X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/df61e9d0fec3d5e75820e27e7a2459d132364585..17fe1418db474b23d9f516db049772dfe3d8696c:/lunaix-os/kernel/mm/vmm.c?ds=sidebyside diff --git a/lunaix-os/kernel/mm/vmm.c b/lunaix-os/kernel/mm/vmm.c index 6e134fd..445071c 100644 --- a/lunaix-os/kernel/mm/vmm.c +++ b/lunaix-os/kernel/mm/vmm.c @@ -3,6 +3,9 @@ #include #include #include +#include + +LOG_MODULE("VMM") void vmm_init() @@ -54,6 +57,9 @@ vmm_set_mapping(uintptr_t mnt, l1pt->entry[l1_inx] = NEW_L1_ENTRY(attr | PG_WRITE | PG_PRESENT, new_l1pt_pa); + // make sure our new l2 table is visible to CPU + cpu_invplg(l2pt); + memset((void*)l2pt, 0, PG_SIZE); } else { x86_pte_t pte = l2pt->entry[l2_inx]; @@ -79,8 +85,8 @@ vmm_del_mapping(uintptr_t mnt, uintptr_t va) { assert(((uintptr_t)va & 0xFFFU) == 0); - uint32_t l1_index = L1_INDEX(va); - uint32_t l2_index = L2_INDEX(va); + u32_t l1_index = L1_INDEX(va); + u32_t l2_index = L2_INDEX(va); // prevent unmap of recursive mapping region if (l1_index == 1023) { @@ -107,8 +113,8 @@ vmm_del_mapping(uintptr_t mnt, uintptr_t va) int vmm_lookup(uintptr_t va, v_mapping* mapping) { - uint32_t l1_index = L1_INDEX(va); - uint32_t l2_index = L2_INDEX(va); + u32_t l1_index = L1_INDEX(va); + u32_t l2_index = L2_INDEX(va); x86_page_table* l1pt = (x86_page_table*)L1_BASE_VADDR; x86_pte_t l1pte = l1pt->entry[l1_index]; @@ -131,8 +137,8 @@ vmm_lookup(uintptr_t va, v_mapping* mapping) void* vmm_v2p(void* va) { - uint32_t l1_index = L1_INDEX(va); - uint32_t l2_index = L2_INDEX(va); + u32_t l1_index = L1_INDEX(va); + u32_t l2_index = L2_INDEX(va); x86_page_table* l1pt = (x86_page_table*)L1_BASE_VADDR; x86_pte_t l1pte = l1pt->entry[l1_index];