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Date: Mon, 18 Feb 2008 11:12:50 -0800
From: Harvey Harrison <harvey.harrison@...il.com>
To: Ingo Molnar <mingo@...e.hu>, Avi Kivity <avi@...ranet.com>
Cc: "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/3] x86, kvm: make register_address, address_mask static
inlines
Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
arch/x86/kvm/x86_emulate.c | 50 ++++++++++++++++++++++++++-----------------
1 files changed, 30 insertions(+), 20 deletions(-)
diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 7460432..5b2cc50 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -432,11 +432,21 @@ static inline unsigned long ad_mask(struct decode_cache *c)
}
/* Access/update address held in a register, based on addressing mode. */
-#define address_mask(reg) \
- ((c->ad_bytes == sizeof(unsigned long)) ? \
- (reg) : ((reg) & ad_mask(c)))
-#define register_address(base, reg) \
- ((base) + address_mask(reg))
+static inline unsigned long
+address_mask(struct decode_cache *c, unsigned long reg)
+{
+ if (c->ad_bytes == sizeof(unsigned long))
+ return reg;
+ else
+ return reg & ad_mask(c);
+}
+
+static inline unsigned long
+register_address(struct decode_cache *c, unsigned long base, unsigned long reg)
+{
+ return base + address_mask(c, reg);
+}
+
#define register_address_increment(reg, inc) \
do { \
/* signed type ensures sign extension to long */ \
@@ -990,7 +1000,7 @@ static inline void emulate_push(struct x86_emulate_ctxt *ctxt)
c->dst.bytes = c->op_bytes;
c->dst.val = c->src.val;
register_address_increment(c->regs[VCPU_REGS_RSP], -c->op_bytes);
- c->dst.ptr = (void *) register_address(ctxt->ss_base,
+ c->dst.ptr = (void *) register_address(c, ctxt->ss_base,
c->regs[VCPU_REGS_RSP]);
}
@@ -1000,7 +1010,7 @@ static inline int emulate_grp1a(struct x86_emulate_ctxt *ctxt,
struct decode_cache *c = &ctxt->decode;
int rc;
- rc = ops->read_std(register_address(ctxt->ss_base,
+ rc = ops->read_std(register_address(c, ctxt->ss_base,
c->regs[VCPU_REGS_RSP]),
&c->dst.val, c->dst.bytes, ctxt->vcpu);
if (rc != 0)
@@ -1119,7 +1129,7 @@ static inline int emulate_grp45(struct x86_emulate_ctxt *ctxt,
}
register_address_increment(c->regs[VCPU_REGS_RSP],
-c->dst.bytes);
- rc = ops->write_emulated(register_address(ctxt->ss_base,
+ rc = ops->write_emulated(register_address(c, ctxt->ss_base,
c->regs[VCPU_REGS_RSP]), &c->dst.val,
c->dst.bytes, ctxt->vcpu);
if (rc != 0)
@@ -1369,11 +1379,11 @@ special_insn:
register_address_increment(c->regs[VCPU_REGS_RSP],
-c->op_bytes);
c->dst.ptr = (void *) register_address(
- ctxt->ss_base, c->regs[VCPU_REGS_RSP]);
+ c, ctxt->ss_base, c->regs[VCPU_REGS_RSP]);
break;
case 0x58 ... 0x5f: /* pop reg */
pop_instruction:
- if ((rc = ops->read_std(register_address(ctxt->ss_base,
+ if ((rc = ops->read_std(register_address(c, ctxt->ss_base,
c->regs[VCPU_REGS_RSP]), c->dst.ptr,
c->op_bytes, ctxt->vcpu)) != 0)
goto done;
@@ -1398,9 +1408,9 @@ special_insn:
1,
(c->d & ByteOp) ? 1 : c->op_bytes,
c->rep_prefix ?
- address_mask(c->regs[VCPU_REGS_RCX]) : 1,
+ address_mask(c, c->regs[VCPU_REGS_RCX]) : 1,
(ctxt->eflags & EFLG_DF),
- register_address(ctxt->es_base,
+ register_address(c, ctxt->es_base,
c->regs[VCPU_REGS_RDI]),
c->rep_prefix,
c->regs[VCPU_REGS_RDX]) == 0) {
@@ -1414,9 +1424,9 @@ special_insn:
0,
(c->d & ByteOp) ? 1 : c->op_bytes,
c->rep_prefix ?
- address_mask(c->regs[VCPU_REGS_RCX]) : 1,
+ address_mask(c, c->regs[VCPU_REGS_RCX]) : 1,
(ctxt->eflags & EFLG_DF),
- register_address(c->override_base ?
+ register_address(c, c->override_base ?
*c->override_base :
ctxt->ds_base,
c->regs[VCPU_REGS_RSI]),
@@ -1506,10 +1516,10 @@ special_insn:
case 0xa4 ... 0xa5: /* movs */
c->dst.type = OP_MEM;
c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
- c->dst.ptr = (unsigned long *)register_address(
+ c->dst.ptr = (unsigned long *)register_address(c,
ctxt->es_base,
c->regs[VCPU_REGS_RDI]);
- if ((rc = ops->read_emulated(register_address(
+ if ((rc = ops->read_emulated(register_address(c,
c->override_base ? *c->override_base :
ctxt->ds_base,
c->regs[VCPU_REGS_RSI]),
@@ -1526,7 +1536,7 @@ special_insn:
case 0xa6 ... 0xa7: /* cmps */
c->src.type = OP_NONE; /* Disable writeback. */
c->src.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
- c->src.ptr = (unsigned long *)register_address(
+ c->src.ptr = (unsigned long *)register_address(c,
c->override_base ? *c->override_base :
ctxt->ds_base,
c->regs[VCPU_REGS_RSI]);
@@ -1538,7 +1548,7 @@ special_insn:
c->dst.type = OP_NONE; /* Disable writeback. */
c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
- c->dst.ptr = (unsigned long *)register_address(
+ c->dst.ptr = (unsigned long *)register_address(c,
ctxt->es_base,
c->regs[VCPU_REGS_RDI]);
if ((rc = ops->read_emulated((unsigned long)c->dst.ptr,
@@ -1562,7 +1572,7 @@ special_insn:
case 0xaa ... 0xab: /* stos */
c->dst.type = OP_MEM;
c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
- c->dst.ptr = (unsigned long *)register_address(
+ c->dst.ptr = (unsigned long *)register_address(c,
ctxt->es_base,
c->regs[VCPU_REGS_RDI]);
c->dst.val = c->regs[VCPU_REGS_RAX];
@@ -1574,7 +1584,7 @@ special_insn:
c->dst.type = OP_REG;
c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
c->dst.ptr = (unsigned long *)&c->regs[VCPU_REGS_RAX];
- if ((rc = ops->read_emulated(register_address(
+ if ((rc = ops->read_emulated(register_address(c,
c->override_base ? *c->override_base :
ctxt->ds_base,
c->regs[VCPU_REGS_RSI]),
--
1.5.4.1.1278.gc75be
--
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