sh: Add support for SH2A freestanding build
SH2A toolchains often only provide an fdpic version of libgcc. This can't be used with bare-metal software like U-Boot, so this patch provides the necessary functions extracted from libgcc. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Phil Edworthy
Nobuhiro Iwamatsu
parent
7fbeb6422d
commit
eeb84df6e4
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@ -21,8 +21,15 @@
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(ARCH).o
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LIBGCC = $(obj)libgcc.o
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SOBJS-y +=
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GLSOBJS += ashiftrt.o
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GLSOBJS += ashiftlt.o
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GLSOBJS += lshiftrt.o
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GLSOBJS += ashldi3.o
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GLSOBJS += lshrdi3.o
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GLSOBJS += movmem.o
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COBJS-y += board.o
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COBJS-y += bootm.o
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@ -37,10 +44,25 @@ endif
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SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
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OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
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LGOBJS := $(addprefix $(obj),$(GLSOBJS)) \
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$(addprefix $(obj),$(GLCOBJS))
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# Always build libsh.o
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TARGETS := $(LIB)
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# Build private libgcc only when asked for
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ifdef USE_PRIVATE_LIBGCC
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TARGETS += $(LIBGCC)
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endif
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all: $(TARGETS)
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$(LIB): $(obj).depend $(OBJS)
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$(call cmd_link_o_target, $(OBJS))
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$(LIBGCC): $(obj).depend $(LGOBJS)
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$(call cmd_link_o_target, $(LGOBJS))
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#########################################################################
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# defines $(obj).depend target
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@ -0,0 +1,192 @@
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/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006
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Free Software Foundation, Inc.
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This file is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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||||
from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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This file is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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!! libgcc routines for the Renesas / SuperH SH CPUs.
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!! Contributed by Steve Chamberlain.
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!! sac@cygnus.com
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!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
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!! recoded in assembly by Toshiyasu Morita
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!! tm@netcom.com
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/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
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ELF local label prefixes by J"orn Rennecke
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amylaar@cygnus.com */
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!
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! GLOBAL(ashlsi3)
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!
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! Entry:
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!
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! r4: Value to shift
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! r5: Shifts
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!
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! Exit:
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!
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! r0: Result
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!
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! Destroys:
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!
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! (none)
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!
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.global __ashlsi3
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.align 2
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__ashlsi3:
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mov #31,r0
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and r0,r5
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mova __ashlsi3_table,r0
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mov.b @(r0,r5),r5
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#ifdef __sh1__
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add r5,r0
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jmp @r0
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#else
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braf r5
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#endif
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mov r4,r0
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.align 2
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__ashlsi3_table:
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.byte __ashlsi3_0-__ashlsi3_table
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.byte __ashlsi3_1-__ashlsi3_table
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.byte __ashlsi3_2-__ashlsi3_table
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.byte __ashlsi3_3-__ashlsi3_table
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.byte __ashlsi3_4-__ashlsi3_table
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.byte __ashlsi3_5-__ashlsi3_table
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.byte __ashlsi3_6-__ashlsi3_table
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.byte __ashlsi3_7-__ashlsi3_table
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.byte __ashlsi3_8-__ashlsi3_table
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.byte __ashlsi3_9-__ashlsi3_table
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.byte __ashlsi3_10-__ashlsi3_table
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.byte __ashlsi3_11-__ashlsi3_table
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.byte __ashlsi3_12-__ashlsi3_table
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.byte __ashlsi3_13-__ashlsi3_table
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.byte __ashlsi3_14-__ashlsi3_table
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.byte __ashlsi3_15-__ashlsi3_table
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.byte __ashlsi3_16-__ashlsi3_table
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.byte __ashlsi3_17-__ashlsi3_table
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.byte __ashlsi3_18-__ashlsi3_table
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.byte __ashlsi3_19-__ashlsi3_table
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.byte __ashlsi3_20-__ashlsi3_table
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.byte __ashlsi3_21-__ashlsi3_table
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.byte __ashlsi3_22-__ashlsi3_table
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.byte __ashlsi3_23-__ashlsi3_table
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.byte __ashlsi3_24-__ashlsi3_table
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.byte __ashlsi3_25-__ashlsi3_table
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.byte __ashlsi3_26-__ashlsi3_table
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.byte __ashlsi3_27-__ashlsi3_table
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.byte __ashlsi3_28-__ashlsi3_table
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.byte __ashlsi3_29-__ashlsi3_table
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.byte __ashlsi3_30-__ashlsi3_table
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.byte __ashlsi3_31-__ashlsi3_table
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__ashlsi3_6:
