X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_mem.c;h=dfbe0e8e8a91d618c322dcf74198cf0b914dd304;hb=a4b341afa075a6620dd087ee3a8ed850730c05c7;hp=49586f13fb55adb8a8c92d1689f4c2dd564292e3;hpb=1cf6b8a334fd683681665c177d33ad6c452ad366;p=palacios.git diff --git a/palacios/src/palacios/vmm_mem.c b/palacios/src/palacios/vmm_mem.c index 49586f1..dfbe0e8 100644 --- a/palacios/src/palacios/vmm_mem.c +++ b/palacios/src/palacios/vmm_mem.c @@ -2,7 +2,7 @@ #include #include -extern struct vmm_os_hooks * os_hooks; + void init_shadow_region(shadow_region_t * entry, @@ -18,47 +18,53 @@ void init_shadow_region(shadow_region_t * entry, entry->next=entry->prev = NULL; } -void init_shadow_region_physical(shadow_region_t * entry, - addr_t guest_addr_start, - addr_t guest_addr_end, - guest_region_type_t guest_region_type, - addr_t host_addr_start, - host_region_type_t host_region_type) +int add_shadow_region_passthrough( struct guest_info * guest_info, + addr_t guest_addr_start, + addr_t guest_addr_end, + addr_t host_addr_start) { - init_shadow_region(entry, guest_addr_start, guest_addr_end, guest_region_type, host_region_type); + shadow_region_t * entry = (shadow_region_t *)V3_Malloc(sizeof(shadow_region_t)); + + init_shadow_region(entry, guest_addr_start, guest_addr_end, + GUEST_REGION_PHYSICAL_MEMORY, HOST_REGION_PHYSICAL_MEMORY); entry->host_addr.phys_addr.host_start = host_addr_start; + return add_shadow_region(&(guest_info->mem_map), entry); } - -void init_shadow_map(shadow_map_t * map) { + + + +void init_shadow_map(struct shadow_map * map) { map->num_regions = 0; map->head = NULL; } -void free_shadow_map(shadow_map_t * map) { +void free_shadow_map(struct shadow_map * map) { shadow_region_t * cursor = map->head; shadow_region_t * tmp = NULL; while(cursor) { tmp = cursor; cursor = cursor->next; - VMMFree(tmp); + V3_Free(tmp); } - VMMFree(map); + V3_Free(map); } -int add_shadow_region(shadow_map_t * map, +int add_shadow_region(struct shadow_map * map, shadow_region_t * region) { shadow_region_t * cursor = map->head; + PrintDebug("Adding Shadow Region: (0x%x-0x%x)\n", region->guest_start, region->guest_end); + if ((!cursor) || (cursor->guest_start >= region->guest_end)) { region->prev = NULL; region->next = cursor; @@ -92,9 +98,10 @@ int add_shadow_region(shadow_map_t * map, map->num_regions++; return 0; - } else if (cursor->next->guest_end < region->guest_start) { + } else if (cursor->next->guest_end <= region->guest_start) { cursor = cursor->next; } else { + PrintDebug("WTF?\n"); // This cannot happen! // we should panic here return -1; @@ -107,7 +114,7 @@ int add_shadow_region(shadow_map_t * map, } -int delete_shadow_region(shadow_map_t * map, +int delete_shadow_region(struct shadow_map * map, addr_t guest_start, addr_t guest_end) { return -1; @@ -115,7 +122,7 @@ int delete_shadow_region(shadow_map_t * map, -shadow_region_t *get_shadow_region_by_index(shadow_map_t * map, +shadow_region_t *get_shadow_region_by_index(struct shadow_map * map, uint_t index) { shadow_region_t * reg = map->head; uint_t i = 0; @@ -131,7 +138,7 @@ shadow_region_t *get_shadow_region_by_index(shadow_map_t * map, } -shadow_region_t * get_shadow_region_by_addr(shadow_map_t * map, +shadow_region_t * get_shadow_region_by_addr(struct shadow_map * map, addr_t addr) { shadow_region_t * reg = map->head; @@ -148,8 +155,28 @@ shadow_region_t * get_shadow_region_by_addr(shadow_map_t * map, } +host_region_type_t get_shadow_addr_type(struct guest_info * info, addr_t guest_addr) { + shadow_region_t * reg = get_shadow_region_by_addr(&(info->mem_map), guest_addr); + + if (!reg) { + return HOST_REGION_INVALID; + } else { + return reg->host_type; + } +} + +addr_t get_shadow_addr(struct guest_info * info, addr_t guest_addr) { + shadow_region_t * reg = get_shadow_region_by_addr(&(info->mem_map), guest_addr); + + if (!reg) { + return 0; + } else { + return (guest_addr - reg->guest_start) + reg->host_addr.phys_addr.host_start; + } +} + -host_region_type_t lookup_shadow_map_addr(shadow_map_t * map, addr_t guest_addr, addr_t * host_addr) { +host_region_type_t lookup_shadow_map_addr(struct shadow_map * map, addr_t guest_addr, addr_t * host_addr) { shadow_region_t * reg = get_shadow_region_by_addr(map, guest_addr); if (!reg) { @@ -171,7 +198,7 @@ host_region_type_t lookup_shadow_map_addr(shadow_map_t * map, addr_t guest_addr, } -void print_shadow_map(shadow_map_t * map) { +void print_shadow_map(struct shadow_map * map) { shadow_region_t * cur = map->head; int i = 0;