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https://github.com/genodelabs/genode.git
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vbox5: adjust to run with Fiasco.OC
- use priorities solely with nova - handle exceptions during vCPU creation - avoid assertion in vga_vbda - silence compiler warnings about outdated register keyword Issue #3111
This commit is contained in:
Alexander Boettcher
Christian Helmuth
parent
64fac6cee7
commit
7ec37b2d8d
@ -473,14 +473,14 @@ struct Vcpu {
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if (exit_reason != VM_EXIT_RECALL || !previous_blocked)
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_read_nova_state(utcb, state, exit_reason);
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/* consume potential multiple sem ups */
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Nova::sm_ctrl(vcpu->_sm_sel(), Nova::SEMAPHORE_UP);
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Nova::sm_ctrl(vcpu->_sm_sel(), Nova::SEMAPHORE_DOWNZERO);
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if (exit_reason == VM_EXIT_RECALL) {
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if (previous_blocked)
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state.exit_reason = exit_reason;
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/* consume potential multiple sem ups */
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Nova::sm_ctrl(vcpu->_sm_sel(), Nova::SEMAPHORE_UP);
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Nova::sm_ctrl(vcpu->_sm_sel(), Nova::SEMAPHORE_DOWNZERO);
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if (vcpu->_remote == PAUSE) {
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vcpu->_remote = NONE;
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} else {
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@ -550,8 +550,13 @@ struct Vcpu {
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if (_dispatching == current) {
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/* current thread is already dispatching */
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_block = true;
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return;
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if (_block)
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/* issue pause exit next time - fall through */
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_block = false;
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else {
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_block = true;
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return;
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}
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}
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if ((_ep_handler == current) && _block) {
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@ -1 +1 @@
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0ccf5764631d03e73d2a952391c96fe457f6f5ee
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5de6eead003606684659956308561f9dffcdffba
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@ -823,13 +823,19 @@ static int _map_memory(Genode::Vm_connection &vm_session,
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} catch (Genode::Vm_session::Region_conflict) {
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/* XXX PGMUnmapMemoryGenode on vm_session does not flush caps */
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vm_session.detach(GCPhys, mapping_size);
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if (retry) {
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Genode::error("region conflict - ", Genode::Hex(GCPhys),
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" ", Genode::Hex(mapping_size), " vmm_local=",
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Genode::Hex(vmm_local), " ", region->cap,
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" region=", Genode::Hex(region->vmm_local),
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"+", Genode::Hex(region->size));
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Genode::log("region conflict - ", Genode::Hex(GCPhys),
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" ", Genode::Hex(mapping_size), " vmm_local=",
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Genode::Hex(vmm_local), " ", region->cap,
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" region=", Genode::Hex(region->vmm_local),
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"+", Genode::Hex(region->size));
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size_t detach_size = mapping_size;
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while (detach_size) {
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size_t const size = 4096;
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vm_session.detach(GCPhys + (mapping_size - detach_size), size);
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detach_size -= detach_size > size ? size : detach_size;
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}
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return VERR_PGM_DYNMAP_FAILED;
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}
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@ -863,8 +869,6 @@ class Pgm_guard
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int Vcpu_handler::map_memory(Genode::Vm_connection &vm_session,
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RTGCPHYS const GCPhys, RTGCUINT vbox_fault_reason)
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{
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Pgm_guard guard(*_vm);
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_ept_fault_addr_type = PGMPAGETYPE_INVALID;
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PPGMRAMRANGE const pRam = pgmPhysGetRangeAtOrAbove(_vm, GCPhys);
