[Xen-ia64-devel] [PATCH 5/5] ia64/pv_ops/bp/xen: implemented binary patchable pv_cpu_ops.
implemented xen binary patch for pv_cpu_ops.
Signed-off-by: Isaku Yamahata yamah...@valinux.co.jp
---
arch/ia64/include/asm/xen/privop.h |4 +
arch/ia64/xen/hypercall.S |2 +
arch/ia64/xen/xen_pv_ops.c | 665
3 files changed, 671 insertions(+), 0 deletions(-)
diff --git a/arch/ia64/include/asm/xen/privop.h
b/arch/ia64/include/asm/xen/privop.h
index 2261dda..e5fbaee 100644
--- a/arch/ia64/include/asm/xen/privop.h
+++ b/arch/ia64/include/asm/xen/privop.h
@@ -82,8 +82,10 @@ extern unsigned long xen_thash(unsigned long addr);
extern unsigned long xen_get_cpuid(int index);
extern unsigned long xen_get_pmd(int index);
+#ifndef ASM_SUPPORTED
extern unsigned long xen_get_eflag(void); /* see xen_ia64_getreg */
extern void xen_set_eflag(unsigned long); /* see xen_ia64_setreg */
+#endif
//
/* Instructions paravirtualized for performance */
@@ -108,6 +110,7 @@ extern void xen_set_eflag(unsigned long); /* see
xen_ia64_setreg */
#define xen_get_virtual_pend() \
(*(((uint8_t *)XEN_MAPPEDREGS-interrupt_mask_addr) - 1))
+#ifndef ASM_SUPPORTED
/* Although all privileged operations can be left to trap and will
* be properly handled by Xen, some are frequent enough that we use
* hyperprivops for performance. */
@@ -125,6 +128,7 @@ extern void xen_set_rr0_to_rr4(unsigned long val0, unsigned
long val1,
unsigned long val4);
extern void xen_set_kr(unsigned long index, unsigned long val);
extern void xen_ptcga(unsigned long addr, unsigned long size);
+#endif /* !ASM_SUPPORTED */
#endif /* !__ASSEMBLY__ */
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
index 45e02bb..e32dae4 100644
--- a/arch/ia64/xen/hypercall.S
+++ b/arch/ia64/xen/hypercall.S
@@ -9,6 +9,7 @@
#include asm/intrinsics.h
#include asm/xen/privop.h
+#ifdef __INTEL_COMPILER
/*
* Hypercalls without parameter.
*/
@@ -72,6 +73,7 @@ GLOBAL_ENTRY(xen_set_rr0_to_rr4)
br.ret.sptk.many rp
;;
END(xen_set_rr0_to_rr4)
+#endif
GLOBAL_ENTRY(xen_send_ipi)
mov r14=r32
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index bdf1acb..6c44225 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -154,6 +154,13 @@ xen_post_smp_prepare_boot_cpu(void)
xen_setup_vcpu_info_placement();
}
+#ifdef ASM_SUPPORTED
+static unsigned long __init_or_module
+xen_patch_bundle(void *sbundle, void *ebundle, unsigned long type);
+#endif
+static void __init
+xen_patch_branch(unsigned long tag, unsigned long type);
+
static const struct pv_init_ops xen_init_ops __initconst = {
.banner = xen_banner,
@@ -164,6 +171,10 @@ static const struct pv_init_ops xen_init_ops __initconst =
{
.arch_setup_nomca = xen_arch_setup_nomca,
.post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
+#ifdef ASM_SUPPORTED
+ .patch_bundle = xen_patch_bundle,
+#endif
+ .patch_branch = xen_patch_branch,
};
/***
@@ -214,6 +225,7 @@ static struct pv_patchdata xen_patchdata __initdata = {
* intrinsics hooks.
*/
+#ifndef ASM_SUPPORTED
static void
xen_set_itm_with_offset(unsigned long val)
{
@@ -381,6 +393,410 @@ xen_intrin_local_irq_restore(unsigned long mask)
else
xen_rsm_i();
}
+#else
+#define __DEFINE_FUNC(name, code) \
+ extern const char xen_ ## name ## _direct_start[]; \
+ extern const char xen_ ## name ## _direct_end[];\
+ asm (.align 32\n \
+.proc xen_ #name \n\
+xen_ #name :\n \
+xen_ #name _direct_start:\n\
+code \
+xen_ #name _direct_end:\n \
+br.cond.sptk.many b6\n \
+.endp xen_ #name \n)
+
+#define DEFINE_VOID_FUNC0(name, code) \
+ extern void \
+ xen_ ## name (void);\
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC1(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC2(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg0, \
+ unsigned long arg1); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_FUNC0(name, code) \
+ extern unsigned long\
+ xen_ ## name (void);\
+
[Xen-ia64-devel] [PATCH 5/5] ia64/pv_ops/bp/xen: implemented binary patchable pv_cpu_ops.
implemented xen binary patch for pv_cpu_ops.
