Linux-2.6.12-rc2v2.6.12-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!

1 files changed, 1121 insertions, 0 deletions

diff --git a/arch/v850/kernel/entry.S b/arch/v850/kernel/entry.S
new file mode 100644
index 000000000000..895e27b1d839
--- /dev/null
+++ b/arch/v850/kernel/entry.S
@@ -0,0 +1,1121 @@
+/*
+ * arch/v850/kernel/entry.S -- Low-level system-call handling, trap handlers,
+ *	and context-switching
+ *
+ *  Copyright (C) 2001,02,03  NEC Electronics Corporation
+ *  Copyright (C) 2001,02,03  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#include <linux/sys.h>
+
+#include <asm/entry.h>
+#include <asm/current.h>
+#include <asm/thread_info.h>
+#include <asm/clinkage.h>
+#include <asm/processor.h>
+#include <asm/irq.h>
+#include <asm/errno.h>
+
+#include <asm/asm-consts.h>
+
+
+/* Make a slightly more convenient alias for C_SYMBOL_NAME.  */
+#define CSYM	C_SYMBOL_NAME
+
+
+/* The offset of the struct pt_regs in a state-save-frame on the stack.  */
+#define PTO	STATE_SAVE_PT_OFFSET
+
+
+/* Save argument registers to the state-save-frame pointed to by EP.  */
+#define SAVE_ARG_REGS							      \
+	sst.w	r6, PTO+PT_GPR(6)[ep];					      \
+	sst.w	r7, PTO+PT_GPR(7)[ep];					      \
+	sst.w	r8, PTO+PT_GPR(8)[ep];					      \
+	sst.w	r9, PTO+PT_GPR(9)[ep]
+/* Restore argument registers from the state-save-frame pointed to by EP.  */
+#define RESTORE_ARG_REGS						      \
+	sld.w	PTO+PT_GPR(6)[ep], r6;					      \
+	sld.w	PTO+PT_GPR(7)[ep], r7;					      \
+	sld.w	PTO+PT_GPR(8)[ep], r8;					      \
+	sld.w	PTO+PT_GPR(9)[ep], r9
+
+/* Save value return registers to the state-save-frame pointed to by EP.  */
+#define SAVE_RVAL_REGS							      \
+	sst.w	r10, PTO+PT_GPR(10)[ep];				      \
+	sst.w	r11, PTO+PT_GPR(11)[ep]
+/* Restore value return registers from the state-save-frame pointed to by EP.  */
+#define RESTORE_RVAL_REGS						      \
+	sld.w	PTO+PT_GPR(10)[ep], r10;				      \
+	sld.w	PTO+PT_GPR(11)[ep], r11
+
+
+#define SAVE_CALL_CLOBBERED_REGS_BEFORE_ARGS				      \
+	sst.w	r1, PTO+PT_GPR(1)[ep];					      \
+	sst.w	r5, PTO+PT_GPR(5)[ep]
+#define SAVE_CALL_CLOBBERED_REGS_AFTER_RVAL				      \
+	sst.w	r12, PTO+PT_GPR(12)[ep];				      \
+	sst.w	r13, PTO+PT_GPR(13)[ep];				      \
+	sst.w	r14, PTO+PT_GPR(14)[ep];				      \
+	sst.w	r15, PTO+PT_GPR(15)[ep];				      \
+	sst.w	r16, PTO+PT_GPR(16)[ep];				      \
+	sst.w	r17, PTO+PT_GPR(17)[ep];				      \
+	sst.w	r18, PTO+PT_GPR(18)[ep];				      \
+	sst.w	r19, PTO+PT_GPR(19)[ep]
+#define RESTORE_CALL_CLOBBERED_REGS_BEFORE_ARGS				      \
+	sld.w	PTO+PT_GPR(1)[ep], r1;					      \
+	sld.w	PTO+PT_GPR(5)[ep], r5
+#define RESTORE_CALL_CLOBBERED_REGS_AFTER_RVAL				      \
+	sld.w	PTO+PT_GPR(12)[ep], r12;				      \
+	sld.w	PTO+PT_GPR(13)[ep], r13;				      \
+	sld.w	PTO+PT_GPR(14)[ep], r14;				      \
+	sld.w	PTO+PT_GPR(15)[ep], r15;				      \
+	sld.w	PTO+PT_GPR(16)[ep], r16;				      \
+	sld.w	PTO+PT_GPR(17)[ep], r17;				      \
+	sld.w	PTO+PT_GPR(18)[ep], r18;				      \
+	sld.w	PTO+PT_GPR(19)[ep], r19
+
+/* Save `call clobbered' registers to the state-save-frame pointed to by EP.  */
+#define SAVE_CALL_CLOBBERED_REGS					      \
+	SAVE_CALL_CLOBBERED_REGS_BEFORE_ARGS;				      \
+	SAVE_ARG_REGS;							      \
+	SAVE_RVAL_REGS;							      \
+	SAVE_CALL_CLOBBERED_REGS_AFTER_RVAL
+/* Restore `call clobbered' registers from the state-save-frame pointed to
+   by EP.  */
+#define RESTORE_CALL_CLOBBERED_REGS					      \
+	RESTORE_CALL_CLOBBERED_REGS_BEFORE_ARGS;			      \
+	RESTORE_ARG_REGS;						      \
+	RESTORE_RVAL_REGS;						      \
+	RESTORE_CALL_CLOBBERED_REGS_AFTER_RVAL
+
+/* Save `call clobbered' registers except for the return-value registers
+   to the state-save-frame pointed to by EP.  */
+#define SAVE_CALL_CLOBBERED_REGS_NO_RVAL				      \
+	SAVE_CALL_CLOBBERED_REGS_BEFORE_ARGS;				      \
+	SAVE_ARG_REGS;							      \
+	SAVE_CALL_CLOBBERED_REGS_AFTER_RVAL
+/* Restore `call clobbered' registers except for the return-value registers
+   from the state-save-frame pointed to by EP.  */
+#define RESTORE_CALL_CLOBBERED_REGS_NO_RVAL				      \
+	RESTORE_CALL_CLOBBERED_REGS_BEFORE_ARGS;			      \
+	RESTORE_ARG_REGS;						      \
+	RESTORE_CALL_CLOBBERED_REGS_AFTER_RVAL
+
+/* Save `call saved' registers to the state-save-frame pointed to by EP.  */
+#define SAVE_CALL_SAVED_REGS						      \
+	sst.w	r2, PTO+PT_GPR(2)[ep];					      \
+	sst.w	r20, PTO+PT_GPR(20)[ep];				      \
+	sst.w	r21, PTO+PT_GPR(21)[ep];				      \
+	sst.w	r22, PTO+PT_GPR(22)[ep];				      \
+	sst.w	r23, PTO+PT_GPR(23)[ep];				      \
+	sst.w	r24, PTO+PT_GPR(24)[ep];				      \
+	sst.w	r25, PTO+PT_GPR(25)[ep];				      \
+	sst.w	r26, PTO+PT_GPR(26)[ep];				      \
+	sst.w	r27, PTO+PT_GPR(27)[ep];				      \
+	sst.w	r28, PTO+PT_GPR(28)[ep];				      \
+	sst.w	r29, PTO+PT_GPR(29)[ep]
+/* Restore `call saved' registers from the state-save-frame pointed to by EP.  */
+#define RESTORE_CALL_SAVED_REGS						      \
+	sld.w	PTO+PT_GPR(2)[ep], r2;					      \
+	sld.w	PTO+PT_GPR(20)[ep], r20;				      \
+	sld.w	PTO+PT_GPR(21)[ep], r21;				      \
+	sld.w	PTO+PT_GPR(22)[ep], r22;				      \
+	sld.w	PTO+PT_GPR(23)[ep], r23;				      \
+	sld.w	PTO+PT_GPR(24)[ep], r24;				      \
+	sld.w	PTO+PT_GPR(25)[ep], r25;				      \
+	sld.w	PTO+PT_GPR(26)[ep], r26;				      \
