sambuc/codezero
1
0
Fork 0
mirror of https://github.com/drasko/codezero.git synced 2026-01-20 06:43:16 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Minor updates to README

Browse Source
This commit is contained in:
Bahadir Balban
2008-04-19 12:28:49 +01:00
parent df0eccf7b3
commit 9f4e400fed
3 changed files with 21 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
tasks/mm0/src/file.c
View File

@@ -28,7 +28,7 @@ int vfs_read(unsigned long vnum, unsigned long file_offset,
write_mr(L4SYS_ARG2, npages);
write_mr(L4SYS_ARG3, (u32)pagebuf);
if ((err = l4_sendrecv(VFS_TID, VFS_TID, L4_IPC_TAG_READ)) < 0) {
if ((err = l4_sendrecv(VFS_TID, VFS_TID, L4_IPC_TAG_PAGER_READ)) < 0) {
printf("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
return err;
}
@@ -52,7 +52,7 @@ int vfs_write(unsigned long vnum, unsigned long file_offset,
write_mr(L4SYS_ARG2, npages);
write_mr(L4SYS_ARG3, (u32)pagebuf);
if ((err = l4_sendrecv(VFS_TID, VFS_TID, L4_IPC_TAG_WRITE)) < 0) {
if ((err = l4_sendrecv(VFS_TID, VFS_TID, L4_IPC_TAG_PAGER_WRITE)) < 0) {
printf("%s: L4 IPC Error: %d.\n", __FUNCTION__, err);
return err;
}
@@ -266,6 +266,14 @@ int sys_read(l4id_t sender, int fd, void *buf, int count)
return 0;
}
/*
* TODO:
* Page in those writeable pages.
* Update them,
* Then page them out.
*
* If they're new, fs0 should allocate those pages accordingly.
*/
int sys_write(l4id_t sender, int fd, void *buf, int count)
{
BUG();