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target/cris: Fix use_goto_tb

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Do not skip the page check for user-only -- mmap/mprotect can
still change page mappings.  Only check dc->base.pc_first, not
dc->ppc -- the start page is the only one that's relevant.

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-06-20 11:39:52 -07:00
parent 1dd09c47f6
commit 06188c8981
1 changed files with 2 additions and 7 deletions
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9
target/cris/translate.c
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@ -524,14 +524,9 @@ static void t_gen_cc_jmp(TCGv pc_true, TCGv pc_false)
gen_set_label(l1); gen_set_label(l1);
} }
static inline bool use_goto_tb(DisasContext *dc, target_ulong dest) static bool use_goto_tb(DisasContext *dc, target_ulong dest)
{ {
#ifndef CONFIG_USER_ONLY return ((dest ^ dc->base.pc_first) & TARGET_PAGE_MASK) == 0;
return (dc->base.pc_first & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) ||
(dc->ppc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
#else
return true;
#endif
} }
static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)