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Wiring between mm0 page cache and vfs almost what it should look like.

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This implements the infrastructure for read/write system calls where
file content is first searched in mm0's page cache and then read-in
or written via the vfs read/write functions.
	modified:   tasks/fs0/src/syscalls.c
	modified:   tasks/mm0/include/lib/bit.h
	modified:   tasks/mm0/include/lib/idpool.h
	modified:   tasks/mm0/include/task.h
	modified:   tasks/mm0/include/vm_area.h
	modified:   tasks/mm0/main.c
	modified:   tasks/mm0/src/devzero.c
	modified:   tasks/mm0/src/fault.c
	new file:   tasks/mm0/src/file.c
	modified:   tasks/mm0/src/init.c
	modified:   tasks/mm0/src/lib/bit.c
	modified:   tasks/mm0/src/lib/idpool.c
	modified:   tasks/mm0/src/task.c
This commit is contained in:
Bahadir Balban
2008-02-18 22:26:39 +00:00
parent 0fdc64ba2d
commit d67d6b84a9
13 changed files with 365 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
tasks/mm0/src/init.c
View File

@@ -12,6 +12,8 @@
#include <l4lib/arch/syscalls.h>
#include <task.h>
#include <shm.h>
#include <file.h>
#include <init.h>
void init_utcb(void)
{
@@ -46,6 +48,8 @@ void init_mm(struct initdata *initdata)
shm_init();
printf("%s: Initialised shm structures.\n", __TASKNAME__);
vmfile_init();
/* Give the kernel some memory to use for its allocators */
l4_kmem_grant(__pfn(alloc_page(__pfn(SZ_1MB))), __pfn(SZ_1MB));
}