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发表于 2013-08-29 10:19 |只看该作者 |倒序浏览

本帖最后由 arthur_wangxh 于 2013-08-29 11:17 编辑

求高手赐教

uname -a
Linux localhost.localdomain 2.6.18-164.el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 i686 i686 i386 GNU/Linux

gcc version 4.1.2 20080704 (Red Hat 4.1.2-54)

#define CPUID(level, eax, ebx, ecx, edx)                      \
      asm  volatile("xchg %%ebx, %1;"                      \
         "cpuid;"                                           \
         "xchg %%ebx, %1"                                  \
         : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)    \
         : "0" (level))

error: can't find a register in class Q_REGS while reloading asm

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Chinaunix › 论坛 › 程序设计 › 内核源码 › x86上gcc内嵌汇编错误，can't find a register in class ...

[硬件及驱动] x86上gcc内嵌汇编错误，can't find a register in class Q_REGS while reloading asm [复制链接]