gem5/arch/alpha/ev5.hh
Ali Saidi f37eb6f5c7 ifdefed ev5 vs. ev6 differences so Tlaser can work in the linux tree
arch/alpha/alpha_memory.cc:
arch/alpha/ev5.hh:
    Ifdefed TLASER code
arch/alpha/vtophys.cc:
    added back some code andrew removed and couldn't remember why.

--HG--
extra : convert_revision : f00d255f7a8a7bdb6e74f061dd014188e3b39e73
2004-06-22 17:20:19 -04:00

128 lines
3.4 KiB
C++

/* $Id$ */
#ifndef __EV5_H__
#define __EV5_H__
#ifndef SYSTEM_EV5
#error This code is only valid for EV5 systems
#endif
#include "targetarch/isa_traits.hh"
////////////////////////////////////////////////////////////////////////
//
//
//
////////////////////////////////////////////////////////////////////////
//
//
//
#define MODE2MASK(X) (1 << (X))
// Alpha IPR register accessors
#define PC_PAL(X) ((X) & 0x1)
#define MCSR_SP(X) (((X) >> 1) & 0x3)
#define ICSR_SDE(X) (((X) >> 30) & 0x1)
#define ICSR_SPE(X) (((X) >> 28) & 0x3)
#define ICSR_FPE(X) (((X) >> 26) & 0x1)
#define ALT_MODE_AM(X) (((X) >> 3) & 0x3)
#define DTB_CM_CM(X) (((X) >> 3) & 0x3)
#ifdef ALPHA_TLASER
#define DTB_ASN_ASN(X) (((X) >> 57) & 0x7f)
#define DTB_PTE_PPN(X) (((X) >> 32) & 0x07ffffff)
#else
#define DTB_ASN_ASN(X) (((X) >> 57) & 0xff)
#define DTB_PTE_PPN(X) (((X) >> 32) & 0x07fffffff)
#endif
#define DTB_PTE_XRE(X) (((X) >> 8) & 0xf)
#define DTB_PTE_XWE(X) (((X) >> 12) & 0xf)
#define DTB_PTE_FONR(X) (((X) >> 1) & 0x1)
#define DTB_PTE_FONW(X) (((X) >> 2) & 0x1)
#define DTB_PTE_GH(X) (((X) >> 5) & 0x3)
#define DTB_PTE_ASMA(X) (((X) >> 4) & 0x1)
#define ICM_CM(X) (((X) >> 3) & 0x3)
#ifdef ALPHA_TLASER
#define ITB_ASN_ASN(X) (((X) >> 4) & 0x7f)
#define ITB_PTE_PPN(X) (((X) >> 32) & 0x07ffffff)
#else
#define ITB_ASN_ASN(X) (((X) >> 4) & 0xff)
#define ITB_PTE_PPN(X) (((X) >> 32) & 0x07fffffff)
#endif
#define ITB_PTE_XRE(X) (((X) >> 8) & 0xf)
#define ITB_PTE_FONR(X) (((X) >> 1) & 0x1)
#define ITB_PTE_FONW(X) (((X) >> 2) & 0x1)
#define ITB_PTE_GH(X) (((X) >> 5) & 0x3)
#define ITB_PTE_ASMA(X) (((X) >> 4) & 0x1)
#define VA_UNIMPL_MASK ULL(0xfffff80000000000)
#define VA_IMPL_MASK ULL(0x000007ffffffffff)
#define VA_IMPL(X) ((X) & VA_IMPL_MASK)
#define VA_VPN(X) (VA_IMPL(X) >> 13)
#define VA_SPACE_EV5(X) (((X) >> 41) & 0x3)
#define VA_SPACE_EV6(X) (((X) >> 41) & 0x7f)
#define VA_POFS(X) ((X) & 0x1fff)
#define PA_UNCACHED_BIT_39 ULL(0x8000000000)
#define PA_UNCACHED_BIT_40 ULL(0x10000000000)
#define PA_UNCACHED_BIT_43 ULL(0x80000000000)
#define PA_UNCACHED_MASK ULL(0x807ffffffff) // Clear PA<42:35>
#ifdef ALPHA_TLASER
#define PA_IPR_SPACE(X) ((X) >= ULL(0xFFFFF00000))
#define PA_IMPL_MASK ULL(0xffffffffff)
#else
#define PA_IPR_SPACE(X) ((X) >= ULL(0xFFFFFF00000))
#define PA_IMPL_MASK ULL(0xfffffffffff) // for Tsunami
#endif
#define PA_PFN2PA(X) ((X) << 13)
#define MM_STAT_BAD_VA_MASK 0x0020
#define MM_STAT_DTB_MISS_MASK 0x0010
#define MM_STAT_FONW_MASK 0x0008
#define MM_STAT_FONR_MASK 0x0004
#define MM_STAT_ACV_MASK 0x0002
#define MM_STAT_WR_MASK 0x0001
#define OPCODE(X) (X >> 26) & 0x3f
#define RA(X) (X >> 21) & 0x1f
////////////////////////////////////////////////////////////////////////
//
//
//
// VPTE size for HW_LD/HW_ST
#define HW_VPTE ((inst >> 11) & 0x1)
// QWORD size for HW_LD/HW_ST
#define HW_QWORD ((inst >> 12) & 0x1)
// ALT mode for HW_LD/HW_ST
#define HW_ALT (((inst >> 14) & 0x1) ? ALTMODE : 0)
// LOCK/COND mode for HW_LD/HW_ST
#define HW_LOCK (((inst >> 10) & 0x1) ? LOCKED : 0)
#define HW_COND (((inst >> 10) & 0x1) ? LOCKED : 0)
// PHY size for HW_LD/HW_ST
#define HW_PHY (((inst >> 15) & 0x1) ? PHYSICAL : 0)
// OFFSET for HW_LD/HW_ST
#define HW_OFS (inst & 0x3ff)
#define PAL_BASE 0x4000
#endif //__EV5_H__