Signed-off-by: Isaku Yamahata yamah...@valinux.co.jp
---
arch/ia64/include/asm/xen/privop.h |4 +
arch/ia64/xen/hypercall.S |2 +
arch/ia64/xen/xen_pv_ops.c | 665
3 files changed, 671 insertions(+), 0 deletions(-)
diff --git a/arch/ia64/include/asm/xen/privop.h
b/arch/ia64/include/asm/xen/privop.h
index 2261dda..e5fbaee 100644
--- a/arch/ia64/include/asm/xen/privop.h
+++ b/arch/ia64/include/asm/xen/privop.h
@@ -82,8 +82,10 @@ extern unsigned long xen_thash(unsigned long addr);
extern unsigned long xen_get_cpuid(int index);
extern unsigned long xen_get_pmd(int index);
+#ifndef ASM_SUPPORTED
extern unsigned long xen_get_eflag(void); /* see xen_ia64_getreg */
extern void xen_set_eflag(unsigned long); /* see xen_ia64_setreg */
+#endif
//
/* Instructions paravirtualized for performance */
@@ -108,6 +110,7 @@ extern void xen_set_eflag(unsigned long); /* see
xen_ia64_setreg */
#define xen_get_virtual_pend() \
(*(((uint8_t *)XEN_MAPPEDREGS-interrupt_mask_addr) - 1))
+#ifndef ASM_SUPPORTED
/* Although all privileged operations can be left to trap and will
* be properly handled by Xen, some are frequent enough that we use
* hyperprivops for performance. */
@@ -125,6 +128,7 @@ extern void xen_set_rr0_to_rr4(unsigned long val0, unsigned
long val1,
unsigned long val4);
extern void xen_set_kr(unsigned long index, unsigned long val);
extern void xen_ptcga(unsigned long addr, unsigned long size);
+#endif /* !ASM_SUPPORTED */
#endif /* !__ASSEMBLY__ */
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
index 45e02bb..e32dae4 100644
--- a/arch/ia64/xen/hypercall.S
+++ b/arch/ia64/xen/hypercall.S
@@ -9,6 +9,7 @@
#include asm/intrinsics.h
#include asm/xen/privop.h
+#ifdef __INTEL_COMPILER
/*
* Hypercalls without parameter.
*/
@@ -72,6 +73,7 @@ GLOBAL_ENTRY(xen_set_rr0_to_rr4)
br.ret.sptk.many rp
;;
END(xen_set_rr0_to_rr4)
+#endif
GLOBAL_ENTRY(xen_send_ipi)
mov r14=r32
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index eda13a8..7833226 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -154,6 +154,13 @@ xen_post_smp_prepare_boot_cpu(void)
xen_setup_vcpu_info_placement();
}
+#ifdef ASM_SUPPORTED
+static unsigned long __init_or_module
+xen_patch_bundle(void *sbundle, void *ebundle, unsigned long type);
+#endif
+static void __init
+xen_patch_branch(unsigned long tag, unsigned long type);
+
static struct pv_init_ops xen_init_ops __initdata = {
.banner = xen_banner,
@@ -164,6 +171,10 @@ static struct pv_init_ops xen_init_ops __initdata = {
.arch_setup_nomca = xen_arch_setup_nomca,
.post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
+#ifdef ASM_SUPPORTED
+ .patch_bundle = xen_patch_bundle,
+#endif
+ .patch_branch = xen_patch_branch,
};
/***
@@ -214,6 +225,7 @@ static struct pv_patchdata xen_patchdata __initdata = {
* intrinsics hooks.
*/
+#ifndef ASM_SUPPORTED
static void
xen_set_itm_with_offset(unsigned long val)
{
@@ -381,6 +393,410 @@ xen_intrin_local_irq_restore(unsigned long mask)
else
xen_rsm_i();
}
+#else
+#define __DEFINE_FUNC(name, code) \
+ extern const char xen_ ## name ## _direct_start[]; \
+ extern const char xen_ ## name ## _direct_end[];\
+ asm (.align 32\n \
+.proc xen_ #name \n\
+xen_ #name :\n \
+xen_ #name _direct_start:\n\
+code \
+xen_ #name _direct_end:\n \
+br.cond.sptk.many b6\n \
+.endp xen_ #name \n)
+
+#define DEFINE_VOID_FUNC0(name, code) \
+ extern void \
+ xen_ ## name (void);\
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC1(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC2(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg0, \
+ unsigned long arg1); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_FUNC0(name, code) \
+ extern unsigned long\
+ xen_ ## name (void);\
+
[Xen-ia64-devel] [PATCH 5/5] ia64/pv_ops/bp/xen: implemented binary patchable pv_cpu_ops.
implemented xen binary patch for pv_cpu_ops.
