diff options
Diffstat (limited to 'src/arch/x86/interface/pcbios/bios_console.c')
| -rw-r--r-- | src/arch/x86/interface/pcbios/bios_console.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/x86/interface/pcbios/bios_console.c b/src/arch/x86/interface/pcbios/bios_console.c index 2664ac8a5..0220c8564 100644 --- a/src/arch/x86/interface/pcbios/bios_console.c +++ b/src/arch/x86/interface/pcbios/bios_console.c @@ -362,6 +362,7 @@ static const char * bios_ansi_seq ( unsigned int scancode ) { static int bios_getchar ( void ) { uint16_t keypress; uint8_t kb0; + uint8_t kb2; unsigned int scancode; unsigned int character; const char *ansi_seq; @@ -387,6 +388,7 @@ static int bios_getchar ( void ) { scancode = ( keypress >> 8 ); character = ( keypress & 0xff ); get_real ( kb0, BDA_SEG, BDA_KB0 ); + get_real ( kb2, BDA_SEG, BDA_KB2 ); /* If it's a normal character, map (if applicable) and return it */ if ( character && ( character < 0x80 ) ) { @@ -405,6 +407,16 @@ static int bios_getchar ( void ) { character |= KEYMAP_CTRL; if ( kb0 & BDA_KB0_CAPSLOCK ) character |= KEYMAP_CAPSLOCK_REDO; + if ( kb2 & BDA_KB2_RALT ) + character |= KEYMAP_ALTGR; + + /* Treat LShift+RShift as AltGr since many BIOSes will + * not return ASCII characters when AltGr is pressed. + */ + if ( ( kb0 & ( BDA_KB0_LSHIFT | BDA_KB0_RSHIFT ) ) == + ( BDA_KB0_LSHIFT | BDA_KB0_RSHIFT ) ) { + character |= KEYMAP_ALTGR; + } /* Map and return */ return key_remap ( character ); |