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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Browse Source 
* GUEST_PANICKED improvements (Anton)
* vCont gdbstub rewrite (Claudio)
* Fix CPU creation with -device (Liyang)
* Logging fixes for pty chardevs (Ed)
* Makefile "move if changed" fix (Lin)
* First part of cpu_exec refactoring (me)
* SVM emulation fix (me)
* apic_delivered fix (Pavel)
* "info ioapic" fix (Peter)
* qemu-nbd socket activation (Richard)
* QOMification of mcf_uart (Thomas)

# gpg: Signature made Thu 16 Feb 2017 17:37:31 GMT
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (23 commits)
  target-i386: correctly propagate retaddr into SVM helpers
  vl: log available guest crash information
  report guest crash information in GUEST_PANICKED event
  i386/cpu: add crash-information QOM property
  Makefile: avoid leaving the temporary QEMU_PKGVERSION header file
  vl: Move the cpu_synchronize_all_post_init() after generic devices initialization
  qemu-nbd: Implement socket activation.
  qemu-doc: Clarify that -vga std is now the default
  cpu-exec: remove outermost infinite loop
  cpu-exec: avoid repeated sigsetjmp on interrupts
  cpu-exec: avoid cpu_loop_exit in cpu_handle_interrupt
  cpu-exec: tighten barrier on TCG_EXIT_REQUESTED
  cpu-exec: fix icount out-of-bounds access
  hw/char/mcf_uart: QOMify the ColdFire UART
  gdbstub: Fix vCont behaviour
  move vm_start to cpus.c
  char: drop data written to a disconnected pty
  apic: reset apic_delivered global variable on machine reset
  qemu-char: socket backend: disconnect on write error
  test-vmstate: remove yield_until_fd_readable
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
2017-02-16 17:46:52 +00:00
parent 7a37b59f1d 65c9d60a3a
commit ad584d37f2
33 changed files with 710 additions and 252 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Makefile
+5 -1
View File
@@ -299,7 +299,11 @@ qemu-version.h: FORCE
printf '""\n'; \
fi; \
fi) > $@.tmp)
$(call quiet-command, cmp -s $@ $@.tmp || mv $@.tmp $@)
$(call quiet-command, if ! cmp -s $@ $@.tmp; then \
mv $@.tmp $@; \
else \
rm $@.tmp; \
fi)
config-host.h: config-host.h-timestamp
config-host.h-timestamp: config-host.mak
chardev/char-pty.c
+1 -1
View File
@@ -129,7 +129,7 @@ static int char_pty_chr_write(Chardev *chr, const uint8_t *buf, int len)
/* guest sends data, check for (re-)connect */
pty_chr_update_read_handler_locked(chr);
if (!s->connected) {
return 0;
return len;
}
}
return io_channel_send(s->ioc, buf, len);
chardev/char-socket.c
+10
View File
@@ -97,6 +97,9 @@ static gboolean tcp_chr_accept(QIOChannel *chan,
GIOCondition cond,
void *opaque);
static int tcp_chr_read_poll(void *opaque);
static void tcp_chr_disconnect(Chardev *chr);
/* Called with chr_write_lock held. */
static int tcp_chr_write(Chardev *chr, const uint8_t *buf, int len)
{
@@ -114,6 +117,13 @@ static int tcp_chr_write(Chardev *chr, const uint8_t *buf, int len)
s->write_msgfds_num = 0;
}
if (ret < 0 && errno != EAGAIN) {
if (tcp_chr_read_poll(chr) <= 0) {
tcp_chr_disconnect(chr);
return len;
} /* else let the read handler finish it properly */
}
return ret;
} else {
/* XXX: indicate an error ? */
cpu-exec.c
+42 -44
View File
@@ -461,7 +461,7 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret)
return false;
}
static inline void cpu_handle_interrupt(CPUState *cpu,
static inline bool cpu_handle_interrupt(CPUState *cpu,
TranslationBlock **last_tb)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
@@ -475,7 +475,7 @@ static inline void cpu_handle_interrupt(CPUState *cpu,
if (interrupt_request & CPU_INTERRUPT_DEBUG) {
