| Heiko Schocher | deec15b | 2009-07-23 13:27:04 +0200 | [diff] [blame] | 1 | /* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 |
| 2 | Free Software Foundation, Inc. |
| 3 | |
| Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| Heiko Schocher | deec15b | 2009-07-23 13:27:04 +0200 | [diff] [blame] | 6 | |
| Simon Glass | 1251d51 | 2015-06-02 11:08:20 -0600 | [diff] [blame] | 7 | #include <linux/linkage.h> |
| Marek Vasut | 06b36cb | 2016-05-26 18:01:39 +0200 | [diff] [blame] | 8 | #include <asm/assembler.h> |
| Simon Glass | 1251d51 | 2015-06-02 11:08:20 -0600 | [diff] [blame] | 9 | |
| Heiko Schocher | deec15b | 2009-07-23 13:27:04 +0200 | [diff] [blame] | 10 | #ifdef __ARMEB__ |
| 11 | #define al r1 |
| 12 | #define ah r0 |
| 13 | #else |
| 14 | #define al r0 |
| 15 | #define ah r1 |
| 16 | #endif |
| 17 | |
| Marek Vasut | 06b36cb | 2016-05-26 18:01:39 +0200 | [diff] [blame] | 18 | ENTRY(__lshrdi3) |
| Simon Glass | 1251d51 | 2015-06-02 11:08:20 -0600 | [diff] [blame] | 19 | ENTRY(__aeabi_llsr) |
| Heiko Schocher | deec15b | 2009-07-23 13:27:04 +0200 | [diff] [blame] | 20 | |
| 21 | subs r3, r2, #32 |
| 22 | rsb ip, r2, #32 |
| 23 | movmi al, al, lsr r2 |
| 24 | movpl al, ah, lsr r3 |
| Marek Vasut | 06b36cb | 2016-05-26 18:01:39 +0200 | [diff] [blame] | 25 | ARM( orrmi al, al, ah, lsl ip ) |
| 26 | THUMB( lslmi r3, ah, ip ) |
| 27 | THUMB( orrmi al, al, r3 ) |
| Heiko Schocher | deec15b | 2009-07-23 13:27:04 +0200 | [diff] [blame] | 28 | mov ah, ah, lsr r2 |
| Marek Vasut | 06b36cb | 2016-05-26 18:01:39 +0200 | [diff] [blame] | 29 | ret lr |
| 30 | |
| 31 | ENDPROC(__lshrdi3) |
| Simon Glass | 1251d51 | 2015-06-02 11:08:20 -0600 | [diff] [blame] | 32 | ENDPROC(__aeabi_llsr) |