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Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
kbuild: use more subdir- for visiting subdirectories while cleaning Documentation/kbuild/makefiles.rst suggests to use "archclean" for cleaning arch/$(SRCARCH)/boot/, but it is not a hard requirement. Since commit d92cc4d51643 ("kbuild: require all architectures to have arch/$(SRCARCH)/Kbuild"), we can use the "subdir- += boot" trick for all architectures. This can take advantage of the parallel option (-j) for "make clean". I also cleaned up the comments in arch/$(SRCARCH)/Makefile. The "archdep" target no longer exists. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
2021-10-13 15:36:22 +09:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
arch/parisc: Remove trailing whitespaces Fix trailing whitespaces. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Helge Deller <deller@gmx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230417125651.25126-13-tzimmermann@suse.de
2023-04-17 14:56:44 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
[PARISC] move defconfig to arch/parisc/configs/ This patch moves the default parisc defconfig to arch/parisc/configs/generic_defconfig where it belongs and selects it as the default defconfig through KBUILD_DEFCONFIG. Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2008-02-26 21:55:17 +02:00
parisc: Fix KBUILD_IMAGE for self-extracting kernel Default KBUILD_IMAGE to $(boot)/bzImage if a self-extracting (CONFIG_PARISC_SELF_EXTRACT=y) kernel is to be built. This fixes the bindeb-pkg make target. Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # v4.14+
2021-11-26 22:35:45 +01:00
parisc: switch to gzip-compressed vmlinuz kernel The latest PA-RISC Boot Loader (palo) allows loading of gzip compressed vmlinuz kernels. So let's now switch to build a vmlinuz file when we build a palo boot image. PALO version 1.9 (or higher) is required for this which is available at git://git.kernel.org/pub/scm/linux/kernel/git/deller/palo.git Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # 3.10
2013-06-29 13:31:24 +02:00
kbuild: add endianness flag to CHEKCFLAGS The kernel depends on macros like __BYTE_ORDER__, __BIG_ENDIAN__ or __LITTLE_ENDIAN__. OTOH, sparse doesn't know about the endianness of the kernel and by default uses the same as the machine on which sparse was built. Ensure that sparse can predefine the macros corresponding to how the kernel was configured by adding -m{big,little}-endian to CHECKFLAGS in the main Makefile (and so for all archs). Also, remove the equivalent done in arch specific Makefiles. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-05-28 20:27:35 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
kbuild: add machine size to CHECKFLAGS By default, sparse assumes a 64bit machine when compiled on x86-64 and 32bit when compiled on anything else. This can of course create all sort of problems for the other archs, like issuing false warnings ('shift too big (32) for type unsigned long'), or worse, failing to emit legitimate warnings. Fix this by adding the -m32/-m64 flag, depending on CONFIG_64BIT, to CHECKFLAGS in the main Makefile (and so for all archs). Also, remove the now unneeded -m32/-m64 in arch specific Makefiles. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-05-30 22:48:38 +02:00
parisc: Wire up support for self-extracting kernel Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-20 10:52:22 +02:00
[PARISC] Attempt to clean up parisc/Makefile Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 13:54:51 -07:00
parisc: Wire up support for self-extracting kernel Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-20 10:52:22 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: Fix defconfig selection Fix the recursive loop when running "make ARCH=parisc defconfig". Fixes: 84669923e1ed ("parisc: Regenerate parisc defconfigs") Noticed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Helge Deller <deller@gmx.de>
2020-03-26 23:31:43 +01:00
parisc: Fix compile failure when building 64-bit kernel natively Commit 23243c1ace9f ("arch: use cross_compiling to check whether it is a cross build or not") broke 64-bit parisc builds on 32-bit parisc systems. Helge mentioned: - 64-bit parisc userspace is not supported yet [1] - hppa gcc does not support "-m64" flag [2] That means, parisc developers working on a 32-bit parisc machine need to use hppa64-linux-gnu-gcc (cross compiler) for building the 64-bit parisc kernel. After the offending commit, gcc is used in such a case because both $(SRCARCH) and $(SUBARCH) are 'parisc', hence cross_compiling is unset. A correct way is to introduce ARCH=parisc64 because building the 64-bit parisc kernel on a 32-bit parisc system is not exactly a native build, but rather a semi-cross build. [1]: https://lore.kernel.org/linux-parisc/5dfd81eb-c8ca-b7f5-e80e-8632767c022d@gmx.de/#t [2]: https://lore.kernel.org/linux-parisc/89515325-fc21-31da-d238-6f7a9abbf9a0@gmx.de/ Fixes: 23243c1ace9f ("arch: use cross_compiling to check whether it is a cross build or not") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reported-by: Meelis Roos <mroos@linux.ee> Tested-by: Meelis Roos <mroos@linux.ee> Cc: <stable@vger.kernel.org> # v5.13+ Signed-off-by: Helge Deller <deller@gmx.de>
