These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / h8300 / boot / compressed / misc.c

diff --git a/kernel/arch/h8300/boot/compressed/misc.c b/kernel/arch/h8300/boot/compressed/misc.c
new file mode 100644 (file)
index 0000000..6029c53
--- /dev/null
+++ b/kernel/arch/h8300/boot/compressed/misc.c
@@ -0,0 +1,69 @@
+/*
+ * arch/h8300/boot/compressed/misc.c
+ *
+ * This is a collection of several routines from gzip-1.0.3
+ * adapted for Linux.
+ *
+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+ *
+ * Adapted for h8300 by Yoshinori Sato 2006
+ */
+
+#include <asm/uaccess.h>
+
+/*
+ * gzip declarations
+ */
+
+#define OF(args)  args
+#define STATIC static
+
+#undef memset
+#undef memcpy
+#define memzero(s, n)     memset((s), (0), (n))
+
+extern int _end;
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
+
+extern char input_data[];
+extern int input_len;
+extern char output[];
+
+#define HEAP_SIZE             0x10000
+
+#include "../../../../lib/decompress_inflate.c"
+
+void *memset(void *s, int c, size_t n)
+{
+       int i;
+       char *ss = (char *)s;
+
+       for (i = 0; i < n; i++)
+               ss[i] = c;
+       return s;
+}
+
+void *memcpy(void *dest, const void *src, size_t n)
+{
+       int i;
+       char *d = (char *)dest, *s = (char *)src;
+
+       for (i = 0; i < n; i++)
+               d[i] = s[i];
+       return dest;
+}
+
+static void error(char *x)
+{
+       while (1)
+               ;       /* Halt */
+}
+
+void decompress_kernel(void)
+{
+       free_mem_ptr = (unsigned long)&_end;
+       free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
+
+       __decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error);
+}