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578 |
jeremybenn |
/*
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* File: exceptions.c
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* Purpose: Generic exception handling for ColdFire processors
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*
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*/
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#include "exceptions.h"
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#include "startcf.h"
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#include "support_common.h"
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#include <ansi_parms.h>
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#define REGISTER_ABI __REGABI__
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extern void vPIT0InterruptHandler( void );
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extern void vUART0InterruptHandler( void );
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extern void vPortYieldISR( void );
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extern void vFECISRHandler( void );
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/***********************************************************************/
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/*
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* Set NO_PRINTF to 0 in order the exceptions.c interrupt handler
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* to output messages to the standard io.
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*
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*/
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#define NO_PRINTF 1
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#if NO_PRINTF
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#define VECTORDISPLAY(MESSAGE) asm { nop; };
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#define VECTORDISPLAY2(MESSAGE,MESSAGE2) asm { nop; };
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#define VECTORDISPLAY3(MESSAGE,MESSAGE2,MESSAGE3) asm { nop; };
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#else
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#include <stdio.h>
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#define VECTORDISPLAY(MESSAGE1) printf(MESSAGE1);
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#define VECTORDISPLAY2(MESSAGE1,MESSAGE2) printf(MESSAGE1,MESSAGE2);
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#define VECTORDISPLAY3(MESSAGE1,MESSAGE2,MESSAGE3) printf(MESSAGE1,MESSAGE2,MESSAGE3);
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern unsigned long far _SP_INIT[];
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/***********************************************************************/
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/*
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* Handling of the TRK ColdFire libs (printf support in Debugger Terminal)
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*
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* To enable this support (setup by default in CONSOLE_RAM build target
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* if available):
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* - Set CONSOLE_IO_SUPPORT to 1 in this file; this will enable
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* TrapHandler_printf for the trap #14 exception.
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* (this is set by default to 1 in the ColdFire Pre-Processor panel for
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* the CONSOLE_RAM build target)
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*
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* - Make sure the file:
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* {Compiler}ColdFire_Support\msl\MSL_C\MSL_ColdFire\Src\console_io_cf.c
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* is referenced from your project.
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*
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* - Make sure that in the CF Exceptions panel the check box
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* "46 TRAP #14 for Console I/O", in the "User Application Exceptions"
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* area is set.
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*
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*/
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#ifndef CONSOLE_IO_SUPPORT
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#define CONSOLE_IO_SUPPORT 0
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#endif
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#if CONSOLE_IO_SUPPORT
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asm void TrapHandler_printf(void) {
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HALT
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RTE
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}
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#endif
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/***********************************************************************/
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/*
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* This is the handler for all exceptions which are not common to all
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* ColdFire Chips.
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*
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* Called by mcf_exception_handler
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*
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*/
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void derivative_interrupt(unsigned long vector)
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{
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if (vector < 64 || vector > 192) {
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VECTORDISPLAY2("User Defined Vector #%d\n",vector);
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}
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}
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/***********************************************************************
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*
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* This is the exception handler for all exceptions common to all
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* chips ColdFire. Most exceptions do nothing, but some of the more
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* important ones are handled to some extent.
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*
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* Called by asm_exception_handler
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*
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* The ColdFire family of processors has a simplified exception stack
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* frame that looks like the following:
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*
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* 3322222222221111 111111
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* 1098765432109876 5432109876543210
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* 8 +----------------+----------------+
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* | Program Counter |
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* 4 +----------------+----------------+
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* |FS/Fmt/Vector/FS| SR |
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* SP --> 0 +----------------+----------------+
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*
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* The stack self-aligns to a 4-byte boundary at an exception, with
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* the FS/Fmt/Vector/FS field indicating the size of the adjustment
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* (SP += 0,1,2,3 bytes).