2021-06-10 11:03:31 +09:00
parisc: Fix defconfig selection Fix the recursive loop when running "make ARCH=parisc defconfig". Fixes: 84669923e1ed ("parisc: Regenerate parisc defconfigs") Noticed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Helge Deller <deller@gmx.de>
2020-03-26 23:31:43 +01:00
parisc: Fix compile failure when building 64-bit kernel natively Commit 23243c1ace9f ("arch: use cross_compiling to check whether it is a cross build or not") broke 64-bit parisc builds on 32-bit parisc systems. Helge mentioned: - 64-bit parisc userspace is not supported yet [1] - hppa gcc does not support "-m64" flag [2] That means, parisc developers working on a 32-bit parisc machine need to use hppa64-linux-gnu-gcc (cross compiler) for building the 64-bit parisc kernel. After the offending commit, gcc is used in such a case because both $(SRCARCH) and $(SUBARCH) are 'parisc', hence cross_compiling is unset. A correct way is to introduce ARCH=parisc64 because building the 64-bit parisc kernel on a 32-bit parisc system is not exactly a native build, but rather a semi-cross build. [1]: https://lore.kernel.org/linux-parisc/5dfd81eb-c8ca-b7f5-e80e-8632767c022d@gmx.de/#t [2]: https://lore.kernel.org/linux-parisc/89515325-fc21-31da-d238-6f7a9abbf9a0@gmx.de/ Fixes: 23243c1ace9f ("arch: use cross_compiling to check whether it is a cross build or not") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reported-by: Meelis Roos <mroos@linux.ee> Tested-by: Meelis Roos <mroos@linux.ee> Cc: <stable@vger.kernel.org> # v5.13+ Signed-off-by: Helge Deller <deller@gmx.de>
2021-06-10 11:03:31 +09:00
parisc: Fix defconfig selection Fix the recursive loop when running "make ARCH=parisc defconfig". Fixes: 84669923e1ed ("parisc: Regenerate parisc defconfigs") Noticed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Helge Deller <deller@gmx.de>
2020-03-26 23:31:43 +01:00
parisc: Fix compile failure when building 64-bit kernel natively Commit 23243c1ace9f ("arch: use cross_compiling to check whether it is a cross build or not") broke 64-bit parisc builds on 32-bit parisc systems. Helge mentioned: - 64-bit parisc userspace is not supported yet [1] - hppa gcc does not support "-m64" flag [2] That means, parisc developers working on a 32-bit parisc machine need to use hppa64-linux-gnu-gcc (cross compiler) for building the 64-bit parisc kernel. After the offending commit, gcc is used in such a case because both $(SRCARCH) and $(SUBARCH) are 'parisc', hence cross_compiling is unset. A correct way is to introduce ARCH=parisc64 because building the 64-bit parisc kernel on a 32-bit parisc system is not exactly a native build, but rather a semi-cross build. [1]: https://lore.kernel.org/linux-parisc/5dfd81eb-c8ca-b7f5-e80e-8632767c022d@gmx.de/#t [2]: https://lore.kernel.org/linux-parisc/89515325-fc21-31da-d238-6f7a9abbf9a0@gmx.de/ Fixes: 23243c1ace9f ("arch: use cross_compiling to check whether it is a cross build or not") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reported-by: Meelis Roos <mroos@linux.ee> Tested-by: Meelis Roos <mroos@linux.ee> Cc: <stable@vger.kernel.org> # v5.13+ Signed-off-by: Helge Deller <deller@gmx.de>
2021-06-10 11:03:31 +09:00
parisc: Fix defconfig selection Fix the recursive loop when running "make ARCH=parisc defconfig". Fixes: 84669923e1ed ("parisc: Regenerate parisc defconfigs") Noticed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Helge Deller <deller@gmx.de>
2020-03-26 23:31:43 +01:00
parisc: Wire up support for self-extracting kernel Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-20 10:52:22 +02:00
