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-rw-r--r--hw/net/dp8393x.c390
1 files changed, 200 insertions, 190 deletions
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 7ce13d2b4..ab607e484 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -17,20 +17,15 @@
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#include "hw/hw.h"
-#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/devices.h"
#include "net/net.h"
-#include "hw/mips/mips.h"
+#include "qemu/timer.h"
+#include <zlib.h>
//#define DEBUG_SONIC
-/* Calculate CRCs properly on Rx packets */
-#define SONIC_CALCULATE_RXCRC
-
-#if defined(SONIC_CALCULATE_RXCRC)
-/* For crc32 */
-#include <zlib.h>
-#endif
+#define SONIC_PROM_SIZE 0x1000
#ifdef DEBUG_SONIC
#define DPRINTF(fmt, ...) \
@@ -145,9 +140,14 @@ do { printf("sonic ERROR: %s: " fmt, __func__ , ## __VA_ARGS__); } while (0)
#define SONIC_ISR_PINT 0x0800
#define SONIC_ISR_LCD 0x1000
+#define TYPE_DP8393X "dp8393x"
+#define DP8393X(obj) OBJECT_CHECK(dp8393xState, (obj), TYPE_DP8393X)
+
typedef struct dp8393xState {
+ SysBusDevice parent_obj;
+
/* Hardware */
- int it_shift;
+ uint8_t it_shift;
qemu_irq irq;
#ifdef DEBUG_SONIC
int irq_level;
@@ -156,8 +156,8 @@ typedef struct dp8393xState {
int64_t wt_last_update;
NICConf conf;
NICState *nic;
- MemoryRegion *address_space;
MemoryRegion mmio;
+ MemoryRegion prom;
/* Registers */
uint8_t cam[16][6];
@@ -168,8 +168,8 @@ typedef struct dp8393xState {
int loopback_packet;
/* Memory access */
- void (*memory_rw)(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write);
- void* mem_opaque;
+ void *dma_mr;
+ AddressSpace as;
} dp8393xState;
static void dp8393x_update_irq(dp8393xState *s)
@@ -190,7 +190,7 @@ static void dp8393x_update_irq(dp8393xState *s)
qemu_set_irq(s->irq, level);
}
-static void do_load_cam(dp8393xState *s)
+static void dp8393x_do_load_cam(dp8393xState *s)
{
uint16_t data[8];
int width, size;
@@ -201,9 +201,9 @@ static void do_load_cam(dp8393xState *s)
while (s->regs[SONIC_CDC] & 0x1f) {
/* Fill current entry */
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
(s->regs[SONIC_URRA] << 16) | s->regs[SONIC_CDP],
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
s->cam[index][0] = data[1 * width] & 0xff;
s->cam[index][1] = data[1 * width] >> 8;
s->cam[index][2] = data[2 * width] & 0xff;
@@ -220,9 +220,9 @@ static void do_load_cam(dp8393xState *s)
}
/* Read CAM enable */
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
(s->regs[SONIC_URRA] << 16) | s->regs[SONIC_CDP],
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
s->regs[SONIC_CE] = data[0 * width];
DPRINTF("load cam done. cam enable mask 0x%04x\n", s->regs[SONIC_CE]);
@@ -232,7 +232,7 @@ static void do_load_cam(dp8393xState *s)
dp8393x_update_irq(s);
}
-static void do_read_rra(dp8393xState *s)
+static void dp8393x_do_read_rra(dp8393xState *s)
{
uint16_t data[8];
int width, size;
@@ -240,9 +240,9 @@ static void do_read_rra(dp8393xState *s)
/* Read memory */
width = (s->regs[SONIC_DCR] & SONIC_DCR_DW) ? 2 : 1;
size = sizeof(uint16_t) * 4 * width;
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
(s->regs[SONIC_URRA] << 16) | s->regs[SONIC_RRP],
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
/* Update SONIC registers */
s->regs[SONIC_CRBA0] = data[0 * width];
@@ -272,7 +272,7 @@ static void do_read_rra(dp8393xState *s)
s->regs[SONIC_CR] &= ~SONIC_CR_RRRA;
}
-static void do_software_reset(dp8393xState *s)
+static void dp8393x_do_software_reset(dp8393xState *s)
{
timer_del(s->watchdog);
@@ -280,7 +280,7 @@ static void do_software_reset(dp8393xState *s)
s->regs[SONIC_CR] |= SONIC_CR_RST | SONIC_CR_RXDIS;
}
-static void set_next_tick(dp8393xState *s)
