diff options
-rw-r--r-- | include/kernel/mem.h | 9 | ||||
-rw-r--r-- | kernel/mem.c | 23 |
2 files changed, 32 insertions, 0 deletions
diff --git a/include/kernel/mem.h b/include/kernel/mem.h new file mode 100644 index 0000000..cf162ab --- /dev/null +++ b/include/kernel/mem.h @@ -0,0 +1,9 @@ +#ifndef MEM_H + +#include <kernel/alloc.h> +#include <kernel/paging.h> +#include <stddef.h> + +void* kmalloc(size_t sz); + +#endif diff --git a/kernel/mem.c b/kernel/mem.c new file mode 100644 index 0000000..e2f1889 --- /dev/null +++ b/kernel/mem.c @@ -0,0 +1,23 @@ +#include <kernel/mem.h> +#include <kernel/alloc.h> +#include <kernel/paging.h> + +extern uint32_t _kernel_end; +static uint32_t *heap_start = &_kernel_end; +static uint32_t *heap_end = &_kernel_end; + +int _alloc_new_page(void) { + uint32_t paddr = pfa_alloc_frame(); + if (paddr == 0xFFFFFFFF) + return -1; + map_page(paddr, heap_end, 0x003); +} + +void* kmalloc(size_t sz) { + void *ret = heap_end; + heap_end += sz; + return ret; +} + +void kfree(void *ptr) { +} |