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| author | H. Peter Anvin <hpa@zytor.com> | 2006-08-28 02:45:55 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2006-08-28 02:45:55 -0700 |
| commit | e3f74a218f641d6d17d3241b271dc70320b8a979 (patch) | |
| tree | fbf5c8becef28e908ab6cf12541caee1b3cb4a9b | |
| parent | ca2232343b4a9d919710d96ee84e16e948869992 (diff) | |
| download | syslinux-elf-e3f74a218f641d6d17d3241b271dc70320b8a979.tar.gz syslinux-elf-e3f74a218f641d6d17d3241b271dc70320b8a979.tar.xz syslinux-elf-e3f74a218f641d6d17d3241b271dc70320b8a979.zip | |
Include file updates
| -rw-r--r-- | com32/include/com32.h | 22 | ||||
| -rw-r--r-- | com32/include/math.h | 8 | ||||
| -rw-r--r-- | com32/include/sys/fpu.h | 6 |
3 files changed, 36 insertions, 0 deletions
diff --git a/com32/include/com32.h b/com32/include/com32.h index 5706683c..16cd792b 100644 --- a/com32/include/com32.h +++ b/com32/include/com32.h @@ -122,4 +122,26 @@ static inline void *MK_PTR(uint16_t __seg, uint16_t __offs) return (void *)((__seg << 4) + __offs); } +/* Some tools to handle 16:16 far pointers in memory */ + +struct __far_ptr { + uint32_t __ptr; +} __attribute__((packed)); + +typedef struct __far_ptr far_ptr_t; + + +static inline void *GET_PTR(far_ptr_t __fptr) +{ + return MK_PTR(__fptr.__ptr >> 16, __fptr.__ptr); +} + +static inline far_ptr_t FAR_PTR(void *__ptr) +{ + far_ptr_t __fptr; + + __fptr.__ptr = (SEG(__ptr) << 16) + OFFS(__ptr); + return __fptr; +} + #endif /* _COM32_H */ diff --git a/com32/include/math.h b/com32/include/math.h new file mode 100644 index 00000000..5aaa9ada --- /dev/null +++ b/com32/include/math.h @@ -0,0 +1,8 @@ +#ifndef _MATH_H +#define _MATH_H + +double pow(double, double); +double fabs(double); +double strtod(const char *, char **); + +#endif /* _MATH_H */ diff --git a/com32/include/sys/fpu.h b/com32/include/sys/fpu.h new file mode 100644 index 00000000..134ae596 --- /dev/null +++ b/com32/include/sys/fpu.h @@ -0,0 +1,6 @@ +#ifndef _SYS_FPU_H +#define _SYS_FPU_H + +extern int x86_init_fpu(void); + +#endif /* _SYS_FPU_H */ |