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diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S
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--- a/arch/c6x/kernel/entry.S
+++ /dev/null
@@ -1,736 +0,0 @@
-; SPDX-License-Identifier: GPL-2.0-only
-;
-; Port on Texas Instruments TMS320C6x architecture
-;
-; Copyright (C) 2004-2011 Texas Instruments Incorporated
-; Author: Aurelien Jacquiot (aurelien.jacquiot@virtuallogix.com)
-; Updated for 2.6.34: Mark Salter <msalter@redhat.com>
-;
-
-#include <linux/sys.h>
-#include <linux/linkage.h>
-#include <asm/thread_info.h>
-#include <asm/asm-offsets.h>
-#include <asm/unistd.h>
-#include <asm/errno.h>
-
-; Registers naming
-#define DP B14
-#define SP B15
-
-#ifndef CONFIG_PREEMPTION
-#define resume_kernel restore_all
-#endif
-
- .altmacro
-
- .macro MASK_INT reg
- MVC .S2 CSR,reg
- CLR .S2 reg,0,0,reg
- MVC .S2 reg,CSR
- .endm
-
- .macro UNMASK_INT reg
- MVC .S2 CSR,reg
- SET .S2 reg,0,0,reg
- MVC .S2 reg,CSR
- .endm
-
- .macro GET_THREAD_INFO reg
- SHR .S1X SP,THREAD_SHIFT,reg
- SHL .S1 reg,THREAD_SHIFT,reg
- .endm
-
- ;;
- ;; This defines the normal kernel pt_regs layout.
- ;;
- .macro SAVE_ALL __rp __tsr
- STW .D2T2 B0,*SP--[2] ; save original B0
- MVKL .S2 current_ksp,B0
- MVKH .S2 current_ksp,B0
- LDW .D2T2 *B0,B1 ; KSP
-
- NOP 3
- STW .D2T2 B1,*+SP[1] ; save original B1
- XOR .D2 SP,B1,B0 ; (SP ^ KSP)
- LDW .D2T2 *+SP[1],B1 ; restore B0/B1
- LDW .D2T2 *++SP[2],B0
- SHR .S2 B0,THREAD_SHIFT,B0 ; 0 if already using kstack
- [B0] STDW .D2T2 SP:DP,*--B1[1] ; user: save user sp/dp kstack
- [B0] MV .S2 B1,SP ; and switch to kstack
-||[!B0] STDW .D2T2 SP:DP,*--SP[1] ; kernel: save on current stack
-
- SUBAW .D2 SP,2,SP
-
- ADD .D1X SP,-8,A15
- || STDW .D2T1 A15:A14,*SP--[16] ; save A15:A14
-
- STDW .D2T2 B13:B12,*SP--[1]
- || STDW .D1T1 A13:A12,*A15--[1]
- || MVC .S2 __rp,B13
-
- STDW .D2T2 B11:B10,*SP--[1]
- || STDW .D1T1 A11:A10,*A15--[1]
- || MVC .S2 CSR,B12
-
- STDW .D2T2 B9:B8,*SP--[1]
- || STDW .D1T1 A9:A8,*A15--[1]
- || MVC .S2 RILC,B11
- STDW .D2T2 B7:B6,*SP--[1]
- || STDW .D1T1 A7:A6,*A15--[1]
- || MVC .S2 ILC,B10
-
- STDW .D2T2 B5:B4,*SP--[1]
- || STDW .D1T1 A5:A4,*A15--[1]
-
- STDW .D2T2 B3:B2,*SP--[1]
- || STDW .D1T1 A3:A2,*A15--[1]
- || MVC .S2 __tsr,B5
-
- STDW .D2T2 B1:B0,*SP--[1]
- || STDW .D1T1 A1:A0,*A15--[1]
- || MV .S1X B5,A5
-
- STDW .D2T2 B31:B30,*SP--[1]
- || STDW .D1T1 A31:A30,*A15--[1]
- STDW .D2T2 B29:B28,*SP--[1]
- || STDW .D1T1 A29:A28,*A15--[1]
- STDW .D2T2 B27:B26,*SP--[1]
- || STDW .D1T1 A27:A26,*A15--[1]
- STDW .D2T2 B25:B24,*SP--[1]
- || STDW .D1T1 A25:A24,*A15--[1]
- STDW .D2T2 B23:B22,*SP--[1]
- || STDW .D1T1 A23:A22,*A15--[1]
- STDW .D2T2 B21:B20,*SP--[1]
- || STDW .D1T1 A21:A20,*A15--[1]
- STDW .D2T2 B19:B18,*SP--[1]
- || STDW .D1T1 A19:A18,*A15--[1]
- STDW .D2T2 B17:B16,*SP--[1]
- || STDW .D1T1 A17:A16,*A15--[1]
-
- STDW .D2T2 B13:B12,*SP--[1] ; save PC and CSR
-
- STDW .D2T2 B11:B10,*SP--[1] ; save RILC and ILC
- STDW .D2T1 A5:A4,*SP--[1] ; save TSR and orig A4
-
- ;; We left an unused word on the stack just above pt_regs.
