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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] xen: arm: introduce arm32 as a subarch of arm.
Eventually we will have arm64 as well.
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
Config.mk | 4 +++-
config/{arm.mk => arm32.mk} | 0
xen/Rules.mk | 2 +-
xen/arch/arm/Makefile | 9 +++------
xen/arch/arm/Rules.mk | 13 ++++++++-----
xen/arch/arm/arm32/Makefile | 5 +++++
xen/arch/arm/{ => arm32}/asm-offsets.c | 0
xen/arch/arm/{ => arm32}/entry.S | 0
xen/arch/arm/{ => arm32}/head.S | 0
xen/arch/arm/{ => arm32}/lib/Makefile | 0
xen/arch/arm/{ => arm32}/lib/assembler.h | 0
xen/arch/arm/{ => arm32}/lib/bitops.h | 0
xen/arch/arm/{ => arm32}/lib/changebit.S | 0
xen/arch/arm/{ => arm32}/lib/clearbit.S | 0
xen/arch/arm/{ => arm32}/lib/copy_template.S | 0
xen/arch/arm/{ => arm32}/lib/div64.S | 0
xen/arch/arm/{ => arm32}/lib/findbit.S | 0
xen/arch/arm/{ => arm32}/lib/lib1funcs.S | 0
xen/arch/arm/{ => arm32}/lib/lshrdi3.S | 0
xen/arch/arm/{ => arm32}/lib/memcpy.S | 0
xen/arch/arm/{ => arm32}/lib/memmove.S | 0
xen/arch/arm/{ => arm32}/lib/memset.S | 0
xen/arch/arm/{ => arm32}/lib/memzero.S | 0
xen/arch/arm/{ => arm32}/lib/setbit.S | 0
xen/arch/arm/{ => arm32}/lib/testchangebit.S | 0
xen/arch/arm/{ => arm32}/lib/testclearbit.S | 0
xen/arch/arm/{ => arm32}/lib/testsetbit.S | 0
xen/arch/arm/{ => arm32}/mode_switch.S | 2 +-
xen/arch/arm/{ => arm32}/proc-ca15.S | 0
xen/arch/arm/domain.c | 2 +-
xen/arch/arm/domain_build.c | 2 +-
xen/arch/arm/gic.c | 2 +-
xen/arch/arm/irq.c | 2 +-
xen/arch/arm/p2m.c | 2 +-
xen/arch/arm/setup.c | 2 +-
xen/arch/arm/smpboot.c | 2 +-
xen/arch/arm/traps.c | 2 +-
xen/arch/arm/vgic.c | 2 +-
xen/arch/arm/vtimer.c | 2 +-
xen/{arch/arm => include/asm-arm}/gic.h | 6 ++----
40 files changed, 33 insertions(+), 28 deletions(-)
rename config/{arm.mk => arm32.mk} (100%)
create mode 100644 xen/arch/arm/arm32/Makefile
rename xen/arch/arm/{ => arm32}/asm-offsets.c (100%)
rename xen/arch/arm/{ => arm32}/entry.S (100%)
rename xen/arch/arm/{ => arm32}/head.S (100%)
rename xen/arch/arm/{ => arm32}/lib/Makefile (100%)
rename xen/arch/arm/{ => arm32}/lib/assembler.h (100%)
rename xen/arch/arm/{ => arm32}/lib/bitops.h (100%)
rename xen/arch/arm/{ => arm32}/lib/changebit.S (100%)
rename xen/arch/arm/{ => arm32}/lib/clearbit.S (100%)
rename xen/arch/arm/{ => arm32}/lib/copy_template.S (100%)
rename xen/arch/arm/{ => arm32}/lib/div64.S (100%)
rename xen/arch/arm/{ => arm32}/lib/findbit.S (100%)
rename xen/arch/arm/{ => arm32}/lib/lib1funcs.S (100%)
rename xen/arch/arm/{ => arm32}/lib/lshrdi3.S (100%)
rename xen/arch/arm/{ => arm32}/lib/memcpy.S (100%)
rename xen/arch/arm/{ => arm32}/lib/memmove.S (100%)
rename xen/arch/arm/{ => arm32}/lib/memset.S (100%)
