diff options
Diffstat (limited to 'include/bl31/interrupt_mgmt.h')
| -rw-r--r-- | include/bl31/interrupt_mgmt.h | 89 |
1 files changed, 40 insertions, 49 deletions
diff --git a/include/bl31/interrupt_mgmt.h b/include/bl31/interrupt_mgmt.h index e07ddf83..cccad3ad 100644 --- a/include/bl31/interrupt_mgmt.h +++ b/include/bl31/interrupt_mgmt.h @@ -1,31 +1,7 @@ /* - * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. + * SPDX-License-Identifier: BSD-3-Clause */ #ifndef __INTERRUPT_MGMT_H__ @@ -36,16 +12,21 @@ /******************************************************************************* * Constants for the types of interrupts recognised by the IM framework ******************************************************************************/ -#define INTR_TYPE_S_EL1 0 -#define INTR_TYPE_EL3 1 -#define INTR_TYPE_NS 2 -#define MAX_INTR_TYPES 3 +#define INTR_TYPE_S_EL1 U(0) +#define INTR_TYPE_EL3 U(1) +#define INTR_TYPE_NS U(2) +#define MAX_INTR_TYPES U(3) #define INTR_TYPE_INVAL MAX_INTR_TYPES + +/* Interrupt routing modes */ +#define INTR_ROUTING_MODE_PE 0 +#define INTR_ROUTING_MODE_ANY 1 + /* * Constant passed to the interrupt handler in the 'id' field when the * framework does not read the gic registers to determine the interrupt id. */ -#define INTR_ID_UNAVAILABLE 0xFFFFFFFF +#define INTR_ID_UNAVAILABLE U(0xFFFFFFFF) /******************************************************************************* @@ -53,33 +34,37 @@ * constants to define the valid routing models for each supported interrupt * type ******************************************************************************/ -#define INTR_RM_FLAGS_SHIFT 0x0 -#define INTR_RM_FLAGS_MASK 0x3 +#define INTR_RM_FLAGS_SHIFT U(0x0) +#define INTR_RM_FLAGS_MASK U(0x3) /* Routed to EL3 from NS. Taken to S-EL1 from Secure */ -#define INTR_SEL1_VALID_RM0 0x2 +#define INTR_SEL1_VALID_RM0 U(0x2) /* Routed to EL3 from NS and Secure */ -#define INTR_SEL1_VALID_RM1 0x3 +#define INTR_SEL1_VALID_RM1 U(0x3) /* Routed to EL1/EL2 from NS and to S-EL1 from Secure */ -#define INTR_NS_VALID_RM0 0x0 +#define INTR_NS_VALID_RM0 U(0x0) /* Routed to EL1/EL2 from NS and to EL3 from Secure */ -#define INTR_NS_VALID_RM1 0x1 +#define INTR_NS_VALID_RM1 U(0x1) +/* Routed to EL3 from NS. Taken to S-EL1 from Secure and handed over to EL3 */ +#define INTR_EL3_VALID_RM0 U(0x2) +/* Routed to EL3 from NS and Secure */ +#define INTR_EL3_VALID_RM1 U(0x3) /* This is the default routing model */ -#define INTR_DEFAULT_RM 0x0 +#define INTR_DEFAULT_RM U(0x0) /******************************************************************************* * Constants for the _individual_ routing model bits in the 'flags' field for * each interrupt type and mask to validate the 'flags' parameter while * registering an interrupt handler ******************************************************************************/ -#define INTR_TYPE_FLAGS_MASK 0xFFFFFFFC +#define INTR_TYPE_FLAGS_MASK U(0xFFFFFFFC) #define INTR_RM_FROM_SEC_SHIFT SECURE /* BIT[0] */ #define INTR_RM_FROM_NS_SHIFT NON_SECURE /* BIT[1] */ -#define INTR_RM_FROM_FLAG_MASK 1 +#define INTR_RM_FROM_FLAG_MASK U(1) #define get_interrupt_rm_flag(flag, ss) (((flag >> INTR_RM_FLAGS_SHIFT) >> ss) \ & INTR_RM_FROM_FLAG_MASK) -#define set_interrupt_rm_flag(flag, ss) (flag |= 1 << ss) -#define clr_interrupt_rm_flag(flag, ss) (flag &= ~(1 << ss)) +#define set_interrupt_rm_flag(flag, ss) (flag |= U(1) << ss) +#define clr_interrupt_rm_flag(flag, ss) (flag &= ~(U(1) << ss)) /******************************************************************************* @@ -87,12 +72,16 @@ * of interrupt. If the model does not match one of the valid masks * -EINVAL is returned. ******************************************************************************/ -#define validate_sel1_interrupt_rm(x) (x == INTR_SEL1_VALID_RM0 ? 0 : \ - (x == INTR_SEL1_VALID_RM1 ? 0 :\ +#define validate_sel1_interrupt_rm(x) ((x) == INTR_SEL1_VALID_RM0 ? 0 : \ + ((x) == INTR_SEL1_VALID_RM1 ? 0 :\ -EINVAL)) -#define validate_ns_interrupt_rm(x) (x == INTR_NS_VALID_RM0 ? 0 : \ - (x == INTR_NS_VALID_RM1 ? 0 :\ +#define validate_ns_interrupt_rm(x) ((x) == INTR_NS_VALID_RM0 ? 0 : \ + ((x) == INTR_NS_VALID_RM1 ? 0 :\ + -EINVAL)) + +#define validate_el3_interrupt_rm(x) ((x) == INTR_EL3_VALID_RM0 ? 0 : \ + ((x) == INTR_EL3_VALID_RM1 ? 0 :\ -EINVAL)) /******************************************************************************* @@ -100,15 +89,17 @@ * the flag to indicate the security state when the exception was generated is * supported. ******************************************************************************/ -#define INTR_SRC_SS_FLAG_SHIFT 0 /* BIT[0] */ -#define INTR_SRC_SS_FLAG_MASK 1 +#define INTR_SRC_SS_FLAG_SHIFT U(0) /* BIT[0] */ +#define INTR_SRC_SS_FLAG_MASK U(1) #define set_interrupt_src_ss(flag, val) (flag |= val << INTR_SRC_SS_FLAG_SHIFT) -#define clr_interrupt_src_ss(flag) (flag &= ~(1 << INTR_SRC_SS_FLAG_SHIFT)) +#define clr_interrupt_src_ss(flag) (flag &= ~(U(1) << INTR_SRC_SS_FLAG_SHIFT)) #define get_interrupt_src_ss(flag) ((flag >> INTR_SRC_SS_FLAG_SHIFT) & \ INTR_SRC_SS_FLAG_MASK) #ifndef __ASSEMBLY__ +#include <stdint.h> + /* Prototype for defining a handler for an interrupt type */ typedef uint64_t (*interrupt_type_handler_t)(uint32_t id, uint32_t flags, |