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@ -891,6 +895,7 @@ int Vcpu_handler::map_memory(Genode::Vm_connection &vm_session,
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&& !PGM_PAGE_IS_SPECIAL_ALIAS_MMIO(pPage)
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&& PGM_A20_IS_ENABLED(_vcpu))
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{
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Pgm_guard guard(*_vm);
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pgmPhysPageMakeWritable(_vm, pPage, GCPhys);
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}
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@ -296,3 +296,10 @@ extern "C" long pathconf(char const *path, int name)
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errno = EINVAL;
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return -1;
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}
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extern "C" int siginterrupt(int, int)
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{
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Genode::Thread * thread = Genode::Thread::myself();
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Genode::warning(__func__, " called, caller=", thread ? thread->name() : "");
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return 0;
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}
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159
repos/ports/src/virtualbox5/patches/register.patch
Normal file
159
repos/ports/src/virtualbox5/patches/register.patch
Normal file
@ -0,0 +1,159 @@
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--- a/src/app/virtualbox/src/VBox/VMM/VMMAll/PGMAllGst.h
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+++ b/src/app/virtualbox/src/VBox/VMM/VMMAll/PGMAllGst.h
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@@ -101,9 +101,9 @@
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if (RT_FAILURE(rc))
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return PGM_GST_NAME(WalkReturnBadPhysAddr)(pVCpu, pWalk, 4, rc);
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- PX86PML4 register pPml4 = pWalk->pPml4;
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- X86PML4E register Pml4e;
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- PX86PML4E register pPml4e;
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+ PX86PML4 pPml4 = pWalk->pPml4;
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+ X86PML4E Pml4e;
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+ PX86PML4E pPml4e;
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pWalk->pPml4e = pPml4e = &pPml4->a[(GCPtr >> X86_PML4_SHIFT) & X86_PML4_MASK];
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pWalk->Pml4e.u = Pml4e.u = pPml4e->u;
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@@ -127,9 +127,9 @@
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}
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{
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# if PGM_GST_TYPE == PGM_TYPE_AMD64 || PGM_GST_TYPE == PGM_TYPE_PAE
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- PX86PDPT register pPdpt = pWalk->pPdpt;
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- PX86PDPE register pPdpe;
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- X86PDPE register Pdpe;
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+ PX86PDPT pPdpt = pWalk->pPdpt;
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+ PX86PDPE pPdpe;
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+ X86PDPE Pdpe;
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pWalk->pPdpe = pPdpe = &pPdpt->a[(GCPtr >> GST_PDPT_SHIFT) & GST_PDPT_MASK];
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pWalk->Pdpe.u = Pdpe.u = pPdpe->u;
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@@ -151,8 +151,8 @@
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# endif
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}
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{
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- PGSTPD register pPd = pWalk->pPd;
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- PGSTPDE register pPde;
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+ PGSTPD pPd = pWalk->pPd;
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+ PGSTPDE pPde;
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GSTPDE Pde;
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pWalk->pPde = pPde = &pPd->a[(GCPtr >> GST_PD_SHIFT) & GST_PD_MASK];
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@@ -201,9 +201,9 @@
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return PGM_GST_NAME(WalkReturnBadPhysAddr)(pVCpu, pWalk, 1, rc);
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}
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{
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- PGSTPT register pPt = pWalk->pPt;
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- PGSTPTE register pPte;
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- GSTPTE register Pte;
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+ PGSTPT pPt = pWalk->pPt;
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+ PGSTPTE pPte;
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+ GSTPTE Pte;
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pWalk->pPte = pPte = &pPt->a[(GCPtr >> GST_PT_SHIFT) & GST_PT_MASK];
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pWalk->Pte.u = Pte.u = pPte->u;
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--- a/src/app/virtualbox/include/iprt/log.h
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+++ b/src/app/virtualbox/include/iprt/log.h
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@@ -607,7 +607,7 @@
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# define _LogIt(a_fFlags, a_iGroup, ...) \
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do \
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{ \
