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OpenCloudOS-Kernel/arch/parisc/kernel/asm-offsets.c

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-27 14:55:05 +08:00
// SPDX-License-Identifier: GPL-2.0-or-later
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!
2005-04-17 06:20:36 +08:00
/*
* Generate definitions needed by assembly language modules.
* This code generates raw asm output which is post-processed to extract
* and format the required data.
*
* Copyright (C) 2000-2001 John Marvin <jsm at parisc-linux.org>
* Copyright (C) 2000 David Huggins-Daines <dhd with pobox.org>
* Copyright (C) 2000 Sam Creasey <sammy@sammy.net>
* Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org>
* Copyright (C) 2001 Paul Bame <bame at parisc-linux.org>
* Copyright (C) 2001 Richard Hirst <rhirst at parisc-linux.org>
* Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
* Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org>
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/thread_info.h>
#include <linux/ptrace.h>
#include <linux/hardirq.h>
parisc: use kbuild.h instead of defining macros in asm-offsets.c Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 16:04:08 +08:00
#include <linux/kbuild.h>
mm: introduce include/linux/pgtable.h The include/linux/pgtable.h is going to be the home of generic page table manipulation functions. Start with moving asm-generic/pgtable.h to include/linux/pgtable.h and make the latter include asm/pgtable.h. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-3-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-09 12:32:38 +08:00
#include <linux/pgtable.h>
mm: reorder includes after introduction of linux/pgtable.h The replacement of <asm/pgrable.h> with <linux/pgtable.h> made the include of the latter in the middle of asm includes. Fix this up with the aid of the below script and manual adjustments here and there. import sys import re if len(sys.argv) is not 3: print "USAGE: %s <file> <header>" % (sys.argv[0]) sys.exit(1) hdr_to_move="#include <linux/%s>" % sys.argv[2] moved = False in_hdrs = False with open(sys.argv[1], "r") as f: lines = f.readlines() for _line in lines: line = _line.rstrip(' ') if line == hdr_to_move: continue if line.startswith("#include <linux/"): in_hdrs = True elif not moved and in_hdrs: moved = True print hdr_to_move print line Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-4-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-09 12:32:42 +08:00
parisc: Use FRAME_SIZE and FRAME_ALIGN from assembly.h Signed-off-by: Helge Deller <deller@gmx.de>
2021-10-05 05:46:23 +08:00
#include <asm/assembly.h>
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!
2005-04-17 06:20:36 +08:00
#include <asm/ptrace.h>
#include <asm/processor.h>
#include <asm/pdc.h>
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 18:06:52 +08:00
#include <uapi/asm/sigcontext.h>
#include <asm/ucontext.h>
#include <asm/rt_sigframe.h>
Replace <asm/uaccess.h> with <linux/uaccess.h> globally This was entirely automated, using the script by Al: PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>' sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \ $(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h) to do the replacement at the end of the merge window. Requested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-25 03:46:01 +08:00
#include <linux/uaccess.h>
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 18:06:52 +08:00
#include "signal32.h"
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!
2005-04-17 06:20:36 +08:00
parisc: Use of align_frame provides stack frame. Any assembly constant generated with the use of align_frame includes size for a full stack frame. Signed-off-by: Carlos O'Donell <carlos@systemhalted.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2010-04-01 04:42:33 +08:00
/* Add FRAME_SIZE to the size x and align it to y. All definitions
* that use align_frame will include space for a frame.
*/
#define align_frame(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y)))
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!
