CRIS: Merge machine dependent boot/compressed and boot/rescue
Merge the machine dependent boot directories for v10 and v32. This avoids some code duplication and eases the way for further merging later on. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
This commit is contained in:
Jesper Nilsson
Родитель
a939b96ccc
Коммит
66ab3a74c5
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@ -70,7 +70,7 @@ SRC_ARCH = $(srctree)/arch/cris
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# cris object files path
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# cris object files path
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OBJ_ARCH = $(objtree)/arch/cris
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OBJ_ARCH = $(objtree)/arch/cris
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boot := arch/cris/$(SARCH)/boot
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boot := arch/cris/boot
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MACHINE := arch/cris/$(SARCH)
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MACHINE := arch/cris/$(SARCH)
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all: zImage
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all: zImage
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@ -81,15 +81,15 @@ zImage Image: vmlinux
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archprepare:
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archprepare:
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archclean:
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archclean:
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$(Q)if [ -e arch/cris/$(SARCH)/boot ]; then \
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$(Q)if [ -e arch/cris/boot ]; then \
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$(MAKE) $(clean)=arch/cris/$(SARCH)/boot; \
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$(MAKE) $(clean)=arch/cris/boot; \
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fi
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fi
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CLEAN_FILES += \
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CLEAN_FILES += \
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$(MACHINE)/boot/zImage \
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$(boot)/zImage \
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$(MACHINE)/boot/compressed/decompress.bin \
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$(boot)/compressed/decompress.bin \
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$(MACHINE)/boot/compressed/piggy.gz \
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$(boot)/compressed/piggy.gz \
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$(MACHINE)/boot/rescue/rescue.bin
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$(boot)/rescue/rescue.bin
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# MRPROPER_FILES +=
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# MRPROPER_FILES +=
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@ -1,25 +0,0 @@
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Creation of the self-extracting compressed kernel image (vmlinuz)
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-----------------------------------------------------------------
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$Id: README,v 1.1 2001/12/17 13:59:27 bjornw Exp $
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This can be slightly confusing because it's a process with many steps.
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The kernel object built by the arch/etrax100/Makefile, vmlinux, is split
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by that makefile into text and data binary files, vmlinux.text and
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vmlinux.data.
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Those files together with a ROM filesystem can be catted together and
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burned into a flash or executed directly at the DRAM origin.
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They can also be catted together and compressed with gzip, which is what
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happens in this makefile. Together they make up piggy.img.
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The decompressor is built into the file decompress.o. It is turned into
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the binary file decompress.bin, which is catted together with piggy.img
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into the file vmlinuz. It can be executed in an arbitrary place in flash.
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Be careful - it assumes some things about free locations in DRAM. It
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assumes the DRAM starts at 0x40000000 and that it is at least 8 MB,
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so it puts its code at 0x40700000, and initial stack at 0x40800000.
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-Bjorn
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@ -1,246 +0,0 @@
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/*
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* misc.c
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*
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* This is a collection of several routines from gzip-1.0.3
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* adapted for Linux.
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*
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* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
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* puts by Nick Holloway 1993, better puts by Martin Mares 1995
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* adaptation for Linux/CRIS Axis Communications AB, 1999
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*
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*/
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/* where the piggybacked kernel image expects itself to live.
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* it is the same address we use when we network load an uncompressed
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* image into DRAM, and it is the address the kernel is linked to live
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* at by vmlinux.lds.S
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*/
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#define KERNEL_LOAD_ADR 0x40004000
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#include <linux/types.h>
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#include <arch/svinto.h>
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/*
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* gzip declarations
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*/
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#define OF(args) args
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#define STATIC static
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void *memset(void *s, int c, size_t n);
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void *memcpy(void *__dest, __const void *__src, size_t __n);
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#define memzero(s, n) memset((s), 0, (n))
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typedef unsigned char uch;
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typedef unsigned short ush;
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typedef unsigned long ulg;
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#define WSIZE 0x8000 /* Window size must be at least 32k, */
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/* and a power of two */
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static uch *inbuf; /* input buffer */
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static uch window[WSIZE]; /* Sliding window buffer */
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unsigned inptr = 0; /* index of next byte to be processed in inbuf
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* After decompression it will contain the
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* compressed size, and head.S will read it.