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* 31 28 27 26 25 18 17 16 15 0
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* 4 +---------------------------------------+------------------------------------+
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* | Format | FS[3..2] | Vector | FS[1..0] | SR |
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* SP --> 0 +---------------------------------------+------------------------------------+
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*/
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#define MCF5XXX_RD_SF_FORMAT(PTR) \
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((*((unsigned short *)(PTR)) >> 12) & 0x00FF)
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#define MCF5XXX_RD_SF_VECTOR(PTR) \
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((*((unsigned short *)(PTR)) >> 2) & 0x00FF)
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#define MCF5XXX_RD_SF_FS(PTR) \
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( ((*((unsigned short *)(PTR)) & 0x0C00) >> 8) | (*((unsigned short *)(PTR)) & 0x0003) )
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#define MCF5XXX_SF_SR(PTR) *(((unsigned short *)(PTR))+1)
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#define MCF5XXX_SF_PC(PTR) *((unsigned long *)(PTR)+1)
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#define MCF5XXX_EXCEPTFMT "%s -- PC = %#08X\n"
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void mcf_exception_handler(void *framepointer)
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{
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volatile unsigned long exceptionStackFrame = (*(unsigned long *)(framepointer));
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volatile unsigned short stackFrameSR = MCF5XXX_SF_SR(framepointer);
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volatile unsigned short stackFrameWord = (*(unsigned short *)(framepointer));
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volatile unsigned long stackFrameFormat = (unsigned long)MCF5XXX_RD_SF_FORMAT(&stackFrameWord);
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volatile unsigned long stackFrameFS = (unsigned long)MCF5XXX_RD_SF_FS(&stackFrameWord);
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volatile unsigned long stackFrameVector = (unsigned long)MCF5XXX_RD_SF_VECTOR(&stackFrameWord);
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volatile unsigned long stackFramePC = MCF5XXX_SF_PC(framepointer);
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switch (stackFrameFormat)
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{
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case 4:
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case 5:
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case 6:
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case 7:
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break;
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default:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT,"Illegal stack type", stackFramePC);
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break;
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}
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switch (stackFrameVector)
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{
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case 2:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Access Error", stackFramePC);
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switch (stackFrameFS)
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{
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case 4:
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VECTORDISPLAY("Error on instruction fetch\n");
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break;
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case 8:
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VECTORDISPLAY("Error on operand write\n");
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break;
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case 9:
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VECTORDISPLAY("Attempted write to write-protected space\n");
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break;
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case 12:
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VECTORDISPLAY("Error on operand read\n");
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break;
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default:
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VECTORDISPLAY("Reserved Fault Status Encoding\n");
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break;
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}
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break;
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case 3:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Address Error", stackFramePC);
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switch (stackFrameFS)
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{
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case 4:
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VECTORDISPLAY("Error on instruction fetch\n");
