v2: * Don't set SF bit on entry.
Signed-off-by: Andreas Färber andreas.faerber@web.de --- arch/ppc/qemu/start.S | 4 ++++ include/arch/ppc/processor.h | 2 ++ 2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/ppc/qemu/start.S b/arch/ppc/qemu/start.S index 7846463..f89c9c8 100644 --- a/arch/ppc/qemu/start.S +++ b/arch/ppc/qemu/start.S @@ -498,6 +498,10 @@ _GLOBAL(call_elf): MTMSRD(r0) blrl
+#ifdef CONFIG_PPC64 + /* Restore SF bit */ + LOAD_REG_IMMEDIATE(r0, MSR_SF | MSR_FP | MSR_ME | MSR_DR | MSR_IR) +#endif LOAD_REG_IMMEDIATE(r8, saved_stack) // restore stack pointer mr r1,r8 PPC_LL r0, (STACKFRAME_MINSIZE + PPC_LR_STKOFF)(r1) diff --git a/include/arch/ppc/processor.h b/include/arch/ppc/processor.h index 21e4fab..e00fea0 100644 --- a/include/arch/ppc/processor.h +++ b/include/arch/ppc/processor.h @@ -40,6 +40,8 @@
#ifndef MSR_VEC
+#define MSR_SF (1<<63) /* Sixty-Four Bit Mode */ + #define MSR_VEC (1<<25) /* 6: Enable AltiVec */ #define MSR_POW (1<<18) /* 13: Enable Power Management */ #define MSR_TGPR (1<<17) /* 14: TLB Update registers in use */