korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-20 21:04:40 +08:00
Code Issues Packages Projects Releases Wiki Activity

powerpc/cputable: Reserve bits in HWCAP2 for new features

Browse Source 
Also, make HTM's presence dependent on the .config option.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Nishanth Aravamudan 2013-05-03 14:47:56 +00:00 committed by Benjamin Herrenschmidt
parent d82fb31abc
commit cbbc6f1b14
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/include/asm/cputable.h
View File

@ -224,8 +224,10 @@ extern const char *powerpc_base_platform;
/* We only set the TM feature if the kernel was compiled with TM supprt */
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
#define CPU_FTR_TM_COMP CPU_FTR_TM
#define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM
#else
#define CPU_FTR_TM_COMP 0
#define PPC_FEATURE2_HTM_COMP 0
#endif
/* We need to mark all pages as being coherent if we're SMP or we have a

9
arch/powerpc/include/uapi/asm/cputable.h
View File

@ -1,6 +1,7 @@
#ifndef _UAPI__ASM_POWERPC_CPUTABLE_H
#define _UAPI__ASM_POWERPC_CPUTABLE_H
/* in AT_HWCAP */
#define PPC_FEATURE_32 0x80000000
#define PPC_FEATURE_64 0x40000000
#define PPC_FEATURE_601_INSTR 0x20000000
@ -33,4 +34,12 @@
#define PPC_FEATURE_TRUE_LE 0x00000002
#define PPC_FEATURE_PPC_LE 0x00000001
/* in AT_HWCAP2 */
#define PPC_FEATURE2_ARCH_2_07 0x80000000
#define PPC_FEATURE2_HTM 0x40000000
#define PPC_FEATURE2_DSCR 0x20000000
#define PPC_FEATURE2_EBB 0x10000000
#define PPC_FEATURE2_ISEL 0x08000000
#define PPC_FEATURE2_TAR 0x04000000
#endif /* _UAPI__ASM_POWERPC_CPUTABLE_H */