examples/scsi_target/scsi_target.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/share/examples/scsi_target/scsi_target.c Sun Sep 1 13:33:05 2013 (r255121) @@ -365,7 +365,7 @@ init_ccbs() for (i = 0; i < MAX_INITIATORS; i++) { struct ccb_accept_tio *atio; struct atio_descr *a_descr; - struct ccb_immed_notify *inot; + struct ccb_immediate_notify *inot; atio = (struct ccb_accept_tio *)malloc(sizeof(*atio)); if (atio == NULL) { @@ -382,7 +382,7 @@ init_ccbs() atio->ccb_h.targ_descr = a_descr; send_ccb((union ccb *)atio, /*priority*/1); - inot = (struct ccb_immed_notify *)malloc(sizeof(*inot)); + inot = (struct ccb_immediate_notify *)malloc(sizeof(*inot)); if (inot == NULL) { warn("malloc INOT"); return (-1); @@ -593,7 +593,7 @@ handle_read() oo += run_queue(c_descr->atio); break; } - case XPT_IMMED_NOTIFY: + case XPT_IMMEDIATE_NOTIFY: /* INOTs are handled with priority */ TAILQ_INSERT_HEAD(&work_queue, &ccb->ccb_h, periph_links.tqe); @@ -903,7 +903,7 @@ free_ccb(union ccb *ccb) case XPT_ACCEPT_TARGET_IO: free(ccb->ccb_h.targ_descr); /* FALLTHROUGH */ - case XPT_IMMED_NOTIFY: + case XPT_IMMEDIATE_NOTIFY: default: free(ccb); break; Modified: projects/random_number_generator/share/man/man4/vtnet.4 ============================================================================== --- projects/random_number_generator/share/man/man4/vtnet.4 Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/share/man/man4/vtnet.4 Sun Sep 1 13:33:05 2013 (r255121) @@ -69,14 +69,30 @@ prompt before booting the kernel or stor .Xr loader.conf 5 . .Bl -tag -width "xxxxxx" .It Va hw.vtnet.csum_disable +.It Va hw.vtnet. Ns Ar X Ns Va .csum_disable This tunable disables receive and send checksum offload. The default value is 0. .It Va hw.vtnet.tso_disable +.It Va hw.vtnet. Ns Ar X Ns Va .tso_disable This tunable disables TSO. The default value is 0. .It Va hw.vtnet.lro_disable +.It Va hw.vtnet. Ns Ar X Ns Va .lro_disable This tunable disables LRO. The default value is 0. +.It Va hw.vtnet.mq_disable +.It Va hw.vtnet. Ns Ar X Ns Va .mq_disable +This tunable disables multiqueue. +The default value is 0. +.It Va hw.vtnet.mq_max_pairs +.It Va hw.vtnet. Ns Ar X Ns Va .mq_max_pairs +This tunable sets the maximum number of transmit and receive queue pairs. +Multiple queues are only supported when the Multiqueue feature is negotiated. +This driver supports a maximum of 8 queue pairs. +The number of queue pairs used is the lesser of the maximum supported by the +driver and the hypervisor, the number of CPUs present in the guest, and this +tunable if not zero. +The default value is 0. .El .Sh SEE ALSO .Xr arp 4 , Modified: projects/random_number_generator/sys/amd64/amd64/apic_vector.S ============================================================================== --- projects/random_number_generator/sys/amd64/amd64/apic_vector.S Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/amd64/amd64/apic_vector.S Sun Sep 1 13:33:05 2013 (r255121) @@ -160,11 +160,11 @@ IDTVEC(xen_intr_upcall) SUPERALIGN_TEXT global_invltlb: - movl %cr4,%eax - andl $~0x80,%eax - movl %eax,%cr4 - orl $0x80,%eax - movl %eax,%cr4 + movq %cr4,%rax + andq $~0x80,%rax /* PGE */ + movq %rax,%cr4 + orq $0x80,%rax + movq %rax,%cr4 invltlb_ret_clear_pm_save: movq smp_tlb_pmap,%rdx testq %rdx,%rdx Modified: projects/random_number_generator/sys/amd64/amd64/pmap.c ============================================================================== --- projects/random_number_generator/sys/amd64/amd64/pmap.