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shll2 r0
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__ashlsi3_4:
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shll2 r0
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__ashlsi3_2:
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rts
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shll2 r0
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__ashlsi3_7:
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shll2 r0
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__ashlsi3_5:
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shll2 r0
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__ashlsi3_3:
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shll2 r0
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__ashlsi3_1:
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rts
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shll r0
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__ashlsi3_14:
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shll2 r0
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__ashlsi3_12:
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shll2 r0
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__ashlsi3_10:
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shll2 r0
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__ashlsi3_8:
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rts
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shll8 r0
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__ashlsi3_15:
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shll2 r0
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__ashlsi3_13:
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shll2 r0
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__ashlsi3_11:
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shll2 r0
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__ashlsi3_9:
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shll8 r0
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rts
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shll r0
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__ashlsi3_22:
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shll2 r0
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__ashlsi3_20:
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shll2 r0
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__ashlsi3_18:
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shll2 r0
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__ashlsi3_16:
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rts
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shll16 r0
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__ashlsi3_23:
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shll2 r0
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__ashlsi3_21:
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shll2 r0
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__ashlsi3_19:
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shll2 r0
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__ashlsi3_17:
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shll16 r0
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rts
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shll r0
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__ashlsi3_30:
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shll2 r0
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__ashlsi3_28:
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shll2 r0
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__ashlsi3_26:
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shll2 r0
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__ashlsi3_24:
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shll16 r0
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rts
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shll8 r0
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__ashlsi3_31:
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shll2 r0
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__ashlsi3_29:
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shll2 r0
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__ashlsi3_27:
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shll2 r0
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__ashlsi3_25:
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shll16 r0
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shll8 r0
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rts
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shll r0
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__ashlsi3_0:
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rts
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nop
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@ -0,0 +1,149 @@
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/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006
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Free Software Foundation, Inc.
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This file is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
|
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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This file is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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!! libgcc routines for the Renesas / SuperH SH CPUs.
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!! Contributed by Steve Chamberlain.
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!! sac@cygnus.com
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!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
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!! recoded in assembly by Toshiyasu Morita
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!! tm@netcom.com
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/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
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ELF local label prefixes by J"orn Rennecke
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amylaar@cygnus.com */
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.global __ashiftrt_r4_0
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.global __ashiftrt_r4_1
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.global __ashiftrt_r4_2
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.global __ashiftrt_r4_3
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.global __ashiftrt_r4_4
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.global __ashiftrt_r4_5
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.global __ashiftrt_r4_6
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.global __ashiftrt_r4_7
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.global __ashiftrt_r4_8
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.global __ashiftrt_r4_9
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.global __ashiftrt_r4_10
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.global __ashiftrt_r4_11
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.global __ashiftrt_r4_12
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.global __ashiftrt_r4_13
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.global __ashiftrt_r4_14
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.global __ashiftrt_r4_15
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.global __ashiftrt_r4_16
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.global __ashiftrt_r4_17
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.global __ashiftrt_r4_18
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.global __ashiftrt_r4_19
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.global __ashiftrt_r4_20
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.global __ashiftrt_r4_21
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.global __ashiftrt_r4_22
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.global __ashiftrt_r4_23
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.global __ashiftrt_r4_24
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.global __ashiftrt_r4_25
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.global __ashiftrt_r4_26
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.global __ashiftrt_r4_27
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.global __ashiftrt_r4_28
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.global __ashiftrt_r4_29
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.global __ashiftrt_r4_30
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.global __ashiftrt_r4_31
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.global __ashiftrt_r4_32
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.align 1
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__ashiftrt_r4_32:
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__ashiftrt_r4_31:
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rotcl r4