2005-04-17 06:20:36 +08:00
int main(void)
{
parisc: Move thread_info into task struct This implements the CONFIG_THREAD_INFO_IN_TASK option. With this change: - before thread_info was part of the stack and located at the beginning of the stack - now the thread_info struct is moved and located inside the task_struct structure - the stack is allocated and handled like the major other platforms - drop the cpu field of thread_info and use instead the one in task_struct Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sven Schnelle <svens@stackframe.org>
2021-10-15 16:41:03 +08:00
DEFINE(TASK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags));
parisc: Enable TOC (transfer of contents) feature unconditionally Before this patch, the TOC code used a pre-allocated stack of 16kb for each possible CPU. That space overhead was the reason why the TOC feature wasn't enabled by default for 32-bit kernels. This patch rewrites the TOC code to use a per-cpu stack. That way we use much less memory now and as such we enable the TOC feature by default on all kernels. Additionally the dump of the registers and the stacktrace wasn't serialized, which led to multiple CPUs printing the stack backtrace at once which rendered the output unreadable. Now the backtraces are nicely serialized by a lock. Signed-off-by: Helge Deller <deller@gmx.de>
2022-01-07 21:05:11 +08:00
#ifdef CONFIG_SMP
DEFINE(TASK_TI_CPU, offsetof(struct task_struct, thread_info.cpu));
#endif
parisc: Move thread_info into task struct This implements the CONFIG_THREAD_INFO_IN_TASK option. With this change: - before thread_info was part of the stack and located at the beginning of the stack - now the thread_info struct is moved and located inside the task_struct structure - the stack is allocated and handled like the major other platforms - drop the cpu field of thread_info and use instead the one in task_struct Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sven Schnelle <svens@stackframe.org>
2021-10-15 16:41:03 +08:00
DEFINE(TASK_STACK, offsetof(struct task_struct, stack));
parisc: Rewrite light-weight syscall and futex code The parisc architecture lacks general hardware support for compare and swap. Particularly for userspace, it is difficult to implement software atomic support. Page faults in critical regions can cause processes to sleep and block the forward progress of other processes. Thus, it is essential that page faults be disabled in critical regions. For performance reasons, we also need to disable external interrupts in critical regions. In order to do this, we need a mechanism to trigger COW breaks outside the critical region. Fortunately, parisc has the "stbys,e" instruction. When the leftmost byte of a word is addressed, this instruction triggers all the exceptions of a normal store but it does not write to memory. Thus, we can use it to trigger COW breaks outside the critical region without modifying the data that is to be updated atomically. COW breaks occur randomly. So even if we have priviously executed a "stbys,e" instruction, we still need to disable pagefaults around the critical region. If a fault occurs in the critical region, we return -EAGAIN. I had to add a wrapper around _arch_futex_atomic_op_inuser() as I found in testing that returning -EAGAIN caused problems for some processes even though it is listed as a possible return value. The patch implements the above. The code no longer attempts to sleep with interrupts disabled and I haven't seen any stalls with the change. I have attempted to merge common code and streamline the fast path. In the futex code, we only compute the spinlock address once. I eliminated some debug code in the original CAS routine that just made the flow more complicated. I don't clip the arguments when called from wide mode. As a result, the LWS routines should work when called from 64-bit processes. I defined TASK_PAGEFAULT_DISABLED offset for use in the lws_pagefault_disable and lws_pagefault_enable macros. Since we now disable interrupts on the gateway page where necessary, it might be possible to allow processes to be scheduled when they are on the gateway page. Change has been tested on c8000 and rp3440. It improves glibc build and test time by about 10%. In v2, I removed the lws_atomic_xchg and and lws_atomic_store calls. I also removed the bug fixes that were not directly related to this patch. In v3, I removed the code to force interruptions from arch_futex_atomic_op_inuser(). It is always called with page faults disabled, so this code had no effect. In v4, I fixed a typo in depi_safe line. In v5, I moved the code to disable/enable page faults inside the spinlocks. Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de>
2022-01-05 05:44:32 +08:00
DEFINE(TASK_PAGEFAULT_DISABLED, offsetof(struct task_struct, pagefault_disabled));
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!
