Staging
v0.8.1
v0.8.1
swh:1:snp:a902887e4be9191b7c6c4406aa06b31c1ce2c7cc
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- v3.9-rc8
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- v3.19-rc1
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- v3.18-rc7
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- v3.16-rc1
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- v3.14-rc8
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- v3.10
- v3.1-rc9
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- v3.0-rc1
- v3.0
- v2.6.39-rc7
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- v2.6.38-rc1
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- v2.6.32
- v2.6.31-rc9
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- v2.6.31-rc1
- v2.6.31
- v2.6.30-rc8
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- v2.6.30-rc1
- v2.6.30
- v2.6.29-rc8
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- v2.6.29-rc1
- v2.6.29
- v2.6.28-rc9
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- v2.6.28-rc1
- v2.6.28
- v2.6.27-rc9
- v2.6.27-rc8
- v2.6.27-rc7
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- v2.6.27-rc1
- v2.6.27
- v2.6.26-rc9
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- v2.6.26-rc1
- v2.6.26
- v2.6.25-rc9
- v2.6.25-rc8
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- v2.6.25-rc1
- v2.6.25
- v2.6.24-rc8
- v2.6.24-rc7
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- v2.6.24-rc3
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- v2.6.24-rc1
- v2.6.24
- v2.6.23-rc9
- v2.6.23-rc8
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- v2.6.23-rc1
- v2.6.23
- v2.6.22-rc7
- v2.6.22-rc6
- v2.6.22-rc5
- v2.6.22-rc4
- v2.6.22-rc3
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- v2.6.22-rc1
- v2.6.22
- v2.6.21-rc7
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- v2.6.21-rc1
- v2.6.21
- v2.6.20-rc7
- v2.6.20-rc6
- v2.6.20-rc5
- v2.6.20-rc4
- v2.6.20-rc3
- v2.6.20-rc2
- v2.6.20-rc1
- v2.6.20
- v2.6.19-rc6
- v2.6.19-rc5
- v2.6.19-rc4
- v2.6.19-rc3
- v2.6.19-rc2
- v2.6.19-rc1
- v2.6.19
- v2.6.18-rc7
- v2.6.18-rc6
- v2.6.18-rc5
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- v2.6.18-rc1
- v2.6.18
- v2.6.17-rc6
- v2.6.17-rc5
- v2.6.17-rc4
- v2.6.17-rc3
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- v2.6.17-rc1
- v2.6.17
- v2.6.16-rc6
- v2.6.16-rc5
- v2.6.16-rc4
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- v2.6.16-rc1
- v2.6.16
- v2.6.15-rc7
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- v2.6.15-rc1
- v2.6.15
- v2.6.14-rc5
- v2.6.14-rc4
- v2.6.14-rc3
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Tip revision: 021c91791a5e7e85c567452f1be3e4c2c6cb6063 authored by Linus Torvalds on 01 July 2018, 23:04:53 UTC
Linux 4.18-rc3
Linux 4.18-rc3
Tip revision: 021c917
misc.c
// SPDX-License-Identifier: GPL-2.0
/*
* misc.c: Miscellaneous prom functions that don't belong
* anywhere else.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <asm/sun3-head.h>
#include <asm/idprom.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#include <asm/movs.h>
/* Reset and reboot the machine with the command 'bcommand'. */
void
prom_reboot(char *bcommand)
{
unsigned long flags;
local_irq_save(flags);
(*(romvec->pv_reboot))(bcommand);
local_irq_restore(flags);
}
/* Drop into the prom, with the chance to continue with the 'go'
* prom command.
*/
void
prom_cmdline(void)
{
}
/* Drop into the prom, but completely terminate the program.
* No chance of continuing.
*/
void
prom_halt(void)
{
unsigned long flags;
again:
local_irq_save(flags);
(*(romvec->pv_halt))();
local_irq_restore(flags);
goto again; /* PROM is out to get me -DaveM */
}
typedef void (*sfunc_t)(void);
/* Get the idprom and stuff it into buffer 'idbuf'. Returns the
* format type. 'num_bytes' is the number of bytes that your idbuf
* has space for. Returns 0xff on error.
*/
unsigned char
prom_get_idprom(char *idbuf, int num_bytes)
{
int i, oldsfc;
GET_SFC(oldsfc);
SET_SFC(FC_CONTROL);
for(i=0;i<num_bytes; i++)
{
/* There is a problem with the GET_CONTROL_BYTE
macro; defining the extra variable
gets around it.
*/
int c;
GET_CONTROL_BYTE(SUN3_IDPROM_BASE + i, c);
idbuf[i] = c;
}
SET_SFC(oldsfc);
return idbuf[0];
}
/* Get the major prom version number. */
int
prom_version(void)
{
return romvec->pv_romvers;
}
/* Get the prom plugin-revision. */
int
prom_getrev(void)
{
return prom_rev;
}
/* Get the prom firmware print revision. */
int
prom_getprev(void)
{
return prom_prev;
}