1 files changed, 110 insertions, 0 deletions

diff --git a/arch/arm26/boot/compressed/uncompress.h b/arch/arm26/boot/compressed/uncompress.h
new file mode 100644
index 000000000000..66d9b938a7a4
--- /dev/null
+++ b/arch/arm26/boot/compressed/uncompress.h
@@ -0,0 +1,110 @@
+/*
+ *
+ *  Copyright (C) 1996 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#define VIDMEM ((char *)0x02000000)
+ 
+int video_num_columns, video_num_lines, video_size_row;
+int white, bytes_per_char_h;
+extern unsigned long con_charconvtable[256];
+
+struct param_struct {
+        unsigned long page_size;
+        unsigned long nr_pages;
+        unsigned long ramdisk_size;
+        unsigned long mountrootrdonly;
+        unsigned long rootdev;
+        unsigned long video_num_cols;
+        unsigned long video_num_rows;
+        unsigned long video_x;
+        unsigned long video_y;
+        unsigned long memc_control_reg;
+        unsigned char sounddefault;
+        unsigned char adfsdrives;
+        unsigned char bytes_per_char_h;
+        unsigned char bytes_per_char_v;
+        unsigned long unused[256/4-11];
+};
+
+static struct param_struct *params = (struct param_struct *)0x0207c000;
+ 
+/*
+ * This does not append a newline
+ */
+static void puts(const char *s)
+{
+        extern void ll_write_char(char *, unsigned long);
+        int x,y;
+        unsigned char c;
+        char *ptr;
+
+        x = params->video_x;
+        y = params->video_y;
+
+        while ( ( c = *(unsigned char *)s++ ) != '\0' ) {
+                if ( c == '\n' ) {
+                        x = 0;
+                        if ( ++y >= video_num_lines ) {
+                                y--;
+                        }
+                } else {
+                        ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h);
+                        ll_write_char(ptr, c|(white<<16));
+                        if ( ++x >= video_num_columns ) {
+                                x = 0;
+                                if ( ++y >= video_num_lines ) {
+                                        y--;
+                                }
+                        }
+                }
+        }
+
+        params->video_x = x;
+        params->video_y = y;
+}
+
+static void error(char *x);
+
+/*
+ * Setup for decompression
+ */
+static void arch_decomp_setup(void)
+{
+        int i;
+        
+        video_num_lines = params->video_num_rows;
+        video_num_columns = params->video_num_cols;
+        bytes_per_char_h = params->bytes_per_char_h;
+        video_size_row = video_num_columns * bytes_per_char_h;
+        if (bytes_per_char_h == 4)
+                for (i = 0; i < 256; i++)
+                        con_charconvtable[i] =
+                                (i & 128 ? 1 << 0  : 0) |
+                                (i & 64  ? 1 << 4  : 0) |
+                                (i & 32  ? 1 << 8  : 0) |
+                                (i & 16  ? 1 << 12 : 0) |
+                                (i & 8   ? 1 << 16 : 0) |
+                                (i & 4   ? 1 << 20 : 0) |
+                                (i & 2   ? 1 << 24 : 0) |
+                                (i & 1   ? 1 << 28 : 0);
+        else
+                for (i = 0; i < 16; i++)
+                        con_charconvtable[i] =
+                                (i & 8   ? 1 << 0  : 0) |
+                                (i & 4   ? 1 << 8  : 0) |
+                                (i & 2   ? 1 << 16 : 0) |
+                                (i & 1   ? 1 << 24 : 0);
+
+        white = bytes_per_char_h == 8 ? 0xfc : 7;
+
+        if (params->nr_pages * params->page_size < 4096*1024) error("<4M of mem\n");
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_wdog()