diff options
Diffstat (limited to 'src/arch/i386/include/segoff.h')
-rw-r--r-- | src/arch/i386/include/segoff.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/src/arch/i386/include/segoff.h b/src/arch/i386/include/segoff.h deleted file mode 100644 index 822ddd33..00000000 --- a/src/arch/i386/include/segoff.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Segment:offset types and macros - * - * Initially written by Michael Brown (mcb30). - */ - -#ifndef SEGOFF_H -#define SEGOFF_H - -#include <stdint.h> -#include <osdep.h> -#include <io.h> - -/* Segment:offset structure. Note that the order within the structure - * is offset:segment. - */ -typedef struct { - uint16_t offset; - uint16_t segment; -} segoff_t; - -/* Macros for converting from virtual to segment:offset addresses, - * when we don't actually care which of the many isomorphic results we - * get. - */ -#ifdef DEBUG_SEGMENT -uint16_t SEGMENT ( const void * const ptr ) { - uint32_t phys = virt_to_phys ( ptr ); - if ( phys > 0xfffff ) { - printf ( "FATAL ERROR: segment address out of range\n" ); - } - return phys >> 4; -} -#else -#define SEGMENT(x) ( virt_to_phys ( x ) >> 4 ) -#endif -#define OFFSET(x) ( virt_to_phys ( x ) & 0xf ) -#define SEGOFF(x) { OFFSET(x), SEGMENT(x) } -#define VIRTUAL(x,y) ( phys_to_virt ( ( ( x ) << 4 ) + ( y ) ) ) - -#endif /* SEGOFF_H */ |