diff options
Diffstat (limited to 'cpu/mpc824x')
-rw-r--r-- | cpu/mpc824x/config.mk | 5 | ||||
-rw-r--r-- | cpu/mpc824x/traps.c | 4 | ||||
-rw-r--r-- | cpu/mpc824x/u-boot.lds | 124 |
3 files changed, 130 insertions, 3 deletions
diff --git a/cpu/mpc824x/config.mk b/cpu/mpc824x/config.mk index dac61d8..17fdb21 100644 --- a/cpu/mpc824x/config.mk +++ b/cpu/mpc824x/config.mk @@ -21,6 +21,9 @@ # MA 02111-1307 USA # -PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi -fno-strict-aliasing +PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi -fno-strict-aliasing -mrelocatable PLATFORM_CPPFLAGS += -DCONFIG_MPC824X -ffixed-r2 -ffixed-r29 -mstring -mcpu=603e -msoft-float + +# Use default linker script. Board port can override in board/*/config.mk +LDSCRIPT := $(SRCTREE)/cpu/mpc824x/u-boot.lds diff --git a/cpu/mpc824x/traps.c b/cpu/mpc824x/traps.c index 071d003..0a72430 100644 --- a/cpu/mpc824x/traps.c +++ b/cpu/mpc824x/traps.c @@ -175,7 +175,7 @@ UnknownException(struct pt_regs *regs) _exception(0, regs); } -#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG) +#if defined(CONFIG_CMD_BEDBUG) extern void do_bedbug_breakpoint(struct pt_regs *); #endif @@ -185,7 +185,7 @@ DebugException(struct pt_regs *regs) printf("Debugger trap at @ %lx\n", regs->nip ); show_regs(regs); -#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG) +#if defined(CONFIG_CMD_BEDBUG) do_bedbug_breakpoint( regs ); #endif } diff --git a/cpu/mpc824x/u-boot.lds b/cpu/mpc824x/u-boot.lds new file mode 100644 index 0000000..8cbef4a --- /dev/null +++ b/cpu/mpc824x/u-boot.lds @@ -0,0 +1,124 @@ +/* + * (C) Copyright 2001-2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program 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 of + * the License, or (at your option) any later version. + * + * This program 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; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc824x/start.o (.text) + *(.text) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |