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-rw-r--r--arch/blackfin/include/asm/entry.h178
1 files changed, 0 insertions, 178 deletions
diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h
deleted file mode 100644
index 4104d5783e2c..000000000000
--- a/arch/blackfin/include/asm/entry.h
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef __BFIN_ENTRY_H
-#define __BFIN_ENTRY_H
-
-#include <asm/setup.h>
-#include <asm/page.h>
-
-#ifdef __ASSEMBLY__
-
-#define LFLUSH_I_AND_D 0x00000808
-#define LSIGTRAP 5
-
-/*
- * NOTE! The single-stepping code assumes that all interrupt handlers
- * start by saving SYSCFG on the stack with their first instruction.
- */
-
-/* This one is used for exceptions, emulation, and NMI. It doesn't push
- RETI and doesn't do cli. */
-#define SAVE_ALL_SYS save_context_no_interrupts
-/* This is used for all normal interrupts. It saves a minimum of registers
- to the stack, loads the IRQ number, and jumps to common code. */
-#ifdef CONFIG_IPIPE
-# define LOAD_IPIPE_IPEND \
- P0.l = lo(IPEND); \
- P0.h = hi(IPEND); \
- R1 = [P0];
-#else
-# define LOAD_IPIPE_IPEND
-#endif
-
-/*
- * Workaround for anomalies 05000283 and 05000315
- */
-#if ANOMALY_05000283 || ANOMALY_05000315
-# define ANOMALY_283_315_WORKAROUND(preg, dreg) \
- cc = dreg == dreg; \
- preg.h = HI(CHIPID); \
- preg.l = LO(CHIPID); \
- if cc jump 1f; \
- dreg.l = W[preg]; \
-1:
-#else
-# define ANOMALY_283_315_WORKAROUND(preg, dreg)
-#endif /* ANOMALY_05000283 || ANOMALY_05000315 */
-
-#ifndef CONFIG_EXACT_HWERR
-/* As a debugging aid - we save IPEND when DEBUG_KERNEL is on,
- * otherwise it is a waste of cycles.
- */
-# ifndef CONFIG_DEBUG_KERNEL
-#define INTERRUPT_ENTRY(N) \
- [--sp] = SYSCFG; \
- [--sp] = P0; /*orig_p0*/ \
- [--sp] = R0; /*orig_r0*/ \
- [--sp] = (R7:0,P5:0); \
- R0 = (N); \
- LOAD_IPIPE_IPEND \
- jump __common_int_entry;
-# else /* CONFIG_DEBUG_KERNEL */
-#define INTERRUPT_ENTRY(N) \
- [--sp] = SYSCFG; \
- [--sp] = P0; /*orig_p0*/ \
- [--sp] = R0; /*orig_r0*/ \
- [--sp] = (R7:0,P5:0); \
- p0.l = lo(IPEND); \
- p0.h = hi(IPEND); \
- r1 = [p0]; \
- R0 = (N); \
- LOAD_IPIPE_IPEND \
- jump __common_int_entry;
-# endif /* CONFIG_DEBUG_KERNEL */
-
-/* For timer interrupts, we need to save IPEND, since the user_mode
- *macro accesses it to determine where to account time.
- */
-#define TIMER_INTERRUPT_ENTRY(N) \
- [--sp] = SYSCFG; \
- [--sp] = P0; /*orig_p0*/ \
- [--sp] = R0; /*orig_r0*/ \
- [--sp] = (R7:0,P5:0); \
- p0.l = lo(IPEND); \
- p0.h = hi(IPEND); \
- r1 = [p0]; \
- R0 = (N); \
- jump __common_int_entry;
-#else /* CONFIG_EXACT_HWERR is defined */
-
-/* if we want hardware error to be exact, we need to do a SSYNC (which forces
- * read/writes to complete to the memory controllers), and check to see that
- * caused a pending HW error condition. If so, we assume it was caused by user
- * space, by setting the same interrupt that we are in (so it goes off again)
- * and context restore, and a RTI (without servicing anything). This should
- * cause the pending HWERR to fire, and when that is done, this interrupt will
- * be re-serviced properly.
- * As you can see by the code - we actually need to do two SSYNCS - one to
- * make sure the read/writes complete, and another to make sure the hardware
- * error is recognized by the core.
- *
- * The extra nop before the SSYNC is to make sure we work around 05000244,
- * since the 283/315 workaround includes a branch to the end
- */
-#define INTERRUPT_ENTRY(N) \
- [--sp] = SYSCFG; \
- [--sp] = P0; /*orig_p0*/ \
- [--sp] = R0; /*orig_r0*/ \
- [--sp] = (R7:0,P5:0); \
- R1 = ASTAT; \
- ANOMALY_283_315_WORKAROUND(p0, r0) \
- P0.L = LO(ILAT); \
- P0.H = HI(ILAT); \
- NOP; \
- SSYNC; \
- SSYNC; \
- R0 = [P0]; \
- CC = BITTST(R0, EVT_IVHW_P); \
- IF CC JUMP 1f; \
- ASTAT = R1; \
- p0.l = lo(IPEND); \
- p0.h = hi(IPEND); \
- r1 = [p0]; \
- R0 = (N); \
- LOAD_IPIPE_IPEND \
- jump __common_int_entry; \
-1: ASTAT = R1; \
- RAISE N; \
- (R7:0, P5:0) = [SP++]; \
- SP += 0x8; \
- SYSCFG = [SP++]; \
- CSYNC; \
- RTI;
-
-#define TIMER_INTERRUPT_ENTRY(N) \
- [--sp] = SYSCFG; \
- [--sp] = P0; /*orig_p0*/ \
- [--sp] = R0; /*orig_r0*/ \
- [--sp] = (R7:0,P5:0); \
- R1 = ASTAT; \
- ANOMALY_283_315_WORKAROUND(p0, r0) \
- P0.L = LO(ILAT); \
- P0.H = HI(ILAT); \
- NOP; \
- SSYNC; \
- SSYNC; \
- R0 = [P0]; \
- CC = BITTST(R0, EVT_IVHW_P); \
- IF CC JUMP 1f; \
- ASTAT = R1; \
- p0.l = lo(IPEND); \
- p0.h = hi(IPEND); \
- r1 = [p0]; \
- R0 = (N); \
- jump __common_int_entry; \
-1: ASTAT = R1; \
- RAISE N; \
- (R7:0, P5:0) = [SP++]; \
- SP += 0x8; \
- SYSCFG = [SP++]; \
- CSYNC; \
- RTI;
-#endif /* CONFIG_EXACT_HWERR */
-
-/* This one pushes RETI without using CLI. Interrupts are enabled. */
-#define SAVE_CONTEXT_SYSCALL save_context_syscall
-#define SAVE_CONTEXT save_context_with_interrupts
-#define SAVE_CONTEXT_CPLB save_context_cplb
-
-#define RESTORE_ALL_SYS restore_context_no_interrupts
-#define RESTORE_CONTEXT restore_context_with_interrupts
-#define RESTORE_CONTEXT_CPLB restore_context_cplb
-
-#endif /* __ASSEMBLY__ */
-#endif /* __BFIN_ENTRY_H */
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