linux/arch/arc/include/asm/linkage.h
Vineet Gupta 8b5850f8ac ARC: Support for single cycle Close Coupled Mem (CCM)
* Includes mapping of CCMs in address space
* Annotations to move arbitrary code/data into CCM
* Moving some of the critical code/data into CCM
* Runtime detection/reporting

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-02-15 23:16:10 +05:30

64 lines
1.4 KiB
C

/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
#ifdef __ASSEMBLY__
/* Can't use the ENTRY macro in linux/linkage.h
* gas considers ';' as comment vs. newline
*/
.macro ARC_ENTRY name
.global \name
.align 4
\name:
.endm
.macro ARC_EXIT name
#define ASM_PREV_SYM_ADDR(name) .-##name
.size \ name, ASM_PREV_SYM_ADDR(\name)
.endm
/* annotation for data we want in DCCM - if enabled in .config */
.macro ARCFP_DATA nm
#ifdef CONFIG_ARC_HAS_DCCM
.section .data.arcfp
#else
.section .data
#endif
.global \nm
.endm
/* annotation for data we want in DCCM - if enabled in .config */
.macro ARCFP_CODE
#ifdef CONFIG_ARC_HAS_ICCM
.section .text.arcfp, "ax",@progbits
#else
.section .text, "ax",@progbits
#endif
.endm
#else /* !__ASSEMBLY__ */
#ifdef CONFIG_ARC_HAS_ICCM
#define __arcfp_code __attribute__((__section__(".text.arcfp")))
#else
#define __arcfp_code __attribute__((__section__(".text")))
#endif
#ifdef CONFIG_ARC_HAS_DCCM
#define __arcfp_data __attribute__((__section__(".data.arcfp")))
#else
#define __arcfp_data __attribute__((__section__(".data")))
#endif
#endif /* __ASSEMBLY__ */
#endif