diff options
| author | dzwdz | 2023-06-10 19:12:49 +0200 |
|---|---|---|
| committer | dzwdz | 2023-06-10 19:12:49 +0200 |
| commit | ff154205e1671e11ed8566740c1cefaad79c2512 (patch) | |
| tree | 480320e570a9e7006faac25306e89aa28feb78e8 /src | |
| parent | 06ac0bafe94a847395346fec33de59b71b89b4a4 (diff) | |
user: fix floating point operations
Diffstat (limited to 'src')
| -rw-r--r-- | src/user/lib/_start.s | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/user/lib/_start.s b/src/user/lib/_start.s index 0d5b5de..12d2c5f 100644 --- a/src/user/lib/_start.s +++ b/src/user/lib/_start.s @@ -5,6 +5,12 @@ _start: mov %rsp, %rdi and $~0xF, %rsp + + /* prevent floating point crashes. thanks heat */ + push $0x1f80 + ldmxcsr (%rsp) + add $8, %rsp + call _start2 hlt /* the call shouldn't return, thus the hlt. |