diff options
Diffstat (limited to 'sys/powerpc/booke/swtch.S')
| -rw-r--r-- | sys/powerpc/booke/swtch.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/powerpc/booke/swtch.S b/sys/powerpc/booke/swtch.S index 80bf2b3a459a..bfd7dd2c2204 100644 --- a/sys/powerpc/booke/swtch.S +++ b/sys/powerpc/booke/swtch.S @@ -66,6 +66,7 @@ #include <machine/param.h> #include <machine/psl.h> #include <machine/asm.h> +#include <machine/spr.h> /* * void cpu_switch(struct thread *old, struct thread *new) @@ -87,6 +88,8 @@ ENTRY(cpu_switch) stw %r16, PCB_BOOKE_CTR(%r5) mfxer %r16 stw %r16, PCB_BOOKE_XER(%r5) + mfspr %r16, SPR_DBCR0 + stw %r16, PCB_BOOKE_DBCR0(%r5) stw %r1, PCB_SP(%r5) /* Save the stack pointer */ @@ -114,6 +117,8 @@ ENTRY(cpu_switch) mtctr %r5 lwz %r5, PCB_BOOKE_XER(%r3) mtxer %r5 + lwz %r5, PCB_BOOKE_DBCR0(%r3) + mtspr SPR_DBCR0, %r5 lwz %r1, PCB_SP(%r3) /* Load the stack pointer */ blr |