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  1. 06 12月, 2011 1 次提交
  3. 10 11月, 2011 1 次提交
  5. 27 10月, 2011 3 次提交
  7. 16 9月, 2011 1 次提交
  9. 09 9月, 2011 3 次提交
  11. 21 8月, 2011 1 次提交
  13. 25 7月, 2011 1 次提交
    • B
      Wrap recv to avoid warnings · 00aa0040
      由 Blue Swirl 提交于 
      Avoid warnings like these by wrapping recv():
  CC    slirp/ip_icmp.o
/src/qemu/slirp/ip_icmp.c: In function 'icmp_receive':
/src/qemu/slirp/ip_icmp.c:418:5: error: passing argument 2 of 'recv' from incompatible pointer type [-Werror]
/usr/local/lib/gcc/i686-mingw32msvc/4.6.0/../../../../i686-mingw32msvc/include/winsock2.h:547:32: note: expected 'char *' but argument is of type 'struct icmp *'

Remove also casts used to avoid warnings.
Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
      00aa0040
  15. 13 7月, 2011 1 次提交
  17. 12 7月, 2011 2 次提交
  19. 11 7月, 2011 2 次提交
  21. 22 6月, 2011 7 次提交
    • R
      linux-user: Fix sync_file_range on 32bit mips · bfcedc57
      由 Riku Voipio 提交于 
      As noticed while looking at "Bump do_syscall() up to 8 syscall arguments"
patch, sync_file_range uses a pad argument on 32bit mips. Deal with it
by reading the correct arguments when on mips.
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      bfcedc57
    • P
      linux-user: Bump do_syscall() up to 8 syscall arguments · 5945cfcb
      由 Peter Maydell 提交于 
      On 32 bit MIPS a few syscalls have 7 arguments, and so to call
them via NR_syscall the guest needs to be able to pass 8 arguments
to do_syscall(). Raise the number of arguments do_syscall() takes
accordingly.

This fixes some gcc 4.6 compiler warnings about arg7 and arg8
variables being set and never used.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      5945cfcb
    • J
      linux-user: syscall should use sanitized arg1 · bc088ba1
      由 Juan Quintela 提交于 
      Looking at the other architectures, we should be using "how" not "arg1".
Signed-off-by: NJuan Quintela <quintela@redhat.com>
[peter.maydell@linaro.org: remove unnecessary initialisation of how]
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      bc088ba1
    • J
      syscall: really return ret code · 1add8698
      由 Juan Quintela 提交于 
      We assign ret with the error code, but then return 0 unconditionally.
Signed-off-by: NJuan Quintela <quintela@redhat.com>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      1add8698
    • M
      linux-user: add pselect6 syscall support · 055e0906
      由 Mike Frysinger 提交于 
      Some architectures (like Blackfin) only implement pselect6 (and skip
select/newselect).  So add support for it.
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      055e0906
    • V
      linux-user: Fix the computation of the requested heap size · 4d1de87c
      由 vincent 提交于 
      There were several remaining bugs in the previous implementation of
do_brk():

    1. the value of "new_alloc_size" was one page too large when the
       requested brk was aligned on a host page boundary.

    2. no new pages should be (re-)allocated when the requested brk is
       in the range of the pages that were already allocated
       previsouly (for the same purpose).  Technically these pages are
       never unmapped in the current implementation.

The problem/fix can be reproduced/validated with the test-suite above:

    #include <unistd.h>       /* syscall(2),      */
    #include <sys/syscall.h>  /* SYS_brk,         */
    #include <stdio.h>        /* puts(3),         */
    #include <stdlib.h>       /* exit(3), EXIT_*, */
    #include <stdint.h>       /* uint*_t,         */
    #include <sys/mman.h>     /* mmap(2), MAP_*,  */
    #include <string.h>       /* memset(3), */

    int main()
    {
        int exit_status = EXIT_SUCCESS;
        uint8_t *current_brk = 0;
        uint8_t *initial_brk;
        uint8_t *new_brk;
        uint8_t *old_brk;
        int failure = 0;
        int i;

