patch-2.4.0-test4 linux/arch/mips/orion/promcon.c

• Lines: 173
• Date: Tue Jul 11 11:14:48 2000
• Orig file: v2.4.0-test3/linux/arch/mips/orion/promcon.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test3/linux/arch/mips/orion/promcon.c linux/arch/mips/orion/promcon.c
@@ -0,0 +1,172 @@
+/*
+ * Wrap-around code for a console using the
+ * SGI PROM io-routines.
+ *
+ * Copyright (c) 1999 Ulf Carlsson
+ *
+ * Derived from DECstation promcon.c
+ * Copyright (c) 1998 Harald Koerfgen 
+ */
+
+#include <linux/tty.h>
+#include <linux/major.h>
+#include <linux/ptrace.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/fs.h>
+/*
+#include <asm/sgialib.h>
+*/
+extern void prom_printf(char *fmt, ...);
+unsigned long splx(unsigned long mask){return 0;}
+#if 0
+unsigned long ramsize=0x100000;
+unsigned long RamSize(){return ramsize;}
+extern void prom_printf(char *fmt, ...);
+unsigned long splx(unsigned long mask){return 0;}
+long PssSetIntHandler(unsigned long intnum, void *handler){}
+long PssEnableInt(unsigned long intnum){}
+long PssDisableInt(unsigned long intnum){}
+unsigned long t_ident(char name[4], unsigned long node, unsigned long *tid){}
+#endif
+
+extern void  SerialPollConout(unsigned char c);
+static void prom_console_write(struct console *co, const char *s,
+			       unsigned count)
+{
+    unsigned i;
+
+    /*
+     *    Now, do each character
+     */
+    for (i = 0; i < count; i++) {
+	if (*s == 10)
+	  SerialPollConout(13);
+	SerialPollConout(*s++);
+    }
+}
+extern int prom_getchar(void);
+static int prom_console_wait_key(struct console *co)
+{
+    return prom_getchar();
+}
+
+extern void SerialPollInit(void);
+extern void  SerialSetup(unsigned long  baud, unsigned long  console, unsigned long  host, unsigned long  intr_desc);
+static int __init prom_console_setup(struct console *co, char *options)
+{
+  SerialSetup(19200,1,1,3);
+  SerialPollInit();
+  SerialPollOn();
+  return 0;
+}
+
+static kdev_t prom_console_device(struct console *c)
+{
+    return MKDEV(TTY_MAJOR, 64 + c->index);
+}
+
+static struct console sercons =
+{
+    "ttyS",
+    prom_console_write,
+    NULL,
+    prom_console_device,
+    prom_console_wait_key,
+    NULL,
+    prom_console_setup,
+    CON_PRINTBUFFER,
+    -1,
+    0,
+    NULL
+};
+
+/*
+ *    Register console.
+ */
+
+void serial_console_init(void)
+{
+	register_console(&sercons);
+}
+
+extern void prom_putchar(int mychar);
+
+static char ppbuf[1000];
+
+
+void prom_printf(char *fmt, ...)
+{
+	va_list args;
+	char ch, *bptr;
+	int i;
+
+	va_start(args, fmt);
+	i = vsprintf(ppbuf, fmt, args);
+
+	bptr = ppbuf;
+
+	while((ch = *(bptr++)) != 0) {
+		if(ch == '\n')
+			prom_putchar('\r');
+
+		prom_putchar(ch);
+	}
+	va_end(args);
+	return;
+}
+
+
+
+void prom_putchar(int mychar){}
+int prom_getchar(void){return 0;}
+struct app_header_s {
+  unsigned long    MAGIC_JMP;
+  unsigned long    MAGIC_NOP;
+  unsigned long    header_tag;    
+  unsigned long    header_flags;
+  unsigned long    header_length;
+  unsigned long    header_cksum;
+     
+  void             *load_addr;
+  void             *end_addr;
+  void             *start_addr;
+  char             *app_name_p;
+  char             *version_p;
+  char             *date_p;
+  char             *time_p;
+  unsigned long    type;
+  unsigned long    crc;
+  unsigned long    reserved;
+};
+typedef struct app_header_s app_header_t;
+char linked_app_name[]="linux";
+char *linked_app_name_p=&linked_app_name[0];
+
+char linked_app_ver[]="2.4 -test1";
+char *linked_app_ver_p=&linked_app_ver[0];
+
+char linked_app_date[]="today";
+char *linked_app_date_p=&linked_app_date[0];
+
+char linked_app_time[]="now";
+char *linked_app_time_p=&linked_app_time[0];
+extern void *__bss_start;
+extern void *kernel_entry;
+
+app_header_t app_header __attribute__ ((section (".app_header"))) = {
+  (0x10000000 | (((sizeof(app_header_t)>>2)-1) & 0xffff)) ,
+  0 ,
+  (((( 0x4321  ) & 0xFFFF) << 16) | ((  0x0100  ) & 0xFFFF))  ,
+  0x80000000 ,
+  sizeof(app_header_t),
+  0,
+  &app_header,
+  &__bss_start,
+  &kernel_entry,
+  linked_app_name,
+  linked_app_ver,
+  linked_app_date,
+  linked_app_time,
+  0
+};