X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_mem.c;h=cf18c104b496140b562bce70e732abe9643ff321;hb=d0be182a2424036db4bc179bc512ea7e5b0bd62f;hp=013ea0b269607e34cb8cc6273b48371b8dd84c2c;hpb=a109eb919a162bd7de58d62020801bc2e633be50;p=palacios.git diff --git a/palacios/src/palacios/vmm_mem.c b/palacios/src/palacios/vmm_mem.c index 013ea0b..cf18c10 100644 --- a/palacios/src/palacios/vmm_mem.c +++ b/palacios/src/palacios/vmm_mem.c @@ -18,27 +18,31 @@ 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 = os_hooks->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; @@ -53,15 +57,14 @@ void free_shadow_map(shadow_map_t * map) { -/* This is slightly different semantically from the mem list, in that - * we don't allow overlaps we could probably allow overlappig regions - * of the same type... but I'll let someone else deal with that - */ -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; @@ -95,9 +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; @@ -110,7 +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; @@ -118,7 +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; @@ -134,7 +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; @@ -152,7 +156,7 @@ shadow_region_t * get_shadow_region_by_addr(shadow_map_t * map, -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) { @@ -174,7 +178,7 @@ 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;