mirror of
				https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
				synced 2025-10-31 22:26:12 +00:00 
			
		
		
		
	 93ed397011
			
		
	
	
		93ed397011
		
	
	
	
	
		
			
			This declaration specifies the "function" type and size for various assembly functions, mainly needed for generating the correct branch instructions in Thumb-2. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
		
			
				
	
	
		
			52 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
 | |
|    Free Software Foundation, Inc.
 | |
| 
 | |
| This file is free software; you can redistribute it and/or modify it
 | |
| under the terms of the GNU General Public License as published by the
 | |
| Free Software Foundation; either version 2, or (at your option) any
 | |
| later version.
 | |
| 
 | |
| In addition to the permissions in the GNU General Public License, the
 | |
| Free Software Foundation gives you unlimited permission to link the
 | |
| compiled version of this file into combinations with other programs,
 | |
| and to distribute those combinations without any restriction coming
 | |
| from the use of this file.  (The General Public License restrictions
 | |
| do apply in other respects; for example, they cover modification of
 | |
| the file, and distribution when not linked into a combine
 | |
| executable.)
 | |
| 
 | |
| This file is distributed in the hope that it will be useful, but
 | |
| WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
| General Public License for more details.
 | |
| 
 | |
| You should have received a copy of the GNU General Public License
 | |
| along with this program; see the file COPYING.  If not, write to
 | |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 | |
| Boston, MA 02110-1301, USA.  */
 | |
| 
 | |
| 
 | |
| #include <linux/linkage.h>
 | |
| 
 | |
| #ifdef __ARMEB__
 | |
| #define al r1
 | |
| #define ah r0
 | |
| #else
 | |
| #define al r0
 | |
| #define ah r1
 | |
| #endif
 | |
| 
 | |
| ENTRY(__ashldi3)
 | |
| ENTRY(__aeabi_llsl)
 | |
| 
 | |
| 	subs	r3, r2, #32
 | |
| 	rsb	ip, r2, #32
 | |
| 	movmi	ah, ah, lsl r2
 | |
| 	movpl	ah, al, lsl r3
 | |
| 	orrmi	ah, ah, al, lsr ip
 | |
| 	mov	al, al, lsl r2
 | |
| 	mov	pc, lr
 | |
| 
 | |
| ENDPROC(__ashldi3)
 | |
| ENDPROC(__aeabi_llsl)
 |