1/* 2 * Copyright 2018, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the BSD 2-Clause license. Note that NO WARRANTY is provided. 8 * See "LICENSE_BSD2.txt" for details. 9 * 10 * @TAG(DATA61_BSD) 11 */ 12#pragma once 13 14#include <vka/vka.h> 15#include <vka/kobject_t.h> 16#include <utils/util.h> 17 18static inline int vka_alloc_vspace_root(vka_t *vka, vka_object_t *result) 19{ 20 return vka_alloc_object(vka, kobject_get_type(KOBJECT_PAGE_TABLE, 0), seL4_PageTableBits, result); 21} 22 23 24static inline unsigned long 25vka_arch_get_object_size(seL4_Word objectType) 26{ 27 switch (objectType) { 28 case seL4_RISCV_4K_Page: 29 return seL4_PageBits; 30 case seL4_RISCV_Mega_Page: 31 return seL4_LargePageBits; 32#if CONFIG_PT_LEVELS > 2 33 case seL4_RISCV_Giga_Page: 34 return seL4_HugePageBits; 35#endif 36#if CONFIG_PT_LEVELS > 3 37 case seL4_RISCV_Tera_Page: 38 return seL4_TeraPageBits; 39#endif 40 case seL4_RISCV_PageTableObject: 41 return seL4_PageTableBits; 42 43 default: 44 ZF_LOGE("Unknown object type %ld", (long)objectType); 45 return -1; 46 } 47} 48 49