1 files changed, 143 insertions, 0 deletions

diff --git a/arch/m68knommu/kernel/entry.S b/arch/m68knommu/kernel/entry.S
new file mode 100644
index 000000000000..8b1f47239b9a
--- /dev/null
+++ b/arch/m68knommu/kernel/entry.S
@@ -0,0 +1,143 @@
+/*
+ *  linux/arch/m68knommu/kernel/entry.S
+ *
+ *  Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
+ *  Copyright (C) 1998  D. Jeff Dionne <jeff@lineo.ca>,
+ *                      Kenneth Albanowski <kjahds@kjahds.com>,
+ *  Copyright (C) 2000  Lineo Inc. (www.lineo.com) 
+ *
+ * Based on:
+ *
+ *  linux/arch/m68k/kernel/entry.S
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file README.legal in the main directory of this archive
+ * for more details.
+ *
+ * Linux/m68k support by Hamish Macdonald
+ *
+ * 68060 fixes by Jesper Skov
+ * ColdFire support by Greg Ungerer (gerg@snapgear.com)
+ * 5307 fixes by David W. Miller
+ * linux 2.4 support David McCullough <davidm@snapgear.com>
+ */
+
+#include <linux/config.h>
+#include <linux/sys.h>
+#include <linux/linkage.h>
+#include <asm/thread_info.h>
+#include <asm/errno.h>
+#include <asm/setup.h>
+#include <asm/segment.h>
+#include <asm/asm-offsets.h>
+#include <asm/entry.h>
+
+.text
+
+.globl buserr
+.globl trap
+.globl ret_from_exception
+.globl ret_from_signal
+.globl sys_fork
+.globl sys_clone
+.globl sys_vfork
+
+ENTRY(buserr)
+        SAVE_ALL
+        moveq   #-1,%d0
+        movel   %d0,%sp@(PT_ORIG_D0)
+        movel   %sp,%sp@-               /* stack frame pointer argument */
+        jsr     buserr_c
+        addql   #4,%sp
+        jra     ret_from_exception
+
+ENTRY(trap)
+        SAVE_ALL
+        moveq   #-1,%d0
+        movel   %d0,%sp@(PT_ORIG_D0)
+        movel   %sp,%sp@-               /* stack frame pointer argument */
+        jsr     trap_c
+        addql   #4,%sp
+        jra     ret_from_exception
+
+#ifdef TRAP_DBG_INTERRUPT
+
+.globl dbginterrupt
+ENTRY(dbginterrupt)
+        SAVE_ALL
+        moveq   #-1,%d0
+        movel   %d0,%sp@(PT_ORIG_D0)
+        movel   %sp,%sp@-               /* stack frame pointer argument */
+        jsr     dbginterrupt_c
+        addql   #4,%sp
+        jra     ret_from_exception
+#endif
+
+ENTRY(reschedule)
+        /* save top of frame */
+        pea     %sp@
+        jbsr    set_esp0
+        addql   #4,%sp
+        pea     ret_from_exception
+        jmp     schedule
+
+ENTRY(ret_from_fork)
+        movel   %d1,%sp@-
+        jsr     schedule_tail
+        addql   #4,%sp
+        jra     ret_from_exception
+
+ENTRY(sys_fork)
+        SAVE_SWITCH_STACK
+        pea     %sp@(SWITCH_STACK_SIZE)
+        jbsr    m68k_fork
+        addql   #4,%sp
+        RESTORE_SWITCH_STACK
+        rts
+
+ENTRY(sys_vfork)
+        SAVE_SWITCH_STACK
+        pea     %sp@(SWITCH_STACK_SIZE)
+        jbsr    m68k_vfork
+        addql   #4,%sp
+        RESTORE_SWITCH_STACK
+        rts
+
+ENTRY(sys_clone)
+        SAVE_SWITCH_STACK
+        pea     %sp@(SWITCH_STACK_SIZE)
+        jbsr    m68k_clone
+        addql   #4,%sp
+        RESTORE_SWITCH_STACK
+        rts
+
+ENTRY(sys_sigsuspend)
+        SAVE_SWITCH_STACK
+        pea     %sp@(SWITCH_STACK_SIZE)
+        jbsr    do_sigsuspend
+        addql   #4,%sp
+        RESTORE_SWITCH_STACK
+        rts
+
+ENTRY(sys_rt_sigsuspend)
+        SAVE_SWITCH_STACK
+        pea     %sp@(SWITCH_STACK_SIZE)
+        jbsr    do_rt_sigsuspend
+        addql   #4,%sp
+        RESTORE_SWITCH_STACK
+        rts
+
+ENTRY(sys_sigreturn)
+        SAVE_SWITCH_STACK
+        jbsr    do_sigreturn
+        RESTORE_SWITCH_STACK
+        rts
+
+ENTRY(sys_rt_sigreturn)
+        SAVE_SWITCH_STACK
+        jbsr    do_rt_sigreturn
+        RESTORE_SWITCH_STACK
+        rts
+