2005-04-17 06:20:36 +08:00
BLANK();
DEFINE(TASK_REGS, offsetof(struct task_struct, thread.regs));
DEFINE(TASK_PT_PSW, offsetof(struct task_struct, thread.regs.gr[ 0]));
DEFINE(TASK_PT_GR1, offsetof(struct task_struct, thread.regs.gr[ 1]));
DEFINE(TASK_PT_GR2, offsetof(struct task_struct, thread.regs.gr[ 2]));
DEFINE(TASK_PT_GR3, offsetof(struct task_struct, thread.regs.gr[ 3]));
DEFINE(TASK_PT_GR4, offsetof(struct task_struct, thread.regs.gr[ 4]));
DEFINE(TASK_PT_GR5, offsetof(struct task_struct, thread.regs.gr[ 5]));
DEFINE(TASK_PT_GR6, offsetof(struct task_struct, thread.regs.gr[ 6]));
DEFINE(TASK_PT_GR7, offsetof(struct task_struct, thread.regs.gr[ 7]));
DEFINE(TASK_PT_GR8, offsetof(struct task_struct, thread.regs.gr[ 8]));
DEFINE(TASK_PT_GR9, offsetof(struct task_struct, thread.regs.gr[ 9]));
DEFINE(TASK_PT_GR10, offsetof(struct task_struct, thread.regs.gr[10]));
DEFINE(TASK_PT_GR11, offsetof(struct task_struct, thread.regs.gr[11]));
DEFINE(TASK_PT_GR12, offsetof(struct task_struct, thread.regs.gr[12]));
DEFINE(TASK_PT_GR13, offsetof(struct task_struct, thread.regs.gr[13]));
DEFINE(TASK_PT_GR14, offsetof(struct task_struct, thread.regs.gr[14]));
DEFINE(TASK_PT_GR15, offsetof(struct task_struct, thread.regs.gr[15]));
DEFINE(TASK_PT_GR16, offsetof(struct task_struct, thread.regs.gr[16]));
DEFINE(TASK_PT_GR17, offsetof(struct task_struct, thread.regs.gr[17]));
DEFINE(TASK_PT_GR18, offsetof(struct task_struct, thread.regs.gr[18]));
DEFINE(TASK_PT_GR19, offsetof(struct task_struct, thread.regs.gr[19]));
DEFINE(TASK_PT_GR20, offsetof(struct task_struct, thread.regs.gr[20]));
DEFINE(TASK_PT_GR21, offsetof(struct task_struct, thread.regs.gr[21]));
DEFINE(TASK_PT_GR22, offsetof(struct task_struct, thread.regs.gr[22]));
DEFINE(TASK_PT_GR23, offsetof(struct task_struct, thread.regs.gr[23]));
DEFINE(TASK_PT_GR24, offsetof(struct task_struct, thread.regs.gr[24]));
DEFINE(TASK_PT_GR25, offsetof(struct task_struct, thread.regs.gr[25]));
DEFINE(TASK_PT_GR26, offsetof(struct task_struct, thread.regs.gr[26]));
DEFINE(TASK_PT_GR27, offsetof(struct task_struct, thread.regs.gr[27]));
DEFINE(TASK_PT_GR28, offsetof(struct task_struct, thread.regs.gr[28]));
DEFINE(TASK_PT_GR29, offsetof(struct task_struct, thread.regs.gr[29]));
DEFINE(TASK_PT_GR30, offsetof(struct task_struct, thread.regs.gr[30]));
DEFINE(TASK_PT_GR31, offsetof(struct task_struct, thread.regs.gr[31]));
DEFINE(TASK_PT_FR0, offsetof(struct task_struct, thread.regs.fr[ 0]));
DEFINE(TASK_PT_FR1, offsetof(struct task_struct, thread.regs.fr[ 1]));
DEFINE(TASK_PT_FR2, offsetof(struct task_struct, thread.regs.fr[ 2]));
DEFINE(TASK_PT_FR3, offsetof(struct task_struct, thread.regs.fr[ 3]));
DEFINE(TASK_PT_FR4, offsetof(struct task_struct, thread.regs.fr[ 4]));
DEFINE(TASK_PT_FR5, offsetof(struct task_struct, thread.regs.fr[ 5]));
DEFINE(TASK_PT_FR6, offsetof(struct task_struct, thread.regs.fr[ 6]));
