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You put the function address in the interrupt table, and preceed the actual function with something like: #pragma interrupt. Syed Raza wrote: > > Hi All > > I am using EVB3067 and HDI (Hitachi Deb. Interface). I use Linux (gcc-2.95.2, newlib-1.8.2, binutils-2.9) for compiling my C code.I want to use two > interrupts (receive and transmit).In FAQ it says that gcc doesnt support writing interrupt handler. > > What i have done is .. > > i put the receive function (the one i want to call by an interrupt) in to a vector table, then i compile my main program and vector table saperately > and then make an *.out file by linking with ldscript. > But i doestn work. Can any one please give my some hints how to do that > > do i need to do any changes in my crt0.S file ? > > thanx in advance > syed > > ======================================================= > vector table "vect.c" > ============================================= > #include "ioh83067.h" > extern void start(void); > void empty(void) { } > void my_interrupt (void) > { > } > > typedef void (*irq_func)(void); > irq_func _vectors[92] __attribute__ ((section (".vectors"))) = { > start, /* 0 */ > empty,/* 1 */ > empty,/* 84 - ERI1 */ > receive,/* 85 - RXI1 */ > empty,/* 86 - TXI1 */ > }; > > ================================================= > main.c > ================================================ > #include "ioh83067.h" > #include "vect.c" > main > { > } -- ******************************************* * Russell Shaw, B.Eng, M.Eng(Research) * * email: russell@webaxs.net * * Victoria, Australia * ******************************************* ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sourceware.cygnus.com
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