parisc: Add vDSO support Add minimal vDSO support, which provides the signal trampoline helpers, but none of the userspace syscall helpers like time wrappers. The big benefit of this vDSO implementation is, that we now don't need an executeable stack any longer. PA-RISC is one of the last architectures where an executeable stack was needed in oder to implement the signal trampolines by putting assembly instructions on the stack which then gets executed. Instead the kernel will provide the relevant code in the vDSO page and only put the pointers to the signal information on the stack. By dropping the need for executable stacks we avoid running into issues with applications which want non executable stacks for security reasons. Additionally, alternative stacks on memory areas without exec permissions are supported too. This code is based on an initial implementation by Randolph Chung from 2006: https://lore.kernel.org/linux-parisc/4544A34A.6080700@tausq.org/ I did the porting and lifted the code to current code base. Dave fixed the unwind code so that gdb and glibc are able to backtrace through the code. An additional patch to gdb will be pushed upstream by Dave. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Dave Anglin <dave.anglin@bell.net> Cc: Randolph Chung <randolph@tausq.org> Signed-off-by: Helge Deller <deller@gmx.de>
2021-12-08 11:06:52 +01:00
parisc: Detect hppa-suse-linux-gcc compiler for cross-building Allow the system to find the SUSE hppa compiler and linker to set CROSS32_COMPILE and CROSS_COMPILE. Suggested-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de>
2022-03-21 22:02:01 +01:00
parisc: Add vDSO support Add minimal vDSO support, which provides the signal trampoline helpers, but none of the userspace syscall helpers like time wrappers. The big benefit of this vDSO implementation is, that we now don't need an executeable stack any longer. PA-RISC is one of the last architectures where an executeable stack was needed in oder to implement the signal trampolines by putting assembly instructions on the stack which then gets executed. Instead the kernel will provide the relevant code in the vDSO page and only put the pointers to the signal information on the stack. By dropping the need for executable stacks we avoid running into issues with applications which want non executable stacks for security reasons. Additionally, alternative stacks on memory areas without exec permissions are supported too. This code is based on an initial implementation by Randolph Chung from 2006: https://lore.kernel.org/linux-parisc/4544A34A.6080700@tausq.org/ I did the porting and lifted the code to current code base. Dave fixed the unwind code so that gdb and glibc are able to backtrace through the code. An additional patch to gdb will be pushed upstream by Dave. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Dave Anglin <dave.anglin@bell.net> Cc: Randolph Chung <randolph@tausq.org> Signed-off-by: Helge Deller <deller@gmx.de>
2021-12-08 11:06:52 +01:00
arch: use cross_compiling to check whether it is a cross build or not 'cross_compiling' is defined by the top Makefile and available for arch Makefiles to check whether it is a cross build or not. A good thing is the variable name 'cross_compiling' is self-documenting. This is a simple replacement for m68k, mips, sh, for which $(ARCH) and $(SRCARCH) always match. No functional change is intended for xtensa, either. This is rather a fix for parisc because arch/parisc/Makefile defines UTS_MATCHINE depending on CONFIG_64BIT, therefore cc-cross-prefix is not working in Kconfig time. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Helge Deller <deller@gmx.de> # parisc Acked-by: Max Filippov <jcmvbkbc@gmail.com> # xtensa
2021-05-02 02:24:36 +09:00
kbuild: use 4-space indentation when followed by conditionals GNU Make manual [1] clearly forbids a tab at the beginning of the conditional directive line: "Extra spaces are allowed and ignored at the beginning of the conditional directive line, but a tab is not allowed." This will not work for the next release of GNU Make, hence commit 82175d1f9430 ("kbuild: Replace tabs with spaces when followed by conditionals") replaced the inappropriate tabs with 8 spaces. However, the 8-space indentation cannot be visually distinguished. Linus suggested 2-4 spaces for those nested if-statements. [2] This commit redoes the replacement with 4 spaces. [1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax [2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-02-02 10:31:42 +09:00
parisc: Detect hppa-suse-linux-gcc compiler for cross-building Allow the system to find the SUSE hppa compiler and linker to set CROSS32_COMPILE and CROSS_COMPILE. Suggested-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de>
2022-03-21 22:02:01 +01:00
parisc: make default cross compiler search more robust (v3) People/distros vary how they prefix the toolchain name for 64bit builds. Rather than enforce one convention over another, add a for loop which does a search for all the general prefixes. For 64bit builds, we now search for (in order): hppa64-unknown-linux-gnu hppa64-linux-gnu hppa64-linux For 32bit builds, we look for: hppa-unknown-linux-gnu hppa-linux-gnu hppa-linux hppa2.0-unknown-linux-gnu hppa2.0-linux-gnu hppa2.0-linux hppa1.1-unknown-linux-gnu hppa1.1-linux-gnu hppa1.1-linux This patch was initiated by Mike Frysinger, with feedback from Jeroen Roovers, John David Anglin and Helge Deller. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Jeroen Roovers <jer@gentoo.org> Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de>