Signed-off-by: Isaku Yamahata yamah...@valinux.co.jp
---
arch/ia64/include/asm/xen/privop.h |4 +
arch/ia64/xen/hypercall.S |2 +
arch/ia64/xen/xen_pv_ops.c | 665
3 files changed, 671 insertions(+), 0 deletions(-)
diff --git a/arch/ia64/include/asm/xen/privop.h
b/arch/ia64/include/asm/xen/privop.h
index 2261dda..e5fbaee 100644
--- a/arch/ia64/include/asm/xen/privop.h
+++ b/arch/ia64/include/asm/xen/privop.h
@@ -82,8 +82,10 @@ extern unsigned long xen_thash(unsigned long addr);
extern unsigned long xen_get_cpuid(int index);
extern unsigned long xen_get_pmd(int index);
+#ifndef ASM_SUPPORTED
extern unsigned long xen_get_eflag(void); /* see xen_ia64_getreg */
extern void xen_set_eflag(unsigned long); /* see xen_ia64_setreg */
+#endif
//
/* Instructions paravirtualized for performance */
@@ -108,6 +110,7 @@ extern void xen_set_eflag(unsigned long); /* see
xen_ia64_setreg */
#define xen_get_virtual_pend() \
(*(((uint8_t *)XEN_MAPPEDREGS-interrupt_mask_addr) - 1))
+#ifndef ASM_SUPPORTED
/* Although all privileged operations can be left to trap and will
* be properly handled by Xen, some are frequent enough that we use
* hyperprivops for performance. */
@@ -125,6 +128,7 @@ extern void xen_set_rr0_to_rr4(unsigned long val0, unsigned
long val1,
unsigned long val4);
extern void xen_set_kr(unsigned long index, unsigned long val);
extern void xen_ptcga(unsigned long addr, unsigned long size);
+#endif /* !ASM_SUPPORTED */
#endif /* !__ASSEMBLY__ */
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
index 45e02bb..e32dae4 100644
--- a/arch/ia64/xen/hypercall.S
+++ b/arch/ia64/xen/hypercall.S
@@ -9,6 +9,7 @@
#include asm/intrinsics.h
#include asm/xen/privop.h
+#ifdef __INTEL_COMPILER
/*
* Hypercalls without parameter.
*/
@@ -72,6 +73,7 @@ GLOBAL_ENTRY(xen_set_rr0_to_rr4)
br.ret.sptk.many rp
;;
END(xen_set_rr0_to_rr4)
+#endif
GLOBAL_ENTRY(xen_send_ipi)
mov r14=r32
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index eda13a8..7833226 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -154,6 +154,13 @@ xen_post_smp_prepare_boot_cpu(void)
xen_setup_vcpu_info_placement();
}
+#ifdef ASM_SUPPORTED
+static unsigned long __init_or_module
+xen_patch_bundle(void *sbundle, void *ebundle, unsigned long type);
+#endif
+static void __init
+xen_patch_branch(unsigned long tag, unsigned long type);
+
static struct pv_init_ops xen_init_ops __initdata = {
.banner = xen_banner,
@@ -164,6 +171,10 @@ static struct pv_init_ops xen_init_ops __initdata = {
.arch_setup_nomca = xen_arch_setup_nomca,
.post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
+#ifdef ASM_SUPPORTED
+ .patch_bundle = xen_patch_bundle,
+#endif
+ .patch_branch = xen_patch_branch,
};
/***
@@ -214,6 +225,7 @@ static struct pv_patchdata xen_patchdata __initdata = {
* intrinsics hooks.
*/
+#ifndef ASM_SUPPORTED
static void
xen_set_itm_with_offset(unsigned long val)
{
@@ -381,6 +393,410 @@ xen_intrin_local_irq_restore(unsigned long mask)
else
xen_rsm_i();
}
+#else
+#define __DEFINE_FUNC(name, code) \
+ extern const char xen_ ## name ## _direct_start[]; \
+ extern const char xen_ ## name ## _direct_end[];\
+ asm (.align 32\n \
+.proc xen_ #name \n\
+xen_ #name :\n \
+xen_ #name _direct_start:\n\
+code \
+xen_ #name _direct_end:\n \
+br.cond.sptk.many b6\n \
+.endp xen_ #name \n)
+
+#define DEFINE_VOID_FUNC0(name, code) \
+ extern void \
+ xen_ ## name (void);\
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC1(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC2(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg0, \
+ unsigned long arg1); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_FUNC0(name, code) \
+ extern unsigned long\
+ xen_ ## name (void);\
+
[Xen-ia64-devel] [PATCH 5/5] ia64/pv_ops/bp/xen: implemented binary patchable pv_cpu_ops.
implemented xen binary patch for pv_cpu_ops.