+	sld.w	PTO+PT_GPR(27)[ep], r27;				      \
+	sld.w	PTO+PT_GPR(28)[ep], r28;				      \
+	sld.w	PTO+PT_GPR(29)[ep], r29
+
+
+/* Save the PC stored in the special register SAVEREG to the state-save-frame
+   pointed to by EP.  r19 is clobbered.  */
+#define SAVE_PC(savereg)						      \
+	stsr	SR_ ## savereg, r19;					      \
+	sst.w	r19, PTO+PT_PC[ep]
+/* Restore the PC from the state-save-frame pointed to by EP, to the special
+   register SAVEREG.  LP is clobbered (it is used as a scratch register
+   because the POP_STATE macro restores it, and this macro is usually used
+   inside POP_STATE).  */
+#define RESTORE_PC(savereg)						      \
+	sld.w	PTO+PT_PC[ep], lp;					      \
+	ldsr	lp, SR_ ## savereg
+/* Save the PSW register stored in the special register SAVREG to the
+   state-save-frame pointed to by EP.  r19 is clobbered.  */
+#define SAVE_PSW(savereg)						      \
+	stsr	SR_ ## savereg, r19;					      \
+	sst.w	r19, PTO+PT_PSW[ep]
+/* Restore the PSW register from the state-save-frame pointed to by EP, to
+   the special register SAVEREG.  LP is clobbered (it is used as a scratch
+   register because the POP_STATE macro restores it, and this macro is
+   usually used inside POP_STATE).  */
+#define RESTORE_PSW(savereg)						      \
+	sld.w	PTO+PT_PSW[ep], lp;					      \
+	ldsr	lp, SR_ ## savereg
+
+/* Save CTPC/CTPSW/CTBP registers to the state-save-frame pointed to by REG.
+   r19 is clobbered.  */
+#define SAVE_CT_REGS							      \
+	stsr	SR_CTPC, r19;						      \
+	sst.w	r19, PTO+PT_CTPC[ep];					      \
+	stsr	SR_CTPSW, r19;						      \
+	sst.w	r19, PTO+PT_CTPSW[ep];					      \
+	stsr	SR_CTBP, r19;						      \
+	sst.w	r19, PTO+PT_CTBP[ep]
+/* Restore CTPC/CTPSW/CTBP registers from the state-save-frame pointed to by EP.
+   LP is clobbered (it is used as a scratch register because the POP_STATE
+   macro restores it, and this macro is usually used inside POP_STATE).  */
+#define RESTORE_CT_REGS							      \
+	sld.w	PTO+PT_CTPC[ep], lp;					      \
+	ldsr	lp, SR_CTPC;						      \
+	sld.w	PTO+PT_CTPSW[ep], lp;					      \
+	ldsr	lp, SR_CTPSW;						      \
+	sld.w	PTO+PT_CTBP[ep], lp;					      \
+	ldsr	lp, SR_CTBP
+
+
+/* Push register state, except for the stack pointer, on the stack in the
+   form of a state-save-frame (plus some extra padding), in preparation for
+   a system call.  This macro makes sure that the EP, GP, and LP
+   registers are saved, and TYPE identifies the set of extra registers to
+   be saved as well.  Also copies (the new value of) SP to EP.  */
+#define PUSH_STATE(type)						      \
+	addi	-STATE_SAVE_SIZE, sp, sp; /* Make room on the stack.  */      \
+	st.w	ep, PTO+PT_GPR(GPR_EP)[sp];				      \
+	mov	sp, ep;							      \
+	sst.w	gp, PTO+PT_GPR(GPR_GP)[ep];				      \
+	sst.w	lp, PTO+PT_GPR(GPR_LP)[ep];				      \
+	type ## _STATE_SAVER
+/* Pop a register state pushed by PUSH_STATE, except for the stack pointer,
+   from the the stack.  */
+#define POP_STATE(type)							      \
+	mov	sp, ep;							      \
+	type ## _STATE_RESTORER;					      \
+	sld.w	PTO+PT_GPR(GPR_GP)[ep], gp;				      \
+	sld.w	PTO+PT_GPR(GPR_LP)[ep], lp;				      \
+	sld.w	PTO+PT_GPR(GPR_EP)[ep], ep;				      \
+	addi	STATE_SAVE_SIZE, sp, sp /* Clean up our stack space.  */
+
+
+/* Switch to the kernel stack if necessary, and push register state on the
+   stack in the form of a state-save-frame.  Also load the current task
+   pointer if switching from user mode.  The stack-pointer (r3) should have
+   already been saved to the memory location SP_SAVE_LOC (the reason for
+   this is that the interrupt vectors may be beyond a 22-bit signed offset
+   jump from the actual interrupt handler, and this allows them to save the
+   stack-pointer and use that register to do an indirect jump).  This macro
+   makes sure that `special' registers, system registers, and the stack
+   pointer are saved; TYPE identifies the set of extra registers to be
+   saved as well.  SYSCALL_NUM is the register in which the system-call
+   number this state is for is stored (r0 if this isn't a system call).
+   Interrupts should already be disabled when calling this.  */
+#define SAVE_STATE(type, syscall_num, sp_save_loc)			      \
+	tst1	0, KM;			/* See if already in kernel mode.  */ \
+	bz	1f;							      \
+	ld.w	sp_save_loc, sp;	/* ... yes, use saved SP.  */	      \
+	br	2f;							      \
+1:	ld.w	KSP, sp;		/* ... no, switch to kernel stack. */ \
+2:	PUSH_STATE(type);						      \
+	ld.b	KM, r19;		/* Remember old kernel-mode.  */      \
+	sst.w	r19, PTO+PT_KERNEL_MODE[ep];				      \
+	ld.w	sp_save_loc, r19;	/* Remember old SP.  */		      \
+	sst.w	r19, PTO+PT_GPR(GPR_SP)[ep];				      \
+	mov	1, r19;			/* Now definitely in kernel-mode. */  \
+	st.b	r19, KM;						      \
+	GET_CURRENT_TASK(CURRENT_TASK);	/* Fetch the current task pointer. */ \
+	/* Save away the syscall number.  */				      \
+	sst.w	syscall_num, PTO+PT_CUR_SYSCALL[ep]
+
+
+/* Save register state not normally saved by PUSH_STATE for TYPE, to the
+   state-save-frame on the stack; also copies SP to EP.  r19 may be trashed. */
+#define SAVE_EXTRA_STATE(type)						      \
+	mov	sp, ep;							      \
+	type ## _EXTRA_STATE_SAVER
+/* Restore register state not normally restored by POP_STATE for TYPE,
+   from the state-save-frame on the stack; also copies SP to EP.
