From: Pu Wen <puwen@hygon.cn>
To: xen-devel@lists.xenproject.org
Cc: "Pu Wen" <puwen@hygon.cn>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Wei Liu" <wei.liu2@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>
Subject: [PATCH 11/15] x86/domctl: Add Hygon Dhyana support
Date: Thu, 20 Dec 2018 21:15:20 +0800 [thread overview]
Message-ID: <619ad06163e1d7b38e3e37851f6aa402a5e703a7.1545284932.git.puwen@hygon.cn> (raw)
In-Reply-To: <cover.1545284932.git.puwen@hygon.cn>
Add Hygon Dhyana support to update cpuid info for creating PV guest.
Signed-off-by: Pu Wen <puwen@hygon.cn>
---
xen/arch/x86/domctl.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index aa8ad19..a64c724 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -175,6 +175,7 @@ static int update_domain_cpuid_info(struct domain *d,
mask |= ((uint64_t)edx << 32) | ecx;
break;
+ case X86_VENDOR_HYGON:
case X86_VENDOR_AMD:
mask &= ((uint64_t)ecx << 32) | edx;
@@ -220,7 +221,8 @@ static int update_domain_cpuid_info(struct domain *d,
uint32_t eax = ctl->eax;
uint32_t ebx = p->feat._7b0;
- if ( boot_cpu_data.x86_vendor == X86_VENDOR_AMD )
+ if ( boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
+ boot_cpu_data.x86_vendor == X86_VENDOR_HYGON )
mask &= ((uint64_t)eax << 32) | ebx;
d->arch.pv.cpuidmasks->_7ab0 = mask;
@@ -281,8 +283,12 @@ static int update_domain_cpuid_info(struct domain *d,
if ( cpu_has_cmp_legacy )
ecx |= cpufeat_mask(X86_FEATURE_CMP_LEGACY);
- /* If not emulating AMD, clear the duplicated features in e1d. */
- if ( p->x86_vendor != X86_VENDOR_AMD )
+ /*
+ * If not emulating AMD and Hygon, clear the duplicated features
+ * in e1d.
+ */
+ if ( p->x86_vendor != X86_VENDOR_AMD &&
+ p->x86_vendor != X86_VENDOR_HYGON )
edx &= ~CPUID_COMMON_1D_FEATURES;
switch ( boot_cpu_data.x86_vendor )
@@ -291,6 +297,7 @@ static int update_domain_cpuid_info(struct domain *d,
mask &= ((uint64_t)edx << 32) | ecx;
break;
+ case X86_VENDOR_HYGON:
case X86_VENDOR_AMD:
mask &= ((uint64_t)ecx << 32) | edx;
--
2.7.4
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next prev parent reply other threads:[~2018-12-20 13:15 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-20 13:12 [PATCH 00/15] Add support for Hygon Dhyana Family 18h processor Pu Wen
2018-12-20 13:12 ` [PATCH 01/15] x86/cpu: Create Hygon Dhyana architecture support file Pu Wen
2018-12-21 10:19 ` Andrew Cooper
2018-12-26 11:42 ` Pu Wen
2018-12-27 17:03 ` Roger Pau Monné
2018-12-27 21:09 ` Andrew Cooper
2018-12-28 15:46 ` Pu Wen
2018-12-28 16:21 ` Andrew Cooper
2018-12-20 13:12 ` [PATCH 02/15] x86/cpu/mtrr: Add Hygon Dhyana support to get TOP_MEM2 Pu Wen
2018-12-20 13:12 ` [PATCH 03/15] x86/cpu/vpmu: Add Hygon Dhyana support for vPMU Pu Wen
2018-12-20 14:24 ` Boris Ostrovsky
2018-12-21 10:02 ` Pu Wen
2018-12-21 13:33 ` Boris Ostrovsky
2018-12-21 16:17 ` Pu Wen
2019-01-14 16:03 ` Jan Beulich
2019-01-15 12:49 ` Pu Wen
2019-01-15 13:01 ` Jan Beulich
2019-01-15 16:22 ` Pu Wen
2018-12-20 13:12 ` [PATCH 04/15] x86/cpu/mce: Add Hygon Dhyana support to the MCA infrastructure Pu Wen
2019-01-14 16:23 ` Jan Beulich
2019-01-15 12:52 ` Pu Wen
2019-01-15 13:08 ` Jan Beulich
2018-12-20 13:13 ` [PATCH 05/15] x86/spec_ctrl: Add Hygon Dhyana to the respective mitigation machinery Pu Wen
2018-12-20 13:14 ` [PATCH 06/15] x86/apic: Add Hygon Dhyana support Pu Wen
2018-12-20 13:14 ` [PATCH 07/15] x86/acpi: " Pu Wen
2019-01-14 16:28 ` Jan Beulich
2019-01-15 12:52 ` Pu Wen
2019-01-15 13:09 ` Jan Beulich
2018-12-20 13:14 ` [PATCH 08/15] x86/iommu: " Pu Wen
2018-12-20 13:14 ` [PATCH 09/15] x86/pv: Add Hygon Dhyana support to emulate MSRs access Pu Wen
2019-01-25 17:00 ` Jan Beulich
2019-01-30 9:52 ` Pu Wen
2019-01-30 10:08 ` Jan Beulich
2018-12-20 13:15 ` [PATCH 10/15] x86/domain: Add Hygon Dhyana support Pu Wen
2018-12-20 13:15 ` Pu Wen [this message]
2018-12-20 13:15 ` [PATCH 12/15] x86/traps: " Pu Wen
2019-01-29 11:10 ` Jan Beulich
2019-01-30 9:57 ` Pu Wen
2018-12-20 13:15 ` [PATCH 13/15] x86/xstate: " Pu Wen
2018-12-27 22:40 ` Andrew Cooper
2018-12-29 9:39 ` Pu Wen
2019-01-29 11:15 ` Jan Beulich
2019-01-30 10:47 ` Pu Wen
2018-12-20 13:15 ` [PATCH 14/15] x86/cpuid: " Pu Wen
2018-12-20 13:15 ` [PATCH 15/15] tools/libxc: " Pu Wen
2019-01-02 11:33 ` Wei Liu
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