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/*
* %LINUX_LICENSE%
*
*
*
*
*
*
*
*
*
*
*
* Tilera TILE Processor hypervisor console
*/
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <hv/hypervisor.h>
#include "hvc_console.h"
static int hvc_tile_put_chars(uint32_t vt, const char *buf, int count)
{
return hv_console_write((HV_VirtAddr)buf, count);
}
static int hvc_tile_get_chars(uint32_t vt, char *buf, int count)
{
int i, c;
for (i = 0; i < count; ++i) {
c = hv_console_read_if_ready();
if (c < 0)
break;
buf[i] = c;
}
return i;
}
static const struct hv_ops hvc_tile_get_put_ops = {
.get_chars = hvc_tile_get_chars,
.put_chars = hvc_tile_put_chars,
};
static int __init hvc_tile_console_init(void)
{
extern void disable_early_printk(void);
hvc_instantiate(0, 0, &hvc_tile_get_put_ops);
add_preferred_console("hvc", 0, NULL);
disable_early_printk();
return 0;
}
console_initcall(hvc_tile_console_init);
static int __init hvc_tile_init(void)
{
hvc_alloc(0, 0, &hvc_tile_get_put_ops, 128);
return 0;
}
device_initcall(hvc_tile_init);
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