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- register PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
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+ PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
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if (RT_LIKELY(!LogIt_pLogger)) \
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{ /* likely */ } \
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else \
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@@ -621,7 +621,7 @@
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# define LogIt(a_fFlags, a_iGroup, fmtargs) \
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do \
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{ \
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- register PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
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+ PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(a_fFlags, a_iGroup)); \
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if (RT_LIKELY(!LogIt_pLogger)) \
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{ /* likely */ } \
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else \
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@@ -632,7 +632,7 @@
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# define LogItAlways(a_fFlags, a_iGroup, fmtargs) \
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do \
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{ \
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- register PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(0, UINT16_MAX)); \
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+ PRTLOGGER LogIt_pLogger = RTLogDefaultInstanceEx(RT_MAKE_U32(0, UINT16_MAX)); \
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if (LogIt_pLogger) \
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LogIt_pLogger->pfnLogger fmtargs; \
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} while (0)
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--- a/src/app/virtualbox/src/VBox/Devices/Network/DevPCNet.cpp
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+++ b/src/app/virtualbox/src/VBox/Devices/Network/DevPCNet.cpp
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@@ -1244,8 +1244,8 @@
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*/
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static void pcnetUpdateIrq(PPCNETSTATE pThis)
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{
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- register int iISR = 0;
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- register uint16_t csr0 = pThis->aCSR[0];
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+ int iISR = 0;
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+ uint16_t csr0 = pThis->aCSR[0];
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csr0 &= ~0x0080; /* clear INTR */
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--- a/src/app/virtualbox/src/VBox/Runtime/common/table/avl_Base.cpp.h
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+++ b/src/app/virtualbox/src/VBox/Runtime/common/table/avl_Base.cpp.h
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@@ -266,7 +266,7 @@
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}
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else
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{
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- register unsigned char uchHeight = (unsigned char)(KMAX(uchLeftHeight, uchRightHeight) + 1);
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+ unsigned char uchHeight = (unsigned char)(KMAX(uchLeftHeight, uchRightHeight) + 1);
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if (uchHeight == pNode->uchHeight)
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break;
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pNode->uchHeight = uchHeight;
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@@ -300,10 +300,10 @@
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{
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KAVLSTACK AVLStack;
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PPKAVLNODECORE ppCurNode = ppTree;
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- register PKAVLNODECORE pCurNode;
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- register KAVLKEY Key = pNode->Key; NOREF(Key);
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+ PKAVLNODECORE pCurNode;
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+ KAVLKEY Key = pNode->Key; NOREF(Key);
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#ifdef KAVL_RANGE
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- register KAVLKEY KeyLast = pNode->KeyLast; NOREF(KeyLast);
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+ KAVLKEY KeyLast = pNode->KeyLast; NOREF(KeyLast);
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#endif
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AVLStack.cEntries = 0;
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@@ -400,7 +400,7 @@
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{
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KAVLSTACK AVLStack;
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PPKAVLNODECORE ppDeleteNode = ppTree;
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- register PKAVLNODECORE pDeleteNode;
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+ PKAVLNODECORE pDeleteNode;
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AVLStack.cEntries = 0;
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@@ -427,7 +427,7 @@
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/* find the rightmost node in the left tree. */
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const unsigned iStackEntry = AVLStack.cEntries;
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PPKAVLNODECORE ppLeftLeast = &pDeleteNode->pLeft;
