/* * (C) Finite State Machine Labs Inc. 1999 <business@fsmlabs.com> * * Released under the terms of GPL 2. * Open RTLinux makes use of a patented process described in * US Patent 5,995,745. Use of this process is governed * by the Open RTLinux Patent License which can be obtained from * www.fsmlabs.com/PATENT or by sending email to * licensequestions@fsmlabs.com */#ifndef _MIPS_ARCH_H#define _MIPS_ARCH_H#include <linux/irq.h>#include <linux/config.h>#include <arch/constants.h>#include <rtl_core.h>#define RTL_NR_IRQS NR_IRQSextern volatile int last_irq;extern int (*hard_do_IRQ)(int, struct pt_regs *);extern void (*__sti)(void);extern void (*__cli)(void);extern void (*__save_flags_ptr)(unsigned long *);extern void (*__save_and_cli_ptr)(unsigned long *);extern void (*__restore_flags)(ulong);#define LOCAL_TIMER_VECTOR 0#define RTL_RESCHEDULE_VECTOR 1#define soft_local_disabled_irq(irq) (0)/* * Global dispatch functions */#define dispatch_linux_irq(regs,irq) { hard_do_IRQ(irq,regs); rtl_virt_enable(irq); }static void __inline__ soft_dispatch_global(unsigned int irq){	struct pt_regs regs;	hard_do_IRQ(irq, &regs);	rtl_virt_enable(irq);}/* * Local irq functions */#define dispatch_rtl_local_handler(pnd,regs)#define dispatch_local_linux_irq(regs)#define ARCH_DEFINED_ENABLE ST0_IE#define ARCH_DEFINED_DISABLE 0extern irq_desc_t rtl_hard_irq_desc[NR_IRQS];#define rtl_irq_controller_enable(irq) \({ if (rtl_hard_irq_desc[irq].handler && rtl_hard_irq_desc[irq].handler->enable) \	rtl_hard_irq_desc[irq].handler->enable(irq); })#define rtl_irq_controller_disable(irq) \({ if (rtl_hard_irq_desc[irq].handler && rtl_hard_irq_desc[irq].handler->disable) \	rtl_hard_irq_desc[irq].handler->disable(irq); })#define rtl_irq_controller_get_irq(regs) \({ int i = last_irq; last_irq = -1; i; })#define rtl_irq_controller_postirq(regs,irq)#define rtl_irq_controller_ack(irq) \({ if (rtl_hard_irq_desc[irq].handler && rtl_hard_irq_desc[irq].handler->ack) \	rtl_hard_irq_desc[irq].handler->ack(irq); })#define rtl_local_irq_controller_ack() { }#endif /* _MIPS_ARCH_H */