diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-12-11 16:31:42 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-12-11 16:31:42 +1100 |
| commit | 973c1fabc70deb10f12a0eaab2f50c2263784257 (patch) | |
| tree | 5b0ef183757049d241d0709f0cea9e370627b687 /arch/powerpc/kernel/head_32.S | |
| parent | 4383162c8f2fa75d916c4901b0d1ebcac7aeaf74 (diff) | |
| parent | d10f73480b991da2aa1c000ed38eda3e4a987292 (diff) | |
Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
Diffstat (limited to 'arch/powerpc/kernel/head_32.S')
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index d88e182e40b..9417cf5b4b7 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -437,6 +437,13 @@ Alignment: /* Floating-point unavailable */ . = 0x800 FPUnavailable: +BEGIN_FTR_SECTION +/* + * Certain Freescale cores don't have a FPU and treat fp instructions + * as a FP Unavailable exception. Redirect to illegal/emulation handling. + */ + b ProgramCheck +END_FTR_SECTION_IFSET(CPU_FTR_FPU_UNAVAILABLE) EXCEPTION_PROLOG bne load_up_fpu /* if from user, just load it up */ addi r3,r1,STACK_FRAME_OVERHEAD |