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Diffstat (limited to 'arch/powerpc/xmon/start_8xx.c')
-rw-r--r--arch/powerpc/xmon/start_8xx.c255
1 files changed, 6 insertions, 249 deletions
diff --git a/arch/powerpc/xmon/start_8xx.c b/arch/powerpc/xmon/start_8xx.c
index a48bd594cf61..4c17b0486ad5 100644
--- a/arch/powerpc/xmon/start_8xx.c
+++ b/arch/powerpc/xmon/start_8xx.c
@@ -15,273 +15,30 @@
 #include <asm/8xx_immap.h>
 #include <asm/mpc8xx.h>
 #include <asm/commproc.h>
+#include "nonstdio.h"
 
-extern void xmon_printf(const char *fmt, ...);
 extern int xmon_8xx_write(char *str, int nb);
 extern int xmon_8xx_read_poll(void);
 extern int xmon_8xx_read_char(void);
-void prom_drawhex(uint);
-void prom_drawstring(const char *str);
 
-static int use_screen = 1; /* default */
-
-#define TB_SPEED	25000000
-
-static inline unsigned int readtb(void)
-{
-	unsigned int ret;
-
-	asm volatile("mftb %0" : "=r" (ret) :);
-	return ret;
-}
-
-void buf_access(void)
-{
-}
-
-void
-xmon_map_scc(void)
+void xmon_map_scc(void)
 {
-
 	cpmp = (cpm8xx_t *)&(((immap_t *)IMAP_ADDR)->im_cpm);
-	use_screen = 0;
-	
-	prom_drawstring("xmon uses serial port\n");
 }
 
-static int scc_initialized = 0;
-
 void xmon_init_scc(void);
 
-int
-xmon_write(void *handle, void *ptr, int nb)
+int xmon_write(void *ptr, int nb)
 {
-	char *p = ptr;
-	int i, c, ct;
-
-	if (!scc_initialized)
-		xmon_init_scc();
-
 	return(xmon_8xx_write(ptr, nb));
 }
 
-int xmon_wants_key;
-
-int
-xmon_read(void *handle, void *ptr, int nb)
+int xmon_readchar(void)
 {
-	char *p = ptr;
-	int i;
-
-	if (!scc_initialized)
-		xmon_init_scc();
-
-	for (i = 0; i < nb; ++i) {
-		*p++ = xmon_8xx_read_char();
-	}
-	return i;
+	return xmon_8xx_read_char();
 }
 
-int
-xmon_read_poll(void)
+int xmon_read_poll(void)
 {
 	return(xmon_8xx_read_poll());
 }
-
-void
-xmon_init_scc()
-{
-	scc_initialized = 1;
-}
-
-#if 0
-extern int (*prom_entry)(void *);
-
-int
-xmon_exit(void)
-{
-    struct prom_args {
-	char *service;
-    } args;
-
-    for (;;) {
-	args.service = "exit";
-	(*prom_entry)(&args);
-    }
-}
-#endif
-
-void *xmon_stdin;
-void *xmon_stdout;
-void *xmon_stderr;
-
-void
-xmon_init(void)
-{
-}
-
-int
-xmon_putc(int c, void *f)
-{
-    char ch = c;
-
-    if (c == '\n')
-	xmon_putc('\r', f);
-    return xmon_write(f, &ch, 1) == 1? c: -1;
-}
-
-int
-xmon_putchar(int c)
-{
-    return xmon_putc(c, xmon_stdout);
-}
-
-int
-xmon_fputs(char *str, void *f)
-{
-    int n = strlen(str);
-
-    return xmon_write(f, str, n) == n? 0: -1;
-}
-
-int
-xmon_readchar(void)
-{
-    char ch;
-
-    for (;;) {
-	switch (xmon_read(xmon_stdin, &ch, 1)) {
-	case 1:
-	    return ch;
-	case -1:
-	    xmon_printf("read(stdin) returned -1\r\n", 0, 0);
-	    return -1;
-	}
-    }
-}
-
-static char line[256];
-static char *lineptr;
-static int lineleft;
-
-#if 0
-int xmon_expect(const char *str, unsigned int timeout)
-{
-	int c;
-	unsigned int t0;
-
-	timeout *= TB_SPEED;
-	t0 = readtb();
-	do {
-		lineptr = line;
-		for (;;) {
-			c = xmon_read_poll();
-			if (c == -1) {
-				if (readtb() - t0 > timeout)
-					return 0;
-				continue;
-			}
-			if (c == '\n')
-				break;
-			if (c != '\r' && lineptr < &line[sizeof(line) - 1])
-				*lineptr++ = c;
-		}
-		*lineptr = 0;
-	} while (strstr(line, str) == NULL);
-	return 1;
-}
-#endif
-
-int
-xmon_getchar(void)
-{
-    int c;
-
-    if (lineleft == 0) {
-	lineptr = line;
-	for (;;) {
-	    c = xmon_readchar();
-	    if (c == -1 || c == 4)
-		break;
-	    if (c == '\r' || c == '\n') {
-		*lineptr++ = '\n';
-		xmon_putchar('\n');
-		break;
-	    }
-	    switch (c) {
-	    case 0177:
-	    case '\b':
-		if (lineptr > line) {
-		    xmon_putchar('\b');
-		    xmon_putchar(' ');
-		    xmon_putchar('\b');
-		    --lineptr;
-		}
-		break;
-	    case 'U' & 0x1F:
-		while (lineptr > line) {
-		    xmon_putchar('\b');
-		    xmon_putchar(' ');
-		    xmon_putchar('\b');
-		    --lineptr;
-		}
-		break;
-	    default:
-		if (lineptr >= &line[sizeof(line) - 1])
-		    xmon_putchar('\a');
-		else {
-		    xmon_putchar(c);
-		    *lineptr++ = c;
-		}
-	    }
-	}
-	lineleft = lineptr - line;
-	lineptr = line;
-    }
-    if (lineleft == 0)
-	return -1;
-    --lineleft;
-    return *lineptr++;
-}
-
-char *
-xmon_fgets(char *str, int nb, void *f)
-{
-    char *p;
-    int c;
-
-    for (p = str; p < str + nb - 1; ) {
-	c = xmon_getchar();
-	if (c == -1) {
-	    if (p == str)
-		return 0;
-	    break;
-	}
-	*p++ = c;
-	if (c == '\n')
-	    break;
-    }
-    *p = 0;
-    return str;
-}
-
-void
-prom_drawhex(uint val)
-{
-	unsigned char buf[10];
-
-	int i;
-	for (i = 7;  i >= 0;  i--)
-	{
-		buf[i] = "0123456789abcdef"[val & 0x0f];
-		val >>= 4;
-	}
-	buf[8] = '\0';
-	xmon_fputs(buf, xmon_stdout);
-}
-
-void
-prom_drawstring(const char *str)
-{
-	xmon_fputs(str, xmon_stdout);
-}