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Kernel updates since December 2009

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This commit is contained in:
Bahadir Balban
2010-03-25 01:12:40 +02:00
parent 16818191b3
commit 74b5963fcb
487 changed files with 22477 additions and 3857 deletions
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52
src/generic/container.c
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@@ -8,8 +8,10 @@
#include <l4/generic/capability.h>
#include <l4/generic/cap-types.h>
#include <l4/generic/bootmem.h>
#include <l4/generic/thread.h>
#include <l4/api/errno.h>
#include INC_GLUE(memory.h)
#include INC_GLUE(mapping.h)
#include INC_SUBARCH(mm.h)
#include INC_ARCH(linker.h)
@@ -83,22 +85,16 @@ struct container *container_find(struct kernel_resources *kres, l4id_t cid)
* This involves setting up pager's ktcb, space, utcb,
* all ids, registers, and mapping its (perhaps) first
* few pages in order to make it runnable.
*
* The first pager initialization is a special-case
* since it uses the current kernel pgd.
*/
int init_pager(struct pager *pager,
struct container *cont,
pgd_table_t *current_pgd)
int init_pager(struct pager *pager, struct container *cont)
{
struct ktcb *task;
struct address_space *space;
int first = !!current_pgd;
/*
* Set up dummy current cap_list so that cap accounting
* can be done to this pager. Note, that we're still on
* bootstack.
* idle task stack.
*/
cap_list_move(&current->cap_list, &pager->cap_list);
@@ -108,25 +104,8 @@ int init_pager(struct pager *pager,
/* New ktcb allocation is needed */
task = tcb_alloc_init(cont->cid);
/* If first, manually allocate/initalize space */
if (first) {
if (!(space = alloc_space()))
return -ENOMEM;
/* Set up space id */
space->spid = id_new(&kernel_resources.space_ids);
/* Initialize space structure */
link_init(&space->list);
mutex_init(&space->lock);
cap_list_init(&space->cap_list);
space->pgd = current_pgd;
address_space_attach(task, space);
} else {
/* Otherwise allocate conventionally */
space = address_space_create(0);
address_space_attach(task, space);
}
space = address_space_create(0);
address_space_attach(task, space);
/* Initialize ktcb */
task_init_registers(task, pager->start_address);
@@ -136,6 +115,9 @@ int init_pager(struct pager *pager,
task->tgid = task->tid;
task->container = cont;
/* Set cpu affinity */
thread_setup_affinity(task);
/* Add the address space to container space list */
address_space_add(task->space);
@@ -148,7 +130,7 @@ int init_pager(struct pager *pager,
/* Map the task's space */
add_mapping_pgd(pager->start_lma, pager->start_vma,
page_align_up(pager->memsize),
MAP_USR_DEFAULT_FLAGS, TASK_PGD(task));
MAP_USR_RWX, TASK_PGD(task));
/* Move capability list from dummy to task's space cap list */
cap_list_move(&task->space->cap_list, &current->cap_list);
@@ -162,6 +144,7 @@ int init_pager(struct pager *pager,
/* Container list that keeps all tasks */
tcb_add(task);
return 0;
}
@@ -256,24 +239,15 @@ int update_dynamic_capids(struct kernel_resources *kres)
* Initialize all containers with their initial set of tasks,
* spaces, scheduler parameters such that they can be started.
*/
int container_init_pagers(struct kernel_resources *kres,
pgd_table_t *current_pgd)
int container_init_pagers(struct kernel_resources *kres)
{
struct container *cont;
struct pager *pager;
int first = 1;
list_foreach_struct(cont, &kres->containers.list, list) {
for (int i = 0; i < cont->npagers; i++) {
pager = &cont->pager[i];
/* First pager initializes specially */
if (first) {
init_pager(pager, cont, current_pgd);
first = 0;
} else {
init_pager(pager, cont, 0);
}
init_pager(pager, cont);
}
}