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/amd64/amd64/pmap.c Sun Sep 1 13:33:05 2013 (r255121) @@ -762,7 +762,6 @@ pmap_bootstrap(vm_paddr_t *firstaddr) /* Initialize the PAT MSR. */ pmap_init_pat(); -#ifdef SMP /* Initialize TLB Context Id. */ TUNABLE_INT_FETCH("vm.pmap.pcid_enabled", &pmap_pcid_enabled); if ((cpu_feature2 & CPUID2_PCID) != 0 && pmap_pcid_enabled) { @@ -773,8 +772,10 @@ pmap_bootstrap(vm_paddr_t *firstaddr) invpcid_works = (cpu_stdext_feature & CPUID_STDEXT_INVPCID) != 0; kernel_pmap->pm_pcid = 0; - } else +#ifndef SMP + pmap_pcid_enabled = 0; #endif + } else pmap_pcid_enabled = 0; } Modified: projects/random_number_generator/sys/cam/ctl/scsi_ctl.c ============================================================================== --- projects/random_number_generator/sys/cam/ctl/scsi_ctl.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/cam/ctl/scsi_ctl.c Sun Sep 1 13:33:05 2013 (r255121) @@ -961,23 +961,23 @@ ctlfestart(struct cam_periph *periph, un /* * Valid combinations: - * - CAM_SEND_STATUS, SCATTER_VALID = 0, dxfer_len = 0, + * - CAM_SEND_STATUS, CAM_DATA_SG = 0, dxfer_len = 0, * sglist_cnt = 0 - * - CAM_SEND_STATUS = 0, SCATTER_VALID = 0, dxfer_len != 0, + * - CAM_SEND_STATUS = 0, CAM_DATA_SG = 0, dxfer_len != 0, * sglist_cnt = 0 - * - CAM_SEND_STATUS = 0, SCATTER_VALID, dxfer_len != 0, + * - CAM_SEND_STATUS = 0, CAM_DATA_SG, dxfer_len != 0, * sglist_cnt != 0 */ #ifdef CTLFEDEBUG if (((flags & CAM_SEND_STATUS) - && (((flags & CAM_SCATTER_VALID) != 0) + && (((flags & CAM_DATA_SG) != 0) || (dxfer_len != 0) || (csio->sglist_cnt != 0))) || (((flags & CAM_SEND_STATUS) == 0) && (dxfer_len == 0)) - || ((flags & CAM_SCATTER_VALID) + || ((flags & CAM_DATA_SG) && (csio->sglist_cnt == 0)) - || (((flags & CAM_SCATTER_VALID) == 0) + || (((flags & CAM_DATA_SG) == 0) && (csio->sglist_cnt != 0))) { printf("%s: tag %04x cdb %02x flags %#x dxfer_len " "%d sg %u\n", __func__, atio->tag_id, Modified: projects/random_number_generator/sys/cam/scsi/scsi_enc.c ============================================================================== --- projects/random_number_generator/sys/cam/scsi/scsi_enc.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/cam/scsi/scsi_enc.c Sun Sep 1 13:33:05 2013 (r255121) @@ -56,6 +56,8 @@ __FBSDID("$FreeBSD$"); #include <cam/scsi/scsi_enc.h> #include <cam/scsi/scsi_enc_internal.h> +#include <opt_ses.h> + MALLOC_DEFINE(M_SCSIENC, "SCSI ENC", "SCSI ENC buffers"); /* Enclosure type independent driver */ @@ -719,12 +721,12 @@ enc_type(struct ccb_getdev *cgd) return (ENC_NONE); } -#ifdef ENC_ENABLE_PASSTHROUGH +#ifdef SES_ENABLE_PASSTHROUGH if ((iqd[6] & 0x40) && (iqd[2] & 0x7) >= 2) { /* * PassThrough Device. */ - return (ENC_ENC_PASSTHROUGH); + return (ENC_SES_PASSTHROUGH); } #endif Modified: projects/random_number_generator/sys/cam/scsi/scsi_targ_bh.c ============================================================================== --- projects/random_number_generator/sys/cam/scsi/scsi_targ_bh.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/cam/scsi/scsi_targ_bh.c Sun Sep 1 13:33:05 2013 (r255121) @@ -283,16 +283,13 @@ targbhenlun(struct cam_periph *periph) xpt_setup_ccb(&atio->ccb_h, periph->path, CAM_PRIORITY_NORMAL); atio->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; atio->ccb_h.cbfcnp = targbhdone; - xpt_action((union ccb *)atio); - status = atio->ccb_h.status; - if (status != CAM_REQ_INPROG) { - targbhfreedescr(atio->ccb_h.ccb_descr); - free(atio, M_SCSIBH); - break; - } ((struct targbh_cmd_desc*)atio->ccb_h.ccb_descr)->atio_link = softc->accept_tio_list; softc->accept_tio_list = atio; + xpt_action((union ccb *)atio); + status = atio->ccb_h.status; + if (status != CAM_REQ_INPROG) + break; } if (i == 0) { @@ -308,10 +305,10 @@ targbhenlun(struct cam_periph *periph) * so the SIM can tell us of asynchronous target mode events. */ for (i = 0; i < MAX_ACCEPT; i++) { - struct ccb_immed_notify *inot; + struct ccb_immediate_notify *inot; - inot = (struct ccb_immed_notify*)malloc(sizeof(*inot), M_SCSIBH, - M_NOWAIT); + inot = (struct ccb_immediate_notify*)malloc(sizeof(*inot), + M_SCSIBH, M_NOWAIT); if (inot == NULL) { status = CAM_RESRC_UNAVAIL; @@ -319,16 +316,14 @@ targbhenlun(struct cam_periph *periph) } xpt_setup_ccb(&inot->ccb_h, periph->path, CAM_PRIORITY_NORMAL); - inot->ccb_h.func_code = XPT_IMMED_NOTIFY; + inot->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; inot->ccb_h.cbfcnp = targbhdone; + SLIST_INSERT_HEAD(&softc->immed_notify_slist, &inot->ccb_h, + periph_links.sle); xpt_action((union ccb *)inot); status = inot->ccb_h.status; - if (status != CAM_REQ_INPROG) { - free(inot, M_SCSIBH); + if (status != CAM_REQ_INPROG) break; - } - SLIST_INSERT_HEAD(&softc->immed_notify_slist, &inot->ccb_h, - periph_links.sle); } if (i == 0) { @@ -413,7 +408,9 @@ targbhctor(struct cam_periph *periph, vo periph->softc = softc; softc->init_level++; - return (targbhenlun(periph)); + if (targbhenlun(periph) != CAM_REQ_CMP) + cam_periph_invalidate(periph); + return (CAM_REQ_CMP); } static void @@ -715,7 +712,7 @@ targbhdone(struct cam_periph *periph, un } break; } - case XPT_IMMED_NOTIFY: + case XPT_IMMEDIATE_NOTIFY: { int frozen; Modified: projects/random_number_generator/sys/cam/scsi/scsi_target.c ============================================================================== --- projects/random_number_generator/sys/cam/scsi/scsi_target.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/cam/scsi/scsi_target.c Sun Sep 1 13:33:05 2013 (r255121) @@ -551,6 +551,7 @@ targwrite(struct cdev *dev, struct uio * switch (func_code) { case XPT_ACCEPT_TARGET_IO: case XPT_IMMED_NOTIFY: + case XPT_IMMEDIATE_NOTIFY: cam_periph_lock(softc->periph); ccb = targgetccb(softc, func_code, priority); descr = (struct targ_cmd_descr *)ccb->ccb_h.targ_descr; @@ -781,6 +782,7 @@ targdone(struct cam_periph *periph, unio switch (done_ccb->ccb_h.func_code) { /* All FC_*_QUEUED CCBs go back to userland */ case XPT_IMMED_NOTIFY: + case XPT_IMMEDIATE_NOTIFY: case XPT_ACCEPT_TARGET_IO: case XPT_CONT_TARGET_IO: TAILQ_INSERT_TAIL(&softc->user_ccb_queue, &done_ccb->ccb_h, @@ -961,6 +963,7 @@ targfreeccb(struct targ_softc *softc, un switch (ccb->ccb_h.func_code) { case XPT_ACCEPT_TARGET_IO: case XPT_IMMED_NOTIFY: + case XPT_IMMEDIATE_NOTIFY: CAM_DEBUG_PRINT(CAM_DEBUG_PERIPH, ("freeing ccb %p\n", ccb)); free(ccb, M_TARG); break; @@ -1131,6 +1134,9 @@ targccblen(xpt_opcode func_code) case XPT_IMMED_NOTIFY: len = sizeof(struct ccb_immed_notify); break; + case XPT_IMMEDIATE_NOTIFY: + len = sizeof(struct ccb_immediate_notify); + break; case XPT_REL_SIMQ: len = sizeof(struct ccb_relsim); break; Modified: projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c ============================================================================== --- projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_isa.c Sun Sep 1 13:33:05 2013 (r255121) @@ -349,50 +349,84 @@ zero: uint64_t dtrace_getarg(int arg, int aframes) { - return (0); -} - -#ifdef notyet -{ - int depth = 0; - register_t sp; - vm_offset_t callpc; - pc_t caller = (pc_t) solaris_cpu[curcpu].cpu_dtrace_caller; - - if (intrpc != 0) - pcstack[depth++] = (pc_t) intrpc; - - aframes++; - - sp = dtrace_getfp(); - - while (depth < pcstack_limit) { - if (!INKERNEL((long) frame)) - break; - - callpc = *(void **)(sp + RETURN_OFFSET); - - if (!INKERNEL(callpc)) - break; + uintptr_t val; + uintptr_t *fp = (uintptr_t *)dtrace_getfp(); + uintptr_t *stack; + int i; + + /* + * A total of 8 arguments are passed via registers; any argument with + * index of 7 or lower is therefore in a register. + */ + int inreg = 7; + + for (i = 1; i <= aframes; i++) { + fp = (uintptr_t *)*fp; + + /* + * On ppc32 AIM, and booke, trapexit() is the immediately following + * label. On ppc64 AIM trapexit() follows a nop. + */ + if (((long)(fp[1]) == (long)trapexit) || + (((long)(fp[1]) + 4 == (long)trapexit))) { + /* + * In the case of powerpc, we will use the pointer to the regs + * structure that was pushed when we took the trap. To get this + * structure, we must increment beyond the frame structure. If the + * argument that we're seeking is passed on the stack, we'll pull + * the true stack pointer out of the saved registers and decrement + * our argument by the number of arguments passed in registers; if + * the argument we're seeking is passed in regsiters, we can just + * load it directly. + */ +#ifdef __powerpc64__ + struct reg *rp = (struct reg *)((uintptr_t)fp[0] + 48); +#else + struct reg *rp = (struct reg *)((uintptr_t)fp[0] + 8); +#endif - if (aframes > 0) { - aframes--; - if ((aframes == 0) && (caller != 0)) { - pcstack[depth++] = caller; + if (arg <= inreg) { + stack = &rp->fixreg[3]; + } else { + stack = (uintptr_t *)(rp->fixreg[1]); + arg -= inreg; } - } - else { - pcstack[depth++] = callpc; + goto load; } - sp = *(void **)sp; } - for (; depth < pcstack_limit; depth++) { - pcstack[depth] = 0; + /* + * We know that we did not come through a trap to get into + * dtrace_probe() -- the provider simply called dtrace_probe() + * directly. As this is the case, we need to shift the argument + * that we're looking for: the probe ID is the first argument to + * dtrace_probe(), so the argument n will actually be found where + * one would expect to find argument (n + 1). + */ + arg++; + + if (arg <= inreg) { + /* + * This shouldn't happen. If the argument is passed in a + * register then it should have been, well, passed in a + * register... + */ + DTRACE_CPUFLAG_SET(CPU_DTRACE_ILLOP); + return (0); } + + arg -= (inreg + 1); + stack = fp + 2; + +load: + DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT); + val = stack[arg]; + DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT); + + return (val); + return (0); } -#endif int dtrace_getstackdepth(int aframes) Modified: projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_subr.c ============================================================================== --- projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_subr.c Sun Sep 1 13:01:59 2013 (r255120) +++ projects/random_number_generator/sys/cddl/dev/dtrace/powerpc/dtrace_subr.c Sun Sep 1 13:33:05 2013 (r255121) @@ -51,6 +51,8 @@ extern int dtrace_in_probe; extern dtrace_id_t dtrace_probeid_error; extern int (*dtrace_invop_jump_addr)(struct trapframe *); +extern void dtrace_getnanotime(struct timespec *tsp); + int dtrace_invop(uintptr_t, uintptr_t *, uintptr_t); void dtrace_invop_init(void); void dtrace_invop_uninit(void); @@ -63,13 +65,13 @@ typedef struct dtrace_invop_hdlr { dtrace_invop_hdlr_t *dtrace_invop_hdlr; int -dtrace_invop(uintptr_t addr, uintptr_t *stack, uintptr_t eax) +dtrace_invop(uintptr_t addr, uintptr_t *stack, uintptr_t arg0) { dtrace_invop_hdlr_t *hdlr; int rval; for (hdlr = dtrace_invop_hdlr; hdlr != NULL; hdlr = hdlr->dtih_next) - if ((rval = hdlr->dtih_func(addr, stack, eax)) != 0) + if ((rval = hdlr->dtih_func(addr, stack, arg0)) != 0) return (rval); return (0); @@ -134,7 +136,7 @@ dtrace_xcall(processorid_t cpu, dtrace_x