+   r19 may be trashed.  */
+#define RESTORE_EXTRA_STATE(type)					      \
+	mov	sp, ep;							      \
+	type ## _EXTRA_STATE_RESTORER
+
+/* Save any call-clobbered registers not normally saved by PUSH_STATE for
+   TYPE, to the state-save-frame on the stack.
+   EP may be trashed, but is not guaranteed to contain a copy of SP
+   (unlike after most SAVE_... macros).  r19 may be trashed.  */
+#define SAVE_EXTRA_STATE_FOR_SCHEDULE(type)				      \
+	type ## _SCHEDULE_EXTRA_STATE_SAVER
+/* Restore any call-clobbered registers not normally restored by
+   POP_STATE for TYPE, to the state-save-frame on the stack.
+   EP may be trashed, but is not guaranteed to contain a copy of SP
+   (unlike after most RESTORE_... macros).  r19 may be trashed.  */
+#define RESTORE_EXTRA_STATE_FOR_SCHEDULE(type)				      \
+	type ## _SCHEDULE_EXTRA_STATE_RESTORER
+
+
+/* These are extra_state_saver/restorer values for a user trap.  Note
+   that we save the argument registers so that restarted syscalls will
+   function properly (otherwise it wouldn't be necessary), and we must
+   _not_ restore the return-value registers (so that traps can return a
+   value!), but call-clobbered registers are not saved at all, as the
+   caller of the syscall function should have saved them.  */
+
+#define TRAP_RET reti
+/* Traps don't save call-clobbered registers (but do still save arg regs).
+   We preserve PSw to keep long-term state, namely interrupt status (for traps
+   from kernel-mode), and the single-step flag (for user traps).  */
+#define TRAP_STATE_SAVER						      \
+	SAVE_ARG_REGS;							      \
+	SAVE_PC(EIPC);							      \
+	SAVE_PSW(EIPSW)
+/* When traps return, they just leave call-clobbered registers (except for arg
+   regs) with whatever value they have from the kernel.  Traps don't preserve
+   the PSW, but we zero EIPSW to ensure it doesn't contain anything dangerous
+   (in particular, the single-step flag).  */
+#define TRAP_STATE_RESTORER						      \
+	RESTORE_ARG_REGS;						      \
+	RESTORE_PC(EIPC);						      \
+	RESTORE_PSW(EIPSW)
+/* Save registers not normally saved by traps.  We need to save r12, even
+   though it's nominally call-clobbered, because it's used when restarting
+   a system call (the signal-handling path uses SAVE_EXTRA_STATE, and
+   expects r12 to be restored when the trap returns).  */
+#define TRAP_EXTRA_STATE_SAVER						      \
+	SAVE_RVAL_REGS;							      \
+	sst.w	r12, PTO+PT_GPR(12)[ep];				      \
+	SAVE_CALL_SAVED_REGS;						      \
+	SAVE_CT_REGS
+#define TRAP_EXTRA_STATE_RESTORER					      \
+	RESTORE_RVAL_REGS;						      \
+	sld.w	PTO+PT_GPR(12)[ep], r12;				      \
+	RESTORE_CALL_SAVED_REGS;					      \
+	RESTORE_CT_REGS
+/* Save registers prior to calling scheduler (just before trap returns).
+   We have to save the return-value registers to preserve the trap's return
+   value.  Note that ..._SCHEDULE_EXTRA_STATE_SAVER, unlike most ..._SAVER
+   macros, is required to setup EP itself if EP is needed (this is because
+   in many cases, the macro is empty).  */
+#define TRAP_SCHEDULE_EXTRA_STATE_SAVER					      \
+	mov sp, ep;							      \
+	SAVE_RVAL_REGS
+/* Note that ..._SCHEDULE_EXTRA_STATE_RESTORER, unlike most ..._RESTORER
+   macros, is required to setup EP itself if EP is needed (this is because
+   in many cases, the macro is empty).  */
+#define TRAP_SCHEDULE_EXTRA_STATE_RESTORER				      \
+	mov sp, ep;							      \
+	RESTORE_RVAL_REGS
+
+/* Register saving/restoring for maskable interrupts.  */
+#define IRQ_RET reti
+#define IRQ_STATE_SAVER							      \
+	SAVE_CALL_CLOBBERED_REGS;					      \
+	SAVE_PC(EIPC);							      \
+	SAVE_PSW(EIPSW)
+#define IRQ_STATE_RESTORER						      \
+	RESTORE_CALL_CLOBBERED_REGS;					      \
+	RESTORE_PC(EIPC);						      \
+	RESTORE_PSW(EIPSW)
+#define IRQ_EXTRA_STATE_SAVER						      \
+	SAVE_CALL_SAVED_REGS;						      \
+	SAVE_CT_REGS
+#define IRQ_EXTRA_STATE_RESTORER					      \
+	RESTORE_CALL_SAVED_REGS;					      \
+	RESTORE_CT_REGS
+#define IRQ_SCHEDULE_EXTRA_STATE_SAVER	     /* nothing */
+#define IRQ_SCHEDULE_EXTRA_STATE_RESTORER    /* nothing */
+
+/* Register saving/restoring for non-maskable interrupts.  */
+#define NMI_RET reti
+#define NMI_STATE_SAVER							      \
+	SAVE_CALL_CLOBBERED_REGS;					      \
+	SAVE_PC(FEPC);							      \
+	SAVE_PSW(FEPSW);
+#define NMI_STATE_RESTORER						      \
+	RESTORE_CALL_CLOBBERED_REGS;					      \
+	RESTORE_PC(FEPC);						      \
+	RESTORE_PSW(FEPSW);
+#define NMI_EXTRA_STATE_SAVER						      \
+	SAVE_CALL_SAVED_REGS;						      \
+	SAVE_CT_REGS
+#define NMI_EXTRA_STATE_RESTORER					      \
+	RESTORE_CALL_SAVED_REGS;					      \
+	RESTORE_CT_REGS
+#define NMI_SCHEDULE_EXTRA_STATE_SAVER	     /* nothing */
+#define NMI_SCHEDULE_EXTRA_STATE_RESTORER    /* nothing */
+
+/* Register saving/restoring for debug traps.  */
+#define DBTRAP_RET .long 0x014607E0 /* `dbret', but gas doesn't support it. */
+#define DBTRAP_STATE_SAVER						      \
+	SAVE_CALL_CLOBBERED_REGS;					      \
+	SAVE_PC(DBPC);							      \
+	SAVE_PSW(DBPSW)
+#define DBTRAP_STATE_RESTORER						      \
+	RESTORE_CALL_CLOBBERED_REGS;					      \
+	RESTORE_PC(DBPC);						      \
+	RESTORE_PSW(DBPSW)
+#define DBTRAP_EXTRA_STATE_SAVER					      \
+	SAVE_CALL_SAVED_REGS;						      \
+	SAVE_CT_REGS
+#define DBTRAP_EXTRA_STATE_RESTORER					      \
+	RESTORE_CALL_SAVED_REGS;					      \
+	RESTORE_CT_REGS
+#define DBTRAP_SCHEDULE_EXTRA_STATE_SAVER	/* nothing */
+#define DBTRAP_SCHEDULE_EXTRA_STATE_RESTORER	/* nothing */
+
+/* Register saving/restoring for a context switch.  We don't need to save
+   too many registers, because context-switching looks like a function call
+   (via the function `switch_thread'), so callers will save any
+   call-clobbered registers themselves.  We do need to save the CT regs, as
+   they're normally not saved during kernel entry (the kernel doesn't use
+   them).  We save PSW so that interrupt-status state will correctly follow
+   each thread (mostly NMI vs. normal-IRQ/trap), though for the most part
+   it doesn't matter since threads are always in almost exactly the same
+   processor state during a context switch.  The stack pointer and return
+   value are handled by switch_thread itself.  */
+#define SWITCH_STATE_SAVER						      \
+	SAVE_CALL_SAVED_REGS;						      \
+	SAVE_PSW(PSW);							      \
+	SAVE_CT_REGS
+#define SWITCH_STATE_RESTORER						      \
+	RESTORE_CALL_SAVED_REGS;					      \
+	RESTORE_PSW(PSW);						      \
+	RESTORE_CT_REGS
+
+
+/* Restore register state from the state-save-frame on the stack, switch back
+   to the user stack if necessary, and return from the trap/interrupt.
