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author | H. Peter Anvin <hpa@zytor.com> | 2008-03-26 16:25:35 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-03-26 16:25:35 -0700 |
commit | 9eddd22a7b53b1d02fbae0d987df8af122924248 (patch) | |
tree | 882f5152880b0b1aa2d7a0619d30065acc69fb16 /gpxe/src/arch/i386/include/basemem.h | |
parent | bbb8f15936b851e6a0ef6f7bb2c95197bff35994 (diff) | |
download | syslinux-9eddd22a7b53b1d02fbae0d987df8af122924248.tar.gz |
Add gPXE into the source tree; build unified imagesyslinux-3.70-pre7
Diffstat (limited to 'gpxe/src/arch/i386/include/basemem.h')
-rw-r--r-- | gpxe/src/arch/i386/include/basemem.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gpxe/src/arch/i386/include/basemem.h b/gpxe/src/arch/i386/include/basemem.h new file mode 100644 index 00000000..cd5668e0 --- /dev/null +++ b/gpxe/src/arch/i386/include/basemem.h @@ -0,0 +1,33 @@ +#ifndef _BASEMEM_H +#define _BASEMEM_H + +/** @file + * + * Base memory allocation + * + */ + +#include <stdint.h> +#include <realmode.h> +#include <bios.h> + +/** + * Read the BIOS free base memory counter + * + * @ret fbms Free base memory counter (in kB) + */ +static inline unsigned int get_fbms ( void ) { + uint16_t fbms; + + get_real ( fbms, BDA_SEG, BDA_FBMS ); + return fbms; +} + +extern void set_fbms ( unsigned int new_fbms ); + +/* Actually in hidemem.c, but putting it here avoids polluting the + * architecture-independent include/hidemem.h. + */ +extern void hide_basemem ( void ); + +#endif /* _BASEMEM_H */ |