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 | |
| parent | a5d4506d070adb785459bf142ef707d7c5fe3b84 (diff) | |
| download | lwn-39ad04ccd6e1b235601e9ac5a7f508d05728a97a.tar.gz lwn-39ad04ccd6e1b235601e9ac5a7f508d05728a97a.zip | |
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')
| -rw-r--r-- | arch/arm/include/asm/assembler.h | 10 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-header.S | 11 | ||||
| -rw-r--r-- | arch/arm/vfp/entry.S | 5 | ||||
| -rw-r--r-- | arch/arm/vfp/vfphw.S | 5 |
4 files changed, 18 insertions, 13 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"; \ diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 39f89fbd5111..1420725142ca 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -236,11 +236,6 @@ movs pc, lr @ return & move spsr_svc into cpsr .endm - .macro get_thread_info, rd - mov \rd, sp, lsr #13 - mov \rd, \rd, lsl #13 - .endm - @ @ 32-bit wide "mov pc, reg" @ @@ -306,12 +301,6 @@ .endm #endif /* ifdef CONFIG_CPU_V7M / else */ - .macro get_thread_info, rd - mov \rd, sp - lsr \rd, \rd, #13 - mov \rd, \rd, lsl #13 - .endm - @ @ 32-bit wide "mov pc, reg" @ diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index 46e17492fd1f..9cc290ae4e3b 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -8,9 +8,12 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/init.h> +#include <linux/linkage.h> #include <asm/thread_info.h> #include <asm/vfpmacros.h> -#include "../kernel/entry-header.S" +#include <asm/assembler.h> +#include <asm/asm-offsets.h> @ VFP entry point. @ diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index 3e5d3115a2a6..98f6246c9002 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -14,10 +14,13 @@ * r10 points at the start of the private FP workspace in the thread structure * sp points to a struct pt_regs (as defined in include/asm/proc/ptrace.h) */ +#include <linux/init.h> +#include <linux/linkage.h> #include <asm/thread_info.h> #include <asm/vfpmacros.h> #include <linux/kern_levels.h> -#include "../kernel/entry-header.S" +#include <asm/assembler.h> +#include <asm/asm-offsets.h> .macro DBGSTR, str #ifdef DEBUG |