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* SYSCALL now uses exception vector.

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* SKY: New memory mapping rules for k1seg, k0seg.
* Modified Files: ChangeLog.sky ChangeLog interp.c sim-main.c
This commit is contained in:
Ian Carmichael
1998-06-02 19:53:36 +00:00
parent 936433a9fd
commit 8e3a0b599f
3 changed files with 75 additions and 36 deletions
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32
sim/mips/interp.c
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@@ -462,6 +462,7 @@ sim_open (kind, cb, abfd, argv)
{
/* Allocate core managed memory */
#ifndef TARGET_SKY
/* the monitor */
sim_do_commandf (sd, "memory region 0x%lx,0x%lx", MONITOR_BASE, MONITOR_SIZE);
/* For compatibility with the old code - under this (at level one)
@@ -469,7 +470,6 @@ sim_open (kind, cb, abfd, argv)
smaller sub region */
sim_do_command(sd," memory region 0x7fff8000,0x8000") ; /* MTZ- 32 k stack */
/* start-sanitize-sky */
#ifndef TARGET_SKY
/* end-sanitize-sky */
sim_do_commandf (sd, "memory alias 0x%lx@1,0x%lx%%0x%lx,0x%0x",
K1BASE, K0SIZE,
@@ -477,11 +477,12 @@ sim_open (kind, cb, abfd, argv)
K0BASE);
/* start-sanitize-sky */
#else
sim_do_commandf (sd, "memory alias 0x%lx@1,0x%lx%%0x%lx,0x%0x,0x%0x",
K1BASE, K0SIZE,
MEM_SIZE, /* actual size */
K0BASE,
0); /* add alias at 0x0000 */
/* the monitor */
sim_do_commandf (sd, "memory region 0x%lx,0x%lx", MONITOR_BASE - K1BASE, MONITOR_SIZE);
sim_do_command (sd," memory region 0x7fff8000,0x8000") ; /* MTZ- 32 k stack */
/* 16M @ 0x0. Aliases at 0x80000000 and 0xA0000000 are handled by
address_translation() */
sim_do_commandf (sd, "memory size 0x%lx", MEM_SIZE);
#endif
/* end-sanitize-sky */
@@ -1772,23 +1773,6 @@ signal_exception (SIM_DESC sd,
switch (exception) {
case SystemCall :
{
va_list ap;
unsigned int instruction;
unsigned int code;
va_start(ap,exception);
instruction = va_arg(ap,unsigned int);
va_end(ap);
code = (instruction >> 6) & 0xFFFFF;
sim_io_eprintf(sd,"Ignoring instruction `syscall %d' (PC 0x%s)\n",
code, pr_addr(cia));
}
break;
case DebugBreakPoint :
if (! (Debug & Debug_DM))
{
@@ -1974,12 +1958,12 @@ signal_exception (SIM_DESC sd,
sim_engine_halt (SD, CPU, NULL, NULL_CIA,
sim_stopped, SIM_SIGFPE);
case SystemCall:
case Trap:
sim_engine_restart (SD, CPU, NULL, PC);
break;
case Watch:
case SystemCall:
PC = EPC;
sim_engine_halt (SD, CPU, NULL, NULL_CIA,
sim_stopped, SIM_SIGTRAP);