diff options
author | Sam Ravnborg <sam@ravnborg.org> | 2008-11-29 22:15:38 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2008-12-04 09:17:16 -0800 |
commit | 708d4f09647106d549c646dc459c7ccf2c237cc8 (patch) | |
tree | 23657862535d88fcb71bc416c51c27cd480a93c4 /arch/sparc/prom/console.c | |
parent | 5e53879008b9acefe9f43498fd36db7376e08739 (diff) |
sparc: prepare prom/ for unification
- rename files where sparc64 uses identical names to *_32.c
- refactor Makefile (but keep linking order)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/prom/console.c')
-rw-r--r-- | arch/sparc/prom/console.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/arch/sparc/prom/console.c b/arch/sparc/prom/console.c deleted file mode 100644 index b3075d73fc19..000000000000 --- a/arch/sparc/prom/console.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * console.c: Routines that deal with sending and receiving IO - * to/from the current console device using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Pete Zaitcev <zaitcev@yahoo.com> - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <linux/string.h> - -extern void restore_current(void); - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -int -prom_nbgetchar(void) -{ - static char inc; - int i = -1; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbgetchar))(); - break; - case PROM_V2: - case PROM_V3: - if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) { - i = inc; - } else { - i = -1; - } - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -int -prom_nbputchar(char c) -{ - static char outc; - unsigned long flags; - int i = -1; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbputchar))(c); - break; - case PROM_V2: - case PROM_V3: - outc = c; - if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1) - i = 0; - else - i = -1; - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Blocking version of get character routine above. */ -char -prom_getchar(void) -{ - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; -} - -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - while(prom_nbputchar(c) == -1) ; - return; -} |