diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2014-04-02 10:57:48 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-09 13:08:07 +0100 |
| commit | 39ad04ccd6e1b235601e9ac5a7f508d05728a97a (patch) | |
| tree | d50dbff0e4d813aaf3ee0199e2ec853422145ba3 /arch/arm/include/asm/assembler.h | |
| parent | a5d4506d070adb785459bf142ef707d7c5fe3b84 (diff) | |
ARM: 8017/1: Move asm macro get_thread_info to asm/assembler.h
asm/assembler.h is a better place for this macro since it is used by
asm files outside arch/arm/kernel/
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Arun KS <getarunks@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
| -rw-r--r-- | arch/arm/include/asm/assembler.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 380ac4f20000..9a4965ad6867 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -174,6 +174,16 @@ restore_irqs_notrace \oldcpsr .endm +/* + * Get current thread_info. + */ + .macro get_thread_info, rd + ARM( mov \rd, sp, lsr #13 ) + THUMB( mov \rd, sp ) + THUMB( lsr \rd, \rd, #13 ) + mov \rd, \rd, lsl #13 + .endm + #define USER(x...) \ 9999: x; \ .pushsection __ex_table,"a"; \ |