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break;
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case 8:
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VECTORDISPLAY("Error on operand write\n");
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break;
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case 9:
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VECTORDISPLAY("Attempted write to write-protected space\n");
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break;
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case 12:
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VECTORDISPLAY("Error on operand read\n");
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break;
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default:
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VECTORDISPLAY("Reserved Fault Status Encoding\n");
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break;
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}
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break;
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case 4:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Illegal instruction", stackFramePC);
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break;
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case 8:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Privilege violation", stackFramePC);
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break;
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case 9:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Trace Exception", stackFramePC);
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break;
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case 10:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Unimplemented A-Line Instruction", stackFramePC);
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break;
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case 11:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Unimplemented F-Line Instruction", stackFramePC);
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break;
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case 12:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Debug Interrupt", stackFramePC);
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break;
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case 14:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Format Error", stackFramePC);
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break;
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case 15:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Unitialized Interrupt", stackFramePC);
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break;
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case 24:
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VECTORDISPLAY3(MCF5XXX_EXCEPTFMT, "Spurious Interrupt", stackFramePC);
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break;
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case 25:
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case 26:
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case 27:
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case 28:
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case 29:
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case 30:
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case 31:
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VECTORDISPLAY2("Autovector interrupt level %d\n", stackFrameVector - 24);
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break;
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case 32:
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case 33:
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case 34:
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case 35:
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case 36:
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| 240 |
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case 37:
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| 241 |
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case 38:
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| 242 |
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case 39:
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| 243 |
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case 40:
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case 41:
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case 42:
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case 43:
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| 247 |
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case 44:
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| 248 |
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case 45:
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| 249 |
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case 46:
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| 250 |
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case 47:
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| 251 |
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VECTORDISPLAY2("TRAP #%d\n", stackFrameVector - 32);
