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Diffstat (limited to 'hw/openpic.c')
-rw-r--r--hw/openpic.c138
1 files changed, 48 insertions, 90 deletions
diff --git a/hw/openpic.c b/hw/openpic.c
index 122ce7614f..1d714f4d7c 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -461,7 +461,8 @@ static inline void write_IRQreg_ipvp(openpic_t *opp, int n_IRQ, uint32_t val)
opp->src[n_IRQ].ipvp);
}
-static void openpic_gbl_write (void *opaque, hwaddr addr, uint32_t val)
+static void openpic_gbl_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned len)
{
openpic_t *opp = opaque;
IRQ_dst_t *dst;
@@ -527,7 +528,7 @@ static void openpic_gbl_write (void *opaque, hwaddr addr, uint32_t val)
}
}
-static uint32_t openpic_gbl_read (void *opaque, hwaddr addr)
+static uint64_t openpic_gbl_read(void *opaque, hwaddr addr, unsigned len)
{
openpic_t *opp = opaque;
uint32_t retval;
@@ -584,7 +585,8 @@ static uint32_t openpic_gbl_read (void *opaque, hwaddr addr)
return retval;
}
-static void openpic_timer_write (void *opaque, uint32_t addr, uint32_t val)
+static void openpic_timer_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned len)
{
openpic_t *opp = opaque;
int idx;
@@ -615,7 +617,7 @@ static void openpic_timer_write (void *opaque, uint32_t addr, uint32_t val)
}
}
-static uint32_t openpic_timer_read (void *opaque, uint32_t addr)
+static uint64_t openpic_timer_read(void *opaque, hwaddr addr, unsigned len)
{
openpic_t *opp = opaque;
uint32_t retval;
@@ -648,7 +650,8 @@ static uint32_t openpic_timer_read (void *opaque, uint32_t addr)
return retval;
}
-static void openpic_src_write (void *opaque, uint32_t addr, uint32_t val)
+static void openpic_src_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned len)
{
openpic_t *opp = opaque;
int idx;
@@ -667,7 +670,7 @@ static void openpic_src_write (void *opaque, uint32_t addr, uint32_t val)
}
}
-static uint32_t openpic_src_read (void *opaque, uint32_t addr)
+static uint64_t openpic_src_read(void *opaque, uint64_t addr, unsigned len)
{
openpic_t *opp = opaque;
uint32_t retval;
@@ -749,7 +752,8 @@ static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
}
}
-static void openpic_cpu_write(void *opaque, hwaddr addr, uint32_t val)
+static void openpic_cpu_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned len)
{
openpic_cpu_write_internal(opaque, addr, val, (addr & 0x1f000) >> 12);
}
@@ -833,96 +837,63 @@ static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,
return retval;
}
-static uint32_t openpic_cpu_read(void *opaque, hwaddr addr)
+static uint64_t openpic_cpu_read(void *opaque, hwaddr addr, unsigned len)
{
return openpic_cpu_read_internal(opaque, addr, (addr & 0x1f000) >> 12);
}
-static void openpic_buggy_write (void *opaque,
- hwaddr addr, uint32_t val)
-{
- printf("Invalid OPENPIC write access !\n");
-}
-
-static uint32_t openpic_buggy_read (void *opaque, hwaddr addr)
-{
- printf("Invalid OPENPIC read access !\n");
-
- return -1;
-}
-
-static void openpic_writel (void *opaque,
- hwaddr addr, uint32_t val)
+static void openpic_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned len)
{
openpic_t *opp = opaque;
- addr &= 0x3FFFF;
DPRINTF("%s: offset %08x val: %08x\n", __func__, (int)addr, val);
if (addr < 0x1100) {
/* Global registers */
- openpic_gbl_write(opp, addr, val);
+ openpic_gbl_write(opp, addr, val, len);
} else if (addr < 0x10000) {
/* Timers registers */
- openpic_timer_write(opp, addr, val);
+ openpic_timer_write(opp, addr, val, len);
} else if (addr < 0x20000) {
/* Source registers */
- openpic_src_write(opp, addr, val);
+ openpic_src_write(opp, addr, val, len);
} else {
/* CPU registers */
- openpic_cpu_write(opp, addr, val);
+ openpic_cpu_write(opp, addr, val, len);
}
}
-static uint32_t openpic_readl (void *opaque,hwaddr addr)
+static uint64_t openpic_read(void *opaque, hwaddr addr, unsigned len)
{
openpic_t *opp = opaque;
uint32_t retval;
- addr &= 0x3FFFF;
DPRINTF("%s: offset %08x\n", __func__, (int)addr);
if (addr < 0x1100) {
/* Global registers */
- retval = openpic_gbl_read(opp, addr);
+ retval = openpic_gbl_read(opp, addr, len);
} else if (addr < 0x10000) {
/* Timers registers */
- retval = openpic_timer_read(opp, addr);
+ retval = openpic_timer_read(opp, addr, len);
} else if (addr < 0x20000) {
/* Source registers */
- retval = openpic_src_read(opp, addr);
+ retval = openpic_src_read(opp, addr, len);
} else {
/* CPU registers */
- retval = openpic_cpu_read(opp, addr);
+ retval = openpic_cpu_read(opp, addr, len);
}
return retval;
}
-static uint64_t openpic_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- openpic_t *opp = opaque;
-
- switch (size) {
- case 4: return openpic_readl(opp, addr);
- default: return openpic_buggy_read(opp, addr);
- }
-}
-
-static void openpic_write(void *opaque, hwaddr addr,
- uint64_t data, unsigned size)
-{
- openpic_t *opp = opaque;
-
- switch (size) {
- case 4: return openpic_writel(opp, addr, data);
- default: return openpic_buggy_write(opp, addr, data);
- }
-}
-
static const MemoryRegionOps openpic_ops = {
.read = openpic_read,
.write = openpic_write,
.endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
static void openpic_save_IRQ_queue(QEMUFile* f, IRQ_queue_t *q)
@@ -1131,7 +1102,8 @@ static void mpic_reset (void *opaque)
mpp->glbc = 0x00000000;
}
-static void mpic_timer_write (void *opaque, hwaddr addr, uint32_t val)
+static void mpic_timer_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned len)
{
openpic_t *mpp = opaque;
int idx, cpu;
@@ -1139,7 +1111,6 @@ static void mpic_timer_write (void *opaque, hwaddr addr, uint32_t val)
DPRINTF("%s: addr " TARGET_FMT_plx " <= %08x\n", __func__, addr, val);
if (addr & 0xF)
return;
- addr &= 0xFFFF;
cpu = addr >> 12;
idx = (addr >> 6) & 0x3;
switch (addr & 0x30) {
@@ -1164,7 +1135,7 @@ static void mpic_timer_write (void *opaque, hwaddr addr, uint32_t val)
}
}
-static uint32_t mpic_timer_read (void *opaque, hwaddr addr)
+static uint64_t mpic_timer_read(void *opaque, hwaddr addr, unsigned len)
{
openpic_t *mpp = opaque;
uint32_t retval;
@@ -1174,7 +1145,6 @@ static uint32_t mpic_timer_read (void *opaque, hwaddr addr)
retval = 0xFFFFFFFF;
if (addr & 0xF)
return retval;
- addr &= 0xFFFF;
cpu = addr >> 12;
idx = (addr >> 6) & 0x3;
switch (addr & 0x30) {
@@ -1242,45 +1212,33 @@ static uint64_t mpic_src_irq_read(void *opaque, hwaddr addr, unsigned len)
}
static const MemoryRegionOps mpic_glb_ops = {
- .old_mmio = {
- .write = { openpic_buggy_write,
- openpic_buggy_write,
- openpic_gbl_write,
- },
- .read = { openpic_buggy_read,
- openpic_buggy_read,
- openpic_gbl_read,
- },
- },
+ .write = openpic_gbl_write,
+ .read = openpic_gbl_read,
.endianness = DEVICE_BIG_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
static const MemoryRegionOps mpic_tmr_ops = {
- .old_mmio = {
- .write = { openpic_buggy_write,
- openpic_buggy_write,
- mpic_timer_write,
- },
- .read = { openpic_buggy_read,
- openpic_buggy_read,
- mpic_timer_read,
- },
- },
+ .write = mpic_timer_write,
+ .read = mpic_timer_read,
.endianness = DEVICE_BIG_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
static const MemoryRegionOps mpic_cpu_ops = {
- .old_mmio = {
- .write = { openpic_buggy_write,
- openpic_buggy_write,
- openpic_cpu_write,
- },
- .read = { openpic_buggy_read,
- openpic_buggy_read,
- openpic_cpu_read,
- },
- },
+ .write = openpic_cpu_write,
+ .read = openpic_cpu_read,
.endianness = DEVICE_BIG_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
static const MemoryRegionOps mpic_irq_ops = {
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-11-14 17:04:54 +0100