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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-01 09:52:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-01 09:52:43 -0700
commitcdce1f0931831cebfbeb811a266a2f4adf5c8a35 (patch)
tree6d7e41800f767e34ea33eeedb6c4a9bb6dd7052c
parent0242909a6135e10a28822c64f9ad50fdad52757c (diff)
parentc5ec6fb08d7806cf1a9e4fceed15f5d4a69f885e (diff)
downloadvexpress-lsk-cdce1f0931831cebfbeb811a266a2f4adf5c8a35.tar.gz
Merge branch 'link_removal' of git://www.jni.nu/cris
* 'link_removal' of git://www.jni.nu/cris: [CRIS] Remove links from CRIS build [CRIS] Merge asm-offsets.c for both arches into one file.
-rw-r--r--arch/cris/Makefile65
-rw-r--r--arch/cris/arch-v10/kernel/asm-offsets.c47
-rw-r--r--arch/cris/arch-v10/vmlinux.lds.S118
-rw-r--r--arch/cris/arch-v32/boot/compressed/head.S16
-rw-r--r--arch/cris/arch-v32/kernel/head.S20
-rw-r--r--arch/cris/kernel/asm-offsets.c (renamed from arch/cris/arch-v32/kernel/asm-offsets.c)51
-rw-r--r--arch/cris/kernel/vmlinux.lds.S (renamed from arch/cris/arch-v32/vmlinux.lds.S)44
7 files changed, 115 insertions, 246 deletions
diff --git a/arch/cris/Makefile b/arch/cris/Makefile
index 22825a7bbe5..3662cfb7b61 100644
--- a/arch/cris/Makefile
+++ b/arch/cris/Makefile
@@ -23,7 +23,8 @@ mach-$(CONFIG_ETRAXFS) := fs
ifneq ($(arch-y),)
SARCH := arch-$(arch-y)
-inc := -Iarch/cris/include/arch-$(arch-y) -Iarch/cris/include/arch-$(arch-y)/arch
+inc := -Iarch/cris/include/$(SARCH)
+inc += -Iarch/cris/include/$(SARCH)/arch
else
SARCH :=
inc :=
@@ -52,74 +53,48 @@ KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
KBUILD_CFLAGS += -fno-omit-frame-pointer
endif
-head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
+head-y := arch/cris/$(SARCH)/kernel/head.o
LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)
-core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
-core-y += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
+core-y += arch/cris/kernel/ arch/cris/mm/
+core-y += arch/cris/$(SARCH)/kernel/ arch/cris/$(SARCH)/mm/
ifdef CONFIG_ETRAX_ARCH_V32
-core-y += arch/$(ARCH)/$(SARCH)/$(MACH)/
+core-y += arch/cris/$(SARCH)/$(MACH)/
endif
-drivers-y += arch/$(ARCH)/$(SARCH)/drivers/
-libs-y += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
+drivers-y += arch/cris/$(SARCH)/drivers/
+libs-y += arch/cris/$(SARCH)/lib/ $(LIBGCC)
# cris source path
-SRC_ARCH = $(srctree)/arch/$(ARCH)
+SRC_ARCH = $(srctree)/arch/cris
# cris object files path
-OBJ_ARCH = $(objtree)/arch/$(ARCH)
+OBJ_ARCH = $(objtree)/arch/cris
-boot := arch/$(ARCH)/boot
-MACHINE := arch/$(ARCH)/$(SARCH)
+boot := arch/cris/$(SARCH)/boot
+MACHINE := arch/cris/$(SARCH)
all: zImage
zImage Image: vmlinux
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
-archprepare: $(SRC_ARCH)/.links FORCE
-
-# Create some links to make all tools happy
-$(SRC_ARCH)/.links:
- @rm -rf $(SRC_ARCH)/drivers
- @ln -sfn $(SARCH)/drivers $(SRC_ARCH)/drivers
- @rm -rf $(SRC_ARCH)/boot
- @ln -sfn $(SARCH)/boot $(SRC_ARCH)/boot
- @rm -rf $(SRC_ARCH)/lib
- @ln -sfn $(SARCH)/lib $(SRC_ARCH)/lib
- @rm -f $(SRC_ARCH)/arch/mach
- @rm -rf $(SRC_ARCH)/arch
- @ln -sfn $(SARCH) $(SRC_ARCH)/arch
-ifdef CONFIG_ETRAX_ARCH_V32
- @ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach
-endif
- @rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S
- @ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
- @rm -rf $(SRC_ARCH)/kernel/asm-offsets.c
- @ln -sfn ../$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
- @touch $@
+archprepare:
archclean:
- $(Q)if [ -e arch/$(ARCH)/boot ]; then \
- $(MAKE) $(clean)=arch/$(ARCH)/boot; \
+ $(Q)if [ -e arch/cris/$(SARCH)/boot ]; then \
+ $(MAKE) $(clean)=arch/cris/$(SARCH)/boot; \
fi
CLEAN_FILES += \
$(MACHINE)/boot/zImage \
$(MACHINE)/boot/compressed/decompress.bin \
$(MACHINE)/boot/compressed/piggy.gz \
- $(MACHINE)/boot/rescue/rescue.bin \
