/**************************************************************************** * arch/z8/include/z8/irq.h * arch/chip/irq.h * * Copyright (C) 2008 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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. * ****************************************************************************/ /* This file should never be included directed but, rather, * only indirectly through nuttx/irq.h (via arch/irq.h) */ #ifndef __ARCH_Z8_IRQ_H #define __ARCH_Z8_IRQ_H /**************************************************************************** * Included Files ****************************************************************************/ #include /**************************************************************************** * Definitions ****************************************************************************/ /* ez8 Interrupt Numbers */ #if defined(ENCORE_VECTORS) # define Z8_WDT_IRQ 0 # define Z8_TRAP_IRQ 1 # define Z8_TIMER2_IRQ 2 /* Only if EZ8_TIMER3 defined */ # define Z8_TIMER1_IRQ 3 # define Z8_TIMER0_IRQ 4 # define Z8_UART0_RX_IRQ 5 /* Only if EZ8_UART0 defined */ # define Z8_UART0_TX_IRQ 6 /* Only if EZ8_UART0 defined */ # define Z8_I2C_IRQ 7 /* Only if EZ8_I2C defined */ # define Z8_SPI_IRQ 8 /* Only if EZ8_SPI defined */ # define Z8_ADC_IRQ 9 /* Only if EZ8_ADC defined */ # define Z8_P7AD_IRQ 10 # define Z8_P6AD_IRQ 11 # define Z8_P5AD_IRQ 12 # define Z8_P4AD_IRQ 13 # define Z8_P3AD_IRQ 14 # define Z8_P2AD_IRQ 15 # define Z8_P1AD_IRQ 16 # define Z8_P0AD_IRQ 17 # define Z8_TIMER3_IRQ 18 /* Only if EZ8_TIMER4 defined */ # define Z8_UART1_RX_IRQ 19 /* Only if EZ8_UART1 defined */ # define Z8_UART1_TX_IRQ 20 /* Only if EZ8_UART1 defined */ # define Z8_DMA_IRQ 21 /* Only if EZ8_DMA defined */ # define Z8_C3_IRQ 22 /* Only if EZ8_PORT1 defined */ # define Z8_C2_IRQ 23 /* Only if EZ8_PORT1 defined */ # define Z8_C1_IRQ 24 /* Only if EZ8_PORT1 defined */ # define Z8_C0_IRQ 25 /* Only if EZ8_PORT1 defined */ # define NR_IRQS (26) #elif defined(ENCORE_XP_VECTORS) # define Z8_WDT_IRQ 0 # define Z8_TRAP_IRQ 1 # define Z8_TIMER2_IRQ 2 /* Only if EZ8_TIMER3 defined */ # define Z8_TIMER1_IRQ 3 # define Z8_TIMER0_IRQ 4 # define Z8_UART0_RX_IRQ 5 /* Only if EZ8_UART0 defined */ # define Z8_UART0_TX_IRQ 6 /* Only if EZ8_UART0 defined */ # define Z8_I2C_IRQ 7 /* Only if EZ8_I2C defined */ # define Z8_SPI_IRQ 8 /* Only if EZ8_SPI defined */ # define Z8_ADC_IRQ 9 /* Only if EZ8_ADC or EZ8_ADC_NEW defined */ # define Z8_P7AD_IRQ 10 # define Z8_P6AD_IRQ 11 # define Z8_P5AD_IRQ 12 # define Z8_P4AD_IRQ 13 # define Z8_P3AD_IRQ 14 # define Z8_P2AD_IRQ 15 # define Z8_P1AD_IRQ 16 # define Z8_P0AD_IRQ 17 # define Z8_TIMER3_IRQ 18 /* Only if EZ8_TIMER4 defined */ # define Z8_UART1_RX_IRQ 19 /* Only if EZ8_UART1 defined */ # define Z8_UART1_TX_IRQ 20 /* Only if EZ8_UART1 defined */ # define Z8_DMA_IRQ 21 /* Only if EZ8_DMA defined */ # define Z8_C3_IRQ 22 /* Only if EZ8_PORT1 defined */ # define Z8_C2_IRQ 23 /* Only if EZ8_PORT1 defined */ # define Z8_C1_IRQ 24 /* Only if EZ8_PORT1 defined */ # define Z8_C0_IRQ 25 /* Only if EZ8_PORT1 defined */ # define Z8_POTRAP_IRQ 27 # define Z8_WOTRAP_IRQ 28 # define NR_IRQS (29) #elif defined(ENCORE_XP16K_VECTORS) # define Z8_WDT_IRQ 0 # define Z8_TRAP_IRQ 1 # define Z8_TIMER2_IRQ 2 /* Only if EZ8_TIMER3 defined */ # define Z8_TIMER1_IRQ 3 # define Z8_TIMER0_IRQ 4 # define Z8_UART0_RX_IRQ 5 /* Only if EZ8_UART0 defined */ # define Z8_UART0_TX_IRQ 6 /* Only if EZ8_UART0 defined */ # define Z8_I2C_IRQ 7 /* Only if EZ8_I2C defined */ # define Z8_SPI_IRQ 8 /* Only if EZ8_SPI defined */ # define Z8_ADC_IRQ 9 /* Only if EZ8_ADC_NEW