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-rw-r--r--include/asm-mips/processor.h263
1 files changed, 0 insertions, 263 deletions
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h
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index a1e4453..0000000
--- a/include/asm-mips/processor.h
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994 Waldorf GMBH
- * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
- * Copyright (C) 1996 Paul M. Antoine
- * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- */
-#ifndef _ASM_PROCESSOR_H
-#define _ASM_PROCESSOR_H
-
-#include <linux/cpumask.h>
-#include <linux/threads.h>
-
-#include <asm/cachectl.h>
-#include <asm/cpu.h>
-#include <asm/cpu-info.h>
-#include <asm/mipsregs.h>
-#include <asm/prefetch.h>
-#include <asm/system.h>
-
-/*
- * Return current * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
-
-/*
- * System setup and hardware flags..
- */
-extern void (*cpu_wait)(void);
-
-extern unsigned int vced_count, vcei_count;
-
-#ifdef CONFIG_32BIT
-/*
- * User space process size: 2GB. This is hardcoded into a few places,
- * so don't change it unless you know what you are doing.
- */
-#define TASK_SIZE 0x7fff8000UL
-#define STACK_TOP 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 / 3) & ~(PAGE_SIZE))
-#endif
-
-#ifdef CONFIG_64BIT
-/*
- * User space process size: 1TB. This is hardcoded into a few places,
- * so don't change it unless you know what you are doing. TASK_SIZE
- * is limited to 1TB by the R4000 architecture; R10000 and better can
- * support 16TB; the architectural reserve for future expansion is
- * 8192EB ...
- */
-#define TASK_SIZE32 0x7fff8000UL
-#define TASK_SIZE 0x10000000000UL
-#define STACK_TOP \
- (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
-
-/*
- * This decides where the kernel will search for a free chunk of vm
- * space during mmap's.
- */
-#define TASK_UNMAPPED_BASE \
- (test_thread_flag(TIF_32BIT_ADDR) ? \
- PAGE_ALIGN(TASK_SIZE32 / 3) : PAGE_ALIGN(TASK_SIZE / 3))
-#define TASK_SIZE_OF(tsk) \
- (test_tsk_thread_flag(tsk, TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
-#endif
-
-#ifdef __KERNEL__
-#define STACK_TOP_MAX TASK_SIZE
-#endif
-
-#define NUM_FPU_REGS 32
-
-typedef __u64 fpureg_t;
-
-/*
- * It would be nice to add some more fields for emulator statistics, but there
- * are a number of fixed offsets in offset.h and elsewhere that would have to
- * be recalculated by hand. So the additional information will be private to
- * the FPU emulator for now. See asm-mips/fpu_emulator.h.
- */
-
-struct mips_fpu_struct {
- fpureg_t fpr[NUM_FPU_REGS];
- unsigned int fcr31;
-};
-
-#define NUM_DSP_REGS 6
-
-typedef __u32 dspreg_t;
-
-struct mips_dsp_state {
- dspreg_t dspr[NUM_DSP_REGS];
- unsigned int dspcontrol;
-};
-
-#define INIT_CPUMASK { \
- {0,} \
-}
-
-typedef struct {
- unsigned long seg;
-} mm_segment_t;
-
-#define ARCH_MIN_TASKALIGN 8
-
-struct mips_abi;
-
-/*
- * If you change thread_struct remember to change the #defines below too!
- */
-struct thread_struct {
- /* Saved main processor registers. */
- unsigned long reg16;
- unsigned long reg17, reg18, reg19, reg20, reg21, reg22, reg23;
- unsigned long reg29, reg30, reg31;
-
- /* Saved cp0 stuff. */
- unsigned long cp0_status;
-
- /* Saved fpu/fpu emulator stuff. */
- struct mips_fpu_struct fpu;
-#ifdef CONFIG_MIPS_MT_FPAFF
- /* Emulated instruction count */
- unsigned long emulated_fp;
- /* Saved per-thread scheduler affinity mask */
- cpumask_t user_cpus_allowed;
-#endif /* CONFIG_MIPS_MT_FPAFF */
-
- /* Saved state of the DSP ASE, if available. */
- struct mips_dsp_state dsp;
-
- /* Other stuff associated with the thread. */
- unsigned long cp0_badvaddr; /* Last user fault */
- unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
- unsigned long error_code;
- unsigned long trap_no;
- unsigned long irix_trampoline; /* Wheee... */
- unsigned long irix_oldctx;
- struct mips_abi *abi;
-};
-
-#ifdef CONFIG_MIPS_MT_FPAFF
-#define FPAFF_INIT \
- .emulated_fp = 0, \
- .user_cpus_allowed = INIT_CPUMASK,
-#else
-#define FPAFF_INIT
-#endif /* CONFIG_MIPS_MT_FPAFF */
-
-#define INIT_THREAD { \
- /* \
- * Saved main processor registers \
- */ \
- .reg16 = 0, \
- .reg17 = 0, \
- .reg18 = 0, \
- .reg19 = 0, \
- .reg20 = 0, \
- .reg21 = 0, \
- .reg22 = 0, \
- .reg23 = 0, \
- .reg29 = 0, \
- .reg30 = 0, \
- .reg31 = 0, \
- /* \
- * Saved cp0 stuff \
- */ \
- .cp0_status = 0, \
- /* \
- * Saved FPU/FPU emulator stuff \
- */ \
- .fpu = { \
- .fpr = {0,}, \
- .fcr31 = 0, \
- }, \
- /* \
- * FPU affinity state (null if not FPAFF) \
- */ \
- FPAFF_INIT \
- /* \
- * Saved DSP stuff \
- */ \
- .dsp = { \
- .dspr = {0, }, \
- .dspcontrol = 0, \
- }, \
- /* \
- * Other stuff associated with the process \
- */ \
- .cp0_badvaddr = 0, \
- .cp0_baduaddr = 0, \
- .error_code = 0, \
- .trap_no = 0, \
- .irix_trampoline = 0, \
- .irix_oldctx = 0, \
-}
-
-struct task_struct;
-
-/* Free all resources held by a thread. */
-#define release_thread(thread) do { } while(0)
-
-/* Prepare to copy thread state - unlazy all lazy status */
-#define prepare_to_copy(tsk) do { } while (0)
-
-extern long kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
-/*
- * Do necessary setup to start up a newly executed thread.
- */
-extern void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp);
-
-unsigned long get_wchan(struct task_struct *p);
-
-#define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + THREAD_SIZE - 32)
-#define task_pt_regs(tsk) ((struct pt_regs *)__KSTK_TOS(tsk) - 1)
-#define KSTK_EIP(tsk) (task_pt_regs(tsk)->cp0_epc)
-#define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[29])
-#define KSTK_STATUS(tsk) (task_pt_regs(tsk)->cp0_status)
-
-#define cpu_relax() barrier()
-
-/*
- * Return_address is a replacement for __builtin_return_address(count)
- * which on certain architectures cannot reasonably be implemented in GCC
- * (MIPS, Alpha) or is unuseable with -fomit-frame-pointer (i386).
- * Note that __builtin_return_address(x>=1) is forbidden because GCC
- * aborts compilation on some CPUs. It's simply not possible to unwind
- * some CPU's stackframes.
- *
- * __builtin_return_address works only for non-leaf functions. We avoid the
- * overhead of a function call by forcing the compiler to save the return
- * address register on the stack.
- */
-#define return_address() ({__asm__ __volatile__("":::"$31");__builtin_return_address(0);})
-
-#ifdef CONFIG_CPU_HAS_PREFETCH
-
-#define ARCH_HAS_PREFETCH
-
-static inline void prefetch(const void *addr)
-{
- __asm__ __volatile__(
- " .set mips4 \n"
- " pref %0, (%1) \n"
- " .set mips0 \n"
- :
- : "i" (Pref_Load), "r" (addr));
-}
-
-#endif
-
-#endif /* _ASM_PROCESSOR_H */