- ;; It is used to save whether or not this frame is due to
- ;; a syscall. It is cleared here, but the syscall handler
- ;; sets it to a non-zero value.
- MVK .L2 0,B1
- STW .D2T2 B1,*+SP(REGS__END+8) ; clear syscall flag
- .endm
-
- .macro RESTORE_ALL __rp __tsr
- LDDW .D2T2 *++SP[1],B9:B8 ; get TSR (B9)
- LDDW .D2T2 *++SP[1],B11:B10 ; get RILC (B11) and ILC (B10)
- LDDW .D2T2 *++SP[1],B13:B12 ; get PC (B13) and CSR (B12)
-
- ADDAW .D1X SP,30,A15
-
- LDDW .D1T1 *++A15[1],A17:A16
- || LDDW .D2T2 *++SP[1],B17:B16
- LDDW .D1T1 *++A15[1],A19:A18
- || LDDW .D2T2 *++SP[1],B19:B18
- LDDW .D1T1 *++A15[1],A21:A20
- || LDDW .D2T2 *++SP[1],B21:B20
- LDDW .D1T1 *++A15[1],A23:A22
- || LDDW .D2T2 *++SP[1],B23:B22
- LDDW .D1T1 *++A15[1],A25:A24
- || LDDW .D2T2 *++SP[1],B25:B24
- LDDW .D1T1 *++A15[1],A27:A26
- || LDDW .D2T2 *++SP[1],B27:B26
- LDDW .D1T1 *++A15[1],A29:A28
- || LDDW .D2T2 *++SP[1],B29:B28
- LDDW .D1T1 *++A15[1],A31:A30
- || LDDW .D2T2 *++SP[1],B31:B30
-
- LDDW .D1T1 *++A15[1],A1:A0
- || LDDW .D2T2 *++SP[1],B1:B0
-
- LDDW .D1T1 *++A15[1],A3:A2
- || LDDW .D2T2 *++SP[1],B3:B2
- || MVC .S2 B9,__tsr
- LDDW .D1T1 *++A15[1],A5:A4
- || LDDW .D2T2 *++SP[1],B5:B4
- || MVC .S2 B11,RILC
- LDDW .D1T1 *++A15[1],A7:A6
- || LDDW .D2T2 *++SP[1],B7:B6
- || MVC .S2 B10,ILC
-
- LDDW .D1T1 *++A15[1],A9:A8
- || LDDW .D2T2 *++SP[1],B9:B8
- || MVC .S2 B13,__rp
-
- LDDW .D1T1 *++A15[1],A11:A10
- || LDDW .D2T2 *++SP[1],B11:B10
- || MVC .S2 B12,CSR
-
- LDDW .D1T1 *++A15[1],A13:A12
- || LDDW .D2T2 *++SP[1],B13:B12
-
- MV .D2X A15,SP
- || MVKL .S1 current_ksp,A15
- MVKH .S1 current_ksp,A15
- || ADDAW .D1X SP,6,A14
- STW .D1T1 A14,*A15 ; save kernel stack pointer
-
- LDDW .D2T1 *++SP[1],A15:A14
-
- B .S2 __rp ; return from interruption
- LDDW .D2T2 *+SP[1],SP:DP
- NOP 4
- .endm
-
- .section .text
-
- ;;
- ;; Jump to schedule() then return to ret_from_exception
- ;;
-_reschedule:
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 schedule,A0
- MVKH .S1 schedule,A0
- B .S2X A0
-#else
- B .S1 schedule
-#endif
- ADDKPC .S2 ret_from_exception,B3,4
-
- ;;
- ;; Called before syscall handler when process is being debugged
- ;;
-tracesys_on:
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 syscall_trace_entry,A0
- MVKH .S1 syscall_trace_entry,A0
- B .S2X A0
-#else