- $(SRC_ARCH)/.links
+ $(MACHINE)/boot/rescue/rescue.bin
+
-MRPROPER_FILES += \
- $(SRC_ARCH)/drivers \
- $(SRC_ARCH)/boot \
- $(SRC_ARCH)/lib \
- $(SRC_ARCH)/arch \
- $(SRC_ARCH)/kernel/vmlinux.lds.S \
- $(SRC_ARCH)/kernel/asm-offsets.c
+# MRPROPER_FILES +=
define archhelp
- echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
- echo '* Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
+ echo '* zImage - Compressed kernel image (arch/cris/boot/zImage)'
+ echo '* Image - Uncompressed kernel image (arch/cris/boot/Image)'
endef
diff --git a/arch/cris/arch-v10/kernel/asm-offsets.c b/arch/cris/arch-v10/kernel/asm-offsets.c
deleted file mode 100644
index 1aa3cc4e710..00000000000
--- a/arch/cris/arch-v10/kernel/asm-offsets.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <linux/sched.h>
-#include <asm/thread_info.h>
-
-/*
- * Generate definitions needed by assembly language modules.
- * This code generates raw asm output which is post-processed to extract
- * and format the required data.
- */
-
-#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
-
-#define BLANK() asm volatile("\n->" : : )
-
-int main(void)
-{
-#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
- ENTRY(orig_r10);
- ENTRY(r13);
- ENTRY(r12);
- ENTRY(r11);
- ENTRY(r10);
- ENTRY(r9);
- ENTRY(mof);
- ENTRY(dccr);
- ENTRY(srp);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
- ENTRY(task);
- ENTRY(flags);
- ENTRY(preempt_count);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
- ENTRY(ksp);
- ENTRY(usp);
- ENTRY(dccr);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
- ENTRY(pid);
- BLANK();
- DEFINE(LCLONE_VM, CLONE_VM);
- DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
- return 0;
-}
diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S
deleted file mode 100644
index 93c9f0ea286..00000000000
--- a/arch/cris/arch-v10/vmlinux.lds.S
+++ /dev/null
@@ -1,118 +0,0 @@
-/* ld script to make the Linux/CRIS kernel
- * Authors: Bjorn Wesen (bjornw@axis.com)
- *
- * It is VERY DANGEROUS to fiddle around with the symbols in this
- * script. It is for example quite vital that all generated sections
- * that are used are actually named here, otherwise the linker will
- * put them at the end, where the init stuff is which is FREED after
- * the kernel has booted.
- */
-
-#include <asm-generic/vmlinux.lds.h>
-#include <asm/page.h>
-
-jiffies = jiffies_64;
-SECTIONS
-{
- . = DRAM_VIRTUAL_BASE;
- dram_start = .;
- ibr_start = .;
- . = . + 0x4000; /* see head.S and pages reserved at the start */
-
- _text = .; /* Text and read-only data */
- text_start = .; /* lots of aliases */
- _stext = .;
- __stext = .;
- .text : {
- TEXT_TEXT
- SCHED_TEXT
- LOCK_TEXT
- *(.fixup)
- *(.text.__*)
- }
-
- _etext = . ; /* End of text section */
- __etext = .;
-
- . = ALIGN(4); /* Exception table */
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
-
- RODATA
-
- . = ALIGN (4);
- ___data_start = . ;
- __Sdata = . ;
- .data : { /* Data */
- DATA_DATA
- }
- __edata = . ; /* End of data section */
- _edata = . ;
-
- . = ALIGN(PAGE_SIZE); /* init_task and stack, must be aligned */
- .data.init_task : { *(.data.init_task) }
-
- . = ALIGN(PAGE_SIZE); /* Init code and data */
- __init_begin = .;
- .init.text : {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
- .init.data : { INIT_DATA }
- . = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
- .initcall.init : {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
-
- .con_initcall.init : {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
- }
- SECURITY_INIT
-
-#ifdef CONFIG_BLK_DEV_INITRD
- .init.ramfs : {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
- }
-#endif
- __vmlinux_end = .; /* last address of the physical file */
-
- /*
- * We fill to the next page, so we can discard all init
- * pages without needing to consider what payload might be
- * appended to the kernel image.
