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Commit ffc8b00d authored by Jesper Nilsson's avatar Jesper Nilsson
Browse files

CRIS v32: Update entry.S to working order. 

- Remove oldset parameter.
- Utilise delay-slot for parameter moving.
- Add kernel_execve as break 13.
- Add new kernel syscalls.
parent e8a8abf2

arch/cris/arch-v32/kernel/entry.S

+63 −18
Original line number Diff line number Diff line
@@ -281,12 +281,10 @@ _work_notifysig: 
	;; Deal with pending signals and notify-resume requests.



	addoq	+TI_flags, $r0, $acr

	move.d	[$acr], $r13		; The thread_info_flags parameter.

	move.d	$r9, $r10		; do_notify_resume syscall/irq param.

	moveq	0, $r11			; oldset param - 0 in this case.

	move.d	$sp, $r12		; The regs param.

	move.d	[$acr], $r12		; The thread_info_flags parameter.

	move.d	$sp, $r11		; The regs param.

	jsr	do_notify_resume

	nop

	move.d	$r9, $r10		; do_notify_resume syscall/irq param.



	ba _Rexit

	nop
@@ -515,6 +513,13 @@ _ugdb_handle_exception: 
	ba	do_sigtrap		; SIGTRAP the offending process.

	move.d	[$sp+], $r0		; Restore R0 in delay slot.



	.global kernel_execve

kernel_execve:

	move.d __NR_execve, $r9

	break 13

	ret

	nop



	.data



	.section .rodata,"a"
@@ -805,6 +810,46 @@ sys_call_table: 
	.long sys_mq_getsetattr

	.long sys_ni_syscall		/* reserved for kexec */

	.long sys_waitid

	.long sys_ni_syscall		/* 285 */ /* available */

	.long sys_add_key

	.long sys_request_key

	.long sys_keyctl

	.long sys_ioprio_set

	.long sys_ioprio_get		/* 290 */

	.long sys_inotify_init

	.long sys_inotify_add_watch

	.long sys_inotify_rm_watch

	.long sys_migrate_pages

	.long sys_openat		/* 295 */

	.long sys_mkdirat

	.long sys_mknodat

	.long sys_fchownat

	.long sys_futimesat

	.long sys_fstatat64		/* 300 */

	.long sys_unlinkat

	.long sys_renameat

	.long sys_linkat

	.long sys_symlinkat

	.long sys_readlinkat		/* 305 */

	.long sys_fchmodat

	.long sys_faccessat

	.long sys_pselect6

	.long sys_ppoll

	.long sys_unshare		/* 310 */

	.long sys_set_robust_list

	.long sys_get_robust_list

	.long sys_splice

	.long sys_sync_file_range

	.long sys_tee			/* 315 */

	.long sys_vmsplice

	.long sys_move_pages

	.long sys_getcpu

	.long sys_epoll_pwait

	.long sys_utimensat		/* 320 */

	.long sys_signalfd

	.long sys_timerfd

	.long sys_eventfd

	.long sys_fallocate



        /*

         * NOTE!! This doesn't have to be exact - we just have