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-rw-r--r--hw/net/opencores_eth.c33
-rw-r--r--hw/xtensa/xtensa_lx60.c51
2 files changed, 78 insertions, 6 deletions
diff --git a/hw/net/opencores_eth.c b/hw/net/opencores_eth.c
index 4118d54ac8..4a443049dd 100644
--- a/hw/net/opencores_eth.c
+++ b/hw/net/opencores_eth.c
@@ -169,6 +169,7 @@ enum {
};
enum {
+ INT_SOURCE_BUSY = 0x10,
INT_SOURCE_RXB = 0x4,
INT_SOURCE_TXB = 0x1,
};
@@ -351,8 +352,7 @@ static int open_eth_can_receive(NetClientState *nc)
OpenEthState *s = qemu_get_nic_opaque(nc);
return GET_REGBIT(s, MODER, RXEN) &&
- (s->regs[TX_BD_NUM] < 0x80) &&
- (rx_desc(s)->len_flags & RXD_E);
+ (s->regs[TX_BD_NUM] < 0x80);
}
static ssize_t open_eth_receive(NetClientState *nc,
@@ -402,6 +402,12 @@ static ssize_t open_eth_receive(NetClientState *nc,
desc *desc = rx_desc(s);
size_t copy_size = GET_REGBIT(s, MODER, HUGEN) ? 65536 : maxfl;
+ if (!(desc->len_flags & RXD_E)) {
+ open_eth_int_source_write(s,
+ s->regs[INT_SOURCE] | INT_SOURCE_BUSY);
+ return size;
+ }
+
desc->len_flags &= ~(RXD_CF | RXD_M | RXD_OR |
RXD_IS | RXD_DN | RXD_TL | RXD_SF | RXD_CRC | RXD_LC);
@@ -551,6 +557,15 @@ static uint64_t open_eth_reg_read(void *opaque,
return v;
}
+static void open_eth_notify_can_receive(OpenEthState *s)
+{
+ NetClientState *nc = qemu_get_queue(s->nic);
+
+ if (open_eth_can_receive(nc)) {
+ qemu_flush_queued_packets(nc);
+ }
+}
+
static void open_eth_ro(OpenEthState *s, uint32_t val)
{
}
@@ -567,6 +582,7 @@ static void open_eth_moder_host_write(OpenEthState *s, uint32_t val)
if (set & MODER_RXEN) {
s->rx_desc = s->regs[TX_BD_NUM];
+ open_eth_notify_can_receive(s);
}
if (set & MODER_TXEN) {
s->tx_desc = 0;
@@ -592,6 +608,18 @@ static void open_eth_int_mask_host_write(OpenEthState *s, uint32_t val)
s->regs[INT_SOURCE] & s->regs[INT_MASK]);
}
+static void open_eth_tx_bd_num_host_write(OpenEthState *s, uint32_t val)
+{
+ if (val < 0x80) {
+ bool enable = s->regs[TX_BD_NUM] == 0x80;
+
+ s->regs[TX_BD_NUM] = val;
+ if (enable) {
+ open_eth_notify_can_receive(s);
+ }
+ }
+}
+
static void open_eth_mii_command_host_write(OpenEthState *s, uint32_t val)
{
unsigned fiad = GET_REGFIELD(s, MIIADDRESS, FIAD);
@@ -630,6 +658,7 @@ static void open_eth_reg_write(void *opaque,
[MODER] = open_eth_moder_host_write,
[INT_SOURCE] = open_eth_int_source_host_write,
[INT_MASK] = open_eth_int_mask_host_write,
+ [TX_BD_NUM] = open_eth_tx_bd_num_host_write,
[MIICOMMAND] = open_eth_mii_command_host_write,
[MIITX_DATA] = open_eth_mii_tx_host_write,
[MIISTATUS] = open_eth_ro,
diff --git a/hw/xtensa/xtensa_lx60.c b/hw/xtensa/xtensa_lx60.c
index 22e124d9ec..49c58d11a3 100644
--- a/hw/xtensa/xtensa_lx60.c
+++ b/hw/xtensa/xtensa_lx60.c
@@ -40,6 +40,7 @@
#include "xtensa_bootparam.h"
typedef struct LxBoardDesc {
+ hwaddr flash_base;
size_t flash_size;
size_t flash_sector_size;
size_t sram_size;
@@ -219,7 +220,7 @@ static void lx_init(const LxBoardDesc *board, QEMUMachineInitArgs *args)
dinfo = drive_get(IF_PFLASH, 0, 0);
if (dinfo) {
- flash = pflash_cfi01_register(0xf8000000,
+ flash = pflash_cfi01_register(board->flash_base,
NULL, "lx60.io.flash", board->flash_size,
dinfo->bdrv, board->flash_sector_size,
board->flash_size / board->flash_sector_size,
@@ -265,7 +266,9 @@ static void lx_init(const LxBoardDesc *board, QEMUMachineInitArgs *args)
MemoryRegion *flash_io = g_malloc(sizeof(*flash_io));
memory_region_init_alias(flash_io, NULL, "lx60.flash",
- flash_mr, 0, board->flash_size);
+ flash_mr, 0,
+ board->flash_size < 0x02000000 ?
