diff options
Diffstat (limited to 'arch/arm/vfp')
| -rw-r--r-- | arch/arm/vfp/vfphw.S | 4 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index 83c4e384b16d..1aeae38725dd 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -100,6 +100,7 @@ ENTRY(vfp_support_entry) beq no_old_VFP_process VFPFSTMIA r4, r5 @ save the working registers VFPFMRX r5, FPSCR @ current status +#ifndef CONFIG_CPU_FEROCEON tst r1, #FPEXC_EX @ is there additional state to save? beq 1f VFPFMRX r6, FPINST @ FPINST (only if FPEXC.EX is set) @@ -107,6 +108,7 @@ ENTRY(vfp_support_entry) beq 1f VFPFMRX r8, FPINST2 @ FPINST2 if needed (and present) 1: +#endif stmia r4, {r1, r5, r6, r8} @ save FPEXC, FPSCR, FPINST, FPINST2 @ and point r4 at the word at the @ start of the register dump @@ -119,6 +121,7 @@ no_old_VFP_process: VFPFLDMIA r10, r5 @ reload the working registers while @ FPEXC is in a safe state ldmia r10, {r1, r5, r6, r8} @ load FPEXC, FPSCR, FPINST, FPINST2 +#ifndef CONFIG_CPU_FEROCEON tst r1, #FPEXC_EX @ is there additional state to restore? beq 1f VFPFMXR FPINST, r6 @ restore FPINST (only if FPEXC.EX is set) @@ -126,6 +129,7 @@ no_old_VFP_process: beq 1f VFPFMXR FPINST2, r8 @ FPINST2 if needed (and present) 1: +#endif VFPFMXR FPSCR, r5 @ restore status check_for_exception: diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 01599c4ef726..2d7423af1197 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -253,12 +253,14 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) } if (fpexc & FPEXC_EX) { +#ifndef CONFIG_CPU_FEROCEON /* * Asynchronous exception. The instruction is read from FPINST * and the interrupted instruction has to be restarted. */ trigger = fmrx(FPINST); regs->ARM_pc -= 4; +#endif } else if (!(fpexc & FPEXC_DEX)) { /* * Illegal combination of bits. It can be caused by an |