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-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/Makefile13
-rw-r--r--arch/arm/boot/Makefile10
-rw-r--r--arch/arm/include/asm/flat.h2
-rw-r--r--arch/arm/include/asm/uaccess.h4
-rw-r--r--arch/arm/kernel/irq.c2
-rw-r--r--arch/arm/kernel/kprobes-test-arm.c4
-rw-r--r--arch/arm/lib/delay.c1
-rw-r--r--arch/arm/mm/alignment.c4
-rw-r--r--arch/arm/tools/Makefile2
10 files changed, 27 insertions, 16 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 35a26d42ef3..ade7e924bef 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1850,6 +1850,7 @@ config XEN_DOM0
config XEN
bool "Xen guest support on ARM (EXPERIMENTAL)"
depends on EXPERIMENTAL && ARM && OF
+ depends on CPU_V7 && !CPU_V6
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index f023e3acdfb..5f914fca911 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -21,8 +21,6 @@ endif
OBJCOPYFLAGS :=-O binary -R .comment -S
GZFLAGS :=-9
#KBUILD_CFLAGS +=-pipe
-# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
-KBUILD_CFLAGS +=$(call cc-option,-marm,)
# Never generate .eh_frame
KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
@@ -105,17 +103,20 @@ endif
ifeq ($(CONFIG_THUMB2_KERNEL),y)
AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
-CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
-AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb
+CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
+AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
# Work around buggy relocation from gas if requested:
ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
CFLAGS_MODULE +=-fno-optimize-sibling-calls
endif
+else
+CFLAGS_ISA :=$(call cc-option,-marm,)
+AFLAGS_ISA :=$(CFLAGS_ISA)
endif
# Need -Uarm for gcc < 3.x
-KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
-KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
+KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
+KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
CHECKFLAGS += -D__arm__
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 3fdab016aa5..f2aa09eb658 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -33,7 +33,7 @@ ifeq ($(CONFIG_XIP_KERNEL),y)
$(obj)/xipImage: vmlinux FORCE
$(call if_changed,objcopy)
- @echo ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
+ $(kecho) ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
$(obj)/Image $(obj)/zImage: FORCE
@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
@@ -48,14 +48,14 @@ $(obj)/xipImage: FORCE
$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
- @echo ' Kernel: $@ is ready'
+ $(kecho) ' Kernel: $@ is ready'
$(obj)/compressed/vmlinux: $(obj)/Image FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(call if_changed,objcopy)
- @echo ' Kernel: $@ is ready'
+ $(kecho) ' Kernel: $@ is ready'
endif
@@ -90,7 +90,7 @@ fi
$(obj)/uImage: $(obj)/zImage FORCE
@$(check_for_multiple_loadaddr)
$(call if_changed,uimage)
- @echo ' Image $@ is ready'
+ $(kecho) ' Image $@ is ready'
$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
$(Q)$(MAKE) $(build)=$(obj)/bootp $@
@@ -98,7 +98,7 @@ $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
$(call if_changed,objcopy)
- @echo ' Kernel: $@ is ready'
+ $(kecho) ' Kernel: $@ is ready'
PHONY += initrd FORCE
initrd:
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index 59426a4595c..e847d23351e 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -8,7 +8,7 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval, flags, persistent) get_unaligned(rp)
+#define flat_get_addr_from_rp(rp, relval, flags, persistent) ((void)persistent,get_unaligned(rp))
#define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp)
#define flat_get_relocate_addr(rel) (rel)
#define flat_set_persistent(relval, p) 0
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 77bd79f2ffd..7e1f76027f6 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -200,8 +200,8 @@ extern int __put_user_8(void *, unsigned long long);
#define USER_DS KERNEL_DS
#define segment_eq(a,b) (1)
-#define __addr_ok(addr) (1)
-#define __range_ok(addr,size) (0)
+#define __addr_ok(addr) ((void)(addr),1)
+#define __range_ok(addr,size) ((void)(addr),0)
#define get_fs() (KERNEL_DS)
static inline void set_fs(mm_segment_t fs)
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 16cedb42c0c..896165096d6 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -34,6 +34,7 @@
#include <linux/list.h>
#include <linux/kallsyms.h>
#include <linux/proc_fs.h>
+#include <linux/export.h>
#include <asm/exception.h>
#include <asm/mach/arch.h>
@@ -109,6 +110,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
/* Order is clear bits in "clr" then set bits in "set" */
irq_modify_status(irq, clr, set & ~clr);
}
+EXPORT_SYMBOL_GPL(set_irq_flags);
void __init init_IRQ(void)
{
diff --git a/arch/arm/kernel/kprobes-test-arm.c b/arch/arm/kernel/kprobes-test-arm.c
index 38c1a3b103a..83931290506 100644
--- a/arch/arm/kernel/kprobes-test-arm.c
+++ b/arch/arm/kernel/kprobes-test-arm.c
@@ -366,7 +366,9 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(".word 0xe04f0392 @ umaal r0, pc, r2, r3")
TEST_UNSUPPORTED(".word 0xe0500090 @ undef")
TEST_UNSUPPORTED(".word 0xe05fff9f @ undef")
+#endif
+#if __LINUX_ARM_ARCH__ >= 7
TEST_RRR( "mls r0, r",1, VAL1,", r",2, VAL2,", r",3, VAL3,"")
TEST_RRR( "mlshi r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
TEST_RR( "mls lr, r",1, VAL2,", r",2, VAL3,", r13")
@@ -456,6 +458,8 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(".word 0xe1700090") /* Unallocated space */
#if __LINUX_ARM_ARCH__ >= 6
TEST_UNSUPPORTED("ldrex r2, [sp]")
+#endif
+#if (__LINUX_ARM_ARCH__ >= 7) || defined(CONFIG_CPU_32v6K)
TEST_UNSUPPORTED("strexd r0, r2, r3, [sp]")
TEST_UNSUPPORTED("ldrexd r2, r3, [sp]")
TEST_UNSUPPORTED("strexb r0, r2, [sp]")
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index 9d0a30032d7..0dc53854a5d 100644
--- a/arch/arm/lib/delay.c
+++ b/arch/arm/lib/delay.c
@@ -45,6 +45,7 @@ int read_current_timer(unsigned long *timer_val)
*timer_val = delay_timer->read_current_timer();
return 0;
}
+EXPORT_SYMBOL_GPL(read_current_timer);
static void __timer_delay(unsigned long cycles)
{
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index b9f60ebe3bc..023f443784e 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -856,8 +856,10 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
if (thumb2_32b) {
offset.un = 0;
handler = do_alignment_t32_to_handler(&instr, regs, &offset);
- } else
+ } else {
+ offset.un = 0;
handler = do_alignment_ldmstm;
+ }
break;
default:
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index 635cb1865e4..cd60a81163e 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -5,6 +5,6 @@
#
include/generated/mach-types.h: $(src)/gen-mach-types $(src)/mach-types
- @echo ' Generating $@'
+ $(kecho) ' Generating $@'
@mkdir -p $(dir $@)
$(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; }
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-13 04:29:59 +0000