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- register PKAVLNODECORE pLeftLeast = KAVL_GET_POINTER(ppLeftLeast);
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+ PKAVLNODECORE pLeftLeast = KAVL_GET_POINTER(ppLeftLeast);
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while (pLeftLeast->pRight != KAVL_NULL)
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{
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--- a/src/app/virtualbox/src/VBox/Runtime/common/string/utf-16.cpp
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+++ b/src/app/virtualbox/src/VBox/Runtime/common/string/utf-16.cpp
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@@ -193,7 +193,7 @@
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RT_EXPORT_SYMBOL(RTUtf16Len);
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-RTDECL(int) RTUtf16Cmp(register PCRTUTF16 pwsz1, register PCRTUTF16 pwsz2)
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+RTDECL(int) RTUtf16Cmp(PCRTUTF16 pwsz1, PCRTUTF16 pwsz2)
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{
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if (pwsz1 == pwsz2)
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return 0;
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@@ -204,8 +204,8 @@
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for (;;)
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{
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- register RTUTF16 wcs = *pwsz1;
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- register int iDiff = wcs - *pwsz2;
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+ RTUTF16 wcs = *pwsz1;
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+ int iDiff = wcs - *pwsz2;
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if (iDiff || !wcs)
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return iDiff;
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pwsz1++;
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@ -33,3 +33,5 @@ tm_4s.patch
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rem_tss.patch
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mem_leak.patch
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rem_mem.patch
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vga.patch
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register.patch
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26
repos/ports/src/virtualbox5/patches/vga.patch
Normal file
26
repos/ports/src/virtualbox5/patches/vga.patch
Normal file
@ -0,0 +1,26 @@
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--- a/src/app/virtualbox/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp
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+++ b/src/app/virtualbox/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp
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@@ -2249,12 +2249,23 @@
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const uint64_t u64ScreenSize = (uint64_t)screen.u32LineSize * screen.u32Height;
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+ if (!( screen.u32StartOffset <= pView->u32ViewSize
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+ && u64ScreenSize <= pView->u32MaxScreenSize
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+ && screen.u32StartOffset <= pView->u32ViewSize - (uint32_t)u64ScreenSize))
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+ {
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+ RTLogPrintf("%s - assertion failed - u32StartOffset=%#x u32ViewSize=%#x u64ScreenSize=%#RX64 u32MaxScreenSize=%#x",
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+ __func__, screen.u32StartOffset, pView->u32ViewSize, u64ScreenSize, pView->u32MaxScreenSize);
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+#if 0
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ASSERT_GUEST_LOGREL_MSG_RETURN( screen.u32StartOffset <= pView->u32ViewSize
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&& u64ScreenSize <= pView->u32MaxScreenSize
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&& screen.u32StartOffset <= pView->u32ViewSize - (uint32_t)u64ScreenSize,
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("u32StartOffset=%#x u32ViewSize=%#x u64ScreenSize=%#RX64 u32MaxScreenSize=%#x\n",
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screen.u32StartOffset, pView->u32ViewSize, u64ScreenSize, pView->u32MaxScreenSize),
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VERR_INVALID_PARAMETER);
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+#endif
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+ return VERR_INVALID_PARAMETER;
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+ }
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+
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RT_UNTRUSTED_VALIDATED_FENCE();
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/*
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@ -12,6 +12,7 @@
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*/
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/* Genode */
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#include <base/attached_rom_dataspace.h>
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#include <base/log.h>
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#include <base/thread.h>
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#include <cpu_session/connection.h>
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@ -31,12 +32,25 @@
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/* vbox */
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#include <internal/thread.h>
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static bool use_priorities()
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{
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Genode::Attached_rom_dataspace const platform(genode_env(), "platform_info");
