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Add translator_use_goto_tb.

Browse source 
Cleanups in prep of breakpoint fixes.
 Misc fixes.
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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210710' into staging

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 11:02:38 +01:00
commit bd38ae26ce
46 changed files with 217 additions and 439 deletions
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21
target/mips/tcg/translate.c
View file

@ -32,7 +32,6 @@
#include "semihosting/semihost.h"
#include "trace.h"
#include "trace-tcg.h"
#include "exec/translator.h"
#include "exec/log.h"
#include "qemu/qemu-print.h"
@ -4948,22 +4947,9 @@ static void gen_trap(DisasContext *ctx, uint32_t opc,
tcg_temp_free(t1);
}
static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
if (unlikely(ctx->base.singlestep_enabled)) {
return false;
}
#ifndef CONFIG_USER_ONLY
return (ctx->base.tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
#else
return true;
#endif
}
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
if (use_goto_tb(ctx, dest)) {
if (translator_use_goto_tb(&ctx->base, dest)) {
tcg_gen_goto_tb(n);
gen_save_pc(dest);
tcg_gen_exit_tb(ctx->base.tb, n);
@ -4972,8 +4958,9 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
if (ctx->base.singlestep_enabled) {
save_cpu_state(ctx, 0);
gen_helper_raise_exception_debug(cpu_env);
} else {
tcg_gen_lookup_and_goto_ptr();
}
tcg_gen_lookup_and_goto_ptr();
}
}