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target/mips: Extract break code into env->error_code

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Simplify cpu_loop by doing all of the decode in translate.

This fixes a bug in that cpu_loop was not handling the
different layout of the R6 version of break16.  This fixes
a bug in that cpu_loop extracted the wrong bits for the
mips16e break16 instruction.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220107213243.212806-17-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2022-01-07 13:32:35 -08:00 • committed by Laurent Vivier
parent 73c0aa6a85
commit 6f3533dd1b
5 changed files with 25 additions and 69 deletions
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target/mips/tcg/translate.h
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@ -129,6 +129,7 @@ enum {
void generate_exception(DisasContext *ctx, int excp);
void generate_exception_err(DisasContext *ctx, int excp, int err);
void generate_exception_end(DisasContext *ctx, int excp);
void generate_exception_break(DisasContext *ctx, int code);
void gen_reserved_instruction(DisasContext *ctx);
void check_insn(DisasContext *ctx, uint64_t flags);