/* * This file contains the isp frames for the user interrupts. * From these procedures __ISR_Handler is called with the vector number * as argument. * * __ISR_Handler is kept in a separate file (cpu_asm.c), because a bug in * some releases of gcc doesn't properly handle #pragma interrupt, if a * file contains both isrs and normal functions. * * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and * Bernd Becker (becker@faw.uni-ulm.de) * * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE * * * COPYRIGHT (c) 1998. * On-Line Applications Research Corporation (OAR). * Copyright assigned to U.S. Government, 1994. * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id$ */ #include #include #include /* * This is a exception vector table * * It has the same structure like the actual vector table (vectab) */ proc_ptr _Hardware_isr_Table[256]={ _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _nmi_isp, _usb_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, /* trapa 0 -31 */ _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp, /* irq 64 ... */ _irq0_isp, _irq1_isp, _irq2_isp, _irq3_isp, _irq4_isp, _irq5_isp, _irq6_isp, _irq7_isp, _dma0_isp, _dummy_isp, _dma1_isp, _dummy_isp, _dma2_isp, _dummy_isp, _dma3_isp, _dummy_isp, _imia0_isp, _imib0_isp, _ovi0_isp, _dummy_isp, _imia1_isp, _imib1_isp, _ovi1_isp, _dummy_isp, _imia2_isp, _imib2_isp, _ovi2_isp, _dummy_isp, _imia3_isp, _imib3_isp, _ovi3_isp, _dummy_isp, _imia4_isp, _imib4_isp, _ovi4_isp, _dummy_isp, _eri0_isp, _rxi0_isp, _txi0_isp, _tei0_isp, _eri1_isp, _rxi1_isp, _txi1_isp, _tei1_isp, _prt_isp, _adu_isp, _dummy_isp, _dummy_isp, _wdt_isp, /* 113 */ _dref_isp }; #define Str(a)#a /* * Some versions of gcc and all version of egcs at least until egcs-1.1b * are not able to handle #pragma interrupt correctly if more than 1 isr is * contained in a file and when optimizing. * We try to work around this problem by using the macro below. */ #define isp( name, number, func)\ asm (".global _"Str(name)"\n\t" \ "_"Str(name)": \n\t" \ " mov.l r0,@-r15 \n\t" \ " mov.l r1,@-r15 \n\t" \ " mov.l r2,@-r15 \n\t" \ " mov.l r3,@-r15 \n\t" \ " mov.l r4,@-r15 \n\t" \ " mov.l r5,@-r15 \n\t" \ " mov.l r6,@-r15 \n\t" \ " mov.l r7,@-r15 \n\t" \ " mov.l r14,@-r15 \n\t" \ " sts.l pr,@-r15 \n\t" \ " sts.l mach,@-r15 \n\t" \ " sts.l macl,@-r15 \n\t" \ " mov r15,r14 \n\t" \ " mov.l "Str(name)"_k, r1\n\t" \ " jsr @r1 \n\t" \ " mov #"Str(number)", r4\n\t" \ " mov r14,r15 \n\t" \ " lds.l @r15+,macl \n\t" \ " lds.l @r15+,mach \n\t" \ " lds.l @r15+,pr \n\t" \ " mov.l @r15+,r14 \n\t" \ " mov.l @r15+,r7 \n\t" \ " mov.l @r15+,r6 \n\t" \ " mov.l @r15+,r5 \n\t" \ " mov.l @r15+,r4 \n\t" \ " mov.l @r15+,r3 \n\t" \ " mov.l @r15+,r2 \n\t" \ " mov.l @r15+,r1 \n\t" \ " mov.l @r15+,r0 \n\t" \ " rte \n\t" \ " nop \n\t" \ " .align 2 \n\t" \ #name"_k: \n\t" \ ".long "Str(func)); /************************************************ * Dummy interrupt service procedure for * interrupts being not allowed --> Trap 34 ************************************************/ asm(" .section .text .global __dummy_isp __dummy_isp: mov.l r14,@-r15 mov r15, r14 trapa #34 mov.l @r15+,r14 rte nop"); /***************************** * Non maskable interrupt *****************************/ isp( _nmi_isp, NMI_ISP_V, ___ISR_Handler); /***************************** * User break controller *****************************/ isp( _usb_isp, USB_ISP_V, ___ISR_Handler); /***************************** * External interrupts 0-7 *****************************/ isp( _irq0_isp, IRQ0_ISP_V, ___ISR_Handler); isp( _irq1_isp, IRQ1_ISP_V, ___ISR_Handler); isp( _irq2_isp, IRQ2_ISP_V, ___ISR_Handler); isp( _irq3_isp, IRQ3_ISP_V, ___ISR_Handler); isp( _irq4_isp, IRQ4_ISP_V, ___ISR_Handler); isp( _irq5_isp, IRQ5_ISP_V, ___ISR_Handler); isp( _irq6_isp, IRQ6_ISP_V, ___ISR_Handler); isp( _irq7_isp, IRQ7_ISP_V, ___ISR_Handler); /***************************** * DMA - controller *****************************/ isp( _dma0_isp, DMA0_ISP_V, ___ISR_Handler); isp( _dma1_isp, DMA1_ISP_V, ___ISR_Handler); isp( _dma2_isp, DMA2_ISP_V, ___ISR_Handler); isp( _dma3_isp, DMA3_ISP_V, ___ISR_Handler); /***************************** * Interrupt timer unit *****************************/ /***************************** * Timer 0 *****************************/ isp( _imia0_isp, IMIA0_ISP_V, ___ISR_Handler); isp( _imib0_isp, IMIB0_ISP_V, ___ISR_Handler); isp( _ovi0_isp, OVI0_ISP_V, ___ISR_Handler); /***************************** * Timer 1 *****************************/ isp( _imia1_isp, IMIA1_ISP_V, ___ISR_Handler); isp( _imib1_isp, IMIB1_ISP_V, ___ISR_Handler); isp( _ovi1_isp, OVI1_ISP_V, ___ISR_Handler); /***************************** * Timer 2 *****************************/ isp( _imia2_isp, IMIA2_ISP_V, ___ISR_Handler); isp( _imib2_isp, IMIB2_ISP_V, ___ISR_Handler); isp( _ovi2_isp, OVI2_ISP_V, ___ISR_Handler); /***************************** * Timer 3 *****************************/ isp( _imia3_isp, IMIA3_ISP_V, ___ISR_Handler); isp( _imib3_isp, IMIB3_ISP_V, ___ISR_Handler); isp( _ovi3_isp, OVI3_ISP_V, ___ISR_Handler); /***************************** * Timer 4 *****************************/ isp( _imia4_isp, IMIA4_ISP_V, ___ISR_Handler); isp( _imib4_isp, IMIB4_ISP_V, ___ISR_Handler); isp( _ovi4_isp, OVI4_ISP_V, ___ISR_Handler); /***************************** * Serial interfaces *****************************/ /***************************** * Serial interface 0 *****************************/ isp( _eri0_isp, ERI0_ISP_V, ___ISR_Handler); isp( _rxi0_isp, RXI0_ISP_V, ___ISR_Handler); isp( _txi0_isp, TXI0_ISP_V, ___ISR_Handler); isp( _tei0_isp, TEI0_ISP_V, ___ISR_Handler); /***************************** * Serial interface 1 *****************************/ isp( _eri1_isp, ERI1_ISP_V, ___ISR_Handler); isp( _rxi1_isp, RXI1_ISP_V, ___ISR_Handler); isp( _txi1_isp, TXI1_ISP_V, ___ISR_Handler); isp( _tei1_isp, TEI1_ISP_V, ___ISR_Handler); /***************************** * Parity control unit of * the bus state controller *****************************/ isp( _prt_isp, PRT_ISP_V, ___ISR_Handler); /****************************** * Analog digital converter * ADC ******************************/ isp( _adu_isp, ADU_ISP_V, ___ISR_Handler); /****************************** * Watchdog timer ******************************/ isp( _wdt_isp, WDT_ISP_V, ___ISR_Handler); /****************************** * DRAM refresh control unit * of bus state controller ******************************/ isp( _dref_isp, DREF_ISP_V, ___ISR_Handler);