/* * Main system for RTL. *  * Copyright (C) 1999 Cort Dougan <cort@fsmlabs.com> * Copyright (C) 1999 Victor Yodaiken <yodaiken@fsmlabs.com> */#ifndef __RTL_CORE_H__#define __RTL_CORE_H__#include <rtl_version.h>#include <linux/version.h>#include <linux/types.h>#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)#include <linux/threads.h>#else#include <linux/tasks.h>#endif#include <linux/string.h>#include <linux/smp.h>#include <rtl_printf.h>#include <asm/ptrace.h>#include <asm/current.h>#include <arch/constants.h>#include <arch/rtl_io.h>/* * This check should be for 2.4.0-final or greater but a check * for for 2.4.1 or later is much simpler. */#define LINUX_2_4_0_FINAL_OR_LATER (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,1))/* need this here for rtl_sched - hofrat */#define l_idle 0#define l_ienable 1#define l_pend_since_sti 2#define l_busy 3#define l_psc_active 4/* Bit positions of flags for local structure and macros   for operating on them */#define L_SET(f) set_bit(f,&rtl_local[cpu_id].flags)#define L_CLEAR(f) clear_bit(f,&rtl_local[cpu_id].flags)#define L_TEST(f) test_bit(f,&rtl_local[cpu_id].flags)#define L_TEST_AND_SET(f) test_and_set_bit(f,&rtl_local[cpu_id].flags)#define L_PEND(f) set_bit(f,&rtl_local[cpu_id].pending)#define L_UNPEND(f) clear_bit(f,&rtl_local[cpu_id].pending)#define L_ISPEND(f) test_bit(f,&rtl_local[cpu_id].pending)#define L_SET_RTH(f) set_bit(f,&rtl_local[cpu_id].rtirq)#define L_CLEAR_RTH(f) clear_bit(f,&rtl_local[cpu_id].rtirq)#define L_TEST_RTH(f) test_bit(f,&rtl_local[cpu_id].rtirq)#define L_TEST_AND_SET_RTH(f) test_and_set_bit(f,&rtl_local[cpu_id].rtirq)#define L_TEST_AND_CLEAR_RTH(f) test_and_clear_bit(f,&rtl_local[cpu_id].rtirq)/* some old programs need this */#define DECLARE_CPUID(cpu_id)   unsigned int cpu_id = rtl_getcpuid()intercept_t  rtl_intercept(MACHDEPREGS regs);void rtl_soft_sti(void);void rtl_soft_cli(void);void rtl_soft_save_flags(unsigned long *);void rtl_soft_restore_flags(unsigned long);void rtl_soft_save_and_cli(unsigned long *);void rtl_global_pend_irq(int);int rtl_global_ispending_irq(int);int rtl_local_ispending_irq(int);void rtl_virt_disable(unsigned int);void rtl_virt_enable(unsigned int);void rtl_process_pending(void);#ifdef __LOCAL_IRQS__#define LOCAL_PND_MAX 32void dispatch_local_linux_irq(struct pt_regs *, int pnd);void rtl_local_pend_vec(int vector,int cpu_id);int rtl_request_local_irq(int i, unsigned int (*handler)(struct pt_regs *r), unsigned int cpu);void soft_dispatch_local(unsigned int);int rtl_free_local_irq(int i, unsigned int cpu);#endifint arch_takeover(void);void arch_giveup(void);void rtl_hard_disable_irq(unsigned int);void rtl_hard_enable_irq(unsigned int);int rtl_request_global_irq(unsigned int irq, unsigned int (*handler)(unsigned int, struct pt_regs *));int rtl_free_global_irq(unsigned int irq );int rtl_get_soft_irq (void (*handler) (int, void *, struct pt_regs *),		      const char *devname);int rtl_irq_set_affinity (unsigned int irq, const unsigned long *mask, unsigned long *oldmask);#define rtl_request_irq rtl_request_global_irq#define rtl_free_irq rtl_free_global_irqvoid rtl_make_rt_system_active(void);void rtl_make_rt_system_idle(void);unsigned int rtl_rt_system_is_idle(void);extern void rtl_free_soft_irq(unsigned int irq);typedef unsigned int (*rtl_local_handler_t)(struct pt_regs *r);struct rtl_local {	__u32    flags;#ifdef __LOCAL_IRQS__	__u32    pending;	__u32    rtirq;        rtl_local_handler_t rt_handlers[LOCAL_PND_MAX];#endif};#ifdef CONFIG_SMPextern int rtl_request_ipi (unsigned int (*f)(struct pt_regs *r), int cpu);extern int rtl_free_ipi (int cpu);extern void rtl_reschedule(unsigned int);#endif#define rtl_num_cpus() (smp_num_cpus)extern int rtl_cpu_exists (int cpu);/* #define __RTL_LOCALIRQS__ */extern struct rtl_local rtl_local[NR_CPUS];void conprn(const unsigned int hexnum);void conpr(const char *s);#endif