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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:31:12 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:31:12 +0200
commit3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch)
tree3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /arch/powerpc/boot/oflib.c
parent88d1dce3a74367291f65a757fbdcaf17f042f30c (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts: drivers/pci/quirks.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/boot/oflib.c')
-rw-r--r--arch/powerpc/boot/oflib.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/powerpc/boot/oflib.c b/arch/powerpc/boot/oflib.c
index 95b8fd69a40..b0ec9cf3eaa 100644
--- a/arch/powerpc/boot/oflib.c
+++ b/arch/powerpc/boot/oflib.c
@@ -168,8 +168,19 @@ void *of_claim(unsigned long virt, unsigned long size, unsigned long align)
void *of_vmlinux_alloc(unsigned long size)
{
- void *p = malloc(size);
-
+ unsigned long start = (unsigned long)_start, end = (unsigned long)_end;
+ void *addr;
+ void *p;
+
+ /* With some older POWER4 firmware we need to claim the area the kernel
+ * will reside in. Newer firmwares don't need this so we just ignore
+ * the return value.
+ */
+ addr = of_claim(start, end - start, 0);
+ printf("Trying to claim from 0x%lx to 0x%lx (0x%lx) got %p\r\n",
+ start, end, end - start, addr);
+
+ p = malloc(size);
if (!p)
fatal("Can't allocate memory for kernel image!\n\r");