summaryrefslogtreecommitdiffstats
path: root/arch/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/openprom.h2
-rw-r--r--arch/sparc/include/asm/oplib_32.h4
-rw-r--r--arch/sparc/include/asm/oplib_64.h4
-rw-r--r--arch/sparc/prom/console_32.c50
-rw-r--r--arch/sparc/prom/console_64.c34
-rw-r--r--arch/sparc/prom/printf.c15
6 files changed, 55 insertions, 54 deletions
diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h
index 81cd43432dc..47eaafad15c 100644
--- a/arch/sparc/include/asm/openprom.h
+++ b/arch/sparc/include/asm/openprom.h
@@ -39,7 +39,7 @@ struct linux_dev_v2_funcs {
int (*v2_dev_open)(char *devpath);
void (*v2_dev_close)(int d);
int (*v2_dev_read)(int d, char *buf, int nbytes);
- int (*v2_dev_write)(int d, char *buf, int nbytes);
+ int (*v2_dev_write)(int d, const char *buf, int nbytes);
int (*v2_dev_seek)(int d, int hi, int lo);
/* Never issued (multistage load support) */
diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h
index 49fe4266f86..4c2539243e4 100644
--- a/arch/sparc/include/asm/oplib_32.h
+++ b/arch/sparc/include/asm/oplib_32.h
@@ -105,10 +105,10 @@ extern int prom_getprev(void);
/* Character operations to/from the console.... */
/* Blocking get character from console. */
-extern char prom_getchar(void);
+extern void prom_getchar(char *buf);
/* Blocking put character to console. */
-extern void prom_putchar(char character);
+extern void prom_putchar(const char *buf);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(const char *fmt, ...);
diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
index d541de4b684..384e558a6a3 100644
--- a/arch/sparc/include/asm/oplib_64.h
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -97,10 +97,10 @@ extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
/* Character operations to/from the console.... */
/* Blocking get character from console. */
-extern char prom_getchar(void);
+extern void prom_getchar(char *buf);
/* Blocking put character to console. */
-extern void prom_putchar(char character);
+extern void prom_putchar(const char *buf);
/* Prom's internal routines, don't use in kernel/boot code. */
extern void prom_printf(const char *fmt, ...);
diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c
index 2ce5acb45f2..69c16bbf1f4 100644
--- a/arch/sparc/prom/console_32.c
+++ b/arch/sparc/prom/console_32.c
@@ -19,27 +19,27 @@ 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.
*/
-static int prom_nbgetchar(void)
+static int prom_nbgetchar(char *buf)
{
- static char inc;
- int i = -1;
unsigned long flags;
+ int i = -1;
spin_lock_irqsave(&prom_lock, flags);
switch(prom_vers) {
case PROM_V0:
i = (*(romvec->pv_nbgetchar))();
+ if (i != -1) {
+ *buf = i;
+ i = 0;
+ }
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;
- }
+ if ((*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin,
+ buf, 0x1) == 1)
+ i = 0;
break;
default:
- i = -1;
break;
};
restore_current();
@@ -50,27 +50,23 @@ static int prom_nbgetchar(void)
/* Non blocking put character to console device, returns -1 if
* unsuccessful.
*/
-static int prom_nbputchar(char c)
+static int prom_nbputchar(const char *buf)
{
- 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);
+ i = (*(romvec->pv_nbputchar))(*buf);
break;
case PROM_V2:
case PROM_V3:
- outc = c;
- if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1)
+ if ((*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout,
+ buf, 0x1) == 1)
i = 0;
- else
- i = -1;
break;
default:
- i = -1;
break;
};
restore_current();
@@ -79,17 +75,21 @@ static int prom_nbputchar(char c)
}
/* Blocking version of get character routine above. */
-char
-prom_getchar(void)
+void prom_getchar(char *buf)
{
- int character;
- while((character = prom_nbgetchar()) == -1) ;
- return (char) character;
+ while (1) {
+ int err = prom_nbgetchar(buf);
+ if (!err)
+ break;
+ }
}
/* Blocking version of put character routine above. */
-void
-prom_putchar(char c)
+void prom_putchar(const char *buf)
{
- while(prom_nbputchar(c) == -1) ;
+ while (1) {
+ int err = prom_nbputchar(buf);
+ if (!err)
+ break;
+ }
}
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index 33a8b275d6a..a9a575433ce 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -18,41 +18,37 @@ extern int prom_stdin, prom_stdout;
/* Non blocking get character from console input device, returns -1
* if no input was taken. This can be used for polling.
*/
-static int prom_nbgetchar(void)
+static int prom_nbgetchar(char *buf)
{
unsigned long args[7];
- char inc;
args[0] = (unsigned long) "read";
args[1] = 3;
args[2] = 1;
args[3] = (unsigned int) prom_stdin;
- args[4] = (unsigned long) &inc;
+ args[4] = (unsigned long) buf;
args[5] = 1;
args[6] = (unsigned long) -1;
p1275_cmd_direct(args);
if (args[6] == 1)
- return inc;
+ return 0;
return -1;
}
/* Non blocking put character to console device, returns -1 if
* unsuccessful.
*/
-static int prom_nbputchar(char c)
+static int prom_nbputchar(const char *buf)
{
unsigned long args[7];
- char outc;
-
- outc = c;
args[0] = (unsigned long) "write";
args[1] = 3;
args[2] = 1;
args[3] = (unsigned int) prom_stdout;
- args[4] = (unsigned long) &outc;
+ args[4] = (unsigned long) buf;
args[5] = 1;
args[6] = (unsigned long) -1;
@@ -65,17 +61,21 @@ static int prom_nbputchar(char c)
}
/* Blocking version of get character routine above. */
-char
-prom_getchar(void)
+void prom_getchar(char *buf)
{
- int character;
- while((character = prom_nbgetchar()) == -1) ;
- return (char) character;
+ while (1) {
+ int err = prom_nbgetchar(buf);
+ if (!err)
+ break;
+ }
}
/* Blocking version of put character routine above. */
-void
-prom_putchar(char c)
+void prom_putchar(const char *buf)
{
- prom_nbputchar(c);
+ while (1) {
+ int err = prom_nbputchar(buf);
+ if (!err)
+ break;
+ }
}
diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c
index ca869266b9f..24031971f80 100644
--- a/arch/sparc/prom/printf.c
+++ b/arch/sparc/prom/printf.c
@@ -23,13 +23,14 @@ static char ppbuf[1024];
void notrace prom_write(const char *buf, unsigned int n)
{
- char ch;
-
- while (n != 0) {
- --n;
- if ((ch = *buf++) == '\n')
- prom_putchar('\r');
- prom_putchar(ch);
+ while (n-- != 0) {
+ char ch = *buf;
+ if (ch == '\n') {
+ char tmp = '\r';
+ prom_putchar(&tmp);
+ }
+ prom_putchar(buf);
+ buf++;
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 13:29:57 +0000