kvm: Drop CONFIG_KVM_PARA

[mirror_qemu.git] / target-i386 / kvm.c

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 1ae2d61740e1206b00d63e110cce3b5b7719d8ff..eb36e9f145f4994dd44cc0a12aa21ee8b3c8e809 100644 (file)
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -18,6 +18,7 @@
 #include <sys/utsname.h>
 
 #include <linux/kvm.h>
+#include <linux/kvm_para.h>
 
 #include "qemu-common.h"
 #include "sysemu.h"
@@ -29,10 +30,6 @@
 #include "hw/apic.h"
 #include "ioport.h"
 
-#ifdef CONFIG_KVM_PARA
-#include <linux/kvm_para.h>
-#endif
-//
 //#define DEBUG_KVM
 
 #ifdef DEBUG_KVM
@@ -62,9 +59,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
 
 static bool has_msr_star;
 static bool has_msr_hsave_pa;
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
 static bool has_msr_async_pf_en;
-#endif
 static int lm_capable_kernel;
 
 static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max)
@@ -92,7 +87,6 @@ static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max)
     return cpuid;
 }
 
-#ifdef CONFIG_KVM_PARA
 struct kvm_para_features {
     int cap;
     int feature;
@@ -118,7 +112,6 @@ static int get_para_features(CPUState *env)
 
     return features;
 }
-#endif
 
 
 uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
@@ -128,9 +121,7 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
     int i, max;
     uint32_t ret = 0;
     uint32_t cpuid_1_edx;
-#ifdef CONFIG_KVM_PARA
     int has_kvm_features = 0;
-#endif
 
     max = 1;
     while ((cpuid = try_get_cpuid(env->kvm_state, max)) == NULL) {
@@ -140,11 +131,9 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
     for (i = 0; i < cpuid->nent; ++i) {
         if (cpuid->entries[i].function == function &&
             cpuid->entries[i].index == index) {
-#ifdef CONFIG_KVM_PARA
             if (cpuid->entries[i].function == KVM_CPUID_FEATURES) {
                 has_kvm_features = 1;
             }
-#endif
             switch (reg) {
             case R_EAX:
                 ret = cpuid->entries[i].eax;
@@ -177,12 +166,10 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
 
     qemu_free(cpuid);
 
-#ifdef CONFIG_KVM_PARA
     /* fallback for older kernels */
     if (!has_kvm_features && (function == KVM_CPUID_FEATURES)) {
         ret = get_para_features(env);
     }
-#endif
 
     return ret;
 }
@@ -377,9 +364,7 @@ int kvm_arch_init_vcpu(CPUState *env)
     uint32_t limit, i, j, cpuid_i;
     uint32_t unused;
     struct kvm_cpuid_entry2 *c;
-#ifdef CONFIG_KVM_PARA
     uint32_t signature[3];
-#endif
 
     env->cpuid_features &= kvm_arch_get_supported_cpuid(env, 1, 0, R_EDX);
 
@@ -397,7 +382,6 @@ int kvm_arch_init_vcpu(CPUState *env)
 
     cpuid_i = 0;
 
-#ifdef CONFIG_KVM_PARA
     /* Paravirtualization CPUIDs */
     memcpy(signature, "KVMKVMKVM\0\0\0", 12);
     c = &cpuid_data.entries[cpuid_i++];
@@ -416,8 +400,6 @@ int kvm_arch_init_vcpu(CPUState *env)
 
 #ifdef KVM_CAP_ASYNC_PF
     has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF);
-#endif
-
 #endif
 
     cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);
@@ -753,6 +735,9 @@ static int kvm_put_fpu(CPUState *env)
     fpu.fsw = env->fpus & ~(7 << 11);
     fpu.fsw |= (env->fpstt & 7) << 11;
     fpu.fcw = env->fpuc;
+    fpu.last_opcode = env->fpop;
+    fpu.last_ip = env->fpip;
+    fpu.last_dp = env->fpdp;
     for (i = 0; i < 8; ++i) {
         fpu.ftwx |= (!env->fptags[i]) << i;
     }
@@ -778,7 +763,7 @@ static int kvm_put_xsave(CPUState *env)
 #ifdef KVM_CAP_XSAVE
     int i, r;
     struct kvm_xsave* xsave;
-    uint16_t cwd, swd, twd, fop;
+    uint16_t cwd, swd, twd;
 
     if (!kvm_has_xsave()) {
         return kvm_put_fpu(env);
@@ -786,7 +771,7 @@ static int kvm_put_xsave(CPUState *env)
 