cpu->interrupt_request &= ~CPU_INTERRUPT_DEBUG;
cpu->exception_index = EXCP_DEBUG;
cpu_loop_exit(cpu);
return true;
}
if (replay_mode == REPLAY_MODE_PLAY && !replay_has_interrupt()) {
/* Do nothing */
@@ -484,23 +484,23 @@ static inline void cpu_handle_interrupt(CPUState *cpu,
cpu->interrupt_request &= ~CPU_INTERRUPT_HALT;
cpu->halted = 1;
cpu->exception_index = EXCP_HLT;
cpu_loop_exit(cpu);
return true;
}
#if defined(TARGET_I386)
else if (interrupt_request & CPU_INTERRUPT_INIT) {
X86CPU *x86_cpu = X86_CPU(cpu);
CPUArchState *env = &x86_cpu->env;
replay_interrupt();
cpu_svm_check_intercept_param(env, SVM_EXIT_INIT, 0);
cpu_svm_check_intercept_param(env, SVM_EXIT_INIT, 0, 0);
do_cpu_init(x86_cpu);
cpu->exception_index = EXCP_HALTED;
cpu_loop_exit(cpu);
return true;
}
#else
else if (interrupt_request & CPU_INTERRUPT_RESET) {
replay_interrupt();
cpu_reset(cpu);
cpu_loop_exit(cpu);
return true;
}
#endif
/* The target hook has 3 exit conditions:
@@ -526,8 +526,10 @@ static inline void cpu_handle_interrupt(CPUState *cpu,
if (unlikely(atomic_read(&cpu->exit_request) || replay_has_interrupt())) {
atomic_set(&cpu->exit_request, 0);
cpu->exception_index = EXCP_INTERRUPT;
cpu_loop_exit(cpu);
return true;
}
return false;
}
static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
@@ -542,7 +544,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
trace_exec_tb(tb, tb->pc);
ret = cpu_tb_exec(cpu, tb);
*last_tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);
tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);
*tb_exit = ret & TB_EXIT_MASK;
switch (*tb_exit) {
case TB_EXIT_REQUESTED:
@@ -552,11 +554,11 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
* have set something else (eg exit_request or
* interrupt_request) which we will handle
* next time around the loop. But we need to
* ensure the tcg_exit_req read in generated code
* ensure the zeroing of tcg_exit_req (see cpu_tb_exec)
* comes before the next read of cpu->exit_request
* or cpu->interrupt_request.
*/
smp_rmb();
smp_mb();
*last_tb = NULL;
break;
case TB_EXIT_ICOUNT_EXPIRED:
@@ -566,6 +568,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
abort();
#else
int insns_left = cpu->icount_decr.u32;
*last_tb = NULL;
if (cpu->icount_extra && insns_left >= 0) {
/* Refill decrementer and continue execution. */
cpu->icount_extra += insns_left;
@@ -575,17 +578,17 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
} else {
if (insns_left > 0) {
/* Execute remaining instructions. */
cpu_exec_nocache(cpu, insns_left, *last_tb, false);
cpu_exec_nocache(cpu, insns_left, tb, false);
align_clocks(sc, cpu);
}
cpu->exception_index = EXCP_INTERRUPT;
*last_tb = NULL;
cpu_loop_exit(cpu);
}
break;
#endif
}
default:
*last_tb = tb;
break;
}
}
@@ -621,42 +624,37 @@ int cpu_exec(CPUState *cpu)
*/
init_delay_params(&sc, cpu);
for(;;) {
/* prepare setjmp context for exception handling */
if (sigsetjmp(cpu->jmp_env, 0) == 0) {
TranslationBlock *tb, *last_tb = NULL;
int tb_exit = 0;
/* if an exception is pending, we execute it here */
if (cpu_handle_exception(cpu, &ret)) {
break;
}
for(;;) {
cpu_handle_interrupt(cpu, &last_tb);
tb = tb_find(cpu, last_tb, tb_exit);
cpu_loop_exec_tb(cpu, tb, &last_tb, &tb_exit, &sc);
/* Try to align the host and virtual clocks
if the guest is in advance */
align_clocks(&sc, cpu);
} /* for(;;) */
} else {
/* prepare setjmp context for exception handling */
if (sigsetjmp(cpu->jmp_env, 0) != 0) {
#if defined(__clang__) || !QEMU_GNUC_PREREQ(4, 6)
/* Some compilers wrongly smash all local variables after
* siglongjmp. There were bug reports for gcc 4.5.0 and clang.
