[MIPS] R3000 setup for kernel_thread()
Match the R4000 semantics for the initial state of interrupt/kernel status register flags for the R3000 in kernel_thread(). Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -231,8 +231,8 @@ long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
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regs.cp0_epc = (unsigned long) kernel_thread_helper;
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regs.cp0_epc = (unsigned long) kernel_thread_helper;
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regs.cp0_status = read_c0_status();
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regs.cp0_status = read_c0_status();
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#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
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#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
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regs.cp0_status &= ~(ST0_KUP | ST0_IEC);
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regs.cp0_status = (regs.cp0_status & ~(ST0_KUP | ST0_IEP | ST0_IEC)) |
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regs.cp0_status |= ST0_IEP;
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((regs.cp0_status & (ST0_KUC | ST0_IEC)) << 2);
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#else
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#else
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regs.cp0_status |= ST0_EXL;
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regs.cp0_status |= ST0_EXL;
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#endif
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#endif
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