diff options
Diffstat (limited to 'softmmu')
| -rw-r--r-- | softmmu/cpus.c | 12 | ||||
| -rw-r--r-- | softmmu/memory.c | 2 | ||||
| -rw-r--r-- | softmmu/physmem.c | 149 | ||||
| -rw-r--r-- | softmmu/qtest.c | 2 | ||||
| -rw-r--r-- | softmmu/vl.c | 9 |
5 files changed, 94 insertions, 80 deletions
diff --git a/softmmu/cpus.c b/softmmu/cpus.c index 1dc20b9dc3..112eba9d54 100644 --- a/softmmu/cpus.c +++ b/softmmu/cpus.c @@ -128,7 +128,7 @@ void hw_error(const char *fmt, ...) /* * The chosen accelerator is supposed to register this. */ -static const CpusAccel *cpus_accel; +static const AccelOpsClass *cpus_accel; void cpu_synchronize_all_states(void) { @@ -594,11 +594,11 @@ void cpu_remove_sync(CPUState *cpu) qemu_mutex_lock_iothread(); } -void cpus_register_accel(const CpusAccel *ca) +void cpus_register_accel(const AccelOpsClass *ops) { - assert(ca != NULL); - assert(ca->create_vcpu_thread != NULL); /* mandatory */ - cpus_accel = ca; + assert(ops != NULL); + assert(ops->create_vcpu_thread != NULL); /* mandatory */ + cpus_accel = ops; } void qemu_init_vcpu(CPUState *cpu) @@ -618,7 +618,7 @@ void qemu_init_vcpu(CPUState *cpu) cpu_address_space_init(cpu, 0, "cpu-memory", cpu->memory); } - /* accelerators all implement the CpusAccel interface */ + /* accelerators all implement the AccelOpsClass */ g_assert(cpus_accel != NULL && cpus_accel->create_vcpu_thread != NULL); cpus_accel->create_vcpu_thread(cpu); diff --git a/softmmu/memory.c b/softmmu/memory.c index 676c298b60..c0c814fbb9 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -32,7 +32,7 @@ #include "sysemu/kvm.h" #include "sysemu/runstate.h" #include "sysemu/tcg.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "hw/boards.h" #include "migration/vmstate.h" diff --git a/softmmu/physmem.c b/softmmu/physmem.c index 60760a3bdc..243c3097d3 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -24,6 +24,11 @@ #include "qemu/cutils.h" #include "qemu/cacheflush.h" #include "cpu.h" + +#ifdef CONFIG_TCG +#include "hw/core/tcg-cpu-ops.h" +#endif /* CONFIG_TCG */ + #include "exec/exec-all.h" #include "exec/target_page.h" #include "hw/qdev-core.h" @@ -840,6 +845,7 @@ void cpu_watchpoint_remove_all(CPUState *cpu, int mask) } } +#ifdef CONFIG_TCG /* Return true if this watchpoint address matches the specified * access (ie the address range covered by the watchpoint overlaps * partially or completely with the address range covered by the @@ -873,6 +879,80 @@ int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len) return ret; } +/* Generate a debug exception if a watchpoint has been hit. */ +void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len, + MemTxAttrs attrs, int flags, uintptr_t ra) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); + CPUWatchpoint *wp; + + assert(tcg_enabled()); + if (cpu->watchpoint_hit) { + /* + * We re-entered the check after replacing the TB. + * Now raise the debug interrupt so that it will + * trigger after the current instruction. + */ + qemu_mutex_lock_iothread(); + cpu_interrupt(cpu, CPU_INTERRUPT_DEBUG); + qemu_mutex_unlock_iothread(); + return; + } + + if (cc->tcg_ops->adjust_watchpoint_address) { + /* this is currently used only by ARM BE32 */ + addr = cc->tcg_ops->adjust_watchpoint_address(cpu, addr, len); + } + QTAILQ_FOREACH(wp, &cpu->watchpoints, entry) { + if (watchpoint_address_matches(wp, addr, len) + && (wp->flags & flags)) { + if (replay_running_debug()) { + /* + * Don't process the watchpoints when we are + * in a reverse debugging operation. + */ + replay_breakpoint(); + return; + } + if (flags == BP_MEM_READ) { + wp->flags |= BP_WATCHPOINT_HIT_READ; + } else { + wp->flags |= BP_WATCHPOINT_HIT_WRITE; + } + wp->hitaddr = MAX(addr, wp->vaddr); + wp->hitattrs = attrs; + if (!cpu->watchpoint_hit) { + if (wp->flags & BP_CPU && cc->tcg_ops->debug_check_watchpoint && + !cc->tcg_ops->debug_check_watchpoint(cpu, wp)) { + wp->flags &= ~BP_WATCHPOINT_HIT; + continue; + } + cpu->watchpoint_hit = wp; + + mmap_lock(); + tb_check_watchpoint(cpu, ra); + if (wp->flags & BP_STOP_BEFORE_ACCESS) { + cpu->exception_index = EXCP_DEBUG; + mmap_unlock(); + cpu_loop_exit_restore(cpu, ra); + } else { + /* Force execution of one insn next time. */ + cpu->cflags_next_tb = 1 | curr_cflags(); + mmap_unlock(); + if (ra) { + cpu_restore_state(cpu, ra, true); + } + cpu_loop_exit_noexc(cpu); + } + } + } else { + wp->flags &= ~BP_WATCHPOINT_HIT; + } + } +} + +#endif /* CONFIG_TCG */ + /* Called from RCU critical section */ static RAMBlock *qemu_get_ram_block(ram_addr_t addr) { @@ -2359,75 +2439,6 @@ ram_addr_t qemu_ram_addr_from_host(void *ptr) return block->offset + offset; } -/* Generate a debug exception if a watchpoint has been hit. */ -void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len, - MemTxAttrs attrs, int flags, uintptr_t ra) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - CPUWatchpoint *wp; - - assert(tcg_enabled()); - if (cpu->watchpoint_hit) { - /* - * We re-entered the check after replacing the TB. - * Now raise the debug interrupt so that it will - * trigger after the current instruction. - */ - qemu_mutex_lock_iothread(); - cpu_interrupt(cpu, CPU_INTERRUPT_DEBUG); - qemu_mutex_unlock_iothread(); - return; - } - - addr = cc->adjust_watchpoint_address(cpu, addr, len); - QTAILQ_FOREACH(wp, &cpu->watchpoints, entry) { - if (watchpoint_address_matches(wp, addr, len) - && (wp->flags & flags)) { - if (replay_running_debug()) { - /* - * Don't process the watchpoints when we are - * in a reverse debugging operation. - */ - replay_breakpoint(); - return; - } - if (flags == BP_MEM_READ) { - wp->flags |= BP_WATCHPOINT_HIT_READ; - } else { - wp->flags |= BP_WATCHPOINT_HIT_WRITE; - } - wp->hitaddr = MAX(addr, wp->vaddr); - wp->hitattrs = attrs; - if (!cpu->watchpoint_hit) { - if (wp->flags & BP_CPU && - !cc->debug_check_watchpoint(cpu, wp)) { - wp->flags &= ~BP_WATCHPOINT_HIT; - continue; - } - cpu->watchpoint_hit = wp; - - mmap_lock(); - tb_check_watchpoint(cpu, ra); - if (wp->flags & BP_STOP_BEFORE_ACCESS) { - cpu->exception_index = EXCP_DEBUG; - mmap_unlock(); - cpu_loop_exit_restore(cpu, ra); - } else { - /* Force execution of one insn next time. */ - cpu->cflags_next_tb = 1 | curr_cflags(); - mmap_unlock(); - if (ra) { - cpu_restore_state(cpu, ra, true); - } - cpu_loop_exit_noexc(cpu); - } - } - } else { - wp->flags &= ~BP_WATCHPOINT_HIT; - } - } -} - static MemTxResult flatview_read(FlatView *fv, hwaddr addr, MemTxAttrs attrs, void *buf, hwaddr len); static MemTxResult flatview_write(FlatView *fv, hwaddr addr, MemTxAttrs attrs, diff --git a/softmmu/qtest.c b/softmmu/qtest.c index 7965dc9a16..130c366615 100644 --- a/softmmu/qtest.c +++ b/softmmu/qtest.c @@ -20,7 +20,7 @@ #include "exec/ioport.h" #include "exec/memory.h" #include "hw/irq.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/cpu-timers.h" #include "qemu/config-file.h" #include "qemu/option.h" diff --git a/softmmu/vl.c b/softmmu/vl.c index bd55468669..2bf94ece9c 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -44,7 +44,7 @@ #include "qemu/error-report.h" #include "qemu/sockets.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "hw/usb.h" #include "hw/isa/isa.h" #include "hw/scsi/scsi.h" @@ -1726,7 +1726,8 @@ static bool object_create_early(const char *type, QemuOpts *opts) return false; } - /* Allocation of large amounts of memory may delay + /* + * Allocation of large amounts of memory may delay * chardev initialization for too long, and trigger timeouts * on software that waits for a monitor socket to be created * (e.g. libvirt). @@ -3497,7 +3498,7 @@ void qemu_init(int argc, char **argv, char **envp) * * Machine compat properties: object_set_machine_compat_props(). * Accelerator compat props: object_set_accelerator_compat_props(), - * called from configure_accelerator(). + * called from do_configure_accelerator(). */ machine_class = MACHINE_GET_CLASS(current_machine); @@ -3519,6 +3520,8 @@ void qemu_init(int argc, char **argv, char **envp) if (cpu_option) { current_machine->cpu_type = parse_cpu_option(cpu_option); } + /* NB: for machine none cpu_type could STILL be NULL here! */ + accel_init_interfaces(ACCEL_GET_CLASS(current_machine->accelerator)); qemu_resolve_machine_memdev(); parse_numa_opts(current_machine); |