Rev 4127 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 4127 | Rev 4346 | ||
|---|---|---|---|
| 1 | .code32 |
1 | .code32 |
| 2 | vesa_init_protected: |
2 | vesa_init_protected: |
| 3 | movw $gdtselector(KDATA_DES), %cx |
3 | movw $gdtselector(KDATA_DES), %cx |
| 4 | movw %cx, %es |
4 | movw %cx, %es |
| 5 | movw %cx, %ds # kernel data + stack |
5 | movw %cx, %ds # kernel data + stack |
| 6 | movw %cx, %ss |
6 | movw %cx, %ss |
| 7 | 7 | ||
| 8 | # |
8 | # |
| 9 | # Simics seems to remove hidden part of GS on entering user mode |
9 | # Simics seems to remove hidden part of GS on entering user mode |
| 10 | # when _visible_ part of GS does not point to user-mode segment. |
10 | # when _visible_ part of GS does not point to user-mode segment. |
| 11 | # |
11 | # |
| 12 | 12 | ||
| 13 | movw $gdtselector(UDATA_DES), %cx |
13 | movw $gdtselector(UDATA_DES), %cx |
| 14 | movw %cx, %fs |
14 | movw %cx, %fs |
| 15 | movw %cx, %gs |
15 | movw %cx, %gs |
| 16 | 16 | ||
| 17 | movl $START_STACK, %esp # initialize stack pointer |
17 | movl $START_STACK, %esp # initialize stack pointer |
| 18 | 18 | ||
| 19 | jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point |
19 | jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point |
| 20 | 20 | ||