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usr.sbin/bhyve/bhyverun.c
| Show First 20 Lines • Show All 106 Lines • ▼ Show 20 Lines | |||||
| #ifdef BHYVE_SNAPSHOT | #ifdef BHYVE_SNAPSHOT | ||||
| #include "snapshot.h" | #include "snapshot.h" | ||||
| #endif | #endif | ||||
| #include "xmsr.h" | #include "xmsr.h" | ||||
| #include "spinup_ap.h" | #include "spinup_ap.h" | ||||
| #include "rtc.h" | #include "rtc.h" | ||||
| #include "vmgenc.h" | #include "vmgenc.h" | ||||
| #define GUEST_NIO_PORT 0x488 /* guest upcalls via i/o port */ | |||||
| #define MB (1024UL * 1024) | #define MB (1024UL * 1024) | ||||
| #define GB (1024UL * MB) | #define GB (1024UL * MB) | ||||
| static const char * const vmx_exit_reason_desc[] = { | static const char * const vmx_exit_reason_desc[] = { | ||||
| [EXIT_REASON_EXCEPTION] = "Exception or non-maskable interrupt (NMI)", | [EXIT_REASON_EXCEPTION] = "Exception or non-maskable interrupt (NMI)", | ||||
| [EXIT_REASON_EXT_INTR] = "External interrupt", | [EXIT_REASON_EXT_INTR] = "External interrupt", | ||||
| [EXIT_REASON_TRIPLE_FAULT] = "Triple fault", | [EXIT_REASON_TRIPLE_FAULT] = "Triple fault", | ||||
| [EXIT_REASON_INIT] = "INIT signal", | [EXIT_REASON_INIT] = "INIT signal", | ||||
| ▲ Show 20 Lines • Show All 435 Lines • ▼ Show 20 Lines | if (!CPU_ISSET(vcpu, &cpumask)) { | ||||
| exit(4); | exit(4); | ||||
| } | } | ||||
| CPU_CLR_ATOMIC(vcpu, &cpumask); | CPU_CLR_ATOMIC(vcpu, &cpumask); | ||||
| return (CPU_EMPTY(&cpumask)); | return (CPU_EMPTY(&cpumask)); | ||||
| } | } | ||||
| static int | static int | ||||
| vmexit_handle_notify(struct vmctx *ctx __unused, struct vcpu *vcpu __unused, | |||||
| struct vm_exit *vme __unused, uint32_t eax __unused) | |||||
| { | |||||
| #if BHYVE_DEBUG | |||||
| /* | |||||
| * put guest-driven debug here | |||||
| */ | |||||
| #endif | |||||
| return (VMEXIT_CONTINUE); | |||||
| } | |||||
| static int | |||||
| vmexit_inout(struct vmctx *ctx, struct vcpu *vcpu, struct vm_run *vmrun) | vmexit_inout(struct vmctx *ctx, struct vcpu *vcpu, struct vm_run *vmrun) | ||||
| { | { | ||||
| struct vm_exit *vme; | struct vm_exit *vme; | ||||
| int error; | int error; | ||||
| int bytes, port, in, out; | int bytes, port, in; | ||||
| vme = vmrun->vm_exit; | vme = vmrun->vm_exit; | ||||
| port = vme->u.inout.port; | port = vme->u.inout.port; | ||||
| bytes = vme->u.inout.bytes; | bytes = vme->u.inout.bytes; | ||||
| in = vme->u.inout.in; | in = vme->u.inout.in; | ||||
| out = !in; | |||||
| /* Extra-special case of host notifications */ | |||||
| if (out && port == GUEST_NIO_PORT) { | |||||
| error = vmexit_handle_notify(ctx, vcpu, vme, vme->u.inout.eax); | |||||
| return (error); | |||||
| } | |||||
| error = emulate_inout(ctx, vcpu, vme); | error = emulate_inout(ctx, vcpu, vme); | ||||
| if (error) { | if (error) { | ||||
| fprintf(stderr, "Unhandled %s%c 0x%04x at 0x%lx\n", | fprintf(stderr, "Unhandled %s%c 0x%04x at 0x%lx\n", | ||||
| in ? "in" : "out", | in ? "in" : "out", | ||||
| bytes == 1 ? 'b' : (bytes == 2 ? 'w' : 'l'), | bytes == 1 ? 'b' : (bytes == 2 ? 'w' : 'l'), | ||||
| port, vme->rip); | port, vme->rip); | ||||
| return (VMEXIT_ABORT); | return (VMEXIT_ABORT); | ||||
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