+static void dp8393x_set_next_tick(dp8393xState *s)
{
uint32_t ticks;
int64_t delay;
@@ -296,7 +296,7 @@ static void set_next_tick(dp8393xState *s)
timer_mod(s->watchdog, s->wt_last_update + delay);
}
-static void update_wt_regs(dp8393xState *s)
+static void dp8393x_update_wt_regs(dp8393xState *s)
{
int64_t elapsed;
uint32_t val;
@@ -311,33 +311,38 @@ static void update_wt_regs(dp8393xState *s)
val -= elapsed / 5000000;
s->regs[SONIC_WT1] = (val >> 16) & 0xffff;
s->regs[SONIC_WT0] = (val >> 0) & 0xffff;
- set_next_tick(s);
+ dp8393x_set_next_tick(s);
}
-static void do_start_timer(dp8393xState *s)
+static void dp8393x_do_start_timer(dp8393xState *s)
{
s->regs[SONIC_CR] &= ~SONIC_CR_STP;
- set_next_tick(s);
+ dp8393x_set_next_tick(s);
}
-static void do_stop_timer(dp8393xState *s)
+static void dp8393x_do_stop_timer(dp8393xState *s)
{
s->regs[SONIC_CR] &= ~SONIC_CR_ST;
- update_wt_regs(s);
+ dp8393x_update_wt_regs(s);
}
-static void do_receiver_enable(dp8393xState *s)
+static int dp8393x_can_receive(NetClientState *nc);
+
+static void dp8393x_do_receiver_enable(dp8393xState *s)
{
s->regs[SONIC_CR] &= ~SONIC_CR_RXDIS;
+ if (dp8393x_can_receive(s->nic->ncs)) {
+ qemu_flush_queued_packets(qemu_get_queue(s->nic));
+ }
}
-static void do_receiver_disable(dp8393xState *s)
+static void dp8393x_do_receiver_disable(dp8393xState *s)
{
s->regs[SONIC_CR] &= ~SONIC_CR_RXEN;
}
-static void do_transmit_packets(dp8393xState *s)
+static void dp8393x_do_transmit_packets(dp8393xState *s)
{
NetClientState *nc = qemu_get_queue(s->nic);
uint16_t data[12];
@@ -353,9 +358,9 @@ static void do_transmit_packets(dp8393xState *s)
(s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_CTDA]);
size = sizeof(uint16_t) * 6 * width;
s->regs[SONIC_TTDA] = s->regs[SONIC_CTDA];
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
((s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA]) + sizeof(uint16_t) * width,
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
tx_len = 0;
/* Update registers */
@@ -379,18 +384,18 @@ static void do_transmit_packets(dp8393xState *s)
if (tx_len + len > sizeof(s->tx_buffer)) {
len = sizeof(s->tx_buffer) - tx_len;
}
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
(s->regs[SONIC_TSA1] << 16) | s->regs[SONIC_TSA0],
- &s->tx_buffer[tx_len], len, 0);
+ MEMTXATTRS_UNSPECIFIED, &s->tx_buffer[tx_len], len, 0);
tx_len += len;
i++;
if (i != s->regs[SONIC_TFC]) {
/* Read next fragment details */
size = sizeof(uint16_t) * 3 * width;
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
((s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA]) + sizeof(uint16_t) * (4 + 3 * i) * width,
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
s->regs[SONIC_TSA0] = data[0 * width];
s->regs[SONIC_TSA1] = data[1 * width];
s->regs[SONIC_TFS] = data[2 * width];
@@ -422,16 +427,16 @@ static void do_transmit_packets(dp8393xState *s)
/* Write status */
data[0 * width] = s->regs[SONIC_TCR] & 0x0fff; /* status */
size = sizeof(uint16_t) * width;
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
(s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA],
- (uint8_t *)data, size, 1);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 1);
if (!(s->regs[SONIC_CR] & SONIC_CR_HTX)) {
/* Read footer of packet */
size = sizeof(uint16_t) * width;
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
((s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA]) + sizeof(uint16_t) * (4 + 3 * s->regs[SONIC_TFC]) * width,
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
s->regs[SONIC_CTDA] = data[0 * width] & ~0x1;
if (data[0 * width] & 0x1) {
/* EOL detected */
@@ -446,12 +451,12 @@ static void do_transmit_packets(dp8393xState *s)
dp8393x_update_irq(s);
}
