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c55aef0e5b
The wrapper code which uncompresses the kernel in case of a 'ppc' boot is by default loaded at 0x00400000 and the kernel will be uncompressed to fit the location 0-0x00400000. But with dynamic relocations, the size of the kernel may exceed 0x00400000(4M). This would cause an overlap of the uncompressed kernel and the boot wrapper, causing a failure in boot. The message looks like : zImage starting: loaded at 0x00400000 (sp: 0x0065ffb0) Allocating 0x5ce650 bytes for kernel ... Insufficient memory for kernel at address 0! (_start=00400000, uncompressed size=00591a20) This patch shifts the load address of the boot wrapper code to the next higher MB, according to the size of the uncompressed vmlinux. With the patch, we get the following message while building the image : WARN: Uncompressed kernel (size 0x5b0344) overlaps the address of the wrapper(0x400000) WARN: Fixing the link_address of wrapper to (0x600000) Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com> Signed-off-by: Josh Boyer <jwboyer@gmail.com> |
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