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Revised task initialisation, revising mmap yet.

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This commit is contained in:
Bahadir Balban
2008-03-06 20:55:46 +00:00
parent 5681f3d1cb
commit 783904574d
12 changed files with 589 additions and 308 deletions
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22
tasks/mm0/include/task.h
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@@ -16,7 +16,13 @@
#define __TASKNAME__ __PAGERNAME__
#define TASK_OFILES_MAX 32
#define TASK_FILES_MAX 32
/* POSIX minimum is 4Kb */
#define DEFAULT_ENV_SIZE SZ_16KB
#define DEFAULT_STACK_SIZE SZ_16KB
#define DEFAULT_UTCB_SIZE PAGE_SIZE
struct vm_file;
@@ -26,13 +32,6 @@ struct file_descriptor {
struct vm_file *vmfile;
};
struct proc_files {
struct vm_file *stackfile; /* ZI, private, devzero, then autogenerated */
struct vm_file *envfile; /* NON-ZI, private, autogenerated, then autogenerated */
struct vm_file *datafile; /* NON-ZI, private, real file, then autogenerated */
struct vm_file *bssfile; /* ZI private, devzero, then autogenerated */
};
/* Stores all task information that can be kept in userspace. */
struct tcb {
/* Task list */
@@ -67,22 +66,17 @@ struct tcb {
/* UTCB address */
unsigned long utcb_address;
/* Task's private files */
struct proc_files proc_files;
/* Virtual memory areas */
struct list_head vm_area_list;
/* File descriptors for this task */
struct file_descriptor fd[TASK_OFILES_MAX];
struct file_descriptor fd[TASK_FILES_MAX];
};
struct tcb *find_task(int tid);
struct initdata;
void init_pm(struct initdata *initdata);
int start_init_tasks(struct initdata *initdata);
void dump_tasks(void);
void send_task_data(l4id_t requester);