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#ifndef _UAPI_METAG_PTRACE_H
#define _UAPI_METAG_PTRACE_H
#ifndef __ASSEMBLY__
/*
* These are the layouts of the regsets returned by the GETREGSET ptrace call
*/
/* user_gp_regs::status */
/* CBMarker bit (indicates catch state / catch replay) */
#define USER_GP_REGS_STATUS_CATCH_BIT (1 << 22)
#define USER_GP_REGS_STATUS_CATCH_S 22
/* LSM_STEP field (load/store multiple step) */
#define USER_GP_REGS_STATUS_LSM_STEP_BITS (0x7 << 8)
#define USER_GP_REGS_STATUS_LSM_STEP_S 8
/* SCC bit (indicates split 16x16 condition flags) */
#define USER_GP_REGS_STATUS_SCC_BIT (1 << 4)
#define USER_GP_REGS_STATUS_SCC_S 4
/* normal condition flags */
/* CF_Z bit (Zero flag) */
#define USER_GP_REGS_STATUS_CF_Z_BIT (1 << 3)
#define USER_GP_REGS_STATUS_CF_Z_S 3
/* CF_N bit (Negative flag) */
#define USER_GP_REGS_STATUS_CF_N_BIT (1 << 2)
#define USER_GP_REGS_STATUS_CF_N_S 2
/* CF_V bit (oVerflow flag) */
#define USER_GP_REGS_STATUS_CF_V_BIT (1 << 1)
#define USER_GP_REGS_STATUS_CF_V_S 1
/* CF_C bit (Carry flag) */
#define USER_GP_REGS_STATUS_CF_C_BIT (1 << 0)
#define USER_GP_REGS_STATUS_CF_C_S 0
/* split 16x16 condition flags */
/* SCF_LZ bit (Low Zero flag) */
#define USER_GP_REGS_STATUS_SCF_LZ_BIT (1 << 3)
#define USER_GP_REGS_STATUS_SCF_LZ_S 3
/* SCF_HZ bit (High Zero flag) */
#define USER_GP_REGS_STATUS_SCF_HZ_BIT (1 << 2)
#define USER_GP_REGS_STATUS_SCF_HZ_S 2
/* SCF_HC bit (High Carry flag) */
#define USER_GP_REGS_STATUS_SCF_HC_BIT (1 << 1)
#define USER_GP_REGS_STATUS_SCF_HC_S 1
/* SCF_LC bit (Low Carry flag) */
#define USER_GP_REGS_STATUS_SCF_LC_BIT (1 << 0)
#define USER_GP_REGS_STATUS_SCF_LC_S 0
/**
* struct user_gp_regs - User general purpose registers
* @dx: GP data unit regs (dx[reg][unit] = D{unit:0-1}.{reg:0-7})
* @ax: GP address unit regs (ax[reg][unit] = A{unit:0-1}.{reg:0-3})
* @pc: PC register
* @status: TXSTATUS register (condition flags, LSM_STEP etc)
* @rpt: TXRPT registers (branch repeat counter)
* @bpobits: TXBPOBITS register ("branch prediction other" bits)
* @mode: TXMODE register
* @_pad1: Reserved padding to make sizeof obviously 64bit aligned
*
* This is the user-visible general purpose register state structure.
*
* It can be accessed through PTRACE_GETREGSET with NT_PRSTATUS.
*
* It is also used in the signal context.
*/
struct user_gp_regs {
unsigned long dx[8][2];
unsigned long ax[4][2];
unsigned long pc;
unsigned long status;
unsigned long rpt;
unsigned long bpobits;
unsigned long mode;
unsigned long _pad1;
};
/**
* struct user_cb_regs - User catch buffer registers
* @flags: TXCATCH0 register (fault flags)
* @addr: TXCATCH1 register (fault address)
* @data: TXCATCH2 and TXCATCH3 registers (low and high data word)
*
* This is the user-visible catch buffer register state structure containing
* information about a failed memory access, and allowing the access to be
* modified and replayed.
*
* It can be accessed through PTRACE_GETREGSET with NT_METAG_CBUF.
*/
struct user_cb_regs {
unsigned long flags;
unsigned long addr;
unsigned long long data;
};
/**
* struct user_rp_state - User read pipeline state
* @entries: Read pipeline entries
* @mask: Mask of valid pipeline entries (RPMask from TXDIVTIME register)
*
* This is the user-visible read pipeline state structure containing the entries
* currently in the read pipeline and the mask of valid entries.
*
* It can be accessed through PTRACE_GETREGSET with NT_METAG_RPIPE.
*/
struct user_rp_state {
unsigned long long entries[6];
unsigned long mask;
};
#endif /* __ASSEMBLY__ */
#endif /* _UAPI_METAG_PTRACE_H */
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