51533b615e
New CRIS sub architecture named v32. From: Dave Jones <davej@redhat.com> Fix swapped kmalloc args Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
#ifndef _ASM_CRIS_ARCH_SYSTEM_H
|
|
#define _ASM_CRIS_ARCH_SYSTEM_H
|
|
|
|
#include <linux/config.h>
|
|
|
|
/* Read the CPU version register. */
|
|
extern inline unsigned long rdvr(void)
|
|
{
|
|
unsigned char vr;
|
|
|
|
__asm__ __volatile__ ("move $vr, %0" : "=rm" (vr));
|
|
return vr;
|
|
}
|
|
|
|
#define cris_machine_name "crisv32"
|
|
|
|
/* Read the user-mode stack pointer. */
|
|
extern inline unsigned long rdusp(void)
|
|
{
|
|
unsigned long usp;
|
|
|
|
__asm__ __volatile__ ("move $usp, %0" : "=rm" (usp));
|
|
return usp;
|
|
}
|
|
|
|
/* Read the current stack pointer. */
|
|
extern inline unsigned long rdsp(void)
|
|
{
|
|
unsigned long sp;
|
|
|
|
__asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp));
|
|
return sp;
|
|
}
|
|
|
|
/* Write the user-mode stack pointer. */
|
|
#define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp))
|
|
|
|
#define nop() __asm__ __volatile__ ("nop");
|
|
|
|
#define xchg(ptr,x) \
|
|
((__typeof__(*(ptr)))__xchg((unsigned long) (x),(ptr),sizeof(*(ptr))))
|
|
|
|
#define tas(ptr) (xchg((ptr),1))
|
|
|
|
struct __xchg_dummy { unsigned long a[100]; };
|
|
#define __xg(x) ((struct __xchg_dummy *)(x))
|
|
|
|
/* Used for interrupt control. */
|
|
#define local_save_flags(x) \
|
|
__asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory");
|
|
|
|
#define local_irq_restore(x) \
|
|
__asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory");
|
|
|
|
#define local_irq_disable() __asm__ __volatile__ ("di" : : : "memory");
|
|
#define local_irq_enable() __asm__ __volatile__ ("ei" : : : "memory");
|
|
|
|
#define irqs_disabled() \
|
|
({ \
|
|
unsigned long flags; \
|
|
\
|
|
local_save_flags(flags);\
|
|
!(flags & (1 << I_CCS_BITNR)); \
|
|
})
|
|
|
|
/* Used for spinlocks, etc. */
|
|
#define local_irq_save(x) \
|
|
__asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory");
|
|
|
|
#ifdef CONFIG_SMP
|
|
typedef struct {
|
|
volatile unsigned int lock __attribute__ ((aligned(4)));
|
|
#ifdef CONFIG_PREEMPT
|
|
unsigned int break_lock;
|
|
#endif
|
|
} spinlock_t;
|
|
#endif
|
|
|
|
#endif /* _ASM_CRIS_ARCH_SYSTEM_H */
|