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-rw-r--r--lib/decompress_unxz.c40
1 files changed, 24 insertions, 16 deletions
diff --git a/lib/decompress_unxz.c b/lib/decompress_unxz.c
index 842894158944..32138bb8ef77 100644
--- a/lib/decompress_unxz.c
+++ b/lib/decompress_unxz.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: 0BSD
+
/*
* Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
- *
- * This file has been put into the public domain.
- * You can do whatever you want with this file.
*/
/*
@@ -103,12 +102,11 @@
#ifdef STATIC
# define XZ_PREBOOT
#else
-#include <linux/decompress/unxz.h>
+# include <linux/decompress/unxz.h>
#endif
#ifdef __KERNEL__
# include <linux/decompress/mm.h>
#endif
-#define XZ_EXTERN STATIC
#ifndef XZ_PREBOOT
# include <linux/slab.h>
@@ -127,11 +125,21 @@
#ifdef CONFIG_X86
# define XZ_DEC_X86
#endif
-#ifdef CONFIG_PPC
+#if defined(CONFIG_PPC) && defined(CONFIG_CPU_BIG_ENDIAN)
# define XZ_DEC_POWERPC
#endif
#ifdef CONFIG_ARM
-# define XZ_DEC_ARM
+# ifdef CONFIG_THUMB2_KERNEL
+# define XZ_DEC_ARMTHUMB
+# else
+# define XZ_DEC_ARM
+# endif
+#endif
+#ifdef CONFIG_ARM64
+# define XZ_DEC_ARM64
+#endif
+#ifdef CONFIG_RISCV
+# define XZ_DEC_RISCV
#endif
#ifdef CONFIG_SPARC
# define XZ_DEC_SPARC
@@ -220,7 +228,7 @@ void *memmove(void *dest, const void *src, size_t size)
#endif
/*
- * Since we need memmove anyway, would use it as memcpy too.
+ * Since we need memmove anyway, we could use it as memcpy too.
* Commented out for now to avoid breaking things.
*/
/*
@@ -390,17 +398,17 @@ error_alloc_state:
}
/*
- * This macro is used by architecture-specific files to decompress
+ * This function is used by architecture-specific files to decompress
* the kernel image.
*/
#ifdef XZ_PREBOOT
-STATIC int INIT __decompress(unsigned char *buf, long len,
- long (*fill)(void*, unsigned long),
- long (*flush)(void*, unsigned long),
- unsigned char *out_buf, long olen,
- long *pos,
- void (*error)(char *x))
+STATIC int INIT __decompress(unsigned char *in, long in_size,
+ long (*fill)(void *dest, unsigned long size),
+ long (*flush)(void *src, unsigned long size),
+ unsigned char *out, long out_size,
+ long *in_used,
+ void (*error)(char *x))
{
- return unxz(buf, len, fill, flush, out_buf, pos, error);
+ return unxz(in, in_size, fill, flush, out, in_used, error);
}
#endif