[Xen-devel] [PATCH v4 08/27] x86: move some misc PV hypercalls to misc-hypercalls.c

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/arch/x86/pv/Makefile          |  1 +
 xen/arch/x86/pv/misc-hypercalls.c | 78 +++++++++++++++++++++++++++++++++++++++
 xen/arch/x86/traps.c              | 44 ----------------------
 3 files changed, 79 insertions(+), 44 deletions(-)
 create mode 100644 xen/arch/x86/pv/misc-hypercalls.c

diff --git a/xen/arch/x86/pv/Makefile b/xen/arch/x86/pv/Makefile
index 42ca64dc9e..939ea60bea 100644
--- a/xen/arch/x86/pv/Makefile
+++ b/xen/arch/x86/pv/Makefile
@@ -8,3 +8,4 @@ obj-y += emul-gate-op.o
 obj-y += emul-inv-op.o
 obj-y += emul-priv-op.o
 obj-bin-y += gpr_switch.o
+obj-y += misc-hypercalls.o
diff --git a/xen/arch/x86/pv/misc-hypercalls.c 
b/xen/arch/x86/pv/misc-hypercalls.c
new file mode 100644
index 0000000000..5862130697
--- /dev/null
+++ b/xen/arch/x86/pv/misc-hypercalls.c
@@ -0,0 +1,78 @@
+/******************************************************************************
+ * arch/x86/pv/misc-hypercalls.c
+ *
+ * Misc hypercall handlers
+ *
+ * Modifications to Linux original are copyright (c) 2002-2004, K A Fraser
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <xen/hypercall.h>
+
+#include <asm/debugreg.h>
+
+long do_set_debugreg(int reg, unsigned long value)
+{
+    return set_debugreg(current, reg, value);
+}
+
+unsigned long do_get_debugreg(int reg)
+{
+    struct vcpu *curr = current;
+
+    switch ( reg )
+    {
+    case 0 ... 3:
+    case 6:
+        return curr->arch.debugreg[reg];
+    case 7:
+        return (curr->arch.debugreg[7] |
+                curr->arch.debugreg[5]);
+    case 4 ... 5:
+        return ((curr->arch.pv_vcpu.ctrlreg[4] & X86_CR4_DE) ?
+                curr->arch.debugreg[reg + 2] : 0);
+    }
+
+    return -EINVAL;
+}
+
+long do_fpu_taskswitch(int set)
+{
+    struct vcpu *v = current;
+
+    if ( set )
+    {
+        v->arch.pv_vcpu.ctrlreg[0] |= X86_CR0_TS;
+        stts();
+    }
+    else
+    {
+        v->arch.pv_vcpu.ctrlreg[0] &= ~X86_CR0_TS;
+        if ( v->fpu_dirtied )
+            clts();
+    }
+
+    return 0;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index 440aad182b..6923c2ef01 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -1488,25 +1488,6 @@ void __init do_early_page_fault(struct cpu_user_regs 
*regs)
     }
 }
 
-long do_fpu_taskswitch(int set)
-{
-    struct vcpu *v = current;
-
-    if ( set )
-    {
-        v->arch.pv_vcpu.ctrlreg[0] |= X86_CR0_TS;
-        stts();
-    }
-    else
-    {
-        v->arch.pv_vcpu.ctrlreg[0] &= ~X86_CR0_TS;
-        if ( v->fpu_dirtied )
-            clts();
-    }
-
-    return 0;
-}
-
 void do_general_protection(struct cpu_user_regs *regs)
 {
     struct vcpu *v = current;
@@ -2249,31 +2230,6 @@ long set_debugreg(struct vcpu *v, unsigned int reg, 
unsigned long value)
     return 0;
 }
 
-long do_set_debugreg(int reg, unsigned long value)
-{
-    return set_debugreg(current, reg, value);
-}
-
-unsigned long do_get_debugreg(int reg)
-{
-    struct vcpu *curr = current;
-
-    switch ( reg )
-    {
-    case 0 ... 3:
-    case 6:
-        return curr->arch.debugreg[reg];
-    case 7:
-        return (curr->arch.debugreg[7] |
-                curr->arch.debugreg[5]);
-    case 4 ... 5:
-        return ((curr->arch.pv_vcpu.ctrlreg[4] & X86_CR4_DE) ?
-                curr->arch.debugreg[reg + 2] : 0);
-    }
-
-    return -EINVAL;
-}
-
 void asm_domain_crash_synchronous(unsigned long addr)
 {
     /*
-- 
2.11.0


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