rename xen/arch/arm/{ => arm32}/lib/memzero.S (100%)
rename xen/arch/arm/{ => arm32}/lib/setbit.S (100%)
rename xen/arch/arm/{ => arm32}/lib/testchangebit.S (100%)
rename xen/arch/arm/{ => arm32}/lib/testclearbit.S (100%)
rename xen/arch/arm/{ => arm32}/lib/testsetbit.S (100%)
rename xen/arch/arm/{ => arm32}/mode_switch.S (99%)
rename xen/arch/arm/{ => arm32}/proc-ca15.S (100%)
rename xen/{arch/arm => include/asm-arm}/gic.h (98%)
diff --git a/Config.mk b/Config.mk
index d99b9a1..8e35886 100644
--- a/Config.mk
+++ b/Config.mk
@@ -14,7 +14,9 @@ debug ?= y
debug_symbols ?= $(debug)
XEN_COMPILE_ARCH ?= $(shell uname -m | sed -e s/i.86/x86_32/ \
- -e s/i86pc/x86_32/ -e s/amd64/x86_64/ -e s/arm.*/arm/)
+ -e s/i86pc/x86_32/ -e s/amd64/x86_64/ \
+ -e s/armv7.*/arm32/)
+
XEN_TARGET_ARCH ?= $(XEN_COMPILE_ARCH)
XEN_OS ?= $(shell uname -s)
diff --git a/config/arm.mk b/config/arm32.mk
similarity index 100%
rename from config/arm.mk
rename to config/arm32.mk
diff --git a/xen/Rules.mk b/xen/Rules.mk
index f7cb8b2..c2db449 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -28,7 +28,7 @@ endif
# Set ARCH/SUBARCH appropriately.
override TARGET_SUBARCH := $(XEN_TARGET_ARCH)
override TARGET_ARCH := $(shell echo $(XEN_TARGET_ARCH) | \
- sed -e 's/x86.*/x86/')
+ sed -e 's/x86.*/x86/' -e s'/arm\(32\|64\)/arm/g')
TARGET := $(BASEDIR)/xen
diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile
index fd92b72..1b33767 100644
--- a/xen/arch/arm/Makefile
+++ b/xen/arch/arm/Makefile
@@ -1,8 +1,7 @@
-subdir-y += lib
+subdir-$(arm32) += arm32
obj-y += dummy.o
obj-y += early_printk.o
-obj-y += entry.o
obj-y += domain.o
obj-y += domctl.o
obj-y += sysctl.o
@@ -12,8 +11,6 @@ obj-y += io.o
obj-y += irq.o
obj-y += kernel.o
obj-y += mm.o
-obj-y += mode_switch.o
-obj-y += proc-ca15.o
obj-y += p2m.o
obj-y += percpu.o
obj-y += guestcopy.o
@@ -36,7 +33,7 @@ obj-y += dtb.o
AFLAGS += -DCONFIG_DTB_FILE=\"$(CONFIG_DTB_FILE)\"
endif
-ALL_OBJS := head.o $(ALL_OBJS)
+ALL_OBJS := $(TARGET_SUBARCH)/head.o $(ALL_OBJS)
$(TARGET): $(TARGET)-syms $(TARGET).bin
# XXX: VE model loads by VMA so instead of
@@ -81,7 +78,7 @@ $(TARGET)-syms: prelink.o xen.lds
$(BASEDIR)/common/symbols-dummy.o
$(@D)/.$(@F).1.o -o $@
rm -f $(@D)/.$(@F).[0-9]*
-asm-offsets.s: asm-offsets.c
+asm-offsets.s: $(TARGET_SUBARCH)/asm-offsets.c
$(CC) $(filter-out -flto,$(CFLAGS)) -S -o $@ $<
xen.lds: xen.lds.S
diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk
index a45c654..f83bfee 100644
--- a/xen/arch/arm/Rules.mk
+++ b/xen/arch/arm/Rules.mk
@@ -12,16 +12,19 @@ CFLAGS += -fno-builtin -fno-common -Wredundant-decls
CFLAGS += -iwithprefix include -Werror -Wno-pointer-arith -pipe
CFLAGS += -I$(BASEDIR)/include
-# Prevent floating-point variables from creeping into Xen.
