WebSVN – HelenOS-historic – Path Comparison – / – /uspace/trunk/libc/arch/ Rev 1113 and /uspace/trunk/libc/arch Rev 1110

Ignore whitespace Rev 1113 → Rev 1110

/uspace/trunk/libc/arch/ia64/include/atomic.h
File deleted

 /uspace/trunk/libc/arch/ia64/include/atomic_arch.h
 ,0 → 1,57
+/*
+ * Copyright (C) 2005 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __ia64_ATOMIC_H__
+#define __ia64_ATOMIC_H__
+/** Atomic addition.
+ *
+ * @param val Atomic value.
+ * @param imm Value to add.
+ *
+ * @return Value before addition.
+ */
+static inline long atomic_add(atomic_t *val, int imm)
+{
+    long v;
+    __asm__ volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v), "+m" (val->count) : "i" (imm));
+    return v;
+}
+static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); }
+static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); }
+static inline long atomic_preinc(atomic_t *val) { return atomic_add(val, 1) + 1; }
+static inline long atomic_predec(atomic_t *val) { return atomic_add(val, -1) - 1; }
+static inline long atomic_postinc(atomic_t *val) { return atomic_add(val, 1); }
+static inline long atomic_postdec(atomic_t *val) { return atomic_add(val, -1); }
+#endif

/uspace/trunk/libc/arch/ia64/src/entry.s
38,7 → 38,6
__entry:
alloc loc0 = ar.pfs, 0, 1, 2, 0
mov r1 = _gp
{ br.call.sptk.many b0 = __main }
{ br.call.sptk.many b0 = main }
{ br.call.sptk.many b0 = __exit }

 /uspace/trunk/libc/arch/ia64/src/thread_entry.s
 ,7 → 43,7
     #
     mov out0 = r8
-    { br.call.sptk.many b0 = __thread_main }
+    { br.call.sptk.many b0 = thread_main }
     #
     # Not reached.

/uspace/trunk/libc/arch/amd64/include/psthread.h
File deleted

/uspace/trunk/libc/arch/amd64/include/thread.h
File deleted

/uspace/trunk/libc/arch/amd64/include/context_offset.h
File deleted

/uspace/trunk/libc/arch/amd64/include/atomic.h
File deleted

 /uspace/trunk/libc/arch/amd64/include/atomic_arch.h
 ,0 → 1,69
+/*
+ * Copyright (C) 2001-2004 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __amd64_ATOMIC_H__
+#define __amd64_ATOMIC_H__
+static inline void atomic_inc(atomic_t *val) {
+    __asm__ volatile ("lock incq %0\n" : "=m" (val->count));
+}
+static inline void atomic_dec(atomic_t *val) {
+    __asm__ volatile ("lock decq %0\n" : "=m" (val->count));
+}
+static inline long atomic_postinc(atomic_t *val)
+{
+    long r;
+    __asm__ volatile (
+        "movq $1, %0\n"
+        "lock xaddq %0, %1\n"
+        : "=r" (r), "=m" (val->count)
+    );
+    return r;
+}
+static inline long atomic_postdec(atomic_t *val)
+{
+    long r;
+    __asm__ volatile (
+        "movq $-1, %0\n"
+        "lock xaddq %0, %1\n"
+        : "=r" (r), "=m" (val->count)
+    );
+    return r;
+}
+#define atomic_preinc(val) (atomic_postinc(val)+1)
+#define atomic_predec(val) (atomic_postdec(val)-1)
+#endif

/uspace/trunk/libc/arch/amd64/src/psthread.S
File deleted

/uspace/trunk/libc/arch/amd64/src/thread_entry.s
38,6 → 38,6
# RAX contains address of uarg
#
movq %rax, %rdi
call __thread_main
call thread_main

.end __thread_entry

/uspace/trunk/libc/arch/amd64/src/entry.s
36,7 → 36,6
#
#
__entry:
call __main
call main
call __exit

 /uspace/trunk/libc/arch/amd64/Makefile.inc
 ,7 → 32,6
 TARGET = amd64-linux-gnu
 TOOLCHAIN_DIR = /usr/local/amd64/bin
-ARCH_SOURCES += arch/$(ARCH)/src/syscall.S \
-        arch/$(ARCH)/src/psthread.S
+ARCH_SOURCES += arch/$(ARCH)/src/syscall.S
 LFLAGS += -N

