Changeset 38789 in vbox
- Timestamp:
- Sep 19, 2011 11:18:52 AM (13 years ago)
- File:
-
- 1 edited
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trunk/src/VBox/Devices/PC/BIOS-new/orgs.asm
r38699 r38789 1297 1297 db 025h 1298 1298 db 2 1299 db 18 ; SPT 1299 db 18 ; SPT (good for 1.44MB media) 1300 1300 db 01Bh 1301 1301 db 0FFh … … 1304 1304 db 15 1305 1305 db 8 1306 1307 1308 ;; Protected mode IDT descriptor1309 ;;1310 ;; The limit is 0 to cause a shutdown if an exception occurs1311 ;; in protected mode. TODO: Is that what we really want?1312 ;;1313 ;; Set base to F0000 to correspond to beginning of BIOS,1314 ;; in case an IDT is defined later.1315 1316 _pmode_IDT:1317 dw 0 ; limit 15:01318 dw 0 ; base 15:01319 dw 0Fh ; base 23:161320 1321 1322 ;; Real mode IDT descriptor1323 ;;1324 ;; Set to typical real-mode values.1325 ;; base = 0000001326 ;; limit = 03ff1327 1328 _rmode_IDT:1329 dw 3FFh ; limit 15:001330 dw 0 ; base 15:001331 dw 0 ; base 23:161332 1306 1333 1307 … … 1348 1322 iret 1349 1323 1324 1325 1326 ;; Protected mode IDT descriptor 1327 ;; 1328 ;; The limit is 0 to cause a shutdown if an exception occurs 1329 ;; in protected mode. TODO: Is that what we really want? 1330 ;; 1331 ;; Set base to F0000 to correspond to beginning of BIOS, 1332 ;; in case an IDT is defined later. 1333 1334 _pmode_IDT: 1335 dw 0 ; limit 15:0 1336 dw 0 ; base 15:0 1337 dw 0Fh ; base 23:16 1338 1339 1340 ;; Real mode IDT descriptor 1341 ;; 1342 ;; Set to typical real-mode values. 1343 ;; base = 000000 1344 ;; limit = 03ff 1345 1346 _rmode_IDT: 1347 dw 3FFh ; limit 15:00 1348 dw 0 ; base 15:00 1349 dw 0 ; base 23:16 1350 1350 1351 1351 1352 ;;
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