2013-05-11 19:04:09 +00:00
kbuild: use 4-space indentation when followed by conditionals GNU Make manual [1] clearly forbids a tab at the beginning of the conditional directive line: "Extra spaces are allowed and ignored at the beginning of the conditional directive line, but a tab is not allowed." This will not work for the next release of GNU Make, hence commit 82175d1f9430 ("kbuild: Replace tabs with spaces when followed by conditionals") replaced the inappropriate tabs with 8 spaces. However, the 8-space indentation cannot be visually distinguished. Linus suggested 2-4 spaces for those nested if-statements. [2] This commit redoes the replacement with 4 spaces. [1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax [2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-02-02 10:31:42 +09:00
[PARISC] Attempt to clean up parisc/Makefile Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 13:54:51 -07:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: add dynamic ftrace This patch implements dynamic ftrace for PA-RISC. The required mcount call sequences can get pretty long, so instead of patching the whole call sequence out of the functions, we are using -fpatchable-function-entry from gcc. This puts a configurable amount of NOPS before/at the start of the function. Taking do_sys_open() as example, which would look like this when the call is patched out: 1036b248: 08 00 02 40 nop 1036b24c: 08 00 02 40 nop 1036b250: 08 00 02 40 nop 1036b254: 08 00 02 40 nop 1036b258 <do_sys_open>: 1036b258: 08 00 02 40 nop 1036b25c: 08 03 02 41 copy r3,r1 1036b260: 6b c2 3f d9 stw rp,-14(sp) 1036b264: 08 1e 02 43 copy sp,r3 1036b268: 6f c1 01 00 stw,ma r1,80(sp) When ftrace gets enabled for this function the kernel will patch these NOPs to: 1036b248: 10 19 57 20 <address of ftrace> 1036b24c: 6f c1 00 80 stw,ma r1,40(sp) 1036b250: 48 21 3f d1 ldw -18(r1),r1 1036b254: e8 20 c0 02 bv,n r0(r1) 1036b258 <do_sys_open>: 1036b258: e8 3f 1f df b,l,n .-c,r1 1036b25c: 08 03 02 41 copy r3,r1 1036b260: 6b c2 3f d9 stw rp,-14(sp) 1036b264: 08 1e 02 43 copy sp,r3 1036b268: 6f c1 01 00 stw,ma r1,80(sp) So the first NOP in do_sys_open() will be patched to jump backwards into some minimal trampoline code which pushes a stackframe, saves r1 which holds the return address, loads the address of the real ftrace function, and branches to that location. For 64 Bit things are getting a bit more complicated (and longer) because we must make sure that the address of ftrace location is 8 byte aligned, and the offset passed to ldd for fetching the address is 8 byte aligned as well. Note that gcc has a bug which misplaces the function label, and needs a patch to make dynamic ftrace work. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90751 for details. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>
2019-06-05 22:32:22 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: Only use -mfast-indirect-calls option for 32-bit kernel builds In spite of what the GCC manual says, the -mfast-indirect-calls has never been supported in the 64-bit parisc compiler. Indirect calls have always been done using function descriptors irrespective of the -mfast-indirect-calls option. Recently, it was noticed that a function descriptor was always requested when the -mfast-indirect-calls option was specified. This caused problems when the option was used in application code and doesn't make any sense because the whole point of the option is to avoid using a function descriptor for indirect calls. Fixing this broke 64-bit kernel builds. I will fix GCC but for now we need the attached change. This results in the same kernel code as before. Signed-off-by: John David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # v3.0+ Signed-off-by: Helge Deller <deller@gmx.de>
2014-09-22 20:54:50 -04:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
[PARISC] Disable use of fpregs in pa_memcpy Disable use of fpregs in pa_memcpy, and turn on the -mdisable-fpregs flag. Signed-off-by: Randolph Chung <tausq@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2005-10-21 22:48:34 -04:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: add CONFIG_MLONGCALLS option to enable linkage of huge vmlinux executables When building a 64bit kernel which includes all necessary drivers and filesystems the vmlinux kernel often gets so huge, that the linker won't be able to resolve the branch stubs. This patch overcomes this limit by providing an option to compile the kernel with the -mlong-calls compiler option. Signed-off-by: Helge Deller <deller@gmx.de>