defined */ # define Z8_P7AD_IRQ 10 # define Z8_P6AD_IRQ 11 # define Z8_P5AD_IRQ 12 # define Z8_P4AD_IRQ 13 # define Z8_P3AD_IRQ 14 # define Z8_P2AD_IRQ 15 # define Z8_P1AD_IRQ 16 # define Z8_P0AD_IRQ 17 # define Z8_MCT_IRQ 19 /* Only if EZ8_MCT defined */ # define Z8_UART1_RX_IRQ 20 /* Only if EZ8_UART1 defined */ # define Z8_UART1_TX_IRQ 21 /* Only if EZ8_UART1 defined */ # define Z8_C3_IRQ 22 # define Z8_C2_IRQ 23 # define Z8_C1_IRQ 24 # define Z8_C0_IRQ 25 # define Z8_POTRAP_IRQ 27 # define Z8_WOTRAP_IRQ 28 # define NR_IRQS (29) #elif defined(ENCORE_MC_VECTORS) # define Z8_WDT_IRQ 0 # define Z8_TRAP_IRQ 1 # define Z8_PWMTIMER_IRQ 2 # define Z8_PWMFAULT_IRQ 3 # define Z8_ADC_IRQ 4 /* Only if EZ8_ADC_NEW defined */ # define Z8_CMP_IRQ 5 # define Z8_TIMER0_IRQ 6 # define Z8_UART0_RX_IRQ 7 /* Only if EZ8_UART0 defined */ # define Z8_UART0_TX_IRQ 8 /* Only if EZ8_UART0 defined */ # define Z8_SPI_IRQ 9 /* Only if EZ8_SPI defined */ # define Z8_I2C_IRQ 10 /* Only if EZ8_I2C defined */ # define Z8_C0_IRQ 12 # define Z8_PB_IRQ 13 # define Z8_P7A_IRQ 14 # define Z8_P3A_IRQ Z8_P7A_IRQ # define Z8_P6A_IRQ 15 # define Z8_P2A_IRQ Z8_P6A_IRQ # define Z8_P5A_IRQ 16 # define Z8_P1A_IRQ Z8_P5A_IRQ # define Z8_P4A_IRQ 17 # define Z8_P0A_IRQ Z8_P4A_IRQ # define Z8_POTRAP_IRQ 27 # define Z8_WOTRAP_IRQ 28 # define NR_IRQS (29) #endif #define Z8_IRQ_SYSTIMER Z8_TIMER0_IRQ /* IRQ Stack Frame Format * * This stack frame is created on each interrupt. These registers are stored * in the TCB to many context switches. */ #define XCPT_I (0) /* Offset 0: Saved I w/interrupt state in carry */ #define XCPT_BC (1) /* Offset 1: Saved BC register */ #define XCPT_IX (3) /* Offset 3: Saved IX register */ #define XCPT_IY (4) /* Offset 4: Saved IY register */ #define XCPT_SP (5) /* Offset 5: Offset to SP at time of interrupt */ #define XCPT_HL (6) /* Offset 6: Saved HL register */ #define XCPT_AF (7) /* Offset 7: Saved AF register */ #define XCPT_PC (8) /* Offset 8: Offset to PC at time of interrupt */ #define XCPTCONTEXT_REGS (9) #define XCPTCONTEXT_SIZE (2 * XCPTCONTEXT_REGS) /* The ZDS-II provides built-in operations to test & disable and to restore * the interrupt state. * * irqstate_t irqsave(void); * void irqrestore(irqstate_t flags); */ /**************************************************************************** * Public Types ****************************************************************************/ #ifndef __ASSEMBLY__ /* This is the the type of the register save array */ typedef uint16 chipreg_t; /* This struct defines the way the registers are stored. */ struct xcptcontext { /* Register save area */ uint16 regs[XCPTCONTEXT_REGS]; /* The following function pointer is non-zero if there * are pending signals to be processed. */ #ifndef CONFIG_DISABLE_SIGNALS CODE void *sigdeliver; /* Actual type is sig_deliver_t */ /* The following retains that state during signal execution */ uint16 saved_pc; /* Saved return address */ uint16 saved_i; /* Saved interrupt state */ #endif }; #endif /**************************************************************************** * Inline functions ****************************************************************************/ /**************************************************************************** * Public Variables ****************************************************************************/ /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #ifndef __ASSEMBLY__ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif EXTERN irqstate_t irqsave(void); EXTERN void irqrestore(irqstate_t flags); #undef EXTERN #ifdef __cplusplus } #endif #endif #endif /* __ARCH_Z8_IRQ_H */