diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/memory.c | 34 | ||||
| -rw-r--r-- | kernel/memory.h | 6 |
2 files changed, 20 insertions, 20 deletions
diff --git a/kernel/memory.c b/kernel/memory.c index 4dfb517..69ba752 100644 --- a/kernel/memory.c +++ b/kernel/memory.c @@ -64,10 +64,10 @@ static uint64_t *const kernel_pm2 = (uint64_t *)0xffffffffffffe000; static uint64_t *get_kernel_pm1e(void *vaddr); static uint64_t *get_kernel_pm2e(void *vaddr); -static void *get_virtual_page(enum map_page_flags flags); -static void *kernel_map_page_at(void *vaddr, +static void *get_virtual_page(enum page_map_flags flags); +static void *page_map_at(void *vaddr, phys_addr_t paddr, - enum map_page_flags flags); + enum page_map_flags flags); // handlers for memory space types int anonymous_page_handler(uint32_t code, void *address); @@ -148,14 +148,14 @@ static phys_addr_t get_kernel_pm3_phys(void) { phys_addr_t pm3_phys; // make a temporary mapping to read pm4 - uint64_t *pm4 = kernel_map_page_at(temp, + uint64_t *pm4 = page_map_at(temp, get_kernel_pm4_phys(), CONTENT_RODATA|SIZE_2M); // pm3_phys is in pm4. pm3_phys = pm4[page_table_index(&k_virt_base, 4)] & PAGE_ADDRESS_MASK; // never leave a temporary mapping - kernel_unmap_page(pm4); + page_unmap(pm4); return pm3_phys; } @@ -164,7 +164,7 @@ static void init_map_page_array_pm2(struct memory_range *pm2_pages) { // now we need to write the physical address of each pm2 page for the // page_array in the kernel's pm3. - uint64_t *pm3 = kernel_map_page_at(temp, + uint64_t *pm3 = page_map_at(temp, get_kernel_pm3_phys(), CONTENT_RWDATA|SIZE_2M); @@ -176,7 +176,7 @@ static void init_map_page_array_pm2(struct memory_range *pm2_pages) PAGE_PR; } // never forget to unmap temporary mappings. - kernel_unmap_page(pm3); + page_unmap(pm3); } static void init_create_page_array_map(struct memory_range *pages, @@ -188,7 +188,7 @@ static void init_create_page_array_map(struct memory_range *pages, // every 512 entries we need to re-map and clean. for (size_t i = 0; i < entry_count; i += PAGE_TABLE_INDEX_MASK) { - uint64_t *pm1 = kernel_map_page_at(temp, + uint64_t *pm1 = page_map_at(temp, maps->base + i * PAGE_SIZE, CONTENT_RWDATA|SIZE_2M); memset(pm1, 0, PAGE_SIZE); @@ -200,7 +200,7 @@ static void init_create_page_array_map(struct memory_range *pages, PAGE_NX|PAGE_WR|PAGE_PR; } - kernel_unmap_page(pm1); + page_unmap(pm1); } } @@ -327,9 +327,9 @@ void memory_init(struct memory_range *ranges, int count) init_heap_space(&kernel_heap_space); } -static void *kernel_map_page_at(void *vaddr, +static void *page_map_at(void *vaddr, phys_addr_t paddr, - enum map_page_flags flags) + enum page_map_flags flags) { uint64_t entry = PAGE_PR; @@ -374,12 +374,12 @@ static void *kernel_map_page_at(void *vaddr, return NULL; } -void *kernel_map_page(phys_addr_t paddr, enum map_page_flags flags) +void *page_map(phys_addr_t paddr, enum page_map_flags flags) { - return kernel_map_page_at(get_virtual_page(flags), paddr, flags); + return page_map_at(get_virtual_page(flags), paddr, flags); } -void kernel_unmap_page(void *vaddr) +void page_unmap(void *vaddr) { uint64_t *pte = get_kernel_pm2e(vaddr); @@ -434,7 +434,7 @@ static uint64_t *get_kernel_pm2e(void *vaddr) return &kernel_pm2[kpm2_index(vaddr)]; } -static void *get_virtual_page(enum map_page_flags flags) +static void *get_virtual_page(enum page_map_flags flags) { (void)flags; return NULL; @@ -473,7 +473,7 @@ int anonymous_page_handler(uint32_t code, void *address) uint64_t *pm1; if (pm1_phys) { - pm1 = kernel_map_page_at(temp, pm1_phys, CONTENT_RWDATA|SIZE_2M); + pm1 = page_map_at(temp, pm1_phys, CONTENT_RWDATA|SIZE_2M); } else { @@ -483,7 +483,7 @@ int anonymous_page_handler(uint32_t code, void *address) memset(pm1, 0, PAGE_SIZE); // put the table where it goes *pm2e = (pm1_phys & PAGE_ADDRESS_MASK)|PAGE_WR|PAGE_PR; - kernel_unmap_page(pm1); + page_unmap(pm1); } uint64_t *pm1e = get_kernel_pm1e(address); diff --git a/kernel/memory.h b/kernel/memory.h index 7ce6000..bb6db50 100644 --- a/kernel/memory.h +++ b/kernel/memory.h @@ -20,7 +20,7 @@ struct memory_range size_t size; }; -enum map_page_flags +enum page_map_flags { CONTENT_CODE = 0x1, CONTENT_RODATA = 0x2, @@ -40,8 +40,8 @@ void *memmove(void *dest, const void *src, size_t size); void *memset(void *dest, int val, size_t size); int memcmp(const void *str1, const void *str2, size_t count); -void *kernel_map_page(phys_addr_t paddr, enum map_page_flags flags); -void kernel_unmap_page(void *vaddr); +void *page_map(phys_addr_t paddr, enum page_map_flags flags); +void page_unmap(void *vaddr); phys_addr_t page_alloc(void); void page_free(phys_addr_t paddr); |