diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh2/entry.S')
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/entry.S | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S index ee8f1fe84b08..7a26569e7956 100644 --- a/arch/sh/kernel/cpu/sh2/entry.S +++ b/arch/sh/kernel/cpu/sh2/entry.S @@ -149,6 +149,14 @@ ENTRY(exception_handler) mov #32,r8 cmp/hs r8,r9 bt trap_entry ! 64 > vec >= 32 is trap + +#if defined(CONFIG_SH_FPU) + mov #13,r8 + cmp/eq r8,r9 + bt 10f ! fpu + nop +#endif + mov.l 4f,r8 mov r9,r4 shll2 r9 @@ -158,6 +166,10 @@ ENTRY(exception_handler) cmp/eq r9,r8 bf 3f mov.l 8f,r8 ! unhandled exception +#if defined(CONFIG_SH_FPU) +10: + mov.l 9f, r8 ! unhandled exception +#endif 3: mov.l 5f,r10 jmp @r8 @@ -177,7 +189,10 @@ interrupt_entry: 6: .long ret_from_irq 7: .long do_IRQ 8: .long do_exception_error - +#ifdef CONFIG_SH_FPU +9: .long fpu_error_trap_handler +#endif + trap_entry: mov #0x30,r8 cmp/ge r8,r9 ! vector 0x20-0x2f is systemcall @@ -250,7 +265,7 @@ ENTRY(sh_bios_handler) 1: .long gdb_vbr_vector #endif /* CONFIG_SH_STANDARD_BIOS */ -ENTRY(address_error_handler) +ENTRY(address_error_trap_handler) mov r15,r4 ! regs add #4,r4 mov #OFF_PC,r0 |