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rts
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subc r4,r4
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__ashiftrt_r4_30:
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shar r4
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__ashiftrt_r4_29:
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shar r4
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__ashiftrt_r4_28:
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shar r4
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__ashiftrt_r4_27:
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shar r4
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__ashiftrt_r4_26:
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shar r4
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__ashiftrt_r4_25:
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shar r4
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__ashiftrt_r4_24:
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shlr16 r4
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shlr8 r4
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rts
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exts.b r4,r4
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__ashiftrt_r4_23:
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shar r4
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__ashiftrt_r4_22:
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shar r4
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__ashiftrt_r4_21:
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shar r4
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__ashiftrt_r4_20:
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shar r4
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__ashiftrt_r4_19:
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shar r4
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__ashiftrt_r4_18:
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shar r4
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__ashiftrt_r4_17:
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shar r4
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__ashiftrt_r4_16:
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shlr16 r4
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rts
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exts.w r4,r4
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__ashiftrt_r4_15:
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shar r4
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__ashiftrt_r4_14:
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shar r4
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__ashiftrt_r4_13:
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shar r4
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__ashiftrt_r4_12:
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shar r4
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__ashiftrt_r4_11:
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shar r4
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__ashiftrt_r4_10:
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shar r4
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__ashiftrt_r4_9:
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shar r4
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__ashiftrt_r4_8:
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shar r4
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__ashiftrt_r4_7:
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shar r4
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__ashiftrt_r4_6:
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shar r4
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__ashiftrt_r4_5:
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shar r4
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__ashiftrt_r4_4:
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shar r4
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__ashiftrt_r4_3:
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shar r4
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__ashiftrt_r4_2:
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shar r4
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__ashiftrt_r4_1:
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rts
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shar r4
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__ashiftrt_r4_0:
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rts
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nop
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@ -0,0 +1,25 @@
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#include "libgcc.h"
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long long __ashldi3(long long u, word_type b)
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{
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DWunion uu, w;
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word_type bm;
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if (b == 0)
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return u;
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uu.ll = u;
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bm = 32 - b;
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if (bm <= 0) {
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w.s.low = 0;
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w.s.high = (unsigned int) uu.s.low << -bm;
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} else {
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const unsigned int carries = (unsigned int) uu.s.low >> bm;
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w.s.low = (unsigned int) uu.s.low << b;
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w.s.high = ((unsigned int) uu.s.high << b) | carries;
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}
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return w.ll;
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}
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@ -0,0 +1,25 @@
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#ifndef __ASM_LIBGCC_H
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#define __ASM_LIBGCC_H
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#include <asm/byteorder.h>
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typedef int word_type __attribute__ ((mode (__word__)));
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#ifdef __BIG_ENDIAN
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struct DWstruct {
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int high, low;
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};
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#elif defined(__LITTLE_ENDIAN)
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struct DWstruct {
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int low, high;
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};
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#else
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#error I feel sick.
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#endif
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typedef union {
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struct DWstruct s;
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long long ll;
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} DWunion;
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#endif /* __ASM_LIBGCC_H */
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@ -0,0 +1,192 @@
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/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
||||
2004, 2005, 2006
|
||||
Free Software Foundation, Inc.
|
||||
|
||||
This file is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by the
|
||||
Free Software Foundation; either version 2, or (at your option) any
|
||||
later version.
|
||||
|
||||
In addition to the permissions in the GNU General Public License, the
|
||||
Free Software Foundation gives you unlimited permission to link the
|
||||
compiled version of this file into combinations with other programs,
|
||||
and to distribute those combinations without any restriction coming
|
||||
from the use of this file. (The General Public License restrictions
|
||||
do apply in other respects; for example, they cover modification of
|
||||
the file, and distribution when not linked into a combine
|
||||
executable.)
|
||||
|
||||
This file is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
|
||||
Boston, MA 02110-1301, USA. */
|
||||
|
||||
!! libgcc routines for the Renesas / SuperH SH CPUs.
|
||||
!! Contributed by Steve Chamberlain.
|
||||
!! sac@cygnus.com
|
||||
|
||||
!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
|
||||
!! recoded in assembly by Toshiyasu Morita
|
||||
!! tm@netcom.com
|
||||
|
||||
/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
|
||||
ELF local label prefixes by J"orn Rennecke
|
||||
amylaar@cygnus.com */
|
||||
|
||||
!
