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Merge branch 'master' of git://git.denx.de/u-boot-nios

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This commit is contained in:
Wolfgang Denk 2009-12-01 10:15:22 +01:00
commit 21c76b56a4
6 changed files with 7 additions and 198 deletions
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61
examples/standalone/nios.lds
View File

@ -1,61 +0,0 @@
/*
* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* 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_FORMAT("elf32-nios")
OUTPUT_ARCH(nios)
ENTRY(_start)
SECTIONS
{
.text :
{
*(.text)
}
__text_end = .;
. = ALIGN(4);
.rodata :
{
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
}
__rodata_end = .;
. = ALIGN(4);
.data :
{
*(.data)
}
. = ALIGN(4);
__data_end = .;
__bss_start = .;
. = ALIGN(4);
.bss (NOLOAD) :
{
*(.bss)
}
. = ALIGN(4);
__bss_end = .;
_end = .;
}

133
examples/standalone/nios2.lds
View File

@ -1,133 +0,0 @@
/*
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* 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_FORMAT("elf32-littlenios2")
OUTPUT_ARCH(nios2)
ENTRY(_start)
SECTIONS
{
.text :
{
*(.text)
*(.text.*)
*(.gnu.linkonce.t*)
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
*(.gnu.linkonce.r*)
}
. = ALIGN (4);
_etext = .;
PROVIDE (etext = .);
/* INIT DATA sections - "Small" data (see the gcc -G option)
* is always gp-relative. Here we make all init data sections
* adjacent to simplify the startup code -- and provide
* the global pointer for gp-relative access.
*/
_data = .;
.data :
{
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
}
. = ALIGN(16);
_gp = .; /* Global pointer addr */
PROVIDE (gp = .);
.sdata :
{
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
}
. = ALIGN(4);
_edata = .;
PROVIDE (edata = .);
/* UNINIT DATA - Small uninitialized data is first so it's
* adjacent to sdata and can be referenced via gp. The normal
* bss follows. We keep it adjacent to simplify init code.
*/
__bss_start = .;
.sbss (NOLOAD) :
{
*(.sbss)
*(.sbss.*)
*(.gnu.linkonce.sb.*)
*(.scommon)
}
. = ALIGN(4);
.bss (NOLOAD) :
{
*(.bss)
*(.bss.*)
*(.dynbss)
*(COMMON)
*(.scommon)
}
. = ALIGN(4);
_end = .;
PROVIDE (end = .);
/* CMD TABLE - uboot command sections
*/
. = .;
__uboot_cmd_start = .;
.u_boot_cmd :
{
*(.u_boot_cmd)
}
. = ALIGN(4);
__u_boot_cmd_end = .;
/* DEBUG -- symbol table, string table, etc. etc.
*/
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
}

2
lib_nios/config.mk
View File

@ -24,6 +24,6 @@
CROSS_COMPILE ?= nios-elf-
STANDALONE_LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32 -T nios.lds
STANDALONE_LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32
PLATFORM_CPPFLAGS += -m32 -DCONFIG_NIOS -D__NIOS__ -ffixed-g7 -gstabs

2
lib_nios2/board.c
View File

@ -83,8 +83,6 @@ void board_init (void)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
char *s, *e;
int i;
/* Pointer is writable since we allocated a register for it.
* Nios treats CONFIG_SYS_GBL_DATA_OFFSET as an address.

5
lib_nios2/bootm.c
View File

@ -24,6 +24,7 @@
#include <common.h>
#include <command.h>
#include <asm/byteorder.h>
#include <asm/cache.h>
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
@ -32,6 +33,10 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
/* flushes data and instruction caches before calling the kernel */
flush_dcache (0,CONFIG_SYS_DCACHE_SIZE);
flush_icache (0,CONFIG_SYS_ICACHE_SIZE);
/* For now we assume the Microtronix linux ... which only
* needs to be called ;-)
*/

2
lib_nios2/config.mk
View File

@ -24,7 +24,7 @@
CROSS_COMPILE ?= nios2-elf-
STANDALONE_LOAD_ADDR = 0x02000000 -L $(gcclibdir) -T nios2.lds
STANDALONE_LOAD_ADDR = 0x02000000 -L $(gcclibdir)
PLATFORM_CPPFLAGS += -DCONFIG_NIOS2 -D__NIOS2__
PLATFORM_CPPFLAGS += -ffixed-r15 -G0