Changeset 109

Timestamp:

Jun 30, 2017, 9:39:42 AM (7 years ago)

Author:

max@…

Message:

don't save/restore %gs for now, we want to use TLS in interrupt
context; will be enabled later once we have support for userland

File:

• trunk/hal/x86_64/core/hal_kentry.h (modified) (2 diffs)

trunk/hal/x86_64/core/hal_kentry.h

@@ -64 +64 @@
         movq    %r14,TF_R14(%rsp)       ; \
         movq    %r15,TF_R15(%rsp)       ; \
-        movw    %gs,TF_GS(%rsp)         ; \
+        /* movw %gs,TF_GS(%rsp) */      ; \
         movw    %fs,TF_FS(%rsp)         ; \
         movw    %es,TF_ES(%rsp)         ; \
@@ -86 +86 @@
         movq    TF_R14(%rsp),%r14       ; \
         movq    TF_R15(%rsp),%r15       ; \
-        movw    TF_GS(%rsp),%gs         ; \
+        /* movw TF_GS(%rsp),%gs */      ; \
         movw    TF_FS(%rsp),%fs         ; \
         movw    TF_ES(%rsp),%es         ; \