jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
linux-user/alpha: Set r20 secondary return value
This value is not, as far as I know, used by any linux software,
but it is set by the kernel and is part of the ABI.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191106113318.10226-13-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
authored by
Richard Henderson
and committed by
Laurent Vivier
5849dfe4
2ad983e0
+9
+9
linux-user/alpha/target_cpu.h
+9
linux-user/alpha/target_cpu.h
···
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}
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env->ir[IR_V0] = 0;
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env->ir[IR_A3] = 0;
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+
env->ir[IR_A4] = 1; /* OSF/1 secondary return: child */
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}
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static inline void cpu_clone_regs_parent(CPUAlphaState *env, unsigned flags)
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{
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/*
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* OSF/1 secondary return: parent
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* Note that the kernel does not do this if SETTLS, because the
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* settls argument register is still live after copy_thread.
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*/
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if (!(flags & CLONE_SETTLS)) {
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env->ir[IR_A4] = 0;
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}
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}
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static inline void cpu_set_tls(CPUAlphaState *env, target_ulong newtls)