diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-09-21 20:24:12 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-25 10:56:28 -0700 |
| commit | ae57db63acf5a0399232f852acc5c1d83ef63400 (patch) | |
| tree | a385f7b2d267ee95b40ff4fdc28958a00a147dcd /accel | |
| parent | 5a7c27bb8a50a1b441a5b4c9d8e65727edec7f27 (diff) | |
cputlb: Pass retaddr to tb_check_watchpoint
Fixes the previous TLB_WATCHPOINT patches because we are currently
failing to set cpu->mem_io_pc with the call to cpu_check_watchpoint.
Pass down the retaddr directly because it's readily available.
Fixes: 50b107c5d61
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/tcg/translate-all.c | 6 | ||||
| -rw-r--r-- | accel/tcg/translate-all.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index db77fb221b..66d4bc4341 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -2142,16 +2142,16 @@ static bool tb_invalidate_phys_page(tb_page_addr_t addr, uintptr_t pc) #endif /* user-mode: call with mmap_lock held */ -void tb_check_watchpoint(CPUState *cpu) +void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr) { TranslationBlock *tb; assert_memory_lock(); - tb = tcg_tb_lookup(cpu->mem_io_pc); + tb = tcg_tb_lookup(retaddr); if (tb) { /* We can use retranslation to find the PC. */ - cpu_restore_state_from_tb(cpu, tb, cpu->mem_io_pc, true); + cpu_restore_state_from_tb(cpu, tb, retaddr, true); tb_phys_invalidate(tb, -1); } else { /* The exception probably happened in a helper. The CPU state should diff --git a/accel/tcg/translate-all.h b/accel/tcg/translate-all.h index 135c1ea96a..a557b4e2bb 100644 --- a/accel/tcg/translate-all.h +++ b/accel/tcg/translate-all.h @@ -30,7 +30,7 @@ void tb_invalidate_phys_page_fast(struct page_collection *pages, tb_page_addr_t start, int len, uintptr_t retaddr); void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end); -void tb_check_watchpoint(CPUState *cpu); +void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr); #ifdef CONFIG_USER_ONLY int page_unprotect(target_ulong address, uintptr_t pc); |