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import __stringify from linux 

update the current code

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2010-09-27 12:52:17 +02:00 committed by Sascha Hauer
parent 683e4ef357
commit 5156e781bd
3 changed files with 18 additions and 11 deletions
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12
arch/ppc/include/asm/processor.h
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@ -9,6 +9,7 @@
#include <asm/ptrace.h>
#include <asm/types.h>
#include <linux/stringify.h>
/* Machine State Register (MSR) Fields */
@ -887,22 +888,19 @@ n:
/* Macros for setting and retrieving special purpose registers */
#define stringify(s) tostring(s)
#define tostring(s) #s
#define mfdcr(rn) ({unsigned int rval; \
asm volatile("mfdcr %0," stringify(rn) \
asm volatile("mfdcr %0," __stringify(rn) \
: "=r" (rval)); rval;})
#define mtdcr(rn, v) asm volatile("mtdcr " stringify(rn) ",%0" : : "r" (v))
#define mtdcr(rn, v) asm volatile("mtdcr " __stringify(rn) ",%0" : : "r" (v))
#define mfmsr() ({unsigned int rval; \
asm volatile("mfmsr %0" : "=r" (rval)); rval;})
#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v))
#define mfspr(rn) ({unsigned int rval; \
asm volatile("mfspr %0," stringify(rn) \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval;})
#define mtspr(rn, v) asm volatile("mtspr " stringify(rn) ",%0" : : "r" (v))
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
#define tlbie(v) asm volatile("tlbie %0 \n sync" : : "r" (v))

5
include/command.h
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@ -28,6 +28,7 @@
#define __COMMAND_H
#include <linux/list.h>
#include <linux/stringify.h>
#ifndef NULL
#define NULL 0
@ -75,10 +76,6 @@ void barebox_cmd_usage(struct command *cmdtp);
#endif /* __ASSEMBLY__ */
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
#define Struct_Section __attribute__ ((unused,section (".barebox_cmd")))
#define BAREBOX_CMD_START(_name) \

12
include/linux/stringify.h Normal file
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@ -0,0 +1,12 @@
#ifndef __LINUX_STRINGIFY_H
#define __LINUX_STRINGIFY_H
/* Indirect stringification. Doing two levels allows the parameter to be a
* macro itself. For example, compile with -DFOO=bar, __stringify(FOO)
* converts to "bar".
*/
#define __stringify_1(x...) #x
#define __stringify(x...) __stringify_1(x)
#endif /* !__LINUX_STRINGIFY_H */