Xen-Arm_0003_Fix_build_via_math.S.patch

diff --git a/Config.mk b/Config.mk
index f44bbcf..6fb1ab5 100755
--- a/Config.mk
+++ b/Config.mk
@@ -37,7 +37,7 @@ HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
 #
 # Cross Tool chain configuration
 #
-TOOLCHAIN_PREFIX = /opt/arm-none-linux-gnueabi/bin/arm-none-linux-gnueabi-
+#TOOLCHAIN_PREFIX = /opt/arm-none-linux-gnueabi/bin/arm-none-linux-gnueabi-

 #
 # Toolchain configuration
diff --git a/tools/minios/Config.mk b/tools/minios/Config.mk
index b63f4fe..3496483 100755
--- a/tools/minios/Config.mk
+++ b/tools/minios/Config.mk
@@ -15,7 +15,7 @@ HOSTCFLAGS        = -Wall -Werror -Wstrict-prototypes -g -fomit-frame-pointer
 # Cross Tool chain configuration
 #
 #CROSS_COMPILE     = arm_v4t_le-
-CROSS_COMPILE      = /opt/arm-linux-4.1.1/bin/arm-linux-
+#CROSS_COMPILE     = /home/exl/x-tools/arm-qemu-eabi/bin/arm-qemu-eabi-

 #
 # Target Configuration for Xeno-mini
diff --git a/tools/minios/Makefile b/tools/minios/Makefile
index 39b878e..7672d50 100755
--- a/tools/minios/Makefile
+++ b/tools/minios/Makefile
@@ -10,6 +10,8 @@ OBJS            := arch/$(XENO_TARGET_ARCH)/$(XENO_TARGET_ARCH).o
 OBJS            += kernel/built_in.o
 OBJS            += lib/built_in.o

+all: default
+
 default: $(XENO_TARGET_IMAGE)

 $(XENO_TARGET_IMAGE): build
diff --git a/tools/minios/arch/arm/common/math.S b/tools/minios/arch/arm/common/math.S
index 8716640..0b48309 100755
--- a/tools/minios/arch/arm/common/math.S
+++ b/tools/minios/arch/arm/common/math.S
@@ -129,7 +129,7 @@
 5:
 .endm

-
+/*
    .global __udivsi3
    .align 0
 __udivsi3:
@@ -235,7 +235,7 @@ __modsi3:
 10:    cmp ip, #0
    rsbmi   r0, r0, #0
    mov pc, lr
-
+*/
 Ldiv0:

    str lr, [sp, #-4]!
diff --git a/tools/minios/kernel/gnttab.c b/tools/minios/kernel/gnttab.c
index 0cea337..ba8f808 100755
--- a/tools/minios/kernel/gnttab.c
+++ b/tools/minios/kernel/gnttab.c
@@ -190,7 +190,7 @@ gnttab_end_foreign_access_ref(grant_ref_t ref, int readonly)
            return 0;
        }
    }
-   while ((nflags = atomic_cmpxchg_u16(&shared[ref].flags, flags, 0)) !=
+   while ((nflags = atomic_cmpxchg_u16((u16 *)&shared[ref].flags, flags, 0)) !=
           flags);

    return 1;
@@ -248,7 +248,7 @@ gnttab_end_foreign_transfer_ref(grant_ref_t ref)
          * reference and return failure (== 0).
          */
    while (!((flags = shared[ref].flags) & GTF_transfer_committed)) {
-       if ( atomic_cmpxchg_u16(&shared[ref].flags, flags, 0) == flags )
+       if ( atomic_cmpxchg_u16((u16 *)&shared[ref].flags, flags, 0) == flags )
            return 0;
        cpu_relax();
    }
diff --git a/tools/minios/lib/lib1funcs.S b/tools/minios/lib/lib1funcs.S
index 6dc0648..0d852f9 100644
--- a/tools/minios/lib/lib1funcs.S
+++ b/tools/minios/lib/lib1funcs.S
@@ -36,6 +36,7 @@ Boston, MA 02111-1307, USA.  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>

+#define CONFIG_AEABI

 .macro ARM_DIV_BODY dividend, divisor, result, curbit

@@ -336,12 +337,24 @@ ENTRY(__aeabi_idivmod)

 ENDPROC(__aeabi_idivmod)

+ENTRY(__aeabi_uldivmod)
+
+   sub sp, sp, #8
+   stmfd   sp!, {sp, lr}
+   bl __qdivrem
+   ldr lr, [sp, #4]
+   add sp, sp, #8
+   ldmfd sp!, {r2, r3}
+   mov pc, lr
+
+ENDPROC(__aeabi_uldivmod)
+
 #endif

 Ldiv0:

    str lr, [sp, #-8]!
-   bl  __div0
+/* bl  __div0 */ @ See fix on arch/arm/common/math.S:242
    mov r0, #0          @ About as wrong as it could be.
    ldr pc, [sp], #8

diff --git a/tools/minios/lib/math.c b/tools/minios/lib/math.c
index 9a7eb18..058073f 100755
--- a/tools/minios/lib/math.c
+++ b/tools/minios/lib/math.c
@@ -57,7 +57,7 @@

 #include <os/types.h>

-#if 0
+#if 1
 /*
  * Depending on the desired operation, we view a `long long' (aka quad_t) in
  * one or more of the following formats.
diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index 0f5b4e5..625b6b7 100644
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -386,7 +386,7 @@ typedef struct vcpu_info {
      * to block: this avoids wakeup-waiting races.
      */
     uint32_t evtchn_upcall_pending;
-    //uint32_t evtchn_upcall_mask;
+    uint32_t evtchn_upcall_mask;
     unsigned long evtchn_pending_sel;
     arch_vcpu_info_t arch;
     vcpu_time_info_t time;