source:
trunk/minix/lib/ack/i386/em/em_cfi.s@
19
Last change on this file since 19 was 9, checked in by , 13 years ago | |
---|---|
File size: 352 bytes |
Rev | Line | |
---|---|---|
[9] | 1 | .sect .text; .sect .rom; .sect .data; .sect .bss |
2 | .define .cfi | |
3 | ||
4 | .sect .text | |
5 | .cfi: | |
6 | mov bx,sp | |
7 | fstcw 4(bx) | |
8 | wait | |
9 | mov dx,4(bx) | |
10 | or 4(bx),0xc00 ! truncating mode | |
11 | wait | |
12 | fldcw 4(bx) | |
13 | cmp 8(bx),4 | |
14 | jne 2f | |
15 | ! loc 4 loc ? cfi | |
16 | flds 12(bx) | |
17 | fistpl 12(bx) | |
18 | 1: | |
19 | mov 4(bx),dx | |
20 | wait | |
21 | fldcw 4(bx) | |
22 | ret | |
23 | 2: | |
24 | ! loc 8 loc ? cfi | |
25 | fldd 12(bx) | |
26 | fistpl 16(bx) | |
27 | jmp 1b |
Note:
See TracBrowser
for help on using the repository browser.