- */
- . = ALIGN(PAGE_SIZE);
-
- __init_end = .;
-
- __data_end = . ; /* Move to _edata ? */
- __bss_start = .; /* BSS */
- .bss : {
- *(COMMON)
- *(.bss)
- }
-
- . = ALIGN (0x20);
- _end = .;
- __end = .;
-
- /* Sections to be discarded */
- /DISCARD/ : {
- EXIT_TEXT
- EXIT_DATA
- *(.exitcall.exit)
- }
-
- dram_end = dram_start + CONFIG_ETRAX_DRAM_SIZE*1024*1024;
-}
diff --git a/arch/cris/arch-v32/boot/compressed/head.S b/arch/cris/arch-v32/boot/compressed/head.S
index ea3012993b0..a4a65c5c669 100644
--- a/arch/cris/arch-v32/boot/compressed/head.S
+++ b/arch/cris/arch-v32/boot/compressed/head.S
@@ -28,7 +28,13 @@ _start:
beq dram_init_finished
nop
-#include "../../mach/dram_init.S"
+#if defined CONFIG_ETRAXFS
+#include "../../mach-fs/dram_init.S"
+#elif defined CONFIG_CRIS_MACH_ARTPEC3
+#include "../../mach-a3/dram_init.S"
+#else
+#error Only ETRAXFS and ARTPEC-3 supported!
+#endif
dram_init_finished:
@@ -130,4 +136,10 @@ _cmd_line_addr:
_boot_source:
.dword 0
-#include "../../mach/hw_settings.S"
+#if defined CONFIG_ETRAXFS
+#include "../../mach-fs/hw_settings.S"
+#elif defined CONFIG_CRIS_MACH_ARTPEC3
+#include "../../mach-a3/hw_settings.S"
+#else
+#error Only ETRAXFS and ARTPEC-3 supported!
+#endif
diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S
index f902d87fb5d..3db478eb515 100644
--- a/arch/cris/arch-v32/kernel/head.S
+++ b/arch/cris/arch-v32/kernel/head.S
@@ -10,8 +10,9 @@
* The macros found in mmu_defs_asm.h uses the ## concatenation operator, so
* -traditional must not be used when assembling this file.
*/
-#include <hwregs/reg_rdwr.h>
+#include <linux/autoconf.h>
#include <arch/memmap.h>
+#include <hwregs/reg_rdwr.h>
#include <hwregs/intr_vect.h>
#include <hwregs/asm/mmu_defs_asm.h>
#include <hwregs/asm/reg_map_asm.h>
@@ -217,7 +218,14 @@ _inflash:
beq _dram_initialized
nop
-#include "../mach/dram_init.S"
+#if defined CONFIG_ETRAXFS
+#include "../mach-fs/dram_init.S"
+#elif defined CONFIG_CRIS_MACH_ARTPEC3
+#include "../mach-a3/dram_init.S"
+#else
+#error Only ETRAXFS and ARTPEC-3 supported!
+#endif
+
_dram_initialized:
;; Copy the text and data section to DRAM. This depends on that the
@@ -472,4 +480,10 @@ swapper_pg_dir = 0xc0002000
.section ".init.data", "aw"
-#include "../mach/hw_settings.S"
+#if defined CONFIG_ETRAXFS
+#include "../mach-fs/hw_settings.S"
+#elif defined CONFIG_CRIS_MACH_ARTPEC3
+#include "../mach-a3/hw_settings.S"
+#else
+#error Only ETRAXFS and ARTPEC-3 supported!
+#endif
diff --git a/arch/cris/arch-v32/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c
index 15b3d93a049..ddd6fbbe75d 100644
--- a/arch/cris/arch-v32/kernel/asm-offsets.c
+++ b/arch/cris/kernel/asm-offsets.c
@@ -1,5 +1,6 @@
#include <linux/sched.h>
#include <asm/thread_info.h>
+#include <linux/autoconf.h>
/*
* Generate definitions needed by assembly language modules.
@@ -8,10 +9,14 @@
*/
#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+ asm volatile("\n->" #sym " %0 " #val : : "i" (val))
#define BLANK() asm volatile("\n->" : : )
+#if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32)
+#error One of ARCH v10 and ARCH v32 must be true!