+   EXTRA_STATE_RESTORER is a sequence of assembly language statements to
+   restore anything not restored by this macro.  Only registers not saved by
+   the C compiler are restored (that is, R3(sp), R4(gp), R31(lp), and
+   anything restored by EXTRA_STATE_RESTORER).  */
+#define RETURN(type)							      \
+	ld.b	PTO+PT_KERNEL_MODE[sp], r19;				      \
+	di;				/* Disable interrupts */	      \
+	cmp	r19, r0;		/* See if returning to kernel mode, */\
+	bne	2f;			/* ... if so, skip resched &c.  */    \
+									      \
+	/* We're returning to user mode, so check for various conditions that \
+	   trigger rescheduling. */					      \
+	GET_CURRENT_THREAD(r18);					      \
+	ld.w	TI_FLAGS[r18], r19;					      \
+	andi	_TIF_NEED_RESCHED, r19, r0;				      \
+	bnz	3f;			/* Call the scheduler.  */	      \
+5:	andi	_TIF_SIGPENDING, r19, r18;				      \
+	ld.w	TASK_PTRACE[CURRENT_TASK], r19; /* ptrace flags */	      \
+	or	r18, r19;		/* see if either is non-zero */	      \
+	bnz	4f;			/* if so, handle them */	      \
+									      \
+/* Return to user state.  */						      \
+1:	st.b	r0, KM;			/* Now officially in user state. */   \
+									      \
+/* Final return.  The stack-pointer fiddling is not needed when returning     \
+   to kernel-mode, but they don't hurt, and this way we can share the	      \
+   (sometimes rather lengthy) POP_STATE macro.  */			      \
+2:	POP_STATE(type);						      \
+	st.w	sp, KSP;		/* Save the kernel stack pointer. */  \
+	ld.w	PT_GPR(GPR_SP)-PT_SIZE[sp], sp; /* Restore stack pointer. */  \
+	type ## _RET;			/* Return from the trap/interrupt. */ \
+									      \
+/* Call the scheduler before returning from a syscall/trap. */		      \
+3:	SAVE_EXTRA_STATE_FOR_SCHEDULE(type); /* Prepare to call scheduler. */ \
+	jarl	call_scheduler, lp;	/* Call scheduler */		      \
+	di;				/* The scheduler enables interrupts */\
+	RESTORE_EXTRA_STATE_FOR_SCHEDULE(type);				      \
+	GET_CURRENT_THREAD(r18);					      \
+	ld.w	TI_FLAGS[r18], r19;					      \
+	br	5b;			/* Continue with return path. */      \
+									      \
+/* Handle a signal or ptraced process return.				      \
+   r18 should be non-zero if there are pending signals.  */		      \
+4:	/* Not all registers are saved by the normal trap/interrupt entry     \
+	   points (for instance, call-saved registers (because the normal     \
+	   C-compiler calling sequence in the kernel makes sure they're	      \
+	   preserved), and call-clobbered registers in the case of	      \
+	   traps), but signal handlers may want to examine or change the      \
+	   complete register state.  Here we save anything not saved by	      \
+	   the normal entry sequence, so that it may be safely restored	      \
+	   (in a possibly modified form) after do_signal returns.  */	      \
+	SAVE_EXTRA_STATE(type);		/* Save state not saved by entry. */  \
+	jarl	handle_signal_or_ptrace_return, lp;			      \
+	RESTORE_EXTRA_STATE(type);	/* Restore extra regs.  */	      \
+	br	1b
+
+
+/* Jump to the appropriate function for the system call number in r12
+   (r12 is not preserved), or return an error if r12 is not valid.  The
+   LP register should point to the location where the called function
+   should return.  [note that MAKE_SYS_CALL uses label 1]  */
+#define MAKE_SYS_CALL							      \
+	/* Figure out which function to use for this system call.  */	      \
+	shl	2, r12;							      \
+	/* See if the system call number is valid.  */			      \
+	addi	lo(CSYM(sys_call_table) - sys_call_table_end), r12, r0;	      \
+	bnh	1f;							      \
+	mov	hilo(CSYM(sys_call_table)), r19;			      \
+	add	r19, r12;						      \
+	ld.w	0[r12], r12;						      \
+	/* Make the system call.  */					      \
+	jmp	[r12];							      \
+	/* The syscall number is invalid, return an error.  */		      \
+1:	addi	-ENOSYS, r0, r10;					      \
+	jmp	[lp]
+
+
+	.text
+
+/*
+ * User trap.
+ *
+ * Trap 0 system calls are also handled here.
+ *
+ * The stack-pointer (r3) should have already been saved to the memory
+ * location ENTRY_SP (the reason for this is that the interrupt vectors may be
+ * beyond a 22-bit signed offset jump from the actual interrupt handler, and
+ * this allows them to save the stack-pointer and use that register to do an
+ * indirect jump).
+ *
+ * Syscall protocol:
+ *   Syscall number in r12, args in r6-r9
+ *   Return value in r10
+ */
+G_ENTRY(trap):
+	SAVE_STATE (TRAP, r12, ENTRY_SP) // Save registers.
+	stsr	SR_ECR, r19		// Find out which trap it was.
+	ei				// Enable interrupts.
+	mov	hilo(ret_from_trap), lp	// where the trap should return
+
+	// The following two shifts (1) clear out extraneous NMI data in the
+	// upper 16-bits, (2) convert the 0x40 - 0x5f range of trap ECR
+	// numbers into the (0-31) << 2 range we want, (3) set the flags.