* Reload essential local variables here for those compilers.
* Newer versions of gcc would complain about this code (-Wclobbered). */
cpu = current_cpu;
cc = CPU_GET_CLASS(cpu);
/* Some compilers wrongly smash all local variables after
* siglongjmp. There were bug reports for gcc 4.5.0 and clang.
* Reload essential local variables here for those compilers.
* Newer versions of gcc would complain about this code (-Wclobbered). */
cpu = current_cpu;
cc = CPU_GET_CLASS(cpu);
#else /* buggy compiler */
/* Assert that the compiler does not smash local variables. */
g_assert(cpu == current_cpu);
g_assert(cc == CPU_GET_CLASS(cpu));
/* Assert that the compiler does not smash local variables. */
g_assert(cpu == current_cpu);
g_assert(cc == CPU_GET_CLASS(cpu));
#endif /* buggy compiler */
cpu->can_do_io = 1;
tb_lock_reset();
cpu->can_do_io = 1;
tb_lock_reset();
}
/* if an exception is pending, we execute it here */
while (!cpu_handle_exception(cpu, &ret)) {
TranslationBlock *last_tb = NULL;
int tb_exit = 0;
while (!cpu_handle_interrupt(cpu, &last_tb)) {
TranslationBlock *tb = tb_find(cpu, last_tb, tb_exit);
cpu_loop_exec_tb(cpu, tb, &last_tb, &tb_exit, &sc);
/* Try to align the host and virtual clocks
if the guest is in advance */
align_clocks(&sc, cpu);
}
} /* for(;;) */
}
cc->cpu_exec_exit(cpu);
rcu_read_unlock();
cpus.c
+42
View File
@@ -1578,6 +1578,48 @@ int vm_stop(RunState state)
return do_vm_stop(state);
}
/**
* Prepare for (re)starting the VM.
* Returns -1 if the vCPUs are not to be restarted (e.g. if they are already
* running or in case of an error condition), 0 otherwise.
*/
int vm_prepare_start(void)
{
RunState requested;
int res = 0;
qemu_vmstop_requested(&requested);
if (runstate_is_running() && requested == RUN_STATE__MAX) {
return -1;
}
/* Ensure that a STOP/RESUME pair of events is emitted if a
* vmstop request was pending. The BLOCK_IO_ERROR event, for
* example, according to documentation is always followed by
* the STOP event.
*/
if (runstate_is_running()) {
qapi_event_send_stop(&error_abort);
res = -1;
} else {
replay_enable_events();
cpu_enable_ticks();
runstate_set(RUN_STATE_RUNNING);
vm_state_notify(1, RUN_STATE_RUNNING);
}
/* We are sending this now, but the CPUs will be resumed shortly later */
qapi_event_send_resume(&error_abort);
return res;
}
void vm_start(void)
{
if (!vm_prepare_start()) {
resume_all_vcpus();
}
}
/* does a state transition even if the VM is already stopped,
current state is forgotten forever */
int vm_stop_force_state(RunState state)
gdbstub.c
+161 -46
View File
@@ -387,6 +387,60 @@ static inline void gdb_continue(GDBState *s)
#endif
}
/*
* Resume execution, per CPU actions. For user-mode emulation it's
* equivalent to gdb_continue.