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*/
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static unsigned outcnt = 0; /* bytes in output buffer */
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/* gzip flag byte */
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#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
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#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
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#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
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#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
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#define COMMENT 0x10 /* bit 4 set: file comment present */
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#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
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#define RESERVED 0xC0 /* bit 6,7: reserved */
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#define get_byte() (inbuf[inptr++])
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/* Diagnostic functions */
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#ifdef DEBUG
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# define Assert(cond, msg) do { \
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if (!(cond)) \
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error(msg); \
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} while (0)
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# define Trace(x) fprintf x
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# define Tracev(x) do { \
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if (verbose) \
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fprintf x; \
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} while (0)
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# define Tracevv(x) do { \
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if (verbose > 1) \
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fprintf x; \
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} while (0)
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# define Tracec(c, x) do { \
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if (verbose && (c)) \
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fprintf x; \
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} while (0)
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# define Tracecv(c, x) do { \
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if (verbose > 1 && (c)) \
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fprintf x; \
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} while (0)
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#else
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# define Assert(cond, msg)
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# define Trace(x)
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# define Tracev(x)
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# define Tracevv(x)
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# define Tracec(c, x)
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# define Tracecv(c, x)
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#endif
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static void flush_window(void);
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static void error(char *m);
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extern char *input_data; /* lives in head.S */
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static long bytes_out = 0;
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static uch *output_data;
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static unsigned long output_ptr = 0;
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static void puts(const char *);
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/* the "heap" is put directly after the BSS ends, at end */
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extern int _end;
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static long free_mem_ptr = (long)&_end;
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static long free_mem_end_ptr;
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#include "../../../../../lib/inflate.c"
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/* decompressor info and error messages to serial console */
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static void
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puts(const char *s)
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{
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#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
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while (*s) {
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#ifdef CONFIG_ETRAX_DEBUG_PORT0
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while (!(*R_SERIAL0_STATUS & (1 << 5))) ;
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*R_SERIAL0_TR_DATA = *s++;
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#endif
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#ifdef CONFIG_ETRAX_DEBUG_PORT1
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while (!(*R_SERIAL1_STATUS & (1 << 5))) ;
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*R_SERIAL1_TR_DATA = *s++;
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#endif
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#ifdef CONFIG_ETRAX_DEBUG_PORT2
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while (!(*R_SERIAL2_STATUS & (1 << 5))) ;
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*R_SERIAL2_TR_DATA = *s++;
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#endif
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#ifdef CONFIG_ETRAX_DEBUG_PORT3
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while (!(*R_SERIAL3_STATUS & (1 << 5))) ;
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*R_SERIAL3_TR_DATA = *s++;
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#endif
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}
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#endif
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}
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void *memset(void *s, int c, size_t n)
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{
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int i;
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char *ss = (char *)s;
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for (i = 0; i < n; i++)
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ss[i] = c;
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return s;
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}
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void *memcpy(void *__dest, __const void *__src, size_t __n)
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{
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int i;
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char *d = (char *)__dest, *s = (char *)__src;
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for (i = 0; i < __n; i++)
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d[i] = s[i];
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return __dest;
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}
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/* ===========================================================================
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* Write the output window window[0..outcnt-1] and update crc and bytes_out.
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* (Used for the decompressed data only.)
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*/
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static void flush_window(void)
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{
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ulg c = crc; /* temporary variable */
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unsigned n;
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uch *in, *out, ch;
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in = window;
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out = &output_data[output_ptr];
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for (n = 0; n < outcnt; n++) {
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ch = *out = *in;
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out++;
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in++;
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c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
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}
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crc = c;
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bytes_out += (ulg)outcnt;
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output_ptr += (ulg)outcnt;
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outcnt = 0;
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}
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static void error(char *x)
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{
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puts("\n\n");
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puts(x);
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puts("\n\n -- System halted\n");
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while (1); /* Halt */
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}
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void setup_normal_output_buffer(void)
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{
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output_data = (char *)KERNEL_LOAD_ADR;
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}
