iris/mips.hhp

#pypp 0
#ifndef _ARCH_HH
#define _ARCH_HH

#define PAGE_BITS (12)
#define PAGE_SIZE (1 << PAGE_BITS)
#define PAGE_MASK (~(PAGE_SIZE - 1))

struct Thread_arch:
	unsigned at, v0, v1, a0, a1, a2, a3
	unsigned t0, t1, t2, t3, t4, t5, t6, t7, t8, t9
	unsigned gp, fp, ra, hi, lo, k0, k1

struct Memory_arch:
	unsigned asid
	unsigned **directory

EXTERN unsigned g_asid

// Functions which can be called from assembly must not be mangled.
extern "C":
	// Kernel entry points, called from entry.S.
	Thread *interrupt (Thread *current)
	Thread *cache_error (Thread *current)
	Thread *exception (Thread *current)
	Thread *tlb_refill (Thread *current, unsigned EntryHi)

	#ifdef INIT
	// Initialize most things (the rest is done in boot.S)
	void init ()
	// Start running the idle task for the first time.
	void run_idle (Thread *self)
	#endif

#endif