# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1254409983 -3600
# Node ID 1764b0cba2e9dcf1684d5c82975302277ba62064
# Parent d88559e9813eb35446d76907570c3aa9499fb1ee
x86 hvm: Guests should scan CPUID range 40000000-4000ff00 for Xen leaves.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
xen-unstable changeset: 20213:7655448090c8
xen-unstable date: Wed Sep 16 08:55:23 2009 +0100
---
tools/firmware/hvmloader/hvmloader.c | 2 +-
tools/misc/xen-detect.c | 2 +-
unmodified_drivers/linux-2.6/platform-pci/platform-pci.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff -r d88559e9813e -r 1764b0cba2e9 tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c Thu Oct 01 16:12:24 2009 +0100
+++ b/tools/firmware/hvmloader/hvmloader.c Thu Oct 01 16:13:03 2009 +0100
@@ -113,7 +113,7 @@ static void init_hypercalls(void)
xen_extraversion_t extraversion;
uint32_t base;
- for ( base = 0x40000000; base < 0x40001000; base += 0x100 )
+ for ( base = 0x40000000; base < 0x40010000; base += 0x100 )
{
cpuid(base, &eax, &ebx, &ecx, &edx);
diff -r d88559e9813e -r 1764b0cba2e9 tools/misc/xen-detect.c
--- a/tools/misc/xen-detect.c Thu Oct 01 16:12:24 2009 +0100
+++ b/tools/misc/xen-detect.c Thu Oct 01 16:13:03 2009 +0100
@@ -52,7 +52,7 @@ static int check_for_xen(void)
char signature[13];
uint32_t base;
- for ( base = 0x40000000; base < 0x40001000; base += 0x100 )
+ for ( base = 0x40000000; base < 0x40010000; base += 0x100 )
{
cpuid(base, &eax, &ebx, &ecx, &edx);
diff -r d88559e9813e -r 1764b0cba2e9
unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
--- a/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c Thu Oct 01
16:12:24 2009 +0100
+++ b/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c Thu Oct 01
16:13:03 2009 +0100
@@ -116,7 +116,7 @@ static uint32_t xen_cpuid_base(void)
uint32_t base, eax, ebx, ecx, edx;
char signature[13];
- for (base = 0x40000000; base < 0x40001000; base += 0x100) {
+ for (base = 0x40000000; base < 0x40010000; base += 0x100) {
cpuid(base, &eax, &ebx, &ecx, &edx);
*(uint32_t*)(signature + 0) = ebx;
*(uint32_t*)(signature + 4) = ecx;
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