- B .S1 syscall_trace_entry
-#endif
- ADDKPC .S2 ret_from_syscall_trace,B3,3
- ADD .S1X 8,SP,A4
-
-ret_from_syscall_trace:
- ;; tracing returns (possibly new) syscall number
- MV .D2X A4,B0
- || MVK .S2 __NR_syscalls,B1
- CMPLTU .L2 B0,B1,B1
-
- [!B1] BNOP .S2 ret_from_syscall_function,5
- || MVK .S1 -ENOSYS,A4
-
- ;; reload syscall args from (possibly modified) stack frame
- ;; and get syscall handler addr from sys_call_table:
- LDW .D2T2 *+SP(REGS_B4+8),B4
- || MVKL .S2 sys_call_table,B1
- LDW .D2T1 *+SP(REGS_A6+8),A6
- || MVKH .S2 sys_call_table,B1
- LDW .D2T2 *+B1[B0],B0
- || MVKL .S2 ret_from_syscall_function,B3
- LDW .D2T2 *+SP(REGS_B6+8),B6
- || MVKH .S2 ret_from_syscall_function,B3
- LDW .D2T1 *+SP(REGS_A8+8),A8
- LDW .D2T2 *+SP(REGS_B8+8),B8
- NOP
- ; B0 = sys_call_table[__NR_*]
- BNOP .S2 B0,5 ; branch to syscall handler
- || LDW .D2T1 *+SP(REGS_ORIG_A4+8),A4
-
-syscall_exit_work:
- AND .D1 _TIF_SYSCALL_TRACE,A2,A0
- [!A0] BNOP .S1 work_pending,5
- [A0] B .S2 syscall_trace_exit
- ADDKPC .S2 resume_userspace,B3,1
- MVC .S2 CSR,B1
- SET .S2 B1,0,0,B1
- MVC .S2 B1,CSR ; enable ints
-
-work_pending:
- AND .D1 _TIF_NEED_RESCHED,A2,A0
- [!A0] BNOP .S1 work_notifysig,5
-
-work_resched:
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 schedule,A1
- MVKH .S1 schedule,A1
- B .S2X A1
-#else
- B .S2 schedule
-#endif
- ADDKPC .S2 work_rescheduled,B3,4
-work_rescheduled:
- ;; make sure we don't miss an interrupt setting need_resched or
- ;; sigpending between sampling and the rti
- MASK_INT B2
- GET_THREAD_INFO A12
- LDW .D1T1 *+A12(THREAD_INFO_FLAGS),A2
- MVK .S1 _TIF_WORK_MASK,A1
- MVK .S1 _TIF_NEED_RESCHED,A3
- NOP 2
- AND .D1 A1,A2,A0
- || AND .S1 A3,A2,A1
- [!A0] BNOP .S1 restore_all,5
- [A1] BNOP .S1 work_resched,5
-
-work_notifysig:
- ;; enable interrupts for do_notify_resume()
- UNMASK_INT B2
- B .S2 do_notify_resume
- LDW .D2T1 *+SP(REGS__END+8),A6 ; syscall flag
- ADDKPC .S2 resume_userspace,B3,1
- ADD .S1X 8,SP,A4 ; pt_regs pointer is first arg
- MV .D2X A2,B4 ; thread_info flags is second arg
-
- ;;
- ;; On C64x+, the return way from exception and interrupt
- ;; is a little bit different
- ;;
-ENTRY(ret_from_exception)
-#ifdef CONFIG_PREEMPTION
- MASK_INT B2
-#endif
-
-ENTRY(ret_from_interrupt)
- ;;
- ;; Check if we are comming from user mode.
