diff options
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/include/realmode.h')
| -rw-r--r-- | qemu/roms/ipxe/src/arch/i386/include/realmode.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/include/realmode.h b/qemu/roms/ipxe/src/arch/i386/include/realmode.h index dafc5a32a..4defd3b97 100644 --- a/qemu/roms/ipxe/src/arch/i386/include/realmode.h +++ b/qemu/roms/ipxe/src/arch/i386/include/realmode.h @@ -10,7 +10,7 @@ * */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /* * Declaration of variables in .data16 @@ -65,6 +65,18 @@ FILE_LICENCE ( GPL2_OR_LATER ); */ /** + * Convert segment:offset address to user buffer + * + * @v segment Real-mode segment + * @v offset Real-mode offset + * @ret buffer User buffer + */ +static inline __always_inline userptr_t +real_to_user ( unsigned int segment, unsigned int offset ) { + return ( phys_to_user ( ( segment << 4 ) + offset ) ); +} + +/** * Copy data to base memory * * @v dest_seg Destination segment |