* 2 of the License, or (at your option) any later version.
*/
-#include <linux/config.h>
#include <linux/threads.h>
#include <asm/processor.h>
#include <asm/page.h>
beqlr
/* Go to NAP now */
+ mfmsr r7
+ rldicl r0,r7,48,1
+ rotldi r0,r0,16
+ mtmsrd r0,1 /* hard-disable interrupts */
+ li r0,1
+ stb r0,PACASOFTIRQEN(r13) /* we'll hard-enable shortly */
+ stb r0,PACAHARDIRQEN(r13)
BEGIN_FTR_SECTION
DSSALL
sync
ld r8,TI_LOCAL_FLAGS(r9) /* set napping bit */
ori r8,r8,_TLF_NAPPING /* so when we take an exception */
std r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */
- mfmsr r7
ori r7,r7,MSR_EE
oris r7,r7,MSR_POW@h
1: sync
isync
b 1b
+_GLOBAL(power4_cpu_offline_powersave)
+ /* Go to NAP now */
+ mfmsr r7
+ rldicl r0,r7,48,1
+ rotldi r0,r0,16
+ mtmsrd r0,1 /* hard-disable interrupts */
+ li r0,1
+ li r6,0
+ stb r0,PACAHARDIRQEN(r13) /* we'll hard-enable shortly */
+ stb r6,PACASOFTIRQEN(r13) /* soft-disable irqs */
+BEGIN_FTR_SECTION
+ DSSALL
+ sync
+END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
+ ori r7,r7,MSR_EE
+ oris r7,r7,MSR_POW@h
+ sync
+ isync
+ mtmsrd r7
+ isync
+ blr