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