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| 252 |
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break;
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| 253 |
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case 5:
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| 254 |
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case 6:
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| 255 |
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case 7:
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| 256 |
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case 13:
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| 257 |
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case 16:
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| 258 |
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case 17:
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| 259 |
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case 18:
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| 260 |
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case 19:
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| 261 |
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case 20:
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| 262 |
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case 21:
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| 263 |
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case 22:
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| 264 |
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case 23:
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| 265 |
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case 48:
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| 266 |
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case 49:
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| 267 |
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case 50:
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| 268 |
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case 51:
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| 269 |
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case 52:
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| 270 |
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case 53:
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| 271 |
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case 54:
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| 272 |
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case 55:
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| 273 |
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case 56:
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| 274 |
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case 57:
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| 275 |
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case 58:
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| 276 |
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case 59:
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| 277 |
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case 60:
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| 278 |
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case 61:
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| 279 |
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case 62:
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| 280 |
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case 63:
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| 281 |
|
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VECTORDISPLAY2("Reserved: #%d\n", stackFrameVector);
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| 282 |
|
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break;
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| 283 |
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default:
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| 284 |
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derivative_interrupt(stackFrameVector);
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| 285 |
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break;
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| 286 |
|
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}
|
| 287 |
|
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}
|
| 288 |
|
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|
| 289 |
|
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#if REGISTER_ABI
|
| 290 |
|
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asm void asm_exception_handler(void)
|
| 291 |
|
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{
|
| 292 |
|
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link a6,#0
|
| 293 |
|
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lea -20(sp), sp
|
| 294 |
|
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movem.l d0-d2/a0-a1, (sp)
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| 295 |
|
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lea 24(sp),a0 /* A0 point to exception stack frame on the stack */
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| 296 |
|
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jsr mcf_exception_handler