-static void do_halt_transmission(dp8393xState *s)
+static void dp8393x_do_halt_transmission(dp8393xState *s)
{
/* Nothing to do */
}
-static void do_command(dp8393xState *s, uint16_t command)
+static void dp8393x_do_command(dp8393xState *s, uint16_t command)
{
if ((s->regs[SONIC_CR] & SONIC_CR_RST) && !(command & SONIC_CR_RST)) {
s->regs[SONIC_CR] &= ~SONIC_CR_RST;
@@ -461,34 +466,36 @@ static void do_command(dp8393xState *s, uint16_t command)
s->regs[SONIC_CR] |= (command & SONIC_CR_MASK);
if (command & SONIC_CR_HTX)
- do_halt_transmission(s);
+ dp8393x_do_halt_transmission(s);
if (command & SONIC_CR_TXP)
- do_transmit_packets(s);
+ dp8393x_do_transmit_packets(s);
if (command & SONIC_CR_RXDIS)
- do_receiver_disable(s);
+ dp8393x_do_receiver_disable(s);
if (command & SONIC_CR_RXEN)
- do_receiver_enable(s);
+ dp8393x_do_receiver_enable(s);
if (command & SONIC_CR_STP)
- do_stop_timer(s);
+ dp8393x_do_stop_timer(s);
if (command & SONIC_CR_ST)
- do_start_timer(s);
+ dp8393x_do_start_timer(s);
if (command & SONIC_CR_RST)
- do_software_reset(s);
+ dp8393x_do_software_reset(s);
if (command & SONIC_CR_RRRA)
- do_read_rra(s);
+ dp8393x_do_read_rra(s);
if (command & SONIC_CR_LCAM)
- do_load_cam(s);
+ dp8393x_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) {
/* Update data before reading it */
case SONIC_WT0:
case SONIC_WT1:
- update_wt_regs(s);
+ dp8393x_update_wt_regs(s);
val = s->regs[reg];
break;
/* Accept read to some registers only when in reset mode */
@@ -510,14 +517,18 @@ 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)
{
- DPRINTF("write 0x%04x to reg %s\n", val, reg_names[reg]);
+ dp8393xState *s = opaque;
+ int reg = addr >> s->it_shift;
+
+ DPRINTF("write 0x%04x to reg %s\n", (uint16_t)data, reg_names[reg]);
switch (reg) {
/* Command register */
case SONIC_CR:
- do_command(s, val);
+ dp8393x_do_command(s, data);
break;
/* Prevent write to read-only registers */
case SONIC_CAP2:
@@ -530,63 +541,74 @@ 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) {
- do_read_rra(s);
+ data &= s->regs[reg];
+ s->regs[reg] &= ~data;
+ if (data & SONIC_ISR_RBE) {
+ dp8393x_do_read_rra(s);
}
dp8393x_update_irq(s);
+ if (dp8393x_can_receive(s->nic->ncs)) {
+ qemu_flush_queued_packets(qemu_get_queue(s->nic));
+ }
break;
/* Ignore least significant bit */
case SONIC_RSA:
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) {
- set_next_tick(s);
+ dp8393x_set_next_tick(s);
}
}
+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;
@@ -597,84 +619,14 @@ static void dp8393x_watchdog(void *opaque)
s->regs[SONIC_WT1] = 0xffff;
s->regs[SONIC_WT0] = 0xffff;
- set_next_tick(s);
+ dp8393x_set_next_tick(s);
/* Signal underflow */
s->regs[SONIC_ISR] |= SONIC_ISR_TC;
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)
+static int dp8393x_can_receive(NetClientState *nc)
{
dp8393xState *s = qemu_get_nic_opaque(nc);
@@ -685,16 +637,12 @@ static int nic_can_receive(NetClientState *nc)
return 1;
}
-static int receive_filter(dp8393xState *s, const uint8_t * buf, int size)
+static int dp8393x_receive_filter(dp8393xState *s, const uint8_t * buf,
+ int size)
{
static const uint8_t bcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
int i;
- /* Check for runt packet (remember that checksum is not there) */
- if (size < 64 - 4) {
- return (s->regs[SONIC_RCR] & SONIC_RCR_RNT) ? 0 : -1;
- }
-
/* Check promiscuous mode */
if ((s->regs[SONIC_RCR] & SONIC_RCR_PRO) && (buf[0] & 1) == 0) {
return 0;
@@ -723,7 +671,8 @@ static int receive_filter(dp8393xState *s, const uint8_t * buf, int size)
return -1;
}
-static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
+static ssize_t dp8393x_receive(NetClientState *nc, const uint8_t * buf,
+ size_t size)
{