+	shl	27, r19			// chop off all high bits
+	shr	25, r19			// scale back down and then << 2
+	bnz	2f			// See if not trap 0.
+
+	// Trap 0 is a `short' system call, skip general trap table.
+	MAKE_SYS_CALL			// Jump to the syscall function.
+
+2:	// For other traps, use a table lookup.
+	mov	hilo(CSYM(trap_table)), r18
+	add	r19, r18
+	ld.w	0[r18], r18
+	jmp	[r18]			// Jump to the trap handler.
+END(trap)
+
+/* This is just like ret_from_trap, but first restores extra registers
+   saved by some wrappers.  */
+L_ENTRY(restore_extra_regs_and_ret_from_trap):
+	RESTORE_EXTRA_STATE(TRAP)
+	// fall through
+END(restore_extra_regs_and_ret_from_trap)
+
+/* Entry point used to return from a syscall/trap.  */
+L_ENTRY(ret_from_trap):
+	RETURN(TRAP)
+END(ret_from_trap)
+
+
+/* This the initial entry point for a new child thread, with an appropriate
+   stack in place that makes it look the the child is in the middle of an
+   syscall.  This function is actually `returned to' from switch_thread
+   (copy_thread makes ret_from_fork the return address in each new thread's
+   saved context).  */
+C_ENTRY(ret_from_fork):
+	mov	r10, r6			// switch_thread returns the prev task.
+	jarl	CSYM(schedule_tail), lp	// ...which is schedule_tail's arg
+	mov	r0, r10			// Child's fork call should return 0.
+	br	ret_from_trap		// Do normal trap return.
+C_END(ret_from_fork)
+
+
+/*
+ * Trap 1: `long' system calls
+ * `Long' syscall protocol:
+ *   Syscall number in r12, args in r6-r9, r13-r14
+ *   Return value in r10
+ */
+L_ENTRY(syscall_long):
+	// Push extra arguments on the stack.  Note that by default, the trap
+	// handler reserves enough stack space for 6 arguments, so we don't
+	// have to make any additional room.
+	st.w	r13, 16[sp]		// arg 5
+	st.w	r14, 20[sp]		// arg 6
+
+	// Make sure r13 and r14 are preserved, in case we have to restart a
+	// system call because of a signal (ep has already been set by caller).
+	st.w	r13, PTO+PT_GPR(13)[sp]
+	st.w	r14, PTO+PT_GPR(13)[sp]
+	mov	hilo(ret_from_long_syscall), lp
+
+	MAKE_SYS_CALL			// Jump to the syscall function.
+END(syscall_long)
+
+/* Entry point used to return from a long syscall.  Only needed to restore
+   r13/r14 if the general trap mechanism doesnt' do so.  */
+L_ENTRY(ret_from_long_syscall):
+	ld.w	PTO+PT_GPR(13)[sp], r13 // Restore the extra registers
+	ld.w	PTO+PT_GPR(13)[sp], r14
+	br	ret_from_trap		// The rest is the same as other traps
+END(ret_from_long_syscall)
+
+
+/* These syscalls need access to the struct pt_regs on the stack, so we
+   implement them in assembly (they're basically all wrappers anyway).  */
+
+L_ENTRY(sys_fork_wrapper):
+#ifdef CONFIG_MMU
+	addi	SIGCHLD, r0, r6		   // Arg 0: flags
+	ld.w	PTO+PT_GPR(GPR_SP)[sp], r7 // Arg 1: child SP (use parent's)
+	movea	PTO, sp, r8		   // Arg 2: parent context
+	mov	r0, r9			   // Arg 3/4/5: 0
+	st.w	r0, 16[sp]
+	st.w	r0, 20[sp]
+	mov	hilo(CSYM(do_fork)), r18   // Where the real work gets done
+	br	save_extra_state_tramp	   // Save state and go there
+#else
+	// fork almost works, enough to trick you into looking elsewhere :-(
+	addi	-EINVAL, r0, r10
+	jmp	[lp]
+#endif
+END(sys_fork_wrapper)
+
+L_ENTRY(sys_vfork_wrapper):
+	addi	CLONE_VFORK | CLONE_VM | SIGCHLD, r0, r6 // Arg 0: flags
+	ld.w	PTO+PT_GPR(GPR_SP)[sp], r7 // Arg 1: child SP (use parent's)
+	movea	PTO, sp, r8		   // Arg 2: parent context
+	mov	r0, r9			   // Arg 3/4/5: 0
+	st.w	r0, 16[sp]
+	st.w	r0, 20[sp]
+	mov	hilo(CSYM(do_fork)), r18   // Where the real work gets done
+	br	save_extra_state_tramp	   // Save state and go there
+END(sys_vfork_wrapper)
+
+L_ENTRY(sys_clone_wrapper):
+	ld.w	PTO+PT_GPR(GPR_SP)[sp], r19// parent's stack pointer
+	cmp	r7, r0			   // See if child SP arg (arg 1) is 0.
+	cmov	z, r19, r7, r7		   // ... and use the parent's if so.
+	movea	PTO, sp, r8		   // Arg 2: parent context
+	mov	r0, r9			   // Arg 3/4/5: 0
+	st.w	r0, 16[sp]
+	st.w	r0, 20[sp]
+	mov	hilo(CSYM(do_fork)), r18   // Where the real work gets done
+	br	save_extra_state_tramp	   // Save state and go there
+END(sys_clone_wrapper)
+
+
+L_ENTRY(sys_execve_wrapper):
+	movea	PTO, sp, r9		// add user context as 4th arg
+	jr	CSYM(sys_execve)	// Do real work (tail-call).
+END(sys_execve_wrapper)
+
+
+L_ENTRY(sys_sigsuspend_wrapper):
+	movea	PTO, sp, r7		// add user context as 2nd arg
+	mov	hilo(CSYM(sys_sigsuspend)), r18	// syscall function
+	jarl	save_extra_state_tramp, lp	// Save state and do it
+	br	restore_extra_regs_and_ret_from_trap
+END(sys_sigsuspend_wrapper)
+L_ENTRY(sys_rt_sigsuspend_wrapper):
+	movea	PTO, sp, r8		// add user context as 3rd arg
+	mov	hilo(CSYM(sys_rt_sigsuspend)), r18 // syscall function
+	jarl	save_extra_state_tramp, lp	   // Save state and do it
+	br	restore_extra_regs_and_ret_from_trap
+END(sys_rt_sigsuspend_wrapper)
+
+L_ENTRY(sys_sigreturn_wrapper):
+	movea	PTO, sp, r6		// add user context as 1st arg
+	mov	hilo(CSYM(sys_sigreturn)), r18	// syscall function
+	jarl	save_extra_state_tramp, lp	// Save state and do it
+	br	restore_extra_regs_and_ret_from_trap
+END(sys_sigreturn_wrapper)
+L_ENTRY(sys_rt_sigreturn_wrapper):
+	movea	PTO, sp, r6		// add user context as 1st arg
+	mov	hilo(CSYM(sys_rt_sigreturn)), r18// syscall function
+	jarl	save_extra_state_tramp, lp	 // Save state and do it
+	br	restore_extra_regs_and_ret_from_trap
+END(sys_rt_sigreturn_wrapper)
+
+
+/* Save any state not saved by SAVE_STATE(TRAP), and jump to r18.
