1#------------------------------------------------------------------------------
2#
3# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
4#
5# SPDX-License-Identifier: BSD-2-Clause-Patent
6#
7#------------------------------------------------------------------------------
8
9#include <AsmMacroIoLib.h>
10
11#
12#UINT32
13#EFIAPI
14#__aeabi_uread4 (
15#  IN VOID   *Pointer
16#  );
17#
18ASM_FUNC(__aeabi_uread4)
19    ldrb    r1, [r0]
20    ldrb    r2, [r0, #1]
21    ldrb    r3, [r0, #2]
22    ldrb    r0, [r0, #3]
23    orr     r1, r1, r2, lsl #8
24    orr     r1, r1, r3, lsl #16
25    orr     r0, r1, r0, lsl #24
26    bx      lr
27
28#
29#UINT64
30#EFIAPI
31#__aeabi_uread8 (
32#  IN VOID   *Pointer
33#  );
34#
35ASM_FUNC(__aeabi_uread8)
36    mov     r3, r0
37
38    ldrb    r1, [r3]
39    ldrb    r2, [r3, #1]
40    orr     r1, r1, r2, lsl #8
41    ldrb    r2, [r3, #2]
42    orr     r1, r1, r2, lsl #16
43    ldrb    r0, [r3, #3]
44    orr     r0, r1, r0, lsl #24
45
46    ldrb    r1, [r3, #4]
47    ldrb    r2, [r3, #5]
48    orr     r1, r1, r2, lsl #8
49    ldrb    r2, [r3, #6]
50    orr     r1, r1, r2, lsl #16
51    ldrb    r2, [r3, #7]
52    orr     r1, r1, r2, lsl #24
53
54    bx      lr
55