diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-05-02 00:11:25 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-06-28 10:13:42 +0530 |
| commit | 8ec7e3c53d48c61e31dd251b84a2b8190a14542d (patch) | |
| tree | ec68ebf0e3cc334babb1d5c6b3d23efdf520108e /target/mips/tcg/translate.c | |
| parent | a638af09b6c6b1259803a377a53ef242c5af6af5 (diff) | |
target/mips: Use an exception for semihosting
Within do_interrupt, we hold the iothread lock, which
is required for Chardev access for the console, and for
the round trip for use_gdb_syscalls().
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/mips/tcg/translate.c')
| -rw-r--r-- | target/mips/tcg/translate.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index 5f460fb687..d9d7692765 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -12094,14 +12094,6 @@ static inline bool is_uhi(int sdbbp_code) #endif } -#ifdef CONFIG_USER_ONLY -/* The above should dead-code away any calls to this..*/ -static inline void gen_helper_do_semihosting(void *env) -{ - g_assert_not_reached(); -} -#endif - void gen_ldxs(DisasContext *ctx, int base, int index, int rd) { TCGv t0 = tcg_temp_new(); @@ -13910,7 +13902,7 @@ static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx) break; case R6_OPC_SDBBP: if (is_uhi(extract32(ctx->opcode, 6, 20))) { - gen_helper_do_semihosting(cpu_env); + generate_exception_end(ctx, EXCP_SEMIHOST); } else { if (ctx->hflags & MIPS_HFLAG_SBRI) { gen_reserved_instruction(ctx); @@ -14322,7 +14314,7 @@ static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) break; case OPC_SDBBP: if (is_uhi(extract32(ctx->opcode, 6, 20))) { - gen_helper_do_semihosting(cpu_env); + generate_exception_end(ctx, EXCP_SEMIHOST); } else { /* * XXX: not clear which exception should be raised |