diff options
| -rw-r--r-- | accel/tcg/translate-all.c | 51 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 3 |
2 files changed, 15 insertions, 39 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 72b3c663c5..464b3c3394 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -410,12 +410,6 @@ bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit) TranslationBlock *tb = tcg_tb_lookup(host_pc); if (tb) { cpu_restore_state_from_tb(cpu, tb, host_pc, will_exit); - if (tb_cflags(tb) & CF_NOCACHE) { - /* one-shot translation, invalidate it immediately */ - tb_phys_invalidate(tb, -1); - tcg_tb_remove(tb); - tb_destroy(tb); - } return true; } } @@ -1634,8 +1628,7 @@ static void do_tb_phys_invalidate(TranslationBlock *tb, bool rm_from_page_list) phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK); h = tb_hash_func(phys_pc, tb->pc, tb->flags, tb_cflags(tb) & CF_HASH_MASK, tb->trace_vcpu_dstate); - if (!(tb->cflags & CF_NOCACHE) && - !qht_remove(&tb_ctx.htable, tb, h)) { + if (!qht_remove(&tb_ctx.htable, tb, h)) { return; } @@ -1796,6 +1789,8 @@ tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc, { PageDesc *p; PageDesc *p2 = NULL; + void *existing_tb = NULL; + uint32_t h; assert_memory_lock(); @@ -1815,25 +1810,20 @@ tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc, tb->page_addr[1] = -1; } - if (!(tb->cflags & CF_NOCACHE)) { - void *existing_tb = NULL; - uint32_t h; - - /* add in the hash table */ - h = tb_hash_func(phys_pc, tb->pc, tb->flags, tb->cflags & CF_HASH_MASK, - tb->trace_vcpu_dstate); - qht_insert(&tb_ctx.htable, tb, h, &existing_tb); + /* add in the hash table */ + h = tb_hash_func(phys_pc, tb->pc, tb->flags, tb->cflags & CF_HASH_MASK, + tb->trace_vcpu_dstate); + qht_insert(&tb_ctx.htable, tb, h, &existing_tb); - /* remove TB from the page(s) if we couldn't insert it */ - if (unlikely(existing_tb)) { - tb_page_remove(p, tb); - invalidate_page_bitmap(p); - if (p2) { - tb_page_remove(p2, tb); - invalidate_page_bitmap(p2); - } - tb = existing_tb; + /* remove TB from the page(s) if we couldn't insert it */ + if (unlikely(existing_tb)) { + tb_page_remove(p, tb); + invalidate_page_bitmap(p); + if (p2) { + tb_page_remove(p2, tb); + invalidate_page_bitmap(p2); } + tb = existing_tb; } if (p2 && p2 != p) { @@ -1906,7 +1896,6 @@ TranslationBlock *tb_gen_code(CPUState *cpu, tb->cs_base = cs_base; tb->flags = flags; tb->cflags = cflags; - tb->orig_tb = NULL; tb->trace_vcpu_dstate = *cpu->trace_dstate; tcg_ctx->tb_cflags = cflags; tb_overflow: @@ -2445,16 +2434,6 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr) /* Generate a new TB executing the I/O insn. */ cpu->cflags_next_tb = curr_cflags() | CF_LAST_IO | n; - if (tb_cflags(tb) & CF_NOCACHE) { - if (tb->orig_tb) { - /* Invalidate original TB if this TB was generated in - * cpu_exec_nocache() */ - tb_phys_invalidate(tb->orig_tb, -1); - } - tcg_tb_remove(tb); - tb_destroy(tb); - } - qemu_log_mask_and_addr(CPU_LOG_EXEC, tb->pc, "cpu_io_recompile: rewound execution of TB to " TARGET_FMT_lx "\n", tb->pc); diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index d30c7a84f6..665fe68607 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -454,7 +454,6 @@ struct TranslationBlock { uint32_t cflags; /* compile flags */ #define CF_COUNT_MASK 0x00007fff #define CF_LAST_IO 0x00008000 /* Last insn may be an IO access. */ -#define CF_NOCACHE 0x00010000 /* To be freed after execution */ #define CF_USE_ICOUNT 0x00020000 #define CF_INVALID 0x00040000 /* TB is stale. Set with @jmp_lock held */ #define CF_PARALLEL 0x00080000 /* Generate code for a parallel context */ @@ -469,8 +468,6 @@ struct TranslationBlock { struct tb_tc tc; - /* original tb when cflags has CF_NOCACHE */ - struct TranslationBlock *orig_tb; /* first and second physical page containing code. The lower bit of the pointer tells the index in page_next[]. The list is protected by the TB's page('s) lock(s) */ |