diff options
Diffstat (limited to 'arch/c6x/kernel/switch_to.S')
-rw-r--r-- | arch/c6x/kernel/switch_to.S | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/c6x/kernel/switch_to.S b/arch/c6x/kernel/switch_to.S deleted file mode 100644 index b7f9f607042e..000000000000 --- a/arch/c6x/kernel/switch_to.S +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2011 Texas Instruments Incorporated - * Author: Mark Salter (msalter@redhat.com) - */ - -#include <linux/linkage.h> -#include <asm/asm-offsets.h> - -#define SP B15 - - /* - * void __switch_to(struct thread_info *prev, - * struct thread_info *next, - * struct task_struct *tsk) ; - */ -ENTRY(__switch_to) - LDDW .D2T2 *+B4(THREAD_B15_14),B7:B6 - || MV .L2X A4,B5 ; prev - || MV .L1X B4,A5 ; next - || MVC .S2 RILC,B1 - - STW .D2T2 B3,*+B5(THREAD_PC) - || STDW .D1T1 A13:A12,*+A4(THREAD_A13_12) - || MVC .S2 ILC,B0 - - LDW .D2T2 *+B4(THREAD_PC),B3 - || LDDW .D1T1 *+A5(THREAD_A13_12),A13:A12 - - STDW .D1T1 A11:A10,*+A4(THREAD_A11_10) - || STDW .D2T2 B1:B0,*+B5(THREAD_RICL_ICL) -#ifndef __DSBT__ - || MVKL .S2 current_ksp,B1 -#endif - - STDW .D2T2 B15:B14,*+B5(THREAD_B15_14) - || STDW .D1T1 A15:A14,*+A4(THREAD_A15_14) -#ifndef __DSBT__ - || MVKH .S2 current_ksp,B1 -#endif - - ;; Switch to next SP - MV .S2 B7,SP -#ifdef __DSBT__ - || STW .D2T2 B7,*+B14(current_ksp) -#else - || STW .D2T2 B7,*B1 - || MV .L2 B6,B14 -#endif - || LDDW .D1T1 *+A5(THREAD_RICL_ICL),A1:A0 - - STDW .D2T2 B11:B10,*+B5(THREAD_B11_10) - || LDDW .D1T1 *+A5(THREAD_A15_14),A15:A14 - - STDW .D2T2 B13:B12,*+B5(THREAD_B13_12) - || LDDW .D1T1 *+A5(THREAD_A11_10),A11:A10 - - B .S2 B3 ; return in next E1 - || LDDW .D2T2 *+B4(THREAD_B13_12),B13:B12 - - LDDW .D2T2 *+B4(THREAD_B11_10),B11:B10 - NOP - - MV .L2X A0,B0 - || MV .S1 A6,A4 - - MVC .S2 B0,ILC - || MV .L2X A1,B1 - - MVC .S2 B1,RILC -ENDPROC(__switch_to) |