+++ /dev/null
-/*-
- ****************************************************************************
- * (C) 2005 - Grzegorz Milos - Intel Research Cambridge
- ****************************************************************************
- *
- * File: sched.c
- * Author: Grzegorz Milos
- * Changes: Robert Kaiser
- *
- * Date: Aug 2005
- *
- * Environment: Xen Minimal OS
- * Description: simple scheduler for Mini-Os
- *
- * The scheduler is non-preemptive (cooperative), and schedules according
- * to Round Robin algorithm.
- *
- ****************************************************************************
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include <bmk-core/i386/asm.h>
-
-ENTRY(bmk_cpu_sched_bouncer)
- popl %eax
- popl %ebx
- pushl $0
- xorl %ebp,%ebp
- pushl %eax
- call *%ebx
- call bmk_sched_exit
-END(bmk_cpu_sched_bouncer)
-
-ENTRY(bmk__cpu_switch)
- movl 4(%esp), %ecx /* prev */
- movl 8(%esp), %edx /* next */
-
- /* reload tls for new thread */
- movl $0x18, %eax
- movl %eax, %gs
-
- pushl %ebp
- pushl %ebx
- pushl %esi
- pushl %edi
- movl %esp, (%ecx) /* save ESP */
- movl (%edx), %esp /* restore ESP */
- movl $1f, 4(%ecx) /* save EIP */
- pushl 4(%edx) /* restore EIP */
- ret
-1:
- popl %edi
- popl %esi
- popl %ebx
- popl %ebp
- ret
-END(bmk__cpu_switch)
--- /dev/null
+/*-
+ ****************************************************************************
+ * (C) 2005 - Grzegorz Milos - Intel Research Cambridge
+ ****************************************************************************
+ *
+ * File: sched.c
+ * Author: Grzegorz Milos
+ * Changes: Robert Kaiser
+ *
+ * Date: Aug 2005
+ *
+ * Environment: Xen Minimal OS
+ * Description: simple scheduler for Mini-Os
+ *
+ * The scheduler is non-preemptive (cooperative), and schedules according
+ * to Round Robin algorithm.
+ *
+ ****************************************************************************
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <bmk-core/i386/asm.h>
+
+ENTRY(bmk_cpu_sched_bouncer)
+ popl %eax
+ popl %ebx
+ pushl $0
+ xorl %ebp,%ebp
+ pushl %eax
+ call *%ebx
+ call bmk_sched_exit
+END(bmk_cpu_sched_bouncer)
+
+ENTRY(bmk__cpu_switch)
+ movl 4(%esp), %ecx /* prev */
+ movl 8(%esp), %edx /* next */
+
+ /* reload tls for new thread */
+ movl $0x18, %eax
+ movl %eax, %gs
+
+ pushl %ebp
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+ movl %esp, (%ecx) /* save ESP */
+ movl (%edx), %esp /* restore ESP */
+ movl $1f, 4(%ecx) /* save EIP */
+ pushl 4(%edx) /* restore EIP */
+ ret
+1:
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+ ret
+END(bmk__cpu_switch)