+#endif
+
int main(void)
{
#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
@@ -19,31 +24,41 @@ int main(void)
ENTRY(r13);
ENTRY(r12);
ENTRY(r11);
- ENTRY(r10);
- ENTRY(r9);
+ ENTRY(r10);
+ ENTRY(r9);
+#ifdef CONFIG_ETRAX_ARCH_V32
ENTRY(acr);
ENTRY(srs);
- ENTRY(mof);
- ENTRY(ccs);
- ENTRY(srp);
+#endif
+ ENTRY(mof);
+#ifdef CONFIG_ETRAX_ARCH_V10
+ ENTRY(dccr);
+#else
+ ENTRY(ccs);
+#endif
+ ENTRY(srp);
BLANK();
#undef ENTRY
#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
- ENTRY(task);
- ENTRY(flags);
- ENTRY(preempt_count);
- BLANK();
+ ENTRY(task);
+ ENTRY(flags);
+ ENTRY(preempt_count);
+ BLANK();
#undef ENTRY
#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
ENTRY(ksp);
- ENTRY(usp);
- ENTRY(ccs);
- BLANK();
+ ENTRY(usp);
+#ifdef CONFIG_ETRAX_ARCH_V10
+ ENTRY(dccr);
+#else
+ ENTRY(ccs);
+#endif
+ BLANK();
#undef ENTRY
#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
- ENTRY(pid);
- BLANK();
- DEFINE(LCLONE_VM, CLONE_VM);
- DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
- return 0;
+ ENTRY(pid);
+ BLANK();
+ DEFINE(LCLONE_VM, CLONE_VM);
+ DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
+ return 0;
}
diff --git a/arch/cris/arch-v32/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index d5f28e40717..0d2adfc794d 100644
--- a/arch/cris/arch-v32/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -8,6 +8,7 @@
* the kernel has booted.
*/
+#include <linux/autoconf.h>
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
@@ -17,22 +18,26 @@
#define __CONFIG_ETRAX_VMEM_SIZE 0
#endif
+
jiffies = jiffies_64;
SECTIONS
{
. = DRAM_VIRTUAL_BASE;
dram_start = .;
+#ifdef CONFIG_ETRAX_ARCH_V10
+ ibr_start = .;
+#else
ebp_start = .;
-
/* The boot section is only necessary until the VCS top */
/* level testbench includes both flash and DRAM. */
.boot : { *(.boot) }
+#endif
- /* See head.S and pages reserved at the start. */
+ /* see head.S and pages reserved at the start */
. = DRAM_VIRTUAL_BASE + 0x4000;
- _text = .; /* Text and read-only data. */
- text_start = .; /* Lots of aliases. */
+ _text = .; /* Text and read-only data. */
+ text_start = .; /* Lots of aliases. */
_stext = .;
__stext = .;
.text : {
@@ -43,10 +48,10 @@ SECTIONS
*(.text.__*)
}
- _etext = . ; /* End of text section. */
+ _etext = . ; /* End of text section. */
__etext = .;
- . = ALIGN(4); /* Exception table. */
+ . = ALIGN(4); /* Exception table. */
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
@@ -56,16 +61,16 @@ SECTIONS
. = ALIGN (4);
___data_start = . ;
__Sdata = . ;
- .data : { /* Data */
+ .data : { /* Data */
DATA_DATA
}
- __edata = . ; /* End of data section. */
+ __edata = . ; /* End of data section. */
_edata = . ;
. = ALIGN(PAGE_SIZE); /* init_task and stack, must be aligned. */
.data.init_task : { *(.data.init_task) }
- . = ALIGN(PAGE_SIZE); /* Init code and data. */
+ . = ALIGN(PAGE_SIZE); /* Init code and data. */
__init_begin = .;
.init.text : {
_sinittext = .;
@@ -77,9 +82,11 @@ SECTIONS
__setup_start = .;
.init.setup : { *(.init.setup) }
__setup_end = .;
+#ifdef CONFIG_ETRAX_ARCH_V32
__start___param = .;
__param : { *(__param) }
__stop___param = .;
+#endif
.initcall.init : {
__initcall_start = .;
INITCALLS
@@ -93,7 +100,17 @@ SECTIONS
}
SECURITY_INIT
- __vmlinux_end = .; /* Last address of the physical file. */
+#ifdef CONFIG_ETRAX_ARCH_V10
+#ifdef CONFIG_BLK_DEV_INITRD
+ .init.ramfs : {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ }
+#endif
+#endif
+ __vmlinux_end = .; /* Last address of the physical file. */
+#ifdef CONFIG_ETRAX_ARCH_V32
PERCPU(PAGE_SIZE)
.init.ramfs : {
@@ -101,18 +118,19 @@ SECTIONS
*(.init.ramfs)
__initramfs_end = .;
}
+#endif
/*
* We fill to the next page, so we can discard all init
* pages without needing to consider what payload might be
* appended to the kernel image.
*/
- . = ALIGN (PAGE_SIZE);
+ . = ALIGN(PAGE_SIZE);
__init_end = .;
- __data_end = . ; /* Move to _edata? */
- __bss_start = .; /* BSS. */
+ __data_end = . ; /* Move to _edata ? */
+ __bss_start = .; /* BSS. */
.bss : {
*(COMMON)
*(.bss)