+   It's main purpose is to share the rather lengthy code sequence that
+   SAVE_STATE expands into among the above wrapper functions.  */
+L_ENTRY(save_extra_state_tramp):
+	SAVE_EXTRA_STATE(TRAP)		// Save state not saved by entry.
+	jmp	[r18]			// Do the work the caller wants
+END(save_extra_state_tramp)
+
+
+/*
+ * Hardware maskable interrupts.
+ *
+ * The stack-pointer (r3) should have already been saved to the memory
+ * location ENTRY_SP (the reason for this is that the interrupt vectors may be
+ * beyond a 22-bit signed offset jump from the actual interrupt handler, and
+ * this allows them to save the stack-pointer and use that register to do an
+ * indirect jump).
+ */
+G_ENTRY(irq):
+	SAVE_STATE (IRQ, r0, ENTRY_SP)	// Save registers.
+
+	stsr	SR_ECR, r6		// Find out which interrupt it was.
+	movea	PTO, sp, r7		// User regs are arg2
+
+	// All v850 implementations I know about encode their interrupts as
+	// multiples of 0x10, starting at 0x80 (after NMIs and software
+	// interrupts).  Convert this number into a simple IRQ index for the
+	// rest of the kernel.  We also clear the upper 16 bits, which hold
+	// NMI info, and don't appear to be cleared when a NMI returns.
+	shl	16, r6			// clear upper 16 bits
+	shr	20, r6			// shift back, and remove lower nibble
+	add	-8, r6			// remove bias for irqs
+
+	// Call the high-level interrupt handling code.
+	jarl	CSYM(handle_irq), lp
+
+	RETURN(IRQ)
+END(irq)
+
+
+/*
+ * Debug trap / illegal-instruction exception
+ *
+ * The stack-pointer (r3) should have already been saved to the memory
+ * location ENTRY_SP (the reason for this is that the interrupt vectors may be
+ * beyond a 22-bit signed offset jump from the actual interrupt handler, and
+ * this allows them to save the stack-pointer and use that register to do an
+ * indirect jump).
+ */
+G_ENTRY(dbtrap):
+	SAVE_STATE (DBTRAP, r0, ENTRY_SP)// Save registers.
+
+	/* First see if we came from kernel mode; if so, the dbtrap
+	   instruction has a special meaning, to set the DIR (`debug
+	   information register') register.  This is because the DIR register
+	   can _only_ be manipulated/read while in `debug mode,' and debug
+	   mode is only active while we're inside the dbtrap handler.  The
+	   exact functionality is:  { DIR = (DIR | r6) & ~r7; return DIR; }. */
+	ld.b	PTO+PT_KERNEL_MODE[sp], r19
+	cmp	r19, r0
+	bz	1f
+
+	stsr	SR_DIR, r10
+	or	r6, r10
+	not	r7, r7
+	and	r7, r10
+	ldsr	r10, SR_DIR
+	stsr	SR_DIR, r10		// Confirm the value we set
+	st.w	r10, PTO+PT_GPR(10)[sp]	// return it
+	br	3f
+
+1:	ei				// Enable interrupts.
+
+	/* The default signal type we raise.  */
+	mov	SIGTRAP, r6
+
+	/* See if it's a single-step trap.  */
+	stsr	SR_DBPSW, r19
+	andi	0x0800, r19, r19
+	bnz	2f
+
+	/* Look to see if the preceding instruction was is a dbtrap or not,
+	   to decide which signal we should use.  */
+	stsr	SR_DBPC, r19		// PC following trapping insn
+	ld.hu	-2[r19], r19
+	ori	0xf840, r0, r20		// DBTRAP insn
+	cmp	r19, r20		// Was this trap caused by DBTRAP?
+	cmov	ne, SIGILL, r6, r6	// Choose signal appropriately
+
+	/* Raise the desired signal.  */
+2:	mov	CURRENT_TASK, r7	// Arg 1: task
+	jarl	CSYM(send_sig), lp	// tail call
+
+3:	RETURN(DBTRAP)
+END(dbtrap)
+
+
+/*
+ * Hardware non-maskable interrupts.
+ *
+ * The stack-pointer (r3) should have already been saved to the memory
+ * location ENTRY_SP (the reason for this is that the interrupt vectors may be
+ * beyond a 22-bit signed offset jump from the actual interrupt handler, and
+ * this allows them to save the stack-pointer and use that register to do an
+ * indirect jump).
+ */
+G_ENTRY(nmi):
+	SAVE_STATE (NMI, r0, NMI_ENTRY_SP); /* Save registers.  */
+
+	stsr	SR_ECR, r6;		/* Find out which nmi it was.  */
+	shr	20, r6;			/* Extract NMI code in bits 20-24. */
+	movea	PTO, sp, r7;		/* User regs are arg2.  */
+
+	/* Non-maskable interrupts always lie right after maskable interrupts.
+	   Call the generic IRQ handler, with two arguments, the IRQ number,
+	   and a pointer to the user registers, to handle the specifics.
+	   (we subtract one because the first NMI has code 1).  */
+	addi	FIRST_NMI - 1, r6, r6
+	jarl	CSYM(handle_irq), lp
+
+	RETURN(NMI)
+END(nmi)
+
+
+/*
+ * Trap with no handler
+ */
+L_ENTRY(bad_trap_wrapper):
+	mov	r19, r6			// Arg 0: trap number
+	movea	PTO, sp, r7		// Arg 1: user regs
+	jr	CSYM(bad_trap)		// tail call handler
+END(bad_trap_wrapper)
+
+
+/*
+ * Invoke the scheduler, called from the trap/irq kernel exit path.
+ *
+ * This basically just calls `schedule', but also arranges for extra
+ * registers to be saved for ptrace'd processes, so ptrace can modify them.
+ */
+L_ENTRY(call_scheduler):
+	ld.w	TASK_PTRACE[CURRENT_TASK], r19	// See if task is ptrace'd
+	cmp	r19, r0
+	bnz	1f			// ... yes, do special stuff
+	jr	CSYM(schedule)		// ... no, just tail-call scheduler
+
+	// Save extra regs for ptrace'd task.  We want to save anything
+	// that would otherwise only be `implicitly' saved by the normal
+	// compiler calling-convention.
+1:	mov	sp, ep			// Setup EP for SAVE_CALL_SAVED_REGS
+	SAVE_CALL_SAVED_REGS		// Save call-saved registers to stack
+	mov	lp, r20			// Save LP in a callee-saved register
+
+	jarl	CSYM(schedule), lp	// Call scheduler
+
+	mov	r20, lp
+	mov	sp, ep			// We can't rely on EP after return
+	RESTORE_CALL_SAVED_REGS		// Restore (possibly modified) regs
+	jmp	[lp]			// Return to the return path
+END(call_scheduler)
+
+
+/*
+ * This is an out-of-line handler for two special cases during the kernel
+ * trap/irq exit sequence:
+ *
+ *  (1) If r18 is non-zero then a signal needs to be handled, which is
+ *	done, and then the caller returned to.