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Genode::Xml_node const kernel = platform.xml().sub_node("kernel");
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return kernel.attribute_value("name", Genode::String<16>("unknown")) == "nova";
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}
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static long prio_class(RTTHREADTYPE const type)
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{
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unsigned const VIRTUAL_GENODE_VBOX_LEVELS = 16;
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static_assert (RTTHREADTYPE_END < VIRTUAL_GENODE_VBOX_LEVELS,
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"prio levels exceeds VIRTUAL_GENODE_VBOX_LEVELS");
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/* evaluate once */
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static bool const priorities = use_priorities();
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if (!priorities)
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return Genode::Cpu_session::DEFAULT_PRIORITY;
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return (VIRTUAL_GENODE_VBOX_LEVELS - type) *
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Genode::Cpu_session::PRIORITY_LIMIT / VIRTUAL_GENODE_VBOX_LEVELS;
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}
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@ -124,6 +138,10 @@ extern "C" int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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log("Upgrading memory for creation of "
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"thread '", Cstring(rtthread->szName), "'");
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cpu_connection(rtthread->enmType)->upgrade_ram(4096);
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} catch (Genode::Signal_receiver::Signal_not_pending) {
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error("signal not pending ?");
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} catch (Out_of_caps) {
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error("out of caps ...");
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}
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catch (...) { break; }
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}
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@ -17,8 +17,6 @@
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/* Genode includes */
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#include <base/log.h>
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#include <util/flex_iterator.h>
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#include <util/touch.h>
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#include <rom_session/connection.h>
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#include <timer_session/connection.h>
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#include <vm_session/connection.h>
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@ -45,13 +43,8 @@
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/* Genode libc pthread binding */
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#include "thread.h"
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/* LibC includes */
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#include <setjmp.h>
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#include <VBox/vmm/rem.h>
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static bool debug_map_memory = false;
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/*
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* VirtualBox stores segment attributes in Intel format using a 32-bit
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* value. Genode represents the attributes in packed format using a 16-bit
|
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@ -68,31 +61,13 @@ static inline Genode::uint32_t sel_ar_conv_from_genode(Genode::uint16_t v)
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return (v & 0xff) | (((uint32_t )v << 4) & 0x1f000);
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}
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namespace Vcpu_sync
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{
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struct Session : Genode::Session
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{
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GENODE_RPC(Rpc_resume, void, resume);
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GENODE_RPC(Rpc_request_pause, void, request_pause);
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GENODE_RPC_INTERFACE(Rpc_resume, Rpc_request_pause);
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};
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struct Client : Genode::Rpc_client<Session>
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{
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Client(Genode::Capability<Session> cap) : Rpc_client<Session>(cap) { }
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void resume() { call<Rpc_resume>(); }
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void request_pause() { call<Rpc_request_pause>(); }
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};
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};
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class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
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public Genode::Rpc_object<Vcpu_sync::Session, Vcpu_handler>
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class Vcpu_handler : public Genode::List<Vcpu_handler>::Element
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{
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protected:
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Genode::Entrypoint _ep;
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Genode::Lock _lock;
