移植编译bcm sdk6.4.8 过程-平台arm-linux cortex-a9双核，系xilinx soc

cc1: some warnings being treated as errors

在alloc.c添加这个头文件：

#include <linux/slab.h>

7.错误

In file included from/home/renxl/work/nios-kernel/arm_linux/xilinx/linux-xlnx-xilinx-v2014.2/include/linux/kmemcheck.h:4:0,

                 from/home/renxl/work/nios-kernel/arm_linux/xilinx/linux-xlnx-xilinx-v2014.2/include/linux/net.h:25,

                 from/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/src/appl/diag/esw/txrx.c:65:

/home/renxl/work/nios-kernel/arm_linux/xilinx/linux-xlnx-xilinx-v2014.2/include/linux/mm_types.h:144:45: error: missing binary operator before token "("

/home/renxl/work/nios-kernel/arm_linux/xilinx/linux-xlnx-xilinx-v2014.2/include/linux/mm_types.h:427:46: error: missing binary operator before token "("

make[5]: ***[/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/build/linux-xilinx-3_14_0/src/appl/diag/esw/txrx.o]Error 1

修改：

vi include/linux/mm_types.h （内存页映射数据结构，错误提示这个宏定义有问题，注释掉宏开关）

144// #ifdefined(CONFIG_TRANSPARENT_HUGEPAGE) && USE_SPLIT_PMD_PTLOCKS

145                 pgtable_t pmd_huge_pte; /*protected by page->ptl */

146// #endif

427 行同样修改

8.错误

/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/systems/bde/linux/kernel/linux-kernel-bde.c:In function '_sinval':

/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/systems/bde/linux/kernel/linux-kernel-bde.c:4207:5:error: implicit declaration of function 'dma_cache_sync'[-Werror=implicit-function-declaration]

cc1: some warnings being treated as errors

9.错误，GPL开源协议错误

FATAL: modpost: GPL-incompatible modulelinux-uk-proxy.ko uses GPL-only symbol 'lockdep_init_map'

make[6]: *** [__modpost] Error 1

make[5]: *** [modules] Error 2

MODULE_LICENSE("Proprietary");  --------à>>>>>>>>>MODULE_LICENSE("GPL");

10.错误

Arm options:

https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html

-Wall

-Wundef

-Wstrict-prototypes

-Wno-trigraphs

-fno-strict-aliasing

-fno-common

-Wno-format-security

-fno-delete-null-pointer-checks

-O2

-marm

-mabi=aapcs-linux

-mno-thumb-interwork

-funwind-tables

-D__LINUX_ARM_ARCH__=7

-march=armv7-a

-mtune=cortex-a9

-msoft-float

-Uarm

-fno-stack-protector

-fomit-frame-pointer

-Wdeclaration-after-statement

-Wno-pointer-sign

-fno-strict-overflow

-mfpu=vfp===== 硬件浮点运算

11.错误  sdk-6.3.6

[root@GXR05/usr/app]$insmod linux-kernel-bde.ko

[85743.129419] linux_kernel_bde: Unknown symbol dma_cache_sync (err 0)

insmod: can't insert 'linux-kernel-bde.ko': unknown symbol in module orinvalid parameter

./systems/bde/linux/kernel/linux-kernel-bde.c:4207:    dma_cache_sync(NULL, ptr, length,DMA_BIDIRECTIONAL);

./systems/bde/linux/kernel/linux-kernel-bde.c:4223:    dma_cache_sync(NULL, ptr, length,DMA_BIDIRECTIONAL);

 注释掉：=====//dma_cache_sync(NULL,ptr, length, DMA_BIDIRECTIONAL);

12.错误 ==== http://blog.chinaunix.net/uid-25597477-id-4834426.html

In file included from/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/systems/linux/kernel/modules/bcm-core/bcm-core.c:747:0:

/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/systems/linux/kernel/modules/bcm-core/bcm-core-symbols.h:At top level:

/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/systems/linux/kernel/modules/bcm-core/bcm-core-symbols.h:920:1:error: 'is_eyescan_algorithm_legacy_mode' undeclaredhere (not in a function)

make[3]: ***[/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/build/linux-xilinx-3_14_0/systems/linux/kernel/modules/bcm-core/bcm-core.o]Error 1

make[2]: *** [bcm-core] Error 2

make[1]: *** [kernel_modules] Error 2

make[1]: Leaving directory`/home/renxl/work/nios-kernel/arm_linux/sdk-xgs-robo-6.4.8/systems/linux/kernel/common'

make: *** [build] Error 2

屏蔽掉bcm-core-symbols.h：920 //EXPORT_SYMBOL(is_eyescan_algorithm_legacy_mode);

13.错误 insmod error;

（1）内核版本不一致导致：下面错误

[  59.053845] linux_bcm_diag_full: disagrees about version of symbolmodule_layout

insmod: can't insert'linux-bcm-diag-full.ko': invalid module format

（2）insmod: can't insert 'linux-bcm-diag-full.ko': invalid module format

Busybox:insmod 错误提示位置：

renxl@icserver:~/work/nios-kernel/busybox-1.20.2$grep -r -n "invalid module format" ./*

Binary file ./busybox matches

Binary file ./busybox_unstripped matches

./modutils/modprobe-small.c:164:          return "debug--164=invalid moduleformat";

Binary file ./modutils/modutils.o matches

Binary file ./modutils/lib.a matches

Binary file ./modutils/modprobe-small.omatches

./modutils/modutils.c:191:               return "debug--191-invalid moduleformat";

14：操作顺序

[root@GXR05/mnt]$insmod linux-uk-proxy.ko

[root@GXR05/mnt]$insmod linux-kernel-bde.ko

15.核心模块error

       这个问题可能跟内核有关，需要深入研究，内核模块太大，申请内存出现错误：

http://bbs.chinaunix.net/thread-4168128-1-1.html

Linux 3.0对应修改源码：的memory.h里面的

1.  /*

2.  * PAGE_OFFSET - the virtual address of thestart of the kernel image

3.  * TASK_SIZE - the maximum size of a userspace task.

4.  * TASK_UNMAPPED_BASE - the lower boundaryof the mmap VM area

5.  */

6.  #define PAGE_OFFSET               UL(CONFIG_PAGE_OFFSET)

7.  #define TASK_SIZE               (UL(CONFIG_PAGE_OFFSET) - UL(0x01000000))

8.  #define TASK_UNMAPPED_BASE       (UL(CONFIG_PAGE_OFFSET) / 3)

9.   

10. /*

11. * The maximum size of a 26-bit user spacetask.

12. */

13. #define TASK_SIZE_26               UL(0x04000000)

14.  

15. /*

16. * The module space lives between theaddresses given by TASK_SIZE

17. * and PAGE_OFFSET - it must be within 32MBof the kernel text.

18. */

19. #ifndef CONFIG_THUMB2_KERNEL

20. #define MODULES_VADDR               (PAGE_OFFSET - 16*1024*1024)

21. #else

22. /* smaller range for Thumb-2 symbolsrelocation (2^24)*/

23. #define MODULES_VADDR               (PAGE_OFFSET - 8*1024*1024)

24. #endif

25.  

26. #if TASK_SIZE > MODULES_VADDR

27. #error Top of user space clashes withstart of module space

28. #endif

29.  

30. /*

31. * The highmem pkmap virtual space sharesthe end of the module area.

32. */

33. #ifdef CONFIG_HIGHMEM

34. #define MODULES_END               (PAGE_OFFSET - PMD_SIZE)

35. #else

36. #define MODULES_END               (PAGE_OFFSET)

37. #endif

16, error for insmod linux-bcm-core.ko

[root@GXR05/mnt]$insmod linux-bcm-core.ko

[   76.334104] linux_bcm_core:Unknown symbol soc_mem_array_write (err 0)

[   76.342565] linux_bcm_core:Unknown symbol soc_phy_set_verbose (err 0)

[   76.352435] linux_bcm_core:Unknown symbol soc_custom_reg_above_64_set (err 0)

[   76.360465] linux_bcm_core:Unknown symbol soc_mem_array_read_flags (err 0)

[   76.370004] linux_bcm_core:Unknown symbol bcm5324_trunk_patch_linkscan (err 0)

[   76.382773] linux_bcm_core:Unknown symbol soc_mem_array_read (err 0)

[   76.391729] linux_bcm_core:Unknown symbol soc_custom_reg_above_64_get (err 0)

[   76.399626] linux_bcm_core:Unknown symbol soc_mem_array_write_extended (err 0)

insmod: can't insert 'linux-bcm-core.ko': unknown symbol in module orinvalid parameter

修改：

./systems/linux/kernel/modules/bcm-core/bcm-core-symbols.h:871:EXPORT_SYMBOL(soc_mem_array_write);