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patches/glibc/20040827/arm-ctl_bus_isa.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Feb 24 11:00:05 2007 +0000 (2007-02-24)
changeset 1 eeea35fbf182
permissions -rw-r--r--
Add the full crosstool-NG sources to the new repository of its own.
You might just say: 'Yeah! crosstool-NG's got its own repo!".
Unfortunately, that's because the previous repo got damaged beyond repair and I had no backup.
That means I'm putting backups in place in the afternoon.
That also means we've lost history... :-( 
     1 Applies to both glibc-2.2.5 and glibc-2.3.2, and probably glibc cvs as of Aug 2004.

     2 Needed to build glibc with linux kernels 2.4.23 or higher on ARM, 

     3 Fixes following error:

     4 

     5 ../sysdeps/unix/sysv/linux/arm/ioperm.c: In function `init_iosys':

     6 ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: `BUS_ISA' undeclared (first use in this function)

     7 ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: (Each undeclared identifier is reported only once

     8 ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: for each function it appears in.)

     9 ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: initializer element is not constant

    10 ../sysdeps/unix/sysv/linux/arm/ioperm.c:103: error: (near initialization for `iobase_name[1]')

    11 ../sysdeps/unix/sysv/linux/arm/ioperm.c:104: error: initializer element is not constant

    12 ../sysdeps/unix/sysv/linux/arm/ioperm.c:104: error: (near initialization for `ioshift_name[1]')

    13 make[2]: *** [/home/dank/crosstool-0.28/build/arm-softfloat-linux-gnu/gcc-3.3.4-glibc-2.2.5/build-glibc/misc/ioperm.o] Error 1

    14 

    15 cf. "[SYSCTL] BUS_ISA -> CTL_BUS_ISA",  http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0529.html

    16 

    17 --- glibc-2.3.2/sysdeps/unix/sysv/linux/arm/ioperm.c.old	2003-02-20 14:22:24.000000000 -0800

    18 +++ glibc-2.3.2/sysdeps/unix/sysv/linux/arm/ioperm.c	2004-01-31 16:01:50.000000000 -0800

    19 @@ -47,6 +47,12 @@

    20  #include <asm/page.h>

    21  #include <sys/sysctl.h>

    22  

    23 +/* see http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0529.html */

    24 +#include <linux/version.h>

    25 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23))

    26 +#define CTL_BUS_ISA BUS_ISA	/* and hope it's not the one from linux/input.h */

    27 +#endif

    28 +

    29  #define PATH_ARM_SYSTYPE	"/etc/arm_systype"

    30  #define PATH_CPUINFO		"/proc/cpuinfo"

    31  

    32 @@ -80,7 +86,7 @@

    33   * Initialize I/O system.  There are several ways to get the information

    34   * we need.  Each is tried in turn until one succeeds.

    35   *

    36 - * 1. Sysctl (CTL_BUS, BUS_ISA, ISA_*).  This is the preferred method

    37 + * 1. Sysctl (CTL_BUS, CTL_BUS_ISA, ISA_*).  This is the preferred method

    38   *    but not all kernels support it.

    39   *

    40   * 2. Read the value (not the contents) of symlink PATH_ARM_SYSTYPE.

    41 @@ -100,8 +106,8 @@

    42  {

    43    char systype[256];

    44    int i, n;

    45 -  static int iobase_name[] = { CTL_BUS, BUS_ISA, BUS_ISA_PORT_BASE };

    46 -  static int ioshift_name[] = { CTL_BUS, BUS_ISA, BUS_ISA_PORT_SHIFT };

    47 +  static int iobase_name[] = { CTL_BUS, CTL_BUS_ISA, BUS_ISA_PORT_BASE };

    48 +  static int ioshift_name[] = { CTL_BUS, CTL_BUS_ISA, BUS_ISA_PORT_SHIFT };

    49    size_t len = sizeof(io.base);

    50  

    51    if (! sysctl (iobase_name, 3, &io.io_base, &len, NULL, 0)
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