        void test_brk(int increment, int expected_result) {
            new_brk = (uint8_t *)syscall(SYS_brk, current_brk + increment);
            if ((new_brk == current_brk) == expected_result)
                failure = 1;
            current_brk = (uint8_t *)syscall(SYS_brk, 0);
        }

        void test_result() {
            if (!failure)
                puts("OK");
            else {
                puts("failure");
                exit_status = EXIT_FAILURE;
            }
        }

        void test_title(const char *title) {
            failure = 0;
            printf("%-45s : ", title);
            fflush(stdout);
        }

        test_title("Initialization");
        test_brk(0, 1);
        initial_brk = current_brk;
        test_result();

        test_title("Don't overlap \"brk\" pages");
        test_brk(HOST_PAGE_SIZE, 1);
        test_brk(HOST_PAGE_SIZE, 1);
        test_result();

        /* Preparation for the test "Re-allocated heap is initialized".  */
        old_brk = current_brk - HOST_PAGE_SIZE;
        memset(old_brk, 0xFF, HOST_PAGE_SIZE);

        test_title("Don't allocate the same \"brk\" page twice");
        test_brk(-HOST_PAGE_SIZE, 1);
        test_brk(HOST_PAGE_SIZE, 1);
        test_result();

        test_title("Re-allocated \"brk\" pages are initialized");
        for (i = 0; i < HOST_PAGE_SIZE; i++) {
            if (old_brk[i] != 0) {
                printf("(index = %d, value = 0x%x) ", i, old_brk[i]);
                failure = 1;
                break;
            }
        }
        test_result();

        test_title("Don't allocate \"brk\" pages over \"mmap\" pages");
        new_brk = mmap(current_brk, HOST_PAGE_SIZE / 2, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
        if (new_brk == (void *) -1)
            puts("unknown");
        else {
            test_brk(HOST_PAGE_SIZE, 0);
            test_result();
        }

        test_title("All \"brk\" pages are writable (please wait)");
        if (munmap(current_brk, HOST_PAGE_SIZE / 2) != 0)
            puts("unknown");
        else {
            while (current_brk - initial_brk < 2*1024*1024*1024UL) {
                old_brk = current_brk;

                test_brk(HOST_PAGE_SIZE, -1);
                if (old_brk == current_brk)
                    break;

                for (i = 0; i < HOST_PAGE_SIZE; i++)
                    old_brk[i] = 0xAA;
            }
            puts("OK");
        }

        test_title("Maximum size of the heap > 16MB");
        failure = (current_brk - initial_brk) < 16*1024*1024;
        test_result();

        exit(exit_status);
    }

Changes introduced in patch v2:

    * extend the "brk" test-suite embedded within the commit message;

    * heap contents have to be initialized to zero, this bug was
      exposed by "tst-calloc.c" from the GNU C library;

    * don't [try to] allocate a new host page if the new "brk" is
      equal to the latest allocated host page ("brk_page"); and

    * print some debug information when DEBUGF_BRK is defined.
Signed-off-by: NCédric VINCENT <cedric.vincent@st.com>
Reviewed-by: NChristophe Guillon <christophe.guillon@st.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      4d1de87c
    • P
      linux-user: Don't use MAP_FIXED in do_brk() · 00faf08c
      由 Peter Maydell 提交于 
      Since mmap() with MAP_FIXED will map over the top of existing mappings,
it's a bad idea to use it to implement brk(), because brk() with a
large size is likely to overwrite important things like qemu itself
or the host libc. So we drop MAP_FIXED and handle "mapped but at
different address" as an error case instead.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      00faf08c
  23. 20 5月, 2011 1 次提交
  25. 08 5月, 2011 1 次提交
  27. 02 5月, 2011 2 次提交
  29. 26 4月, 2011 5 次提交
    • R
      linux-user: untie syscalls from UID16 · 0c866a7e
      由 Riku Voipio 提交于 
      Quite a number of uid/gid related syscalls are only defined on systems
with USE_UID16 defined. This is apperently based on the idea that these
system calls would never be called on non-UID16 systems. Make these
syscalls available for all architectures that define them.

drop alpha hack to support selected UID16 syscalls. MIPS and PowerPC
were also defined as UID16, to get uid/gid syscalls available, drop
this error as well.

