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authorDavid S. Miller <davem@davemloft.net>2008-07-18 02:39:39 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-18 02:39:39 -0700
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /arch/powerpc/boot/oflib.c
parenta0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
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");