[vesafb] Map Unicode characters to CP437 if possible

1 files changed, 134 insertions, 2 deletions

diff --git a/src/arch/x86/interface/pcbios/vesafb.c b/src/arch/x86/interface/pcbios/vesafb.c
index 1b4198129..3ca15271a 100644
--- a/src/arch/x86/interface/pcbios/vesafb.c
+++ b/src/arch/x86/interface/pcbios/vesafb.c
@@ -151,8 +151,140 @@ static void vesafb_glyph ( unsigned int character, uint8_t *glyph ) {
 		/* ASCII character: use corresponding glyph */
 		index = character;
 	} else {
-		/* Non-ASCII character: use "unknown" glyph */
-		index = VESAFB_UNKNOWN;
+		switch ( character ) {
+		/* above ASCII */
+		case 0xc7: index = 0x80; break;
+		case 0xfc: index = 0x81; break;
+		case 0xe9: index = 0x82; break;
+		case 0xe2: index = 0x83; break;
+		case 0xe4: index = 0x84; break;
+		case 0xe0: index = 0x85; break;
+		case 0xe5: index = 0x86; break;
+		case 0xe7: index = 0x87; break;
+		case 0xea: index = 0x88; break;
+		case 0xeb: index = 0x89; break;
+		case 0xe8: index = 0x8a; break;
+		case 0xef: index = 0x8b; break;
+		case 0xee: index = 0x8c; break;
+		case 0xec: index = 0x8d; break;
+		case 0xc4: index = 0x8e; break;
+		case 0xc5: index = 0x8f; break;
+		case 0xc9: index = 0x90; break;
+		case 0xe6: index = 0x91; break;
+		case 0xc6: index = 0x92; break;
+		case 0xf4: index = 0x93; break;
+		case 0xf6: index = 0x94; break;
+		case 0xf2: index = 0x95; break;
+		case 0xfb: index = 0x96; break;
+		case 0xf9: index = 0x97; break;
+		case 0xff: index = 0x98; break;
+		case 0xd6: index = 0x99; break;
+		case 0xdc: index = 0x9a; break;
+		case 0xa2: index = 0x9b; break;
+		case 0xa3: index = 0x9c; break;
+		case 0xa5: index = 0x9d; break;
+		case 0x20a7: index = 0x9e; break;
+		case 0x192: index = 0x9f; break;
+		case 0xe1: index = 0xa0; break;
+		case 0xed: index = 0xa1; break;
+		case 0xf3: index = 0xa2; break;
+		case 0xfa: index = 0xa3; break;
+		case 0xf1: index = 0xa4; break;
+		case 0xd1: index = 0xa5; break;
+		case 0xaa: index = 0xa6; break;
+		case 0xba: index = 0xa7; break;
+		case 0xbf: index = 0xa8; break;
+		case 0x2310: index = 0xa9; break;
+		case 0xac: index = 0xaa; break;
+		case 0xbd: index = 0xab; break;
+		case 0xbc: index = 0xac; break;
+		case 0xa1: index = 0xad; break;
+		case 0xab: index = 0xae; break;
+		case 0xbb: index = 0xaf; break;
+		case 0x2591: index = 0xb0; break;
+		case 0x2592: index = 0xb1; break;
+		case 0x2593: index = 0xb2; break;
+		case 0x2502: index = 0xb3; break;
+		case 0x2524: index = 0xb4; break;
+		case 0x2561: index = 0xb5; break;
+		case 0x2562: index = 0xb6; break;
+		case 0x2556: index = 0xb7; break;
+		case 0x2555: index = 0xb8; break;
+		case 0x2563: index = 0xb9; break;
+		case 0x2551: index = 0xba; break;
+		case 0x2557: index = 0xbb; break;
+		case 0x255d: index = 0xbc; break;
+		case 0x255c: index = 0xbd; break;
+		case 0x255b: index = 0xbe; break;
+		case 0x2510: index = 0xbf; break;
+		case 0x2514: index = 0xc0; break;
+		case 0x2534: index = 0xc1; break;
+		case 0x252c: index = 0xc2; break;
+		case 0x251c: index = 0xc3; break;
+		case 0x2500: index = 0xc4; break;
+		case 0x253c: index = 0xc5; break;
+		case 0x255e: index = 0xc6; break;
+		case 0x255f: index = 0xc7; break;
+		case 0x255a: index = 0xc8; break;
+		case 0x2554: index = 0xc9; break;
+		case 0x2569: index = 0xca; break;
+		case 0x2566: index = 0xcb; break;
+		case 0x2560: index = 0xcc; break;
+		case 0x2550: index = 0xcd; break;
+		case 0x256c: index = 0xce; break;
+		case 0x2567: index = 0xcf; break;
+		case 0x2568: index = 0xd0; break;
+		case 0x2564: index = 0xd1; break;
+		case 0x2565: index = 0xd2; break;
+		case 0x2559: index = 0xd3; break;
+		case 0x2558: index = 0xd4; break;
+		case 0x2552: index = 0xd5; break;
+		case 0x2553: index = 0xd6; break;
+		case 0x256b: index = 0xd7; break;
+		case 0x256a: index = 0xd8; break;
+		case 0x2518: index = 0xd9; break;
+		case 0x250c: index = 0xda; break;
+		case 0x2588: index = 0xdb; break;
+		case 0x2584: index = 0xdc; break;
+		case 0x258c: index = 0xdd; break;
+		case 0x2590: index = 0xde; break;
+		case 0x2580: index = 0xdf; break;
+		case 0x3b1: index = 0xe0; break;
+		case 0xdf: index = 0xe1; break;
+		case 0x393: index = 0xe2; break;
+		case 0x3c0: index = 0xe3; break;
+		case 0x3a3: index = 0xe4; break;
+		case 0x3c3: index = 0xe5; break;
+		case 0xb5: index = 0xe6; break;
+		case 0x3c4: index = 0xe7; break;
+		case 0x3a6: index = 0xe8; break;
+		case 0x398: index = 0xe9; break;
+		case 0x3a9: index = 0xea; break;
+		case 0x3b4: index = 0xeb; break;
+		case 0x221e: index = 0xec; break;
+		case 0x3c6: index = 0xed; break;
+		case 0x3b5: index = 0xee; break;
+		case 0x2229: index = 0xef; break;
+		case 0x2261: index = 0xf0; break;
+		case 0xb1: index = 0xf1; break;
+		case 0x2265: index = 0xf2; break;
+		case 0x2264: index = 0xf3; break;
+		case 0x2320: index = 0xf4; break;
+		case 0x2321: index = 0xf5; break;
+		case 0xf7: index = 0xf6; break;
+		case 0x2248: index = 0xf7; break;
+		case 0xb0: index = 0xf8; break;
+		case 0x2219: index = 0xf9; break;
+		case 0xb7: index = 0xfa; break;
+		case 0x221a: index = 0xfb; break;
+		case 0x207f: index = 0xfc; break;
+		case 0xb2: index = 0xfd; break;
+		case 0x25a0: index = 0xfe; break;
+		case 0xa0: index = 0xff; break;
+		default:
+			/* Non-CP437 character: use "unknown" glyph */
+			index = VESAFB_UNKNOWN;
+		}
 	}
 
 	/* Copy glyph from BIOS font table */