msr.h

xen 3.2.2 源码

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (C) IBM Corp. 2005
 *
 * Authors: Jimi Xenidis <[e-mail]>
 */

#ifndef _POWERPC_MSR_H
#define _POWERPC_MSR_H

#ifdef __ASSEMBLY__
#define ULL(x) x
#else
#define ULL(x) x ## ULL
#endif

/* Flags in MSR: */
#define MSR_SF      ULL(0x8000000000000000)
#define MSR_TA      ULL(0x4000000000000000)
#define MSR_ISF     ULL(0x2000000000000000)
#define MSR_HV      ULL(0x1000000000000000)
#define MSR_VMX     ULL(0x0000000002000000)
#define MSR_MER     ULL(0x0000000000200000)
#define MSR_POW     ULL(0x0000000000040000)
#define MSR_ILE     ULL(0x0000000000010000)
#define MSR_EE      ULL(0x0000000000008000)
#define MSR_PR      ULL(0x0000000000004000)
#define MSR_FP      ULL(0x0000000000002000)
#define MSR_ME      ULL(0x0000000000001000)
#define MSR_FE0     ULL(0x0000000000000800)
#define MSR_SE      ULL(0x0000000000000400)
#define MSR_BE      ULL(0x0000000000000200)
#define MSR_FE1     ULL(0x0000000000000100)
#define MSR_IP      ULL(0x0000000000000040)
#define MSR_IR      ULL(0x0000000000000020)
#define MSR_DR      ULL(0x0000000000000010)
#define MSR_PMM     ULL(0x0000000000000004)
#define MSR_RI      ULL(0x0000000000000002)
#define MSR_LE      ULL(0x0000000000000001)

/* MSR bits set on the systemsim simulator */
#define MSR_SIM     ULL(0x0000000020000000)
#define MSR_SYSTEMSIM ULL(0x0000000010000000)

/* On a trap, srr1's copy of msr defines some bits as follows: */
#define MSR_TRAP_FE     ULL(0x0000000000100000) /* Floating Point Exception */
#define MSR_TRAP_IOP    ULL(0x0000000000080000) /* Illegal Instruction */
#define MSR_TRAP_PRIV   ULL(0x0000000000040000) /* Privileged Instruction */
#define MSR_TRAP        ULL(0x0000000000020000) /* Trap Instruction */
#define MSR_TRAP_NEXT   ULL(0x0000000000010000) /* PC is next instruction */
#define MSR_TRAP_BITS  (MSR_TRAP_FE|MSR_TRAP_IOP|MSR_TRAP_PRIV|MSR_TRAP)

#endif /* _POWERPC_MSR_H */