pstate.h
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上传日期:2013-02-24
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- /* $Id: pstate.h,v 1.6 1997/06/25 07:39:45 jj Exp $ */
- #ifndef _SPARC64_PSTATE_H
- #define _SPARC64_PSTATE_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
- */
- #define PSTATE_IG 0x0000000000000800 /* Interrupt Globals. */
- #define PSTATE_MG 0x0000000000000400 /* MMU Globals. */
- #define PSTATE_CLE 0x0000000000000200 /* Current Little Endian. */
- #define PSTATE_TLE 0x0000000000000100 /* Trap Little Endian. */
- #define PSTATE_MM 0x00000000000000c0 /* Memory Model. */
- #define PSTATE_TSO 0x0000000000000000 /* MM: Total Store Order */
- #define PSTATE_PSO 0x0000000000000040 /* MM: Partial Store Order */
- #define PSTATE_RMO 0x0000000000000080 /* MM: Relaxed Memory Order */
- #define PSTATE_RED 0x0000000000000020 /* Reset Error Debug State. */
- #define PSTATE_PEF 0x0000000000000010 /* Floating Point Enable. */
- #define PSTATE_AM 0x0000000000000008 /* Address Mask. */
- #define PSTATE_PRIV 0x0000000000000004 /* Privilege. */
- #define PSTATE_IE 0x0000000000000002 /* Interrupt Enable. */
- #define PSTATE_AG 0x0000000000000001 /* Alternate Globals. */
- /* The V9 TSTATE Register (with SpitFire and Linux extensions).
- *
- * ---------------------------------------------------------------
- * | Resv | CCR | ASI | %pil | PSTATE | Resv | CWP |
- * ---------------------------------------------------------------
- * 63 40 39 32 31 24 23 20 19 8 7 5 4 0
- */
- #define TSTATE_CCR 0x000000ff00000000 /* Condition Codes. */
- #define TSTATE_XCC 0x000000f000000000 /* Condition Codes. */
- #define TSTATE_XNEG 0x0000008000000000 /* %xcc Negative. */
- #define TSTATE_XZERO 0x0000004000000000 /* %xcc Zero. */
- #define TSTATE_XOVFL 0x0000002000000000 /* %xcc Overflow. */
- #define TSTATE_XCARRY 0x0000001000000000 /* %xcc Carry. */
- #define TSTATE_ICC 0x0000000f00000000 /* Condition Codes. */
- #define TSTATE_INEG 0x0000000800000000 /* %icc Negative. */
- #define TSTATE_IZERO 0x0000000400000000 /* %icc Zero. */
- #define TSTATE_IOVFL 0x0000000200000000 /* %icc Overflow. */
- #define TSTATE_ICARRY 0x0000000100000000 /* %icc Carry. */
- #define TSTATE_ASI 0x00000000ff000000 /* Address Space Identifier. */
- #define TSTATE_PIL 0x0000000000f00000 /* %pil (Linux traps set this) */
- #define TSTATE_PSTATE 0x00000000000fff00 /* PSTATE. */
- #define TSTATE_IG 0x0000000000080000 /* Interrupt Globals. */
- #define TSTATE_MG 0x0000000000040000 /* MMU Globals. */
- #define TSTATE_CLE 0x0000000000020000 /* Current Little Endian. */
- #define TSTATE_TLE 0x0000000000010000 /* Trap Little Endian. */
- #define TSTATE_MM 0x000000000000c000 /* Memory Model. */
- #define TSTATE_TSO 0x0000000000000000 /* MM: Total Store Order */
- #define TSTATE_PSO 0x0000000000004000 /* MM: Partial Store Order */
- #define TSTATE_RMO 0x0000000000008000 /* MM: Relaxed Memory Order */
- #define TSTATE_RED 0x0000000000002000 /* Reset Error Debug State. */
- #define TSTATE_PEF 0x0000000000001000 /* Floating Point Enable. */
- #define TSTATE_AM 0x0000000000000800 /* Address Mask. */
- #define TSTATE_PRIV 0x0000000000000400 /* Privilege. */
- #define TSTATE_IE 0x0000000000000200 /* Interrupt Enable. */
- #define TSTATE_AG 0x0000000000000100 /* Alternate Globals. */
- #define TSTATE_CWP 0x000000000000001f /* Current Window Pointer. */
- /* Floating-Point Registers State Register.
- *
- * --------------------------------
- * | Resv | FEF | DU | DL |
- * --------------------------------
- * 63 3 2 1 0
- */
- #define FPRS_FEF 0x0000000000000004 /* Enable Floating Point. */
- #define FPRS_DU 0x0000000000000002 /* Dirty Upper. */
- #define FPRS_DL 0x0000000000000001 /* Dirty Lower. */
- /* Version Register.
- *
- * ------------------------------------------------------
- * | MANUF | IMPL | MASK | Resv | MAXTL | Resv | MAXWIN |
- * ------------------------------------------------------
- * 63 48 47 32 31 24 23 16 15 8 7 5 4 0
- */
- #define VERS_MANUF 0xffff000000000000 /* Manufacturer. */
- #define VERS_IMPL 0x0000ffff00000000 /* Implementation. */
- #define VERS_MASK 0x00000000ff000000 /* Mask Set Revision. */
- #define VERS_MAXTL 0x000000000000ff00 /* Maximum Trap Level. */
- #define VERS_MAXWIN 0x000000000000001f /* Maximum Reg Window Index. */
- #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
- #define set_pstate(bits)
- __asm__ __volatile__(
- "rdpr %%pstate, %%g1nt"
- "or %%g1, %0, %%g1nt"
- "wrpr %%g1, 0x0, %%pstatent"
- : /* no outputs */
- : "i" (bits)
- : "g1")
- #define clear_pstate(bits)
- __asm__ __volatile__(
- "rdpr %%pstate, %%g1nt"
- "andn %%g1, %0, %%g1nt"
- "wrpr %%g1, 0x0, %%pstatent"
- : /* no outputs */
- : "i" (bits)
- : "g1")
- #define change_pstate(bits)
- __asm__ __volatile__(
- "rdpr %%pstate, %%g1nt"
- "wrpr %%g1, %0, %%pstatent"
- : /* no outputs */
- : "i" (bits)
- : "g1")
- #endif
- #endif /* !(_SPARC64_PSTATE_H) */