diff options
Diffstat (limited to 'arch/blackfin/include/asm/entry.h')
| -rw-r--r-- | arch/blackfin/include/asm/entry.h | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h deleted file mode 100644 index 98fe79c93c..0000000000 --- a/arch/blackfin/include/asm/entry.h +++ /dev/null @@ -1,243 +0,0 @@ -/* - * entry.h - routines for context saving and restoring (for interrupts/exceptions) - * - * Copyright (c) 2005-2007 Analog Devices Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __BLACKFIN_ENTRY_H -#define __BLACKFIN_ENTRY_H -#ifdef __ASSEMBLY__ - -#define SAVE_ALL_INT save_context_no_interrupts -#define SAVE_ALL_SYS save_context_no_interrupts -#define SAVE_CONTEXT save_context_with_interrupts - -#define RESTORE_ALL restore_context_no_interrupts -#define RESTORE_ALL_SYS restore_context_no_interrupts -#define RESTORE_CONTEXT restore_context_with_interrupts - -/* - * Code to save processor context. - * We even save the register which are preserved by a function call - * - r4, r5, r6, r7, p3, p4, p5 - */ -.macro save_context_with_interrupts - [--sp] = R0; - [--sp] = ( R7:0, P5:0 ); - [--sp] = fp; - [--sp] = usp; - - [--sp] = i0; - [--sp] = i1; - [--sp] = i2; - [--sp] = i3; - - [--sp] = m0; - [--sp] = m1; - [--sp] = m2; - [--sp] = m3; - - [--sp] = l0; - [--sp] = l1; - [--sp] = l2; - [--sp] = l3; - - [--sp] = b0; - [--sp] = b1; - [--sp] = b2; - [--sp] = b3; - [--sp] = a0.x; - [--sp] = a0.w; - [--sp] = a1.x; - [--sp] = a1.w; - - [--sp] = LC0; - [--sp] = LC1; - [--sp] = LT0; - [--sp] = LT1; - [--sp] = LB0; - [--sp] = LB1; - - [--sp] = ASTAT; - - [--sp] = r0; /* Skip reserved */ - [--sp] = RETS; - [--sp] = RETI; - [--sp] = RETX; - [--sp] = RETN; - [--sp] = RETE; - [--sp] = SEQSTAT; - [--sp] = SYSCFG; -#ifdef CONFIG_CMD_KGDB - p0.l = lo(IPEND) - p0.h = hi(IPEND) - r0 = [p0]; -#endif - [--sp] = r0; /* Skip IPEND as well. */ -.endm - -.macro save_context_no_interrupts - [--sp] = R0; - [--sp] = ( R7:0, P5:0 ); - [--sp] = fp; - [--sp] = usp; - - [--sp] = i0; - [--sp] = i1; - [--sp] = i2; - [--sp] = i3; - - [--sp] = m0; - [--sp] = m1; - [--sp] = m2; - [--sp] = m3; - - [--sp] = l0; - [--sp] = l1; - [--sp] = l2; - [--sp] = l3; - - [--sp] = b0; - [--sp] = b1; - [--sp] = b2; - [--sp] = b3; - [--sp] = a0.x; - [--sp] = a0.w; - [--sp] = a1.x; - [--sp] = a1.w; - - [--sp] = LC0; - [--sp] = LC1; - [--sp] = LT0; - [--sp] = LT1; - [--sp] = LB0; - [--sp] = LB1; - - [--sp] = ASTAT; - - [--sp] = r0; /* Skip reserved */ - [--sp] = RETS; - r0 = RETI; - [--sp] = r0; - [--sp] = RETX; - [--sp] = RETN; - [--sp] = RETE; - [--sp] = SEQSTAT; - [--sp] = SYSCFG; -#ifdef CONFIG_CMD_KGDB - p0.l = lo(IPEND) - p0.h = hi(IPEND) - r0 = [p0]; -#endif - [--sp] = r0; /* Skip IPEND as well. */ -.endm - -.macro restore_context_no_interrupts - sp += 4; - SYSCFG = [sp++]; - SEQSTAT = [sp++]; - RETE = [sp++]; - RETN = [sp++]; - RETX = [sp++]; - r0 = [sp++]; - RETI = r0; - RETS = [sp++]; - - sp += 4; - - ASTAT = [sp++]; - - LB1 = [sp++]; - LB0 = [sp++]; - LT1 = [sp++]; - LT0 = [sp++]; - LC1 = [sp++]; - LC0 = [sp++]; - - a1.w = [sp++]; - a1.x = [sp++]; - a0.w = [sp++]; - a0.x = [sp++]; - b3 = [sp++]; - b2 = [sp++]; - b1 = [sp++]; - b0 = [sp++]; - - l3 = [sp++]; - l2 = [sp++]; - l1 = [sp++]; - l0 = [sp++]; - - m3 = [sp++]; - m2 = [sp++]; - m1 = [sp++]; - m0 = [sp++]; - - i3 = [sp++]; - i2 = [sp++]; - i1 = [sp++]; - i0 = [sp++]; - - sp += 4; - fp = [sp++]; - - ( R7 : 0, P5 : 0) = [ SP ++ ]; - sp += 4; -.endm - -.macro restore_context_with_interrupts - sp += 4; - SYSCFG = [sp++]; - SEQSTAT = [sp++]; - RETE = [sp++]; - RETN = [sp++]; - RETX = [sp++]; - RETI = [sp++]; - RETS = [sp++]; - - sp += 4; - - ASTAT = [sp++]; - - LB1 = [sp++]; - LB0 = [sp++]; - LT1 = [sp++]; - LT0 = [sp++]; - LC1 = [sp++]; - LC0 = [sp++]; - - a1.w = [sp++]; - a1.x = [sp++]; - a0.w = [sp++]; - a0.x = [sp++]; - b3 = [sp++]; - b2 = [sp++]; - b1 = [sp++]; - b0 = [sp++]; - - l3 = [sp++]; - l2 = [sp++]; - l1 = [sp++]; - l0 = [sp++]; - - m3 = [sp++]; - m2 = [sp++]; - m1 = [sp++]; - m0 = [sp++]; - - i3 = [sp++]; - i2 = [sp++]; - i1 = [sp++]; - i0 = [sp++]; - - sp += 4; - fp = [sp++]; - - ( R7 : 0, P5 : 0) = [ SP ++ ]; - sp += 4; -.endm - -#endif -#endif |