2 * File: arch/blackfin/kernel/vmlinux.lds.S
3 * Based on: none - original work
6 * Created: Tue Sep 21 2004
7 * Description: Master linker script for blackfin architecture
10 * Copyright 2004-2007 Analog Devices Inc.
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #define VMLINUX_SYMBOL(_sym_) _##_sym_
32 #include <asm-generic/vmlinux.lds.h>
33 #include <asm/mem_map.h>
35 #include <asm/thread_info.h>
37 OUTPUT_FORMAT("elf32-bfin")
39 _jiffies = _jiffies_64;
44 /* Neither the text, ro_data or bss section need to be aligned
45 * So pack them back to back
53 #ifndef CONFIG_SCHEDULE_L1
67 ___start___ex_table = .;
69 ___stop___ex_table = .;
76 /* Just in case the first read only is a 32-bit access */
98 /* This gets done first, so the glob doesn't suck it in */
99 CACHELINE_ALIGNED_DATA(32)
101 #if !L1_DATA_A_LENGTH
103 *(.data_l1.cacheline_aligned)
106 #if !L1_DATA_B_LENGTH
111 *(.data_l2.cacheline_aligned)
118 INIT_TASK_DATA(THREAD_SIZE)
123 /* The init section should be last, so when we free it, it goes into
124 * the general memory pool, and (hopefully) will decrease fragmentation
125 * a tiny bit. The init section has a _requirement_ that it be
128 . = ALIGN(PAGE_SIZE);
131 INIT_TEXT_SECTION(PAGE_SIZE)
133 INIT_DATA_SECTION(16)
136 /* we have to discard exit text and such at runtime, not link time, to
137 * handle embedded cross-section references (alt instructions, bug
138 * table, eh_frame, etc...)
151 .text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data))
156 #ifdef CONFIG_SCHEDULE_L1
162 ASSERT (SIZEOF(.text_l1) <= L1_CODE_LENGTH, "L1 text overflow!")
164 .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))
172 *(.data_l1.cacheline_aligned)
180 ASSERT (SIZEOF(.data_l1) <= L1_DATA_A_LENGTH, "L1 data A overflow!")
182 .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))
195 ASSERT (SIZEOF(.data_b_l1) <= L1_DATA_B_LENGTH, "L1 data B overflow!")
197 __l2_lma_start = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
199 .text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1))
213 *(.data_l2.cacheline_aligned)
221 ASSERT (SIZEOF(.text_data_l2) <= L2_LENGTH, "L2 overflow!")
223 /* Force trailing alignment of our init section so that when we
224 * free our init memory, we don't leave behind a partial page.
226 . = LOADADDR(.text_data_l2) + SIZEOF(.text_data_l2);
227 . = ALIGN(PAGE_SIZE);