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Commit 2ec08e14 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh64: Fix up caller-save register settings for fast-path. 



Now that the fast-path handler has been moved, we also need to update the
Makefile to ensure that the same restrictions for caller-save registers
are observed.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 4de51856

arch/sh/mm/Makefile

+2 −2
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ obj-$(CONFIG_HAVE_SRAM_POOL) += sram.o 


GCOV_PROFILE_pmb.o := n



# Special flags for fault_64.o.  This puts restrictions on the number of

# Special flags for tlbex_64.o.  This puts restrictions on the number of

# caller-save registers that the compiler can target when building this file.

# This is required because the code is called from a context in entry.S where

# very few registers have been saved in the exception handler (for speed
@@ -59,7 +59,7 @@ GCOV_PROFILE_pmb.o := n 
# The resources not listed below are callee save, i.e. the compiler is free to

# use any of them and will spill them to the stack itself.



CFLAGS_fault_64.o += -ffixed-r7 \

CFLAGS_tlbex_64.o += -ffixed-r7 \

	-ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \

	-ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \

	-ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \