1 /* $NetBSD: cpu.h,v 1.2 2001/02/23 21:23:52 reinoud Exp $ */ 2 /* $FreeBSD$ */ 3 4 #ifndef MACHINE_CPU_H 5 #define MACHINE_CPU_H 6 7 #include <machine/armreg.h> 8 9 void cpu_halt(void); 10 void swi_vm(void *); 11 12 #ifdef _KERNEL 13 static __inline uint64_t 14 get_cyclecount(void) 15 { 16 struct bintime bt; 17 18 binuptime(&bt); 19 return ((uint64_t)bt.sec << 56 | bt.frac >> 8); 20 21 } 22 #endif 23 24 #define TRAPF_USERMODE(frame) ((frame->tf_spsr & PSR_MODE) == PSR_USR32_MODE) 25 26 #define TRAPF_PC(tfp) ((tfp)->tf_pc) 27 28 #define cpu_getstack(td) ((td)->td_frame->tf_usr_sp) 29 #define cpu_setstack(td, sp) ((td)->td_frame->tf_usr_sp = (sp)) 30 #define cpu_spinwait() /* nothing */ 31 32 #define ARM_NVEC 8 33 #define ARM_VEC_ALL 0xffffffff 34 35 extern vm_offset_t vector_page; 36 37 struct arm_boot_params { 38 register_t abp_size; /* Size of this structure */ 39 register_t abp_r0; /* r0 from the boot loader */ 40 register_t abp_r1; /* r1 from the boot loader */ 41 register_t abp_r2; /* r2 from the boot loader */ 42 register_t abp_r3; /* r3 from the boot loader */ 43 }; 44 45 void arm_vector_init(vm_offset_t, int); 46 void fork_trampoline(void); 47 void identify_arm_cpu(void); 48 void *initarm(struct arm_boot_params *); 49 50 extern char btext[]; 51 extern char etext[]; 52 int badaddr_read(void *, size_t, void *); 53 #endif /* !MACHINE_CPU_H */ 54