Changeset 7a8c866a in mainline for arch/mips32/src/interrupt.c

Timestamp:

2005-12-10T17:51:36Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2312685

Parents:

e5fcf00

Message:

Move all MIPS exceptions to generic dispatcher.
Align size in malloc() to native size, some architectures
don't like it unaligned.

File:

• arch/mips32/src/interrupt.c (modified) (4 diffs)

arch/mips32/src/interrupt.c

@@ -33 +33 @@
 #include <arch/cp0.h>
 #include <time/clock.h>
-#include <panic.h>
-#include <print.h>
-#include <symtab.h>
 #include <arch/drivers/arc.h>
-
-static void print_regdump(struct exception_regdump *pstate)
-{
-        char *pcsymbol = "";
-        char *rasymbol = "";
-
-        char *s = get_symtab_entry(pstate->epc);
-        if (s)
-                pcsymbol = s;
-        s = get_symtab_entry(pstate->ra);
-        if (s)
-                rasymbol = s;
-        
-        printf("PC: %X(%s) RA: %X(%s)\n",pstate->epc,pcsymbol,
-               pstate->ra,rasymbol);
-}
 
 /** Disable interrupts.
@@ -94 +75 @@
 }
 
-static void unhandled_exception(int n, void *stack)
-{
-        struct exception_regdump *pstate = (struct exception_regdump *)stack;
-
-        print_regdump(pstate);
-        panic("unhandled interrupt %d\n", n);
-}
-
 static void timer_exception(int n, void *stack)
 {
@@ -118 +91 @@
 }
 
-/** Basic exception handler */
-void interrupt(struct exception_regdump *pstate)
-{
-        __u32 cause;
-        int i;
-        
-        /* decode interrupt number and process the interrupt */
-        cause = (cp0_cause_read() >> 8) &0xff;
-        
-        for (i = 0; i < 8; i++)
-                if (cause & (1 << i))
-                        exc_dispatch(i, (void *)pstate);
-}
-
 /* Initialize basic tables for exception dispatching */
 void interrupt_init(void)
@@ -137 +96 @@
         int i;
 
-        for (i=0;i < IVT_ITEMS; i++)
-                exc_register(i, "undef", unhandled_exception);
-
-        exc_register(TIMER_IRQ, "timer", timer_exception);
-        exc_register(0, "swint0", swint0);
-        exc_register(1, "swint1", swint1);
+        int_register(TIMER_IRQ, "timer", timer_exception);
+        int_register(0, "swint0", swint0);
+        int_register(1, "swint1", swint1);
 }