*/
static int gdb_continue_partial(GDBState *s, char *newstates)
{
CPUState *cpu;
int res = 0;
#ifdef CONFIG_USER_ONLY
/*
* This is not exactly accurate, but it's an improvement compared to the
* previous situation, where only one CPU would be single-stepped.
*/
CPU_FOREACH(cpu) {
if (newstates[cpu->cpu_index] == 's') {
cpu_single_step(cpu, sstep_flags);
}
}
s->running_state = 1;
#else
int flag = 0;
if (!runstate_needs_reset()) {
if (vm_prepare_start()) {
return 0;
}
CPU_FOREACH(cpu) {
switch (newstates[cpu->cpu_index]) {
case 0:
case 1:
break; /* nothing to do here */
case 's':
cpu_single_step(cpu, sstep_flags);
cpu_resume(cpu);
flag = 1;
break;
case 'c':
cpu_resume(cpu);
flag = 1;
break;
default:
res = -1;
break;
}
}
}
if (flag) {
qemu_clock_enable(QEMU_CLOCK_VIRTUAL, true);
}
#endif
return res;
}
static void put_buffer(GDBState *s, const uint8_t *buf, int len)
{
#ifdef CONFIG_USER_ONLY
@@ -785,6 +839,107 @@ static int is_query_packet(const char *p, const char *query, char separator)
(p[query_len] == '\0' || p[query_len] == separator);
}
/**
* gdb_handle_vcont - Parses and handles a vCont packet.
* returns -ENOTSUP if a command is unsupported, -EINVAL or -ERANGE if there is
* a format error, 0 on success.
*/
static int gdb_handle_vcont(GDBState *s, const char *p)
{
int res, idx, signal = 0;
char cur_action;
char *newstates;
unsigned long tmp;
CPUState *cpu;
#ifdef CONFIG_USER_ONLY
int max_cpus = 1; /* global variable max_cpus exists only in system mode */
CPU_FOREACH(cpu) {
max_cpus = max_cpus <= cpu->cpu_index ? cpu->cpu_index + 1 : max_cpus;
}
#endif
/* uninitialised CPUs stay 0 */
newstates = g_new0(char, max_cpus);
/* mark valid CPUs with 1 */
CPU_FOREACH(cpu) {
newstates[cpu->cpu_index] = 1;
}
/*
* res keeps track of what error we are returning, with -ENOTSUP meaning
* that the command is unknown or unsupported, thus returning an empty
* packet, while -EINVAL and -ERANGE cause an E22 packet, due to invalid,
* or incorrect parameters passed.
*/
res = 0;
while (*p) {
if (*p++ != ';') {
res = -ENOTSUP;
goto out;
}
cur_action = *p++;
if (cur_action == 'C' || cur_action == 'S') {
cur_action = tolower(cur_action);
res = qemu_strtoul(p + 1, &p, 16, &tmp);
if (res) {
goto out;
}
signal = gdb_signal_to_target(tmp);
} else if (cur_action != 'c' && cur_action != 's') {
/* unknown/invalid/unsupported command */
res = -ENOTSUP;
goto out;
}
/* thread specification. special values: (none), -1 = all; 0 = any */
if ((p[0] == ':' && p[1] == '-' && p[2] == '1') || (p[0] != ':')) {
if (*p == ':') {
p += 3;
}
for (idx = 0; idx < max_cpus; idx++) {
if (newstates[idx] == 1) {
newstates[idx] = cur_action;
}
}
} else if (*p == ':') {
p++;
res = qemu_strtoul(p, &p, 16, &tmp);
if (res) {
goto out;
}
idx = tmp;
/* 0 means any thread, so we pick the first valid CPU */
if (!idx) {
idx = cpu_index(first_cpu);
}
/*
* If we are in user mode, the thread specified is actually a
* thread id, and not an index. We need to find the actual
* CPU first, and only then we can use its index.
