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#ifndef __ARM_REGS_H__
#define __ARM_REGS_H__
#define PSR_MODE_MASK 0x1f
#ifndef __ASSEMBLY__
#include <xen/types.h>
#include <public/xen.h>
#include <asm/processor.h>
#define psr_mode(psr,m) (((psr) & PSR_MODE_MASK) == m)
#define usr_mode(r) psr_mode((r)->cpsr,PSR_MODE_USR)
#define fiq_mode(r) psr_mode((r)->cpsr,PSR_MODE_FIQ)
#define irq_mode(r) psr_mode((r)->cpsr,PSR_MODE_IRQ)
#define svc_mode(r) psr_mode((r)->cpsr,PSR_MODE_SVC)
#define mon_mode(r) psr_mode((r)->cpsr,PSR_MODE_MON)
#define abt_mode(r) psr_mode((r)->cpsr,PSR_MODE_ABT)
#define und_mode(r) psr_mode((r)->cpsr,PSR_MODE_UND)
#define sys_mode(r) psr_mode((r)->cpsr,PSR_MODE_SYS)
#ifdef CONFIG_ARM_32
#define hyp_mode(r) psr_mode((r)->cpsr,PSR_MODE_HYP)
#else
#define hyp_mode(r) (psr_mode((r)->cpsr,PSR_MODE_EL2h) || \
psr_mode((r)->cpsr,PSR_MODE_EL2t))
#endif
#define guest_mode(r) \
({ \
unsigned long diff = (char *)guest_cpu_user_regs() - (char *)(r); \
/* Frame pointer must point into current CPU stack. */ \
ASSERT(diff < STACK_SIZE); \
/* If not a guest frame, it must be a hypervisor frame. */ \
ASSERT((diff == 0) || hyp_mode(r)); \
/* Return TRUE if it's a guest frame. */ \
(diff == 0); \
})
#define return_reg(v) ((v)->arch.cpu_info->guest_cpu_user_regs.r0)
/*
* Returns a pointer to the given register value in regs, taking the
* processor mode (CPSR) into account.
*/
extern register_t *select_user_reg(struct cpu_user_regs *regs, int reg);
#endif
#endif /* __ARM_REGS_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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