DEFINE(TASK_PT_FR7, offsetof(struct task_struct, thread.regs.fr[ 7]));
DEFINE(TASK_PT_FR8, offsetof(struct task_struct, thread.regs.fr[ 8]));
DEFINE(TASK_PT_FR9, offsetof(struct task_struct, thread.regs.fr[ 9]));
DEFINE(TASK_PT_FR10, offsetof(struct task_struct, thread.regs.fr[10]));
DEFINE(TASK_PT_FR11, offsetof(struct task_struct, thread.regs.fr[11]));
DEFINE(TASK_PT_FR12, offsetof(struct task_struct, thread.regs.fr[12]));
DEFINE(TASK_PT_FR13, offsetof(struct task_struct, thread.regs.fr[13]));
DEFINE(TASK_PT_FR14, offsetof(struct task_struct, thread.regs.fr[14]));
DEFINE(TASK_PT_FR15, offsetof(struct task_struct, thread.regs.fr[15]));
DEFINE(TASK_PT_FR16, offsetof(struct task_struct, thread.regs.fr[16]));
DEFINE(TASK_PT_FR17, offsetof(struct task_struct, thread.regs.fr[17]));
DEFINE(TASK_PT_FR18, offsetof(struct task_struct, thread.regs.fr[18]));
DEFINE(TASK_PT_FR19, offsetof(struct task_struct, thread.regs.fr[19]));
DEFINE(TASK_PT_FR20, offsetof(struct task_struct, thread.regs.fr[20]));
DEFINE(TASK_PT_FR21, offsetof(struct task_struct, thread.regs.fr[21]));
DEFINE(TASK_PT_FR22, offsetof(struct task_struct, thread.regs.fr[22]));
DEFINE(TASK_PT_FR23, offsetof(struct task_struct, thread.regs.fr[23]));
DEFINE(TASK_PT_FR24, offsetof(struct task_struct, thread.regs.fr[24]));
DEFINE(TASK_PT_FR25, offsetof(struct task_struct, thread.regs.fr[25]));
DEFINE(TASK_PT_FR26, offsetof(struct task_struct, thread.regs.fr[26]));
DEFINE(TASK_PT_FR27, offsetof(struct task_struct, thread.regs.fr[27]));
DEFINE(TASK_PT_FR28, offsetof(struct task_struct, thread.regs.fr[28]));
DEFINE(TASK_PT_FR29, offsetof(struct task_struct, thread.regs.fr[29]));
DEFINE(TASK_PT_FR30, offsetof(struct task_struct, thread.regs.fr[30]));
DEFINE(TASK_PT_FR31, offsetof(struct task_struct, thread.regs.fr[31]));
DEFINE(TASK_PT_SR0, offsetof(struct task_struct, thread.regs.sr[ 0]));
DEFINE(TASK_PT_SR1, offsetof(struct task_struct, thread.regs.sr[ 1]));
DEFINE(TASK_PT_SR2, offsetof(struct task_struct, thread.regs.sr[ 2]));
DEFINE(TASK_PT_SR3, offsetof(struct task_struct, thread.regs.sr[ 3]));
DEFINE(TASK_PT_SR4, offsetof(struct task_struct, thread.regs.sr[ 4]));
DEFINE(TASK_PT_SR5, offsetof(struct task_struct, thread.regs.sr[ 5]));
DEFINE(TASK_PT_SR6, offsetof(struct task_struct, thread.regs.sr[ 6]));
DEFINE(TASK_PT_SR7, offsetof(struct task_struct, thread.regs.sr[ 7]));
DEFINE(TASK_PT_IASQ0, offsetof(struct task_struct, thread.regs.iasq[0]));
DEFINE(TASK_PT_IASQ1, offsetof(struct task_struct, thread.regs.iasq[1]));
DEFINE(TASK_PT_IAOQ0, offsetof(struct task_struct, thread.regs.iaoq[0]));
DEFINE(TASK_PT_IAOQ1, offsetof(struct task_struct, thread.regs.iaoq[1]));
DEFINE(TASK_PT_CR27, offsetof(struct task_struct, thread.regs.cr27));
DEFINE(TASK_PT_ORIG_R28, offsetof(struct task_struct, thread.regs.orig_r28));
DEFINE(TASK_PT_KSP, offsetof(struct task_struct, thread.regs.ksp));
