diff options
| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/ipxe/src/arch/i386/include/basemem.h | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/ipxe/src/arch/i386/include/basemem.h')
| -rw-r--r-- | roms/ipxe/src/arch/i386/include/basemem.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/roms/ipxe/src/arch/i386/include/basemem.h b/roms/ipxe/src/arch/i386/include/basemem.h new file mode 100644 index 00000000..c477c7fe --- /dev/null +++ b/roms/ipxe/src/arch/i386/include/basemem.h @@ -0,0 +1,35 @@ +#ifndef _BASEMEM_H +#define _BASEMEM_H + +/** @file + * + * Base memory allocation + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#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 */ |