53 lines
1006 B
C
53 lines
1006 B
C
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/*
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* Copyright (c) 2019-2020 Cobham Gaisler AB
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <kernel_internal.h>
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#include <kswap.h>
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#include <logging/log.h>
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LOG_MODULE_DECLARE(os);
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FUNC_NORETURN void z_irq_spurious(const void *unused)
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{
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uint32_t tbr;
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ARG_UNUSED(unused);
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__asm__ volatile (
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"rd %%tbr, %0" :
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"=r" (tbr)
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);
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LOG_ERR("Spurious interrupt detected! IRQ: %d", (tbr >> 4) & 0xf);
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z_sparc_fatal_error(K_ERR_SPURIOUS_IRQ, NULL);
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}
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void z_sparc_enter_irq(uint32_t irl)
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{
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struct _isr_table_entry *ite;
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_current_cpu->nested++;
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#ifdef CONFIG_IRQ_OFFLOAD
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if (irl != 141) {
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irl = z_sparc_int_get_source(irl);
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ite = &_sw_isr_table[irl];
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ite->isr(ite->arg);
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} else {
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z_irq_do_offload();
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}
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#else
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/* Get the actual interrupt source from the interrupt controller */
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irl = z_sparc_int_get_source(irl);
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ite = &_sw_isr_table[irl];
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ite->isr(ite->arg);
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#endif
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_current_cpu->nested--;
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#ifdef CONFIG_STACK_SENTINEL
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z_check_stack_sentinel();
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#endif
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}
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