aboutsummaryrefslogtreecommitdiff
path: root/hw/misc/mips_itu.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/misc/mips_itu.c')
-rw-r--r--hw/misc/mips_itu.c35
1 files changed, 4 insertions, 31 deletions
diff --git a/hw/misc/mips_itu.c b/hw/misc/mips_itu.c
index 37aea0e737..f8acfb3ee2 100644
--- a/hw/misc/mips_itu.c
+++ b/hw/misc/mips_itu.c
@@ -86,7 +86,7 @@ static uint64_t itc_tag_read(void *opaque, hwaddr addr, unsigned size)
return tag->ITCAddressMap[index];
}
-void itc_reconfigure(MIPSITUState *tag)
+static void itc_reconfigure(MIPSITUState *tag)
{
uint64_t *am = &tag->ITCAddressMap[0];
MemoryRegion *mr = &tag->storage_io;
@@ -94,12 +94,6 @@ void itc_reconfigure(MIPSITUState *tag)
uint64_t size = (1 * KiB) + (am[1] & ITC_AM1_ADDR_MASK_MASK);
bool is_enabled = (am[0] & ITC_AM0_EN_MASK) != 0;
- if (tag->saar) {
- address = (tag->saar[0] & 0xFFFFFFFFE000ULL) << 4;
- size = 1ULL << ((tag->saar[0] >> 1) & 0x1f);
- is_enabled = tag->saar[0] & 1;
- }
-
memory_region_transaction_begin();
if (!(size & (size - 1))) {
memory_region_set_size(mr, size);
@@ -158,12 +152,7 @@ static inline ITCView get_itc_view(hwaddr addr)
static inline int get_cell_stride_shift(const MIPSITUState *s)
{
/* Minimum interval (for EntryGain = 0) is 128 B */
- if (s->saar) {
- return 7 + ((s->icr0 >> ITC_ICR0_BLK_GRAIN) &
- ITC_ICR0_BLK_GRAIN_MASK);
- } else {
- return 7 + (s->ITCAddressMap[1] & ITC_AM1_ENTRY_GRAIN_MASK);
- }
+ return 7 + (s->ITCAddressMap[1] & ITC_AM1_ENTRY_GRAIN_MASK);
}
static inline ITCStorageCell *get_cell(MIPSITUState *s,
@@ -516,7 +505,6 @@ static void mips_itu_init(Object *obj)
static void mips_itu_realize(DeviceState *dev, Error **errp)
{
MIPSITUState *s = MIPS_ITU(dev);
- CPUMIPSState *env;
if (s->num_fifo > ITC_FIFO_NUM_MAX) {
error_setg(errp, "Exceed maximum number of FIFO cells: %d",
@@ -528,15 +516,6 @@ static void mips_itu_realize(DeviceState *dev, Error **errp)
s->num_semaphores);
return;
}
- if (!s->cpu0) {
- error_setg(errp, "Missing 'cpu[0]' property");
- return;
- }
-
- env = &MIPS_CPU(s->cpu0)->env;
- if (env->saarp) {
- s->saar = env->CP0_SAAR;
- }
s->cell = g_new(ITCStorageCell, get_num_cells(s));
}
@@ -545,15 +524,10 @@ static void mips_itu_reset(DeviceState *dev)
{
MIPSITUState *s = MIPS_ITU(dev);
- if (s->saar) {
- s->saar[0] = 0x11 << 1;
- s->icr0 = get_num_cells(s) << ITC_ICR0_CELL_NUM;
- } else {
- s->ITCAddressMap[0] = 0;
- s->ITCAddressMap[1] =
+ s->ITCAddressMap[0] = 0;
+ s->ITCAddressMap[1] =
((ITC_STORAGE_ADDRSPACE_SZ - 1) & ITC_AM1_ADDR_MASK_MASK) |
(get_num_cells(s) << ITC_AM1_NUMENTRIES_OFS);
- }
itc_reconfigure(s);
itc_reset_cells(s);
@@ -564,7 +538,6 @@ static Property mips_itu_properties[] = {
ITC_FIFO_NUM_MAX),
DEFINE_PROP_UINT32("num-semaphores", MIPSITUState, num_semaphores,
ITC_SEMAPH_NUM_MAX),
- DEFINE_PROP_LINK("cpu[0]", MIPSITUState, cpu0, TYPE_MIPS_CPU, ArchCPU *),
DEFINE_PROP_END_OF_LIST(),
};