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These macros help in writing assembly code that works for both ppc32
and ppc64. With this we now have a common fpu.S. This takes out
load_up_fpu from head_64.S.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Merge vmlinux.lds.S.
Also remove arch/powerpc/kernel/vmlinux.lds which is a
generated file.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Use idle_power4.S from ppc64 as we are not going to support
32 bit power4 in the merged tree.
Merge ppc64 traps.c into powerpc traps.c:
use ppc64 versions of exception routine names
(as they don't have StudlyCaps)
make all the versions if die() have the same
prototype
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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This updates the powermac SMP code to use the mpic driver instead of
the openpic driver and fixes the SMP-dependent context switch code.
We had a subtle bug where we were using interrupt numbers 256-259 for
IPIs, but ppc32 had NR_IRQS = 256. Moved the IPIs down to use interrupt
numbers 252-255 instead.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Update head_64.S from arch/ppc64
Remove arc/ppc/kernel/fpu.S
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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This merges ppc_ksyms.c, puts back the actual do_execve call in
sys_execve, makes init_MMU call find_end_of_memory rather than
ppc_md.find_end_of_memory (every platform has a device tree
with a /memory node now, right?) and fixes some problems with the
mpic initialization on newworld powermacs.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Changed ppc32 so that cur_cpu_spec is just a single pointer for all CPUs.
Additionally, made call_setup_cpu check to see if the cpu_setup pointer
is NULL or not before calling the function. This lets remove the dummy
cpu_setup calls that just return.
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This creates the directory structure under arch/powerpc and a bunch
of Kconfig files. It does a first-cut merge of arch/powerpc/mm,
arch/powerpc/lib and arch/powerpc/platforms/powermac. This is enough
to build a 32-bit powermac kernel with ARCH=powerpc.
For now we are getting some unmerged files from arch/ppc/kernel and
arch/ppc/syslib, or arch/ppc64/kernel. This makes some minor changes
to files in those directories and files outside arch/powerpc.
The boot directory is still not merged. That's going to be interesting.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This file is the same in both architectures so create arch/powerpc/kernel
and move it there.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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