1/*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17
18#include <lk/asm.h>
19
20// int call_with_stack_asm(void *stack, int (*fp)(), int arg1, int arg2, int arg3, int arg4, int arg5);
21FUNCTION(call_with_stack_asm)
22stp     fp, lr, [sp, #-16]!
23mov     fp, sp
24
25sub     x0,x0,16
26mov     x8,sp
27str     x8,[x0]
28mov     sp,x0
29mov     x7,x1
30mov     x0,x2
31mov     x1,x3
32mov     x2,x4
33mov     x3,x5
34mov     x4,x6
35blr     x7
36ldr     x8,[sp]
37mov     sp,x8
38
39ldp     fp, lr, [sp], 16
40ret     lr
41END_FUNCTION(call_with_stack_asm)
42