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#ifndef __ASM_SH_PTRACE_H
#define __ASM_SH_PTRACE_H
/*
* Copyright (C) 1999, 2000 Niibe Yutaka
*
*/
/*
* GCC defines register number like this:
* -----------------------------
* 0 - 15 are integer registers
* 17 - 22 are control/special registers
* 24 - 39 fp registers
* 40 - 47 xd registers
* 48 - fpscr register
* -----------------------------
*
* We follows above, except:
* 16 --- program counter (PC)
* 22 --- syscall #
* 23 --- floating point communication register
*/
#define REG_REG0 0
#define REG_REG15 15
#define REG_PC 16
#define REG_PR 17
#define REG_SR 18
#define REG_GBR 19
#define REG_MACH 20
#define REG_MACL 21
#define REG_SYSCALL 22
#define REG_FPUL 23
#define REG_FPREG0 24
#define REG_FPREG15 39
#define REG_XDREG0 40
#define REG_XDREG14 47
#define REG_FPSCR 48
/*
* This struct defines the way the registers are stored on the
* kernel stack during a system call or other kernel entry.
*/
struct pt_regs {
unsigned long regs[16];
unsigned long pc;
unsigned long pr;
unsigned long sr;
unsigned long gbr;
unsigned long mach;
unsigned long macl;
long syscall_nr;
};
#ifdef __KERNEL__
#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
#define instruction_pointer(regs) ((regs)->pc)
extern void show_regs(struct pt_regs *);
/* User Break Controller */
#if defined(__sh3__)
#define UBC_BARA 0xffffffb0
#define UBC_BAMRA 0xffffffb4
#define UBC_BBRA 0xffffffb8
#define UBC_BASRA 0xffffffe4
#define UBC_BARB 0xffffffa0
#define UBC_BAMRB 0xffffffa4
#define UBC_BBRB 0xffffffa8
#define UBC_BASRB 0xffffffe8
#define UBC_BDRB 0xffffff90
#define UBC_BDMRB 0xffffff94
#define UBC_BRCR 0xffffff98
#elif defined(__SH4__)
#define UBC_BARA 0xff200000
#define UBC_BAMRA 0xff200004
#define UBC_BBRA 0xff200008
#define UBC_BASRA 0xff000014
#define UBC_BARB 0xff20000c
#define UBC_BAMRB 0xff200010
#define UBC_BBRB 0xff200014
#define UBC_BASRB 0xff000018
#define UBC_BDRB 0xff200018
#define UBC_BDMRB 0xff20001c
#define UBC_BRCR 0xff200020
#endif
#define BAMR_ASID (1 << 2)
#define BAMR_NONE 0
#define BAMR_10 0x1
#define BAMR_12 0x2
#define BAMR_ALL 0x3
#define BAMR_16 0x8
#define BAMR_20 0x9
#define BBR_INST (1 << 4)
#define BBR_DATA (2 << 4)
#define BBR_READ (1 << 2)
#define BBR_WRITE (2 << 4)
#define BBR_BYTE 0x1
#define BBR_HALF 0x2
#define BBR_LONG 0x3
#define BBR_QUAD (1 << 6)
#define BRCR_CMFA (1 << 15)
#define BRCR_CMFB (1 << 14)
#define BRCR_PCBA (1 << 10) /* 1: after execution */
#define BRCR_DBEB (1 << 7)
#define BRCR_PCBB (1 << 6)
#define BRCR_SEQ (1 << 3)
#define BRCR_UBDE (1 << 0)
#endif
#endif /* __ASM_SH_PTRACE_H */
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