- 16 10月, 2007 2 次提交
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由 Sam Ravnborg 提交于
The variable CPPFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. This patch replace use of CPPFLAGS with KBUILD_CPPFLAGS all over the tree and enabling one to use: make CPPFLAGS=... to specify additional CPP commandline options. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k, s390 Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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由 Sam Ravnborg 提交于
The variable AFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of AFLAGS with KBUILD_AFLAGS all over the tree. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k, s390 Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 15 10月, 2007 1 次提交
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由 Sam Ravnborg 提交于
The variable CFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of CFLAGS with KBUILD_CFLAGS all over the tree and enabling one to use: make CFLAGS=... to specify additional gcc commandline options. One usecase is when trying to find gcc bugs but other use cases has been requested too. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k Test was simple to do a defconfig build, apply the patch and check that nothing got rebuild. Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 17 9月, 2007 1 次提交
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由 Adrian Bunk 提交于
Current status of APUS: - arch/powerpc/: removed in 2.6.23 - arch/ppc/: marked BROKEN since 2 years This therefore removes the remaining parts of APUS support from arch/ppc, include/asm-ppc, arch/powerpc and include/asm-powerpc. Signed-off-by: NAdrian Bunk <bunk@stusta.de> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 28 3月, 2006 2 次提交
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由 Kumar Gala 提交于
Towards the goal of having arch/powerpc not build anything over in arch/ppc move math-emu over. Also, killed some references to arch/ppc/ in the arch/powerpc Makefile which should belong in drivers/ when the particular sub-arch's move over to arch/powerpc. Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Paul Mackerras 提交于
32-bit CHRP machines are now supported only in arch/powerpc, as are all 64-bit PowerPC processors. This means that we don't use Open Firmware on any platform in arch/ppc any more. This makes PReP support a single-platform option like every other platform support option in arch/ppc now, thus CONFIG_PPC_MULTIPLATFORM is gone from arch/ppc. CONFIG_PPC_PREP is the option that selects PReP support and is generally what has replaced CONFIG_PPC_MULTIPLATFORM within arch/ppc. _machine is all but dead now, being #defined to 0. Updated Makefiles, comments and Kconfig options generally to reflect these changes. Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 27 3月, 2006 1 次提交
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由 Paul Mackerras 提交于
This unifies the 32-bit (ARCH=ppc and ARCH=powerpc) and 64-bit idle loops. It brings over the concept of having a ppc_md.power_save function from 32-bit to ARCH=powerpc, which lets us get rid of native_idle(). With this we will also be able to simplify the idle handling for pSeries and cell. Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 06 3月, 2006 1 次提交
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由 Paul Smith 提交于
The kbuild system takes advantage of an incorrect behavior in GNU make. Once this behavior is fixed, all files in the kernel rebuild every time, even if nothing has changed. This patch ensures kbuild works with both the incorrect and correct behaviors of GNU make. For more details on the incorrect behavior, see: http://lists.gnu.org/archive/html/bug-make/2006-03/msg00003.html Changes in this patch: - Keep all targets that are to be marked .PHONY in a variable, PHONY. - Add .PHONY: $(PHONY) to mark them properly. - Remove any $(PHONY) files from the $? list when determining whether targets are up-to-date or not. Signed-off-by: NPaul Smith <psmith@gnu.org> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 09 1月, 2006 1 次提交
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由 Sam Ravnborg 提交于
This was causing some ordering problems. Remove the up-front evaluation and just revaluate the compiler version each time we need it. (The up-front evaluation was problematic because some architectures modify the value of $(CC)). Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 01 11月, 2005 1 次提交
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由 David Gibson 提交于
Here's a revised version. This re-introduces the set_bits() function from ppc64, which I removed because I thought it was unused (it exists on no other arch). In fact it is used in the powermac interrupt code (but not on pSeries). - We use LARXL/STCXL macros to generate the right (32 or 64 bit) instructions, similar to LDL/STL from ppc_asm.h, used in fpu.S - ppc32 previously used a full "sync" barrier at the end of test_and_*_bit(), whereas ppc64 used an "isync". The merged version uses "isync", since I believe that's sufficient. - The ppc64 versions of then minix_*() bitmap functions have changed semantics. Previously on ppc64, these functions were big-endian (that is bit 0 was the LSB in the first 64-bit, big-endian word). On ppc32 (and x86, for that matter, they were little-endian. As far as I can tell, the big-endian usage was simply wrong - I guess no-one ever tried to use minixfs on ppc64. - On ppc32 find_next_bit() and find_next_zero_bit() are no longer inline (they were already out-of-line on ppc64). - For ppc64, sched_find_first_bit() has moved from mmu_context.h to the merged bitops. What it was doing in mmu_context.h in the first place, I have no idea. - The fls() function is now implemented using the cntlzw instruction on ppc64, instead of generic_fls(), as it already was on ppc32. - For ARCH=ppc, this patch requires adding arch/powerpc/lib to the arch/ppc/Makefile. This in turn requires some changes to arch/powerpc/lib/Makefile which didn't correctly handle ARCH=ppc. Built and running on G5. Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 29 10月, 2005 1 次提交
