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Added preliminary support for execve(). Updates to clone, fork, exit, task handling.

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It turned out we used one version of kmalloc for malloc() and another for kfree()!
Now fixed.
Added parent-child relationship to tasks. Need to polish handling CLONE_PARENT and THREAD.
This commit is contained in:
Bahadir Balban
2008-11-19 12:59:52 +02:00
parent d182b5b35a
commit 46937eab88
39 changed files with 502 additions and 1192 deletions
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4
tasks/mm0/include/vm_area.h
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@@ -225,6 +225,7 @@ struct vm_object *vm_object_create(void);
struct vm_file *vm_file_create(void);
int vm_file_delete(struct vm_file *f);
int vm_object_delete(struct vm_object *vmo);
void vm_file_put(struct vm_file *f);
/* Printing objects, files */
void vm_object_print(struct vm_object *vmo);
@@ -235,6 +236,9 @@ void vm_print_files(struct list_head *file_list);
int prefault_page(struct tcb *task, unsigned long address,
unsigned int vmflags);
struct page *page_init(struct page *page);
struct page *find_page(struct vm_object *vmo, unsigned long page_offset);
void *pager_map_page(struct vm_file *f, unsigned long page_offset);
void pager_unmap_page(void *vaddr);
/* To get currently mapped page of a virtual address on a task */
struct page *task_virt_to_page(struct tcb *t, unsigned long virtual);