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[S390] convert some assembler to C.

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Convert GET_IPL_DEVICE assembler macro to C function.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2006-09-20 15:59:15 +02:00
committed by Martin Schwidefsky
parent 1375fc1fb0
commit e87bfe51b5
7 changed files with 99 additions and 93 deletions
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1
include/asm-s390/lowcore.h
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@@ -35,6 +35,7 @@
#define __LC_IO_NEW_PSW 0x01f0
#endif /* !__s390x__ */
#define __LC_IPL_PARMBLOCK_PTR 0x014
#define __LC_EXT_PARAMS 0x080
#define __LC_CPU_ADDRESS 0x084
#define __LC_EXT_INT_CODE 0x086

8
include/asm-s390/setup.h
View File

@@ -125,13 +125,15 @@ struct ipl_parameter_block {
/*
* IPL validity flags and parameters as detected in head.S
*/
extern u32 ipl_parameter_flags;
extern u32 ipl_flags;
extern u16 ipl_devno;
void do_reipl(void);
#define IPL_DEVNO_VALID (ipl_parameter_flags & 1)
#define IPL_PARMBLOCK_VALID (ipl_parameter_flags & 2)
enum {
IPL_DEVNO_VALID = 1,
IPL_PARMBLOCK_VALID = 2,
};
#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
IPL_PARMBLOCK_ORIGIN)