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由 Lee Nicks 提交于
Depending on how GCC is built, GCC 4 may generate altivec instructions without user explicitly requesting vector operations in the code. Although this is a performance booster for user applications, it is a problem for kernel. This patch explicitly instruct GCC to NOT generate altivec instructions while building the kernel. Here are some test cases I ran. (1) build gcc 4.0.1 with '--with-cpu=7450 --enable-altivec --enable-cxx-flags=-mcpu=7450', and use this gcc to build kernel WITHOUT this kernel patch. Kernel fail to boot up on a 7450 board because of altivec instructions in kernel. (2) build gcc 4.0.1 with "--with-cpu=7450 --enable-altivec --enable-cxx-flags=-mcpu=7450", and use this gcc to build kernel WITH this kernel patch. Kernel boot up on a 7450 board without any problem. (3) build gcc 4.0.1 with "--with-cpu=750 --enable-cxx-flags=-mcpu=750", and use this gcc to build kernel with or without this kernel patch. Kernel boot up on a 7450 board without any problem. This patch should also work with GCC 3 or even earlier GCC 2.95.3. Signed-off-by: NLee Nicks <allinux@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 26 10月, 2005 1 次提交
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由 Paul Mackerras 提交于
This defines a CONFIG_INDIRECT_PCI symbol to control whether it gets used or not, and fixes the Kconfig to select that symbol for platforms that need it. Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 11 10月, 2005 1 次提交
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由 Paul Mackerras 提交于
This fixes up a variety of minor problems in compiling with ARCH=ppc arising from using the merged versions of various header files. A lot of the changes are just adding #include <asm/machdep.h> to files that use ppc_md or smp_ops_t. This also arranges for us to use semaphore.c, vecemu.c, vector.S and fpu.S from arch/powerpc/kernel when compiling with ARCH=ppc. Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 21 9月, 2005 1 次提交
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由 Stephen Rothwell 提交于
- merge common.c - move model specific files - remove stub Makefiles - clean up arch/ppc*/Makefile Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 12 9月, 2005 1 次提交
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由 Sam Ravnborg 提交于
When introducing the generic asm-offsets.h support the dependency chain for the prepare targets was changed. All build scripts expecting include/asm/asm-offsets.h to be made when using the prepare target would broke. With the limited number of prepare targets left in arch Makefiles the trivial solution was to introduce a new arch specific target: archprepare The dependency chain looks like this now: prepare | +--> prepare0 | +--> archprepare | +--> scripts_basic +--> prepare1 | +---> prepare2 | +--> prepare3 So prepare 3 is processed before prepare2 etc. This guaantees that the asm symlink, version.h, scripts_basic are all updated before archprepare is processed. prepare0 which build the asm-offsets.h file will need the actions performed by archprepare. The head target is now named prepare, because users scripts will most likely use that target, but prepare-all has been kept for compatibility. Updated Documentation/kbuild/makefiles.txt. Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 11 9月, 2005 1 次提交
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由 Stephen Rothwell 提交于
This is less troublesome and makes more sense. Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 10 9月, 2005 1 次提交
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由 Sam Ravnborg 提交于
Delete obsoleted parts form arch makefiles and rename to asm-offsets.h Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 30 8月, 2005 1 次提交
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由 Stephen Rothwell 提交于
The ppc and ppc64 trees are hopefully going to merge over time, so this patch begins the process by creating a place for the merging of the header files. Create include/asm-powerpc (and move linkage.h into it from asm-{ppc,ppc64} since we don't like empty directories). Modify the ppc and ppc64 Makefiles to cope. Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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- 26 6月, 2005 1 次提交
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由 Kumar Gala 提交于
The e200 core is a Book-E core (similar to e500) that has a unified L1 cache and is not cache coherent on the bus. The e200 core also adds a separate exception level for debug exceptions. Part of this patch helps to cleanup a few cases that are true for all Freescale Book-E parts, not just e500. Signed-off-by: NKim Phillips <kim.phillips@freescale.com> Signed-off-by: NKumar Gala <kumar.gala@freescale.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 01 5月, 2005 1 次提交
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由 Paul Mackerras 提交于
Moved common FPU exception handling code out of head.S so it can be used by several of the sub-architectures that might of a full PowerPC FPU. Also, uses new CONFIG_PPC_FPU define to fix alignment exception handling for floating point load/store instructions to only occur if we have a hardware FPU. Signed-off-by: NJason McMullan <jason.mcmullan@timesys.com> Signed-off-by: NKumar Gala <kumar.gala@freescale.com> Signed-off-by: NPaul Mackerras <paulus@samba.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 17 4月, 2005 1 次提交
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由 Linus Torvalds 提交于
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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