117 Commits

Author	SHA1	Message	Date
sBubshait	79f6a8e808	Fix Bug in syscall handler related to pointer arithmetic: add sizeof uintptr_t instead of 1	2024-11-04 00:44:55 +00:00
sBubshait	3a258cf064	Update validate_user_pointer to perform no memory checks when size is 0	2024-11-04 00:38:58 +00:00
sBubshait	e718159ed8	Update syscall to use screaming uppercase casing for a constant	2024-11-04 00:29:07 +00:00
sBubshait	ade8faf0f4	Update syscall to add more comments explaining the basic handler	2024-11-04 00:20:09 +00:00
Themis Demetriades	6f9c911ebe	Update start_process to pad process stack before pushing argv elements for performance	2024-11-04 00:19:36 +00:00
Themis Demetriades	62d2cb54e5	Update start_process to push pointers to process arguments onto the process thread's stack	2024-11-04 00:16:04 +00:00
Themis Demetriades	92c681ff02	Reformat start_process stack initialization code to follow style	2024-11-04 00:04:08 +00:00
Themis Demetriades	34d6c15d73	Update start_process to push process argument values to its thread's stack	2024-11-04 00:00:56 +00:00
sBubshait	d626b7a392	Implement basic syscall_handler using the lookup table, w/ E	2024-11-03 23:47:22 +00:00
EDiasAlberto	87126237ad	Implement function to validate user memory pointers w/ S.	2024-11-03 23:20:42 +00:00
sBubshait	62453ef432	Add a look up table from system call numbers to their handler functions, w/ E	2024-11-03 22:54:03 +00:00
EDiasAlberto	c0f85a6bcc	Implement skeleton for exit command w/ S.	2024-11-03 22:36:22 +00:00
EDiasAlberto	fa6dac2108	Implement halt system call w/ S.	2024-11-03 22:34:50 +00:00
sBubshait	0bf5fdb0e5	Add syscall_function type definition for the different syscall handlers, w/ E	2024-11-03 22:28:17 +00:00
Themis Demetriades	e26b11cce6	Update setup_stack skeleton to fake minimal stack set-up for testing purposes	2024-11-03 18:04:42 +00:00
Themis Demetriades	eb458efa59	Update process_wait skeleton to loop infinitely for testing purposes	2024-11-03 17:38:38 +00:00
LabTS	8724a2641e	provided code	2024-10-01 23:37:39 +01:00