diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 23 |
1 files changed, 11 insertions, 12 deletions
@@ -98,15 +98,15 @@ CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus); /* current CPU in the current thread. It is only valid inside cpu_exec() */ __thread CPUState *current_cpu; -/* 0 = Do not count executed instructions. - 1 = Precise instruction counting. - 2 = Adaptive rate instruction counting. */ -int use_icount; uintptr_t qemu_host_page_size; intptr_t qemu_host_page_mask; #if !defined(CONFIG_USER_ONLY) +/* 0 = Do not count executed instructions. + 1 = Precise instruction counting. + 2 = Adaptive rate instruction counting. */ +int use_icount; typedef struct PhysPageEntry PhysPageEntry; @@ -1019,14 +1019,13 @@ void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs) static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) { - MemTxAttrs attrs; - hwaddr phys = cpu_get_phys_page_attrs_debug(cpu, pc, &attrs); - int asidx = cpu_asidx_from_attrs(cpu, attrs); - if (phys != -1) { - /* Locks grabbed by tb_invalidate_phys_addr */ - tb_invalidate_phys_addr(cpu->cpu_ases[asidx].as, - phys | (pc & ~TARGET_PAGE_MASK), attrs); - } + /* + * There may not be a virtual to physical translation for the pc + * right now, but there may exist cached TB for this pc. + * Flush the whole TB cache to force re-translation of such TBs. + * This is heavyweight, but we're debugging anyway. + */ + tb_flush(cpu); } #endif |