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linux/arch/csky/kernel/vmlinux.lds.S
Peter Zijlstra 2b5a0e425e objtool/idle: Validate __cpuidle code as noinstr
Idle code is very like entry code in that RCU isn't available. As
such, add a little validation.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20230112195540.373461409@infradead.org
2023-01-13 11:48:15 +01:00

116 lines
1.9 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
#include <asm/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/memory.h>
OUTPUT_ARCH(csky)
ENTRY(_start)
#ifndef __cskyBE__
jiffies = jiffies_64;
#else
jiffies = jiffies_64 + 4;
#endif
#define VBR_BASE \
. = ALIGN(1024); \
vec_base = .; \
. += 512;
SECTIONS
{
. = PAGE_OFFSET + PHYS_OFFSET_OFFSET;
_start = .;
HEAD_TEXT_SECTION
. = ALIGN(PAGE_SIZE);
.text : AT(ADDR(.text) - LOAD_OFFSET) {
_text = .;
_stext = .;
VBR_BASE
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
*(.fixup)
*(.gnu.warning)
} = 0
_etext = .;
/* __init_begin __init_end must be page aligned for free_initmem */
. = ALIGN(PAGE_SIZE);
__init_begin = .;
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(PAGE_SIZE)
PERCPU_SECTION(L1_CACHE_BYTES)
. = ALIGN(PAGE_SIZE);
__init_end = .;
_sdata = .;
RO_DATA(PAGE_SIZE)
RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
#ifdef CONFIG_HAVE_TCM
.tcm_start : {
. = ALIGN(PAGE_SIZE);
__tcm_start = .;
}
.text_data_tcm FIXADDR_TCM : AT(__tcm_start)
{
. = ALIGN(4);
__stcm_text_data = .;
*(.tcm.text)
*(.tcm.rodata)
#ifndef CONFIG_HAVE_DTCM
*(.tcm.data)
#endif
. = ALIGN(4);
__etcm_text_data = .;
}
. = ADDR(.tcm_start) + SIZEOF(.tcm_start) + SIZEOF(.text_data_tcm);
#ifdef CONFIG_HAVE_DTCM
#define ITCM_SIZE CONFIG_ITCM_NR_PAGES * PAGE_SIZE
.dtcm_start : {
__dtcm_start = .;
}
.data_tcm FIXADDR_TCM + ITCM_SIZE : AT(__dtcm_start)
{
. = ALIGN(4);
__stcm_data = .;
*(.tcm.data)
. = ALIGN(4);
__etcm_data = .;
}
. = ADDR(.dtcm_start) + SIZEOF(.data_tcm);
.tcm_end : AT(ADDR(.dtcm_start) + SIZEOF(.data_tcm)) {
#else
.tcm_end : AT(ADDR(.tcm_start) + SIZEOF(.text_data_tcm)) {
#endif
. = ALIGN(PAGE_SIZE);
__tcm_end = .;
}
#endif
EXCEPTION_TABLE(L1_CACHE_BYTES)
BSS_SECTION(L1_CACHE_BYTES, PAGE_SIZE, L1_CACHE_BYTES)
_end = . ;
STABS_DEBUG
DWARF_DEBUG
ELF_DETAILS
DISCARDS
}