Patches by Scott McNutt, 24 Aug 2004:
- Add support for Altera Nios-II processors. - Add support for Psyent PCI-5441 board. - Add support for Psyent PK1C20 board.
This commit is contained in:
wdenk
@@ -41,6 +41,10 @@ ifeq ($(ARCH),nios)
|
||||
LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32 -T nios.lds
|
||||
endif
|
||||
|
||||
ifeq ($(ARCH),nios2)
|
||||
LOAD_ADDR = 0x00800000 -L $(gcclibdir) -T nios2.lds
|
||||
endif
|
||||
|
||||
ifeq ($(ARCH),m68k)
|
||||
LOAD_ADDR = 0x20000 -L $(clibdir)
|
||||
endif
|
||||
|
||||
133
examples/nios2.lds
Normal file
133
examples/nios2.lds
Normal file
@@ -0,0 +1,133 @@
|
||||
/*
|
||||
* (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*)
|
||||
*(.rodata)
|
||||
*(.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 :
|
||||
{
|
||||
*(.sbss)
|
||||
*(.sbss.*)
|
||||
*(.gnu.linkonce.sb.*)
|
||||
*(.scommon)
|
||||
}
|
||||
. = ALIGN(4);
|
||||
.bss :
|
||||
{
|
||||
*(.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) }
|
||||
}
|
||||
@@ -82,6 +82,21 @@ gd_t *global_data;
|
||||
" jmp %%g0\n" \
|
||||
" nop \n" \
|
||||
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x) : "r0");
|
||||
#elif defined(CONFIG_NIOS2)
|
||||
/*
|
||||
* r15 holds the pointer to the global_data, r8 is call-clobbered
|
||||
*/
|
||||
#define EXPORT_FUNC(x) \
|
||||
asm volatile ( \
|
||||
" .globl " #x "\n" \
|
||||
#x ":\n" \
|
||||
" movhi r8, %%hi(%0)\n" \
|
||||
" ori r8, r0, %%lo(%0)\n" \
|
||||
" add r8, r0, r15\n" \
|
||||
" ldw r8, 0(r8)\n" \
|
||||
" ldw r8, %1(r8)\n" \
|
||||
" jmp r8\n" \
|
||||
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r15");
|
||||
#elif defined(CONFIG_M68K)
|
||||
/*
|
||||
* d7 holds the pointer to the global_data, a0 is a call-clobbered
|
||||
|
||||
Reference in New Issue
Block a user