|
||||
! __lshrsi3)
|
||||
!
|
||||
! Entry:
|
||||
!
|
||||
! r4: Value to shift
|
||||
! r5: Shifts
|
||||
!
|
||||
! Exit:
|
||||
!
|
||||
! r0: Result
|
||||
!
|
||||
! Destroys:
|
||||
!
|
||||
! (none)
|
||||
!
|
||||
.global __lshrsi3
|
||||
.align 2
|
||||
__lshrsi3:
|
||||
mov #31,r0
|
||||
and r0,r5
|
||||
mova __lshrsi3_table,r0
|
||||
mov.b @(r0,r5),r5
|
||||
#ifdef __sh1__
|
||||
add r5,r0
|
||||
jmp @r0
|
||||
#else
|
||||
braf r5
|
||||
#endif
|
||||
mov r4,r0
|
||||
|
||||
.align 2
|
||||
__lshrsi3_table:
|
||||
.byte __lshrsi3_0-__lshrsi3_table
|
||||
.byte __lshrsi3_1-__lshrsi3_table
|
||||
.byte __lshrsi3_2-__lshrsi3_table
|
||||
.byte __lshrsi3_3-__lshrsi3_table
|
||||
.byte __lshrsi3_4-__lshrsi3_table
|
||||
.byte __lshrsi3_5-__lshrsi3_table
|
||||
.byte __lshrsi3_6-__lshrsi3_table
|
||||
.byte __lshrsi3_7-__lshrsi3_table
|
||||
.byte __lshrsi3_8-__lshrsi3_table
|
||||
.byte __lshrsi3_9-__lshrsi3_table
|
||||
.byte __lshrsi3_10-__lshrsi3_table
|
||||
.byte __lshrsi3_11-__lshrsi3_table
|
||||
.byte __lshrsi3_12-__lshrsi3_table
|
||||
.byte __lshrsi3_13-__lshrsi3_table
|
||||
.byte __lshrsi3_14-__lshrsi3_table
|
||||
.byte __lshrsi3_15-__lshrsi3_table
|
||||
.byte __lshrsi3_16-__lshrsi3_table
|
||||
.byte __lshrsi3_17-__lshrsi3_table
|
||||
.byte __lshrsi3_18-__lshrsi3_table
|
||||
.byte __lshrsi3_19-__lshrsi3_table
|
||||
.byte __lshrsi3_20-__lshrsi3_table
|
||||
.byte __lshrsi3_21-__lshrsi3_table
|
||||
.byte __lshrsi3_22-__lshrsi3_table
|
||||
.byte __lshrsi3_23-__lshrsi3_table
|
||||
.byte __lshrsi3_24-__lshrsi3_table
|
||||
.byte __lshrsi3_25-__lshrsi3_table
|
||||
.byte __lshrsi3_26-__lshrsi3_table
|
||||
.byte __lshrsi3_27-__lshrsi3_table
|
||||
.byte __lshrsi3_28-__lshrsi3_table
|
||||
.byte __lshrsi3_29-__lshrsi3_table
|
||||
.byte __lshrsi3_30-__lshrsi3_table
|
||||
.byte __lshrsi3_31-__lshrsi3_table
|
||||
|
||||
__lshrsi3_6:
|
||||
shlr2 r0
|
||||
__lshrsi3_4:
|
||||
shlr2 r0
|
||||
__lshrsi3_2:
|
||||
rts
|
||||
shlr2 r0
|
||||
|
||||
__lshrsi3_7:
|
||||
shlr2 r0
|
||||
__lshrsi3_5:
|
||||
shlr2 r0
|
||||
__lshrsi3_3:
|
||||
shlr2 r0
|
||||
__lshrsi3_1:
|
||||
rts
|
||||
shlr r0
|
||||
|
||||
__lshrsi3_14:
|
||||
shlr2 r0
|
||||
__lshrsi3_12:
|
||||
shlr2 r0
|
||||
__lshrsi3_10:
|
||||
shlr2 r0
|
||||
__lshrsi3_8:
|
||||
rts
|
||||
shlr8 r0
|
||||
|
||||
__lshrsi3_15:
|
||||
shlr2 r0
|
||||
__lshrsi3_13:
|
||||
shlr2 r0
|
||||
__lshrsi3_11:
|
||||
shlr2 r0
|
||||
__lshrsi3_9:
|
||||
shlr8 r0
|
||||
rts
|
||||
shlr r0
|
||||
