diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/processor.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index f97ce48cc2..e03ab21f59 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -1203,127 +1203,7 @@ int fsl_qoriq_dsp_core_to_cluster(unsigned int core); #endif #endif - -/* what kind of prep workstation we are */ -extern int _prep_type; -/* - * This is used to identify the board type from a given PReP board - * vendor. Board revision is also made available. - */ -extern unsigned char ucSystemType; -extern unsigned char ucBoardRev; -extern unsigned char ucBoardRevMaj, ucBoardRevMin; - struct task_struct; -void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp); -void release_thread(struct task_struct *); - -/* - * Create a new kernel thread. - */ -extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - -/* - * Bus types - */ -#define EISA_bus 0 -#define EISA_bus__is_a_macro /* for versions in ksyms.c */ -#define MCA_bus 0 -#define MCA_bus__is_a_macro /* for versions in ksyms.c */ - -/* Lazy FPU handling on uni-processor */ -extern struct task_struct *last_task_used_math; -extern struct task_struct *last_task_used_altivec; - -/* - * this is the minimum allowable io space due to the location - * of the io areas on prep (first one at 0x80000000) but - * as soon as I get around to remapping the io areas with the BATs - * to match the mac we can raise this. -- Cort - */ -#define TASK_SIZE (0x80000000UL) - -/* 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) - -typedef struct { - unsigned long seg; -} mm_segment_t; - -struct thread_struct { - unsigned long ksp; /* Kernel stack pointer */ - unsigned long wchan; /* Event task is sleeping on */ - struct pt_regs *regs; /* Pointer to saved register state */ - mm_segment_t fs; /* for get_fs() validation */ - void *pgdir; /* root of page-table tree */ - signed long last_syscall; - double fpr[32]; /* Complete floating point set */ - unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */ - unsigned long fpscr; /* Floating point status */ -#ifdef CONFIG_ALTIVEC - vector128 vr[32]; /* Complete AltiVec set */ - vector128 vscr; /* AltiVec status */ - unsigned long vrsave; -#endif /* CONFIG_ALTIVEC */ -}; - -#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack) - -#define INIT_THREAD { \ - INIT_SP, /* ksp */ \ - 0, /* wchan */ \ - (struct pt_regs *)INIT_SP - 1, /* regs */ \ - KERNEL_DS, /*fs*/ \ - swapper_pg_dir, /* pgdir */ \ - 0, /* last_syscall */ \ - {0}, 0, 0 \ -} - -/* - * Note: the vm_start and vm_end fields here should *not* - * be in kernel space. (Could vm_end == vm_start perhaps?) - */ -#define INIT_MMAP { &init_mm, 0, 0x1000, NULL, \ - PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \ - 1, NULL, NULL } - -/* - * Return saved PC of a blocked thread. For now, this is the "user" PC - */ -static inline unsigned long thread_saved_pc(struct thread_struct *t) -{ - return (t->regs) ? t->regs->nip : 0; -} - -#define copy_segments(tsk, mm) do { } while (0) -#define release_segments(mm) do { } while (0) -#define forget_segments() do { } while (0) - -unsigned long get_wchan(struct task_struct *p); - -#define KSTK_EIP(tsk) ((tsk)->thread.regs->nip) -#define KSTK_ESP(tsk) ((tsk)->thread.regs->gpr[1]) - -/* - * NOTE! The task struct and the stack go together - */ -#define THREAD_SIZE (2*PAGE_SIZE) -#define alloc_task_struct() \ - ((struct task_struct *) __get_free_pages(GFP_KERNEL,1)) -#define free_task_struct(p) free_pages((unsigned long)(p),1) -#define get_task_struct(tsk) atomic_inc(&mem_map[MAP_NR(tsk)].count) - -/* in process.c - for early bootup debug -- Cort */ -int ll_printk(const char *, ...); -void ll_puts(const char *); - -#define init_task (init_task_union.task) -#define init_stack (init_task_union.stack) - -/* In misc.c */ -void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); #ifndef CONFIG_CPU_MPC83XX int prt_83xx_rsr(void); |