2013-01-31 21:44:28 +00:00
parisc: disable -mlong-calls compiler option for kernel modules CONFIG_MLONGCALLS was introduced in commit ec758f98328da3eb933a25dc7a2eed01ef44d849 to overcome linker issues when linking huge linux kernels, e.g. with many modules linked in. But in the kernel module loader there is no support yet for the new relocation types, which is why modules built with -mlong-calls can't be loaded. Furthermore, for modules long calls are not really necessary, since we already use stub sections which resolve long distance calls. So, let's just disable this compiler option when compiling kernel modules. Signed-off-by: Helge Deller <deller@gmx.de>
2013-04-23 21:29:03 +02:00
parisc: add CONFIG_MLONGCALLS option to enable linkage of huge vmlinux executables When building a 64bit kernel which includes all necessary drivers and filesystems the vmlinux kernel often gets so huge, that the linker won't be able to resolve the branch stubs. This patch overcomes this limit by providing an option to compile the kernel with the -mlong-calls compiler option. Signed-off-by: Helge Deller <deller@gmx.de>
2013-01-31 21:44:28 +00:00
parisc: Enable -ffunction-sections for modules on 32-bit kernel Frank Schreiner reported, that since kernel 4.18 he faces sysfs-warnings when loading modules on a 32-bit kernel. Here is one such example: sysfs: cannot create duplicate filename '/module/nfs/sections/.text' CPU: 0 PID: 98 Comm: modprobe Not tainted 4.18.0-2-parisc #1 Debian 4.18.10-2 Backtrace: [<1017ce2c>] show_stack+0x3c/0x50 [<107a7210>] dump_stack+0x28/0x38 [<103f900c>] sysfs_warn_dup+0x88/0xac [<103f8b1c>] sysfs_add_file_mode_ns+0x164/0x1d0 [<103f9e70>] internal_create_group+0x11c/0x304 [<103fa0a0>] sysfs_create_group+0x48/0x60 [<1022abe8>] load_module.constprop.35+0x1f9c/0x23b8 [<1022b278>] sys_finit_module+0xd0/0x11c [<101831dc>] syscall_exit+0x0/0x14 This warning gets triggered by the fact, that due to commit 24b6c22504a2 ("parisc: Build kernel without -ffunction-sections") we now get multiple .text sections in the kernel modules for which sysfs_create_group() can't create multiple virtual files. This patch works around the problem by re-enabling the -ffunction-sections compiler option for modules, while keeping it disabled for the non-module kernel code. Reported-by: Frank Scheiner <frank.scheiner@web.de> Fixes: 24b6c22504a2 ("parisc: Build kernel without -ffunction-sections") Cc: <stable@vger.kernel.org> # v4.18+ Signed-off-by: Helge Deller <deller@gmx.de>
2018-11-29 17:05:47 +01:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: rename "CONFIG_PA7100" to "CONFIG_PA7000" There's a Makefile line setting cflags for CONFIG_PA7100. But that Kconfig macro doesn't exist. There is a Kconfig symbol PA7000, which covers both PA7000 and PA7100 processors. So let's use the corresponding Kconfig macro. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Helge Deller <deller@gmx.de>
2013-05-29 09:56:58 +00:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
kbuild: enable 'make CFLAGS=...' to add additional options to CC 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: Sam Ravnborg <sam@ravnborg.org>
2007-10-14 22:21:35 +02:00
parisc: suppress error messages for 'make clean' Avoid error messages when running 'make ARCH=parisc clean'. Noticed-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de>
2020-05-10 22:43:33 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
[PARISC] fix code to find libgcc Sam broke this with commit 1f2bfbd00e466ff3489b2ca5cc75b1cccd14c123 Author: Sam Ravnborg <sam@ravnborg.org> Date: Sat May 5 10:18:41 2012 +0200 kbuild: link of vmlinux moved to a script But we should be deriving the location of libgcc in the same way as all the other archs, so fix by adding a LIBGCC variable which is evaluated in the makefile Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-06-05 13:54:09 +09:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
arch: Select fbdev helpers with CONFIG_VIDEO Various Kconfig options selected the per-architecture helpers for fbdev. But none of the contained code depends on fbdev. Standardize on CONFIG_VIDEO, which will allow to add more general helpers for video functionality. CONFIG_VIDEO protects each architecture's video/ directory. This allows for the use of more fine-grained control for each directory's files, such as the use of CONFIG_STI_CORE on parisc. v2: - sparc: rebased onto Makefile changes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-03-29 21:32:10 +01:00
arch/parisc: Implement fb_is_primary_device() under arch/parisc Move PARISC's implementation of fb_is_primary_device() into the architecture directory. This the place of the declaration and where other architectures implement this function. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Helge Deller <deller@gmx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230417125651.25126-14-tzimmermann@suse.de
