3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # See file CREDITS for list of people who contributed to this
8 # This program is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU General Public License as
10 # published by the Free Software Foundation; either version 2 of
11 # the License, or (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 CROSS_COMPILE ?= mips_4KC-
26 # Handle special prefix in ELDK 4.0 toolchain
27 ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
31 ifdef CONFIG_SYS_LITTLE_ENDIAN
35 ifdef CONFIG_SYS_BIG_ENDIAN
39 # Default to EB if no endianess is configured
42 PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
45 # From Linux arch/mips/Makefile
47 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
48 # code since it only slows down the whole thing. At some point we might make
49 # use of global pointer optimizations but their use of $28 conflicts with
50 # the current pointer optimization.
52 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
53 # machines may also. Since BFD is incredibly buggy with respect to
54 # crossformat linking we rely on the elf2ecoff tool for format conversion.
56 # cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
57 # cflags-y += -msoft-float
58 # LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
59 # MODFLAGS += -mlong-calls
61 # On the other hand, we want PIC in the U-Boot code to relocate it from ROM
62 # to RAM. $28 is always used as gp.
64 PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic $(ENDIANNESS)
65 PLATFORM_CPPFLAGS += -msoft-float
66 PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib $(ENDIANNESS)
67 PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
68 LDFLAGS_FINAL += --gc-sections