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| 297 |
|
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movem.l (sp), d0-d2/a0-a1
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| 298 |
|
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lea 20(sp), sp
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| 299 |
|
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unlk a6
|
| 300 |
|
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rte
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| 301 |
|
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}
|
| 302 |
|
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#else
|
| 303 |
|
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asm void asm_exception_handler(void)
|
| 304 |
|
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{
|
| 305 |
|
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link a6,#0
|
| 306 |
|
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lea -20(sp), sp
|
| 307 |
|
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movem.l d0-d2/a0-a1, (sp)
|
| 308 |
|
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pea 24(sp) /* push exception frame address */
|
| 309 |
|
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jsr mcf_exception_handler
|
| 310 |
|
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movem.l 4(sp), d0-d2/a0-a1
|
| 311 |
|
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lea 24(sp), sp
|
| 312 |
|
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unlk a6
|
| 313 |
|
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rte
|
| 314 |
|
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}
|
| 315 |
|
|
#endif
|
| 316 |
|
|
|
| 317 |
|
|
typedef void (* vectorTableEntryType)(void);
|
| 318 |
|
|
|
| 319 |
|
|
#pragma define_section vectortable ".vectortable" far_absolute R
|
| 320 |
|
|
|
| 321 |
|
|
/* CF have 255 vector + SP_INIT in the vector table (256 entries)
|
| 322 |
|
|
*/
|
| 323 |
|
|
__declspec(vectortable) vectorTableEntryType _vect[256] = { /* Interrupt vector table */
|
| 324 |
|
|
(vectorTableEntryType)__SP_AFTER_RESET, /* 0 (0x000) Initial supervisor SP */
|
| 325 |
|
|
_startup, /* 1 (0x004) Initial PC */
|
| 326 |
|
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asm_exception_handler, /* 2 (0x008) Access Error */
|
| 327 |
|
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asm_exception_handler, /* 3 (0x00C) Address Error */
|
| 328 |
|
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asm_exception_handler, /* 4 (0x010) Illegal Instruction */
|
| 329 |
|
|
asm_exception_handler, /* 5 (0x014) Reserved */
|
| 330 |
|
|
asm_exception_handler, /* 6 (0x018) Reserved */
|
| 331 |
|
|
asm_exception_handler, /* 7 (0x01C) Reserved */
|
| 332 |
|
|
asm_exception_handler, /* 8 (0x020) Privilege Violation */
|
| 333 |
|
|
asm_exception_handler, /* 9 (0x024) Trace */
|
| 334 |
|
|
asm_exception_handler, /* 10 (0x028) Unimplemented A-Line */
|
| 335 |
|
|
asm_exception_handler, /* 11 (0x02C) Unimplemented F-Line */
|
| 336 |
|
|
asm_exception_handler, /* 12 (0x030) Debug Interrupt */
|
| 337 |
|
|
asm_exception_handler, /* 13 (0x034) Reserved */
|
| 338 |
|
|
asm_exception_handler, /* 14 (0x038) Format Error */
|
| 339 |
|
|
asm_exception_handler, /* 15 (0x03C) Unitialized Int */
|
| 340 |
|
|
asm_exception_handler, /* 16 (0x040) Reserved */
|
| 341 |
|
|
asm_exception_handler, /* 17 (0x044) Reserved */
|
| 342 |
|
|
asm_exception_handler, /* 18 (0x048) Reserved */
|
| 343 |
|
|
asm_exception_handler, /* 19 (0x04C) Reserved */
|
| 344 |
|
|
asm_exception_handler, /* 20 (0x050) Reserved */
|
| 345 |
|
|
asm_exception_handler, /* 21 (0x054) Reserved */
|
| 346 |
|
|
asm_exception_handler, /* 22 (0x058) Reserved */
|
| 347 |
|
|
asm_exception_handler, /* 23 (0x05C) Reserved */
|
| 348 |
|
|
asm_exception_handler, /* 24 (0x060) Spurious Interrupt */
|
| 349 |
|
|
asm_exception_handler, /* 25 (0x064) Autovector Level 1 */
|
| 350 |
|
|
asm_exception_handler, /* 26 (0x068) Autovector Level 2 */
|
| 351 |
|
|
asm_exception_handler, /* 27 (0x06C) Autovector Level 3 */
|
| 352 |
|
|
asm_exception_handler, /* 28 (0x070) Autovector Level 4 */
|
| 353 |
|
|
asm_exception_handler, /* 29 (0x074) Autovector Level 5 */
|
| 354 |
|
|
asm_exception_handler, /* 30 (0x078) Autovector Level 6 */
|
| 355 |
|
|
asm_exception_handler, /* 31 (0x07C) Autovector Level 7 */
|
| 356 |
|
|
asm_exception_handler, /* 32 (0x080) TRAP #0 */
|
| 357 |
|
|
asm_exception_handler, /* 33 (0x084) TRAP #1 */
|
| 358 |
|
|
asm_exception_handler, /* 34 (0x088) TRAP #2 */
|
| 359 |
|
|
asm_exception_handler, /* 35 (0x08C) TRAP #3 */
|
| 360 |
|
|
asm_exception_handler, /* 36 (0x090) TRAP #4 */
|
| 361 |
|
|
asm_exception_handler, /* 37 (0x094) TRAP #5 */
|
| 362 |
|
|
asm_exception_handler, /* 38 (0x098) TRAP #6 */
|
| 363 |
|
|
asm_exception_handler, /* 39 (0x09C) TRAP #7 */
|
| 364 |
|
|
asm_exception_handler, /* 40 (0x0A0) TRAP #8 */
|
| 365 |
|
|
asm_exception_handler, /* 41 (0x0A4) TRAP #9 */
|
| 366 |
|
|
asm_exception_handler, /* 42 (0x0A8) TRAP #10 */
|
| 367 |
|
|
asm_exception_handler, /* 43 (0x0AC) TRAP #11 */
|
| 368 |
|
|
asm_exception_handler, /* 44 (0x0B0) TRAP #12 */
|
| 369 |
|
|
asm_exception_handler, /* 45 (0x0B4) TRAP #13 */
|
| 370 |
|
|
#if CONSOLE_IO_SUPPORT
|
| 371 |
|
|