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Genode::Lock _lock_emt;
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Genode::Semaphore _sem_handler;
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Genode::Vm_state *_state { nullptr };
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/* halt / wakeup handling with timeout support */
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@ -106,9 +81,8 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
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bool npt_ept_unmap { false };
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/* state machine between EMT and EP thread of a vCPU */
|
||||
enum State { RUNNING, PAUSED, IRQ_WIN, NPT_EPT } _vm_state { PAUSED };
|
||||
|
||||
Vcpu_sync::Client _ep_emt;
|
||||
enum { RUNNING, PAUSED, IRQ_WIN, NPT_EPT } _vm_state { PAUSED };
|
||||
enum { PAUSE_EXIT, RUN } _next_state { RUN };
|
||||
|
||||
private:
|
||||
|
||||
@ -171,10 +145,17 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
Genode::memcpy(fpu, pCtx->pXStateR3, sizeof(X86FXSTATE));
|
||||
});
|
||||
|
||||
_ep_emt.resume();
|
||||
Assert(_vm_state == IRQ_WIN || _vm_state == PAUSED || _vm_state == NPT_EPT);
|
||||
Assert(_next_state == PAUSE_EXIT || _next_state == RUN);
|
||||
|
||||
/* wake up vcpu ep handler */
|
||||
_sem_handler.up();
|
||||
|
||||
/* wait for next exit */
|
||||
_lock.lock();
|
||||
_lock_emt.lock();
|
||||
|
||||
/* next time run - recall() may change this */
|
||||
_next_state = RUN;
|
||||
|
||||
/* write FPU state of vCPU to pCtx */
|
||||
_state->fpu.value([&] (uint8_t *fpu, size_t const size) {
|
||||
@ -192,7 +173,7 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
if (npt_ept_unmap) {
|
||||
Genode::error("NPT/EPT unmap not supported - stop");
|
||||
while (true) {
|
||||
_lock.lock();
|
||||
_lock_emt.lock();
|
||||
}
|
||||
}
|
||||
|
||||
@ -223,10 +204,10 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
|
||||
_vm_state = PAUSED;
|
||||
|
||||
_lock.unlock();
|
||||
_lock_emt.unlock();
|
||||
}
|
||||
|
||||
void _recall_handler()
|
||||
bool _recall_handler()
|
||||
{
|
||||
if (_vm_state != RUNNING)
|
||||
Genode::error(__func__, " _vm_state=", (int)_vm_state, " exit_reason=", Genode::Hex(_state->exit_reason));
|
||||
@ -252,15 +233,14 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
|
||||
/* got recall during irq injection and the guest is ready for
|
||||
* delivery of IRQ - just continue */
|
||||
run_vm();
|
||||
return;
|
||||
return /* no-wait */ false;
|
||||
}
|
||||
|
||||
/* are we forced to go back to emulation mode ? */
|
||||
if (!continue_hw_accelerated()) {
|
||||
/* go back to emulation mode */
|
||||
_default_handler();
|
||||
return;
|
||||
return /* wait */ true;
|
||||
}
|
||||
|
||||
/* check whether we have to request irq injection window */
|
||||
@ -268,12 +248,11 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
*_state = Genode::Vm_state {}; /* reset */
|
||||
_state->inj_info.value(_state->inj_info.value());
|
||||
_irq_win = true;
|
||||
run_vm();
|
||||
return;
|
||||
return /* no-wait */ false;
|
||||
}
|
||||
|
||||
_default_handler();
|
||||
return;
|
||||
return /* wait */ true;
|
||||
}
|
||||
|
||||
inline bool vbox_to_state(VM *pVM, PVMCPU pVCpu)
|
||||
@ -500,7 +479,7 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
_vm_exits ++;
|
||||
|
||||
_vm_state = IRQ_WIN;
|
||||
_lock.unlock();
|
||||
_lock_emt.unlock();
|
||||
}
|
||||
|
||||
void _npt_ept()
|
||||
@ -512,7 +491,7 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
_vm_exits ++;
|
||||
|
||||
_vm_state = NPT_EPT;
|
||||
_lock.unlock();
|
||||
_lock_emt.unlock();
|
||||
}
|
||||
|
||||
void _irq_window_pthread()
|
||||
@ -672,7 +651,6 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
virtual bool hw_save_state(Genode::Vm_state *, VM *, PVMCPU) = 0;
|
||||
virtual int vm_exit_requires_instruction_emulation(PCPUMCTX) = 0;
|
||||
|
||||
virtual void run_vm() = 0;
|
||||
virtual void pause_vm() = 0;
|
||||
virtual int attach_memory_to_vm(RTGCPHYS const,
|
||||
RTGCUINT vbox_fault_reason) = 0;
|
||||
@ -696,35 +674,9 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
:
|
||||
_ep(env, stack_size,
|
||||
Genode::String<12>("EP-EMT-", cpu_id).string(), location),
|
||||
_ep_emt(_ep.rpc_ep().manage(this)),
|
||||
_cpu_id(cpu_id)
|
||||
{ }
|
||||
|
||||
void resume()
|
||||
{
|
||||
PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(_vcpu);
|
||||
|
||||
Assert(_vm_state == IRQ_WIN || _vm_state == PAUSED || _vm_state == NPT_EPT);
|
||||
|
||||
_vm_state = RUNNING;
|
||||
run_vm();
|
||||
}
|
||||
|
||||
void request_pause()
|
||||
{
|
||||
_recall_req ++;
|
||||
|
||||
if (_irq_win) {
|
||||
_recall_skip ++;
|
||||
return;
|
||||
}
|
||||
|
||||
if (_vm_state != RUNNING)
|
||||
return;
|
||||
|
||||
pause_vm();
|
||||
}
|
||||
|
||||
unsigned int cpu_id() { return _cpu_id; }
|
||||
|
||||
|
||||
@ -738,7 +690,19 @@ class Vcpu_handler : public Genode::List<Vcpu_handler>::Element,
|
||||
if (_vm != vm || _vcpu != &vm->aCpus[_cpu_id])
|
||||
Genode::error("wrong CPU !?");
|
||||
|
||||
_ep_emt.request_pause();
|
||||
_recall_req ++;
|
||||
|
||||
if (_irq_win) {
|
||||
_recall_skip ++;
|
||||
return;
|
||||
}
|
||||
|
||||
asm volatile ("":::"memory");
|
||||
|
||||
if (_vm_state != PAUSED)
|
||||
pause_vm();
|
||||
|
||||
_next_state = PAUSE_EXIT;
|
||||
|
||||
#if 0
|
||||
if (_recall_req % 1000 == 0) {
|
||||
|
||||
@ -1,11 +1,11 @@
|
||||
/*
|
||||
* \brief Genode/Nova specific VirtualBox SUPLib supplements
|
||||
* \brief Genode specific VirtualBox SUPLib supplements
|
||||
* \author Alexander Boettcher
|
||||
* \date 2013-11-18
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2013-2017 Genode Labs GmbH
|
||||
* Copyright (C) 2013-2019 Genode Labs GmbH
|
||||
*
|
||||
* This file is distributed under the terms of the GNU General Public License
|
||||
* version 2.