*/
cpu = find_cpu(idx);
/* invalid CPU/thread specified */
if (!idx || !cpu) {
res = -EINVAL;
goto out;
}
/* only use if no previous match occourred */
if (newstates[cpu->cpu_index] == 1) {
newstates[cpu->cpu_index] = cur_action;
}
}
}
s->signal = signal;
gdb_continue_partial(s, newstates);
out:
g_free(newstates);
return res;
}
static int gdb_handle_packet(GDBState *s, const char *line_buf)
{
CPUState *cpu;
@@ -830,60 +985,20 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
return RS_IDLE;
case 'v':
if (strncmp(p, "Cont", 4) == 0) {
int res_signal, res_thread;
p += 4;
if (*p == '?') {
put_packet(s, "vCont;c;C;s;S");
break;
}
res = 0;
res_signal = 0;
res_thread = 0;
while (*p) {
int action, signal;
if (*p++ != ';') {
res = 0;
break;
}
action = *p++;
signal = 0;
if (action == 'C' || action == 'S') {
signal = gdb_signal_to_target(strtoul(p, (char **)&p, 16));
if (signal == -1) {
signal = 0;
}
} else if (action != 'c' && action != 's') {
res = 0;
break;
}
thread = 0;
if (*p == ':') {
thread = strtoull(p+1, (char **)&p, 16);
}
action = tolower(action);
if (res == 0 || (res == 'c' && action == 's')) {
res = action;
res_signal = signal;
res_thread = thread;
}
}
res = gdb_handle_vcont(s, p);
if (res) {
if (res_thread != -1 && res_thread != 0) {
cpu = find_cpu(res_thread);
if (cpu == NULL) {
put_packet(s, "E22");
break;
}
s->c_cpu = cpu;
if ((res == -EINVAL) || (res == -ERANGE)) {
put_packet(s, "E22");
break;
}
if (res == 's') {
cpu_single_step(s->c_cpu, sstep_flags);
}
s->signal = res_signal;
gdb_continue(s);
return RS_IDLE;
goto unknown_command;
}
break;
} else {
hw/char/mcf_uart.c
+77 -25
View File
@@ -7,12 +7,15 @@
*/
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/sysbus.h"
#include "hw/m68k/mcf.h"
#include "sysemu/char.h"
#include "exec/address-spaces.h"
#include "qapi/error.h"
typedef struct {
SysBusDevice parent_obj;
MemoryRegion iomem;
uint8_t mr[2];
uint8_t sr;
@@ -30,6 +33,9 @@ typedef struct {
CharBackend chr;
} mcf_uart_state;
#define TYPE_MCF_UART "mcf-uart"
#define MCF_UART(obj) OBJECT_CHECK(mcf_uart_state, (obj), TYPE_MCF_UART)
/* UART Status Register bits. */
#define MCF_UART_RxRDY 0x01
#define MCF_UART_FFULL 0x02
@@ -220,8 +226,10 @@ void mcf_uart_write(void *opaque, hwaddr addr,
mcf_uart_update(s);
}
static void mcf_uart_reset(mcf_uart_state *s)
static void mcf_uart_reset(DeviceState *dev)
{
mcf_uart_state *s = MCF_UART(dev);
s->fifo_len = 0;
s->mr[0] = 0;
s->mr[1] = 0;
@@ -275,36 +283,80 @@ static void mcf_uart_receive(void *opaque, const uint8_t *buf, int size)
mcf_uart_push_byte(s, buf[0]);
}
void *mcf_uart_init(qemu_irq irq, Chardev *chr)
{
mcf_uart_state *s;
s = g_malloc0(sizeof(mcf_uart_state));
s->irq = irq;
if (chr) {
qemu_chr_fe_init(&s->chr, chr, &error_abort);
qemu_chr_fe_set_handlers(&s->chr, mcf_uart_can_receive,
