d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Reinstate the bug fix in revision 1.2 as it is correct. The errors I saw

Browse Source 
on my laptop after this change were the result of a bug in the ACPICA code.
This commit is contained in:
jhb 2003-06-07 14:34:18 +00:00
parent 727d06d199
commit d000b6db79
1 changed files with 6 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/i386/include/acpica_machdep.h
View File

@ -72,29 +72,27 @@
*/
#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
do { \
int dummy; \
asm("1: movl (%1),%%eax;" \
asm("1: movl %1,%%eax;" \
"movl %%eax,%%edx;" \
"andl %2,%%edx;" \
"btsl $0x1,%%edx;" \
"adcl $0x0,%%edx;" \
"lock; cmpxchgl %%edx,(%1);" \
"lock; cmpxchgl %%edx,%1;" \
"jnz 1b;" \
"cmpb $0x3,%%dl;" \
"sbbl %%eax,%%eax" \
:"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \
: "=a" (Acq), "+m" (GLptr) : "i" (~1L) : "edx"); \
} while(0)
#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
do { \
int dummy; \
asm("1: movl (%1),%%eax;" \
asm("1: movl %1,%%eax;" \
"movl %%eax,%%edx;" \
"andl %2,%%edx;" \
"lock; cmpxchgl %%edx,(%1);" \
"lock; cmpxchgl %%edx,%1;" \
"jnz 1b;" \
"andl $0x1,%%eax" \
:"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \
: "=a" (Acq), "+m" (GLptr) : "i" (~3L) : "edx"); \
} while(0)