- ;;
- LDW .D2T2 *+SP(REGS_TSR+8),B0
- MVK .S2 0x40,B1
- NOP 3
- AND .D2 B0,B1,B0
- [!B0] BNOP .S2 resume_kernel,5
-
-resume_userspace:
- ;; make sure we don't miss an interrupt setting need_resched or
- ;; sigpending between sampling and the rti
- MASK_INT B2
- GET_THREAD_INFO A12
- LDW .D1T1 *+A12(THREAD_INFO_FLAGS),A2
- MVK .S1 _TIF_WORK_MASK,A1
- MVK .S1 _TIF_NEED_RESCHED,A3
- NOP 2
- AND .D1 A1,A2,A0
- [A0] BNOP .S1 work_pending,5
- BNOP .S1 restore_all,5
-
- ;;
- ;; System call handling
- ;; B0 = syscall number (in sys_call_table)
- ;; A4,B4,A6,B6,A8,B8 = arguments of the syscall function
- ;; A4 is the return value register
- ;;
-system_call_saved:
- MVK .L2 1,B2
- STW .D2T2 B2,*+SP(REGS__END+8) ; set syscall flag
- MVC .S2 B2,ECR ; ack the software exception
-
- UNMASK_INT B2 ; re-enable global IT
-
-system_call_saved_noack:
- ;; Check system call number
- MVK .S2 __NR_syscalls,B1
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKL .S1 sys_ni_syscall,A0
-#endif
- CMPLTU .L2 B0,B1,B1
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKH .S1 sys_ni_syscall,A0
-#endif
-
- ;; Check for ptrace
- GET_THREAD_INFO A12
-
-#ifdef CONFIG_C6X_BIG_KERNEL
- [!B1] B .S2X A0
-#else
- [!B1] B .S2 sys_ni_syscall
-#endif
- [!B1] ADDKPC .S2 ret_from_syscall_function,B3,4
-
- ;; Get syscall handler addr from sys_call_table
- ;; call tracesys_on or call syscall handler
- LDW .D1T1 *+A12(THREAD_INFO_FLAGS),A2
- || MVKL .S2 sys_call_table,B1
- MVKH .S2 sys_call_table,B1
- LDW .D2T2 *+B1[B0],B0
- NOP 2
- ; A2 = thread_info flags
- AND .D1 _TIF_SYSCALL_TRACE,A2,A2
- [A2] BNOP .S1 tracesys_on,5
- ;; B0 = _sys_call_table[__NR_*]
- B .S2 B0
- ADDKPC .S2 ret_from_syscall_function,B3,4
-
-ret_from_syscall_function:
- STW .D2T1 A4,*+SP(REGS_A4+8) ; save return value in A4
- ; original A4 is in orig_A4
-syscall_exit:
- ;; make sure we don't miss an interrupt setting need_resched or
- ;; sigpending between sampling and the rti
- MASK_INT B2
- LDW .D1T1 *+A12(THREAD_INFO_FLAGS),A2
- MVK .S1 _TIF_ALLWORK_MASK,A1
- NOP 3
- AND .D1 A1,A2,A2 ; check for work to do
- [A2] BNOP .S1 syscall_exit_work,5
-
-restore_all:
- RESTORE_ALL NRP,NTSR
-
- ;;
- ;; After a fork we jump here directly from resume,
- ;; so that A4 contains the previous task structure.