-CFLAGS += -msoft-float
-
$(call cc-options-add,CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))
$(call cc-option-add,CFLAGS,CC,-Wnested-externs)
arm := y
+ifeq ($(TARGET_SUBARCH),arm32)
+# Prevent floating-point variables from creeping into Xen.
+CFLAGS += -msoft-float
+CFLAGS += -mcpu=cortex-a15 -mfpu=vfpv3 -mfloat-abi=softfp
+arm32 := y
+arm64 := n
+endif
+
ifneq ($(call cc-option,$(CC),-fvisibility=hidden,n),n)
CFLAGS += -DGCC_HAS_VISIBILITY_ATTRIBUTE
endif
-
-CFLAGS += -mcpu=cortex-a15 -mfpu=vfpv3 -mfloat-abi=softfp
diff --git a/xen/arch/arm/arm32/Makefile b/xen/arch/arm/arm32/Makefile
new file mode 100644
index 0000000..20931fa
--- /dev/null
+++ b/xen/arch/arm/arm32/Makefile
@@ -0,0 +1,5 @@
+subdir-y += lib
+
+obj-y += entry.o
+obj-y += mode_switch.o
+obj-y += proc-ca15.o
diff --git a/xen/arch/arm/asm-offsets.c b/xen/arch/arm/arm32/asm-offsets.c
similarity index 100%
rename from xen/arch/arm/asm-offsets.c
rename to xen/arch/arm/arm32/asm-offsets.c
diff --git a/xen/arch/arm/entry.S b/xen/arch/arm/arm32/entry.S
similarity index 100%
rename from xen/arch/arm/entry.S
rename to xen/arch/arm/arm32/entry.S
diff --git a/xen/arch/arm/head.S b/xen/arch/arm/arm32/head.S
similarity index 100%
rename from xen/arch/arm/head.S
rename to xen/arch/arm/arm32/head.S
diff --git a/xen/arch/arm/lib/Makefile b/xen/arch/arm/arm32/lib/Makefile
similarity index 100%
rename from xen/arch/arm/lib/Makefile
rename to xen/arch/arm/arm32/lib/Makefile
diff --git a/xen/arch/arm/lib/assembler.h b/xen/arch/arm/arm32/lib/assembler.h
similarity index 100%
rename from xen/arch/arm/lib/assembler.h
rename to xen/arch/arm/arm32/lib/assembler.h
diff --git a/xen/arch/arm/lib/bitops.h b/xen/arch/arm/arm32/lib/bitops.h
similarity index 100%
rename from xen/arch/arm/lib/bitops.h
rename to xen/arch/arm/arm32/lib/bitops.h
diff --git a/xen/arch/arm/lib/changebit.S b/xen/arch/arm/arm32/lib/changebit.S
similarity index 100%
rename from xen/arch/arm/lib/changebit.S
rename to xen/arch/arm/arm32/lib/changebit.S
diff --git a/xen/arch/arm/lib/clearbit.S b/xen/arch/arm/arm32/lib/clearbit.S
similarity index 100%
rename from xen/arch/arm/lib/clearbit.S
rename to xen/arch/arm/arm32/lib/clearbit.S
diff --git a/xen/arch/arm/lib/copy_template.S
b/xen/arch/arm/arm32/lib/copy_template.S
similarity index 100%
rename from xen/arch/arm/lib/copy_template.S
rename to xen/arch/arm/arm32/lib/copy_template.S
diff --git a/xen/arch/arm/lib/div64.S b/xen/arch/arm/arm32/lib/div64.S
similarity index 100%
rename from xen/arch/arm/lib/div64.S
rename to xen/arch/arm/arm32/lib/div64.S
diff --git a/xen/arch/arm/lib/findbit.S b/xen/arch/arm/arm32/lib/findbit.S
similarity index 100%
rename from xen/arch/arm/lib/findbit.S
rename to xen/arch/arm/arm32/lib/findbit.S
diff --git a/xen/arch/arm/lib/lib1funcs.S b/xen/arch/arm/arm32/lib/lib1funcs.S
similarity index 100%
rename from xen/arch/arm/lib/lib1funcs.S
rename to xen/arch/arm/arm32/lib/lib1funcs.S
diff --git a/xen/arch/arm/lib/lshrdi3.S b/xen/arch/arm/arm32/lib/lshrdi3.S
similarity index 100%