dp8393xState *s = qemu_get_nic_opaque(nc);
uint16_t data[10];
@@ -737,7 +686,7 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
s->regs[SONIC_RCR] &= ~(SONIC_RCR_PRX | SONIC_RCR_LBK | SONIC_RCR_FAER |
SONIC_RCR_CRCR | SONIC_RCR_LPKT | SONIC_RCR_BC | SONIC_RCR_MC);
- packet_type = receive_filter(s, buf, size);
+ packet_type = dp8393x_receive_filter(s, buf, size);
if (packet_type < 0) {
DPRINTF("packet not for netcard\n");
return -1;
@@ -750,7 +699,8 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
/* Are we still in resource exhaustion? */
size = sizeof(uint16_t) * 1 * width;
address = ((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) + sizeof(uint16_t) * 5 * width;
- s->memory_rw(s->mem_opaque, address, (uint8_t*)data, size, 0);
+ address_space_rw(&s->as, address, MEMTXATTRS_UNSPECIFIED,
+ (uint8_t *)data, size, 0);
if (data[0 * width] & 0x1) {
/* Still EOL ; stop reception */
return -1;
@@ -764,18 +714,16 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
s->regs[SONIC_TRBA0] = s->regs[SONIC_CRBA0];
/* Calculate the ethernet checksum */
-#ifdef SONIC_CALCULATE_RXCRC
checksum = cpu_to_le32(crc32(0, buf, rx_len));
-#else
- checksum = 0;
-#endif
/* Put packet into RBA */
DPRINTF("Receive packet at %08x\n", (s->regs[SONIC_CRBA1] << 16) | s->regs[SONIC_CRBA0]);
address = (s->regs[SONIC_CRBA1] << 16) | s->regs[SONIC_CRBA0];
- s->memory_rw(s->mem_opaque, address, (uint8_t*)buf, rx_len, 1);
+ address_space_rw(&s->as, address,
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)buf, rx_len, 1);
address += rx_len;
- s->memory_rw(s->mem_opaque, address, (uint8_t*)&checksum, 4, 1);
+ address_space_rw(&s->as, address,
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)&checksum, 4, 1);
rx_len += 4;
s->regs[SONIC_CRBA1] = address >> 16;
s->regs[SONIC_CRBA0] = address & 0xffff;
@@ -803,29 +751,30 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
data[3 * width] = s->regs[SONIC_TRBA1]; /* pkt_ptr1 */
data[4 * width] = s->regs[SONIC_RSC]; /* seq_no */
size = sizeof(uint16_t) * 5 * width;
- s->memory_rw(s->mem_opaque, (s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA], (uint8_t *)data, size, 1);
+ address_space_rw(&s->as, (s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA],
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 1);
/* Move to next descriptor */
size = sizeof(uint16_t) * width;
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) + sizeof(uint16_t) * 5 * width,
- (uint8_t *)data, size, 0);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0);
s->regs[SONIC_LLFA] = data[0 * width];
if (s->regs[SONIC_LLFA] & 0x1) {
/* EOL detected */
s->regs[SONIC_ISR] |= SONIC_ISR_RDE;
} else {
data[0 * width] = 0; /* in_use */
- s->memory_rw(s->mem_opaque,
+ address_space_rw(&s->as,
((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) + sizeof(uint16_t) * 6 * width,
- (uint8_t *)data, size, 1);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, sizeof(uint16_t), 1);
s->regs[SONIC_CRDA] = s->regs[SONIC_LLFA];
s->regs[SONIC_ISR] |= SONIC_ISR_PKTRX;
s->regs[SONIC_RSC] = (s->regs[SONIC_RSC] & 0xff00) | (((s->regs[SONIC_RSC] & 0x00ff) + 1) & 0x00ff);
if (s->regs[SONIC_RCR] & SONIC_RCR_LPKT) {
/* Read next RRA */
- do_read_rra(s);
+ dp8393x_do_read_rra(s);
}
}
@@ -835,11 +784,12 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
return size;
}
-static void nic_reset(void *opaque)
+static void dp8393x_reset(DeviceState *dev)
{
- dp8393xState *s = opaque;
+ dp8393xState *s = DP8393X(dev);
timer_del(s->watchdog);
+ memset(s->regs, 0, sizeof(s->regs));
s->regs[SONIC_CR] = SONIC_CR_RST | SONIC_CR_STP | SONIC_CR_RXDIS;
s->regs[SONIC_DCR] &= ~(SONIC_DCR_EXBUS | SONIC_DCR_LBR);