|
||||
@ -76,14 +76,12 @@ class Vcpu_handler_svm : public Vcpu_handler
|
||||
next_utcb.ctrl[1] = 0;
|
||||
}
|
||||
|
||||
void _svm_recall() { Vcpu_handler::_recall_handler(); }
|
||||
|
||||
void _handle_vm_exception()
|
||||
{
|
||||
unsigned const exit = _state->exit_reason;
|
||||
// Genode::warning(__func__, " ", Genode::Hex(exit), " _irq_win=", _irq_win);
|
||||
bool recall_wait = true;
|
||||
|
||||
switch (exit) {
|
||||
case RECALL: _svm_recall(); break;
|
||||
case SVM_EXIT_IOIO: _svm_ioio(); break;
|
||||
case SVM_EXIT_VINTR: _svm_vintr(); break;
|
||||
// case SVM_EXIT_RDTSC: _svm_default(); break;
|
||||
@ -91,17 +89,36 @@ class Vcpu_handler_svm : public Vcpu_handler
|
||||
case SVM_NPT: _svm_npt<SVM_NPT>(); break;
|
||||
case SVM_EXIT_HLT: _svm_default(); break;
|
||||
case SVM_EXIT_CPUID: _svm_default(); break;
|
||||
case RECALL:
|
||||
recall_wait = Vcpu_handler::_recall_handler();
|
||||
break;
|
||||
case VCPU_STARTUP:
|
||||
_svm_startup();
|
||||
_lock.unlock();
|
||||
_lock_emt.unlock();
|
||||
/* pause - no resume */
|
||||
return;
|
||||
break;
|
||||
default:
|
||||
Genode::error(__func__, " unknown exit - stop - ",
|
||||
Genode::Hex(exit));
|
||||
_vm_state = PAUSED;
|
||||
return;
|
||||
}
|
||||
|
||||
if (exit == RECALL && !recall_wait) {
|
||||
_vm_state = RUNNING;
|
||||
run_vm();
|
||||
return;
|
||||
}
|
||||
|
||||
/* wait until EMT thread wake's us up */
|
||||
_sem_handler.down();
|
||||
|
||||
/* resume vCPU */
|
||||
_vm_state = RUNNING;
|
||||
if (_next_state == RUN)
|
||||
run_vm();
|
||||
else
|
||||
pause_vm(); /* cause pause exit */
|
||||
}
|
||||
|
||||
void run_vm() { _vm_session.run(_vcpu); }
|
||||
@ -154,13 +171,12 @@ class Vcpu_handler_svm : public Vcpu_handler
|
||||
_state = _state_ds.local_addr<Genode::Vm_state>();
|
||||
|
||||
/* sync with initial startup exception */
|
||||
_lock.lock();
|
||||
_lock_emt.lock();
|
||||
|
||||
_vm_session.run(_vcpu);
|
||||
|
||||
/* sync with initial startup exception */
|
||||
_lock.lock();
|
||||
// _lock.unlock();
|
||||
_lock_emt.lock();
|
||||
}
|
||||
|
||||
bool hw_save_state(Genode::Vm_state *state, VM * pVM, PVMCPU pVCpu) {
|
||||
|
||||
@ -1,12 +1,12 @@
|
||||
/*
|
||||
* \brief Genode/Nova specific VirtualBox SUPLib supplements
|
||||
* \brief Genode specific VirtualBox SUPLib supplements
|
||||
* \author Alexander Boettcher
|
||||
* \author Norman Feske
|
||||
* \author Christian Helmuth
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2013-2017 Genode Labs GmbH
|
||||
* Copyright (C) 2013-2019 Genode Labs GmbH
|
||||
*
|
||||
* This file is distributed under the terms of the GNU General Public License
|
||||
* version 2.
|
||||
@ -106,8 +106,6 @@ class Vcpu_handler_vmx : public Vcpu_handler
|
||||
|
||||
void _vmx_irqwin() { _irq_window(); }
|
||||
|
||||
void _vmx_recall() { Vcpu_handler::_recall_handler(); }
|
||||
|
||||
__attribute__((noreturn)) void _vmx_invalid()
|
||||
{
|
||||
unsigned const dubious = _state->inj_info.value() |
|
||||
@ -124,19 +122,12 @@ class Vcpu_handler_vmx : public Vcpu_handler
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
/*
|
||||
* This VM exit is in part handled by the NOVA kernel (writing the CR
|
||||
* register) and in part by VirtualBox (updating the PDPTE registers,
|
||||
* which requires access to the guest physical memory).