- ;;
-ENTRY(ret_from_fork)
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 schedule_tail,A0
- MVKH .S1 schedule_tail,A0
- B .S2X A0
-#else
- B .S2 schedule_tail
-#endif
- ADDKPC .S2 ret_from_fork_2,B3,4
-ret_from_fork_2:
- ;; return 0 in A4 for child process
- GET_THREAD_INFO A12
- BNOP .S2 syscall_exit,3
- MVK .L2 0,B0
- STW .D2T2 B0,*+SP(REGS_A4+8)
-ENDPROC(ret_from_fork)
-
-ENTRY(ret_from_kernel_thread)
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 schedule_tail,A0
- MVKH .S1 schedule_tail,A0
- B .S2X A0
-#else
- B .S2 schedule_tail
-#endif
- LDW .D2T2 *+SP(REGS_A0+8),B10 /* get fn */
- ADDKPC .S2 0f,B3,3
-0:
- B .S2 B10 /* call fn */
- LDW .D2T1 *+SP(REGS_A1+8),A4 /* get arg */
- ADDKPC .S2 ret_from_fork_2,B3,3
-ENDPROC(ret_from_kernel_thread)
-
- ;;
- ;; These are the interrupt handlers, responsible for calling c6x_do_IRQ()
- ;;
- .macro SAVE_ALL_INT
- SAVE_ALL IRP,ITSR
- .endm
-
- .macro CALL_INT int
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 c6x_do_IRQ,A0
- MVKH .S1 c6x_do_IRQ,A0
- BNOP .S2X A0,1
- MVK .S1 int,A4
- ADDAW .D2 SP,2,B4
- MVKL .S2 ret_from_interrupt,B3
- MVKH .S2 ret_from_interrupt,B3
-#else
- CALLP .S2 c6x_do_IRQ,B3
- || MVK .S1 int,A4
- || ADDAW .D2 SP,2,B4
- B .S1 ret_from_interrupt
- NOP 5
-#endif
- .endm
-
-ENTRY(_int4_handler)
- SAVE_ALL_INT
- CALL_INT 4
-ENDPROC(_int4_handler)
-
-ENTRY(_int5_handler)
- SAVE_ALL_INT
- CALL_INT 5
-ENDPROC(_int5_handler)
-
-ENTRY(_int6_handler)
- SAVE_ALL_INT
- CALL_INT 6
-ENDPROC(_int6_handler)
-
-ENTRY(_int7_handler)
- SAVE_ALL_INT
- CALL_INT 7
-ENDPROC(_int7_handler)
-
-ENTRY(_int8_handler)
- SAVE_ALL_INT
- CALL_INT 8
-ENDPROC(_int8_handler)
-
-ENTRY(_int9_handler)
- SAVE_ALL_INT
- CALL_INT 9
-ENDPROC(_int9_handler)
-
-ENTRY(_int10_handler)
- SAVE_ALL_INT
- CALL_INT 10
-ENDPROC(_int10_handler)
-
-ENTRY(_int11_handler)
- SAVE_ALL_INT
- CALL_INT 11
-ENDPROC(_int11_handler)
-
-ENTRY(_int12_handler)
- SAVE_ALL_INT
- CALL_INT 12
-ENDPROC(_int12_handler)
-
-ENTRY(_int13_handler)
- SAVE_ALL_INT
- CALL_INT 13
-ENDPROC(_int13_handler)
-
-ENTRY(_int14_handler)
- SAVE_ALL_INT
- CALL_INT 14
-ENDPROC(_int14_handler)
-
-ENTRY(_int15_handler)
- SAVE_ALL_INT
- CALL_INT 15
-ENDPROC(_int15_handler)
-
- ;;
- ;; Handler for uninitialized and spurious interrupts
- ;;
-ENTRY(_bad_interrupt)
- B .S2 IRP
- NOP 5
-ENDPROC(_bad_interrupt)