s->regs[SONIC_RCR] &= ~(SONIC_RCR_LB0 | SONIC_RCR_LB1 | SONIC_RCR_BRD | SONIC_RCR_RNT);
@@ -862,39 +812,99 @@ static void nic_reset(void *opaque)
static NetClientInfo net_dp83932_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
- .can_receive = nic_can_receive,
- .receive = nic_receive,
+ .can_receive = dp8393x_can_receive,
+ .receive = dp8393x_receive,
};
-void dp83932_init(NICInfo *nd, hwaddr base, int it_shift,
- MemoryRegion *address_space,
- qemu_irq irq, void* mem_opaque,
- void (*memory_rw)(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write))
+static void dp8393x_instance_init(Object *obj)
+{
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+ dp8393xState *s = DP8393X(obj);
+
+ sysbus_init_mmio(sbd, &s->mmio);
+ sysbus_init_mmio(sbd, &s->prom);
+ sysbus_init_irq(sbd, &s->irq);
+}
+
+static void dp8393x_realize(DeviceState *dev, Error **errp)
{
- dp8393xState *s;
+ dp8393xState *s = DP8393X(dev);
+ int i, checksum;
+ uint8_t *prom;
+ Error *local_err = NULL;
- qemu_check_nic_model(nd, "dp83932");
+ address_space_init(&s->as, s->dma_mr, "dp8393x");
+ memory_region_init_io(&s->mmio, OBJECT(dev), &dp8393x_ops, s,
+ "dp8393x-regs", 0x40 << s->it_shift);
- s = g_malloc0(sizeof(dp8393xState));
+ s->nic = qemu_new_nic(&net_dp83932_info, &s->conf,
+ object_get_typename(OBJECT(dev)), dev->id, s);
+ qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
- s->address_space = address_space;
- s->mem_opaque = mem_opaque;
- s->memory_rw = memory_rw;
- s->it_shift = it_shift;
- s->irq = irq;
s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s);
s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */
- s->conf.macaddr = nd->macaddr;
- s->conf.peers.ncs[0] = nd->netdev;
+ memory_region_init_ram(&s->prom, OBJECT(dev),
+ "dp8393x-prom", SONIC_PROM_SIZE, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+ memory_region_set_readonly(&s->prom, true);
+ prom = memory_region_get_ram_ptr(&s->prom);
+ checksum = 0;
+ for (i = 0; i < 6; i++) {
+ prom[i] = s->conf.macaddr.a[i];
+ checksum += prom[i];
+ if (checksum > 0xff) {
+ checksum = (checksum + 1) & 0xff;
+ }
+ }
+ prom[7] = 0xff - checksum;
+}
+
+static const VMStateDescription vmstate_dp8393x = {
+ .name = "dp8393x",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = (VMStateField []) {
+ VMSTATE_BUFFER_UNSAFE(cam, dp8393xState, 0, 16 * 6),
+ VMSTATE_UINT16_ARRAY(regs, dp8393xState, 0x40),
+ VMSTATE_END_OF_LIST()
+ }
+};
- s->nic = qemu_new_nic(&net_dp83932_info, &s->conf, nd->model, nd->name, s);
+static Property dp8393x_properties[] = {
+ DEFINE_NIC_PROPERTIES(dp8393xState, conf),
+ DEFINE_PROP_PTR("dma_mr", dp8393xState, dma_mr),
+ DEFINE_PROP_UINT8("it_shift", dp8393xState, it_shift, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
- qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
- qemu_register_reset(nic_reset, s);
- nic_reset(s);
+static void dp8393x_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
+ dc->realize = dp8393x_realize;
+ dc->reset = dp8393x_reset;
+ dc->vmsd = &vmstate_dp8393x;
+ dc->props = dp8393x_properties;
+ /* Reason: dma_mr property can't be set */
+ dc->cannot_instantiate_with_device_add_yet = true;
+}
+
+static const TypeInfo dp8393x_info = {
+ .name = TYPE_DP8393X,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(dp8393xState),
+ .instance_init = dp8393x_instance_init,
+ .class_init = dp8393x_class_init,
+};
- memory_region_init_io(&s->mmio, NULL, &dp8393x_ops, s,
- "dp8393x", 0x40 << it_shift);
- memory_region_add_subregion(address_space, base, &s->mmio);
+static void dp8393x_register_types(void)
+{
+ type_register_static(&dp8393x_info);
}
+
+type_init(dp8393x_register_types)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 15:43:31 +0000