2023-04-17 14:56:45 +02:00
parisc: Wire up support for self-extracting kernel Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-20 10:52:22 +02:00
parisc: quiet palo not-found message from "which" Reduces moaning when building on a machine without palo installed. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2008-12-08 09:43:08 +00:00
[PARISC] Restore palo target Turns out, people were still using it, and it accidently works. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 15:09:59 -07:00
kbuild: remove src and obj from the top Makefile Replace $(src) and $(obj) with $(srctree) and $(objtree), respectively. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-07-06 12:07:11 +09:00
[PARISC] Make palo target work when $obj != $src Stumbled upon when I was testing it out and using make O=... to build. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-20 09:31:33 -07:00
parisc: make "make install" not depend on vmlinux Install targets (install, zinstall, uinstall) on parisc have a dependency to vmlinux. This may cause parts of the kernel to be rebuilt during installation. We must avoid this since this may run as root. Install targets "ABSOLUTELY MUST NOT MODIFY THE SOURCE TREE." as Linus emphasized this in: http://lkml.org/lkml/2013/7/10/600 So on parisc and maybe other archs we need the same as for x86: 1648e4f8 x86, kbuild: make "make install" not depend on vmlinux This parisc patch was inspired by: 19514fc6 arm, kbuild: make "make install" not depend on vmlinux Signed-off-by: Helge Deller <deller@gmx.de>
2013-10-18 21:18:46 +02:00
[PARISC] Make palo target work when $obj != $src Stumbled upon when I was testing it out and using make O=... to build. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-20 09:31:33 -07:00
[PARISC] Restore palo target Turns out, people were still using it, and it accidently works. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 15:09:59 -07:00
[PARISC] Make palo target work when $obj != $src Stumbled upon when I was testing it out and using make O=... to build. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-20 09:31:33 -07:00
kbuild: remove src and obj from the top Makefile Replace $(src) and $(obj) with $(srctree) and $(objtree), respectively. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-07-06 12:07:11 +09:00
[PARISC] Restore palo target Turns out, people were still using it, and it accidently works. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 15:09:59 -07:00
[PARISC] Make palo target work when $obj != $src Stumbled upon when I was testing it out and using make O=... to build. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-20 09:31:33 -07:00
[PARISC] Restore palo target Turns out, people were still using it, and it accidently works. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 15:09:59 -07:00
parisc: make "make install" not depend on vmlinux Install targets (install, zinstall, uinstall) on parisc have a dependency to vmlinux. This may cause parts of the kernel to be rebuilt during installation. We must avoid this since this may run as root. Install targets "ABSOLUTELY MUST NOT MODIFY THE SOURCE TREE." as Linus emphasized this in: http://lkml.org/lkml/2013/7/10/600 So on parisc and maybe other archs we need the same as for x86: 1648e4f8 x86, kbuild: make "make install" not depend on vmlinux This parisc patch was inspired by: 19514fc6 arm, kbuild: make "make install" not depend on vmlinux Signed-off-by: Helge Deller <deller@gmx.de>
2013-10-18 21:18:46 +02:00
parisc: Make bzImage default build target Debian uses "make all" to build the Linux kernel, thus to be able to use the self-decompressing kernel as default debian kernel we need to make bzImage the default build target. Signed-off-by: Helge Deller <deller@gmx.de>
2018-04-18 07:49:19 +02:00
parisc: Wire up support for self-extracting kernel Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-20 10:52:22 +02:00
parisc: switch to gzip-compressed vmlinuz kernel The latest PA-RISC Boot Loader (palo) allows loading of gzip compressed vmlinuz kernels. So let's now switch to build a vmlinuz file when we build a palo boot image. PALO version 1.9 (or higher) is required for this which is available at git://git.kernel.org/pub/scm/linux/kernel/git/deller/palo.git Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # 3.10
2013-06-29 13:31:24 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: Wire up support for self-extracting kernel Signed-off-by: Helge Deller <deller@gmx.de>
2017-08-20 10:52:22 +02:00
