Minix/minix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ARM:Rename ARM_BIG_PAGE to ARM_SECTION.

Browse Source 
The natural term to use when talking about MINIX big pages on ARM
is SECTION. A section is a level 1 page table entry pointing to
a 1MB area.

Change-Id: I9bd27ca99bc772126c31c27a537b1415db20c4a6
This commit is contained in:
Kees Jongenburger
2013-04-29 11:42:26 +02:00
parent 236a320240
commit e6bac75a8b
4 changed files with 11 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
kernel/arch/earm/memory.c
View File

@@ -123,10 +123,10 @@ static phys_bytes createpde(
* if that is less than the requested range.
*/
offset = linaddr & ARM_VM_OFFSET_MASK_1MB; /* Offset in 1MB window. */
*bytes = MIN(*bytes, ARM_BIG_PAGE_SIZE - offset);
*bytes = MIN(*bytes, ARM_SECTION_SIZE - offset);
/* Return the linear address of the start of the new mapping. */
return ARM_BIG_PAGE_SIZE*pde + offset;
return ARM_SECTION_SIZE*pde + offset;
}
@@ -315,7 +315,7 @@ int vm_lookup(const struct proc *proc, const vir_bytes virtual,
/* We don't expect to ever see this.
* LSC Impossible with the previous test.
if(pde_v & ARM_VM_BIGPAGE) {
if(pde_v & ARM_VM_SECTION) {
*physical = pde_v & ARM_VM_SECTION_MASK;
if(ptent) *ptent = pde_v;
*physical += virtual & ARM_VM_OFFSET_MASK_1MB;

12
kernel/arch/earm/pg_utils.c
View File

@@ -160,7 +160,7 @@ void pg_identity(kinfo_t *cbi)
u32_t flags = ARM_VM_SECTION
| ARM_VM_SECTION_USER
| ARM_VM_SECTION_DOMAIN;
phys = i * ARM_BIG_PAGE_SIZE;
phys = i * ARM_SECTION_SIZE;
pagedir[i] = phys | flags;
}
}
@@ -170,16 +170,16 @@ int pg_mapkernel(void)
int pde;
u32_t mapped = 0, kern_phys = kern_phys_start;
assert(!(kern_vir_start % ARM_BIG_PAGE_SIZE));
assert(!(kern_phys_start % ARM_BIG_PAGE_SIZE));
pde = kern_vir_start / ARM_BIG_PAGE_SIZE; /* start pde */
assert(!(kern_vir_start % ARM_SECTION_SIZE));
assert(!(kern_phys_start % ARM_SECTION_SIZE));
pde = kern_vir_start / ARM_SECTION_SIZE; /* start pde */
while(mapped < kern_kernlen) {
pagedir[pde] = (kern_phys & ARM_VM_PDE_MASK) | ARM_VM_SECTION
| ARM_VM_SECTION_SUPER
| ARM_VM_SECTION_DOMAIN
| ARM_VM_SECTION_WT;
mapped += ARM_BIG_PAGE_SIZE;
kern_phys += ARM_BIG_PAGE_SIZE;
mapped += ARM_SECTION_SIZE;
kern_phys += ARM_SECTION_SIZE;
pde++;
}
return pde; /* free pde */