mcf_uart_receive, mcf_uart_event,
s, NULL, true);
}
mcf_uart_reset(s);
return s;
}
static const MemoryRegionOps mcf_uart_ops = {
.read = mcf_uart_read,
.write = mcf_uart_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
void mcf_uart_mm_init(MemoryRegion *sysmem,
hwaddr base,
qemu_irq irq,
Chardev *chr)
static void mcf_uart_instance_init(Object *obj)
{
mcf_uart_state *s;
SysBusDevice *dev = SYS_BUS_DEVICE(obj);
mcf_uart_state *s = MCF_UART(dev);
s = mcf_uart_init(irq, chr);
memory_region_init_io(&s->iomem, NULL, &mcf_uart_ops, s, "uart", 0x40);
memory_region_add_subregion(sysmem, base, &s->iomem);
memory_region_init_io(&s->iomem, obj, &mcf_uart_ops, s, "uart", 0x40);
sysbus_init_mmio(dev, &s->iomem);
sysbus_init_irq(dev, &s->irq);
}
static void mcf_uart_realize(DeviceState *dev, Error **errp)
{
mcf_uart_state *s = MCF_UART(dev);
qemu_chr_fe_set_handlers(&s->chr, mcf_uart_can_receive, mcf_uart_receive,
mcf_uart_event, s, NULL, true);
}
static Property mcf_uart_properties[] = {
DEFINE_PROP_CHR("chardev", mcf_uart_state, chr),
DEFINE_PROP_END_OF_LIST(),
};
static void mcf_uart_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = mcf_uart_realize;
dc->reset = mcf_uart_reset;
dc->props = mcf_uart_properties;
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
}
static const TypeInfo mcf_uart_info = {
.name = TYPE_MCF_UART,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(mcf_uart_state),
.instance_init = mcf_uart_instance_init,
.class_init = mcf_uart_class_init,
};
static void mcf_uart_register(void)
{
type_register_static(&mcf_uart_info);
}
type_init(mcf_uart_register)
void *mcf_uart_init(qemu_irq irq, Chardev *chrdrv)
{
DeviceState *dev;
dev = qdev_create(NULL, TYPE_MCF_UART);
if (chrdrv) {
qdev_prop_set_chr(dev, "chardev", chrdrv);
}
qdev_init_nofail(dev);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq);
return dev;
}
void mcf_uart_mm_init(hwaddr base, qemu_irq irq, Chardev *chrdrv)
{
DeviceState *dev;
dev = mcf_uart_init(irq, chrdrv);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
}
hw/i386/kvm/ioapic.c
+9 -4
View File
@@ -114,11 +114,11 @@ static void kvm_ioapic_put(IOAPICCommonState *s)
void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict)
{
IOAPICCommonState s;
IOAPICCommonState *s = IOAPIC_COMMON(object_resolve_path("ioapic", NULL));
kvm_ioapic_get(&s);
ioapic_print_redtbl(mon, &s);
assert(s);
kvm_ioapic_get(s);
ioapic_print_redtbl(mon, s);
}
static void kvm_ioapic_reset(DeviceState *dev)
@@ -143,6 +143,11 @@ static void kvm_ioapic_realize(DeviceState *dev, Error **errp)
IOAPICCommonState *s = IOAPIC_COMMON(dev);
memory_region_init_reservation(&s->io_memory, NULL, "kvm-ioapic", 0x1000);
/*
* KVM ioapic only supports 0x11 now. This will only be used when
* we want to dump ioapic version.