TrapHandler_printf, /* 46 (0x0B8) TRAP #14 */
|
| 372 |
|
|
#else
|
| 373 |
|
|
asm_exception_handler, /* 46 (0x0B8) TRAP #14 */
|
| 374 |
|
|
#endif
|
| 375 |
|
|
asm_exception_handler, /* 47 (0x0BC) TRAP #15 */
|
| 376 |
|
|
asm_exception_handler, /* 48 (0x0C0) Reserved */
|
| 377 |
|
|
asm_exception_handler, /* 49 (0x0C4) Reserved */
|
| 378 |
|
|
asm_exception_handler, /* 50 (0x0C8) Reserved */
|
| 379 |
|
|
asm_exception_handler, /* 51 (0x0CC) Reserved */
|
| 380 |
|
|
asm_exception_handler, /* 52 (0x0D0) Reserved */
|
| 381 |
|
|
asm_exception_handler, /* 53 (0x0D4) Reserved */
|
| 382 |
|
|
asm_exception_handler, /* 54 (0x0D8) Reserved */
|
| 383 |
|
|
asm_exception_handler, /* 55 (0x0DC) Reserved */
|
| 384 |
|
|
asm_exception_handler, /* 56 (0x0E0) Reserved */
|
| 385 |
|
|
asm_exception_handler, /* 57 (0x0E4) Reserved */
|
| 386 |
|
|
asm_exception_handler, /* 58 (0x0E8) Reserved */
|
| 387 |
|
|
asm_exception_handler, /* 59 (0x0EC) Reserved */
|
| 388 |
|
|
asm_exception_handler, /* 60 (0x0F0) Reserved */
|
| 389 |
|
|
asm_exception_handler, /* 61 (0x0F4) Reserved */
|
| 390 |
|
|
asm_exception_handler, /* 62 (0x0F8) Reserved */
|
| 391 |
|
|
asm_exception_handler, /* 63 (0x0FC) Reserved */
|
| 392 |
|
|
asm_exception_handler, /* 64 (0x100) Device-specific interrupts */
|
| 393 |
|
|
asm_exception_handler, /* 65 (0x104) Device-specific interrupts */
|
| 394 |
|
|
asm_exception_handler, /* 66 (0x108) Device-specific interrupts */
|
| 395 |
|
|
asm_exception_handler, /* 67 (0x10C) Device-specific interrupts */
|
| 396 |
|
|
asm_exception_handler, /* 68 (0x110) Device-specific interrupts */
|
| 397 |
|
|
asm_exception_handler, /* 69 (0x114) Device-specific interrupts */
|
| 398 |
|
|
asm_exception_handler, /* 70 (0x118) Device-specific interrupts */
|
| 399 |
|
|
asm_exception_handler, /* 71 (0x11C) Device-specific interrupts */
|
| 400 |
|
|
asm_exception_handler, /* 72 (0x120) Device-specific interrupts */
|
| 401 |
|
|
asm_exception_handler, /* 73 (0x124) Device-specific interrupts */
|
| 402 |
|
|
asm_exception_handler, /* 74 (0x128) Device-specific interrupts */
|
| 403 |
|
|
asm_exception_handler, /* 75 (0x12C) Device-specific interrupts */
|
| 404 |
|
|
asm_exception_handler, /* 76 (0x130) Device-specific interrupts */
|
| 405 |
|
|
vUART0InterruptHandler, /* 77 (0x134) Device-specific interrupts */
|
| 406 |
|
|
asm_exception_handler, /* 78 (0x138) Device-specific interrupts */
|
| 407 |
|
|
asm_exception_handler, /* 79 (0x13C) Device-specific interrupts */
|
| 408 |
|
|
vPortYieldISR, /* 80 (0x140) Device-specific interrupts */
|
| 409 |
|
|
asm_exception_handler, /* 81 (0x144) Device-specific interrupts */
|
| 410 |
|
|
asm_exception_handler, /* 82 (0x148) Device-specific interrupts */
|
| 411 |
|
|
asm_exception_handler, /* 83 (0x14C) Device-specific interrupts */
|
| 412 |
|
|
asm_exception_handler, /* 84 (0x150) Device-specific interrupts */
|
| 413 |
|
|
asm_exception_handler, /* 85 (0x154) Device-specific interrupts */
|
| 414 |
|
|
asm_exception_handler, /* 86 (0x158) Device-specific interrupts */
|
| 415 |
|
|
asm_exception_handler, /* 87 (0x15C) Device-specific interrupts */
|
| 416 |
|
|
asm_exception_handler, /* 88 (0x160) Device-specific interrupts */
|
| 417 |
|
|
asm_exception_handler, /* 89 (0x164) Device-specific interrupts */
|
| 418 |
|
|
asm_exception_handler, /* 90 (0x168) Device-specific interrupts */
|
| 419 |
|
|
asm_exception_handler, /* 91 (0x16C) Device-specific interrupts */
|
| 420 |
|
|
asm_exception_handler, /* 92 (0x170) Device-specific interrupts */
|
| 421 |
|
|
asm_exception_handler, /* 93 (0x174) Device-specific interrupts */
|
| 422 |
|
|
asm_exception_handler, /* 94 (0x178) Device-specific interrupts */
|
| 423 |
|
|
asm_exception_handler, /* 95 (0x17C) Device-specific interrupts */
|
| 424 |
|
|
asm_exception_handler, /* 96 (0x180) Level 1 software interrupt */
|
| 425 |
|
|
asm_exception_handler, /* 97 (0x184) Level 2 software interrupt */
|
| 426 |
|
|
asm_exception_handler, /* 98 (0x188) Level 3 software interrupt */
|
| 427 |
|
|
asm_exception_handler, /* 99 (0x18C) Level 4 software interrupt */
|
| 428 |
|
|
asm_exception_handler, /* 100 (0x190) Level 5 software interrupt */
|
| 429 |
|
|
asm_exception_handler, /* 101 (0x194) Level 6 software interrupt */
|
| 430 |
|
|
asm_exception_handler, /* 102 (0x198) Level 7 software interrupt */
|
| 431 |
|
|
asm_exception_handler, /* 103 (0x19C) Reserved */
|
| 432 |
|
|
asm_exception_handler, /* 104 (0x1A0) Reserved */
|
| 433 |
|
|
asm_exception_handler, /* 105 (0x1A4) Reserved */
|
| 434 |
|
|
asm_exception_handler, /* 106 (0x1A8) Reserved */
|
| 435 |
|
|
asm_exception_handler, /* 107 (0x___) Reserved */
|
| 436 |
|
|
asm_exception_handler, /* 108 (0x___) Reserved */
|
| 437 |
|
|
asm_exception_handler, /* 109 (0x___) Reserved */
|
| 438 |
|
|
asm_exception_handler, /* 110 (0x___) Reserved */
|
| 439 |
|
|
asm_exception_handler, /* 111 (0x___) Reserved */
|
| 440 |
|
|
asm_exception_handler, /* 112 (0x___) Reserved */
|
| 441 |
|
|
asm_exception_handler, /* 113 (0x___) Reserved */
|
| 442 |
|
|
asm_exception_handler, /* 114 (0x___) Reserved */
|
| 443 |
|
|
asm_exception_handler, /* 115 (0x___) Reserved */
|
| 444 |
|
|
asm_exception_handler, /* 116 (0x___) Reserved */
|
| 445 |
|
|
asm_exception_handler, /* 117 (0x___) Reserved */
