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82cb2c1ad9
To make software license auditing simpler, use SPDX[0] license identifiers instead of duplicating the license text in every file. NOTE: Files that have been imported by FreeBSD have not been modified. [0]: https://spdx.org/ Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <bl_common.h>
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#include <gicv2.h>
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#include <interrupt_mgmt.h>
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uint32_t plat_ic_get_pending_interrupt_id(void)
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{
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return gicv2_get_pending_interrupt_id();
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}
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uint32_t plat_ic_get_pending_interrupt_type(void)
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{
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return gicv2_get_pending_interrupt_type();
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}
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uint32_t plat_ic_acknowledge_interrupt(void)
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{
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return gicv2_acknowledge_interrupt();
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}
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uint32_t plat_ic_get_interrupt_type(uint32_t id)
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{
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uint32_t group;
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group = gicv2_get_interrupt_group(id);
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/* Assume that all secure interrupts are S-EL1 interrupts */
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if (!group)
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return INTR_TYPE_S_EL1;
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else
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return INTR_TYPE_NS;
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}
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void plat_ic_end_of_interrupt(uint32_t id)
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{
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gicv2_end_of_interrupt(id);
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}
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uint32_t plat_interrupt_type_to_line(uint32_t type,
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uint32_t security_state)
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{
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assert(type == INTR_TYPE_S_EL1 ||
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type == INTR_TYPE_EL3 ||
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type == INTR_TYPE_NS);
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assert(sec_state_is_valid(security_state));
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/* Non-secure interrupts are signalled on the IRQ line always */
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if (type == INTR_TYPE_NS)
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return __builtin_ctz(SCR_IRQ_BIT);
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/*
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* Secure interrupts are signalled using the IRQ line if the FIQ_EN
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* bit is not set else they are signalled using the FIQ line.
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*/
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if (gicv2_is_fiq_enabled())
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return __builtin_ctz(SCR_FIQ_BIT);
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else
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return __builtin_ctz(SCR_IRQ_BIT);
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}
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