- 10 Oct, 2005 15 commits
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Paul Mackerras authored
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
The system call table has been consolidated into systbl.S. We have separate 32-bit and 64-bit versions of entry.S and misc.S since the code is mostly sufficiently different to be not worth merging. There are some common bits that will be extracted in future. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This also puts a copy of indirect_pci.c in arch/powerpc/sysdev so that we don't need to build in arch/ppc/syslib. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Now that the register names and bit definitions are all in reg.h, use that instead of processor.h in assembly code in a few places. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This merges in the ppc64 bits into arch/powerpc/Kconfig.debug Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Since the files are now in arch/powerpc/platforms/powermac, the pmac_ prefix that they had is redundant. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Now that we are using the merged reg.h we have to use the SPRN_xxx names rather than the xxx names. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This moves the remaining files in arch/ppc64/mm to arch/powerpc/mm, and arranges that we use them when compiling with ARCH=ppc64. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This doesn't change any code, just renames things so we consistently have foo_32.c and foo_64.c where we have separate 32- and 64-bit versions. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
The only real change here is that lmb_enforce_memory_limit now takes the memory_limit as a parameter instead of as a global variable. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This adds register definitions from the ppc64 processor.h to reg.h, and makes a single merged processor.h. I moved __is_processor from the ppc64 system.h to the merged reg.h along with the PVR register constants. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
In preparation for merging processor.h, this adds some explicit but won't be after the merge. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This changes symbols like HID0, SPRG3, SRR0, SRR1 etc. that refer to special purpose registers to SPRN_HID0, SPRN_SPRG3, etc. Using the SPRN_ symbols clutters the namespace less, and the forthcoming merge of asm/processor.h and asm/reg.h is going to remove the non-SPRN_ versions. Signed-off-by: Paul Mackerras <paulus@samba.org>
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- 06 Oct, 2005 9 commits
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Paul Mackerras authored
This fixes a compile warning when using arch/ppc/kernel/idle.c in a merged (ARCH=powerpc) kernel. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This is needed by arch/powerpc/mm/mem.c now. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This reduces the differences between ppc32 and ppc64 in arch/powerpc/kernel/traps.c a bit further. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Also compile btext.c with -fPIC; this was missed before. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
These days there is no good reason to run a ppc32 kernel on a 64-bit cpu, rather than a ppc64 kernel, so remove the config option and a bunch of code (and ifdefs) from head.S. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This also creates merged versions of do_init_bootmem, paging_init and mem_init and moves them to arch/powerpc/mm/mem.c. It gets rid of the mem_pieces stuff. I made memory_limit a parameter to lmb_enforce_memory_limit rather than a global referenced by that function. This will require some small changes to ppc64 if we want to continue building ARCH=ppc64 using the merged lmb.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
This brings in the ppc64 version of prom_init.c, prom.c and btext.c and makes them work for ppc32. This also brings in the new calling convention, where the first entry to the kernel (with r5 != 0) goes to the prom_init code, which then restarts from the beginning (with r5 == 0) after it has done its stuff. For now this also brings in the ppc32 version of setup.c. It also merges lmb.h. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
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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- 04 Oct, 2005 2 commits
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Paul Mackerras authored
klock_info isn't used or referenced anywhere else in the kernel. Signed-off-by: Paul Mackerras <paulus@samba.org>
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Paul Mackerras authored
... and remove the exports from ppc_ksyms.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
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- 02 Oct, 2005 1 commit
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- 01 Oct, 2005 5 commits
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Stephen Rothwell authored
Now that we use the device tree, it helps to build it in. It helps to links the kernel at the correct address. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
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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Stephen Rothwell authored
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
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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Paul Mackerras authored
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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- 30 Sep, 2005 5 commits
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Stephen Rothwell authored
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
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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Stephen Rothwell authored
Update old kernel/Makefiles to cope Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
These files are only referenced from within arch/powerpc/platforms/iseries, so move them there. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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- 29 Sep, 2005 1 commit
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Paul Mackerras authored
Signed-off-by: Paul Mackerras <paulus@samba.org>
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- 28 Sep, 2005 2 commits
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David Howells authored
The attached patch adds extra permission grants to keys for the possessor of a key in addition to the owner, group and other permissions bits. This makes SUID binaries easier to support without going as far as labelling keys and key targets using the LSM facilities. This patch adds a second "pointer type" to key structures (struct key_ref *) that can have the bottom bit of the address set to indicate the possession of a key. This is propagated through searches from the keyring to the discovered key. It has been made a separate type so that the compiler can spot attempts to dereference a potentially incorrect pointer. The "possession" attribute can't be attached to a key structure directly as it's not an intrinsic property of a key. Pointers to keys have been replaced with struct key_ref *'s wherever possession information needs to be passed through. This does assume that the bottom bit of the pointer will always be zero on return from kmem_cache_alloc(). The key reference type has been made into a typedef so that at least it can be located in the sources, even though it's basically a pointer to an undefined type. I've also renamed the accessor functions to be more useful, and all reference variables should now end in "_ref". Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Paul Jackson authored
Don't leak a page of memory if user reads a cpuset file past eof. Signed-off-by: KUROSAWA Takahiro <kurosawa@valinux.co.jp> Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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