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vbox4: extended AMD SVM support

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Issue #2454
This commit is contained in:
Alexander Boettcher 2017-03-27 23:07:45 +02:00 committed by Norman Feske
parent 9b93ebfa18
commit a9f263db16
3 changed files with 54 additions and 27 deletions
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2
repos/ports/run/virtualbox_auto.inc
View File

@ -216,7 +216,7 @@ append_if [expr $use_usb] config {
<inline name="usb_drv.config">}
append_if [expr $use_usb && ![have_spec muen]] config {
<config uhci="yes" ehci="yes" xhci="yes">}
<config uhci="yes" ohci="yes" ehci="yes" xhci="yes">}
append_if [expr $use_usb && [have_spec muen]] config {
<config uhci="no" ehci="no" xhci="yes">}

12
repos/ports/src/virtualbox/spec/nova/svm.h
View File

@ -21,9 +21,9 @@
(pCtx->REG.Attr.n.u1Granularity \
? (pCtx->REG.u32Limit & 0xfffU) == 0xfffU \
: pCtx->REG.u32Limit <= 0xfffffU), \
("%u %u %#x %#x %#llx\n", pCtx->REG.Attr.n.u1Present, \
("Invalid Segment Attributes %u %u %#x %#x %#llx line=%u\n", pCtx->REG.Attr.n.u1Present, \
pCtx->REG.Attr.n.u1Granularity, pCtx->REG.u32Limit, \
pCtx->REG.Attr.u, pCtx->REG.u64Base))
pCtx->REG.Attr.u, pCtx->REG.u64Base, __LINE__))
#define GENODE_READ_SELREG(REG) \
pCtx->REG.Sel = utcb->REG.sel; \
@ -44,6 +44,14 @@ static inline bool svm_save_state(Nova::Utcb * utcb, VM * pVM, PVMCPU pVCpu)
GENODE_READ_SELREG(gs);
GENODE_READ_SELREG(ss);
if ( !pCtx->cs.Attr.n.u1Granularity
&& pCtx->cs.Attr.n.u1Present
&& pCtx->cs.u32Limit > UINT32_C(0xfffff))
{
Assert((pCtx->cs.u32Limit & 0xfff) == 0xfff);
pCtx->cs.Attr.n.u1Granularity = 1;
}
GENODE_SVM_ASSERT_SELREG(cs);
GENODE_SVM_ASSERT_SELREG(ds);
GENODE_SVM_ASSERT_SELREG(es);

67
repos/ports/src/virtualbox/spec/nova/vcpu_svm.h
View File

@ -24,31 +24,14 @@ class Vcpu_handler_svm : public Vcpu_handler
__attribute__((noreturn)) void _svm_default() { _default_handler(); }
__attribute__((noreturn)) void _svm_vintr() { _irq_window(); }
__attribute__((noreturn)) void _svm_ioio()
__attribute__((noreturn)) void _svm_invalid()
{
using namespace Nova;
using namespace Genode;
Thread *myself = Thread::myself();
Utcb *utcb = reinterpret_cast<Utcb *>(myself->utcb());
if (utcb->qual[0] & 0x4) {
unsigned ctrl0 = utcb->ctrl[0];
Vmm::warning("invalid gueststate");
utcb->ctrl[0] = ctrl0;
utcb->ctrl[1] = 0;
utcb->mtd = Mtd::CTRL;
Nova::reply(_stack_reply);
}
Vmm::error("invalid guest state - dead ?");
_default_handler();
}
__attribute__((noreturn)) void _svm_vintr() { _irq_window(); }
template <unsigned X>
__attribute__((noreturn)) void _svm_npt()
{
@ -68,8 +51,29 @@ class Vcpu_handler_svm : public Vcpu_handler
/* enable VM exits for CPUID */
next_utcb.mtd = Nova::Mtd::CTRL;
next_utcb.ctrl[0] = SVM_CTRL1_INTERCEPT_CPUID;
next_utcb.ctrl[1] = 0;
next_utcb.ctrl[0] = SVM_CTRL1_INTERCEPT_INTR
| SVM_CTRL1_INTERCEPT_NMI
| SVM_CTRL1_INTERCEPT_INIT
| SVM_CTRL1_INTERCEPT_RDPMC
| SVM_CTRL1_INTERCEPT_CPUID
| SVM_CTRL1_INTERCEPT_RSM
| SVM_CTRL1_INTERCEPT_HLT
| SVM_CTRL1_INTERCEPT_INOUT_BITMAP
| SVM_CTRL1_INTERCEPT_MSR_SHADOW
| SVM_CTRL1_INTERCEPT_INVLPGA
| SVM_CTRL1_INTERCEPT_SHUTDOWN
| SVM_CTRL1_INTERCEPT_FERR_FREEZE;
next_utcb.ctrl[1] = SVM_CTRL2_INTERCEPT_VMRUN
| SVM_CTRL2_INTERCEPT_VMMCALL
| SVM_CTRL2_INTERCEPT_VMLOAD
| SVM_CTRL2_INTERCEPT_VMSAVE
| SVM_CTRL2_INTERCEPT_STGI
| SVM_CTRL2_INTERCEPT_CLGI
| SVM_CTRL2_INTERCEPT_SKINIT
| SVM_CTRL2_INTERCEPT_WBINVD
| SVM_CTRL2_INTERCEPT_MONITOR
| SVM_CTRL2_INTERCEPT_MWAIT;
void *exit_status = _start_routine(_arg);
pthread_exit(exit_status);
@ -82,6 +86,12 @@ class Vcpu_handler_svm : public Vcpu_handler
Vcpu_handler::_recall_handler();
}
__attribute__((noreturn)) void _svm_triple()
{
Vmm::error("triple fault - dead");
exit(-1);
}
public:
Vcpu_handler_svm(Genode::Env &env, size_t stack_size, const pthread_attr_t *attr,
@ -100,10 +110,14 @@ class Vcpu_handler_svm : public Vcpu_handler
typedef Vcpu_handler_svm This;
register_handler<SVM_EXIT_SHUTDOWN, This,
&This::_svm_triple> (exc_base, Mtd::ALL | Mtd::FPU);
register_handler<SVM_EXIT_READ_CR0, This,
&This::_svm_default> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
register_handler<RECALL, This,
&This::_svm_recall> (exc_base, Mtd::ALL | Mtd::FPU);
register_handler<SVM_EXIT_IOIO, This,
&This::_svm_ioio> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
&This::_svm_default> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
register_handler<SVM_EXIT_VINTR, This,
&This::_svm_vintr> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
register_handler<SVM_EXIT_RDTSC, This,
@ -118,6 +132,11 @@ class Vcpu_handler_svm : public Vcpu_handler
&This::_svm_default> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
register_handler<VCPU_STARTUP, This,
&This::_svm_startup> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
register_handler<SVM_EXIT_WBINVD, This,
&This::_svm_default> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
register_handler<SVM_INVALID, This,
&This::_svm_invalid> (exc_base, Mtd(Mtd::ALL | Mtd::FPU));
start();
}