Forgot taskswitch DR7 clearing

2024-01-14 15:33:35 +06:00
parent f4f252c0b7
commit 3cf747d93e
1 changed files with 1 additions and 0 deletions
--- a/src/cpu/x86seg.c
+++ b/src/cpu/x86seg.c
@@ -2469,6 +2469,7 @@ taskswitch286(uint16_t seg, uint16_t *segdat, int is32)
    tr.limit   = limit;
    tr.access  = segdat[2] >> 8;
    tr.ar_high = segdat[3] & 0xff;
+    dr[7] &= 0xFFFFFFAA;
 }

 void