Change QEMU to reflect this.

Cc: Ulrich Hecht <uli@suse.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      0c866a7e
    • A
      linux-user: add s390x to llseek list · 42a39fbe
      由 Alexander Graf 提交于 
      We keep a list of host architectures that do llseek with the same
syscall as lseek. S390x is one of them, so let's add it to the list.
Original-patch-by: NUlrich Hecht <uli@suse.de>
Signed-off-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      42a39fbe
    • L
      linux-user: add ioctl(SIOCGIWNAME, ...) support. · 86fcd946
      由 Laurent Vivier 提交于 
      Allow to run properly following program from linux-user:

/* cc -o wifi wifi.c */

 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <linux/wireless.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <string.h>

int main(int argc, char **argv)
{
    int ret;
    struct ifreq req;
    struct sockaddr_in *addr;
    int s;

    if (argc != 2) {
        fprintf(stderr, "Need an interface name (like wlan0)\n");
	return 1;
    }

    s = socket( AF_INET, SOCK_DGRAM, 0 );
    if (s < 0) {
        perror("Cannot open socket");
        return 1;
    }
    strncpy(req.ifr_name, argv[1], sizeof(req.ifr_name));
    ret = ioctl( s, SIOCGIWNAME, &req );
    if (ret < 0) {
	fprintf(stderr, "No wireless extension\n");
        return 1;
    }

    printf("%s\n", req.ifr_name);
    printf("%s\n", req.ifr_newname);
    return 0;
}

$ ./wifi eth0
No wireless extension

$ ./wifi wlan0
wlan0
IEEE 802.11bg
Signed-off-by: NLaurent Vivier <laurent@vivier.eu>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      86fcd946
    • L
      linux-user: convert ioctl(SIOCGIFCONF, ...) result. · 059c2f2c
      由 Laurent Vivier 提交于 
      The result needs to be converted as it is stored in an array of struct
ifreq and sizeof(struct ifreq) differs according to target and host
alignment rules.

This patch allows to execute correctly the following program on arm
and m68k:

 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <net/if.h>
 #include <alloca.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>

int main(void)
{
    int s, ret;
    struct ifconf ifc;
    int i;

    memset( &ifc, 0, sizeof( struct ifconf ) );
    ifc.ifc_len = 8 * sizeof(struct ifreq);
    ifc.ifc_buf = alloca(ifc.ifc_len);

    s = socket( AF_INET, SOCK_DGRAM, 0 );
    if (s < 0) {
        perror("Cannot open socket");
        return 1;
    }
    ret = ioctl( s, SIOCGIFCONF, &ifc );
    if (s < 0) {
        perror("ioctl() failed");
        return 1;
    }

    for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq) ; i ++) {
        struct sockaddr_in *s;
        s = (struct sockaddr_in*)&ifc.ifc_req[i].ifr_addr;
        printf("%s\n", ifc.ifc_req[i].ifr_name);
        printf("%s\n", inet_ntoa(s->sin_addr));
    }
}
Signed-off-by: NLaurent Vivier <laurent@vivier.eu>
Signed-off-by: NRiku Voipio <riku.voipio@iki.fi>
      059c2f2c
    • R
      [v2] linux-user: bigger default stack · 05098a93
      由 Riku Voipio 提交于 
      PTHREAD_STACK_MIN (16KB) is somewhat inadequate for a new stack for new
QEMU threads. Set new limit to 256K which should be enough, yet doesn't
increase memory pressure significantly.
Signed-off-by: NRiku Voipio <riku.voipio@nokia.com>
Reviewed-by: NNathan Froyd <froydnj@codesourcery.com>
      05098a93
  31. 22 3月, 2011 1 次提交
  33. 07 3月, 2011 1 次提交
  35. 17 2月, 2011 1 次提交
  37. 09 2月, 2011 3 次提交
  39. 12 1月, 2011 1 次提交
  41. 07 1月, 2011 1 次提交