rename from xen/arch/arm/lib/lshrdi3.S
rename to xen/arch/arm/arm32/lib/lshrdi3.S
diff --git a/xen/arch/arm/lib/memcpy.S b/xen/arch/arm/arm32/lib/memcpy.S
similarity index 100%
rename from xen/arch/arm/lib/memcpy.S
rename to xen/arch/arm/arm32/lib/memcpy.S
diff --git a/xen/arch/arm/lib/memmove.S b/xen/arch/arm/arm32/lib/memmove.S
similarity index 100%
rename from xen/arch/arm/lib/memmove.S
rename to xen/arch/arm/arm32/lib/memmove.S
diff --git a/xen/arch/arm/lib/memset.S b/xen/arch/arm/arm32/lib/memset.S
similarity index 100%
rename from xen/arch/arm/lib/memset.S
rename to xen/arch/arm/arm32/lib/memset.S
diff --git a/xen/arch/arm/lib/memzero.S b/xen/arch/arm/arm32/lib/memzero.S
similarity index 100%
rename from xen/arch/arm/lib/memzero.S
rename to xen/arch/arm/arm32/lib/memzero.S
diff --git a/xen/arch/arm/lib/setbit.S b/xen/arch/arm/arm32/lib/setbit.S
similarity index 100%
rename from xen/arch/arm/lib/setbit.S
rename to xen/arch/arm/arm32/lib/setbit.S
diff --git a/xen/arch/arm/lib/testchangebit.S
b/xen/arch/arm/arm32/lib/testchangebit.S
similarity index 100%
rename from xen/arch/arm/lib/testchangebit.S
rename to xen/arch/arm/arm32/lib/testchangebit.S
diff --git a/xen/arch/arm/lib/testclearbit.S
b/xen/arch/arm/arm32/lib/testclearbit.S
similarity index 100%
rename from xen/arch/arm/lib/testclearbit.S
rename to xen/arch/arm/arm32/lib/testclearbit.S
diff --git a/xen/arch/arm/lib/testsetbit.S b/xen/arch/arm/arm32/lib/testsetbit.S
similarity index 100%
rename from xen/arch/arm/lib/testsetbit.S
rename to xen/arch/arm/arm32/lib/testsetbit.S
diff --git a/xen/arch/arm/mode_switch.S b/xen/arch/arm/arm32/mode_switch.S
similarity index 99%
rename from xen/arch/arm/mode_switch.S
rename to xen/arch/arm/arm32/mode_switch.S
index 7c3b357..d550c33 100644
--- a/xen/arch/arm/mode_switch.S
+++ b/xen/arch/arm/arm32/mode_switch.S
@@ -21,7 +21,7 @@
#include <asm/page.h>
#include <asm/platform_vexpress.h>
#include <asm/asm_defns.h>
-#include "gic.h"
+#include <asm/gic.h>
/* XXX: Versatile Express specific code */
diff --git a/xen/arch/arm/proc-ca15.S b/xen/arch/arm/arm32/proc-ca15.S
similarity index 100%
rename from xen/arch/arm/proc-ca15.S
rename to xen/arch/arm/arm32/proc-ca15.S
diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index c5292c7..0875045 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -12,7 +12,7 @@
#include <asm/p2m.h>
#include <asm/irq.h>
-#include "gic.h"
+#include <asm/gic.h>
#include "vtimer.h"
#include "vpl011.h"
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index a9e7f43..aac92b3 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -11,7 +11,7 @@
#include <xen/libfdt/libfdt.h>
#include <xen/guest_access.h>
-#include "gic.h"
+#include <asm/gic.h>
#include "kernel.h"
static unsigned int __initdata opt_dom0_max_vcpus;
diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 0c6fab9..41824c9 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -29,7 +29,7 @@
#include <asm/p2m.h>
#include <asm/domain.h>
-#include "gic.h"
+#include <asm/gic.h>
/* Access to the GIC Distributor registers through the fixmap */