|
| 446 |
|
|
asm_exception_handler, /* 118 (0x___) Reserved */
|
| 447 |
|
|
vPIT0InterruptHandler, /* 119 (0x___) Reserved */
|
| 448 |
|
|
asm_exception_handler, /* 120 (0x___) Reserved */
|
| 449 |
|
|
asm_exception_handler, /* 121 (0x___) Reserved */
|
| 450 |
|
|
asm_exception_handler, /* 122 (0x___) Reserved */
|
| 451 |
|
|
asm_exception_handler, /* 123 (0x___) Reserved */
|
| 452 |
|
|
asm_exception_handler, /* 124 (0x___) Reserved */
|
| 453 |
|
|
asm_exception_handler, /* 125 (0x___) Reserved */
|
| 454 |
|
|
asm_exception_handler, /* 126 (0x___) Reserved */
|
| 455 |
|
|
asm_exception_handler, /* 127 (0x___) Reserved */
|
| 456 |
|
|
asm_exception_handler, /* 128 (0x___) Reserved */
|
| 457 |
|
|
asm_exception_handler, /* 129 (0x___) Reserved */
|
| 458 |
|
|
asm_exception_handler, /* 130 (0x___) Reserved */
|
| 459 |
|
|
asm_exception_handler, /* 131 (0x___) Reserved */
|
| 460 |
|
|
asm_exception_handler, /* 132 (0x___) Reserved */
|
| 461 |
|
|
asm_exception_handler, /* 133 (0x___) Reserved */
|
| 462 |
|
|
asm_exception_handler, /* 134 (0x___) Reserved */
|
| 463 |
|
|
asm_exception_handler, /* 135 (0x___) Reserved */
|
| 464 |
|
|
asm_exception_handler, /* 136 (0x___) Reserved */
|
| 465 |
|
|
asm_exception_handler, /* 137 (0x___) Reserved */
|
| 466 |
|
|
asm_exception_handler, /* 138 (0x___) Reserved */
|
| 467 |
|
|
asm_exception_handler, /* 139 (0x___) Reserved */
|
| 468 |
|
|
asm_exception_handler, /* 140 (0x___) Reserved */
|
| 469 |
|
|
asm_exception_handler, /* 141 (0x___) Reserved */
|
| 470 |
|
|
asm_exception_handler, /* 142 (0x___) Reserved */
|
| 471 |
|
|
asm_exception_handler, /* 143 (0x___) Reserved */
|
| 472 |
|
|
asm_exception_handler, /* 144 (0x___) Reserved */
|
| 473 |
|
|
asm_exception_handler, /* 145 (0x___) Reserved */
|
| 474 |
|
|
asm_exception_handler, /* 146 (0x___) Reserved */
|
| 475 |
|
|
asm_exception_handler, /* 147 (0x___) Reserved */
|
| 476 |
|
|
asm_exception_handler, /* 148 (0x___) Reserved */
|
| 477 |
|
|
asm_exception_handler, /* 149 (0x___) Reserved */
|
| 478 |
|
|
asm_exception_handler, /* 150 (0x___) Reserved */
|
| 479 |
|
|
asm_exception_handler, /* 151 (0x___) Reserved */
|
| 480 |
|
|
asm_exception_handler, /* 152 (0x___) Reserved */
|
| 481 |
|
|
asm_exception_handler, /* 153 (0x___) Reserved */
|
| 482 |
|
|
asm_exception_handler, /* 154 (0x___) Reserved */
|
| 483 |
|
|
asm_exception_handler, /* 155 (0x___) Reserved */
|
| 484 |
|
|
asm_exception_handler, /* 156 (0x___) Reserved */
|
| 485 |
|
|
asm_exception_handler, /* 157 (0x___) Reserved */
|
| 486 |
|
|
asm_exception_handler, /* 158 (0x___) Reserved */
|
| 487 |
|
|
asm_exception_handler, /* 159 (0x___) Reserved */
|
| 488 |
|
|
asm_exception_handler, /* 160 (0x___) Reserved */
|
| 489 |
|
|
asm_exception_handler, /* 161 (0x___) Reserved */
|
| 490 |
|
|
asm_exception_handler, /* 162 (0x___) Reserved */
|
| 491 |
|
|
asm_exception_handler, /* 163 (0x___) Reserved */
|
| 492 |
|
|
asm_exception_handler, /* 164 (0x___) Reserved */
|
| 493 |
|
|
asm_exception_handler, /* 165 (0x___) Reserved */
|
| 494 |
|
|
asm_exception_handler, /* 166 (0x___) Reserved */
|
| 495 |
|
|
asm_exception_handler, /* 167 (0x___) Reserved */
|
| 496 |
|
|
asm_exception_handler, /* 168 (0x___) Reserved */
|
| 497 |
|
|
asm_exception_handler, /* 169 (0x___) Reserved */
|
| 498 |
|
|
asm_exception_handler, /* 170 (0x___) Reserved */
|
| 499 |
|
|
asm_exception_handler, /* 171 (0x___) Reserved */
|
| 500 |
|
|
asm_exception_handler, /* 172 (0x___) Reserved */
|
| 501 |
|
|
asm_exception_handler, /* 173 (0x___) Reserved */
|
| 502 |
|
|
asm_exception_handler, /* 174 (0x___) Reserved */
|
| 503 |
|
|
asm_exception_handler, /* 175 (0x___) Reserved */
|
| 504 |
|
|
asm_exception_handler, /* 176 (0x___) Reserved */
|
| 505 |
|
|
asm_exception_handler, /* 177 (0x___) Reserved */
|
| 506 |
|
|
asm_exception_handler, /* 178 (0x___) Reserved */
|
| 507 |
|
|
asm_exception_handler, /* 179 (0x___) Reserved */
|
| 508 |
|
|
asm_exception_handler, /* 180 (0x___) Reserved */
|
| 509 |
|
|
asm_exception_handler, /* 181 (0x___) Reserved */
|
| 510 |
|
|
asm_exception_handler, /* 182 (0x___) Reserved */
|
| 511 |
|
|
asm_exception_handler, /* 183 (0x___) Reserved */
|
| 512 |
|
|
asm_exception_handler, /* 184 (0x___) Reserved */
|
| 513 |
|
|
asm_exception_handler, /* 185 (0x___) Reserved */
|
| 514 |
|
|
asm_exception_handler, /* 186 (0x___) Reserved */
|
| 515 |
|
|
asm_exception_handler, /* 187 (0x___) Reserved */
|
| 516 |
|
|
asm_exception_handler, /* 188 (0x___) Reserved */
|
| 517 |
|
|
asm_exception_handler, /* 189 (0x___) Reserved */
|
| 518 |
|
|
asm_exception_handler, /* 190 (0x___) Reserved */
|
| 519 |
|
|
asm_exception_handler, /* 191 (0x___) Reserved */
|
| 520 |
|
|
asm_exception_handler, /* 192 (0x___) Reserved */
|
| 521 |
|
|
asm_exception_handler, /* 193 (0x___) Reserved */
|
| 522 |
|
|
asm_exception_handler, /* 194 (0x___) Reserved */
|
| 523 |
|
|
asm_exception_handler, /* 195 (0x___) Reserved */
|
| 524 |
|
|
asm_exception_handler, /* 196 (0x___) Reserved */
|
| 525 |
|
|
asm_exception_handler, /* 197 (0x___) Reserved */
|
| 526 |
|
|
asm_exception_handler, /* 198 (0x___) Reserved */
|
| 527 |
|
|
asm_exception_handler, /* 199 (0x___) Reserved */
|
| 528 |
|
|