     xsave = qemu_memalign(4096, sizeof(struct kvm_xsave));
     memset(xsave, 0, sizeof(struct kvm_xsave));
-    cwd = swd = twd = fop = 0;
+    cwd = swd = twd = 0;
     swd = env->fpus & ~(7 << 11);
     swd |= (env->fpstt & 7) << 11;
     cwd = env->fpuc;
@@ -794,7 +779,9 @@ static int kvm_put_xsave(CPUState *env)
         twd |= (!env->fptags[i]) << i;
     }
     xsave->region[0] = (uint32_t)(swd << 16) + cwd;
-    xsave->region[1] = (uint32_t)(fop << 16) + twd;
+    xsave->region[1] = (uint32_t)(env->fpop << 16) + twd;
+    memcpy(&xsave->region[XSAVE_CWD_RIP], &env->fpip, sizeof(env->fpip));
+    memcpy(&xsave->region[XSAVE_CWD_RDP], &env->fpdp, sizeof(env->fpdp));
     memcpy(&xsave->region[XSAVE_ST_SPACE], env->fpregs,
             sizeof env->fpregs);
     memcpy(&xsave->region[XSAVE_XMM_SPACE], env->xmm_regs,
@@ -931,12 +918,10 @@ static int kvm_put_msrs(CPUState *env, int level)
         kvm_msr_entry_set(&msrs[n++], MSR_KVM_SYSTEM_TIME,
                           env->system_time_msr);
         kvm_msr_entry_set(&msrs[n++], MSR_KVM_WALL_CLOCK, env->wall_clock_msr);
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
         if (has_msr_async_pf_en) {
             kvm_msr_entry_set(&msrs[n++], MSR_KVM_ASYNC_PF_EN,
                               env->async_pf_en_msr);
         }
-#endif
     }
 #ifdef KVM_CAP_MCE
     if (env->mcg_cap) {
@@ -970,6 +955,9 @@ static int kvm_get_fpu(CPUState *env)
     env->fpstt = (fpu.fsw >> 11) & 7;
     env->fpus = fpu.fsw;
     env->fpuc = fpu.fcw;
+    env->fpop = fpu.last_opcode;
+    env->fpip = fpu.last_ip;
+    env->fpdp = fpu.last_dp;
     for (i = 0; i < 8; ++i) {
         env->fptags[i] = !((fpu.ftwx >> i) & 1);
     }
@@ -985,7 +973,7 @@ static int kvm_get_xsave(CPUState *env)
 #ifdef KVM_CAP_XSAVE
     struct kvm_xsave* xsave;
     int ret, i;
-    uint16_t cwd, swd, twd, fop;
+    uint16_t cwd, swd, twd;
 
     if (!kvm_has_xsave()) {
         return kvm_get_fpu(env);
@@ -1001,13 +989,15 @@ static int kvm_get_xsave(CPUState *env)
     cwd = (uint16_t)xsave->region[0];
     swd = (uint16_t)(xsave->region[0] >> 16);
     twd = (uint16_t)xsave->region[1];
-    fop = (uint16_t)(xsave->region[1] >> 16);
+    env->fpop = (uint16_t)(xsave->region[1] >> 16);
     env->fpstt = (swd >> 11) & 7;
     env->fpus = swd;
     env->fpuc = cwd;
     for (i = 0; i < 8; ++i) {
         env->fptags[i] = !((twd >> i) & 1);
     }
+    memcpy(&env->fpip, &xsave->region[XSAVE_CWD_RIP], sizeof(env->fpip));
+    memcpy(&env->fpdp, &xsave->region[XSAVE_CWD_RDP], sizeof(env->fpdp));
     env->mxcsr = xsave->region[XSAVE_MXCSR];
     memcpy(env->fpregs, &xsave->region[XSAVE_ST_SPACE],
             sizeof env->fpregs);
@@ -1172,11 +1162,9 @@ static int kvm_get_msrs(CPUState *env)
 #endif
     msrs[n++].index = MSR_KVM_SYSTEM_TIME;
     msrs[n++].index = MSR_KVM_WALL_CLOCK;
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
     if (has_msr_async_pf_en) {
         msrs[n++].index = MSR_KVM_ASYNC_PF_EN;
     }
-#endif
 
 #ifdef KVM_CAP_MCE
     if (env->mcg_cap) {
@@ -1253,11 +1241,9 @@ static int kvm_get_msrs(CPUState *env)
             }
 #endif
             break;
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
         case MSR_KVM_ASYNC_PF_EN:
             env->async_pf_en_msr = msrs[i].data;
             break;
-#endif
         }
     }