1/* SPDX-License-Identifier: GPL-2.0 */
 2#include <asm/assembler.h>
 3
 4/*
 5 * Interrupt handling.  Preserves r7, r8, r9
 6 */
 7	.macro	arch_irq_handler_default
 8	get_irqnr_preamble r6, lr
 91:	get_irqnr_and_base r0, r2, r6, lr
10	movne	r1, sp
11	@
12	@ routine called with r0 = irq number, r1 = struct pt_regs *
13	@
14	badrne	lr, 1b
15	bne	asm_do_IRQ
16
17#ifdef CONFIG_SMP
18	/*
19	 * XXX
20	 *
21	 * this macro assumes that irqstat (r2) and base (r6) are
22	 * preserved from get_irqnr_and_base above
23	 */
24	ALT_SMP(test_for_ipi r0, r2, r6, lr)
25	ALT_UP_B(9997f)
26	movne	r1, sp
27	badrne	lr, 1b
28	bne	do_IPI
29#endif
309997:
31	.endm
32
33	.macro	arch_irq_handler, symbol_name
34	.align	5
35	.global \symbol_name
36\symbol_name:
37	mov	r8, lr
38	arch_irq_handler_default
39	ret	r8
40	.endm