|
||||
* Intel manual sections 4.4.1 of Vol. 3A and 26.3.2.4 of Vol. 3C
|
||||
* indicate the conditions when the PDPTE registers need to get
|
||||
* updated.
|
||||
*/
|
||||
void _vmx_mov_crx() { _default_handler(); return; }
|
||||
|
||||
void _handle_vm_exception()
|
||||
{
|
||||
unsigned const exit = _state->exit_reason;
|
||||
bool recall_wait = true;
|
||||
|
||||
switch (exit) {
|
||||
case VMX_EXIT_TRIPLE_FAULT: _vmx_triple(); break;
|
||||
@ -157,20 +148,39 @@ class Vcpu_handler_vmx : public Vcpu_handler
|
||||
case VMX_EXIT_WBINVD: _vmx_default(); break;
|
||||
case VMX_EXIT_MOV_CRX: _vmx_mov_crx(); break;
|
||||
case VMX_EXIT_MOV_DRX: _vmx_default(); break;
|
||||
case VMX_EXIT_XSETBV: _vmx_default(); break;
|
||||
case VMX_EXIT_TPR_BELOW_THRESHOLD: _vmx_default(); break;
|
||||
case VMX_EXIT_EPT_VIOLATION: _vmx_ept<VMX_EXIT_EPT_VIOLATION>(); break;
|
||||
case RECALL: _vmx_recall(); break;
|
||||
case RECALL:
|
||||
recall_wait = Vcpu_handler::_recall_handler();
|
||||
break;
|
||||
case VCPU_STARTUP:
|
||||
_vmx_startup();
|
||||
_lock.unlock();
|
||||
_lock_emt.unlock();
|
||||
/* pause - no resume */
|
||||
return;
|
||||
break;
|
||||
default:
|
||||
Genode::error(__func__, " unknown exit - stop - ",
|
||||
Genode::Hex(exit));
|
||||
_vm_state = PAUSED;
|
||||
return;
|
||||
}
|
||||
|
||||
if (exit == RECALL && !recall_wait) {
|
||||
_vm_state = RUNNING;
|
||||
run_vm();
|
||||
return;
|
||||
}
|
||||
|
||||
/* wait until EMT thread wake's us up */
|
||||
_sem_handler.down();
|
||||
|
||||
/* resume vCPU */
|
||||
_vm_state = RUNNING;
|
||||
if (_next_state == RUN)
|
||||
run_vm();
|
||||
else
|
||||
pause_vm(); /* cause pause exit */
|
||||
}
|
||||
|
||||
void run_vm() { _vm_session.run(_vcpu); }
|
||||
@ -204,6 +214,7 @@ class Vcpu_handler_vmx : public Vcpu_handler
|
||||
case VMX_EXIT_MOV_DRX:
|
||||
case VMX_EXIT_TPR_BELOW_THRESHOLD:
|
||||
case VMX_EXIT_EPT_VIOLATION:
|
||||
case VMX_EXIT_XSETBV:
|
||||
case VCPU_STARTUP:
|
||||
case RECALL:
|
||||
/* todo - touch all members */
|
||||
@ -235,13 +246,12 @@ class Vcpu_handler_vmx : public Vcpu_handler
|
||||
_state = _state_ds.local_addr<Genode::Vm_state>();
|
||||
|
||||
/* sync with initial startup exception */
|
||||
_lock.lock();
|
||||
_lock_emt.lock();
|
||||
|
||||
_vm_session.run(_vcpu);
|
||||
|
||||
/* sync with initial startup exception */
|
||||
_lock.lock();
|
||||
// _lock.unlock();
|
||||
_lock_emt.lock();
|
||||
}
|
||||
|
||||
bool hw_save_state(Genode::Vm_state *state, VM * pVM, PVMCPU pVCpu) {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user