diff options
| author | Maxim Ostapenko <m.ostapenko@samsung.com> | 2016-07-08 15:47:42 +0300 |
|---|---|---|
| committer | Chan Lee <chan45.lee@samsung.com> | 2017-07-20 13:24:43 +0900 |
| commit | f3c26b303fc7c2b134e961a4e70855ff64842579 (patch) | |
| tree | db704dfe60158330a53f3967ff1411503eb19f3e | |
| parent | e5fcfa9186dc0e096b5ad4a85794fcc48e923464 (diff) | |
| download | qemu-sandbox/chanleebf/aarch64_fix.tar.gz qemu-sandbox/chanleebf/aarch64_fix.tar.bz2 qemu-sandbox/chanleebf/aarch64_fix.zip | |
ASan-related hack to speedup aarch64 builds.sandbox/chanleebf/aarch64_fix
Switch off memory pages checks in qemu if memory regions are mapped by ASan
Change-Id: I8233802ee35db00c799f5645072b8014f823b5c6
Signed-off-by: Maxim Ostapenko <m.ostapenko@samsung.com>
| -rw-r--r-- | translate-all.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/translate-all.c b/translate-all.c index 17f4260ba..64be03fc3 100644 --- a/translate-all.c +++ b/translate-all.c @@ -1083,6 +1083,16 @@ TranslationBlock *tb_gen_code(CPUState *cpu, void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end, int is_cpu_write_access) { +#if TARGET_LONG_SIZE == 8 + target_ulong asan_low_shadow_start = 0x0ffffff000; + target_ulong asan_shadow_gap_start = 0x1200000000; + target_ulong asan_high_shadow_start = 0x1400000000; + + if (start == asan_low_shadow_start || start == asan_shadow_gap_start + || start == asan_high_shadow_start) + return; +#endif + while (start < end) { tb_invalidate_phys_page_range(start, end, is_cpu_write_access); start &= TARGET_PAGE_MASK; @@ -1814,6 +1824,16 @@ void page_set_flags(target_ulong start, target_ulong end, int flags) flags |= PAGE_WRITE_ORG; } +#if TARGET_LONG_SIZE == 8 + target_ulong asan_low_shadow_start = 0x0ffffff000; + target_ulong asan_shadow_gap_start = 0x1200000000; + target_ulong asan_high_shadow_start = 0x1400000000; + + if (start == asan_low_shadow_start || start == asan_shadow_gap_start + || start == asan_high_shadow_start) + return; +#endif + for (addr = start, len = end - start; len != 0; len -= TARGET_PAGE_SIZE, addr += TARGET_PAGE_SIZE) { @@ -1855,6 +1875,16 @@ int page_check_range(target_ulong start, target_ulong len, int flags) end = TARGET_PAGE_ALIGN(start + len); start = start & TARGET_PAGE_MASK; +#if TARGET_LONG_SIZE == 8 + target_ulong asan_low_shadow_start = 0x0ffffff000; + target_ulong asan_shadow_gap_start = 0x1200000000; + target_ulong asan_high_shadow_start = 0x1400000000; + + if (start == asan_low_shadow_start || start == asan_shadow_gap_start + || start == asan_high_shadow_start) + return 0; +#endif + for (addr = start, len = end - start; len != 0; len -= TARGET_PAGE_SIZE, addr += TARGET_PAGE_SIZE) { |