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Entfernen (1): xz-utils-4.999.9beta-2  

Gesamtgröße der zu entfernenden Pakete: 0,79 MB

Pakete (20): linux-api-headers-2.6.34-1  glibc-2.12-2  zlib-1.2.5-2  
             binutils-2.20.1-3  crda-1.1.1-1  device-mapper-2.02.66-1  
             gcc-4.5.0-4  gcc-libs-4.5.0-4  openssl-1.0.0.a-2  heimdal-1.3.3-1  
             libfetch-2.31-1  libjpeg-8.0.2-1  mkinitcpio-busybox-1.16.1-4  
             mpd-0.15.10-1  smbclient-3.5.3-1  mplayer-31303-1  
             shadow-4.1.4.2-3  sudo-1.7.2p7-1  tar-1.23-3  xz-4.999.9beta-3  

Gesamtgröße der heruntergeladenen Pakete: 49,42 MB
Gesamtgröße der installierten Pakete: 222,03 MB

...
obj-$(CONFIG_APB_TIMER)         += apb_timer.o

---- HIER FOLGENDE ZEILE EINFUEGEN ----
obj-$(CONFIG_MVIAC3_2)          += nopl_emu.o

obj-$(CONFIG_K8_NB)             += k8.o
...

ENTRY(invalid_op)
        RING0_INT_FRAME
        pushl $0
        CFI_ADJUST_CFA_OFFSET 4
        pushl $do_nopl_emu
        /* pushl $do_invalid_op */
        CFI_ADJUST_CFA_OFFSET 4
        jmp error_code
        CFI_ENDPROC
END(invalid_op)

/*
* linux/arch/x86/kernel/nopl_emu.c
*
* Copyright (C) 2002 Willy Tarreau
* Copyright (C) 2009 Matteo Croce
*
* Manfred Miederer did some minimal changes
* to use it for Kernel 2.6.34 and a Via Nehemiah cpu
*/

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/math_emu.h>
#include <asm/traps.h>

/* This code can be used to allow the AMD Geode / Via Nehemiah to hopefully correctly execute
* some code which was originally compiled for an i686, by emulating NOPL,
* the only missing i686 instruction in the CPU
*
* Willy Tarreau <willy@xxxxxxxxxx>
* Matteo Croce <technoboy85@xxxxxxxxx>
*/

static inline int do_1f(u8 *ip) {
    int length = 3;
    switch (*ip) {
        case 0x84:
            if (!ip[5]) length++;
            else return 0;
        case 0x80:
            if (!ip[4] && !ip[3]) length += 2;
            else return 0;
        case 0x44:
            if (!ip[2]) length++;
            else return 0;
        case 0x40:
            if (!ip[1]) length++;
            else return 0;
        case 0x00:
            return length;
    }
    return 0;
}

static inline int do_0f(u8 *ip) {
    if (*ip == 0x1f) return do_1f(ip + 1);
    return 0;
}

static inline int do_66(u8 *ip) {
 if (*ip == 0x90) return 2;
 if (*ip == 0x0f) {
    int res = do_0f(ip + 1);
    if (res) return res + 1;
    else return 0;
 }
 return 0;
}

static inline int do_start(u8 *ip) {
 if (*ip == 0x0f) return do_0f(ip + 1);
 if (*ip == 0x66) return do_66(ip + 1);
 return 0;
}

/* [do_nopl_emu] is called by exception 6 after an invalid opcode has been
 * encountered. It will try to emulate it by doing nothing,
 * and will send a SIGILL or SIGSEGV to the process if not possible.
 * the NOPL can have variable length opcodes:

bytes number opcode
 2 66 90
 3 0f 1f 00
 4 0f 1f 40 00
 5 0f 1f 44 00 00
 6 66 0f 1f 44 00 00
 7 0f 1f 80 00 00 00 00
 8 0f 1f 84 00 00 00 00 00
 9 66 0f 1f 84 00 00 00 00 00
*/
void do_nopl_emu(struct pt_regs *regs, long error_code) {
 int res = do_start((u8 *)instruction_pointer(regs));

 if (res) regs->ip += res;
 else do_invalid_op(regs, error_code);
}