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.

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

arch/cris/arch-v10/kernel/asm-offsets.c

-#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;
-}

arch/cris/arch-v10/vmlinux.lds.S

-/* 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;
-}

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

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

arch/cris/arch-v32/kernel/asm-offsets.c → arch/cris/kernel/asm-offsets.c

 #include <linux/sched.h>
 #include <asm/thread_info.h>
+#include <linux/autoconf.h>
 
 /*
  * Generate definitions needed by assembly language modules.
@@ -12,6 +13,10 @@
 
 #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))
@@ -21,10 +26,16 @@ int main(void)
 	ENTRY(r11);
 	ENTRY(r10);
 	ENTRY(r9);
+#ifdef CONFIG_ETRAX_ARCH_V32
 	ENTRY(acr);
 	ENTRY(srs);
+#endif
 	ENTRY(mof);
+#ifdef CONFIG_ETRAX_ARCH_V10
+	ENTRY(dccr);
+#else
 	ENTRY(ccs);
+#endif
 	ENTRY(srp);
 	BLANK();
 #undef ENTRY
@@ -37,7 +48,11 @@ int main(void)
 #define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
 	ENTRY(ksp);
 	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))

arch/cris/arch-v32/vmlinux.lds.S → 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>
 
@@ -17,18 +18,22 @@
 #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. */
@@ -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
 
+#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 : {
@@ -101,17 +118,18 @@ 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? */
+	__data_end = . ;		/* Move to _edata ? */
 	__bss_start = .;		/* BSS. */
 	.bss : {
 		*(COMMON)