mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-01-18 15:30:21 +00:00
Code Issues Releases Activity

Allow uart to attach to keyboards that are not the firmware's notion of

Browse Source 
stdin, such as when using a serial console.  We must recognize these
devices here so that we can override the tty attach routine.
This commit is contained in:
Jake Burkholder 2003-11-11 06:52:04 +00:00
parent 7b9346ced8
commit d8c43e4c41
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122466
1 changed files with 34 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
sys/dev/uart/uart_cpu_sparc64.c
View File

@ -39,6 +39,8 @@ __FBSDID("$FreeBSD$");
#include <dev/uart/uart.h>
#include <dev/uart/uart_cpu.h>
static phandle_t uart_cpu_getdev_keyboard(phandle_t root);
static struct bus_space_tag bst_store[3];
static int
@ -65,6 +67,25 @@ uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
return ((b1->bsh == b2->bsh) ? 1 : 0);
}
static phandle_t
uart_cpu_getdev_keyboard(phandle_t root)
{
phandle_t child;
phandle_t node;
char buf[32];
for (child = OF_child(root); child != 0 && child != -1;
child = OF_peer(child)) {
if (OF_getprop(child, "device_type", buf, sizeof(buf)) != -1 &&
!strcmp(buf, "serial") &&
OF_getprop(child, "keyboard", buf, sizeof(buf)) != -1)
return (child);
if ((node = uart_cpu_getdev_keyboard(child)) != -1)
return (node);
}
return (-1);
}
int
uart_cpu_getdev(int devtype, struct uart_devinfo *di)
{
@ -86,20 +107,17 @@ uart_cpu_getdev(int devtype, struct uart_devinfo *di)
* I would assume that the user expects that FreeBSD uses the new
* console setting. There's choice choice, really.
*/
if ((options = OF_finddevice("/options")) == -1)
return (ENXIO);
if (OF_getprop(options, "input-device", dev, sizeof(dev)) == -1)
return (ENXIO);
if ((input = OF_finddevice(dev)) == -1)
return (ENXIO);
if (OF_getprop(input, "device_type", buf, sizeof(buf)) == -1)
return (ENXIO);
if (strcmp(buf, "serial"))
return (ENODEV);
if (devtype == UART_DEV_KEYBOARD) {
if (OF_getprop(input, "keyboard", buf, sizeof(buf)) == -1)
if ((options = OF_finddevice("/options")) == -1)
return (ENXIO);
if (devtype == UART_DEV_CONSOLE) {
if (OF_getprop(options, "input-device", dev, sizeof(dev)) == -1)
return (ENXIO);
} else if (devtype == UART_DEV_CONSOLE) {
if ((input = OF_finddevice(dev)) == -1)
return (ENXIO);
if (OF_getprop(input, "device_type", buf, sizeof(buf)) == -1)
return (ENXIO);
if (strcmp(buf, "serial"))
return (ENODEV);
if (OF_getprop(options, "output-device", buf, sizeof(buf))
== -1)
return (ENXIO);
@ -107,6 +125,9 @@ uart_cpu_getdev(int devtype, struct uart_devinfo *di)
return (ENXIO);
if (input != output)
return (ENXIO);
} else if (devtype == UART_DEV_KEYBOARD) {
if ((input = uart_cpu_getdev_keyboard(OF_peer(0))) == -1)
return (ENXIO);
} else
return (ENODEV);