Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Index: qemu-kvm/qemu-kvm-x86.c
===================================================================
--- qemu-kvm.orig/qemu-kvm-x86.c
+++ qemu-kvm/qemu-kvm-x86.c
@@ -709,55 +709,6 @@ static void kvm_reset_mpstate(CPUState *
#endif
}
-static void set_v8086_seg(struct kvm_segment *lhs, const SegmentCache *rhs)
-{
- lhs->selector = rhs->selector;
- lhs->base = rhs->base;
- lhs->limit = rhs->limit;
- lhs->type = 3;
- lhs->present = 1;
- lhs->dpl = 3;
- lhs->db = 0;
- lhs->s = 1;
- lhs->l = 0;
- lhs->g = 0;
- lhs->avl = 0;
- lhs->unusable = 0;
-}
-
-static void set_seg(struct kvm_segment *lhs, const SegmentCache *rhs)
-{
- unsigned flags = rhs->flags;
- lhs->selector = rhs->selector;
- lhs->base = rhs->base;
- lhs->limit = rhs->limit;
- lhs->type = (flags >> DESC_TYPE_SHIFT) & 15;
- lhs->present = (flags & DESC_P_MASK) != 0;
- lhs->dpl = rhs->selector & 3;
- lhs->db = (flags >> DESC_B_SHIFT) & 1;
- lhs->s = (flags & DESC_S_MASK) != 0;
- lhs->l = (flags >> DESC_L_SHIFT) & 1;
- lhs->g = (flags & DESC_G_MASK) != 0;
- lhs->avl = (flags & DESC_AVL_MASK) != 0;
- lhs->unusable = 0;
-}
-
-static void get_seg(SegmentCache *lhs, const struct kvm_segment *rhs)
-{
- lhs->selector = rhs->selector;
- lhs->base = rhs->base;
- lhs->limit = rhs->limit;
- lhs->flags =
- (rhs->type << DESC_TYPE_SHIFT)
- | (rhs->present * DESC_P_MASK)
- | (rhs->dpl << DESC_DPL_SHIFT)
- | (rhs->db << DESC_B_SHIFT)
- | (rhs->s * DESC_S_MASK)
- | (rhs->l << DESC_L_SHIFT)
- | (rhs->g * DESC_G_MASK)
- | (rhs->avl * DESC_AVL_MASK);
-}
-
#define XSAVE_CWD_RIP 2
#define XSAVE_CWD_RDP 4
#define XSAVE_MXCSR 6
@@ -769,7 +720,6 @@ static void get_seg(SegmentCache *lhs, c
void kvm_arch_load_regs(CPUState *env, int level)
{
struct kvm_regs regs;
- struct kvm_sregs sregs;
struct kvm_msr_entry msrs[100];
int rc, n, i;
@@ -802,55 +752,7 @@ void kvm_arch_load_regs(CPUState *env, i
kvm_put_xsave(env);
kvm_put_xcrs(env);
- memset(sregs.interrupt_bitmap, 0, sizeof(sregs.interrupt_bitmap));
- if (env->interrupt_injected >= 0) {
- sregs.interrupt_bitmap[env->interrupt_injected / 64] |=
- (uint64_t)1 << (env->interrupt_injected % 64);
- }
-
- if ((env->eflags & VM_MASK)) {
- set_v8086_seg(&sregs.cs, &env->segs[R_CS]);
- set_v8086_seg(&sregs.ds, &env->segs[R_DS]);
- set_v8086_seg(&sregs.es, &env->segs[R_ES]);
- set_v8086_seg(&sregs.fs, &env->segs[R_FS]);
- set_v8086_seg(&sregs.gs, &env->segs[R_GS]);
- set_v8086_seg(&sregs.ss, &env->segs[R_SS]);
- } else {
- set_seg(&sregs.cs, &env->segs[R_CS]);
- set_seg(&sregs.ds, &env->segs[R_DS]);
- set_seg(&sregs.es, &env->segs[R_ES]);
- set_seg(&sregs.fs, &env->segs[R_FS]);
- set_seg(&sregs.gs, &env->segs[R_GS]);
- set_seg(&sregs.ss, &env->segs[R_SS]);
-
- if (env->cr[0] & CR0_PE_MASK) {
- /* force ss cpl to cs cpl */
- sregs.ss.selector = (sregs.ss.selector & ~3) |
- (sregs.cs.selector & 3);
- sregs.ss.dpl = sregs.ss.selector & 3;
- }
- }
-
- set_seg(&sregs.tr, &env->tr);
- set_seg(&sregs.ldt, &env->ldt);
-
- sregs.idt.limit = env->idt.limit;
- sregs.idt.base = env->idt.base;
- sregs.gdt.limit = env->gdt.limit;
- sregs.gdt.base = env->gdt.base;
-
- sregs.cr0 = env->cr[0];
- sregs.cr2 = env->cr[2];
- sregs.cr3 = env->cr[3];
- sregs.cr4 = env->cr[4];
-
