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-rw-r--r--arch/xtensa/kernel/Makefile3
-rw-r--r--arch/xtensa/kernel/head.S2
-rw-r--r--arch/xtensa/kernel/init_task.c5
-rw-r--r--arch/xtensa/kernel/time.c6
-rw-r--r--arch/xtensa/kernel/vmlinux.lds.S88
5 files changed, 26 insertions, 78 deletions
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index fe3186de6a33..6f56d95f2c1e 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -27,7 +27,8 @@ sed-y = -e 's/(\(\.[a-z]*it\|\.ref\|\)\.text)/(\1.literal \1.text)/g' \
-e 's/(\(\.text\.[a-z]*\))/(\1.literal \1)/g'
quiet_cmd__cpp_lds_S = LDS $@
- cmd__cpp_lds_S = $(CPP) $(cpp_flags) -D__ASSEMBLY__ $< | sed $(sed-y) >$@
+ cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \
+ | sed $(sed-y) >$@
$(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE
$(call if_changed_dep,_cpp_lds_S)
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index d9ddc1ba761c..d215adcfd4ea 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -235,7 +235,7 @@ should_never_return:
* BSS section
*/
-.section ".bss.page_aligned", "w"
+__PAGE_ALIGNED_BSS
#ifdef CONFIG_MMU
ENTRY(swapper_pg_dir)
.fill PAGE_SIZE, 1, 0
diff --git a/arch/xtensa/kernel/init_task.c b/arch/xtensa/kernel/init_task.c
index c4302f0e4ba0..cd122fb7e48a 100644
--- a/arch/xtensa/kernel/init_task.c
+++ b/arch/xtensa/kernel/init_task.c
@@ -23,9 +23,8 @@
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-union thread_union init_thread_union
- __attribute__((__section__(".data.init_task"))) =
-{ INIT_THREAD_INFO(init_task) };
+union thread_union init_thread_union __init_task_data =
+ { INIT_THREAD_INFO(init_task) };
struct task_struct init_task = INIT_TASK(init_task);
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 8848120d291b..19f7df30937f 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -13,6 +13,7 @@
*/
#include <linux/errno.h>
+#include <linux/sched.h>
#include <linux/time.h>
#include <linux/clocksource.h>
#include <linux/interrupt.h>
@@ -59,9 +60,8 @@ static struct irqaction timer_irqaction = {
void __init time_init(void)
{
- xtime.tv_nsec = 0;
- xtime.tv_sec = read_persistent_clock();
-
+ /* FIXME: xtime&wall_to_monotonic are set in timekeeping_init. */
+ read_persistent_clock(&xtime);
set_normalized_timespec(&wall_to_monotonic,
-xtime.tv_sec, -xtime.tv_nsec);
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 41c159cd872f..9b526154c9ba 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -15,6 +15,8 @@
*/
#include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
+#include <asm/thread_info.h>
#include <variant/core.h>
#include <platform/hardware.h>
@@ -107,41 +109,18 @@ SECTIONS
.fixup : { *(.fixup) }
- . = ALIGN(16);
-
- __ex_table : {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
-
+ EXCEPTION_TABLE(16)
/* Data section */
- . = ALIGN(XCHAL_ICACHE_LINESIZE);
_fdata = .;
- .data :
- {
- DATA_DATA
- CONSTRUCTORS
- . = ALIGN(XCHAL_ICACHE_LINESIZE);
- *(.data.cacheline_aligned)
- }
-
+ RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
_edata = .;
- /* The initial task */
- . = ALIGN(8192);
- .data.init_task : { *(.data.init_task) }
-
/* Initialization code and data: */
- . = ALIGN(1 << 12);
+ . = ALIGN(PAGE_SIZE);
__init_begin = .;
- .init.text : {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
+ INIT_TEXT_SECTION(PAGE_SIZE)
.init.data :
{
@@ -168,36 +147,15 @@ SECTIONS
.DebugInterruptVector.text);
__boot_reloc_table_end = ABSOLUTE(.) ;
- }
- . = ALIGN(XCHAL_ICACHE_LINESIZE);
-
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
-
- __initcall_start = .;
- .initcall.init : {
- INITCALLS
+ INIT_SETUP(XCHAL_ICACHE_LINESIZE)
+ INIT_CALLS
+ CON_INITCALL
+ SECURITY_INITCALL
+ INIT_RAM_FS
}
- __initcall_end = .;
-
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
-
- SECURITY_INIT
-
-
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(4096);
- __initramfs_start =.;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
-#endif
-
- PERCPU(4096)
+ PERCPU(PAGE_SIZE)
/* We need this dummy segment here */
@@ -252,16 +210,11 @@ SECTIONS
.DoubleExceptionVector.literal)
. = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
- . = ALIGN(1 << 12);
+ . = ALIGN(PAGE_SIZE);
__init_end = .;
- . = ALIGN(8192);
-
- /* BSS section */
- _bss_start = .;
- .bss : { *(.bss.page_aligned) *(.bss) }
- _bss_end = .;
+ BSS_SECTION(0, 8192, 0)
_end = .;
@@ -280,15 +233,6 @@ SECTIONS
*(.ResetVector.text)
}
- /* Sections to be discarded */
- /DISCARD/ :
- {
- *(.exit.literal)
- EXIT_TEXT
- EXIT_DATA
- *(.exitcall.exit)
- }
-
.xt.lit : { *(.xt.lit) }
.xt.prop : { *(.xt.prop) }
@@ -321,4 +265,8 @@ SECTIONS
*(.xt.lit)
*(.gnu.linkonce.p*)
}
+
+ /* Sections to be discarded */
+ DISCARDS
+ /DISCARD/ : { *(.exit.literal) }
}