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OpenCloudOS-Kernel/arch/microblaze/lib/libgcc.h

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microblaze: Add libgcc function directly to kernel Replaced libgcc functions with asm optimized implementation. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-08-12 20:28:53 +08:00
#ifndef __ASM_LIBGCC_H
#define __ASM_LIBGCC_H
#include <asm/byteorder.h>
typedef int word_type __attribute__ ((mode (__word__)));
#ifdef __BIG_ENDIAN
struct DWstruct {
int high, low;
};
#elif defined(__LITTLE_ENDIAN)
struct DWstruct {
int low, high;
};
#else
#error I feel sick.
#endif
typedef union {
struct DWstruct s;
long long ll;
} DWunion;
microblaze: lib: Add lib function declarations Function declarations fix these sparse warnings: arch/microblaze/lib/ashldi3.c:5:11: warning: symbol '__ashldi3' was not declared. Should it be static? arch/microblaze/lib/muldi3.c:50:8: warning: symbol '__muldi3' was not declared. Should it be static? arch/microblaze/lib/cmpdi2.c:5:11: warning: symbol '__cmpdi2' was not declared. Should it be static? arch/microblaze/lib/lshrdi3.c:5:11: warning: symbol '__lshrdi3' was not declared. Should it be static? arch/microblaze/lib/ashrdi3.c:5:11: warning: symbol '__ashrdi3' was not declared. Should it be static? arch/microblaze/lib/ucmpdi2.c:5:11: warning: symbol '__ucmpdi2' was not declared. Should it be static? Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2012-12-14 00:47:55 +08:00
extern long long __ashldi3(long long u, word_type b);
extern long long __ashrdi3(long long u, word_type b);
extern word_type __cmpdi2(long long a, long long b);
extern long long __lshrdi3(long long u, word_type b);
extern long long __muldi3(long long u, long long v);
extern word_type __ucmpdi2(unsigned long long a, unsigned long long b);
microblaze: Add libgcc function directly to kernel Replaced libgcc functions with asm optimized implementation. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-08-12 20:28:53 +08:00
#endif /* __ASM_LIBGCC_H */