parisc: switch to gzip-compressed vmlinuz kernel The latest PA-RISC Boot Loader (palo) allows loading of gzip compressed vmlinuz kernels. So let's now switch to build a vmlinuz file when we build a palo boot image. PALO version 1.9 (or higher) is required for this which is available at git://git.kernel.org/pub/scm/linux/kernel/git/deller/palo.git Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # 3.10
2013-06-29 13:31:24 +02:00
parisc: Add vDSO support Add minimal vDSO support, which provides the signal trampoline helpers, but none of the userspace syscall helpers like time wrappers. The big benefit of this vDSO implementation is, that we now don't need an executeable stack any longer. PA-RISC is one of the last architectures where an executeable stack was needed in oder to implement the signal trampolines by putting assembly instructions on the stack which then gets executed. Instead the kernel will provide the relevant code in the vDSO page and only put the pointers to the signal information on the stack. By dropping the need for executable stacks we avoid running into issues with applications which want non executable stacks for security reasons. Additionally, alternative stacks on memory areas without exec permissions are supported too. This code is based on an initial implementation by Randolph Chung from 2006: https://lore.kernel.org/linux-parisc/4544A34A.6080700@tausq.org/ I did the porting and lifted the code to current code base. Dave fixed the unwind code so that gdb and glibc are able to backtrace through the code. An additional patch to gdb will be pushed upstream by Dave. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Dave Anglin <dave.anglin@bell.net> Cc: Randolph Chung <randolph@tausq.org> Signed-off-by: Helge Deller <deller@gmx.de>
2021-12-08 11:06:52 +01:00
kbuild: unify vdso_install rules Currently, there is no standard implementation for vdso_install, leading to various issues: 1. Code duplication Many architectures duplicate similar code just for copying files to the install destination. Some architectures (arm, sparc, x86) create build-id symlinks, introducing more code duplication. 2. Unintended updates of in-tree build artifacts The vdso_install rule depends on the vdso files to install. It may update in-tree build artifacts. This can be problematic, as explained in commit 19514fc665ff ("arm, kbuild: make "make install" not depend on vmlinux"). 3. Broken code in some architectures Makefile code is often copied from one architecture to another without proper adaptation. 'make vdso_install' for parisc does not work. 'make vdso_install' for s390 installs vdso64, but not vdso32. To address these problems, this commit introduces a generic vdso_install rule. Architectures that support vdso_install need to define vdso-install-y in arch/*/Makefile. vdso-install-y lists the files to install. For example, arch/x86/Makefile looks like this: vdso-install-$(CONFIG_X86_64) += arch/x86/entry/vdso/vdso64.so.dbg vdso-install-$(CONFIG_X86_X32_ABI) += arch/x86/entry/vdso/vdsox32.so.dbg vdso-install-$(CONFIG_X86_32) += arch/x86/entry/vdso/vdso32.so.dbg vdso-install-$(CONFIG_IA32_EMULATION) += arch/x86/entry/vdso/vdso32.so.dbg These files will be installed to $(MODLIB)/vdso/ with the .dbg suffix, if exists, stripped away. vdso-install-y can optionally take the second field after the colon separator. This is needed because some architectures install a vdso file as a different base name. The following is a snippet from arch/arm64/Makefile. vdso-install-$(CONFIG_COMPAT_VDSO) += arch/arm64/kernel/vdso32/vdso.so.dbg:vdso32.so This will rename vdso.so.dbg to vdso32.so during installation. If such architectures change their implementation so that the base names match, this workaround will go away. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Sven Schnelle <svens@linux.ibm.com> # s390 Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> Reviewed-by: Guo Ren <guoren@kernel.org> Acked-by: Helge Deller <deller@gmx.de> # parisc Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2023-10-14 19:54:35 +09:00
kbuild: factor out the common installation code into scripts/install.sh Many architectures have similar install.sh scripts. The first half is really generic; it verifies that the kernel image and System.map exist, then executes ~/bin/${INSTALLKERNEL} or /sbin/${INSTALLKERNEL} if available. The second half is kind of arch-specific; it copies the kernel image and System.map to the destination, but the code is slightly different. Factor out the generic part into scripts/install.sh. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <n.schier@avm.de>
