| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * psr.h: This file holds the macros for masking off various parts of |
| * the processor status register on the Sparc. This is valid |
| * for Version 8. On the V9 this is renamed to the PSTATE |
| * register and its members are accessed as fields like |
| * PSTATE.PRIV for the current CPU privilege level. |
| * |
| * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) |
| */ |
| |
| #ifndef _UAPI__LINUX_SPARC_PSR_H |
| #define _UAPI__LINUX_SPARC_PSR_H |
| |
| /* The Sparc PSR fields are laid out as the following: |
| * |
| * ------------------------------------------------------------------------ |
| * | impl | vers | icc | resv | EC | EF | PIL | S | PS | ET | CWP | |
| * | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6 | 5 | 4-0 | |
| * ------------------------------------------------------------------------ |
| */ |
| #define PSR_CWP 0x0000001f /* current window pointer */ |
| #define PSR_ET 0x00000020 /* enable traps field */ |
| #define PSR_PS 0x00000040 /* previous privilege level */ |
| #define PSR_S 0x00000080 /* current privilege level */ |
| #define PSR_PIL 0x00000f00 /* processor interrupt level */ |
| #define PSR_EF 0x00001000 /* enable floating point */ |
| #define PSR_EC 0x00002000 /* enable co-processor */ |
| #define PSR_SYSCALL 0x00004000 /* inside of a syscall */ |
| #define PSR_LE 0x00008000 /* SuperSparcII little-endian */ |
| #define PSR_ICC 0x00f00000 /* integer condition codes */ |
| #define PSR_C 0x00100000 /* carry bit */ |
| #define PSR_V 0x00200000 /* overflow bit */ |
| #define PSR_Z 0x00400000 /* zero bit */ |
| #define PSR_N 0x00800000 /* negative bit */ |
| #define PSR_VERS 0x0f000000 /* cpu-version field */ |
| #define PSR_IMPL 0xf0000000 /* cpu-implementation field */ |
| |
| #define PSR_VERS_SHIFT 24 |
| #define PSR_IMPL_SHIFT 28 |
| #define PSR_VERS_SHIFTED_MASK 0xf |
| #define PSR_IMPL_SHIFTED_MASK 0xf |
| |
| #define PSR_IMPL_TI 0x4 |
| #define PSR_IMPL_LEON 0xf |
| |
| |
| #endif /* _UAPI__LINUX_SPARC_PSR_H */ |
