From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Juergen Gross <jgross@suse.com>,
Samuel Thibault <samuel.thibault@ens-lyon.org>,
Wei Liu <wei.liu2@citrix.com>, Wei Liu <wei.liu1@citrix.com>
Subject: [MINIOS PATCH 3/5] x86_64: merge RESTORE_REST into RESTORE_ALL
Date: Thu, 25 Aug 2016 17:38:26 +0100 [thread overview]
Message-ID: <1472143108-26331-4-git-send-email-wei.liu2@citrix.com> (raw)
In-Reply-To: <1472143108-26331-1-git-send-email-wei.liu2@citrix.com>
Signed-off-by: Wei Liu <wei.liu1@citrix.com>
---
arch/x86/x86_64.S | 29 +++++++++++------------------
1 file changed, 11 insertions(+), 18 deletions(-)
diff --git a/arch/x86/x86_64.S b/arch/x86/x86_64.S
index c57ee10..8432d69 100644
--- a/arch/x86/x86_64.S
+++ b/arch/x86/x86_64.S
@@ -101,27 +101,23 @@ KERNEL_CS_MASK = 0xfc
.endm
.macro RESTORE_ALL
- movq (%rsp),%r11
- movq 1*8(%rsp),%r10
- movq 2*8(%rsp),%r9
- movq 3*8(%rsp),%r8
- movq 4*8(%rsp),%rax
- movq 5*8(%rsp),%rcx
- movq 6*8(%rsp),%rdx
- movq 7*8(%rsp),%rsi
- movq 8*8(%rsp),%rdi
- addq $9*8+8,%rsp
-.endm
-
-.macro RESTORE_REST
movq (%rsp),%r15
movq 1*8(%rsp),%r14
movq 2*8(%rsp),%r13
movq 3*8(%rsp),%r12
movq 4*8(%rsp),%rbp
movq 5*8(%rsp),%rbx
- addq $6*8,%rsp
-.endm
+ movq 6*8(%rsp),%r11
+ movq 7*8(%rsp),%r10
+ movq 8*8(%rsp),%r9
+ movq 9*8(%rsp),%r8
+ movq 10*8(%rsp),%rax
+ movq 11*8(%rsp),%rcx
+ movq 12*8(%rsp),%rdx
+ movq 13*8(%rsp),%rsi
+ movq 14*8(%rsp),%rdi
+ addq $15*8+8,%rsp
+.endm
.macro SAVE_REST
subq $6*8,%rsp
@@ -219,12 +215,10 @@ error_exit:
jnz restore_all_enable_events # != 0 => enable event delivery
XEN_PUT_VCPU_INFO(%rsi)
- RESTORE_REST
RESTORE_ALL
HYPERVISOR_IRET 0
restore_all_enable_events:
- RESTORE_REST
RESTORE_ALL
pushq %rax # save rax for it will be clobbered later
RSP_OFFSET=8 # record the stack frame layout changes
@@ -289,7 +283,6 @@ critical_region_fixup:
#else
error_exit:
- RESTORE_REST
RESTORE_ALL
HYPERVISOR_IRET 0
--
2.1.4
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next prev parent reply other threads:[~2016-08-25 16:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-25 16:38 [MINIOS PATCH 0/5] x86 assmebly code clean up Wei Liu
2016-08-25 16:38 ` [MINIOS PATCH 1/5] x86_32: remove inclusion of x86-32.h Wei Liu
2016-08-25 17:02 ` Juergen Gross
2016-08-25 16:38 ` [MINIOS PATCH 2/5] x86_64: remove unused labels Wei Liu
2016-08-25 17:04 ` Juergen Gross
2016-08-25 16:38 ` Wei Liu [this message]
2016-08-25 16:45 ` [MINIOS PATCH 3/5] x86_64: merge RESTORE_REST into RESTORE_ALL Wei Liu
2016-08-25 17:07 ` Juergen Gross
2016-08-25 16:38 ` [MINIOS PATCH 4/5] x86_64: introduce and use SAVE_ALL Wei Liu
2016-08-25 17:09 ` Juergen Gross
2016-08-25 16:38 ` [MINIOS PATCH 5/5] x86_64: don't unnecessarily export some entries Wei Liu
2016-08-25 17:11 ` Juergen Gross
2016-08-25 17:12 ` [MINIOS PATCH 0/5] x86 assmebly code clean up Juergen Gross
2016-08-25 17:42 ` Wei Liu
2016-08-25 17:25 ` Samuel Thibault
2016-08-25 17:48 ` Wei Liu
2016-08-26 8:13 ` Wei Liu
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