DEFINE(TASK_PT_KPC, offsetof(struct task_struct, thread.regs.kpc));
DEFINE(TASK_PT_SAR, offsetof(struct task_struct, thread.regs.sar));
DEFINE(TASK_PT_IIR, offsetof(struct task_struct, thread.regs.iir));
DEFINE(TASK_PT_ISR, offsetof(struct task_struct, thread.regs.isr));
DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior));
BLANK();
DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0]));
DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1]));
DEFINE(PT_GR2, offsetof(struct pt_regs, gr[ 2]));
DEFINE(PT_GR3, offsetof(struct pt_regs, gr[ 3]));
DEFINE(PT_GR4, offsetof(struct pt_regs, gr[ 4]));
DEFINE(PT_GR5, offsetof(struct pt_regs, gr[ 5]));
DEFINE(PT_GR6, offsetof(struct pt_regs, gr[ 6]));
DEFINE(PT_GR7, offsetof(struct pt_regs, gr[ 7]));
DEFINE(PT_GR8, offsetof(struct pt_regs, gr[ 8]));
DEFINE(PT_GR9, offsetof(struct pt_regs, gr[ 9]));
DEFINE(PT_GR10, offsetof(struct pt_regs, gr[10]));
DEFINE(PT_GR11, offsetof(struct pt_regs, gr[11]));
DEFINE(PT_GR12, offsetof(struct pt_regs, gr[12]));
DEFINE(PT_GR13, offsetof(struct pt_regs, gr[13]));
DEFINE(PT_GR14, offsetof(struct pt_regs, gr[14]));
DEFINE(PT_GR15, offsetof(struct pt_regs, gr[15]));
DEFINE(PT_GR16, offsetof(struct pt_regs, gr[16]));
DEFINE(PT_GR17, offsetof(struct pt_regs, gr[17]));
DEFINE(PT_GR18, offsetof(struct pt_regs, gr[18]));
DEFINE(PT_GR19, offsetof(struct pt_regs, gr[19]));
DEFINE(PT_GR20, offsetof(struct pt_regs, gr[20]));
DEFINE(PT_GR21, offsetof(struct pt_regs, gr[21]));
DEFINE(PT_GR22, offsetof(struct pt_regs, gr[22]));
DEFINE(PT_GR23, offsetof(struct pt_regs, gr[23]));
DEFINE(PT_GR24, offsetof(struct pt_regs, gr[24]));
DEFINE(PT_GR25, offsetof(struct pt_regs, gr[25]));
DEFINE(PT_GR26, offsetof(struct pt_regs, gr[26]));
DEFINE(PT_GR27, offsetof(struct pt_regs, gr[27]));
DEFINE(PT_GR28, offsetof(struct pt_regs, gr[28]));
DEFINE(PT_GR29, offsetof(struct pt_regs, gr[29]));
DEFINE(PT_GR30, offsetof(struct pt_regs, gr[30]));
DEFINE(PT_GR31, offsetof(struct pt_regs, gr[31]));
DEFINE(PT_FR0, offsetof(struct pt_regs, fr[ 0]));
DEFINE(PT_FR1, offsetof(struct pt_regs, fr[ 1]));
DEFINE(PT_FR2, offsetof(struct pt_regs, fr[ 2]));
DEFINE(PT_FR3, offsetof(struct pt_regs, fr[ 3]));
DEFINE(PT_FR4, offsetof(struct pt_regs, fr[ 4]));
DEFINE(PT_FR5, offsetof(struct pt_regs, fr[ 5]));
DEFINE(PT_FR6, offsetof(struct pt_regs, fr[ 6]));
DEFINE(PT_FR7, offsetof(struct pt_regs, fr[ 7]));
DEFINE(PT_FR8, offsetof(struct pt_regs, fr[ 8]));
DEFINE(PT_FR9, offsetof(struct pt_regs, fr[ 9]));
DEFINE(PT_FR10, offsetof(struct pt_regs, fr[10]));
DEFINE(PT_FR11, offsetof(struct pt_regs, fr[11]));
DEFINE(PT_FR12, offsetof(struct pt_regs, fr[12]));
DEFINE(PT_FR13, offsetof(struct pt_regs, fr[13]));
DEFINE(PT_FR14, offsetof(struct pt_regs, fr[14]));
DEFINE(PT_FR15, offsetof(struct pt_regs, fr[15]));
DEFINE(PT_FR16, offsetof(struct pt_regs, fr[16]));
DEFINE(PT_FR17, offsetof(struct pt_regs, fr[17]));
DEFINE(PT_FR18, offsetof(struct pt_regs, fr[18]));
