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target/mips: Honour -semihosting-config userspace=on

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Honour the commandline -semihosting-config userspace=on option,
instead of always permitting userspace semihosting calls in system
emulation mode, by passing the correct value to the is_userspace
argument of semihosting_enabled().

Note that this is a behaviour change: if the user wants to
do semihosting calls from userspace they must now specifically
enable them on the command line.

MIPS semihosting is not implemented for linux-user builds.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822141230.3658237-5-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Maydell 2022-08-22 15:12:27 +01:00 • committed by Richard Henderson
parent a52417e1ee
commit b35d74015b
4 changed files with 11 additions and 10 deletions
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2
target/mips/tcg/mips16e_translate.c.inc
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@ -951,7 +951,7 @@ static int decode_ase_mips16e(CPUMIPSState *env, DisasContext *ctx)
}
break;
case RR_SDBBP:
if (is_uhi(extract32(ctx->opcode, 5, 6))) {
if (is_uhi(ctx, extract32(ctx->opcode, 5, 6))) {
ctx->base.is_jmp = DISAS_SEMIHOST;
} else {
/*