Changeset f24d300 in mainline for kernel/arch/amd64/src/amd64.c

Timestamp:

2009-03-03T15:52:55Z (16 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e762b43

Parents:

add04f7

Message:

better inline assembler readability using the new symbolic syntax

File:

• kernel/arch/amd64/src/amd64.c (modified) (3 diffs)

kernel/arch/amd64/src/amd64.c

@@ -73 +73 @@
 static void clean_IOPL_NT_flags(void)
 {
-        asm (
+        asm volatile (
                 "pushfq\n"
                 "pop %%rax\n"
@@ -79 +79 @@
                 "pushq %%rax\n"
                 "popfq\n"
-                :
-                :
-                : "%rax"
+                ::: "%rax"
         );
 }
@@ -91 +89 @@
 static void clean_AM_flag(void)
 {
-        asm (
+        asm volatile (
                 "mov %%cr0, %%rax\n"
                 "and $~(0x40000), %%rax\n"
                 "mov %%rax, %%cr0\n"
-                :
-                :
-                : "%rax"
+                ::: "%rax"
         );
 }