Signed-off-by: Hervé Poussineau <hpous...@reactos.org>
---
hw/net/dp8393x.c | 112 ++++++++++++++----------------------------------------
1 file changed, 28 insertions(+), 84 deletions(-)
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 802f2b0..f86a281 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -473,8 +473,10 @@ static void do_command(dp8393xState *s, uint16_t command)
do_load_cam(s);
}
-static uint16_t read_register(dp8393xState *s, int reg)
+static uint64_t dp8393x_read(void *opaque, hwaddr addr, unsigned int size)
{
+ dp8393xState *s = opaque;
+ int reg = addr >> s->it_shift;
uint16_t val = 0;
switch (reg) {
@@ -503,14 +505,18 @@ static uint16_t read_register(dp8393xState *s, int reg)
return val;
}
-static void write_register(dp8393xState *s, int reg, uint16_t val)
+static void dp8393x_write(void *opaque, hwaddr addr, uint64_t data,
+ unsigned int size)
{
+ dp8393xState *s = opaque;
+ int reg = addr >> s->it_shift;
+
DPRINTF("write 0x%04x to reg %s\n", val, reg_names[reg]);
switch (reg) {
/* Command register */
case SONIC_CR:
- do_command(s, val);
+ do_command(s, data);
break;
/* Prevent write to read-only registers */
case SONIC_CAP2:
@@ -523,36 +529,36 @@ static void write_register(dp8393xState *s, int reg,
uint16_t val)
/* Accept write to some registers only when in reset mode */
case SONIC_DCR:
if (s->regs[SONIC_CR] & SONIC_CR_RST) {
- s->regs[reg] = val & 0xbfff;
+ s->regs[reg] = data & 0xbfff;
} else {
DPRINTF("writing to DCR invalid\n");
}
break;
case SONIC_DCR2:
if (s->regs[SONIC_CR] & SONIC_CR_RST) {
- s->regs[reg] = val & 0xf017;
+ s->regs[reg] = data & 0xf017;
} else {
DPRINTF("writing to DCR2 invalid\n");
}
break;
/* 12 lower bytes are Read Only */
case SONIC_TCR:
- s->regs[reg] = val & 0xf000;
+ s->regs[reg] = data & 0xf000;
break;
/* 9 lower bytes are Read Only */
case SONIC_RCR:
- s->regs[reg] = val & 0xffe0;
+ s->regs[reg] = data & 0xffe0;
break;
/* Ignore most significant bit */
case SONIC_IMR:
- s->regs[reg] = val & 0x7fff;
+ s->regs[reg] = data & 0x7fff;
dp8393x_update_irq(s);
break;
/* Clear bits by writing 1 to them */
case SONIC_ISR:
- val &= s->regs[reg];
- s->regs[reg] &= ~val;
- if (val & SONIC_ISR_RBE) {
+ data &= s->regs[reg];
+ s->regs[reg] &= ~data;
+ if (data & SONIC_ISR_RBE) {
do_read_rra(s);
}
dp8393x_update_irq(s);
@@ -562,17 +568,17 @@ static void write_register(dp8393xState *s, int reg,
uint16_t val)
case SONIC_REA:
case SONIC_RRP:
case SONIC_RWP:
- s->regs[reg] = val & 0xfffe;
+ s->regs[reg] = data & 0xfffe;
break;
/* Invert written value for some registers */
case SONIC_CRCT:
case SONIC_FAET:
case SONIC_MPT:
- s->regs[reg] = val ^ 0xffff;
+ s->regs[reg] = data ^ 0xffff;
break;
/* All other registers have no special contrainst */
default:
- s->regs[reg] = val;
+ s->regs[reg] = data;
}
if (reg == SONIC_WT0 || reg == SONIC_WT1) {
@@ -580,6 +586,14 @@ static void write_register(dp8393xState *s, int reg,
uint16_t val)
}
}
+static const MemoryRegionOps dp8393x_ops = {
+ .read = dp8393x_read,
+ .write = dp8393x_write,
+ .impl.min_access_size = 2,
+ .impl.max_access_size = 2,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
static void dp8393x_watchdog(void *opaque)
{
dp8393xState *s = opaque;
@@ -597,76 +611,6 @@ static void dp8393x_watchdog(void *opaque)
dp8393x_update_irq(s);
}
-static uint32_t dp8393x_readw(void *opaque, hwaddr addr)
-{
- dp8393xState *s = opaque;
- int reg;
-
- if ((addr & ((1 << s->it_shift) - 1)) != 0) {
- return 0;
- }
-
- reg = addr >> s->it_shift;
- return read_register(s, reg);
-}
-
-static uint32_t dp8393x_readb(void *opaque, hwaddr addr)
-{
- uint16_t v = dp8393x_readw(opaque, addr & ~0x1);
- return (v >> (8 * (addr & 0x1))) & 0xff;
-}
-
-static uint32_t dp8393x_readl(void *opaque, hwaddr addr)
-{
- uint32_t v;
- v = dp8393x_readw(opaque, addr);
- v |= dp8393x_readw(opaque, addr + 2) << 16;
- return v;
-}
-
-static void dp8393x_writew(void *opaque, hwaddr addr, uint32_t val)
-{
- dp8393xState *s = opaque;
- int reg;
-
- if ((addr & ((1 << s->it_shift) - 1)) != 0) {
- return;
- }
-
- reg = addr >> s->it_shift;
-
- write_register(s, reg, (uint16_t)val);
-}
-
-static void dp8393x_writeb(void *opaque, hwaddr addr, uint32_t val)
-{
- uint16_t old_val = dp8393x_readw(opaque, addr & ~0x1);
-
- switch (addr & 3) {
- case 0:
- val = val | (old_val & 0xff00);
- break;
- case 1:
- val = (val << 8) | (old_val & 0x00ff);
- break;
- }
- dp8393x_writew(opaque, addr & ~0x1, val);
-}
-
-static void dp8393x_writel(void *opaque, hwaddr addr, uint32_t val)
-{
- dp8393x_writew(opaque, addr, val & 0xffff);
- dp8393x_writew(opaque, addr + 2, (val >> 16) & 0xffff);
-}
-
-static const MemoryRegionOps dp8393x_ops = {
- .old_mmio = {
- .read = { dp8393x_readb, dp8393x_readw, dp8393x_readl, },
- .write = { dp8393x_writeb, dp8393x_writew, dp8393x_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
static int nic_can_receive(NetClientState *nc)
{
dp8393xState *s = qemu_get_nic_opaque(nc);
--
1.7.10.4
