Message ID | 20241010063536.2276871-1-gaosong@loongson.cn (mailing list archive) |
---|---|
Headers | show |
Series | LoongArch/tcg: Add hardware page table walker support | expand |
Ping! 在 2024/10/10 下午2:35, Song Gao 写道: > Loongson-3A6000 and newer processors have hardware page table walker > (PTW) support. PTW can handle all fastpaths of PIL/PIS/PIF/PIE > exceptions by hardware. > > V2: > - Remove the '21' magic value, patch1; > - Add a flag is_debug for debug access, patch5; > - Use qatomic_cmpxchg to change the new pte_val, patch5. > > Song Gao (5): > target/loongarch: Add a new cpu_type la664 > target/loongarch: Add do_lddir/ldpte() > target/loongarch: Add do_fill_tlb_entry() > target/loongarch: Add get_random_tlb_index() > target/loongarch/tcg: Add hardware page table walker support > > target/loongarch/cpu-csr.h | 3 + > target/loongarch/cpu.c | 51 ++++-- > target/loongarch/cpu.h | 1 + > target/loongarch/cpu_helper.c | 26 ++- > target/loongarch/internals.h | 4 +- > target/loongarch/tcg/tlb_helper.c | 277 ++++++++++++++++++++++++------ > 6 files changed, 293 insertions(+), 69 deletions(-) >