mirror of
https://github.com/qemu/qemu.git
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f96b157ebb
Accelerators patches
- Unify x86/arm hw/xen/arch_hvm.h header
- Move non-system-specific 'accel/accel-ops.h' and 'accel-cpu-ops.h' to accel/
- Move KVM definitions qapi/accelerator.json
- Add @qom-type field to CpuInfoFast QAPI structure
- Display CPU model name in 'info cpus' HMP command
- Introduce @x-accel-stats QMP command
- Add 'info accel' on HMP
- Improve qemu_add_vm_change_state_handler*() docstring
- Extract TCG statistic related code to tcg-stats.c
- Implement AccelClass::get_[vcpu]_stats() handlers for TCG and HVF
- Do not dump NaN in TCG statistics
- Revert incomplete "accel/tcg: Unregister the RCU before exiting RR thread"
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# gpg: Signature made Tue 15 Jul 2025 15:44:05 EDT
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* tag 'accel-20250715' of https://github.com/philmd/qemu:
system/runstate: Document qemu_add_vm_change_state_handler_prio* in hdr
system/runstate: Document qemu_add_vm_change_state_handler()
accel/hvf: Implement AccelClass::get_vcpu_stats() handler
accel/tcg: Implement AccelClass::get_stats() handler
accel/tcg: Propagate AccelState to dump_accel_info()
accel/system: Add 'info accel' on human monitor
accel/system: Introduce @x-accel-stats QMP command
accel/tcg: Extract statistic related code to tcg-stats.c
Revert "accel/tcg: Unregister the RCU before exiting RR thread"
accel: Extract AccelClass definition to 'accel/accel-ops.h'
accel: Rename 'system/accel-ops.h' -> 'accel/accel-cpu-ops.h'
accel/tcg: Do not dump NaN statistics
hw/core/machine: Display CPU model name in 'info cpus' command
qapi/machine: Add @qom-type field to CpuInfoFast structure
qapi/accel: Move definitions related to accelerators in their own file
hw/arm/xen-pvh: Remove unnecessary 'hw/xen/arch_hvm.h' header
hw/xen/arch_hvm: Unify x86 and ARM variants
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Conflicts:
qapi/machine.json
Commit 0462da9d6b ("qapi: remove trivial "Returns:" sections")
removed trivial "Returns:". This caused a conflict with the move from
machine.json to accelerator.json.
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Target-specific parts of the CPU object
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "accel/accel-cpu-ops.h"
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#include "system/cpus.h"
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#include "exec/cpu-common.h"
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#include "exec/replay-core.h"
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#include "exec/log.h"
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#include "hw/core/cpu.h"
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#include "trace/trace-root.h"
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/* Validate correct placement of CPUArchState. */
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QEMU_BUILD_BUG_ON(offsetof(ArchCPU, parent_obj) != 0);
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QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) != sizeof(CPUState));
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/* enable or disable single step mode. EXCP_DEBUG is returned by the
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CPU loop after each instruction */
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void cpu_single_step(CPUState *cpu, int enabled)
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{
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if (cpu->singlestep_enabled != enabled) {
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cpu->singlestep_enabled = enabled;
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#if !defined(CONFIG_USER_ONLY)
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const AccelOpsClass *ops = cpus_get_accel();
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if (ops->update_guest_debug) {
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ops->update_guest_debug(cpu);
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}
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#endif
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trace_breakpoint_singlestep(cpu->cpu_index, enabled);
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}
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}
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void cpu_abort(CPUState *cpu, const char *fmt, ...)
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{
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va_list ap;
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va_list ap2;
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va_start(ap, fmt);
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va_copy(ap2, ap);
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fprintf(stderr, "qemu: fatal: ");
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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cpu_dump_state(cpu, stderr, CPU_DUMP_FPU | CPU_DUMP_CCOP);
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if (qemu_log_separate()) {
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FILE *logfile = qemu_log_trylock();
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if (logfile) {
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fprintf(logfile, "qemu: fatal: ");
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vfprintf(logfile, fmt, ap2);
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fprintf(logfile, "\n");
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cpu_dump_state(cpu, logfile, CPU_DUMP_FPU | CPU_DUMP_CCOP);
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qemu_log_unlock(logfile);
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}
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}
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va_end(ap2);
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va_end(ap);
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replay_finish();
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#if defined(CONFIG_USER_ONLY)
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{
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struct sigaction act;
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sigfillset(&act.sa_mask);
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act.sa_handler = SIG_DFL;
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act.sa_flags = 0;
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sigaction(SIGABRT, &act, NULL);
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}
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#endif
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abort();
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}
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