DEFINE(PT_FR19, offsetof(struct pt_regs, fr[19]));
DEFINE(PT_FR20, offsetof(struct pt_regs, fr[20]));
DEFINE(PT_FR21, offsetof(struct pt_regs, fr[21]));
DEFINE(PT_FR22, offsetof(struct pt_regs, fr[22]));
DEFINE(PT_FR23, offsetof(struct pt_regs, fr[23]));
DEFINE(PT_FR24, offsetof(struct pt_regs, fr[24]));
DEFINE(PT_FR25, offsetof(struct pt_regs, fr[25]));
DEFINE(PT_FR26, offsetof(struct pt_regs, fr[26]));
DEFINE(PT_FR27, offsetof(struct pt_regs, fr[27]));
DEFINE(PT_FR28, offsetof(struct pt_regs, fr[28]));
DEFINE(PT_FR29, offsetof(struct pt_regs, fr[29]));
DEFINE(PT_FR30, offsetof(struct pt_regs, fr[30]));
DEFINE(PT_FR31, offsetof(struct pt_regs, fr[31]));
DEFINE(PT_SR0, offsetof(struct pt_regs, sr[ 0]));
DEFINE(PT_SR1, offsetof(struct pt_regs, sr[ 1]));
DEFINE(PT_SR2, offsetof(struct pt_regs, sr[ 2]));
DEFINE(PT_SR3, offsetof(struct pt_regs, sr[ 3]));
DEFINE(PT_SR4, offsetof(struct pt_regs, sr[ 4]));
DEFINE(PT_SR5, offsetof(struct pt_regs, sr[ 5]));
DEFINE(PT_SR6, offsetof(struct pt_regs, sr[ 6]));
DEFINE(PT_SR7, offsetof(struct pt_regs, sr[ 7]));
DEFINE(PT_IASQ0, offsetof(struct pt_regs, iasq[0]));
DEFINE(PT_IASQ1, offsetof(struct pt_regs, iasq[1]));
DEFINE(PT_IAOQ0, offsetof(struct pt_regs, iaoq[0]));
DEFINE(PT_IAOQ1, offsetof(struct pt_regs, iaoq[1]));
DEFINE(PT_CR27, offsetof(struct pt_regs, cr27));
DEFINE(PT_ORIG_R28, offsetof(struct pt_regs, orig_r28));
DEFINE(PT_KSP, offsetof(struct pt_regs, ksp));
DEFINE(PT_KPC, offsetof(struct pt_regs, kpc));
DEFINE(PT_SAR, offsetof(struct pt_regs, sar));
DEFINE(PT_IIR, offsetof(struct pt_regs, iir));
DEFINE(PT_ISR, offsetof(struct pt_regs, isr));
DEFINE(PT_IOR, offsetof(struct pt_regs, ior));
parisc: Use of align_frame provides stack frame. Any assembly constant generated with the use of align_frame includes size for a full stack frame. Signed-off-by: Carlos O'Donell <carlos@systemhalted.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2010-04-01 04:42:33 +08:00
/* PT_SZ_ALGN includes space for a stack frame. */
DEFINE(PT_SZ_ALGN, align_frame(sizeof(struct pt_regs), FRAME_ALIGN));
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!
2005-04-17 06:20:36 +08:00
BLANK();
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
parisc: Move thread_info into task struct This implements the CONFIG_THREAD_INFO_IN_TASK option. With this change: - before thread_info was part of the stack and located at the beginning of the stack - now the thread_info struct is moved and located inside the task_struct structure - the stack is allocated and handled like the major other platforms - drop the cpu field of thread_info and use instead the one in task_struct Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sven Schnelle <svens@stackframe.org>
2021-10-15 16:41:03 +08:00
DEFINE(TI_PRE_COUNT, offsetof(struct task_struct, thread_info.preempt_count));
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!
