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[bios] Add F8 function key as a recognised BIOS keycode

pull/1/head
Michael Brown 2009-01-25 21:12:48 +00:00
parent ce9690ca39
commit f1d17ae2be
1 changed files with 3 additions and 1 deletions
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4
src/arch/i386/firmware/pcbios/bios_console.c
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@ -193,13 +193,14 @@ static const char *ansi_input = "";
* dense range, so subtracting a constant and treating them as offsets * dense range, so subtracting a constant and treating them as offsets
* into an array works efficiently. * into an array works efficiently.
*/ */
#define BIOS_KEY_MIN 0x47 #define BIOS_KEY_MIN 0x42
/** Offset into list of interesting BIOS scancodes */ /** Offset into list of interesting BIOS scancodes */
#define BIOS_KEY(scancode) ( (scancode) - BIOS_KEY_MIN ) #define BIOS_KEY(scancode) ( (scancode) - BIOS_KEY_MIN )
/** Mapping from BIOS scan codes to ANSI escape sequences */ /** Mapping from BIOS scan codes to ANSI escape sequences */
static const char *ansi_sequences[] = { static const char *ansi_sequences[] = {
[ BIOS_KEY ( 0x42 ) ] = "[19~", /* F8 (required for PXE) */
[ BIOS_KEY ( 0x47 ) ] = "[H", /* Home */ [ BIOS_KEY ( 0x47 ) ] = "[H", /* Home */
[ BIOS_KEY ( 0x48 ) ] = "[A", /* Up arrow */ [ BIOS_KEY ( 0x48 ) ] = "[A", /* Up arrow */
[ BIOS_KEY ( 0x4b ) ] = "[D", /* Left arrow */ [ BIOS_KEY ( 0x4b ) ] = "[D", /* Left arrow */
@ -222,6 +223,7 @@ static const char * scancode_to_ansi_seq ( unsigned int scancode ) {
sizeof ( ansi_sequences[0] ) ) ) { sizeof ( ansi_sequences[0] ) ) ) {
return ansi_sequences[bios_key]; return ansi_sequences[bios_key];
} }
DBG ( "Unrecognised BIOS scancode %02x\n", scancode );
return NULL; return NULL;
} }