add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/sh/kernel/signal_32.c
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@@ -115,6 +115,7 @@
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 restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p)
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 {
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 	unsigned int err = 0;
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+	unsigned int sr = regs->sr & ~SR_USER_MASK;
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 #define COPY(x)		err |= __get_user(regs->x, &sc->sc_##x)
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 			COPY(regs[1]);
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@@ -130,6 +131,8 @@
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 	COPY(sr);	COPY(pc);
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 #undef COPY
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+	regs->sr = (regs->sr & SR_USER_MASK) | sr;
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+
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 #ifdef CONFIG_SH_FPU
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 	if (boot_cpu_data.flags & CPU_HAS_FPU) {
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 		int owned_fp;