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Code that compiles until initialization of containers and pagers.

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This commit is contained in:
Bahadir Balban
2009-08-02 23:43:14 +03:00
parent 82807c2f0a
commit 7e8845abf8
29 changed files with 1012 additions and 700 deletions
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45
src/generic/space.c
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@@ -8,6 +8,7 @@
#include INC_ARCH(exception.h)
#include INC_SUBARCH(mm.h)
#include <l4/generic/space.h>
#include <l4/generic/container.h>
#include <l4/generic/tcb.h>
#include <l4/generic/kmalloc.h>
#include <l4/api/space.h>
@@ -16,25 +17,23 @@
#include <l4/lib/idpool.h>
static struct address_space_list address_space_list;
void init_address_space_list(void)
void init_address_space_list(struct address_space_list *space_list)
{
memset(&address_space_list, 0, sizeof(address_space_list));
memset(space_list, 0, sizeof(*space_list));
mutex_init(&address_space_list.ref_lock);
spin_lock_init(&address_space_list.list_lock);
link_init(&address_space_list.list);
mutex_init(&space_list->ref_lock);
spin_lock_init(&space_list->list_lock);
link_init(&space_list->list);
}
void address_space_reference_lock()
{
mutex_lock(&address_space_list.ref_lock);
mutex_lock(&curcont->space_list.ref_lock);
}
void address_space_reference_unlock()
{
mutex_unlock(&address_space_list.ref_lock);
mutex_unlock(&curcont->space_list.ref_lock);
}
void address_space_attach(struct ktcb *tcb, struct address_space *space)
@@ -47,33 +46,33 @@ struct address_space *address_space_find(l4id_t spid)
{
struct address_space *space;
spin_lock(&address_space_list.list_lock);
list_foreach_struct(space, &address_space_list.list, list) {
spin_lock(&curcont->space_list.list_lock);
list_foreach_struct(space, &curcont->space_list.list, list) {
if (space->spid == spid) {
spin_unlock(&address_space_list.list_lock);
spin_unlock(&curcont->space_list.list_lock);
return space;
}
}
spin_unlock(&address_space_list.list_lock);
spin_unlock(&curcont->space_list.list_lock);
return 0;
}
void address_space_add(struct address_space *space)
{
spin_lock(&address_space_list.list_lock);
spin_lock(&curcont->space_list.list_lock);
BUG_ON(!list_empty(&space->list));
list_insert(&space->list, &address_space_list.list);
BUG_ON(!++address_space_list.count);
spin_unlock(&address_space_list.list_lock);
list_insert(&space->list, &curcont->space_list.list);
BUG_ON(!++curcont->space_list.count);
spin_unlock(&curcont->space_list.list_lock);
}
void address_space_remove(struct address_space *space)
{
spin_lock(&address_space_list.list_lock);
spin_lock(&curcont->space_list.list_lock);
BUG_ON(list_empty(&space->list));
BUG_ON(--address_space_list.count < 0);
BUG_ON(--curcont->space_list.count < 0);
list_remove_init(&space->list);
spin_unlock(&address_space_list.list_lock);
spin_unlock(&curcont->space_list.list_lock);
}
/* Assumes address space reflock is already held */
@@ -98,12 +97,12 @@ struct address_space *address_space_create(struct address_space *orig)
int err;
/* Allocate space structure */
if (!(space = kzalloc(sizeof(*space))))
if (!(space = alloc_space()))
return PTR_ERR(-ENOMEM);
/* Allocate pgd */
if (!(pgd = alloc_pgd())) {
kfree(space);
free_space(space);
return PTR_ERR(-ENOMEM);
}
@@ -120,7 +119,7 @@ struct address_space *address_space_create(struct address_space *orig)
* is not allowed since spid field is used to indicate the space to
* copy from.
*/
space->spid = id_new(space_id_pool);
space->spid = id_new(&kernel_container.space_ids);
/* If an original space is supplied */
if (orig) {