- sregs.cr8 = cpu_get_apic_tpr(env->apic_state);
- sregs.apic_base = cpu_get_apic_base(env->apic_state);
-
- sregs.efer = env->efer;
-
- kvm_set_sregs(env, &sregs);
-
+ kvm_put_sregs(env);
/* msrs */
n = 0;
/* Remember to increase msrs size if you add new registers below */
@@ -923,10 +825,8 @@ void kvm_arch_load_regs(CPUState *env, i
void kvm_arch_save_regs(CPUState *env)
{
struct kvm_regs regs;
- struct kvm_sregs sregs;
struct kvm_msr_entry msrs[100];
- uint32_t hflags;
- uint32_t i, n, rc, bit;
+ uint32_t i, n, rc;
assert(kvm_cpu_is_stopped(env) || env->thread_id == kvm_get_thread_id());
@@ -957,81 +857,7 @@ void kvm_arch_save_regs(CPUState *env)
kvm_get_xsave(env);
kvm_get_xcrs(env);
- kvm_get_sregs(env, &sregs);
-
- /* There can only be one pending IRQ set in the bitmap at a time, so try
- to find it and save its number instead (-1 for none). */
- env->interrupt_injected = -1;
- for (i = 0; i < ARRAY_SIZE(sregs.interrupt_bitmap); i++) {
- if (sregs.interrupt_bitmap[i]) {
- bit = ctz64(sregs.interrupt_bitmap[i]);
- env->interrupt_injected = i * 64 + bit;
- break;
- }
- }
-
- get_seg(&env->segs[R_CS], &sregs.cs);
- get_seg(&env->segs[R_DS], &sregs.ds);
- get_seg(&env->segs[R_ES], &sregs.es);
- get_seg(&env->segs[R_FS], &sregs.fs);
- get_seg(&env->segs[R_GS], &sregs.gs);
- get_seg(&env->segs[R_SS], &sregs.ss);
-
- get_seg(&env->tr, &sregs.tr);
- get_seg(&env->ldt, &sregs.ldt);
-
- env->idt.limit = sregs.idt.limit;
- env->idt.base = sregs.idt.base;
- env->gdt.limit = sregs.gdt.limit;
- env->gdt.base = sregs.gdt.base;
-
- env->cr[0] = sregs.cr0;
- env->cr[2] = sregs.cr2;
- env->cr[3] = sregs.cr3;
- env->cr[4] = sregs.cr4;
-
- cpu_set_apic_base(env->apic_state, sregs.apic_base);
-
- env->efer = sregs.efer;
- //cpu_set_apic_tpr(env, sregs.cr8);
-
-#define HFLAG_COPY_MASK ~( \
- HF_CPL_MASK | HF_PE_MASK | HF_MP_MASK | HF_EM_MASK | \
- HF_TS_MASK | HF_TF_MASK | HF_VM_MASK | HF_IOPL_MASK | \
- HF_OSFXSR_MASK | HF_LMA_MASK | HF_CS32_MASK | \
- HF_SS32_MASK | HF_CS64_MASK | HF_ADDSEG_MASK)
-
- hflags = (env->segs[R_CS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK;
- hflags |= (env->cr[0] & CR0_PE_MASK) << (HF_PE_SHIFT - CR0_PE_SHIFT);
- hflags |= (env->cr[0] << (HF_MP_SHIFT - CR0_MP_SHIFT)) &
- (HF_MP_MASK | HF_EM_MASK | HF_TS_MASK);
- hflags |= (env->eflags & (HF_TF_MASK | HF_VM_MASK | HF_IOPL_MASK));
- hflags |= (env->cr[4] & CR4_OSFXSR_MASK) <<
- (HF_OSFXSR_SHIFT - CR4_OSFXSR_SHIFT);
-
- if (env->efer & MSR_EFER_LMA) {
- hflags |= HF_LMA_MASK;
- }
-
- if ((hflags & HF_LMA_MASK) && (env->segs[R_CS].flags & DESC_L_MASK)) {
- hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
- } else {
- hflags |= (env->segs[R_CS].flags & DESC_B_MASK) >>
- (DESC_B_SHIFT - HF_CS32_SHIFT);
- hflags |= (env->segs[R_SS].flags & DESC_B_MASK) >>
- (DESC_B_SHIFT - HF_SS32_SHIFT);
- if (!(env->cr[0] & CR0_PE_MASK) ||
- (env->eflags & VM_MASK) ||
- !(hflags & HF_CS32_MASK)) {
- hflags |= HF_ADDSEG_MASK;
- } else {
- hflags |= ((env->segs[R_DS].base |
- env->segs[R_ES].base |
- env->segs[R_SS].base) != 0) <<
- HF_ADDSEG_SHIFT;
- }
- }
- env->hflags = (env->hflags & HFLAG_COPY_MASK) | hflags;
+ kvm_get_sregs(env);
/* msrs */
n = 0;
Index: qemu-kvm/target-i386/kvm.c
