3 * David Feng <fenghua@phytium.com.cn>
5 * SPDX-License-Identifier: GPL-2.0+
8 #include <asm-offsets.h>
11 #include <asm/ptrace.h>
12 #include <asm/macro.h>
13 #include <linux/linkage.h>
17 * This will save the processor state that is ELR/X0~X30
20 .macro exception_entry
21 stp x29, x30, [sp, #-16]!
22 stp x27, x28, [sp, #-16]!
23 stp x25, x26, [sp, #-16]!
24 stp x23, x24, [sp, #-16]!
25 stp x21, x22, [sp, #-16]!
26 stp x19, x20, [sp, #-16]!
27 stp x17, x18, [sp, #-16]!
28 stp x15, x16, [sp, #-16]!
29 stp x13, x14, [sp, #-16]!
30 stp x11, x12, [sp, #-16]!
31 stp x9, x10, [sp, #-16]!
32 stp x7, x8, [sp, #-16]!
33 stp x5, x6, [sp, #-16]!
34 stp x3, x4, [sp, #-16]!
35 stp x1, x2, [sp, #-16]!
37 /* Could be running at EL3/EL2/EL1 */
38 switch_el x11, 3f, 2f, 1f
48 stp x2, x0, [sp, #-16]!
59 b _do_bad_sync /* Current EL Synchronous Thread */
62 b _do_bad_irq /* Current EL IRQ Thread */
65 b _do_bad_fiq /* Current EL FIQ Thread */
68 b _do_bad_error /* Current EL Error Thread */
71 b _do_sync /* Current EL Synchronous Handler */
74 b _do_irq /* Current EL IRQ Handler */
77 b _do_fiq /* Current EL FIQ Handler */
80 b _do_error /* Current EL Error Handler */