-
- ;;
- ;; Entry for NMI/exceptions/syscall
- ;;
-ENTRY(_nmi_handler)
- SAVE_ALL NRP,NTSR
-
- MVC .S2 EFR,B2
- CMPEQ .L2 1,B2,B2
- || MVC .S2 TSR,B1
- CLR .S2 B1,10,10,B1
- MVC .S2 B1,TSR
-#ifdef CONFIG_C6X_BIG_KERNEL
- [!B2] MVKL .S1 process_exception,A0
- [!B2] MVKH .S1 process_exception,A0
- [!B2] B .S2X A0
-#else
- [!B2] B .S2 process_exception
-#endif
- [B2] B .S2 system_call_saved
- [!B2] ADDAW .D2 SP,2,B1
- [!B2] MV .D1X B1,A4
- ADDKPC .S2 ret_from_trap,B3,2
-
-ret_from_trap:
- MV .D2X A4,B0
- [!B0] BNOP .S2 ret_from_exception,5
-
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S2 system_call_saved_noack,B3
- MVKH .S2 system_call_saved_noack,B3
-#endif
- LDW .D2T2 *+SP(REGS_B0+8),B0
- LDW .D2T1 *+SP(REGS_A4+8),A4
- LDW .D2T2 *+SP(REGS_B4+8),B4
- LDW .D2T1 *+SP(REGS_A6+8),A6
- LDW .D2T2 *+SP(REGS_B6+8),B6
- LDW .D2T1 *+SP(REGS_A8+8),A8
-#ifdef CONFIG_C6X_BIG_KERNEL
- || B .S2 B3
-#else
- || B .S2 system_call_saved_noack
-#endif
- LDW .D2T2 *+SP(REGS_B8+8),B8
- NOP 4
-ENDPROC(_nmi_handler)
-
- ;;
- ;; Jump to schedule() then return to ret_from_isr
- ;;
-#ifdef CONFIG_PREEMPTION
-resume_kernel:
- GET_THREAD_INFO A12
- LDW .D1T1 *+A12(THREAD_INFO_PREEMPT_COUNT),A1
- NOP 4
- [A1] BNOP .S2 restore_all,5
-
-preempt_schedule:
- GET_THREAD_INFO A2
- LDW .D1T1 *+A2(THREAD_INFO_FLAGS),A1
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S2 preempt_schedule_irq,B0
- MVKH .S2 preempt_schedule_irq,B0
- NOP 2
-#else
- NOP 4
-#endif
- AND .D1 _TIF_NEED_RESCHED,A1,A1
- [!A1] BNOP .S2 restore_all,5
-#ifdef CONFIG_C6X_BIG_KERNEL
- B .S2 B0
-#else
- B .S2 preempt_schedule_irq
-#endif
- ADDKPC .S2 preempt_schedule,B3,4
-#endif /* CONFIG_PREEMPTION */
-
-ENTRY(enable_exception)
- DINT
- MVC .S2 TSR,B0
- MVC .S2 B3,NRP
- MVK .L2 0xc,B1
- OR .D2 B0,B1,B0
- MVC .S2 B0,TSR ; Set GEE and XEN in TSR
- B .S2 NRP
- NOP 5
-ENDPROC(enable_exception)
-
- ;;
- ;; Special system calls
- ;; return address is in B3
- ;;
-ENTRY(sys_rt_sigreturn)
- ADD .D1X SP,8,A4
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKL .S1 do_rt_sigreturn,A0
- MVKH .S1 do_rt_sigreturn,A0
- BNOP .S2X A0,5
-#else
- || B .S2 do_rt_sigreturn
- NOP 5
-#endif
-ENDPROC(sys_rt_sigreturn)
-
-ENTRY(sys_pread_c6x)
- MV .D2X A8,B7
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKL .S1 sys_pread64,A0
- MVKH .S1 sys_pread64,A0
- BNOP .S2X A0,5
