[Xen-devel] [PATCH RFC 20/20] acpi: Make ACPI builder available to hypervisor code

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
 xen/common/Makefile          |  2 +-
 xen/common/libacpi/Makefile  | 15 ++++++++++++---
 xen/common/libacpi/acpi2_0.h |  6 ++++++
 xen/common/libacpi/build.c   | 15 +++++++++++++++
 xen/common/libacpi/mk_dsdt.c |  4 ++++
 5 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/xen/common/Makefile b/xen/common/Makefile
index 77de27e..6e0ac8b 100644
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -73,5 +73,5 @@ subdir-$(CONFIG_X86) += hvm
 
 subdir-$(coverage) += gcov
 
-subdir-y += libelf
+subdir-y += libelf libacpi
 subdir-$(CONFIG_HAS_DEVICE_TREE) += libfdt
diff --git a/xen/common/libacpi/Makefile b/xen/common/libacpi/Makefile
index a1f233f..6cf98db 100644
--- a/xen/common/libacpi/Makefile
+++ b/xen/common/libacpi/Makefile
@@ -21,7 +21,16 @@ C_SRC  = build.c dsdt_anycpu.c dsdt_15cpu.c static_tables.c
 C_SRC += dsdt_anycpu_qemu_xen.c dsdt_empty.c
 OBJS  = $(patsubst %.c,%.o,$(C_SRC))
 
-CFLAGS_xeninclude = -I$(XEN_ROOT)/tools/include
+ifneq (,$(findstring -D__XEN__,$(CFLAGS)))
+# Hypervisor
+obj-y  = $(OBJS)
+$(OBJS): all
+CFLAGS  += -I$(XEN_ROOT)/xen/include/public
+CFLAGS_MKDSDT = -I$(XEN_ROOT)/xen/include/public/hvm -D__XEN__
+else
+# Toolstack
+CFLAGS_MKDSDT = -I$(XEN_ROOT)/tools/include
+endif
 
 vpath iasl $(PATH)
 all: $(C_SRC) ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h
@@ -32,7 +41,7 @@ ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h: %.h: %.asl iasl
        rm -f $*.hex $*.aml
 
 mk_dsdt: mk_dsdt.c
-       $(HOSTCC) $(HOSTCFLAGS) $(CFLAGS_xeninclude) -o $@ mk_dsdt.c
+       $(HOSTCC) $(HOSTCFLAGS) $(CFLAGS_MKDSDT) -o $@ mk_dsdt.c
 
 dsdt_anycpu_qemu_xen.asl: dsdt.asl mk_dsdt
        awk 'NR > 1 {print s} {s=$$0}' $< > $@
@@ -57,7 +66,7 @@ iasl:
        @echo 
        @exit 1
 
-clean:
+clean::
        rm -rf *.o $(IASL_VER) $(IASL_VER).tar.gz $(DEPS)
        rm -rf ssdt_*.h dsdt*.c *~ *.aml *.hex mk_dsdt dsdt_*cpu*.asl
 
diff --git a/xen/common/libacpi/acpi2_0.h b/xen/common/libacpi/acpi2_0.h
index 458fb49..d47ad84 100644
--- a/xen/common/libacpi/acpi2_0.h
+++ b/xen/common/libacpi/acpi2_0.h
@@ -17,10 +17,16 @@
 #ifndef _ACPI_2_0_H_
 #define _ACPI_2_0_H_
 
+#ifndef __XEN__
 #include <stdint.h>
 #include <xen/xen.h>
 #include <xen/hvm/ioreq.h>
 #include <xen/memory.h>
+#else
+#include <xen/lib.h>
+#include <memory.h>
+#include <hvm/ioreq.h>
+#endif
 
 #define ASCII32(a,b,c,d)         \
     (((a) <<  0) | ((b) <<  8) | ((c) << 16) | ((d) << 24))
diff --git a/xen/common/libacpi/build.c b/xen/common/libacpi/build.c
index 7f2662a..cbde7f9 100644
--- a/xen/common/libacpi/build.c
+++ b/xen/common/libacpi/build.c
@@ -15,8 +15,13 @@
  * this program; If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifndef __XEN__
 #include <stdio.h>
 #include <string.h>
+#else
+#include <xen/lib.h>
+#define printf printk
+#endif
 
 #include "acpi2_0.h"
 #include "ssdt_s3.h"
@@ -24,14 +29,24 @@
 #include "ssdt_tpm.h"
 #include "ssdt_pm.h"
 #include "x86.h"
+#ifndef __XEN__
 #include <xen/hvm/hvm_info_table.h>
 #include <xen/hvm/hvm_xs_strings.h>
 #include <xen/hvm/params.h>
+#else
+#include <hvm/hvm_info_table.h>
+#include <hvm/hvm_xs_strings.h>
+#include <hvm/params.h>
+#endif
 
 #define ACPI_MAX_SECONDARY_TABLES 16
 
 #define align16(sz)        (((sz) + 15) & ~15)
+#ifndef __XEN__
 #define fixed_strcpy(d, s) strncpy((d), (s), sizeof(d))
+#else
+#define fixed_strcpy(d, s) strlcpy((d), (s), sizeof(d))
+#endif
 #ifndef offsetof
 #define offsetof(t, m) ((unsigned long)&((t *)0)->m)
 #endif
diff --git a/xen/common/libacpi/mk_dsdt.c b/xen/common/libacpi/mk_dsdt.c
index b567b38..e38a2f2 100644
--- a/xen/common/libacpi/mk_dsdt.c
+++ b/xen/common/libacpi/mk_dsdt.c
@@ -5,7 +5,11 @@
 #include <getopt.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#ifndef __XEN__
 #include <xen/hvm/hvm_info_table.h>
+#else
+#include <hvm_info_table.h>
+#endif
 
 static unsigned int indent_level;
 static bool debug = false;
-- 
2.4.3


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