CPU_SETOF(cpu, &cpus); smp_rendezvous_cpus(cpus, smp_no_rendevous_barrier, func, - smp_no_rendevous_barrier, arg); + smp_no_rendevous_barrier, arg); } static void @@ -145,9 +147,82 @@ dtrace_sync_func(void) void dtrace_sync(void) { - dtrace_xcall(DTRACE_CPUALL, (dtrace_xcall_t)dtrace_sync_func, NULL); + dtrace_xcall(DTRACE_CPUALL, (dtrace_xcall_t)dtrace_sync_func, NULL); +} + +static int64_t tgt_cpu_tsc; +static int64_t hst_cpu_tsc; +static int64_t timebase_skew[MAXCPU]; +static uint64_t nsec_scale; + +/* See below for the explanation of this macro. */ +/* This is taken from the amd64 dtrace_subr, to provide a synchronized timer + * between multiple processors in dtrace. Since PowerPC Timebases can be much + * lower than x86, the scale shift is 26 instead of 28, allowing for a 15.63MHz + * timebase. + */ +#define SCALE_SHIFT 26 + +static void +dtrace_gethrtime_init_cpu(void *arg) +{ + uintptr_t cpu = (uintptr_t) arg; + + if (cpu == curcpu) + tgt_cpu_tsc = mftb(); + else + hst_cpu_tsc = mftb(); +} + +static void +dtrace_gethrtime_init(void *arg) +{ + struct pcpu *pc; + uint64_t tb_f; + cpuset_t map; + int i; + + tb_f = cpu_tickrate(); + + /* + * The following line checks that nsec_scale calculated below + * doesn't overflow 32-bit unsigned integer, so that it can multiply + * another 32-bit integer without overflowing 64-bit. + * Thus minimum supported Timebase frequency is 15.63MHz. + */ + KASSERT(tb_f > (NANOSEC >> (32 - SCALE_SHIFT)), ("Timebase frequency is too low")); + + /* + * We scale up NANOSEC/tb_f ratio to preserve as much precision + * as possible. + * 2^26 factor was chosen quite arbitrarily from practical + * considerations: + * - it supports TSC frequencies as low as 15.63MHz (see above); + */ + nsec_scale = ((uint64_t)NANOSEC << SCALE_SHIFT) / tb_f; + + /* The current CPU is the reference one. */ + sched_pin(); + timebase_skew[curcpu] = 0; + CPU_FOREACH(i) { + if (i == curcpu) + continue; + + pc = pcpu_find(i); + CPU_SETOF(PCPU_GET(cpuid), &map); + CPU_SET(pc->pc_cpuid, &map); + + smp_rendezvous_cpus(map, NULL, + dtrace_gethrtime_init_cpu, + smp_no_rendevous_barrier, (void *)(uintptr_t) i); + + timebase_skew[i] = tgt_cpu_tsc - hst_cpu_tsc; + } + sched_unpin(); } +SYSINIT(dtrace_gethrtime_init, SI_SUB_SMP, SI_ORDER_ANY, dtrace_gethrtime_init, NULL); + /* * DTrace needs a high resolution time function which can * be called from a probe context and guaranteed not to have @@ -158,12 +233,21 @@ dtrace_sync(void) uint64_t dtrace_gethrtime() { - struct timespec curtime; - - nanouptime(&curtime); - - return (curtime.tv_sec * 1000000000UL + curtime.tv_nsec); + uint64_t timebase; + uint32_t lo; + uint32_t hi; + /* + * We split timebase value into lower and higher 32-bit halves and separately + * scale them with nsec_scale, then we scale them down by 2^28 + * (see nsec_scale calculations) taking into account 32-bit shift of + * the higher half and finally add. + */ + timebase = mftb() - timebase_skew[curcpu]; + lo = timebase; + hi = timebase >> 32; + return (((lo * nsec_scale) >> SCALE_SHIFT) + + ((hi * nsec_scale) << (32 - SCALE_SHIFT))); } uint64_t @@ -171,12 +255,12 @@ dtrace_gethrestime(void) { struct timespec curtime; - getnanotime(&curtime); + dtrace_getnanotime(&curtime); return (curtime.tv_sec * 1000000000UL + curtime.tv_nsec); } -/* Function to handle DTrace traps during probes. See amd64/amd64/trap.c */ +/* Function to handle DTrace traps during probes. See powerpc/powerpc/trap.c */ int dtrace_trap(struct trapframe *frame, u_int type) { @@ -196,34 +280,34 @@ dtrace_trap(struct trapframe *frame, u_i *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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