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Diffstat (limited to 'arch/xtensa/kernel/vmlinux.lds.S')
-rw-r--r--arch/xtensa/kernel/vmlinux.lds.S52
1 files changed, 50 insertions, 2 deletions
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 943f10639a93..01e3112cdb27 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -134,6 +134,9 @@ SECTIONS
NOTES
/* Data section */
+#ifdef CONFIG_XIP_KERNEL
+ INIT_TEXT_SECTION(PAGE_SIZE)
+#else
_sdata = .;
RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
_edata = .;
@@ -147,6 +150,11 @@ SECTIONS
.init.data :
{
INIT_DATA
+ }
+#endif
+
+ .init.rodata :
+ {
. = ALIGN(0x4);
__tagtable_begin = .;
*(.taglist)
@@ -187,12 +195,16 @@ SECTIONS
RELOCATE_ENTRY(_DebugInterruptVector_text,
.DebugInterruptVector.text);
#endif
+#ifdef CONFIG_XIP_KERNEL
+ RELOCATE_ENTRY(_xip_data, .data);
+ RELOCATE_ENTRY(_xip_init_data, .init.data);
+#else
#if defined(CONFIG_SMP)
RELOCATE_ENTRY(_SecondaryResetVector_text,
.SecondaryResetVector.text);
#endif
+#endif
-
__boot_reloc_table_end = ABSOLUTE(.) ;
INIT_SETUP(XCHAL_ICACHE_LINESIZE)
@@ -278,7 +290,7 @@ SECTIONS
. = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
#endif
-#if defined(CONFIG_SMP)
+#if !defined(CONFIG_XIP_KERNEL) && defined(CONFIG_SMP)
SECTION_VECTOR (_SecondaryResetVector_text,
.SecondaryResetVector.text,
@@ -291,12 +303,48 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
+#ifndef CONFIG_XIP_KERNEL
__init_end = .;
BSS_SECTION(0, 8192, 0)
+#endif
_end = .;
+#ifdef CONFIG_XIP_KERNEL
+ . = CONFIG_XIP_DATA_ADDR;
+
+ _xip_start = .;
+
+#undef LOAD_OFFSET
+#define LOAD_OFFSET \
+ (CONFIG_XIP_DATA_ADDR - (LOADADDR(.dummy) + SIZEOF(.dummy) + 3) & ~ 3)
+
+ _xip_data_start = .;
+ _sdata = .;
+ RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
+ _edata = .;
+ _xip_data_end = .;
+
+ /* Initialization data: */
+
+ STRUCT_ALIGN();
+
+ _xip_init_data_start = .;
+ __init_begin = .;
+ .init.data :
+ {
+ INIT_DATA
+ }
+ _xip_init_data_end = .;
+ __init_end = .;
+ BSS_SECTION(0, 8192, 0)
+
+ _xip_end = .;
+
+#undef LOAD_OFFSET
+#endif
+
DWARF_DEBUG
.xt.prop 0 : { KEEP(*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*)) }