+ board->flash_size : 0x02000000);
memory_region_add_subregion(system_memory, 0xfe000000,
flash_io);
}
@@ -275,7 +278,8 @@ static void lx_init(const LxBoardDesc *board, QEMUMachineInitArgs *args)
static void xtensa_lx60_init(QEMUMachineInitArgs *args)
{
static const LxBoardDesc lx60_board = {
- .flash_size = 0x400000,
+ .flash_base = 0xf8000000,
+ .flash_size = 0x00400000,
.flash_sector_size = 0x10000,
.sram_size = 0x20000,
};
@@ -285,13 +289,36 @@ static void xtensa_lx60_init(QEMUMachineInitArgs *args)
static void xtensa_lx200_init(QEMUMachineInitArgs *args)
{
static const LxBoardDesc lx200_board = {
- .flash_size = 0x1000000,
+ .flash_base = 0xf8000000,
+ .flash_size = 0x01000000,
.flash_sector_size = 0x20000,
.sram_size = 0x2000000,
};
lx_init(&lx200_board, args);
}
+static void xtensa_ml605_init(QEMUMachineInitArgs *args)
+{
+ static const LxBoardDesc ml605_board = {
+ .flash_base = 0xf8000000,
+ .flash_size = 0x02000000,
+ .flash_sector_size = 0x20000,
+ .sram_size = 0x2000000,
+ };
+ lx_init(&ml605_board, args);
+}
+
+static void xtensa_kc705_init(QEMUMachineInitArgs *args)
+{
+ static const LxBoardDesc kc705_board = {
+ .flash_base = 0xf0000000,
+ .flash_size = 0x08000000,
+ .flash_sector_size = 0x20000,
+ .sram_size = 0x2000000,
+ };
+ lx_init(&kc705_board, args);
+}
+
static QEMUMachine xtensa_lx60_machine = {
.name = "lx60",
.desc = "lx60 EVB (" XTENSA_DEFAULT_CPU_MODEL ")",
@@ -306,10 +333,26 @@ static QEMUMachine xtensa_lx200_machine = {
.max_cpus = 4,
};
+static QEMUMachine xtensa_ml605_machine = {
+ .name = "ml605",
+ .desc = "ml605 EVB (" XTENSA_DEFAULT_CPU_MODEL ")",
+ .init = xtensa_ml605_init,
+ .max_cpus = 4,
+};
+
+static QEMUMachine xtensa_kc705_machine = {
+ .name = "kc705",
+ .desc = "kc705 EVB (" XTENSA_DEFAULT_CPU_MODEL ")",
+ .init = xtensa_kc705_init,
+ .max_cpus = 4,
+};
+
static void xtensa_lx_machines_init(void)
{
qemu_register_machine(&xtensa_lx60_machine);
qemu_register_machine(&xtensa_lx200_machine);
+ qemu_register_machine(&xtensa_ml605_machine);
+ qemu_register_machine(&xtensa_kc705_machine);
}
machine_init(xtensa_lx_machines_init);