+ *
+ *  (2) If r18 is non-zero then we're returning to a ptraced process, which
+ *	has several special cases -- single-stepping and trap tracing, both
+ *	of which require using the `dbret' instruction to exit the kernel
+ *	instead of the normal `reti' (this is because the CPU not correctly
+ *	single-step after a reti).  In this case, of course, this handler
+ *	never returns to the caller.
+ *
+ * In either case, all registers should have been saved to the current
+ * state-save-frame on the stack, except for callee-saved registers.
+ *
+ * [These two different cases are combined merely to avoid bloating the
+ * macro-inlined code, not because they really make much sense together!]
+ */
+L_ENTRY(handle_signal_or_ptrace_return):
+	cmp	r18, r0			// See if handling a signal
+	bz	1f			// ... nope, go do ptrace return
+
+	// Handle a signal
+	mov	lp, r20			// Save link-pointer
+	mov	r10, r21		// Save return-values (for trap)
+	mov	r11, r22
+
+	movea	PTO, sp, r6		// Arg 1: struct pt_regs *regs
+	mov	r0, r7			// Arg 2: sigset_t *oldset
+	jarl	CSYM(do_signal), lp	// Handle the signal
+	di				// sig handling enables interrupts
+
+	mov	r20, lp			// Restore link-pointer
+	mov	r21, r10		// Restore return-values (for trap)
+	mov	r22, r11
+	ld.w	TASK_PTRACE[CURRENT_TASK], r19  // check ptrace flags too
+	cmp	r19, r0
+	bnz	1f			// ... some set, so look more
+2:	jmp	[lp]			// ... none set, so return normally
+
+	// ptrace return
+1:	ld.w	PTO+PT_PSW[sp], r19	// Look at user-processes's flags
+	andi	0x0800, r19, r19	// See if single-step flag is set
+	bz	2b			// ... nope, return normally
+
+	// Return as if from a dbtrap insn
+	st.b	r0, KM			// Now officially in user state.
+	POP_STATE(DBTRAP)		// Restore regs
+	st.w	sp, KSP			// Save the kernel stack pointer.
+	ld.w	PT_GPR(GPR_SP)-PT_SIZE[sp], sp // Restore user stack pointer.
+	DBTRAP_RET			// Return from the trap/interrupt.
+END(handle_signal_or_ptrace_return)
+
+
+/*
+ * This is where we switch between two threads.  The arguments are:
+ *   r6 -- pointer to the struct thread for the `current' process
+ *   r7 -- pointer to the struct thread for the `new' process.
+ * when this function returns, it will return to the new thread.
+ */
+C_ENTRY(switch_thread):
+	// Return the previous task (r10 is not clobbered by restore below)
+	mov	CURRENT_TASK, r10
+	// First, push the current processor state on the stack
+	PUSH_STATE(SWITCH)
+	// Now save the location of the kernel stack pointer for this thread;
+	// since we've pushed all other state on the stack, this is enough to
+	// restore it all later.
+	st.w	sp, THREAD_KSP[r6]
+	// Now restore the stack pointer from the new process
+	ld.w	THREAD_KSP[r7], sp
+	// ... and restore all state from that
+	POP_STATE(SWITCH)
+	// Update the current task pointer
+	GET_CURRENT_TASK(CURRENT_TASK)
+	// Now return into the new thread
+	jmp	[lp]
+C_END(switch_thread)
+
+
+	.data
+
+	.align 4
+C_DATA(trap_table):
+	.long bad_trap_wrapper		// trap 0, doesn't use trap table.
+	.long syscall_long		// trap 1, `long' syscall.
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+	.long bad_trap_wrapper
+C_END(trap_table)
+
+
+	.section .rodata
+
+	.align 4
+C_DATA(sys_call_table):
+	.long CSYM(sys_restart_syscall)	// 0
+	.long CSYM(sys_exit)
+	.long sys_fork_wrapper
+	.long CSYM(sys_read)
+	.long CSYM(sys_write)
+	.long CSYM(sys_open)		// 5
+	.long CSYM(sys_close)
+	.long CSYM(sys_waitpid)
+	.long CSYM(sys_creat)
+	.long CSYM(sys_link)
+	.long CSYM(sys_unlink)		// 10
+	.long sys_execve_wrapper
+	.long CSYM(sys_chdir)
+	.long CSYM(sys_time)
+	.long CSYM(sys_mknod)
+	.long CSYM(sys_chmod)		// 15
+	.long CSYM(sys_chown)
+	.long CSYM(sys_ni_syscall)	// was: break
+	.long CSYM(sys_ni_syscall)	// was: oldstat (aka stat)
+	.long CSYM(sys_lseek)
+	.long CSYM(sys_getpid)		// 20
+	.long CSYM(sys_mount)
+	.long CSYM(sys_oldumount)
+	.long CSYM(sys_setuid)
+	.long CSYM(sys_getuid)
+	.long CSYM(sys_stime)		// 25
+	.long CSYM(sys_ptrace)
+	.long CSYM(sys_alarm)
+	.long CSYM(sys_ni_syscall)	// was: oldfstat (aka fstat)
+	.long CSYM(sys_pause)
+	.long CSYM(sys_utime)		// 30
+	.long CSYM(sys_ni_syscall)	// was: stty
+	.long CSYM(sys_ni_syscall)	// was: gtty
+	.long CSYM(sys_access)
+	.long CSYM(sys_nice)
+	.long CSYM(sys_ni_syscall)	// 35, was: ftime
+	.long CSYM(sys_sync)
+	.long CSYM(sys_kill)
+	.long CSYM(sys_rename)
+	.long CSYM(sys_mkdir)
+	.long CSYM(sys_rmdir)		// 40
+	.long CSYM(sys_dup)
+	.long CSYM(sys_pipe)
+	.long CSYM(sys_times)
+	.long CSYM(sys_ni_syscall)	// was: prof
+	.long CSYM(sys_brk)		// 45
+	.long CSYM(sys_setgid)
+	.long CSYM(sys_getgid)
+	.long CSYM(sys_signal)
+	.long CSYM(sys_geteuid)
+	.long CSYM(sys_getegid)		// 50
+	.long CSYM(sys_acct)
+	.long CSYM(sys_umount)		// recycled never used phys()
+	.long CSYM(sys_ni_syscall)	// was: lock
+	.long CSYM(sys_ioctl)
