X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=1bc2838a4c876b8ed71244c1aef00dcb1c56a581;hb=d25cf4863326ae17565bfbe23879438bc352f069;hp=049ac50c058e7c72fe6cb5dcf07d5ecad9564514;hpb=2b1f4ef19d766727f873476861c64339c8836a40;p=palacios.git diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h index 049ac50..1bc2838 100644 --- a/palacios/include/palacios/vmm_shadow_paging.h +++ b/palacios/include/palacios/vmm_shadow_paging.h @@ -2,9 +2,11 @@ #define __VMM_SHADOW_PAGING_H +#ifdef __V3VEE__ #include #include +#include struct shadow_page_state { @@ -14,7 +16,7 @@ struct shadow_page_state { ullong_t guest_cr3; // points to guest's current page table // Should this be here?? - reg_ex_t guest_cr0; + ullong_t guest_cr0; // these two reflect the top-level page directory // of the shadow page table @@ -22,25 +24,35 @@ struct shadow_page_state { ullong_t shadow_cr3; + // Hash table that ties a CR3 value to a hash table pointer for the PT entries + struct hashtable * cr3_cache; + // Hash table that contains a mapping of guest pte addresses to host pte addresses + struct hashtable * cached_ptes; + addr_t cached_cr3; + }; +struct guest_info; -struct guest_info; +int cache_page_tables32(struct guest_info * info, addr_t pde); +int init_shadow_page_state(struct guest_info * info); -int init_shadow_page_state(struct shadow_page_state * state); +addr_t create_new_shadow_pt32(); +int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code); +int handle_shadow_invlpg(struct guest_info * info); -addr_t create_new_shadow_pt32(struct guest_info * info); -addr_t setup_shadow_pt32(struct guest_info * info, addr_t virt_cr3); -addr_t setup_shadow_pte32(struct guest_info * info, addr_t pt_host_addr); -int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code); -int handle_shadow_pagefault32(struct guest_info * info, addr_t fault_addr, pf_error_t error_code); + +int v3_replace_shdw_page(struct guest_info * info, addr_t location, void * new_page, void* old_page); +int v3_replace_shdw_page32(struct guest_info * info, addr_t location, pte32_t * new_page, pte32_t * old_page); + +#endif // ! __V3VEE__ #endif