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Commit e0a3647f authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Fix SH-X3 FPU exception handling. 



SH-X3 has the FPU exceptions on different vectors completely,
patch in do_fpu_state_restore() to the proper vectors.

Results in a much happier userspace.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 06f862c8

arch/sh/kernel/traps.c

+5 −0
Original line number Diff line number Diff line
@@ -854,9 +854,14 @@ void __init trap_init(void) 
	set_exception_table_evt(0x800, do_reserved_inst);

	set_exception_table_evt(0x820, do_illegal_slot_inst);

#elif defined(CONFIG_SH_FPU)

#ifdef CONFIG_CPU_SUBTYPE_SHX3

	set_exception_table_evt(0xd80, do_fpu_state_restore);

	set_exception_table_evt(0xda0, do_fpu_state_restore);

#else

	set_exception_table_evt(0x800, do_fpu_state_restore);

	set_exception_table_evt(0x820, do_fpu_state_restore);

#endif

#endif



#ifdef CONFIG_CPU_SH2

	set_exception_table_vec(TRAP_ADDRESS_ERROR, address_error_handler);