diff options
Diffstat (limited to 'xen/arch/x86/mm/shadow/multi.c')
| -rw-r--r-- | xen/arch/x86/mm/shadow/multi.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c index 0d88127558..0878aacf52 100644 --- a/xen/arch/x86/mm/shadow/multi.c +++ b/xen/arch/x86/mm/shadow/multi.c @@ -1745,56 +1745,6 @@ static void sh_install_xen_entries_in_l2h(struct vcpu *v, mfn_t sl2hmfn) #endif -#if CONFIG_PAGING_LEVELS == 2 && GUEST_PAGING_LEVELS == 2 -void sh_install_xen_entries_in_l2(struct vcpu *v, mfn_t gl2mfn, mfn_t sl2mfn) -{ - struct domain *d = v->domain; - shadow_l2e_t *sl2e; - int i; - - sl2e = sh_map_domain_page(sl2mfn); - ASSERT(sl2e != NULL); - ASSERT(sizeof (l2_pgentry_t) == sizeof (shadow_l2e_t)); - - /* Copy the common Xen mappings from the idle domain */ - memcpy(&sl2e[L2_PAGETABLE_FIRST_XEN_SLOT], - &idle_pg_table[L2_PAGETABLE_FIRST_XEN_SLOT], - L2_PAGETABLE_XEN_SLOTS * sizeof(l2_pgentry_t)); - - /* Install the per-domain mappings for this domain */ - for ( i = 0; i < PDPT_L2_ENTRIES; i++ ) - sl2e[shadow_l2_table_offset(PERDOMAIN_VIRT_START) + i] = - shadow_l2e_from_mfn( - page_to_mfn(virt_to_page(d->arch.mm_perdomain_pt) + i), - __PAGE_HYPERVISOR); - - /* Linear mapping */ - sl2e[shadow_l2_table_offset(SH_LINEAR_PT_VIRT_START)] = - shadow_l2e_from_mfn(sl2mfn, __PAGE_HYPERVISOR); - - if ( shadow_mode_translate(v->domain) && !shadow_mode_external(v->domain) ) - { - // linear tables may not be used with translated PV guests - sl2e[shadow_l2_table_offset(LINEAR_PT_VIRT_START)] = - shadow_l2e_empty(); - } - else - { - sl2e[shadow_l2_table_offset(LINEAR_PT_VIRT_START)] = - shadow_l2e_from_mfn(gl2mfn, __PAGE_HYPERVISOR); - } - - if ( shadow_mode_translate(d) ) - { - /* install domain-specific P2M table */ - sl2e[shadow_l2_table_offset(RO_MPT_VIRT_START)] = - shadow_l2e_from_mfn(pagetable_get_mfn(d->arch.phys_table), - __PAGE_HYPERVISOR); - } - - sh_unmap_domain_page(sl2e); -} -#endif @@ -1866,10 +1816,6 @@ sh_make_shadow(struct vcpu *v, mfn_t gmfn, u32 shadow_type) case SH_type_l2h_shadow: sh_install_xen_entries_in_l2h(v, smfn); break; #endif -#if CONFIG_PAGING_LEVELS == 2 && GUEST_PAGING_LEVELS == 2 - case SH_type_l2_shadow: - sh_install_xen_entries_in_l2(v, gmfn, smfn); break; -#endif default: /* Do nothing */ break; } } @@ -1989,17 +1935,6 @@ sh_make_monitor_table(struct vcpu *v) return m3mfn; } -#elif CONFIG_PAGING_LEVELS == 2 - - { - mfn_t m2mfn; - m2mfn = shadow_alloc(d, SH_type_monitor_table, 0); - sh_install_xen_entries_in_l2(v, m2mfn, m2mfn); - /* Remember the level of this table */ - mfn_to_page(m2mfn)->shadow_flags = 2; - return m2mfn; - } - #else #error this should not happen #endif /* CONFIG_PAGING_LEVELS */ @@ -3641,32 +3576,6 @@ sh_update_linear_entries(struct vcpu *v) sh_unmap_domain_page(l2e); } -#elif CONFIG_PAGING_LEVELS == 2 - - /* For PV, one l2e points at the guest l2, one points at the shadow - * l2. No maintenance required. - * For HVM, just need to update the l2e that points to the shadow l2. */ - - if ( shadow_mode_external(d) ) - { - /* Use the linear map if we can; otherwise make a new mapping */ - if ( v == current ) - { - __linear_l2_table[l2_linear_offset(SH_LINEAR_PT_VIRT_START)] = - l2e_from_pfn(pagetable_get_pfn(v->arch.shadow_table[0]), - __PAGE_HYPERVISOR); - } - else - { - l2_pgentry_t *ml2e; - ml2e = sh_map_domain_page(pagetable_get_mfn(v->arch.monitor_table)); - ml2e[l2_table_offset(SH_LINEAR_PT_VIRT_START)] = - l2e_from_pfn(pagetable_get_pfn(v->arch.shadow_table[0]), - __PAGE_HYPERVISOR); - sh_unmap_domain_page(ml2e); - } - } - #else #error this should not happen #endif |