|
||||
__lshrsi3_22:
|
||||
shlr2 r0
|
||||
__lshrsi3_20:
|
||||
shlr2 r0
|
||||
__lshrsi3_18:
|
||||
shlr2 r0
|
||||
__lshrsi3_16:
|
||||
rts
|
||||
shlr16 r0
|
||||
|
||||
__lshrsi3_23:
|
||||
shlr2 r0
|
||||
__lshrsi3_21:
|
||||
shlr2 r0
|
||||
__lshrsi3_19:
|
||||
shlr2 r0
|
||||
__lshrsi3_17:
|
||||
shlr16 r0
|
||||
rts
|
||||
shlr r0
|
||||
|
||||
__lshrsi3_30:
|
||||
shlr2 r0
|
||||
__lshrsi3_28:
|
||||
shlr2 r0
|
||||
__lshrsi3_26:
|
||||
shlr2 r0
|
||||
__lshrsi3_24:
|
||||
shlr16 r0
|
||||
rts
|
||||
shlr8 r0
|
||||
|
||||
__lshrsi3_31:
|
||||
shlr2 r0
|
||||
__lshrsi3_29:
|
||||
shlr2 r0
|
||||
__lshrsi3_27:
|
||||
shlr2 r0
|
||||
__lshrsi3_25:
|
||||
shlr16 r0
|
||||
shlr8 r0
|
||||
rts
|
||||
shlr r0
|
||||
|
||||
__lshrsi3_0:
|
||||
rts
|
||||
nop
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
#include "libgcc.h"
|
||||
|
||||
long long __lshrdi3(long long u, word_type b)
|
||||
{
|
||||
DWunion uu, w;
|
||||
word_type bm;
|
||||
|
||||
if (b == 0)
|
||||
return u;
|
||||
|
||||
uu.ll = u;
|
||||
bm = 32 - b;
|
||||
|
||||
if (bm <= 0) {
|
||||
w.s.high = 0;
|
||||
w.s.low = (unsigned int) uu.s.high >> -bm;
|
||||
} else {
|
||||
const unsigned int carries = (unsigned int) uu.s.high << bm;
|
||||
|
||||
w.s.high = (unsigned int) uu.s.high >> b;
|
||||
w.s.low = ((unsigned int) uu.s.low >> b) | carries;
|
||||
}
|
||||
|
||||
return w.ll;
|
||||
}
|
||||
|
|
@ -0,0 +1,238 @@
|
|||
/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
||||
2004, 2005, 2006
|
||||
Free Software Foundation, Inc.
|
||||
|
||||
This file is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by the
|
||||
Free Software Foundation; either version 2, or (at your option) any
|
||||
later version.
|
||||
|
||||
In addition to the permissions in the GNU General Public License, the
|
||||
Free Software Foundation gives you unlimited permission to link the
|
||||
compiled version of this file into combinations with other programs,
|
||||
and to distribute those combinations without any restriction coming
|
||||
from the use of this file. (The General Public License restrictions
|
||||
do apply in other respects; for example, they cover modification of
|
||||
the file, and distribution when not linked into a combine
|
||||
executable.)
|
||||
|
||||
This file is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
|
||||
Boston, MA 02110-1301, USA. */
|
||||
|
||||
!! libgcc routines for the Renesas / SuperH SH CPUs.
|
||||
!! Contributed by Steve Chamberlain.
