嵌入式编译zImage与uboot时出现问题，芯片是imx287

Question

报错信息：sun@sun-X450CC:~/sun/Bootloader/imx-bootlets-src-2.6.35.3-1.1.0$ make BOARD=iMX28_EVK
by using the pre-build command line

force building linux_prep

make clean -C linux_prep
make[1]: 正在进入目录 /home/sun/sun/Bootloader/imx-bootlets-src-2.6.35.3-1.1.0/linux_prep'
Cleaning...
Files:
rm -rf ./core/entry.o ./core/resume.o ./core/cmdlines.o ./core/setup.o ./core/keys.o ./board/iMX28_EVK.o ./hw/lradc-buttons.o ./output-target/linux_prep.ld
Build output:
rm -rf ./output-target
Build system:
rm -rf ./include/arch
make[1]:正在离开目录/home/sun/sun/Bootloader/imx-bootlets-src-2.6.35.3-1.1.0/linux_prep'
cross-compiling linux_prep
make -C linux_prep ARCH=mx28 BOARD=iMX28_EVK
make[1]: 正在进入目录 /home/sun/sun/Bootloader/imx-bootlets-src-2.6.35.3-1.1.0/linux_prep'
gcc -c -Wall -I./include -nostdinc -fno-builtin -O -DMX28 -DBOARD_MX28_EVK -D__ASSEMBLY__ -o core/entry.o core/entry.S
core/entry.S: Assembler messages:
core/entry.S:26: Error: unknown pseudo-op:.code'
core/entry.S:31: Error: no such instruction: stmdb sp!,{r4-r12,lr}'
core/entry.S:34: Error: no such instruction:ldr r4,entry_count'
core/entry.S:35: Error: expecting operand after ','; got nothing
core/entry.S:36: Error: no such instruction: bne start_kernel'
core/entry.S:42: Error: no such instruction:bl try_to_resume'
core/entry.S:49: Error: too many memory references for add'
core/entry.S:50: Error: too many memory references forstr'
core/entry.S:53: Error: no such instruction: ldmia sp!,{r4-r12,lr}'
core/entry.S:54: Error: no such instruction:bx lr'
core/entry.S:56: Error: unknown pseudo-op: .pool'
core/entry.S:64: Error: no such instruction:bl clear_bss'
core/entry.S:67: Error: no such instruction: bl hw_init'
core/entry.S:70: Error: no such instruction:bl setup_tags'
core/entry.S:71: Error: too many memory references for mov'
core/entry.S:74: Error: no such instruction:ldr r1,=2531'
core/entry.S:77: Error: expecting operand after ','; got nothing
core/entry.S:80: Error: no such instruction: ldr lr,=(0x40000000+0x8000)'
core/entry.S:81: Error: too many memory references formov'
core/entry.S:83: Error: unknown pseudo-op: .pool'
core/entry.S:91: Error: no such instruction:stmdb sp!,{r4-r6,lr}'
core/entry.S:92: Error: no such instruction: ldr r4,=_hwinit_start'
core/entry.S:93: Error: no such instruction:ldr r5,=_hwinit_end'
core/entry.S:94: Error: no such instruction: ldr r6,[r4],'
core/entry.S:95: Error: too many memory references formov'
core/entry.S:96: Error: too many memory references for mov'
core/entry.S:97: Error: too many memory references forcmp'
core/entry.S:98: Error: no such instruction: blo 1b'
core/entry.S:99: Error: no such instruction:ldmia sp!,{r4-r6,lr}'
core/entry.S:100: Error: too many memory references for mov'
core/entry.S:102: Error: unknown pseudo-op:.pool'
core/entry.S:107: Error: no such instruction: ldr r0,=_bss_start'
core/entry.S:108: Error: no such instruction:ldr r1,=_bss_end'
core/entry.S:109: Error: expecting operand after ','; got nothing
core/entry.S:110: Error: invalid char '[' beginning operand 2 [r0]'
core/entry.S:111: Error: too many memory references forcmp'
core/entry.S:112: Error: no such instruction: blo 1b'
core/entry.S:113: Error: too many memory references formov'
core/entry.S:115: Error: unknown pseudo-op: .pool'
core/entry.S:122: Error: too many memory references formov'
core/entry.S:125: Error: too many memory references for mov'
core/entry.S:128: Error: too many memory references formov'
make[1]: *** [core/entry.o] 错误 1
make[1]:正在离开目录 `/home/sun/sun/Bootloader/imx-bootlets-src-2.6.35.3-1.1.0/linux_prep'
make: *** [linux_prep] 错误 2