*/
s->version = 0x11;
qdev_init_gpio_in(dev, kvm_ioapic_set_irq, IOAPIC_NUM_PINS);
}
hw/intc/apic_common.c
+2
View File
@@ -251,6 +251,8 @@ static void apic_reset_common(DeviceState *dev)
s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
s->id = s->initial_apic_id;
apic_reset_irq_delivered();
s->vapic_paddr = 0;
info->vapic_base_update(s);
hw/intc/ioapic.c
+4 -2
View File
@@ -408,13 +408,15 @@ static void ioapic_machine_done_notify(Notifier *notifier, void *data)
#endif
}
#define IOAPIC_VER_DEF 0x20
static void ioapic_realize(DeviceState *dev, Error **errp)
{
IOAPICCommonState *s = IOAPIC_COMMON(dev);
if (s->version != 0x11 && s->version != 0x20) {
error_report("IOAPIC only supports version 0x11 or 0x20 "
"(default: 0x11).");
"(default: 0x%x).", IOAPIC_VER_DEF);
exit(1);
}
@@ -429,7 +431,7 @@ static void ioapic_realize(DeviceState *dev, Error **errp)
}
static Property ioapic_properties[] = {
DEFINE_PROP_UINT8("version", IOAPICCommonState, version, 0x20),
DEFINE_PROP_UINT8("version", IOAPICCommonState, version, IOAPIC_VER_DEF),
DEFINE_PROP_END_OF_LIST(),
};
hw/m68k/mcf5208.c
+3 -3
View File
@@ -255,9 +255,9 @@ static void mcf5208evb_init(MachineState *machine)
/* Internal peripherals. */
pic = mcf_intc_init(address_space_mem, 0xfc048000, cpu);
mcf_uart_mm_init(address_space_mem, 0xfc060000, pic[26], serial_hds[0]);
mcf_uart_mm_init(address_space_mem, 0xfc064000, pic[27], serial_hds[1]);
mcf_uart_mm_init(address_space_mem, 0xfc068000, pic[28], serial_hds[2]);
mcf_uart_mm_init(0xfc060000, pic[26], serial_hds[0]);
mcf_uart_mm_init(0xfc064000, pic[27], serial_hds[1]);
mcf_uart_mm_init(0xfc068000, pic[28], serial_hds[2]);
mcf5208_sys_init(address_space_mem, pic);
hw/misc/pvpanic.c
+1 -1
View File
@@ -42,7 +42,7 @@ static void handle_event(int event)
}
if (event & PVPANIC_PANICKED) {
qemu_system_guest_panicked();
qemu_system_guest_panicked(NULL);
return;
}
}
hw/ppc/spapr_rtas.c
+2 -1
View File
@@ -334,7 +334,8 @@ static void rtas_ibm_os_term(PowerPCCPU *cpu,
{
target_ulong ret = 0;
qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, false, NULL,
&error_abort);
rtas_st(rets, 0, ret);
}
include/exec/exec-all.h
+1
View File
@@ -318,6 +318,7 @@ static inline void tb_set_jmp_target(TranslationBlock *tb,
static inline void tb_add_jump(TranslationBlock *tb, int n,
TranslationBlock *tb_next)
{
assert(n < ARRAY_SIZE(tb->jmp_list_next));
if (tb->jmp_list_next[n]) {
/* Another thread has already done this while we were
* outside of the lock; nothing to do in this case */
include/hw/m68k/mcf.h
+1 -5
View File
@@ -4,17 +4,13 @@
#include "target/m68k/cpu-qom.h"
struct MemoryRegion;
/* mcf_uart.c */
uint64_t mcf_uart_read(void *opaque, hwaddr addr,
unsigned size);
void mcf_uart_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size);
void *mcf_uart_init(qemu_irq irq, Chardev *chr);
void mcf_uart_mm_init(struct MemoryRegion *sysmem,
hwaddr base,
qemu_irq irq, Chardev *chr);
void mcf_uart_mm_init(hwaddr base, qemu_irq irq, Chardev *chr);
/* mcf_intc.c */
qemu_irq *mcf_intc_init(struct MemoryRegion *sysmem,
include/qom/cpu.h
+10
View File
@@ -158,6 +158,7 @@ typedef struct CPUClass {
uint8_t *buf, int len, bool is_write);
void (*dump_state)(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
int flags);
GuestPanicInformation* (*get_crash_info)(CPUState *cpu);
void (*dump_statistics)(CPUState *cpu, FILE *f,
fprintf_function cpu_fprintf, int flags);
int64_t (*get_arch_id)(CPUState *cpu);
@@ -471,6 +472,15 @@ int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
void *opaque);
/**
* cpu_get_crash_info:
* @cpu: The CPU to get crash information for
*
* Gets the previously saved crash information.
