50 lines
2.8 KiB
C
50 lines
2.8 KiB
C
#ident "$Header: "
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/* PTE bit masks and shift values (handles 32-bit and 64-bit PTEs)
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*/
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typedef struct pdeinfo_s {
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uint64 pfn_mask; /* to mask out all but pfn in pte */
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int32 pfn_shift; /* to right align pfn */
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uint64 Pde_pg_vr; /* pte "valid" mask */
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int32 pg_vr_shift; /* to right align "valid" bits */
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uint64 Pde_pg_g; /* pte "global" mask */
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int32 pg_g_shift; /* to right align "global" bits */
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uint64 Pde_pg_m; /* pte "modified" mask */
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int32 pg_m_shift; /* to right align "modified" bits */
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uint64 Pde_pg_n; /* pte "noncached" mask */
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int32 pg_n_shift; /* to right align "noncached" bits */
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uint64 Pde_pg_sv; /* pte "page valid" mask */
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int32 pg_sv_shift; /* to right align "page valid" bits */
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uint64 Pde_pg_d; /* pte "page dirty" mask */
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int32 pg_d_shift; /* to right align "page dirty" bits */
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uint64 Pde_pg_eop; /* pte "eop" mask */
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int32 pg_eop_shift; /* to right align "eop" bits */
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uint64 Pde_pg_nr; /* pte "reference count" mask */
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int32 pg_nr_shift; /* to right align "reference count" bits */
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uint64 Pde_pg_cc; /* pte "cache coherency" mask */
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int32 pg_cc_shift; /* to right align "cache coherency" bits */
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} pdeinfo_t;
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/* From the pdeinfo_s struct
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*/
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#define K_PFN_MASK (LIBKERN_DATA->k_pdeinfo->pfn_mask)
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#define K_PFN_SHIFT (LIBKERN_DATA->k_pdeinfo->pfn_shift)
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#define K_PDE_PG_VR (LIBKERN_DATA->k_pdeinfo->Pde_pg_vr)
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#define K_PG_VR_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_vr_shift)
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#define K_PDE_PG_G (LIBKERN_DATA->k_pdeinfo->Pde_pg_g)
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#define K_PG_G_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_g_shift)
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#define K_PDE_PG_M (LIBKERN_DATA->k_pdeinfo->Pde_pg_m)
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#define K_PG_M_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_m_shift)
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#define K_PDE_PG_N (LIBKERN_DATA->k_pdeinfo->Pde_pg_n)
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#define K_PG_N_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_n_shift)
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#define K_PDE_PG_SV (LIBKERN_DATA->k_pdeinfo->Pde_pg_sv)
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#define K_PG_SV_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_sv_shift)
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#define K_PDE_PG_D (LIBKERN_DATA->k_pdeinfo->Pde_pg_d)
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#define K_PG_D_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_d_shift)
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#define K_PDE_PG_EOP (LIBKERN_DATA->k_pdeinfo->Pde_pg_eop)
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#define K_PG_EOP_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_eop_shift)
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#define K_PDE_PG_NR (LIBKERN_DATA->k_pdeinfo->Pde_pg_nr)
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#define K_PG_NR_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_nr_shift)
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#define K_PDE_PG_CC (LIBKERN_DATA->k_pdeinfo->Pde_pg_cc)
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#define K_PG_CC_SHIFT (LIBKERN_DATA->k_pdeinfo->pg_cc_shift)
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