tailix
/
kernel
mirror of https://github.com/tailix/kernel.git
1
0
Fork 0
Code Releases Activity

Use new bitfields

This commit is contained in:
Alex Kotov 2022-12-07 23:29:46 +04:00
parent 8a9a586b51
commit c65fc174ac
Signed by: kotovalexarian
GPG Key ID: 553C0EBBEB5D5F08
2 changed files with 26 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/Makefile
View File

@ -21,8 +21,8 @@ CFLAGS = \
-I$(DRIVERS_PREFIX)/include
CPPFLAGS = \
-DKERNAUX_ENABLE_ASSERT \
-DKERNAUX_ENABLE_GUARD
-DKERNAUX_DEBUG \
-DKERNAUX_BITFIELDS
# Architecture-dependent
OBJS = start.s.o

48
src/paging.c
View File

@ -89,33 +89,33 @@ void mapping(
struct KernAux_Arch_I386_PageDir *const page_dir = &paging->page_dir;
struct KernAux_Arch_I386_PageTable *const page_table = &paging->page_tables[pde_index];
struct KernAux_Arch_I386_PDE *const pde = &page_dir->pdes[pde_index];
struct KernAux_Arch_I386_PTE *const pte = &page_table->ptes[pte_index];
union KernAux_Arch_I386_PDE *const pde = &page_dir->pdes[pde_index];
union KernAux_Arch_I386_PTE *const pte = &page_table->ptes[pte_index];
if (!pde->present) {
pde->addr = KERNAUX_ARCH_I386_ADDR_TO_PDE_ADDR(page_table);
if (!pde->bitfields.present) {
pde->bitfields.addr = KERNAUX_ARCH_I386_ADDR_TO_PDE_ADDR(page_table);
pde->available1 = 0;
pde->page_size = 0;
pde->available0 = 0;
pde->accessed = 0;
pde->cache_disabled = 0;
pde->write_through = 0;
pde->user = 0;
pde->writable = 1;
pde->present = 1;
pde->bitfields.available1 = 0;
pde->bitfields.page_size = 0;
pde->bitfields.available0 = 0;
pde->bitfields.accessed = 0;
pde->bitfields.cache_disabled = 0;
pde->bitfields.write_through = 0;
pde->bitfields.user = 0;
pde->bitfields.writable = 1;
pde->bitfields.present = 1;
}
pte->addr = KERNAUX_ARCH_I386_ADDR_TO_PTE_ADDR(phys);
pte->bitfields.addr = KERNAUX_ARCH_I386_ADDR_TO_PTE_ADDR(phys);
pte->available = 1;
pte->global = 1;
pte->attr_table = 0;
pte->dirty = 0;
pte->accessed = 0;
pte->cache_disabled = 0;
pte->write_through = 0;
pte->user = 0;
pte->writable = 1;
pte->present = 1;
pte->bitfields.available = 1;
pte->bitfields.global = 1;
pte->bitfields.attr_table = 0;
pte->bitfields.dirty = 0;
pte->bitfields.accessed = 0;
pte->bitfields.cache_disabled = 0;
pte->bitfields.write_through = 0;
pte->bitfields.user = 0;
pte->bitfields.writable = 1;
pte->bitfields.present = 1;
}