Signed-off-by: Isaku Yamahata [EMAIL PROTECTED]
---
arch/ia64/include/asm/xen/privop.h |4 +
arch/ia64/xen/hypercall.S |2 +
arch/ia64/xen/xen_pv_ops.c | 667
3 files changed, 673 insertions(+), 0 deletions(-)
diff --git a/arch/ia64/include/asm/xen/privop.h
b/arch/ia64/include/asm/xen/privop.h
index 2261dda..e5fbaee 100644
--- a/arch/ia64/include/asm/xen/privop.h
+++ b/arch/ia64/include/asm/xen/privop.h
@@ -82,8 +82,10 @@ extern unsigned long xen_thash(unsigned long addr);
extern unsigned long xen_get_cpuid(int index);
extern unsigned long xen_get_pmd(int index);
+#ifndef ASM_SUPPORTED
extern unsigned long xen_get_eflag(void); /* see xen_ia64_getreg */
extern void xen_set_eflag(unsigned long); /* see xen_ia64_setreg */
+#endif
//
/* Instructions paravirtualized for performance */
@@ -108,6 +110,7 @@ extern void xen_set_eflag(unsigned long); /* see
xen_ia64_setreg */
#define xen_get_virtual_pend() \
(*(((uint8_t *)XEN_MAPPEDREGS-interrupt_mask_addr) - 1))
+#ifndef ASM_SUPPORTED
/* Although all privileged operations can be left to trap and will
* be properly handled by Xen, some are frequent enough that we use
* hyperprivops for performance. */
@@ -125,6 +128,7 @@ extern void xen_set_rr0_to_rr4(unsigned long val0, unsigned
long val1,
unsigned long val4);
extern void xen_set_kr(unsigned long index, unsigned long val);
extern void xen_ptcga(unsigned long addr, unsigned long size);
+#endif /* !ASM_SUPPORTED */
#endif /* !__ASSEMBLY__ */
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
index 45e02bb..e32dae4 100644
--- a/arch/ia64/xen/hypercall.S
+++ b/arch/ia64/xen/hypercall.S
@@ -9,6 +9,7 @@
#include asm/intrinsics.h
#include asm/xen/privop.h
+#ifdef __INTEL_COMPILER
/*
* Hypercalls without parameter.
*/
@@ -72,6 +73,7 @@ GLOBAL_ENTRY(xen_set_rr0_to_rr4)
br.ret.sptk.many rp
;;
END(xen_set_rr0_to_rr4)
+#endif
GLOBAL_ENTRY(xen_send_ipi)
mov r14=r32
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index eda13a8..a2825fa 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -154,6 +154,13 @@ xen_post_smp_prepare_boot_cpu(void)
xen_setup_vcpu_info_placement();
}
+#ifdef ASM_SUPPORTED
+static unsigned long __init_or_module
+xen_patch_bundle(void *sbundle, void *ebundle, unsigned long type);
+#endif
+static void __init
+xen_patch_branch(unsigned long tag, unsigned long type);
+
static struct pv_init_ops xen_init_ops __initdata = {
.banner = xen_banner,
@@ -164,6 +171,10 @@ static struct pv_init_ops xen_init_ops __initdata = {
.arch_setup_nomca = xen_arch_setup_nomca,
.post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
+#ifdef ASM_SUPPORTED
+ .patch_bundle = xen_patch_bundle,
+#endif
+ .patch_branch = xen_patch_branch,
};
/***
@@ -214,6 +225,7 @@ static struct pv_patchdata xen_patchdata __initdata = {
* intrinsics hooks.
*/
+#ifndef ASM_SUPPORTED
static void
xen_set_itm_with_offset(unsigned long val)
{
@@ -381,6 +393,412 @@ xen_intrin_local_irq_restore(unsigned long mask)
else
xen_rsm_i();
}
+#else
+#define __DEFINE_FUNC(name, code) \
+ extern const char xen_ ## name ## _direct_start[]; \
+ extern const char xen_ ## name ## _direct_end[];\
+ asm (.align 32\n \
+.proc xen_ #name \n\
+xen_ #name :\n \
+xen_ #name _direct_start:\n\
+code \
+xen_ #name _direct_end:\n \
+br.cond.sptk.many b6\n \
+.endp xen_ #name \n)
+
+#define DEFINE_VOID_FUNC0(name, code) \
+ extern void \
+ xen_ ## name (void);\
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC1(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_VOID_FUNC2(name, code) \
+ extern void \
+ xen_ ## name (unsigned long arg0, \
+ unsigned long arg1); \
+ __DEFINE_FUNC(name, code)
+
+#define DEFINE_FUNC0(name, code) \
+ extern unsigned long\
+ xen_ ## name (void);\
+ __DEFINE_FUNC(name,
