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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210710' into staging

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Add translator_use_goto_tb.
Cleanups in prep of breakpoint fixes.
Misc fixes.

# gpg: Signature made Sat 10 Jul 2021 16:29:14 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20210710: (41 commits)
  cpu: Add breakpoint tracepoints
  tcg: Remove TCG_TARGET_HAS_goto_ptr
  accel/tcg: Log tb->cflags with -d exec
  accel/tcg: Split out log_cpu_exec
  accel/tcg: Move tb_lookup to cpu-exec.c
  accel/tcg: Move helper_lookup_tb_ptr to cpu-exec.c
  target/i386: Use cpu_breakpoint_test in breakpoint_handler
  tcg: Fix prologue disassembly
  target/xtensa: Use translator_use_goto_tb
  target/tricore: Use tcg_gen_lookup_and_goto_ptr
  target/tricore: Use translator_use_goto_tb
  target/sparc: Use translator_use_goto_tb
  target/sh4: Use translator_use_goto_tb
  target/s390x: Remove use_exit_tb
  target/s390x: Use translator_use_goto_tb
  target/rx: Use translator_use_goto_tb
  target/riscv: Use translator_use_goto_tb
  target/ppc: Use translator_use_goto_tb
  target/openrisc: Use translator_use_goto_tb
  target/nios2: Use translator_use_goto_tb
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
2021-07-12 11:02:39 +01:00
parent d1987c8114 ad1a706f38
commit bd38ae26ce
46 changed files with 217 additions and 439 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/exec/translator.h
+10
View File
@@ -145,6 +145,16 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
void translator_loop_temp_check(DisasContextBase *db);
/**
* translator_use_goto_tb
* @db: Disassembly context
* @dest: target pc of the goto
*
* Return true if goto_tb is allowed between the current TB
* and the destination PC.
*/
bool translator_use_goto_tb(DisasContextBase *db, target_ulong dest);
/*
* Translator Load Functions
*
include/tcg/tcg-opc.h
+1 -2
View File
@@ -194,8 +194,7 @@ DEF(insn_start, 0, 0, TLADDR_ARGS * TARGET_INSN_START_WORDS,
TCG_OPF_NOT_PRESENT)
DEF(exit_tb, 0, 0, 1, TCG_OPF_BB_EXIT | TCG_OPF_BB_END)
DEF(goto_tb, 0, 0, 1, TCG_OPF_BB_EXIT | TCG_OPF_BB_END)
DEF(goto_ptr, 0, 1, 0,
TCG_OPF_BB_EXIT | TCG_OPF_BB_END | IMPL(TCG_TARGET_HAS_goto_ptr))
DEF(goto_ptr, 0, 1, 0, TCG_OPF_BB_EXIT | TCG_OPF_BB_END)
DEF(plugin_cb_start, 0, 0, 3, TCG_OPF_NOT_PRESENT)
DEF(plugin_cb_end, 0, 0, 0, TCG_OPF_NOT_PRESENT)
include/tcg/tcg.h
-4
View File
@@ -579,8 +579,6 @@ struct TCGContext {
/* Threshold to flush the translated code buffer. */
void *code_gen_highwater;
size_t tb_phys_invalidate_count;
/* Track which vCPU triggers events */
CPUState *cpu; /* *_trans */
@@ -808,7 +806,6 @@ void *tcg_malloc_internal(TCGContext *s, int size);
void tcg_pool_reset(TCGContext *s);
TranslationBlock *tcg_tb_alloc(TCGContext *s);
void tb_destroy(TranslationBlock *tb);
void tcg_region_reset_all(void);
size_t tcg_code_size(void);
@@ -816,7 +813,6 @@ size_t tcg_code_capacity(void);
void tcg_tb_insert(TranslationBlock *tb);
void tcg_tb_remove(TranslationBlock *tb);
size_t tcg_tb_phys_invalidate_count(void);
TranslationBlock *tcg_tb_lookup(uintptr_t tc_ptr);
void tcg_tb_foreach(GTraverseFunc func, gpointer user_data);
size_t tcg_nb_tbs(void);