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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 13:42:25 +0400 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 21:46:10 +0400 |
| commit | 8b5850f8ac8d9b809db4588b80b568faca5aaaaf (patch) | |
| tree | 9cb026d610787ba2177e3543d44c7f94fdfd6bfe /arch/arc/include/asm/linkage.h | |
| parent | 9c57564e26c5392ac7f0e08cc0ad8d29e225a3a3 (diff) | |
| download | linux-8b5850f8ac8d9b809db4588b80b568faca5aaaaf.tar.xz | |
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>
Diffstat (limited to 'arch/arc/include/asm/linkage.h')
| -rw-r--r-- | arch/arc/include/asm/linkage.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arc/include/asm/linkage.h b/arch/arc/include/asm/linkage.h index a45d1bb50e41..0283e9e44e0d 100644 --- a/arch/arc/include/asm/linkage.h +++ b/arch/arc/include/asm/linkage.h @@ -25,6 +25,39 @@ .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 |