From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001 From: Zheng Da Date: Sun, 6 Dec 2009 05:26:23 +0100 Subject: check in the original version of dde linux26. --- libdde_linux26/lib/src/arch/x86/.svn/all-wcprops | 5 + libdde_linux26/lib/src/arch/x86/.svn/entries | 31 +++++ libdde_linux26/lib/src/arch/x86/.svn/format | 1 + .../lib/src/arch/x86/lib/.svn/all-wcprops | 11 ++ libdde_linux26/lib/src/arch/x86/lib/.svn/entries | 62 +++++++++ libdde_linux26/lib/src/arch/x86/lib/.svn/format | 1 + .../x86/lib/.svn/text-base/semaphore_32.S.svn-base | 138 +++++++++++++++++++++ libdde_linux26/lib/src/arch/x86/lib/semaphore_32.S | 138 +++++++++++++++++++++ 8 files changed, 387 insertions(+) create mode 100644 libdde_linux26/lib/src/arch/x86/.svn/all-wcprops create mode 100644 libdde_linux26/lib/src/arch/x86/.svn/entries create mode 100644 libdde_linux26/lib/src/arch/x86/.svn/format create mode 100644 libdde_linux26/lib/src/arch/x86/lib/.svn/all-wcprops create mode 100644 libdde_linux26/lib/src/arch/x86/lib/.svn/entries create mode 100644 libdde_linux26/lib/src/arch/x86/lib/.svn/format create mode 100644 libdde_linux26/lib/src/arch/x86/lib/.svn/text-base/semaphore_32.S.svn-base create mode 100644 libdde_linux26/lib/src/arch/x86/lib/semaphore_32.S (limited to 'libdde_linux26/lib/src/arch/x86') diff --git a/libdde_linux26/lib/src/arch/x86/.svn/all-wcprops b/libdde_linux26/lib/src/arch/x86/.svn/all-wcprops new file mode 100644 index 00000000..2db9a887 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/.svn/all-wcprops @@ -0,0 +1,5 @@ +K 25 +svn:wc:ra_dav:version-url +V 67 +/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/x86 +END diff --git a/libdde_linux26/lib/src/arch/x86/.svn/entries b/libdde_linux26/lib/src/arch/x86/.svn/entries new file mode 100644 index 00000000..cdbe1e1d --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/.svn/entries @@ -0,0 +1,31 @@ +9 + +dir +465 +http://svn.tudos.org/repos/tudos/trunk/l4/pkg/dde/linux26/lib/src/arch/x86 +http://svn.tudos.org/repos/tudos + + + +2009-05-20T14:32:55.606606Z +455 +l4check + + +svn:special svn:externals svn:needs-lock + + + + + + + + + + + +a704ac0b-3a55-4d43-a2a9-7be6f07c34fb + +lib +dir + diff --git a/libdde_linux26/lib/src/arch/x86/.svn/format b/libdde_linux26/lib/src/arch/x86/.svn/format new file mode 100644 index 00000000..ec635144 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/.svn/format @@ -0,0 +1 @@ +9 diff --git a/libdde_linux26/lib/src/arch/x86/lib/.svn/all-wcprops b/libdde_linux26/lib/src/arch/x86/lib/.svn/all-wcprops new file mode 100644 index 00000000..61d9e4b5 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/lib/.svn/all-wcprops @@ -0,0 +1,11 @@ +K 25 +svn:wc:ra_dav:version-url +V 71 +/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/x86/lib +END +semaphore_32.S +K 25 +svn:wc:ra_dav:version-url +V 86 +/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/x86/lib/semaphore_32.S +END diff --git a/libdde_linux26/lib/src/arch/x86/lib/.svn/entries b/libdde_linux26/lib/src/arch/x86/lib/.svn/entries new file mode 100644 index 00000000..ee8219b2 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/lib/.svn/entries @@ -0,0 +1,62 @@ +9 + +dir +465 +http://svn.tudos.org/repos/tudos/trunk/l4/pkg/dde/linux26/lib/src/arch/x86/lib +http://svn.tudos.org/repos/tudos + + + +2009-05-20T14:32:55.606606Z +455 +l4check + + +svn:special svn:externals svn:needs-lock + + + + + + + + + + + +a704ac0b-3a55-4d43-a2a9-7be6f07c34fb + +semaphore_32.S +file + + + + +2009-11-15T17:17:12.000000Z +8781a421c002516577c2888bc85b51e9 +2009-05-20T14:32:55.606606Z +455 +l4check + + + + + + + + + + + + + + + + + + + + + +2859 + diff --git a/libdde_linux26/lib/src/arch/x86/lib/.svn/format b/libdde_linux26/lib/src/arch/x86/lib/.svn/format new file mode 100644 index 00000000..ec635144 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/lib/.svn/format @@ -0,0 +1 @@ +9 diff --git a/libdde_linux26/lib/src/arch/x86/lib/.svn/text-base/semaphore_32.S.svn-base b/libdde_linux26/lib/src/arch/x86/lib/.svn/text-base/semaphore_32.S.svn-base new file mode 100644 index 00000000..1850ca50 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/lib/.svn/text-base/semaphore_32.S.svn-base @@ -0,0 +1,138 @@ +/* + * i386 semaphore implementation. + * + * (C) Copyright 1999 Linus Torvalds + * + * Portions Copyright 1999 Red Hat, Inc. + * + * 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. + * + * rw semaphores implemented November 1999 by Benjamin LaHaise + */ + +#include +#include +#include +#include +#include + +/* + * The semaphore operations have a special calling sequence that + * allow us to do a simpler in-line version of them. These routines + * need to convert that sequence back into the C sequence when + * there is contention on the semaphore. + * + * %eax contains the semaphore pointer on entry. Save the C-clobbered + * registers (%eax, %edx and %ecx) except %eax whish is either a return + * value or just clobbered.. + */ +#ifndef DDE_LINUX + .section .sched.text, "ax" +#endif + +/* + * rw spinlock fallbacks + */ +#ifdef CONFIG_SMP +ENTRY(__write_lock_failed) + CFI_STARTPROC simple + FRAME +2: LOCK_PREFIX + addl $ RW_LOCK_BIAS,(%eax) +1: rep; nop + cmpl $ RW_LOCK_BIAS,(%eax) + jne 1b + LOCK_PREFIX + subl $ RW_LOCK_BIAS,(%eax) + jnz 2b + ENDFRAME + ret + CFI_ENDPROC + ENDPROC(__write_lock_failed) + +ENTRY(__read_lock_failed) + CFI_STARTPROC + FRAME +2: LOCK_PREFIX + incl (%eax) +1: rep; nop + cmpl $1,(%eax) + js 1b + LOCK_PREFIX + decl (%eax) + js 2b + ENDFRAME + ret + CFI_ENDPROC + ENDPROC(__read_lock_failed) + +#endif + +#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM + +/* Fix up special calling conventions */ +ENTRY(call_rwsem_down_read_failed) + CFI_STARTPROC + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + push %edx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edx,0 + call rwsem_down_read_failed + pop %edx + CFI_ADJUST_CFA_OFFSET -4 + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 + ret + CFI_ENDPROC + ENDPROC(call_rwsem_down_read_failed) + +ENTRY(call_rwsem_down_write_failed) + CFI_STARTPROC + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + calll rwsem_down_write_failed + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 + ret + CFI_ENDPROC + ENDPROC(call_rwsem_down_write_failed) + +ENTRY(call_rwsem_wake) + CFI_STARTPROC + decw %dx /* do nothing if still outstanding active readers */ + jnz 1f + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + call rwsem_wake + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 +1: ret + CFI_ENDPROC + ENDPROC(call_rwsem_wake) + +/* Fix up special calling conventions */ +ENTRY(call_rwsem_downgrade_wake) + CFI_STARTPROC + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + push %edx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edx,0 + call rwsem_downgrade_wake + pop %edx + CFI_ADJUST_CFA_OFFSET -4 + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 + ret + CFI_ENDPROC + ENDPROC(call_rwsem_downgrade_wake) + +#endif diff --git a/libdde_linux26/lib/src/arch/x86/lib/semaphore_32.S b/libdde_linux26/lib/src/arch/x86/lib/semaphore_32.S new file mode 100644 index 00000000..1850ca50 --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/lib/semaphore_32.S @@ -0,0 +1,138 @@ +/* + * i386 semaphore implementation. + * + * (C) Copyright 1999 Linus Torvalds + * + * Portions Copyright 1999 Red Hat, Inc. + * + * 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. + * + * rw semaphores implemented November 1999 by Benjamin LaHaise + */ + +#include +#include +#include +#include +#include + +/* + * The semaphore operations have a special calling sequence that + * allow us to do a simpler in-line version of them. These routines + * need to convert that sequence back into the C sequence when + * there is contention on the semaphore. + * + * %eax contains the semaphore pointer on entry. Save the C-clobbered + * registers (%eax, %edx and %ecx) except %eax whish is either a return + * value or just clobbered.. + */ +#ifndef DDE_LINUX + .section .sched.text, "ax" +#endif + +/* + * rw spinlock fallbacks + */ +#ifdef CONFIG_SMP +ENTRY(__write_lock_failed) + CFI_STARTPROC simple + FRAME +2: LOCK_PREFIX + addl $ RW_LOCK_BIAS,(%eax) +1: rep; nop + cmpl $ RW_LOCK_BIAS,(%eax) + jne 1b + LOCK_PREFIX + subl $ RW_LOCK_BIAS,(%eax) + jnz 2b + ENDFRAME + ret + CFI_ENDPROC + ENDPROC(__write_lock_failed) + +ENTRY(__read_lock_failed) + CFI_STARTPROC + FRAME +2: LOCK_PREFIX + incl (%eax) +1: rep; nop + cmpl $1,(%eax) + js 1b + LOCK_PREFIX + decl (%eax) + js 2b + ENDFRAME + ret + CFI_ENDPROC + ENDPROC(__read_lock_failed) + +#endif + +#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM + +/* Fix up special calling conventions */ +ENTRY(call_rwsem_down_read_failed) + CFI_STARTPROC + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + push %edx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edx,0 + call rwsem_down_read_failed + pop %edx + CFI_ADJUST_CFA_OFFSET -4 + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 + ret + CFI_ENDPROC + ENDPROC(call_rwsem_down_read_failed) + +ENTRY(call_rwsem_down_write_failed) + CFI_STARTPROC + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + calll rwsem_down_write_failed + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 + ret + CFI_ENDPROC + ENDPROC(call_rwsem_down_write_failed) + +ENTRY(call_rwsem_wake) + CFI_STARTPROC + decw %dx /* do nothing if still outstanding active readers */ + jnz 1f + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + call rwsem_wake + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 +1: ret + CFI_ENDPROC + ENDPROC(call_rwsem_wake) + +/* Fix up special calling conventions */ +ENTRY(call_rwsem_downgrade_wake) + CFI_STARTPROC + push %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx,0 + push %edx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edx,0 + call rwsem_downgrade_wake + pop %edx + CFI_ADJUST_CFA_OFFSET -4 + pop %ecx + CFI_ADJUST_CFA_OFFSET -4 + ret + CFI_ENDPROC + ENDPROC(call_rwsem_downgrade_wake) + +#endif -- cgit v1.2.3