patch-2.1.115 linux/arch/ppc/amiga/bootinfo.c

• Lines: 75
• Date: Tue Aug 4 23:57:51 1998
• Orig file: v2.1.114/linux/arch/ppc/amiga/bootinfo.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.114/linux/arch/ppc/amiga/bootinfo.c linux/arch/ppc/amiga/bootinfo.c
@@ -0,0 +1,74 @@
+/*
+ *  linux/arch/ppc/amiga/bootinfo.c
+ *
+ *  Extracted from arch/m68k/kernel/setup.c.
+ *  Should be properly generalized and put somewhere else.
+ *                              Jesper
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/init.h>
+
+#include <asm/setup.h>
+#include <asm/bootinfo.h>
+
+extern char cmd_line[CL_SIZE];
+
+int num_memory = 0;
+extern struct mem_info memory[NUM_MEMINFO];
+extern struct mem_info ramdisk;
+
+extern int amiga_parse_bootinfo(const struct bi_record *);
+extern int atari_parse_bootinfo(const struct bi_record *);
+extern int mac_parse_bootinfo(const struct bi_record *);
+
+__initfunc(void parse_bootinfo(const struct bi_record *record))
+{
+    while (record->tag != BI_LAST) {
+	int unknown = 0;
+	const u_long *data = record->data;
+	switch (record->tag) {
+	    case BI_MACHTYPE:
+	    case BI_CPUTYPE:
+	    case BI_FPUTYPE:
+	    case BI_MMUTYPE:
+		/* Already set up by head.S */
+		break;
+
+	    case BI_MEMCHUNK:
+		if (num_memory < NUM_MEMINFO) {
+		    memory[num_memory].addr = data[0];
+		    memory[num_memory].size = data[1];
+		    num_memory++;
+		} else
+		    printk("parse_bootinfo: too many memory chunks\n");
+		break;
+
+	    case BI_RAMDISK:
+		ramdisk.addr = data[0];
+		ramdisk.size = data[1];
+		break;
+
+	    case BI_COMMAND_LINE:
+		strncpy(cmd_line, (const char *)data, CL_SIZE);
+		cmd_line[CL_SIZE-1] = '\0';
+		break;
+
+	    default:
+		if (MACH_IS_AMIGA)
+		    unknown = amiga_parse_bootinfo(record);
+		else if (MACH_IS_ATARI)
+		    unknown = atari_parse_bootinfo(record);
+		else if (MACH_IS_MAC)
+		    unknown = mac_parse_bootinfo(record);
+		else
+		    unknown = 1;
+	}
+	if (unknown)
+	    printk("parse_bootinfo: unknown tag 0x%04x ignored\n",
+		   record->tag);
+	record = (struct bi_record *)((u_long)record+record->size);
+    }
+}