|
||||
!! sac@cygnus.com
|
||||
|
||||
!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
|
||||
!! recoded in assembly by Toshiyasu Morita
|
||||
!! tm@netcom.com
|
||||
|
||||
/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
|
||||
ELF local label prefixes by J"orn Rennecke
|
||||
amylaar@cygnus.com */
|
||||
|
||||
.text
|
||||
.balign 4
|
||||
.global __movmem
|
||||
.global __movstr
|
||||
.set __movstr, __movmem
|
||||
/* This would be a lot simpler if r6 contained the byte count
|
||||
minus 64, and we wouldn't be called here for a byte count of 64. */
|
||||
__movmem:
|
||||
sts.l pr,@-r15
|
||||
shll2 r6
|
||||
bsr __movmemSI52+2
|
||||
mov.l @(48,r5),r0
|
||||
.balign 4
|
||||
movmem_loop: /* Reached with rts */
|
||||
mov.l @(60,r5),r0
|
||||
add #-64,r6
|
||||
mov.l r0,@(60,r4)
|
||||
tst r6,r6
|
||||
mov.l @(56,r5),r0
|
||||
bt movmem_done
|
||||
mov.l r0,@(56,r4)
|
||||
cmp/pl r6
|
||||
mov.l @(52,r5),r0
|
||||
add #64,r5
|
||||
mov.l r0,@(52,r4)
|
||||
add #64,r4
|
||||
bt __movmemSI52
|
||||
! done all the large groups, do the remainder
|
||||
! jump to movmem+
|
||||
mova __movmemSI4+4,r0
|
||||
add r6,r0
|
||||
jmp @r0
|
||||
movmem_done: ! share slot insn, works out aligned.
|
||||
lds.l @r15+,pr
|
||||
mov.l r0,@(56,r4)
|
||||
mov.l @(52,r5),r0
|
||||
rts
|
||||
mov.l r0,@(52,r4)
|
||||
.balign 4
|
||||
|
||||
.global __movmemSI64
|
||||
.global __movstrSI64
|
||||
.set __movstrSI64, __movmemSI64
|
||||
__movmemSI64:
|
||||
mov.l @(60,r5),r0
|
||||
mov.l r0,@(60,r4)
|
||||
.global __movmemSI60
|
||||
.global __movstrSI60
|
||||
.set __movstrSI60, __movmemSI60
|
||||
__movmemSI60:
|
||||
mov.l @(56,r5),r0
|
||||
mov.l r0,@(56,r4)
|
||||
.global __movmemSI56
|
||||
.global __movstrSI56
|
||||
.set __movstrSI56, __movmemSI56
|
||||
__movmemSI56:
|
||||
mov.l @(52,r5),r0
|
||||
mov.l r0,@(52,r4)
|
||||
.global __movmemSI52
|
||||
.global __movstrSI52
|
||||
.set __movstrSI52, __movmemSI52
|
||||
__movmemSI52:
|
||||
mov.l @(48,r5),r0
|
||||
mov.l r0,@(48,r4)
|
||||
.global __movmemSI48
|
||||
.global __movstrSI48
|
||||
.set __movstrSI48, __movmemSI48
|
||||
__movmemSI48:
|
||||
mov.l @(44,r5),r0
|
||||
mov.l r0,@(44,r4)
|
||||
.global __movmemSI44
|
||||
.global __movstrSI44
|
||||
.set __movstrSI44, __movmemSI44
|
||||
__movmemSI44:
|
||||
mov.l @(40,r5),r0
|
||||
mov.l r0,@(40,r4)
|
||||
.global __movmemSI40
|
||||
.global __movstrSI40
|
||||
.set __movstrSI40, __movmemSI40
|
||||
__movmemSI40:
|
||||
mov.l @(36,r5),r0
|
||||
mov.l r0,@(36,r4)
|
||||
.global __movmemSI36
|
||||
.global __movstrSI36
|
||||
.set __movstrSI36, __movmemSI36
|
||||
__movmemSI36:
|
||||
mov.l @(32,r5),r0
|
||||
mov.l r0,@(32,r4)