/uspace/trunk/libc/arch/mips32/include/psthread.h
File deleted

/uspace/trunk/libc/arch/mips32/include/thread.h
File deleted

/uspace/trunk/libc/arch/mips32/include/context_offset.h
File deleted

/uspace/trunk/libc/arch/mips32/include/atomic.h
File deleted

 /uspace/trunk/libc/arch/mips32/include/atomic_arch.h
 ,0 → 1,67
+/*
+ * Copyright (C) 2005 Ondrej Palkovsky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __mips32_ATOMIC_H__
+#define __mips32_ATOMIC_H__
+#define atomic_inc(x)   ((void) atomic_add(x, 1))
+#define atomic_dec(x)   ((void) atomic_add(x, -1))
+#define atomic_postinc(x) (atomic_add(x, 1) - 1)
+#define atomic_postdec(x) (atomic_add(x, -1) + 1)
+#define atomic_preinc(x) atomic_add(x, 1)
+#define atomic_predec(x) atomic_add(x, -1)
+/* Atomic addition of immediate value.
+ *
+ * @param val Memory location to which will be the immediate value added.
+ * @param i Signed immediate that will be added to *val.
+ *
+ * @return Value after addition.
+ */
+static inline long atomic_add(atomic_t *val, int i)
+{
+    long tmp, v;
+    __asm__ volatile (
+        "1:\n"
+        "   ll %0, %1\n"
+        "   addiu %0, %0, %3\n" /* same as addi, but never traps on overflow */
+        "       move %2, %0\n"
+        "   sc %0, %1\n"
+        "   beq %0, %4, 1b\n"   /* if the atomic operation failed, try again */
+        /*  nop */      /* nop is inserted automatically by compiler */
+        : "=r" (tmp), "=m" (val->count), "=r" (v)
+        : "i" (i), "i" (0)
+        );
+    return v;
+}
+#endif

/uspace/trunk/libc/arch/mips32/src/psthread.S
File deleted

 /uspace/trunk/libc/arch/mips32/src/entry.s
 ,18 → 36,13
 ## User-space task entry point
 #
 #
-.ent __entry
 __entry:
     lui $28, _gp
-    # Mips o32 may store its arguments on stack, make space,
-    # so that it could work with -O0
-    addiu $sp, -16
-    jal __main
     jal main
+    nop
     jal __exit
+    nop
 .end __entry

 /uspace/trunk/libc/arch/mips32/src/thread_entry.s
 ,7 → 37,6
 ## User-space thread entry point for all but the first threads.
 #
 #
-.ent __thread_entry
 __thread_entry:
     lui $28, _gp
 ,13 → 44,9
     # v0 contains address of uarg.
     #
     add $4, $2, 0
-    # Mips o32 may store its arguments on stack, make space
-    addiu $sp, -16
+    jal thread_main
+    nop
-    j __thread_main
-    nop
     #
     # Not reached.
     #
-.end __thread_entry

 /uspace/trunk/libc/arch/mips32/Makefile.inc
 ,10 → 31,9
 TARGET = mipsel-linux-gnu
 TOOLCHAIN_DIR = /usr/local/mipsel/bin
-CFLAGS += -mno-abicalls -mips3 -ftls-model=global-dynamic
+CFLAGS += -mno-abicalls -mips3
-ARCH_SOURCES += arch/$(ARCH)/src/syscall.c \
-    arch/$(ARCH)/src/psthread.S
+ARCH_SOURCES += arch/$(ARCH)/src/syscall.c
 LFLAGS += -N

/uspace/trunk/libc/arch/ia32/include/atomic.h
File deleted

 /uspace/trunk/libc/arch/ia32/include/atomic_arch.h
 ,0 → 1,69
+/*
+ * Copyright (C) 2001-2004 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __ia32_ATOMIC_H__
+#define __ia32_ATOMIC_H__
+static inline void atomic_inc(atomic_t *val) {
+    __asm__ volatile ("lock incl %0\n" : "=m" (val->count));
+}
+static inline void atomic_dec(atomic_t *val) {
+    __asm__ volatile ("lock decl %0\n" : "=m" (val->count));
+}
+static inline long atomic_postinc(atomic_t *val)
+{
+    long r;
+    __asm__ volatile (
+        "movl $1, %0\n"
+        "lock xaddl %0, %1\n"
+        : "=r" (r), "=m" (val->count)
+    );
+    return r;
+}
+static inline long atomic_postdec(atomic_t *val)
+{
+    long r;
+    __asm__ volatile (
+        "movl $-1, %0\n"
+        "lock xaddl %0, %1\n"
+        : "=r" (r), "=m" (val->count)
+    );
+    return r;
+}
+#define atomic_preinc(val) (atomic_postinc(val)+1)
+#define atomic_predec(val) (atomic_postdec(val)-1)
+#endif

 /uspace/trunk/libc/arch/ia32/src/thread_entry.s
 ,13 → 38,14
     mov %dx, %ds
     mov %dx, %es
     mov %dx, %fs
-    # Do not set %gs, it contains descriptor that can see TLS
+    mov %dx, %gs
     #
     # EAX contains address of uarg.
     #
     pushl %eax
-    call __thread_main
+    call thread_main
+    addl $4, %esp
     #
     # Not reached.

 /uspace/trunk/libc/arch/ia32/src/entry.s
 ,9 → 40,8
     mov %ax, %ds
     mov %ax, %es
     mov %ax, %fs
-    # Do not set %gs, it contains descriptor that can see TLS
+    mov %ax, %gs
-    call __main
     call main
     call __exit

 /uspace/trunk/libc/arch/ia32/Makefile.inc
 ,7 → 32,6
 TARGET = i686-pc-linux-gnu
 TOOLCHAIN_DIR = /usr/local/i686/bin
-ARCH_SOURCES += arch/$(ARCH)/src/syscall.c \
-        arch/$(ARCH)/src/psthread.S
+ARCH_SOURCES += arch/$(ARCH)/src/syscall.c
 LFLAGS += -N

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Ignore whitespace Rev 1113 → Rev 1110