报错文件我找到了是这个：
/*

• linux_prep entry code. *
• Entered twice: *
• - Before loading Linux kernel image to SDRAM to check
• if CPU is being taken out of standby mode and resume
• sleeping kernel. *
• - After loading Linux kernel image to prepare Linux boot
• paramteters and jump to the kernel *
• Vladislav Buzov [e-mail] *
• Copyright 2008 SigmaTel, Inc
• Copyright 2008 Embedded Alley Solutions, Inc *
• This file is licensed under the terms of the GNU General Public License
• version 2. This program is licensed "as is" without any warranty of any
• kind, whether express or implied. */ #include

#undef DEBUG

.code 32
.section ".start", "ax"

.global _start, _fail_reason

_start:
stmdb sp!, {r4-r12, lr}

/* Check entry counter */
ldr r4, entry_count
cmp r4, #0
bne start_kernel

/*
 * We may not return from there if system is resuming
 * from standby mode
 */
bl  try_to_resume

#ifdef DEBUG
mov r2, #0x80000000
orr r2, r2, #0x70000
str r0, [r2]
#endif
/* Update counter to show we were here */
add r4, r4, #1
str r4, entry_count

/* Return to ROM */
ldmia   sp!, {r4-r12, lr}
bx  lr

.pool

entry_count:
.long 0x00
_fail_reason:
.long 0x00

start_kernel:
bl clear_bss

/* Initialize HW modules relevant for linux_prep */
bl  hw_init

/* Setup tags for Linux kernel and save tags pointer in r2 */
bl  setup_tags
mov r2, r0

/* Store machine id in r1 */
ldr r1, =MACHINE_ID

/* Zero r0 register */
mov r0, #0

/* Jump to Linux kernel */
ldr lr, =KERNEL_BASE_ADDRESS
mov pc, lr

.pool

/*

• This function initializes all HW modules anebled in
• current configuration. It goes throgh .hwinitcall section

• containing addresses of HW initialization routines.
  */
  hw_init:
  stmdb sp!, {r4-r6, lr}
  ldr r4, =_hwinit_start
  ldr r5, =_hwinit_end
  1: ldr r6, [r4], #4
  mov lr, pc
  mov pc, r6
  cmp r4, r5
  blo 1b
  ldmia sp!, {r4-r6, lr}
  mov pc, lr

  .pool
  /*

• This function clears out the .bss section.
  */
  clear_bss:
  ldr r0, =_bss_start
  ldr r1, =_bss_end
  mov r2, #0
  1: str r2, [r0], #4
  cmp r0, r1
  blo 1b
  mov pc, lr

  .pool
  /*

• ARM EABI toolchain needs divide by zero handler to be implemented

• externally.
  */
  .globl __div0
  __div0:
  mov pc, lr
  .globl __aeabi_unwind_cpp_pr0
  __aeabi_unwind_cpp_pr0:
  mov pc, lr
  .globl raise
  raise:
  mov pc, lr

有没有知道哪里错了的，这个文件我没有动过，是不是有什么地方需要配置

Answer 1

需要安装交叉编译工具，而且通过ARCH和CROSSCOMPILER传递给make
从错误信息上看，你直接用的是gcc，当然编译错误