|
||||
.global __movmemSI32
|
||||
.global __movstrSI32
|
||||
.set __movstrSI32, __movmemSI32
|
||||
__movmemSI32:
|
||||
mov.l @(28,r5),r0
|
||||
mov.l r0,@(28,r4)
|
||||
.global __movmemSI28
|
||||
.global __movstrSI28
|
||||
.set __movstrSI28, __movmemSI28
|
||||
__movmemSI28:
|
||||
mov.l @(24,r5),r0
|
||||
mov.l r0,@(24,r4)
|
||||
.global __movmemSI24
|
||||
.global __movstrSI24
|
||||
.set __movstrSI24, __movmemSI24
|
||||
__movmemSI24:
|
||||
mov.l @(20,r5),r0
|
||||
mov.l r0,@(20,r4)
|
||||
.global __movmemSI20
|
||||
.global __movstrSI20
|
||||
.set __movstrSI20, __movmemSI20
|
||||
__movmemSI20:
|
||||
mov.l @(16,r5),r0
|
||||
mov.l r0,@(16,r4)
|
||||
.global __movmemSI16
|
||||
.global __movstrSI16
|
||||
.set __movstrSI16, __movmemSI16
|
||||
__movmemSI16:
|
||||
mov.l @(12,r5),r0
|
||||
mov.l r0,@(12,r4)
|
||||
.global __movmemSI12
|
||||
.global __movstrSI12
|
||||
.set __movstrSI12, __movmemSI12
|
||||
__movmemSI12:
|
||||
mov.l @(8,r5),r0
|
||||
mov.l r0,@(8,r4)
|
||||
.global __movmemSI8
|
||||
.global __movstrSI8
|
||||
.set __movstrSI8, __movmemSI8
|
||||
__movmemSI8:
|
||||
mov.l @(4,r5),r0
|
||||
mov.l r0,@(4,r4)
|
||||
.global __movmemSI4
|
||||
.global __movstrSI4
|
||||
.set __movstrSI4, __movmemSI4
|
||||
__movmemSI4:
|
||||
mov.l @(0,r5),r0
|
||||
rts
|
||||
mov.l r0,@(0,r4)
|
||||
|
||||
.global __movmem_i4_even
|
||||
.global __movstr_i4_even
|
||||
.set __movstr_i4_even, __movmem_i4_even
|
||||
|
||||
.global __movmem_i4_odd
|
||||
.global __movstr_i4_odd
|
||||
.set __movstr_i4_odd, __movmem_i4_odd
|
||||
|
||||
.global __movmemSI12_i4
|
||||
.global __movstrSI12_i4
|
||||
.set __movstrSI12_i4, __movmemSI12_i4
|
||||
|
||||
.p2align 5
|
||||
L_movmem_2mod4_end:
|
||||
mov.l r0,@(16,r4)
|
||||
rts
|
||||
mov.l r1,@(20,r4)
|
||||
|
||||
.p2align 2
|
||||
|
||||
__movmem_i4_even:
|
||||
mov.l @r5+,r0
|
||||
bra L_movmem_start_even
|
||||
mov.l @r5+,r1
|
||||
|
||||
__movmem_i4_odd:
|
||||
mov.l @r5+,r1
|
||||
add #-4,r4
|
||||
mov.l @r5+,r2
|
||||
mov.l @r5+,r3
|
||||
mov.l r1,@(4,r4)
|
||||
mov.l r2,@(8,r4)
|
||||
|
||||
L_movmem_loop:
|
||||
mov.l r3,@(12,r4)
|
||||
dt r6
|
||||
mov.l @r5+,r0
|
||||
bt/s L_movmem_2mod4_end
|
||||
mov.l @r5+,r1
|
||||
add #16,r4
|
||||
L_movmem_start_even:
|
||||
mov.l @r5+,r2
|
||||
mov.l @r5+,r3
|
||||
mov.l r0,@r4
|
||||
dt r6
|
||||
mov.l r1,@(4,r4)
|
||||
bf/s L_movmem_loop
|
||||
mov.l r2,@(8,r4)
|
||||
rts
|
||||
mov.l r3,@(12,r4)
|
||||
|
||||
.p2align 4
|
||||
__movmemSI12_i4:
|
||||
mov.l @r5,r0
|
||||
mov.l @(4,r5),r1
|
||||
mov.l @(8,r5),r2
|
||||
mov.l r0,@r4
|
||||
mov.l r1,@(4,r4)
|
||||
rts
|
||||
mov.l r2,@(8,r4)
|
||||
Loading…
Reference in New Issue