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-rw-r--r--arch/blackfin/include/asm/entry.h380
1 files changed, 0 insertions, 380 deletions
diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h
deleted file mode 100644
index e20d73fce0..0000000000
--- a/arch/blackfin/include/asm/entry.h
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
- * barebox - entry.h Routines for context saving and restoring
- *
- * Copyright (c) 2005 blackfin.uclinux.org
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __BLACKFIN_ENTRY_H
-#define __BLACKFIN_ENTRY_H
-
-#include <asm/setup.h>
-#include <asm/page.h>
-
-/*
- * Stack layout in 'ret_from_exception':
- *
- */
-
-/*
- * Register %p2 is now set to the current task throughout
- * the whole kernel.
- */
-
-#ifdef __ASSEMBLY__
-
-#define LFLUSH_I_AND_D 0x00000808
-#define LSIGTRAP 5
-
-/* process bits for task_struct.flags */
-#define PF_TRACESYS_OFF 3
-#define PF_TRACESYS_BIT 5
-#define PF_PTRACED_OFF 3
-#define PF_PTRACED_BIT 4
-#define PF_DTRACE_OFF 1
-#define PF_DTRACE_BIT 5
-
-#define NEW_PT_REGS
-
-#if defined(NEW_PT_REGS)
-
-#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
-
-#else
-
-#define SAVE_ALL_INT save_all_int
-#define SAVE_ALL_SYS save_all_sys
-#define SAVE_CONTEXT save_context
-#define RESTORE_ALL restore_context
-#define RESTORE_CONTEXT restore_context
-
-#endif
-
-/*
- * 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;
- [--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;
- [--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
-
-#if !defined(NEW_PT_REGS)
-/*
- * a -1 in the orig_r0 field signifies
- * that the stack frame is NOT for syscall
- */
-.macro save_all_int
-/* reserved and disable the single step of SYSCFG, by Steven Chen 03/07/10 */
- [--sp] = r0;
- r0.l = 0x30; /* Errata for BF533 */
- r0.h = 0x0;
- syscfg = r0; /* disable single step flag in SYSCFG */
- r0 = [sp++];
- [--sp] = syscfg; /* store SYSCFG */
-
- [--sp] = r0; /* Reserved for IPEND */
- [--sp] = fp;
- [--sp] = usp;
- [--sp] = r0;
-
- [--sp] = r0;
- r0 = [sp + 8];
- [--sp] = a0.x;
- [--sp] = a1.x;
- [--sp] = a0.w;
- [--sp] = a1.w;
- [--sp] = rets;
- [--sp] = astat;
- [--sp] = seqstat;
- [--sp] = retx; /* current pc when exception happens */
- [--sp] = ( r7:5, p5:0 );
- [--sp] = r1;
- [--sp] = r2;
- [--sp] = r4;
- [--sp] = r3;
-.endm
-
-.macro save_all_sys
- [--sp] = r0;
- [--sp] = r0;
- [--sp] = a0.x;
- [--sp] = a1.x;
- [--sp] = a0.w;
- [--sp] = a1.w;
- [--sp] = rets;
- [--sp] = astat;
- [--sp] = seqstat;
- [--sp] = retx; /* current pc when exception happens */
- [--sp] = ( r7:5, p5:0 );
- [--sp] = r1;
- [--sp] = r2;
- [--sp] = r4;
- [--sp] = r3;
-.endm
-
-.macro restore_all
- r3 = [sp++];
- r4 = [sp++];
- r2 = [sp++];
- r1 = [sp++];
- ( r7:5, p5:0 ) = [sp++];
- retx = [sp++];
- seqstat = [sp++];
- astat = [sp++];
- rets = [sp++];
- a1.w = [sp++];
- a0.w = [sp++];
- a1.x = [sp++];
- a0.x = [sp++];
- sp += 4; /* orig r0 */
- r0 = [sp++];
-
- sp += 4;
- fp = [sp++];
- sp +=4; /* Skip the IPEND */
-
- syscfg = [sp++];
-
-.endm
-
-#endif
-
-#define STR(X) STR1(X)
-#define STR1(X) #X
-
-#if defined(NEW_PT_REGS)
-
-#define PT_OFF_ORIG_R0 208
-#define PT_OFF_SR 8
-
-#else
-
-#define PT_OFF_ORIG_R0 0x54
-#define PT_OFF_SR 0x38 /* seqstat in pt_regs */
-
-#endif
-#endif
-
-#endif
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