#define GICD ((volatile uint32_t *) FIXMAP_ADDR(FIXMAP_GICD))
diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c
index 72e83e6..c141d81 100644
--- a/xen/arch/arm/irq.c
+++ b/xen/arch/arm/irq.c
@@ -25,7 +25,7 @@
#include <xen/errno.h>
#include <xen/sched.h>
-#include "gic.h"
+#include <asm/gic.h>
static void enable_none(struct irq_desc *irq) { }
static unsigned int startup_none(struct irq_desc *irq) { return 0; }
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 7ae4515..852f0d8 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -4,7 +4,7 @@
#include <xen/errno.h>
#include <xen/domain_page.h>
#include <asm/flushtlb.h>
-#include "gic.h"
+#include <asm/gic.h>
void dump_p2m_lookup(struct domain *d, paddr_t addr)
{
diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 2076724..8f85ae6 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -39,7 +39,7 @@
#include <asm/setup.h>
#include <asm/vfp.h>
#include <asm/early_printk.h>
-#include "gic.h"
+#include <asm/gic.h>
static __used void init_done(void)
{
diff --git a/xen/arch/arm/smpboot.c b/xen/arch/arm/smpboot.c
index 6555ac6..7b6ffa0 100644
--- a/xen/arch/arm/smpboot.c
+++ b/xen/arch/arm/smpboot.c
@@ -29,7 +29,7 @@
#include <xen/timer.h>
#include <xen/irq.h>
#include <asm/vfp.h>
-#include "gic.h"
+#include <asm/gic.h>
cpumask_t cpu_online_map;
EXPORT_SYMBOL(cpu_online_map);
diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 19e2081..d01ff6d 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -35,7 +35,7 @@
#include "io.h"
#include "vtimer.h"
-#include "gic.h"
+#include <asm/gic.h>
/* The base of the stack must always be double-word aligned, which means
* that both the kernel half of struct cpu_user_regs (which is pushed in
diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c
index 3f7e757..7d1a5ad 100644
--- a/xen/arch/arm/vgic.c
+++ b/xen/arch/arm/vgic.c
@@ -27,7 +27,7 @@
#include <asm/current.h>
#include "io.h"
-#include "gic.h"
+#include <asm/gic.h>
#define VGIC_DISTR_BASE_ADDRESS 0x000000002c001000
diff --git a/xen/arch/arm/vtimer.c b/xen/arch/arm/vtimer.c
index 490b021..1c45f4a 100644
--- a/xen/arch/arm/vtimer.c
+++ b/xen/arch/arm/vtimer.c
@@ -21,7 +21,7 @@
#include <xen/lib.h>
#include <xen/timer.h>
#include <xen/sched.h>
-#include "gic.h"
+#include <asm/gic.h>
extern s_time_t ticks_to_ns(uint64_t ticks);
extern uint64_t ns_to_ticks(s_time_t ns);
diff --git a/xen/arch/arm/gic.h b/xen/include/asm-arm/gic.h
similarity index 98%
rename from xen/arch/arm/gic.h
rename to xen/include/asm-arm/gic.h
index 1bf1b02..bf30fbd 100644
--- a/xen/arch/arm/gic.h
+++ b/xen/include/asm-arm/gic.h
@@ -1,6 +1,4 @@
/*
- * xen/arch/arm/gic.h
- *
* ARM Generic Interrupt Controller support
*
* Tim Deegan <tim@xxxxxxx>
@@ -17,8 +15,8 @@
* GNU General Public License for more details.
*/
-#ifndef __ARCH_ARM_GIC_H__
-#define __ARCH_ARM_GIC_H__
+#ifndef __ASM_ARM_GIC_H__
+#define __ASM_ARM_GIC_H__
#define GICD_CTLR (0x000/4)
#define GICD_TYPER (0x004/4)
--
1.7.2.5
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