* arch/misoc/include/lm32/irq.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_MISOC_INCLUDE_LM32_IRQ_H
#define __ARCH_MISOC_INCLUDE_LM32_IRQ_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <arch/types.h>
* Pre-processor Definitions
****************************************************************************/
#define LM32_NINTERRUPTS 32
#define LM32_IRQ_SWINT 32
#define NR_IRQS 33
#define REG_X0_NDX 0
#define REG_X1_NDX 1
#define REG_X2_NDX 2
#define REG_X3_NDX 3
#define REG_X4_NDX 4
#define REG_X5_NDX 5
#define REG_X6_NDX 6
#define REG_X7_NDX 7
#define REG_X8_NDX 8
#define REG_X9_NDX 9
#define REG_X10_NDX 10
#define REG_X11_NDX 11
#define REG_X12_NDX 12
#define REG_X13_NDX 13
#define REG_X14_NDX 14
#define REG_X15_NDX 15
#define REG_X16_NDX 16
#define REG_X17_NDX 17
#define REG_X18_NDX 18
#define REG_X19_NDX 19
#define REG_X20_NDX 20
#define REG_X21_NDX 21
#define REG_X22_NDX 22
#define REG_X23_NDX 23
#define REG_X24_NDX 24
#define REG_X25_NDX 25
#define REG_X26_NDX 26
#define REG_X27_NDX 27
#define REG_X28_NDX 28
#define REG_X29_NDX 29
#define REG_X30_NDX 30
#define REG_X31_NDX 31
#define REG_X32_NDX 32
#define XCPTCONTEXT_REGS 33
#define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS)
#ifdef __ASSEMBLY__
# define REG_X0 (4*REG_X0_NDX)
# define REG_X1 (4*REG_X1_NDX)
# define REG_X2 (4*REG_X2_NDX)
# define REG_X3 (4*REG_X3_NDX)
# define REG_X4 (4*REG_X4_NDX)
# define REG_X5 (4*REG_X5_NDX)
# define REG_X6 (4*REG_X6_NDX)
# define REG_X7 (4*REG_X7_NDX)
# define REG_X8 (4*REG_X8_NDX)
# define REG_X9 (4*REG_X9_NDX)
# define REG_X10 (4*REG_X10_NDX)
# define REG_X11 (4*REG_X11_NDX)
# define REG_X12 (4*REG_X12_NDX)
# define REG_X13 (4*REG_X13_NDX)
# define REG_X14 (4*REG_X14_NDX)
# define REG_X15 (4*REG_X15_NDX)
# define REG_X16 (4*REG_X16_NDX)
# define REG_X17 (4*REG_X17_NDX)
# define REG_X18 (4*REG_X18_NDX)
# define REG_X19 (4*REG_X19_NDX)
# define REG_X20 (4*REG_X20_NDX)
# define REG_X21 (4*REG_X21_NDX)
# define REG_X22 (4*REG_X22_NDX)
# define REG_X23 (4*REG_X23_NDX)
# define REG_X24 (4*REG_X24_NDX)
# define REG_X25 (4*REG_X25_NDX)
# define REG_X26 (4*REG_X26_NDX)
# define REG_X27 (4*REG_X27_NDX)
# define REG_X28 (4*REG_X28_NDX)
# define REG_X29 (4*REG_X29_NDX)
# define REG_X30 (4*REG_X30_NDX)
# define REG_X31 (4*REG_X31_NDX)
# define REG_INT_CTX (4*REG_X32_NDX)
#else
# define REG_X0 REG_X0_NDX
# define REG_X1 REG_X1_NDX
# define REG_X2 REG_X2_NDX
# define REG_X3 REG_X3_NDX
# define REG_X4 REG_X4_NDX
# define REG_X5 REG_X5_NDX
# define REG_X6 REG_X6_NDX
# define REG_X7 REG_X7_NDX
# define REG_X8 REG_X8_NDX
# define REG_X9 REG_X9_NDX
# define REG_X10 REG_X10_NDX
# define REG_X11 REG_X11_NDX
# define REG_X12 REG_X12_NDX
# define REG_X13 REG_X13_NDX
# define REG_X14 REG_X14_NDX
# define REG_X15 REG_X15_NDX
# define REG_X16 REG_X16_NDX
# define REG_X17 REG_X17_NDX
# define REG_X18 REG_X18_NDX
# define REG_X19 REG_X19_NDX
# define REG_X20 REG_X20_NDX
# define REG_X21 REG_X21_NDX
# define REG_X22 REG_X22_NDX
# define REG_X23 REG_X23_NDX
# define REG_X24 REG_X24_NDX
# define REG_X25 REG_X25_NDX
# define REG_X26 REG_X26_NDX
# define REG_X27 REG_X27_NDX
# define REG_X28 REG_X28_NDX
# define REG_X29 REG_X29_NDX
# define REG_X30 REG_X30_NDX
# define REG_X31 REG_X31_NDX
# define REG_INT_CTX REG_X32_NDX
#endif
#define REG_GP REG_X26
#define REG_FP REG_X27
#define REG_SP REG_X28
#define REG_RA REG_X29
#define REG_EA REG_X30
#define REG_BA REG_X31
#define REG_EPC REG_X30
#define REG_A0 REG_X1
#define REG_A1 REG_X2
#define REG_A2 REG_X3
#define REG_A3 REG_X4
#define REG_A4 REG_X5
#define REG_A5 REG_X6
#define REG_A6 REG_X7
#define REG_A7 REG_X8
#define REG_IE REG_INT_CTX
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
struct xcptcontext
{
#ifndef CONFIG_DISABLE_SIGNALS
* signal delivery trampoline.
*
* REVISIT: Because there is only one copy of these save areas,
* only a single signal handler can be active. This precludes
* queuing of signal actions. As a result, signals received while
* another signal handler is executing will be ignored!
*/
uint32_t saved_epc;
uint32_t saved_int_ctx;
#ifdef CONFIG_BUILD_KERNEL
* signal handler.
*/
uint32_t sigreturn;
#endif
#endif
#ifdef CONFIG_BUILD_KERNEL
* system call.
*/
uint8_t nsyscalls;
struct xcpt_syscall_s syscall[CONFIG_SYS_NNEST];
#endif
uint32_t regs[XCPTCONTEXT_REGS];
};
* Public Function Prototypes
****************************************************************************/
* Name: up_getusrpc
****************************************************************************/
#define up_getusrpc(regs) \
(((uint32_t *)((regs) ? (regs) : up_current_regs()))[REG_EPC])
* Name: up_getusrsp
****************************************************************************/
#define up_getusrsp(regs) \
((uintptr_t)((uint32_t *)(regs))[REG_SP])
#endif
#endif