===================================================================
--- qemu-kvm.orig/target-i386/kvm.c
+++ qemu-kvm/target-i386/kvm.c
@@ -578,6 +578,8 @@ int kvm_arch_init(KVMState *s, int smp_c
return kvm_init_identity_map_page(s);
}
+
+#endif
static void set_v8086_seg(struct kvm_segment *lhs, const SegmentCache *rhs)
{
@@ -628,6 +630,8 @@ static void get_seg(SegmentCache *lhs, c
| (rhs->avl * DESC_AVL_MASK);
}
+#ifdef OBSOLETE_KVM_IMPL
+
static void kvm_getput_reg(__u64 *kvm_reg, target_ulong *qemu_reg, int set)
{
if (set)
@@ -759,8 +763,6 @@ static int kvm_put_xcrs(CPUState *env)
#endif
}
-#ifdef OBSOLETE_KVM_IMPL
-
static int kvm_put_sregs(CPUState *env)
{
struct kvm_sregs sregs;
@@ -815,8 +817,6 @@ static int kvm_put_sregs(CPUState *env)
return kvm_vcpu_ioctl(env, KVM_SET_SREGS, &sregs);
}
-#endif
-
static void kvm_msr_entry_set(struct kvm_msr_entry *entry,
uint32_t index, uint64_t value)
{
@@ -972,8 +972,6 @@ static int kvm_get_xcrs(CPUState *env)
#endif
}
-#ifdef OBSOLETE_KVM_IMPL
-
static int kvm_get_sregs(CPUState *env)
{
struct kvm_sregs sregs;
@@ -1063,6 +1061,8 @@ static int kvm_get_sregs(CPUState *env)
return 0;
}
+#ifdef OBSOLETE_KVM_IMPL
+
static int kvm_get_msrs(CPUState *env)
{
struct {
Index: qemu-kvm/qemu-kvm.c
===================================================================
--- qemu-kvm.orig/qemu-kvm.c
+++ qemu-kvm/qemu-kvm.c
@@ -472,16 +472,6 @@ int kvm_set_regs(CPUState *env, struct k
return kvm_vcpu_ioctl(env, KVM_SET_REGS, regs);
}
-int kvm_get_sregs(CPUState *env, struct kvm_sregs *sregs)
-{
- return kvm_vcpu_ioctl(env, KVM_GET_SREGS, sregs);
-}
-
-int kvm_set_sregs(CPUState *env, struct kvm_sregs *sregs)
-{
- return kvm_vcpu_ioctl(env, KVM_SET_SREGS, sregs);
-}
-
#ifdef KVM_CAP_MP_STATE
int kvm_get_mpstate(CPUState *env, struct kvm_mp_state *mp_state)
{
Index: qemu-kvm/qemu-kvm.h
===================================================================
--- qemu-kvm.orig/qemu-kvm.h
+++ qemu-kvm/qemu-kvm.h
@@ -207,39 +207,6 @@ int kvm_get_regs(CPUState *env, struct k
*/
int kvm_set_regs(CPUState *env, struct kvm_regs *regs);
-/*!
- * \brief Read VCPU system registers
- *
- * This gets the non-GP registers from the VCPU and outputs them
- * into a kvm_sregs structure
- *
- * \note This function returns a \b copy of the VCPUs registers.\n
- * If you wish to modify the VCPUs non-GP registers, you should call
- * kvm_set_sregs()
- *
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param regs Pointer to a kvm_sregs which will be populated with the VCPUs
- * registers values
- * \return 0 on success
- */
-int kvm_get_sregs(CPUState *env, struct kvm_sregs *regs);
-
-/*!
- * \brief Write VCPU system registers
- *
- * This sets the non-GP registers on the VCPU from a kvm_sregs structure
- *
- * \note When this function returns, the regs pointer and the data it points to
- * can be discarded
- * \param kvm Pointer to the current kvm_context
- * \param vcpu Which virtual CPU should get dumped
- * \param regs Pointer to a kvm_sregs which will be populated with the VCPUs
- * registers values
- * \return 0 on success
- */
-int kvm_set_sregs(CPUState *env, struct kvm_sregs *regs);
-
#ifdef KVM_CAP_MP_STATE
/*!
* * \brief Read VCPU MP state
--
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