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-rw-r--r--include/asm-powerpc/processor.h314
1 files changed, 0 insertions, 314 deletions
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
deleted file mode 100644
index 101ed87..0000000
--- a/include/asm-powerpc/processor.h
+++ /dev/null
@@ -1,314 +0,0 @@
-#ifndef _ASM_POWERPC_PROCESSOR_H
-#define _ASM_POWERPC_PROCESSOR_H
-
-/*
- * Copyright (C) 2001 PPC 64 Team, IBM Corp
- *
- * 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.
- */
-
-#include <asm/reg.h>
-
-#ifdef CONFIG_VSX
-#define TS_FPRWIDTH 2
-#else
-#define TS_FPRWIDTH 1
-#endif
-
-#ifndef __ASSEMBLY__
-#include <linux/compiler.h>
-#include <asm/ptrace.h>
-#include <asm/types.h>
-
-/* We do _not_ want to define new machine types at all, those must die
- * in favor of using the device-tree
- * -- BenH.
- */
-
-/* PREP sub-platform types see residual.h for these */
-#define _PREP_Motorola 0x01 /* motorola prep */
-#define _PREP_Firm 0x02 /* firmworks prep */
-#define _PREP_IBM 0x00 /* ibm prep */
-#define _PREP_Bull 0x03 /* bull prep */
-
-/* CHRP sub-platform types. These are arbitrary */
-#define _CHRP_Motorola 0x04 /* motorola chrp, the cobra */
-#define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */
-#define _CHRP_Pegasos 0x06 /* Genesi/bplan's Pegasos and Pegasos2 */
-#define _CHRP_briq 0x07 /* TotalImpact's briQ */
-
-#if defined(__KERNEL__) && defined(CONFIG_PPC32)
-
-extern int _chrp_type;
-
-#ifdef CONFIG_PPC_PREP
-
-/* what kind of prep workstation we are */
-extern int _prep_type;
-
-#endif /* CONFIG_PPC_PREP */
-
-#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
-
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
-
-/* Macros for adjusting thread priority (hardware multi-threading) */
-#define HMT_very_low() asm volatile("or 31,31,31 # very low priority")
-#define HMT_low() asm volatile("or 1,1,1 # low priority")
-#define HMT_medium_low() asm volatile("or 6,6,6 # medium low priority")
-#define HMT_medium() asm volatile("or 2,2,2 # medium priority")
-#define HMT_medium_high() asm volatile("or 5,5,5 # medium high priority")
-#define HMT_high() asm volatile("or 3,3,3 # high priority")
-
-#ifdef __KERNEL__
-
-extern int have_of;
-
-struct task_struct;
-void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
-void release_thread(struct task_struct *);
-
-/* Prepare to copy thread state - unlazy all lazy status */
-extern void prepare_to_copy(struct task_struct *tsk);
-
-/* Create a new kernel thread. */
-extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
-
-/* Lazy FPU handling on uni-processor */
-extern struct task_struct *last_task_used_math;
-extern struct task_struct *last_task_used_altivec;
-extern struct task_struct *last_task_used_vsx;
-extern struct task_struct *last_task_used_spe;
-
-#ifdef CONFIG_PPC32
-
-#if CONFIG_TASK_SIZE > CONFIG_KERNEL_START
-#error User TASK_SIZE overlaps with KERNEL_START address
-#endif
-#define TASK_SIZE (CONFIG_TASK_SIZE)
-
-/* This decides where the kernel will search for a free chunk of vm
- * space during mmap's.
- */
-#define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3)
-#endif
-
-#ifdef CONFIG_PPC64
-/* 64-bit user address space is 44-bits (16TB user VM) */
-#define TASK_SIZE_USER64 (0x0000100000000000UL)
-
-/*
- * 32-bit user address space is 4GB - 1 page
- * (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT
- */
-#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
-
-#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
- TASK_SIZE_USER32 : TASK_SIZE_USER64)
-#define TASK_SIZE TASK_SIZE_OF(current)
-
-/* This decides where the kernel will search for a free chunk of vm
- * space during mmap's.
