You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
164 lines
6.9 KiB
164 lines
6.9 KiB
/**************************************************************************** |
|
* arch/arm/include/armv7-m/irq_cmnvector.h |
|
* |
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
|
* Author: Gregory Nutt <gnutt@nuttx.org> |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. 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. |
|
* 3. Neither the name NuttX 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 OWNER 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. |
|
* |
|
****************************************************************************/ |
|
|
|
#ifndef __ARCH_ARM_INCLUDE_ARMV7_M_IRQ_CMNVECTOR_H |
|
#define __ARCH_ARM_INCLUDE_ARMV7_M_IRQ_CMNVECTOR_H |
|
|
|
/**************************************************************************** |
|
* Included Files |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Pre-processor Definitions |
|
****************************************************************************/ |
|
|
|
/* IRQ Stack Frame Format: */ |
|
|
|
/* The following additional registers are stored by the interrupt handling |
|
* logic. |
|
*/ |
|
|
|
#define REG_R13 (0) /* R13 = SP at time of interrupt */ |
|
#define REG_PRIMASK (1) /* PRIMASK */ |
|
#define REG_R4 (2) /* R4 */ |
|
#define REG_R5 (3) /* R5 */ |
|
#define REG_R6 (4) /* R6 */ |
|
#define REG_R7 (5) /* R7 */ |
|
#define REG_R8 (6) /* R8 */ |
|
#define REG_R9 (7) /* R9 */ |
|
#define REG_R10 (8) /* R10 */ |
|
#define REG_R11 (9) /* R11 */ |
|
#define REG_EXC_RETURN (10) /* EXC_RETURN */ |
|
#define SW_INT_REGS (11) |
|
|
|
#ifdef CONFIG_ARCH_FPU |
|
|
|
/* If the MCU supports a floating point unit, then it will be necessary |
|
* to save the state of the non-volatile registers before calling code |
|
* that may save and overwrite them. |
|
*/ |
|
|
|
# define REG_S16 (SW_INT_REGS+0) /* S16 */ |
|
# define REG_S17 (SW_INT_REGS+1) /* S17 */ |
|
# define REG_S18 (SW_INT_REGS+2) /* S18 */ |
|
# define REG_S19 (SW_INT_REGS+3) /* S19 */ |
|
# define REG_S20 (SW_INT_REGS+4) /* S20 */ |
|
# define REG_S21 (SW_INT_REGS+5) /* S21 */ |
|
# define REG_S22 (SW_INT_REGS+6) /* S22 */ |
|
# define REG_S23 (SW_INT_REGS+7) /* S23 */ |
|
# define REG_S24 (SW_INT_REGS+8) /* S24 */ |
|
# define REG_S25 (SW_INT_REGS+9) /* S25 */ |
|
# define REG_S26 (SW_INT_REGS+10) /* S26 */ |
|
# define REG_S27 (SW_INT_REGS+11) /* S27 */ |
|
# define REG_S28 (SW_INT_REGS+12) /* S28 */ |
|
# define REG_S29 (SW_INT_REGS+13) /* S29 */ |
|
# define REG_S30 (SW_INT_REGS+14) /* S30 */ |
|
# define REG_S31 (SW_INT_REGS+15) /* S31 */ |
|
# define SW_FPU_REGS (16) |
|
#else |
|
# define SW_FPU_REGS (0) |
|
#endif |
|
|
|
/* The total number of registers saved by software */ |
|
|
|
#define SW_XCPT_REGS (SW_INT_REGS + SW_FPU_REGS) |
|
#define SW_XCPT_SIZE (4 * SW_XCPT_REGS) |
|
|
|
/* On entry into an IRQ, the hardware automatically saves the following |
|
* registers on the stack in this (address) order: |
|
*/ |
|
|
|
#define REG_R0 (SW_XCPT_REGS+0) /* R0 */ |
|
#define REG_R1 (SW_XCPT_REGS+1) /* R1 */ |
|
#define REG_R2 (SW_XCPT_REGS+2) /* R2 */ |
|
#define REG_R3 (SW_XCPT_REGS+3) /* R3 */ |
|
#define REG_R12 (SW_XCPT_REGS+4) /* R12 */ |
|
#define REG_R14 (SW_XCPT_REGS+5) /* R14 = LR */ |
|
#define REG_R15 (SW_XCPT_REGS+6) /* R15 = PC */ |
|
#define REG_XPSR (SW_XCPT_REGS+7) /* xPSR */ |
|
#define HW_INT_REGS (8) |
|
|
|
#ifdef CONFIG_ARCH_FPU |
|
|
|
/* If the FPU is enabled, the hardware also saves the volatile FP registers. |
|
*/ |
|
|
|
# define REG_S0 (SW_XCPT_REGS+8) /* S0 */ |
|
# define REG_S1 (SW_XCPT_REGS+9) /* S1 */ |
|
# define REG_S2 (SW_XCPT_REGS+10) /* S2 */ |
|
# define REG_S3 (SW_XCPT_REGS+11) /* S3 */ |
|
# define REG_S4 (SW_XCPT_REGS+12) /* S4 */ |
|
# define REG_S5 (SW_XCPT_REGS+13) /* S5 */ |
|
# define REG_S6 (SW_XCPT_REGS+14) /* S6 */ |
|
# define REG_S7 (SW_XCPT_REGS+15) /* S7 */ |
|
# define REG_S8 (SW_XCPT_REGS+16) /* S8 */ |
|
# define REG_S9 (SW_XCPT_REGS+17) /* S9 */ |
|
# define REG_S10 (SW_XCPT_REGS+18) /* S10 */ |
|
# define REG_S11 (SW_XCPT_REGS+19) /* S11 */ |
|
# define REG_S12 (SW_XCPT_REGS+20) /* S12 */ |
|
# define REG_S13 (SW_XCPT_REGS+21) /* S13 */ |
|
# define REG_S14 (SW_XCPT_REGS+22) /* S14 */ |
|
# define REG_S15 (SW_XCPT_REGS+23) /* S15 */ |
|
# define REG_FPSCR (SW_XCPT_REGS+24) /* FPSCR */ |
|
# define REG_FPReserved (SW_XCPT_REGS+25) /* Reserved */ |
|
# define HW_FPU_REGS (18) |
|
#else |
|
# define HW_FPU_REGS (0) |
|
#endif |
|
|
|
#define HW_XCPT_REGS (HW_INT_REGS + HW_FPU_REGS) |
|
#define HW_XCPT_SIZE (4 * HW_XCPT_REGS) |
|
|
|
#define XCPTCONTEXT_REGS (HW_XCPT_REGS + SW_XCPT_REGS) |
|
#define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS) |
|
|
|
/**************************************************************************** |
|
* Public Types |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Inline functions |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Public Variables |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Public Function Prototypes |
|
****************************************************************************/ |
|
|
|
#endif /* __ARCH_ARM_INCLUDE_ARMV7_M_IRQ_CMNVECTOR_H */ |
|
|
|
|