asm_exception_handler, /* 200 (0x___) Reserved */
|
| 529 |
|
|
asm_exception_handler, /* 201 (0x___) Reserved */
|
| 530 |
|
|
asm_exception_handler, /* 202 (0x___) Reserved */
|
| 531 |
|
|
asm_exception_handler, /* 203 (0x___) Reserved */
|
| 532 |
|
|
asm_exception_handler, /* 204 (0x___) Reserved */
|
| 533 |
|
|
asm_exception_handler, /* 205 (0x___) Reserved */
|
| 534 |
|
|
asm_exception_handler, /* 206 (0x___) Reserved */
|
| 535 |
|
|
asm_exception_handler, /* 207 (0x___) Reserved */
|
| 536 |
|
|
asm_exception_handler, /* 208 (0x___) Reserved */
|
| 537 |
|
|
asm_exception_handler, /* 209 (0x___) Reserved */
|
| 538 |
|
|
asm_exception_handler, /* 210 (0x___) Reserved */
|
| 539 |
|
|
asm_exception_handler, /* 211 (0x___) Reserved */
|
| 540 |
|
|
asm_exception_handler, /* 212 (0x___) Reserved */
|
| 541 |
|
|
asm_exception_handler, /* 213 (0x___) Reserved */
|
| 542 |
|
|
asm_exception_handler, /* 214 (0x___) Reserved */
|
| 543 |
|
|
asm_exception_handler, /* 215 (0x___) Reserved */
|
| 544 |
|
|
asm_exception_handler, /* 216 (0x___) Reserved */
|
| 545 |
|
|
asm_exception_handler, /* 217 (0x___) Reserved */
|
| 546 |
|
|
asm_exception_handler, /* 218 (0x___) Reserved */
|
| 547 |
|
|
asm_exception_handler, /* 219 (0x___) Reserved */
|
| 548 |
|
|
asm_exception_handler, /* 220 (0x___) Reserved */
|
| 549 |
|
|
asm_exception_handler, /* 221 (0x___) Reserved */
|
| 550 |
|
|
asm_exception_handler, /* 222 (0x___) Reserved */
|
| 551 |
|
|
asm_exception_handler, /* 223 (0x___) Reserved */
|
| 552 |
|
|
asm_exception_handler, /* 224 (0x___) Reserved */
|
| 553 |
|
|
asm_exception_handler, /* 225 (0x___) Reserved */
|
| 554 |
|
|
asm_exception_handler, /* 226 (0x___) Reserved */
|
| 555 |
|
|
asm_exception_handler, /* 227 (0x___) Reserved */
|
| 556 |
|
|
asm_exception_handler, /* 228 (0x___) Reserved */
|
| 557 |
|
|
asm_exception_handler, /* 229 (0x___) Reserved */
|
| 558 |
|
|
asm_exception_handler, /* 230 (0x___) Reserved */
|
| 559 |
|
|
asm_exception_handler, /* 231 (0x___) Reserved */
|
| 560 |
|
|
asm_exception_handler, /* 232 (0x___) Reserved */
|
| 561 |
|
|
asm_exception_handler, /* 233 (0x___) Reserved */
|
| 562 |
|
|
asm_exception_handler, /* 234 (0x___) Reserved */
|
| 563 |
|
|
asm_exception_handler, /* 235 (0x___) Reserved */
|
| 564 |
|
|
asm_exception_handler, /* 236 (0x___) Reserved */
|
| 565 |
|
|
asm_exception_handler, /* 237 (0x___) Reserved */
|
| 566 |
|
|
asm_exception_handler, /* 238 (0x___) Reserved */
|
| 567 |
|
|
asm_exception_handler, /* 239 (0x___) Reserved */
|
| 568 |
|
|
asm_exception_handler, /* 240 (0x___) Reserved */
|
| 569 |
|
|
asm_exception_handler, /* 241 (0x___) Reserved */
|
| 570 |
|
|
asm_exception_handler, /* 242 (0x___) Reserved */
|
| 571 |
|
|
asm_exception_handler, /* 243 (0x___) Reserved */
|
| 572 |
|
|
asm_exception_handler, /* 244 (0x___) Reserved */
|
| 573 |
|
|
asm_exception_handler, /* 245 (0x___) Reserved */
|
| 574 |
|
|
asm_exception_handler, /* 246 (0x___) Reserved */
|
| 575 |
|
|
asm_exception_handler, /* 247 (0x___) Reserved */
|
| 576 |
|
|
asm_exception_handler, /* 248 (0x___) Reserved */
|
| 577 |
|
|
asm_exception_handler, /* 249 (0x___) Reserved */
|
| 578 |
|
|
asm_exception_handler, /* 250 (0x___) Reserved */
|
| 579 |
|
|
asm_exception_handler, /* 251 (0x___) Reserved */
|
| 580 |
|
|
asm_exception_handler, /* 252 (0x___) Reserved */
|
| 581 |
|
|
asm_exception_handler, /* 253 (0x___) Reserved */
|
| 582 |
|
|
asm_exception_handler, /* 254 (0x___) Reserved */
|
| 583 |
|
|
asm_exception_handler, /* 255 (0x___) Reserved */
|
| 584 |
|
|
};
|
| 585 |
|
|
|
| 586 |
|
|
/********************************************************************
|
| 587 |
|
|
* MCF5xxx ASM utility functions
|
| 588 |
|
|
*/
|
| 589 |
|
|
asm void mcf5xxx_wr_vbr(unsigned long) { /* Set VBR */
|
| 590 |
|
|
move.l 4(SP),D0
|
| 591 |
|
|
movec d0,VBR
|
| 592 |
|
|
nop
|
| 593 |
|
|
rts
|
| 594 |
|
|
}
|
| 595 |
|
|
|
| 596 |
|
|
/********************************************************************
|
| 597 |
|
|
* MCF5xxx startup copy functions:
|
| 598 |
|
|
*
|
| 599 |
|
|
* Set VBR and performs RAM vector table initializatiom.
|
| 600 |
|
|
* The following symbol should be defined in the lcf:
|
| 601 |
|
|
* __VECTOR_RAM
|
| 602 |
|
|
*
|
| 603 |
|
|
* _vect is the start of the exception table in the code
|
| 604 |
|
|
* In case _vect address is different from __VECTOR_RAM,
|
| 605 |
|
|
* the vector table is copied from _vect to __VECTOR_RAM.
|
| 606 |
|
|
* In any case VBR is set to __VECTOR_RAM.
|
| 607 |
|
|
*/
|
| 608 |
|
|
void initialize_exceptions(void)
|
| 609 |
|
|
{
|
| 610 |
|
|
#if 0
|
| 611 |
|
|
/*
|
| 612 |
|
|
* Memory map definitions from linker command files used by mcf5xxx_startup
|
| 613 |
|
|
*/
|
| 614 |
|
|
|
| 615 |
|
|
register uint32 n;
|
| 616 |
|
|
|
| 617 |
|
|
/*
|
| 618 |
|
|
* Copy the vector table to RAM
|
| 619 |
|
|
*/
|
| 620 |
|
|
if (__VECTOR_RAM != (unsigned long*)_vect)
|
| 621 |
|
|
{
|
| 622 |
|
|
for (n = 0; n < 256; n++)
|
| 623 |
|
|
__VECTOR_RAM[n] = (unsigned long)_vect[n];
|
| 624 |
|
|
}
|
| 625 |
|
|
mcf5xxx_wr_vbr((unsigned long)__VECTOR_RAM);
|
| 626 |
|
|
#endif
|
| 627 |
|
|
|
| 628 |
|
|
mcf5xxx_wr_vbr((unsigned long)_vect);
|
| 629 |
|
|
}
|
| 630 |
|
|
|
| 631 |
|
|
#ifdef __cplusplus
|
| 632 |
|
|
}
|
| 633 |
|
|
#endif
|
