Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-31 05:55:46 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

qemu-armv7a/rpserver and rpproxy: support the rpmsg port uart

Browse Source 
Use virtio-serial as the rpmsg-port-uart serial device, so we
can bringup the rpmsg-port-uart in qemu platform.

And update the documents:
nuttx/Documentation/platforms/arm/qemu/boards/qemu-armv7a/index.rst

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
This commit is contained in:
Bowen Wang
2026-01-05 15:09:18 +08:00
committed by Xiang Xiao
parent aa0467057c
commit 0ff7014f75
4 changed files with 72 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
boards/arm/qemu/qemu-armv7a/configs/rpproxy_ivshmem/defconfig
+4
View File
@@ -42,6 +42,9 @@ CONFIG_DEBUG_PCI_WARN=y
CONFIG_DEBUG_SYMBOLS=y
CONFIG_DEVICE_TREE=y
CONFIG_DEV_SIMPLE_ADDRENV=y
CONFIG_DRIVERS_VIRTIO=y
CONFIG_DRIVERS_VIRTIO_MMIO=y
CONFIG_DRIVERS_VIRTIO_SERIAL=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_RPMSGSOCKET=y
CONFIG_EXPERIMENTAL=y
@@ -86,6 +89,7 @@ CONFIG_READLINE_CMD_HISTORY=y
CONFIG_READLINE_TABCOMPLETION=y
CONFIG_RPMSGMTD=y
CONFIG_RPMSG_PING=y
CONFIG_RPMSG_PORT_UART=y
CONFIG_RPTUN=y
CONFIG_RPTUN_IVSHMEM=y
CONFIG_RPTUN_IVSHMEM_NAME="0:server:s"
boards/arm/qemu/qemu-armv7a/configs/rpserver_ivshmem/defconfig
+4
View File
@@ -44,6 +44,9 @@ CONFIG_DEBUG_SYMBOLS=y
CONFIG_DEVICE_TREE=y
CONFIG_DEV_RPMSG_SERVER=y
CONFIG_DEV_SIMPLE_ADDRENV=y
CONFIG_DRIVERS_VIRTIO=y
CONFIG_DRIVERS_VIRTIO_MMIO=y
CONFIG_DRIVERS_VIRTIO_SERIAL=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_RPMSGSOCKET=y
CONFIG_EXPERIMENTAL=y
@@ -86,6 +89,7 @@ CONFIG_RAW_BINARY=y
CONFIG_READLINE_CMD_HISTORY=y
CONFIG_READLINE_TABCOMPLETION=y
CONFIG_RPMSG_PING=y
CONFIG_RPMSG_PORT_UART=y
CONFIG_RPTUN=y
CONFIG_RPTUN_IVSHMEM=y
CONFIG_RPTUN_IVSHMEM_NAME="0:proxy:m"
boards/arm/qemu/qemu-armv7a/src/qemu_bringup.c
+58
View File
@@ -31,6 +31,7 @@
#include <nuttx/fs/fs.h>
#include <nuttx/fdt.h>
#include <nuttx/rpmsg/rpmsg_port.h>
#ifdef CONFIG_LIBC_FDT
# include <libfdt.h>
@@ -97,6 +98,54 @@ static void register_devices_from_fdt(void)
#endif
/****************************************************************************
* Name: rpmsg_port_uart_init
****************************************************************************/
#ifdef CONFIG_RPMSG_PORT_UART
static int rpmsg_port_uart_init(void)
{
const char *remotecpu;
const char *localcpu;
int ret;
if (strcmp(CONFIG_LIBC_HOSTNAME, "server") == 0)
{
localcpu = "server2";
remotecpu = "proxy2";
}
else if (strcmp(CONFIG_LIBC_HOSTNAME, "proxy") == 0)
{
localcpu = "proxy2";
remotecpu = "server2";
}
else
{
syslog(LOG_ERR, "ERROR: hostname must be server or proxy, now: %s\n",
CONFIG_LIBC_HOSTNAME);
return -EINVAL;
}
const struct rpmsg_port_config_s cfg =
{
.remotecpu = remotecpu,
.txnum = 8,
.rxnum = 8,
.txlen = 2048,
.rxlen = 2048,
};
ret = rpmsg_port_uart_initialize(&cfg, "/dev/ttyV0", localcpu);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to initialize rpmsg port uart: %d\n", ret);
}
return ret;
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -148,6 +197,15 @@ int qemu_bringup(void)
}
#endif
#ifdef CONFIG_RPMSG_PORT_UART
ret = rpmsg_port_uart_init();
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to initialize rpmsg port uart: %d\n", ret);
}
#endif
UNUSED(ret);
return OK;
}