2022-05-03 11:47:16 +09:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support Delete obsoleted parts form arch makefiles and rename to asm-offsets.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-09-09 20:57:26 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: switch to gzip-compressed vmlinuz kernel The latest PA-RISC Boot Loader (palo) allows loading of gzip compressed vmlinuz kernels. So let's now switch to build a vmlinuz file when we build a palo boot image. PALO version 1.9 (or higher) is required for this which is available at git://git.kernel.org/pub/scm/linux/kernel/git/deller/palo.git Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # 3.10
2013-06-29 13:31:24 +02:00
[PARISC] Restore palo target Turns out, people were still using it, and it accidently works. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-10-18 15:09:59 -07:00
parisc: make "make install" not depend on vmlinux Install targets (install, zinstall, uinstall) on parisc have a dependency to vmlinux. This may cause parts of the kernel to be rebuilt during installation. We must avoid this since this may run as root. Install targets "ABSOLUTELY MUST NOT MODIFY THE SOURCE TREE." as Linus emphasized this in: http://lkml.org/lkml/2013/7/10/600 So on parisc and maybe other archs we need the same as for x86: 1648e4f8 x86, kbuild: make "make install" not depend on vmlinux This parisc patch was inspired by: 19514fc6 arm, kbuild: make "make install" not depend on vmlinux Signed-off-by: Helge Deller <deller@gmx.de>
2013-10-18 21:18:46 +02:00
kbuild: use INSTALLKERNEL to select customized installkernel script Replace the use of CROSS_COMPILE to select a customized installkernel script with the possibility to set INSTALLKERNEL to select a custom installkernel script when running make: make INSTALLKERNEL=arm-installkernel install With this patch we are now more consistent across different architectures - they did not all support use of CROSS_COMPILE. The use of CROSS_COMPILE was a hack as this really belongs to gcc/binutils and the installkernel script does not change just because we change toolchain. The use of CROSS_COMPILE caused troubles with an upcoming patch that saves CROSS_COMPILE when a kernel is built - it would no longer be installable. [Thanks to Peter Z. for this hint] This patch undos what Ian did in commit: 0f8e2d62fa04441cd12c08ce521e84e5bd3f8a46 ("use ${CROSS_COMPILE}installkernel in arch/*/boot/install.sh") The patch has been lightly tested on x86 only - but all changes looks obvious. Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Mike Frysinger <vapier@gentoo.org> [blackfin] Acked-by: Russell King <linux@arm.linux.org.uk> [arm] Acked-by: Paul Mundt <lethal@linux-sh.org> [sh] Acked-by: "H. Peter Anvin" <hpa@zytor.com> [x86] Cc: Ian Campbell <icampbell@arcom.com> Cc: Tony Luck <tony.luck@intel.com> [ia64] Cc: Fenghua Yu <fenghua.yu@intel.com> [ia64] Cc: Hirokazu Takata <takata@linux-m32r.org> [m32r] Cc: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Cc: Kyle McMartin <kyle@mcmartin.ca> [parisc] Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> [powerpc] Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390] Cc: Thomas Gleixner <tglx@linutronix.de> [x86] Cc: Ingo Molnar <mingo@redhat.com> [x86] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-07-20 21:37:11 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: make "make install" not depend on vmlinux Install targets (install, zinstall, uinstall) on parisc have a dependency to vmlinux. This may cause parts of the kernel to be rebuilt during installation. We must avoid this since this may run as root. Install targets "ABSOLUTELY MUST NOT MODIFY THE SOURCE TREE." as Linus emphasized this in: http://lkml.org/lkml/2013/7/10/600 So on parisc and maybe other archs we need the same as for x86: 1648e4f8 x86, kbuild: make "make install" not depend on vmlinux This parisc patch was inspired by: 19514fc6 arm, kbuild: make "make install" not depend on vmlinux Signed-off-by: Helge Deller <deller@gmx.de>
2013-10-18 21:18:46 +02:00
Linux-2.6.12-rc2 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!
2005-04-16 15:20:36 -07:00
parisc: generate uapi header and system call table files System call table generation script must be run to gener- ate unistd_32/64.h and syscall_table_32/64/c32.h files. This patch will have changes which will invokes the script. This patch will generate unistd_32/64.h and syscall_table- _32/64/c32.h files by the syscall table generation script invoked by parisc/Makefile and the generated files against the removed files must be identical. The generated uapi header file will be included in uapi/- asm/unistd.h and generated system call table header file will be included by kernel/syscall.S file. Signed-off-by: Firoz Khan <firoz.khan@linaro.org> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Helge Deller <deller@gmx.de>
2018-11-19 12:04:36 +05:30