cat proc / cpuinfo

Question

基本上我有这个盒子：

# cat proc/cpuinfo 
system type             : RTL8672
processor               : 0
cpu model               : 56322
BogoMIPS                : 619.31
tlb_entries             : 64
mips16 implemented      : yes

    cat proc/version 
    Linux version 2.6.30.9 (xia@njzd) (gcc version 4.4.6 (Realtek RSDK-1.5.6p2) ) #2 Wed Apr 29 18:57:54 CST 2015

这是程序在框中的样子

$ readelf -a httpd 
ELF Header:
  Magic:   7f 45 4c 46 01 02 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF32
  Data:                              2's complement, big endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              EXEC (Executable file)
  Machine:                           MIPS R3000
  Version:                           0x1
  Entry point address:               0x4a1330
  Start of program headers:          52 (bytes into file)
  Start of section headers:          816092 (bytes into file)
  Flags:                             0x1007, noreorder, pic, cpic, o32, mips1
  Size of this header:               52 (bytes)
  Size of program headers:           32 (bytes)
  Number of program headers:         8
  Size of section headers:           40 (bytes)
  Number of section headers:         24
  Section header string table index: 23

交叉编译后，这是我的。

$ readelf -a File2 
ELF Header:
  Magic:   7f 45 4c 46 01 02 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF32
  Data:                              2's complement, big endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              EXEC (Executable file)
  Machine:                           MIPS R3000
  Version:                           0x1
  Entry point address:               0x400280
  Start of program headers:          52 (bytes into file)
  Start of section headers:          651896 (bytes into file)
  Flags:                             0x1007, noreorder, pic, cpic, o32, mips1
  Size of this header:               52 (bytes)
  Size of program headers:           32 (bytes)
  Number of program headers:         6
  Size of section headers:           40 (bytes)
  Number of section headers:         33
  Section header string table index: 30

但是当我运行File2时，我得到illegal instruction，我怀疑使用BLA指令的交叉编译器和我的盒子不支持那个，我怎么能告诉我的mips交叉编译用其他指令替换BLA？他们在讨论JAL / JALR到BAL转换Linux（o32 ABI）的In this邮件列表，是否提示？

Answer 1

cat proc / cpuinfo

系统类型：RTL8672

处理器：0

cpu型号：56322

RTL8672不是完整的MIPS实现，而是Lexra。您将需要一个知道如何处理此问题的自定义工具链。

像这样的东西

https://github.com/infinite-monkeys/rtl8672-toolchain

或仅限二进制工具链，查找“rsdk”

e.g。 https://github.com/KrabbyPatty/rtl819x-toolchain/tree/master/toolchain

关于正确mips elf32的非法指令

1 个答案:

cat proc / cpuinfo