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1 | //------------------------------------------------------------------------------\r | |
2 | //\r | |
3 | // Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
4 | // Copyright (c) 2018, Pete Batard. All rights reserved.<BR>\r | |
5 | //\r | |
6 | // SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | //\r | |
8 | //------------------------------------------------------------------------------\r | |
9 | \r | |
10 | EXPORT __aeabi_llsr\r | |
11 | EXPORT __rt_srsh\r | |
12 | \r | |
13 | AREA s___aeabi_llsr, CODE, READONLY, ARM\r | |
14 | \r | |
15 | ARM\r | |
16 | \r | |
17 | ;\r | |
18 | ;VOID\r | |
19 | ;EFIAPI\r | |
20 | ;__aeabi_llsr (\r | |
21 | ; IN UINT64 Value,\r | |
22 | ; IN UINT32 Shift\r | |
23 | ;)\r | |
24 | ;\r | |
25 | __aeabi_llsr\r | |
26 | __rt_srsh\r | |
27 | SUBS r3,r2,#0x20\r | |
28 | BPL __aeabi_llsr_label1\r | |
29 | RSB r3,r2,#0x20\r | |
30 | LSR r0,r0,r2\r | |
31 | ORR r0,r0,r1,LSL r3\r | |
32 | LSR r1,r1,r2\r | |
33 | BX lr\r | |
34 | __aeabi_llsr_label1\r | |
35 | LSR r0,r1,r3\r | |
36 | MOV r1,#0\r | |
37 | BX lr\r | |
38 | \r | |
39 | END\r |