[U-Boot-Users] How to build a usable xipuImage?

[phantom yang]

Hi,

I trying to implement "Kernel XIP"
I have done the xipuImage patch and set CONFIG_XIP_PHYS_ADDR=0x00100000.
And have wrote xipuImage on 0x00100000 (reference to omap5912 memory map).

My build xipuImage command:
arm-linux-objcopy -O binary -R .note -R .comment -S vmlinux arch/arm/boot/xipImage
mkimage -x -A arm -O linux -T kernel -C none -a 0x00100000 -e 0x00100040 -n '2.6.12-omap1-xip' -d arch/arm/boot/xipImage arch/arm/boot/xipuImage

Because of the message, "xipImage has invalid buffer for XIP"
I marked the header check from mkimage.c and rebuild mkimage:
/*
for (p=ptr; p < ptr+sizeof(image_header_t); p++) {
    if ( *p != 0xff ) {
        fprintf (stderr, "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
                                        cmdname, datafile);
        exit (EXIT_FAILURE);
    }
}
*/                      


While booting:
## Booting image at 00100000 ...
   Image Name:   2.6.12-omap1-xip
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2321352 Bytes =  2.2 MB
   Load Address: 00100000
   Entry Point:  00100040
   Verifying Checksum ... OK
   XIP Kernel Image ... OK

Starting kernel ...

[halt!!]


--------------------------------------------------
If I don't remove header check.
And build xipuImage using:
arm-linux-objcopy -O binary -R .note -R .comment -S vmlinux arch/arm/boot/xipImage
mkimage -A arm -O linux -T kernel -C none -a 0x00100000 -e 0x00100040 -n '2.6.12-omap1-xip' -d arch/arm/boot/xipImage arch/arm/boot/xipuImage

While booting:
## Booting image at 00100000 ...
   Image Name:   2.6.12-omap1-xip-4
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2321352 Bytes =  2.2 MB
   Load Address: 00100000
   Entry Point:  00100040
   Verifying Checksum ... OK
OK

Starting kernel ...
[halt!!]

Thus, how to build a usable xinuImage?

Thanks,

phantom yang

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