1 files changed, 80 insertions, 0 deletions

diff --git a/arch/ppc/amiga/bootinfo.c b/arch/ppc/amiga/bootinfo.c
new file mode 100644
index 000000000000..e2e965661d03
--- /dev/null
+++ b/arch/ppc/amiga/bootinfo.c
@@ -0,0 +1,80 @@
+/*
+ *  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];
+
+extern int num_memory;
+extern int m68k_realnum_memory;
+extern struct mem_info memory[NUM_MEMINFO];
+extern struct mem_info m68k_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 *);
+
+void __init 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++;
+
+                    /* FIXME: duplicate for m68k drivers. */
+                    m68k_memory[m68k_realnum_memory].addr = data[0];
+                    m68k_memory[m68k_realnum_memory].size = data[1];
+                    m68k_realnum_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:
+                strlcpy(cmd_line, (const char *)data, sizeof(cmd_line));
+                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);
+    }
+}