Author: uwe
Date: 2007-09-16 16:32:26 +0200 (Sun, 16 Sep 2007)
New Revision: 497
Modified:
LinuxBIOSv3/lib/lar.c
Log:
Create a file-local process_file() function which has
the common parts of copy_file() and run_file().
Signed-off-by: Alex Beregszaszi <[EMAIL PROTECTED]>
Acked-by: Uwe Hermann <[EMAIL PROTECTED]>
Modified: LinuxBIOSv3/lib/lar.c
===================================================================
--- LinuxBIOSv3/lib/lar.c 2007-09-08 19:36:35 UTC (rev 496)
+++ LinuxBIOSv3/lib/lar.c 2007-09-16 14:32:26 UTC (rev 497)
@@ -123,6 +123,35 @@
return 1;
}
+static int process_file(struct mem_file *archive, void *where)
+{
+ printk(BIOS_SPEW, "LAR: Compression algorithm #%i used\n",
archive->compression);
+ /* no compression */
+ if (archive->compression == 0) {
+ memcpy(where, archive->start, archive->len);
+ return 0;
+ }
+#ifdef CONFIG_COMPRESSION_LZMA
+ /* lzma */
+ unsigned long ulzma(unsigned char *src, unsigned char *dst);
+ if (archive->compression == 1) {
+ ulzma(archive->start, where);
+ return 0;
+ }
+#endif
+#ifdef CONFIG_COMPRESSION_NRV2B
+ /* nrv2b */
+ unsigned long unrv2b(u8 *src, u8 *dst, unsigned long *ilen_p);
+ if (archive->compression == 2) {
+ unsigned long tmp;
+ unrv2b(archive->start, where, &tmp);
+ return 0;
+ }
+#endif
+ printk(BIOS_INFO, "LAR: Compression algorithm #%i not supported!\n",
archive->compression);
+ return -1;
+}
+
/**
* Given a file name in the LAR , search for it, and load it into memory,
using
* the loadaddress pointer in the mem_file struct.
@@ -146,34 +175,13 @@
}
entry = result.entry;
where = result.loadaddress;
- printk(BIOS_SPEW, "LAR: Compression algorithm #%i used\n",
result.compression);
- /* no compression */
- if (result.compression == 0) {
- memcpy(where, result.start, result.len);
- return entry;
- }
-#ifdef CONFIG_COMPRESSION_LZMA
- /* lzma */
- unsigned long ulzma(unsigned char *src, unsigned char *dst);
- if (result.compression == 1) {
- ulzma(result.start, where);
- return entry;
- }
-#endif
-#ifdef CONFIG_COMPRESSION_NRV2B
- /* nrv2b */
- unsigned long unrv2b(u8 *src, u8 *dst, unsigned long *ilen_p);
- if (result.compression == 2) {
- int tmp;
- unrv2b(result.start, where, &tmp);
- return entry;
- }
-#endif
- printk(BIOS_INFO, "LAR: Compression algorithm #%i not supported!\n",
result.compression);
+
+ if (process_file(&result, where) == 0)
+ return entry;
+
return (void *)-1;
}
-/* FIXME -- most of copy_file should be replaced by load_file */
/**
* Given a file name in the LAR , search for it, and load it into memory,
* using the passed-in pointer as the address
@@ -194,31 +202,7 @@
return 1;
}
- printk(BIOS_SPEW, "LAR: Compression algorithm #%i used\n",
result.compression);
- /* no compression */
- if (result.compression == 0) {
- memcpy(where, result.start, result.len);
- return 0;
- }
-#ifdef CONFIG_COMPRESSION_LZMA
- /* lzma */
- unsigned long ulzma(unsigned char *src, unsigned char *dst);
- if (result.compression == 1) {
- ulzma(result.start, where);
- return 0;
- }
-#endif
-#ifdef CONFIG_COMPRESSION_NRV2B
- /* nrv2b */
- unsigned long unrv2b(u8 *src, u8 *dst, unsigned long *ilen_p);
- if (result.compression == 2) {
- int tmp;
- unrv2b(result.start, where, &tmp);
- return 0;
- }
-#endif
- printk(BIOS_INFO, "LAR: Compression algorithm #%i not supported!\n",
result.compression);
- return 1;
+ return process_file(&result, where);
}
--
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