2005-04-17 06:20:36 +08:00
BLANK();
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 18:06:52 +08:00
DEFINE(ASM_SIGFRAME_SIZE, PARISC_RT_SIGFRAME_SIZE);
DEFINE(SIGFRAME_CONTEXT_REGS, offsetof(struct rt_sigframe, uc.uc_mcontext) - PARISC_RT_SIGFRAME_SIZE);
parisc: Fix vDSO signal breakage on 32-bit kernel Addition of vDSO support for parisc in kernel v5.18 suddenly broke glibc signal testcases on a 32-bit kernel. The trampoline code (sigtramp.S) which is mapped into userspace includes an offset to the context data on the stack, which is used by gdb and glibc to get access to registers. In a 32-bit kernel we used by mistake the offset into the compat context (which is valid on a 64-bit kernel only) instead of the offset into the "native" 32-bit context. Reported-by: John David Anglin <dave.anglin@bell.net> Tested-by: John David Anglin <dave.anglin@bell.net> Fixes: df24e1783e6e ("parisc: Add vDSO support") CC: stable@vger.kernel.org # 5.18 Signed-off-by: Helge Deller <deller@gmx.de>
2022-07-01 15:00:41 +08:00
#ifdef CONFIG_64BIT
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 18:06:52 +08:00
DEFINE(ASM_SIGFRAME_SIZE32, PARISC_RT_SIGFRAME_SIZE32);
DEFINE(SIGFRAME_CONTEXT_REGS32, offsetof(struct compat_rt_sigframe, uc.uc_mcontext) - PARISC_RT_SIGFRAME_SIZE32);
parisc: Fix vDSO signal breakage on 32-bit kernel Addition of vDSO support for parisc in kernel v5.18 suddenly broke glibc signal testcases on a 32-bit kernel. The trampoline code (sigtramp.S) which is mapped into userspace includes an offset to the context data on the stack, which is used by gdb and glibc to get access to registers. In a 32-bit kernel we used by mistake the offset into the compat context (which is valid on a 64-bit kernel only) instead of the offset into the "native" 32-bit context. Reported-by: John David Anglin <dave.anglin@bell.net> Tested-by: John David Anglin <dave.anglin@bell.net> Fixes: df24e1783e6e ("parisc: Add vDSO support") CC: stable@vger.kernel.org # 5.18 Signed-off-by: Helge Deller <deller@gmx.de>
2022-07-01 15:00:41 +08:00
#else
DEFINE(ASM_SIGFRAME_SIZE32, PARISC_RT_SIGFRAME_SIZE);
DEFINE(SIGFRAME_CONTEXT_REGS32, offsetof(struct rt_sigframe, uc.uc_mcontext) - PARISC_RT_SIGFRAME_SIZE);
#endif
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 18:06:52 +08:00
BLANK();
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!
2005-04-17 06:20:36 +08:00
DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base));
DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride));
DEFINE(ICACHE_COUNT, offsetof(struct pdc_cache_info, ic_count));
DEFINE(ICACHE_LOOP, offsetof(struct pdc_cache_info, ic_loop));
DEFINE(DCACHE_BASE, offsetof(struct pdc_cache_info, dc_base));
DEFINE(DCACHE_STRIDE, offsetof(struct pdc_cache_info, dc_stride));
DEFINE(DCACHE_COUNT, offsetof(struct pdc_cache_info, dc_count));
DEFINE(DCACHE_LOOP, offsetof(struct pdc_cache_info, dc_loop));
DEFINE(ITLB_SID_BASE, offsetof(struct pdc_cache_info, it_sp_base));
DEFINE(ITLB_SID_STRIDE, offsetof(struct pdc_cache_info, it_sp_stride));
DEFINE(ITLB_SID_COUNT, offsetof(struct pdc_cache_info, it_sp_count));
DEFINE(ITLB_OFF_BASE, offsetof(struct pdc_cache_info, it_off_base));
DEFINE(ITLB_OFF_STRIDE, offsetof(struct pdc_cache_info, it_off_stride));
DEFINE(ITLB_OFF_COUNT, offsetof(struct pdc_cache_info, it_off_count));
DEFINE(ITLB_LOOP, offsetof(struct pdc_cache_info, it_loop));
DEFINE(DTLB_SID_BASE, offsetof(struct pdc_cache_info, dt_sp_base));
DEFINE(DTLB_SID_STRIDE, offsetof(struct pdc_cache_info, dt_sp_stride));
DEFINE(DTLB_SID_COUNT, offsetof(struct pdc_cache_info, dt_sp_count));
DEFINE(DTLB_OFF_BASE, offsetof(struct pdc_cache_info, dt_off_base));
DEFINE(DTLB_OFF_STRIDE, offsetof(struct pdc_cache_info, dt_off_stride));
DEFINE(DTLB_OFF_COUNT, offsetof(struct pdc_cache_info, dt_off_count));
DEFINE(DTLB_LOOP, offsetof(struct pdc_cache_info, dt_loop));
BLANK();
parisc: stop using task->ptrace for {single,block}step flags task->ptrace flags belong to generic code, so instead thief some TIF_ bits to use. Somewhat risky conversion of code to test TASK_FLAGS instead of TASK_PTRACE in assembly, but it looks alright in the end. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-09-28 11:03:02 +08:00
DEFINE(TIF_BLOCKSTEP_PA_BIT, 31-TIF_BLOCKSTEP);
DEFINE(TIF_SINGLESTEP_PA_BIT, 31-TIF_SINGLESTEP);
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!
