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From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
Subject: [PATCH v4 08/27] x86: move some misc PV hypercalls to misc-hypercalls.c
Date: Thu, 8 Jun 2017 18:11:44 +0100	[thread overview]
Message-ID: <20170608171203.20416-9-wei.liu2@citrix.com> (raw)
In-Reply-To: <20170608171203.20416-1-wei.liu2@citrix.com>

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
 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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  parent reply	other threads:[~2017-06-08 17:12 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-08 17:11 [PATCH v4 00/27] x86: refactor trap handling code Wei Liu
2017-06-08 17:11 ` [PATCH v4 01/27] x86: factor out common PV emulation code Wei Liu
2017-06-20 16:00   ` Jan Beulich
2017-06-08 17:11 ` [PATCH v4 02/27] x86: move PV privileged instruction " Wei Liu
2017-06-20 16:03   ` Jan Beulich
2017-06-08 17:11 ` [PATCH v4 03/27] x86: move PV gate op " Wei Liu
2017-06-20 16:05   ` Jan Beulich
2017-06-08 17:11 ` [PATCH v4 04/27] x86: move PV invalid " Wei Liu
2017-06-20 16:21   ` Jan Beulich
2017-06-20 16:25     ` Wei Liu
2017-06-21  6:15       ` Jan Beulich
2017-06-21  8:57         ` Wei Liu
2017-06-21  9:09           ` Jan Beulich
2017-06-21  9:14             ` Wei Liu
2017-06-21  9:26               ` Jan Beulich
2017-06-21  9:29                 ` Wei Liu
2017-06-08 17:11 ` [PATCH v4 05/27] x86/traps: remove now unused inclusion of emulate.h Wei Liu
2017-06-20 16:21   ` Jan Beulich
2017-06-08 17:11 ` [PATCH v4 06/27] x86: clean up PV emulation code Wei Liu
2017-06-23 10:56   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 07/27] x86: move do_set_trap_table to pv/traps.c Wei Liu
2017-06-23 11:00   ` Andrew Cooper
2017-06-23 13:59     ` Wei Liu
2017-06-23 13:59       ` Andrew Cooper
2017-06-08 17:11 ` Wei Liu [this message]
2017-06-23 11:02   ` [PATCH v4 08/27] x86: move some misc PV hypercalls to misc-hypercalls.c Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 09/27] x86/traps: move pv_inject_event to pv/traps.c Wei Liu
2017-06-23 11:04   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 10/27] x86/traps: move set_guest_{machine, nmi}_trapbounce Wei Liu
2017-06-23 11:05   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 11/27] x86:/traps: move {un, }register_guest_nmi_callback Wei Liu
2017-06-23 11:38   ` Andrew Cooper
2017-06-23 12:19     ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 12/27] x86/traps: move guest_has_trap_callback to pv/traps.c Wei Liu
2017-06-23 12:01   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 13/27] x86: move toggle_guest_mode to pv/domain.c Wei Liu
2017-06-23 12:10   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 14/27] x86: move do_iret to pv/iret.c Wei Liu
2017-06-23 12:12   ` Andrew Cooper
2017-06-23 14:17     ` Wei Liu
2017-06-23 14:17       ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 15/27] x86: move callback_op code to pv/callback.c Wei Liu
2017-06-08 17:11 ` [PATCH v4 16/27] x86/traps: factor out pv_trap_init Wei Liu
2017-06-23 12:31   ` Andrew Cooper
2017-06-23 13:55     ` Wei Liu
2017-06-08 17:11 ` [PATCH v4 17/27] x86/traps: move some PV specific functions and struct to pv/traps.c Wei Liu
2017-06-23 12:36   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 18/27] x86/traps: move init_int80_direct_trap " Wei Liu
2017-06-23 12:37   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 19/27] x86: move hypercall_page_initialise_ring3_kernel to pv/hypercall.c Wei Liu
2017-06-23 12:41   ` Andrew Cooper
2017-06-23 14:49     ` Wei Liu
2017-06-23 14:53       ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 20/27] x86: move hypercall_page_initialise_ring1_kernel Wei Liu
2017-06-23 12:41   ` Andrew Cooper
2017-06-23 13:56     ` Wei Liu
2017-06-23 13:56       ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 21/27] x86: move compat_set_trap_table along side the non-compat variant Wei Liu
2017-06-23 12:43   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 22/27] x86: move compat_iret along side its " Wei Liu
2017-06-23 12:44   ` Andrew Cooper
2017-06-08 17:11 ` [PATCH v4 23/27] x86: move the compat callback ops next to the " Wei Liu
2017-06-23 13:40   ` Jan Beulich
2017-06-08 17:12 ` [PATCH v4 24/27] x86: move compat_show_guest_statck near its " Wei Liu
2017-06-23 12:47   ` Andrew Cooper
2017-06-08 17:12 ` [PATCH v4 25/27] x86: remove the now empty x86_64/compat/traps.c Wei Liu
2017-06-23 12:47   ` Andrew Cooper
2017-06-08 17:12 ` [PATCH v4 26/27] x86: fix coding a style issue in asm-x86/traps.h Wei Liu
2017-06-23 12:48   ` Andrew Cooper
2017-06-08 17:12 ` [PATCH v4 27/27] x86: clean up traps.c Wei Liu
2017-06-23 12:50   ` Andrew Cooper
2017-06-23 13:45     ` Jan Beulich

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