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42 lines
863 B
42 lines
863 B
/* |
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* Copyright 2016, Imagination Technologies Limited and/or its |
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* affiliated group companies. |
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* This file is subject to the terms and conditions of the GNU Lesser |
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* General Public License v2.1. See the file LICENSE in the top level |
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* directory for more details. |
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*/ |
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#include <mips/m32c0.h> |
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#include "arch/irq_arch.h" |
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unsigned int irq_arch_enable(void) |
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{ |
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unsigned int status; |
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__asm__ volatile ("ei %0" : "=r" (status)); |
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return status; |
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} |
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unsigned int irq_arch_disable(void) |
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{ |
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unsigned int status; |
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__asm__ volatile ("di %0" : "=r" (status)); |
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return status; |
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} |
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void irq_arch_restore(unsigned int state) |
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{ |
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if (state & SR_IE) { |
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mips32_bs_c0(C0_STATUS, SR_IE); |
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} |
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else { |
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mips32_bc_c0(C0_STATUS, SR_IE); |
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} |
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} |
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int irq_arch_in(void) |
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{ |
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return (mips32_get_c0(C0_STATUS) & SR_EXL) != 0; |
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}
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