9f1b87f106
being defined, define and use a new MD macro, cpu_spinwait(). It only expands to something on i386 and amd64, so the compiled code should be identical. Name of the macro found by: jhb Reviewed by: jhb
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* $NetBSD: cpu.h,v 1.2 2001/02/23 21:23:52 reinoud Exp $ */
|
|
/* $FreeBSD$ */
|
|
|
|
#ifndef MACHINE_CPU_H
|
|
#define MACHINE_CPU_H
|
|
|
|
#include <machine/armreg.h>
|
|
|
|
void cpu_halt(void);
|
|
void swi_vm(void *);
|
|
|
|
static __inline uint64_t
|
|
get_cyclecount(void)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
#define CPU_CONSDEV 1
|
|
#define CPU_ADJKERNTZ 2 /* int: timezone offset (seconds) */
|
|
#define CPU_DISRTCSET 3 /* int: disable resettodr() call */
|
|
#define CPU_BOOTINFO 4 /* struct: bootinfo */
|
|
#define CPU_WALLCLOCK 5 /* int: indicates wall CMOS clock */
|
|
#define CPU_MAXID 6 /* number of valid machdep ids */
|
|
|
|
|
|
#define CLKF_USERMODE(frame) ((frame->if_spsr & PSR_MODE) == PSR_USR32_MODE)
|
|
|
|
#define TRAPF_USERMODE(frame) ((frame->tf_spsr & PSR_MODE) == PSR_USR32_MODE)
|
|
#define CLKF_PC(frame) (frame->if_pc)
|
|
|
|
#define TRAPF_PC(tfp) ((tfp)->tf_pc)
|
|
|
|
#define cpu_getstack(td) ((td)->td_frame->tf_usr_sp)
|
|
#define cpu_setstack(td, sp) ((td)->td_frame->tf_usr_sp = (sp))
|
|
#define cpu_spinwait() /* nothing */
|
|
|
|
#define ARM_NVEC 8
|
|
#define ARM_VEC_ALL 0xffffffff
|
|
|
|
extern vm_offset_t vector_page;
|
|
|
|
void fork_trampoline(void);
|
|
void *initarm(void *, void *);
|
|
void arm_vector_init(vm_offset_t, int);
|
|
void identify_arm_cpu(void);
|
|
|
|
extern char btext[];
|
|
extern char etext[];
|
|
int badaddr_read (void *, size_t, void *);
|
|
#endif /* !MACHINE_CPU_H */
|