41342c0a12
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/****************************************************************************
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* arch/sim/include/irq.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* This file should never be included directly but, rather,
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* only indirectly through nuttx/irq.h
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*/
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#ifndef __ARCH_SIM_INCLUDE_IRQ_H
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#define __ARCH_SIM_INCLUDE_IRQ_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define NR_IRQS 64
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/* Number of registers saved in context switch */
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#if defined(CONFIG_HOST_X86_64) && !defined(CONFIG_SIM_M32)
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/* Storage order: %rbx, %rsp, %rbp, %r12, %r13, %r14, %r15, %rip */
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# define XCPTCONTEXT_REGS 8
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# define XCPTCONTEXT_SIZE (8 * XCPTCONTEXT_REGS)
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#elif defined(CONFIG_HOST_X86) || defined(CONFIG_SIM_M32)
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/* Storage order: %ebx, %esi, %edi, %ebp, sp, and return PC */
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# define XCPTCONTEXT_REGS 6
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# define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS)
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#elif defined(CONFIG_HOST_ARM)
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# define XCPTCONTEXT_REGS 16
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# define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS)
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#if defined(CONFIG_HOST_X86_64) && !defined(CONFIG_SIM_M32)
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typedef unsigned long xcpt_reg_t;
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#else
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typedef unsigned int xcpt_reg_t;
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#endif
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/* This struct defines the way the registers are stored */
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struct xcptcontext
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{
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void *sigdeliver; /* Actual type is sig_deliver_t */
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xcpt_reg_t regs[XCPTCONTEXT_REGS];
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};
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/* Name: up_irq_save, up_irq_restore, and friends.
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*
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* NOTE: These functions should never be called from application code and,
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* as a general rule unless you really know what you are doing, this
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* function should not be called directly from operation system code either:
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* Typically, the wrapper functions, enter_critical_section() and
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* leave_critical section(), are probably what you really want.
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*/
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irqstate_t up_irq_save(void);
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void up_irq_restore(irqstate_t flags);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__ASSEMBLY__ */
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#endif /* __ARCH_SIM_INCLUDE_IRQ_H */
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