-#else
- || B .S2 sys_pread64
- NOP 5
-#endif
-ENDPROC(sys_pread_c6x)
-
-ENTRY(sys_pwrite_c6x)
- MV .D2X A8,B7
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKL .S1 sys_pwrite64,A0
- MVKH .S1 sys_pwrite64,A0
- BNOP .S2X A0,5
-#else
- || B .S2 sys_pwrite64
- NOP 5
-#endif
-ENDPROC(sys_pwrite_c6x)
-
-;; On Entry
-;; A4 - path
-;; B4 - offset_lo (LE), offset_hi (BE)
-;; A6 - offset_lo (BE), offset_hi (LE)
-ENTRY(sys_truncate64_c6x)
-#ifdef CONFIG_CPU_BIG_ENDIAN
- MV .S2 B4,B5
- MV .D2X A6,B4
-#else
- MV .D2X A6,B5
-#endif
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKL .S1 sys_truncate64,A0
- MVKH .S1 sys_truncate64,A0
- BNOP .S2X A0,5
-#else
- || B .S2 sys_truncate64
- NOP 5
-#endif
-ENDPROC(sys_truncate64_c6x)
-
-;; On Entry
-;; A4 - fd
-;; B4 - offset_lo (LE), offset_hi (BE)
-;; A6 - offset_lo (BE), offset_hi (LE)
-ENTRY(sys_ftruncate64_c6x)
-#ifdef CONFIG_CPU_BIG_ENDIAN
- MV .S2 B4,B5
- MV .D2X A6,B4
-#else
- MV .D2X A6,B5
-#endif
-#ifdef CONFIG_C6X_BIG_KERNEL
- || MVKL .S1 sys_ftruncate64,A0
- MVKH .S1 sys_ftruncate64,A0
- BNOP .S2X A0,5
-#else
- || B .S2 sys_ftruncate64
- NOP 5
-#endif
-ENDPROC(sys_ftruncate64_c6x)
-
-;; On Entry
-;; A4 - fd
-;; B4 - offset_lo (LE), offset_hi (BE)
-;; A6 - offset_lo (BE), offset_hi (LE)
-;; B6 - len_lo (LE), len_hi (BE)
-;; A8 - len_lo (BE), len_hi (LE)
-;; B8 - advice
-ENTRY(sys_fadvise64_64_c6x)
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 sys_fadvise64_64,A0
- MVKH .S1 sys_fadvise64_64,A0
- BNOP .S2X A0,2
-#else
- B .S2 sys_fadvise64_64
- NOP 2
-#endif
-#ifdef CONFIG_CPU_BIG_ENDIAN
- MV .L2 B4,B5
- || MV .D2X A6,B4
- MV .L1 A8,A6
- || MV .D1X B6,A7
-#else
- MV .D2X A6,B5
- MV .L1 A8,A7
- || MV .D1X B6,A6
-#endif
- MV .L2 B8,B6
-ENDPROC(sys_fadvise64_64_c6x)
-
-;; On Entry
-;; A4 - fd
-;; B4 - mode
-;; A6 - offset_hi
-;; B6 - offset_lo
-;; A8 - len_hi
-;; B8 - len_lo
-ENTRY(sys_fallocate_c6x)
-#ifdef CONFIG_C6X_BIG_KERNEL
- MVKL .S1 sys_fallocate,A0
- MVKH .S1 sys_fallocate,A0
- BNOP .S2X A0,1
-#else
- B .S2 sys_fallocate
- NOP
-#endif
- MV .D1 A6,A7
- MV .D1X B6,A6
- MV .D2X A8,B7
- MV .D2 B8,B6
-ENDPROC(sys_fallocate_c6x)
-
- ;; put this in .neardata for faster access when using DSBT mode
- .section .neardata,"aw",@progbits
- .global current_ksp
- .hidden current_ksp
-current_ksp:
- .word init_thread_union + THREAD_START_SP