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authorHervé Poussineau <hpoussin@reactos.org>2015-06-03 22:45:46 +0200
committerLeon Alrae <leon.alrae@imgtec.com>2015-06-11 10:13:30 +0100
commit89ae0ff9b73ee74c9ba707a09a07ad77b9fdccb4 (patch)
tree230b6791c657a95811e72538e409ba89fbd7b129 /hw/net/dp8393x.c
parent104655a5c818ea8de1329cef50d1cc8defc524f3 (diff)
downloadqemu-89ae0ff9b73ee74c9ba707a09a07ad77b9fdccb4.tar.gz
net/dp8393x: add PROM to store MAC address
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'hw/net/dp8393x.c')
-rw-r--r--hw/net/dp8393x.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 51e728b586..ef1fb0e69c 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -25,6 +25,7 @@
//#define DEBUG_SONIC
+#define SONIC_PROM_SIZE 0x1000
#ifdef DEBUG_SONIC
#define DPRINTF(fmt, ...) \
@@ -156,6 +157,7 @@ typedef struct dp8393xState {
NICConf conf;
NICState *nic;
MemoryRegion mmio;
+ MemoryRegion prom;
/* Registers */
uint8_t cam[16][6];
@@ -816,12 +818,15 @@ static void dp8393x_instance_init(Object *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 = DP8393X(dev);
+ int i, checksum;
+ uint8_t *prom;
address_space_init(&s->as, s->dma_mr, "dp8393x");
memory_region_init_io(&s->mmio, OBJECT(dev), &dp8393x_ops, s,
@@ -833,6 +838,19 @@ static void dp8393x_realize(DeviceState *dev, Error **errp)
s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s);
s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */
+
+ memory_region_init_rom_device(&s->prom, OBJECT(dev), NULL, NULL,
+ "dp8393x-prom", SONIC_PROM_SIZE, NULL);
+ 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 Property dp8393x_properties[] = {