+	.long CSYM(sys_fcntl)		// 55
+	.long CSYM(sys_ni_syscall)	// was: mpx
+	.long CSYM(sys_setpgid)
+	.long CSYM(sys_ni_syscall)	// was: ulimit
+	.long CSYM(sys_ni_syscall)
+	.long CSYM(sys_umask)		// 60
+	.long CSYM(sys_chroot)
+	.long CSYM(sys_ustat)
+	.long CSYM(sys_dup2)
+	.long CSYM(sys_getppid)
+	.long CSYM(sys_getpgrp)		// 65
+	.long CSYM(sys_setsid)
+	.long CSYM(sys_sigaction)
+	.long CSYM(sys_sgetmask)
+	.long CSYM(sys_ssetmask)
+	.long CSYM(sys_setreuid)	// 70
+	.long CSYM(sys_setregid)
+	.long sys_sigsuspend_wrapper
+	.long CSYM(sys_sigpending)
+	.long CSYM(sys_sethostname)
+	.long CSYM(sys_setrlimit)	// 75
+	.long CSYM(sys_getrlimit)
+	.long CSYM(sys_getrusage)
+	.long CSYM(sys_gettimeofday)
+	.long CSYM(sys_settimeofday)
+	.long CSYM(sys_getgroups)	// 80
+	.long CSYM(sys_setgroups)
+	.long CSYM(sys_select)
+	.long CSYM(sys_symlink)
+	.long CSYM(sys_ni_syscall)	// was: oldlstat (aka lstat)
+	.long CSYM(sys_readlink)	// 85
+	.long CSYM(sys_uselib)
+	.long CSYM(sys_swapon)
+	.long CSYM(sys_reboot)
+	.long CSYM(old_readdir)
+	.long CSYM(sys_mmap)		// 90
+	.long CSYM(sys_munmap)
+	.long CSYM(sys_truncate)
+	.long CSYM(sys_ftruncate)
+	.long CSYM(sys_fchmod)
+	.long CSYM(sys_fchown)		// 95
+	.long CSYM(sys_getpriority)
+	.long CSYM(sys_setpriority)
+	.long CSYM(sys_ni_syscall)	// was: profil
+	.long CSYM(sys_statfs)
+	.long CSYM(sys_fstatfs)		// 100
+	.long CSYM(sys_ni_syscall)	// i386: ioperm
+	.long CSYM(sys_socketcall)
+	.long CSYM(sys_syslog)
+	.long CSYM(sys_setitimer)
+	.long CSYM(sys_getitimer)	// 105
+	.long CSYM(sys_newstat)
+	.long CSYM(sys_newlstat)
+	.long CSYM(sys_newfstat)
+	.long CSYM(sys_ni_syscall)	// was: olduname (aka uname)
+	.long CSYM(sys_ni_syscall)	// 110, i386: iopl
+	.long CSYM(sys_vhangup)
+	.long CSYM(sys_ni_syscall)	// was: idle
+	.long CSYM(sys_ni_syscall)	// i386: vm86old
+	.long CSYM(sys_wait4)
+	.long CSYM(sys_swapoff)		// 115
+	.long CSYM(sys_sysinfo)
+	.long CSYM(sys_ipc)
+	.long CSYM(sys_fsync)
+	.long sys_sigreturn_wrapper
+	.long sys_clone_wrapper		// 120
+	.long CSYM(sys_setdomainname)
+	.long CSYM(sys_newuname)
+	.long CSYM(sys_ni_syscall)	// i386: modify_ldt, m68k: cacheflush
+	.long CSYM(sys_adjtimex)
+	.long CSYM(sys_ni_syscall)	// 125 - sys_mprotect
+	.long CSYM(sys_sigprocmask)
+	.long CSYM(sys_ni_syscall)	// sys_create_module
+	.long CSYM(sys_init_module)
+	.long CSYM(sys_delete_module)
+	.long CSYM(sys_ni_syscall)	// 130 - sys_get_kernel_syms
+	.long CSYM(sys_quotactl)
+	.long CSYM(sys_getpgid)
+	.long CSYM(sys_fchdir)
+	.long CSYM(sys_bdflush)
+	.long CSYM(sys_sysfs)		// 135
+	.long CSYM(sys_personality)
+	.long CSYM(sys_ni_syscall)	// for afs_syscall
+	.long CSYM(sys_setfsuid)
+	.long CSYM(sys_setfsgid)
+	.long CSYM(sys_llseek)		// 140
+	.long CSYM(sys_getdents)
+	.long CSYM(sys_select)		// for backward compat; remove someday
+	.long CSYM(sys_flock)
+	.long CSYM(sys_ni_syscall)	// sys_msync
+	.long CSYM(sys_readv)		// 145
+	.long CSYM(sys_writev)
+	.long CSYM(sys_getsid)
+	.long CSYM(sys_fdatasync)
+	.long CSYM(sys_sysctl)
+	.long CSYM(sys_ni_syscall)	// 150 - sys_mlock
+	.long CSYM(sys_ni_syscall)	// sys_munlock
+	.long CSYM(sys_ni_syscall)	// sys_mlockall
+	.long CSYM(sys_ni_syscall)	// sys_munlockall
+	.long CSYM(sys_sched_setparam)
+	.long CSYM(sys_sched_getparam)	// 155
+	.long CSYM(sys_sched_setscheduler)
+	.long CSYM(sys_sched_getscheduler)
+	.long CSYM(sys_sched_yield)
+	.long CSYM(sys_sched_get_priority_max)
+	.long CSYM(sys_sched_get_priority_min)	// 160
+	.long CSYM(sys_sched_rr_get_interval)
+	.long CSYM(sys_nanosleep)
+	.long CSYM(sys_ni_syscall)	// sys_mremap
+	.long CSYM(sys_setresuid)
+	.long CSYM(sys_getresuid)	// 165
+	.long CSYM(sys_ni_syscall)	// for vm86
+	.long CSYM(sys_ni_syscall)	// sys_query_module
+	.long CSYM(sys_poll)
+	.long CSYM(sys_nfsservctl)
+	.long CSYM(sys_setresgid)	// 170
+	.long CSYM(sys_getresgid)
+	.long CSYM(sys_prctl)
+	.long sys_rt_sigreturn_wrapper
+	.long CSYM(sys_rt_sigaction)
+	.long CSYM(sys_rt_sigprocmask)	// 175
+	.long CSYM(sys_rt_sigpending)
+	.long CSYM(sys_rt_sigtimedwait)
+	.long CSYM(sys_rt_sigqueueinfo)
+	.long sys_rt_sigsuspend_wrapper
+	.long CSYM(sys_pread64)		// 180
+	.long CSYM(sys_pwrite64)
+	.long CSYM(sys_lchown)
+	.long CSYM(sys_getcwd)
+	.long CSYM(sys_capget)
+	.long CSYM(sys_capset)		// 185
+	.long CSYM(sys_sigaltstack)
+	.long CSYM(sys_sendfile)
+	.long CSYM(sys_ni_syscall)	// streams1
+	.long CSYM(sys_ni_syscall)	// streams2
+	.long sys_vfork_wrapper		// 190
+	.long CSYM(sys_ni_syscall)
+	.long CSYM(sys_mmap2)
+	.long CSYM(sys_truncate64)
+	.long CSYM(sys_ftruncate64)
+	.long CSYM(sys_stat64)		// 195
+	.long CSYM(sys_lstat64)
+	.long CSYM(sys_fstat64)
+	.long CSYM(sys_fcntl64)
+	.long CSYM(sys_getdents64)
+	.long CSYM(sys_pivot_root)	// 200
+	.long CSYM(sys_gettid)
+	.long CSYM(sys_tkill)
+sys_call_table_end:
+C_END(sys_call_table)