From 838f39324a1f305562addce6d807400522d9c469 Mon Sep 17 00:00:00 2001 From: Ada Christine Date: Sun, 19 Feb 2023 23:31:10 +0000 Subject: preparations for user mode --- kc/core/memory.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'kc/core/memory.h') diff --git a/kc/core/memory.h b/kc/core/memory.h index 1303a99..6f70e57 100644 --- a/kc/core/memory.h +++ b/kc/core/memory.h @@ -19,10 +19,13 @@ enum page_map_flags CONTENT_RWDATA = 0x3, CONTENT_MASK = 0x3, - SIZE_4K = 0x4, - SIZE_2M = 0x8, - SIZE_1G = 0xc, - SIZE_MASK = 0xc, + PRIV_USER = 0x4, + PRIV_MASK = 0x4, + + SIZE_4K = 0x8, + SIZE_2M = 0x10, + SIZE_1G = 0x18, + SIZE_MASK = 0x18, }; enum page_alloc_flags @@ -60,6 +63,7 @@ int page_inc_ref(kc_phys_addr page); int page_dec_ref(kc_phys_addr page); void *page_map(phys_addr_t paddr, enum page_map_flags flags); +void *page_set_flags(void *vaddr, enum page_map_flags flags); void page_unmap(void *vaddr); phys_addr_t page_alloc(enum page_alloc_flags flags); -- cgit v1.3.1-1-g115d