2005-04-17 06:20:36 +08:00
BLANK();
DEFINE(ASM_PMD_SHIFT, PMD_SHIFT);
DEFINE(ASM_PGDIR_SHIFT, PGDIR_SHIFT);
DEFINE(ASM_BITS_PER_PGD, BITS_PER_PGD);
DEFINE(ASM_BITS_PER_PMD, BITS_PER_PMD);
DEFINE(ASM_BITS_PER_PTE, BITS_PER_PTE);
DEFINE(ASM_PMD_ENTRY, ((PAGE_OFFSET & PMD_MASK) >> PMD_SHIFT));
DEFINE(ASM_PGD_ENTRY, PAGE_OFFSET >> PGDIR_SHIFT);
DEFINE(ASM_PGD_ENTRY_SIZE, PGD_ENTRY_SIZE);
DEFINE(ASM_PMD_ENTRY_SIZE, PMD_ENTRY_SIZE);
DEFINE(ASM_PTE_ENTRY_SIZE, PTE_ENTRY_SIZE);
[PARISC] Further work for multiple page sizes More work towards supporing multiple page sizes on 64-bit. Convert some assumptions that 64bit uses 3 level page tables into testing PT_NLEVELS. Also some BUG() to BUG_ON() conversions and some cleanups to assembler. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2006-04-21 04:40:23 +08:00
DEFINE(ASM_PFN_PTE_SHIFT, PFN_PTE_SHIFT);
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!
2005-04-17 06:20:36 +08:00
DEFINE(ASM_PT_INITIAL, PT_INITIAL);
parisc: Map kernel text and data on huge pages Adjust the linker script and map_pages() to map kernel text and data on physical 1MB huge/large pages. Signed-off-by: Helge Deller <deller@gmx.de>
2015-11-22 07:07:44 +08:00
BLANK();
/* HUGEPAGE_SIZE is only used in vmlinux.lds.S to align kernel text
* and kernel data on physical huge pages */
#ifdef CONFIG_HUGETLB_PAGE
DEFINE(HUGEPAGE_SIZE, 1UL << REAL_HPAGE_SHIFT);
parisc: Prepare for Block-TLB support on 32-bit kernel Change HUGEPAGE_SIZE to become 4 MB on 32-bit kernels, which leads that kernel code and kernel data will start on 4 MB boundaries. Although a 32-bit kernel does not support huge pages, most machines have support for Block-TLBs (BTLB) which allow to configure the system to use large pages (block TLBs) to minimize the TLB contention. This is done through calls to PDC and the 32-bit kernel can then call BTLB PDC functions to tell the machine to optimize the TLBs. Signed-off-by: Helge Deller <deller@gmx.de>
2023-09-01 22:09:23 +08:00
#elif !defined(CONFIG_64BIT)
DEFINE(HUGEPAGE_SIZE, 4*1024*1024);
parisc: Map kernel text and data on huge pages Adjust the linker script and map_pages() to map kernel text and data on physical 1MB huge/large pages. Signed-off-by: Helge Deller <deller@gmx.de>
2015-11-22 07:07:44 +08:00
#else
DEFINE(HUGEPAGE_SIZE, PAGE_SIZE);
#endif
parisc: move pdc_result to real2.S
2008-07-29 10:52:18 +08:00
BLANK();
DEFINE(ASM_PDC_RESULT_SIZE, NUM_PDC_RESULT * sizeof(unsigned long));
BLANK();
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!
2005-04-17 06:20:36 +08:00
return 0;
}