* Caller is responsible for freeing the data.
*/
GuestPanicInformation *cpu_get_crash_info(CPUState *cpu);
/**
* CPUDumpFlags:
* @CPU_DUMP_CODE:
include/sysemu/sysemu.h
+3 -1
View File
@@ -37,6 +37,7 @@ void vm_state_notify(int running, RunState state);
#define VMRESET_REPORT true
void vm_start(void);
int vm_prepare_start(void);
int vm_stop(RunState state);
int vm_stop_force_state(RunState state);
@@ -60,11 +61,12 @@ void qemu_register_powerdown_notifier(Notifier *notifier);
void qemu_system_debug_request(void);
void qemu_system_vmstop_request(RunState reason);
void qemu_system_vmstop_request_prepare(void);
bool qemu_vmstop_requested(RunState *r);
int qemu_shutdown_requested_get(void);
int qemu_reset_requested_get(void);
void qemu_system_killed(int signal, pid_t pid);
void qemu_system_reset(bool report);
void qemu_system_guest_panicked(void);
void qemu_system_guest_panicked(GuestPanicInformation *info);
size_t qemu_target_page_bits(void);
void qemu_add_exit_notifier(Notifier *notify);
kvm-all.c
+2 -1
View File
@@ -2000,8 +2000,9 @@ int kvm_cpu_exec(CPUState *cpu)
ret = EXCP_INTERRUPT;
break;
case KVM_SYSTEM_EVENT_CRASH:
kvm_cpu_synchronize_state(cpu);
qemu_mutex_lock_iothread();
qemu_system_guest_panicked();
qemu_system_guest_panicked(cpu_get_crash_info(cpu));
qemu_mutex_unlock_iothread();
ret = 0;
break;
qapi-schema.json
+24
View File
@@ -5870,6 +5870,30 @@
{ 'enum': 'GuestPanicAction',
'data': [ 'pause', 'poweroff' ] }
##
# @GuestPanicInformation:
#
# Information about a guest panic
#
# Since: 2.9
##
{'union': 'GuestPanicInformation',
'data': { 'hyper-v': 'GuestPanicInformationHyperV' } }
##
# @GuestPanicInformationHyperV:
#
# Hyper-V specific guest panic information (HV crash MSRs)
#
# Since: 2.9
##
{'struct': 'GuestPanicInformationHyperV',
'data': { 'arg1': 'uint64',
'arg2': 'uint64',
'arg3': 'uint64',
'arg4': 'uint64',
'arg5': 'uint64' } }
##
# @rtc-reset-reinjection:
#
qapi/event.json
+4 -2
View File
@@ -488,7 +488,9 @@
#
# @action: action that has been taken, currently always "pause"
#
# Since: 1.5
# @info: optional information about a panic
#
# Since: 1.5 (@info since 2.9)
#
# Example:
#
@@ -497,7 +499,7 @@
#
##
{ 'event': 'GUEST_PANICKED',
'data': { 'action': 'GuestPanicAction' } }
'data': { 'action': 'GuestPanicAction', '*info': 'GuestPanicInformation' } }
##
# @QUORUM_FAILURE:

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