arch/sparc/include/uapi/asm/pstate.h

Source file repositories/reference/linux-study-clean/arch/sparc/include/uapi/asm/pstate.h

File Facts

System
Linux kernel
Corpus path
arch/sparc/include/uapi/asm/pstate.h
Extension
.h
Size
6427 bytes
Lines
117
Domain
Architecture Layer
Bucket
arch/sparc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _SPARC64_PSTATE_H
#define _SPARC64_PSTATE_H

#include <linux/const.h>

/* The V9 PSTATE Register (with SpitFire extensions).
 *
 * -----------------------------------------------------------------------
 * | Resv | IG | MG | CLE | TLE |  MM  | RED | PEF | AM | PRIV | IE | AG |
 * -----------------------------------------------------------------------
 *  63  12  11   10    9     8    7   6   5     4     3     2     1    0
 */
/* IG on V9 conflicts with MCDE on M7. PSTATE_MCDE will only be used on
 * processors that support ADI which do not use IG, hence there is no
 * functional conflict
 */
#define PSTATE_IG   _AC(0x0000000000000800,UL) /* Interrupt Globals.	*/
#define PSTATE_MCDE _AC(0x0000000000000800,UL) /* MCD Enable		*/
#define PSTATE_MG   _AC(0x0000000000000400,UL) /* MMU Globals.		*/
#define PSTATE_CLE  _AC(0x0000000000000200,UL) /* Current Little Endian.*/
#define PSTATE_TLE  _AC(0x0000000000000100,UL) /* Trap Little Endian.	*/
#define PSTATE_MM   _AC(0x00000000000000c0,UL) /* Memory Model.		*/
#define PSTATE_TSO  _AC(0x0000000000000000,UL) /* MM: TotalStoreOrder	*/
#define PSTATE_PSO  _AC(0x0000000000000040,UL) /* MM: PartialStoreOrder	*/
#define PSTATE_RMO  _AC(0x0000000000000080,UL) /* MM: RelaxedMemoryOrder*/
#define PSTATE_RED  _AC(0x0000000000000020,UL) /* Reset Error Debug.	*/
#define PSTATE_PEF  _AC(0x0000000000000010,UL) /* Floating Point Enable.*/
#define PSTATE_AM   _AC(0x0000000000000008,UL) /* Address Mask.		*/
#define PSTATE_PRIV _AC(0x0000000000000004,UL) /* Privilege.		*/
#define PSTATE_IE   _AC(0x0000000000000002,UL) /* Interrupt Enable.	*/
#define PSTATE_AG   _AC(0x0000000000000001,UL) /* Alternate Globals.	*/

/* The V9 TSTATE Register (with SpitFire and Linux extensions).
 *
 * ---------------------------------------------------------------------
 * |  Resv |  GL  |  CCR  |  ASI  |  %pil  |  PSTATE  |  Resv  |  CWP  |
 * ---------------------------------------------------------------------
 *  63   43 42  40 39   32 31   24 23    20 19       8 7      5 4     0
 */
#define TSTATE_GL	_AC(0x0000070000000000,UL) /* Global reg level  */
#define TSTATE_CCR	_AC(0x000000ff00000000,UL) /* Condition Codes.	*/
#define TSTATE_XCC	_AC(0x000000f000000000,UL) /* Condition Codes.	*/
#define TSTATE_XNEG	_AC(0x0000008000000000,UL) /* %xcc Negative.	*/
#define TSTATE_XZERO	_AC(0x0000004000000000,UL) /* %xcc Zero.	*/
#define TSTATE_XOVFL	_AC(0x0000002000000000,UL) /* %xcc Overflow.	*/
#define TSTATE_XCARRY	_AC(0x0000001000000000,UL) /* %xcc Carry.	*/
#define TSTATE_ICC	_AC(0x0000000f00000000,UL) /* Condition Codes.	*/
#define TSTATE_INEG	_AC(0x0000000800000000,UL) /* %icc Negative.	*/
#define TSTATE_IZERO	_AC(0x0000000400000000,UL) /* %icc Zero.	*/
#define TSTATE_IOVFL	_AC(0x0000000200000000,UL) /* %icc Overflow.	*/
#define TSTATE_ICARRY	_AC(0x0000000100000000,UL) /* %icc Carry.	*/
#define TSTATE_ASI	_AC(0x00000000ff000000,UL) /* AddrSpace ID.	*/
#define TSTATE_PIL	_AC(0x0000000000f00000,UL) /* %pil (Linux traps)*/
#define TSTATE_PSTATE	_AC(0x00000000000fff00,UL) /* PSTATE.		*/
/* IG on V9 conflicts with MCDE on M7. TSTATE_MCDE will only be used on
 * processors that support ADI which do not support IG, hence there is
 * no functional conflict
 */
#define TSTATE_IG	_AC(0x0000000000080000,UL) /* Interrupt Globals.*/
#define TSTATE_MCDE	_AC(0x0000000000080000,UL) /* MCD enable.       */
#define TSTATE_MG	_AC(0x0000000000040000,UL) /* MMU Globals.	*/
#define TSTATE_CLE	_AC(0x0000000000020000,UL) /* CurrLittleEndian.	*/
#define TSTATE_TLE	_AC(0x0000000000010000,UL) /* TrapLittleEndian.	*/
#define TSTATE_MM	_AC(0x000000000000c000,UL) /* Memory Model.	*/
#define TSTATE_TSO	_AC(0x0000000000000000,UL) /* MM: TSO		*/
#define TSTATE_PSO	_AC(0x0000000000004000,UL) /* MM: PSO		*/
#define TSTATE_RMO	_AC(0x0000000000008000,UL) /* MM: RMO		*/
#define TSTATE_RED	_AC(0x0000000000002000,UL) /* Reset Error Debug.*/
#define TSTATE_PEF	_AC(0x0000000000001000,UL) /* FPU Enable.	*/
#define TSTATE_AM	_AC(0x0000000000000800,UL) /* Address Mask.	*/
#define TSTATE_PRIV	_AC(0x0000000000000400,UL) /* Privilege.	*/
#define TSTATE_IE	_AC(0x0000000000000200,UL) /* Interrupt Enable.	*/
#define TSTATE_AG	_AC(0x0000000000000100,UL) /* Alternate Globals.*/
#define TSTATE_SYSCALL	_AC(0x0000000000000020,UL) /* in syscall trap   */
#define TSTATE_CWP	_AC(0x000000000000001f,UL) /* Curr Win-Pointer.	*/

/* Floating-Point Registers State Register.
 *
 * --------------------------------
 * |  Resv  |  FEF  |  DU  |  DL  |
 * --------------------------------
 *  63     3    2       1      0
 */
#define FPRS_FEF	_AC(0x0000000000000004,UL) /* FPU Enable.	*/
#define FPRS_DU		_AC(0x0000000000000002,UL) /* Dirty Upper.	*/
#define FPRS_DL		_AC(0x0000000000000001,UL) /* Dirty Lower.	*/

/* Version Register.
 *
 * ------------------------------------------------------

Annotation

Implementation Notes