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Add configury for mips-lsi-elf target (32 bit MIPS16).

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Fix numerous problems with PENDING_* code.
In old gencode simulator, don't double tick each cycle.
Add BREAK instruction to MIPS16 gencode simulator.
This commit is contained in:
Andrew Cagney
1998-11-12 06:42:34 +00:00
parent 93db5513ee
commit d1cbd70abb
7 changed files with 135 additions and 84 deletions
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43
sim/mips/sim-main.c
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@ -791,7 +791,7 @@ pending_tick (SIM_DESC SD,
address_word cia)
{
if (PENDING_TRACE)
sim_io_printf (SD, "PENDING_DRAIN - pending_in = %d, pending_out = %d, pending_total = %d\n", PENDING_IN, PENDING_OUT, PENDING_TOTAL);
sim_io_eprintf (SD, "PENDING_DRAIN - 0x%lx - pending_in = %d, pending_out = %d, pending_total = %d\n", (unsigned long) cia, PENDING_IN, PENDING_OUT, PENDING_TOTAL);
if (PENDING_OUT != PENDING_IN)
{
int loop;
@ -799,17 +799,26 @@ pending_tick (SIM_DESC SD,
int total = PENDING_TOTAL;
if (PENDING_TOTAL == 0)
sim_engine_abort (SD, CPU, cia, "PENDING_DRAIN - Mis-match on pending update pointers\n");
for (loop = 0; (loop < total); loop++)
for (loop = 0, index = PENDING_OUT;
(loop < total);
loop++, index = (index + 1) % PSLOTS)
{
if (PENDING_SLOT_DEST[index] != NULL)
{
PENDING_SLOT_DELAY[index] -= 1;
if (PENDING_SLOT_DELAY[index] == 0)
{
if (PENDING_TRACE)
sim_io_eprintf (SD, "PENDING_DRAIN - drained - index %d, dest 0x%lx, bit %d, val 0x%lx, size %d\n",
index,
(unsigned long) PENDING_SLOT_DEST[index],
PENDING_SLOT_BIT[index],
(unsigned long) PENDING_SLOT_VALUE[index],
PENDING_SLOT_SIZE[index]);
if (PENDING_SLOT_BIT[index] >= 0)
switch (PENDING_SLOT_SIZE[index])
{
case 32:
case 4:
if (PENDING_SLOT_VALUE[index])
*(unsigned32*)PENDING_SLOT_DEST[index] |=
BIT32 (PENDING_SLOT_BIT[index]);
@ -817,7 +826,7 @@ pending_tick (SIM_DESC SD,
*(unsigned32*)PENDING_SLOT_DEST[index] &=
BIT32 (PENDING_SLOT_BIT[index]);
break;
case 64:
case 8:
if (PENDING_SLOT_VALUE[index])
*(unsigned64*)PENDING_SLOT_DEST[index] |=
BIT64 (PENDING_SLOT_BIT[index]);
@ -825,30 +834,36 @@ pending_tick (SIM_DESC SD,
*(unsigned64*)PENDING_SLOT_DEST[index] &=
BIT64 (PENDING_SLOT_BIT[index]);
break;
break;
}
else
switch (PENDING_SLOT_SIZE[index])
{
case 32:
case 4:
*(unsigned32*)PENDING_SLOT_DEST[index] =
PENDING_SLOT_VALUE[index];
break;
case 64:
case 8:
*(unsigned64*)PENDING_SLOT_DEST[index] =
PENDING_SLOT_VALUE[index];
break;
}
if (PENDING_OUT == index)
{
PENDING_SLOT_DEST[index] = NULL;
PENDING_OUT = (PENDING_OUT + 1) % PSLOTS;
PENDING_TOTAL--;
}
}
if (PENDING_OUT == index)
{
PENDING_SLOT_DEST[index] = NULL;
PENDING_OUT = (PENDING_OUT + 1) % PSLOTS;
PENDING_TOTAL--;
}
else if (PENDING_TRACE && PENDING_SLOT_DELAY[index] > 0)
sim_io_eprintf (SD, "PENDING_DRAIN - queued - index %d, delay %d, dest 0x%lx, bit %d, val 0x%lx, size %d\n",
index, PENDING_SLOT_DELAY[index],
(unsigned long) PENDING_SLOT_DEST[index],
PENDING_SLOT_BIT[index],
(unsigned long) PENDING_SLOT_VALUE[index],
PENDING_SLOT_SIZE[index]);
}
}
index = (index + 1) % PSLOTS;
}
}