- */
-#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
-#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
-
-#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)) ? \
- TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
-#endif
-
-#ifdef __KERNEL__
-#ifdef __powerpc64__
-
-#define STACK_TOP_USER64 TASK_SIZE_USER64
-#define STACK_TOP_USER32 TASK_SIZE_USER32
-
-#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
- STACK_TOP_USER32 : STACK_TOP_USER64)
-
-#define STACK_TOP_MAX STACK_TOP_USER64
-
-#else /* __powerpc64__ */
-
-#define STACK_TOP TASK_SIZE
-#define STACK_TOP_MAX STACK_TOP
-
-#endif /* __powerpc64__ */
-#endif /* __KERNEL__ */
-
-typedef struct {
- unsigned long seg;
-} mm_segment_t;
-
-#define TS_FPROFFSET 0
-#define TS_VSRLOWOFFSET 1
-#define TS_FPR(i) fpr[i][TS_FPROFFSET]
-
-struct thread_struct {
- unsigned long ksp; /* Kernel stack pointer */
- unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */
-
-#ifdef CONFIG_PPC64
- unsigned long ksp_vsid;
-#endif
- struct pt_regs *regs; /* Pointer to saved register state */
- mm_segment_t fs; /* for get_fs() validation */
-#ifdef CONFIG_PPC32
- void *pgdir; /* root of page-table tree */
-#endif
-#if defined(CONFIG_4xx) || defined (CONFIG_BOOKE)
- unsigned long dbcr0; /* debug control register values */
- unsigned long dbcr1;
-#endif
- /* FP and VSX 0-31 register set */
- double fpr[32][TS_FPRWIDTH];
- struct {
-
- unsigned int pad;
- unsigned int val; /* Floating point status */
- } fpscr;
- int fpexc_mode; /* floating-point exception mode */
- unsigned int align_ctl; /* alignment handling control */
-#ifdef CONFIG_PPC64
- unsigned long start_tb; /* Start purr when proc switched in */
- unsigned long accum_tb; /* Total accumilated purr for process */
-#endif
- unsigned long dabr; /* Data address breakpoint register */
-#ifdef CONFIG_ALTIVEC
- /* Complete AltiVec register set */
- vector128 vr[32] __attribute__((aligned(16)));
- /* AltiVec status */
- vector128 vscr __attribute__((aligned(16)));
- unsigned long vrsave;
- int used_vr; /* set if process has used altivec */
-#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_VSX
- /* VSR status */
- int used_vsr; /* set if process has used altivec */
-#endif /* CONFIG_VSX */
-#ifdef CONFIG_SPE
- unsigned long evr[32]; /* upper 32-bits of SPE regs */
- u64 acc; /* Accumulator */
- unsigned long spefscr; /* SPE & eFP status */
- int used_spe; /* set if process has used spe */
-#endif /* CONFIG_SPE */
-};
-
-#define ARCH_MIN_TASKALIGN 16
-
-#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack)
-#define INIT_SP_LIMIT \
- (_ALIGN_UP(sizeof(init_thread_info), 16) + (unsigned long) &init_stack)
-
-
-#ifdef CONFIG_PPC32
-#define INIT_THREAD { \
- .ksp = INIT_SP, \
- .ksp_limit = INIT_SP_LIMIT, \
- .fs = KERNEL_DS, \
- .pgdir = swapper_pg_dir, \
- .fpexc_mode = MSR_FE0 | MSR_FE1, \
-}
-#else
-#define INIT_THREAD { \
- .ksp = INIT_SP, \
- .ksp_limit = INIT_SP_LIMIT, \
- .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \
- .fs = KERNEL_DS, \
- .fpr = {{0}}, \
- .fpscr = { .val = 0, }, \
- .fpexc_mode = 0, \
-}
-#endif
-
-/*
- * Return saved PC of a blocked thread. For now, this is the "user" PC
- */
-#define thread_saved_pc(tsk) \
- ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
-
-#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs)
-
-unsigned long get_wchan(struct task_struct *p);
-
-#define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
-#define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
-
-/* Get/set floating-point exception mode */
-#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
-#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
-
-extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
-extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
-
-#define GET_ENDIAN(tsk, adr) get_endian((tsk), (adr))
-#define SET_ENDIAN(tsk, val) set_endian((tsk), (val))
-
-extern int get_endian(struct task_struct *tsk, unsigned long adr);
-extern int set_endian(struct task_struct *tsk, unsigned int val);
-
-#define GET_UNALIGN_CTL(tsk, adr) get_unalign_ctl((tsk), (adr))
-#define SET_UNALIGN_CTL(tsk, val) set_unalign_ctl((tsk), (val))
-
-extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr);
-extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val);
-
-static inline unsigned int __unpack_fe01(unsigned long msr_bits)
-{
- return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
-}
-
-static inline unsigned long __pack_fe01(unsigned int fpmode)
-{
- return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1);
-}
-
-#ifdef CONFIG_PPC64
-#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0)
-#else
-#define cpu_relax() barrier()
-#endif
-
-/* Check that a certain kernel stack pointer is valid in task_struct p */
-int validate_sp(unsigned long sp, struct task_struct *p,
- unsigned long nbytes);
-
-/*
- * Prefetch macros.
- */
-#define ARCH_HAS_PREFETCH
-#define ARCH_HAS_PREFETCHW
-#define ARCH_HAS_SPINLOCK_PREFETCH
-
-static inline void prefetch(const void *x)
-{
- if (unlikely(!x))
- return;
-
- __asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
-}
-
-static inline void prefetchw(const void *x)
-{
- if (unlikely(!x))
- return;
-
- __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
-}
-
-#define spin_lock_prefetch(x) prefetchw(x)
-
-#ifdef CONFIG_PPC64
-#define HAVE_ARCH_PICK_MMAP_LAYOUT
-#endif
-
-#endif /* __KERNEL__ */
-#endif /* __ASSEMBLY__ */
-#endif /* _ASM_POWERPC_PROCESSOR_H */