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void decompress_kernel(void)
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{
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char revision;
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/* input_data is set in head.S */
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inbuf = input_data;
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#ifdef CONFIG_ETRAX_DEBUG_PORT0
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*R_SERIAL0_XOFF = 0;
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*R_SERIAL0_BAUD = 0x99;
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*R_SERIAL0_TR_CTRL = 0x40;
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#endif
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#ifdef CONFIG_ETRAX_DEBUG_PORT1
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*R_SERIAL1_XOFF = 0;
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*R_SERIAL1_BAUD = 0x99;
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*R_SERIAL1_TR_CTRL = 0x40;
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#endif
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#ifdef CONFIG_ETRAX_DEBUG_PORT2
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*R_GEN_CONFIG = 0x08;
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*R_SERIAL2_XOFF = 0;
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*R_SERIAL2_BAUD = 0x99;
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*R_SERIAL2_TR_CTRL = 0x40;
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#endif
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#ifdef CONFIG_ETRAX_DEBUG_PORT3
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*R_GEN_CONFIG = 0x100;
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*R_SERIAL3_XOFF = 0;
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*R_SERIAL3_BAUD = 0x99;
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*R_SERIAL3_TR_CTRL = 0x40;
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#endif
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setup_normal_output_buffer();
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makecrc();
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__asm__ volatile ("move $vr,%0" : "=rm" (revision));
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if (revision < 10) {
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puts("You need an ETRAX 100LX to run linux 2.6\n");
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while (1);
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}
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puts("Uncompressing Linux...\n");
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gunzip();
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puts("Done. Now booting the kernel.\n");
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}
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@ -1,20 +0,0 @@
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#
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# arch/cris/arch-v32/boot/Makefile
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#
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OBJCOPYFLAGS = -O binary -R .note -R .comment
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subdir- := compressed rescue
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targets := Image
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$(obj)/Image: vmlinux FORCE
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$(call if_changed,objcopy)
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@echo ' Kernel: $@ is ready'
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$(obj)/compressed/vmlinux: $(obj)/Image FORCE
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$(Q)$(MAKE) $(build)=$(obj)/compressed $@
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$(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
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$(obj)/zImage: $(obj)/compressed/vmlinux
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@cp $< $@
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@echo ' Kernel: $@ is ready'
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@ -1,26 +0,0 @@
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#
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# arch/cris/arch-v32/boot/compressed/Makefile
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#
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asflags-y += -I$(srctree)/include/asm/mach/ -I$(srctree)/include/asm/arch
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ccflags-y += -O2 -I$(srctree)/include/asm/mach/ -I$(srctree)/include/asm/arch
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ldflags-y += -T$(srctree)/$(src)/decompress.lds
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OBJECTS = $(obj)/head.o $(obj)/misc.o
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OBJCOPYFLAGS = -O binary --remove-section=.bss
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quiet_cmd_image = BUILD $@
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cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
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targets := vmlinux piggy.gz decompress.o decompress.bin
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$(obj)/decompress.o: $(OBJECTS) FORCE
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$(call if_changed,ld)
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$(obj)/decompress.bin: $(obj)/decompress.o FORCE
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$(call if_changed,objcopy)
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$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
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$(call if_changed,image)
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$(obj)/piggy.gz: $(obj)/../Image FORCE
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$(call if_changed,gzip)
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@ -1,26 +0,0 @@
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#
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# Makefile for rescue (bootstrap) code
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#
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CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
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ccflags-y += -O2 -I $(srctree)/include/asm/arch/mach/ \
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-I $(srctree)/include/asm/arch
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asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch
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LD = gcc-cris -mlinux -march=v32 -nostdlib
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ldflags-y += -T $(srctree)/$(src)/rescue.lds
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LDPOSTFLAGS = -lgcc
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OBJCOPYFLAGS = -O binary --remove-section=.bss
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obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
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OBJECT := $(obj)/head.o
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targets := rescue.o rescue.bin
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quiet_cmd_ldlibgcc = LD $@
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cmd_ldlibgcc = $(LD) $(LDFLAGS) $(filter-out FORCE,$^) $(LDPOSTFLAGS) -o $@
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||||||
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||||||
$(obj)/rescue.o: $(OBJECTS) FORCE
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||||||
$(call if_changed,ldlibgcc)
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$(obj)/rescue.bin: $(obj)/rescue.o FORCE
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$(call if_changed,objcopy)
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cp -p $(obj)/rescue.bin $(objtree)
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@ -1,8 +1,12 @@
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||||||
#
|
#
|
||||||
# arch/cris/arch-v10/boot/Makefile
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# arch/cris/boot/Makefile
|
||||||
#
|
#
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||||||
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||||||
OBJCOPYFLAGS = -O binary --remove-section=.bss
|
objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment
|
||||||
|
objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss
|
||||||
|
|
||||||
|
OBJCOPYFLAGS = -O binary $(objcopyflags-y)
|
||||||
|
|
||||||
|
|
||||||
subdir- := compressed rescue
|
subdir- := compressed rescue
|
||||||
targets := Image
|
targets := Image
|
||||||
|
|
@ -1,11 +1,23 @@
|
||||||
#
|
#
|
||||||
# arch/cris/arch-v10/boot/compressed/Makefile
|
# arch/cris/boot/compressed/Makefile
|
||||||
#
|
#
|
||||||
|
|
||||||
asflags-y += $(LINUXINCLUDE)
|
asflags-y += $(LINUXINCLUDE)
|
||||||
ccflags-y += -O2 $(LINUXINCLUDE)
|
ccflags-y += -O2 $(LINUXINCLUDE)
|
||||||
ldflags-y += -T $(srctree)/$(src)/decompress.lds
|
|
||||||
OBJECTS = $(obj)/head.o $(obj)/misc.o
|
# asflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/mach \
|
||||||
|
# -I$(srctree)/include/asm/arch
|
||||||
|
# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -O2 -I$(srctree)/include/asm/mach
|
||||||
|
# -I$(srctree)/include/asm/arch
|
||||||
|
|
||||||
|
arch-$(CONFIG_ETRAX_ARCH_V10) = v10
|
||||||
|
arch-$(CONFIG_ETRAX_ARCH_V32) = v32
|
||||||
|
|
||||||
|
ldflags-y += -T $(srctree)/$(src)/decompress_$(arch-y).lds
|
||||||
|
|
||||||
|
OBJECTS-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o
|
||||||
|
OBJECTS-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o
|
||||||
|
OBJECTS= $(OBJECTS-y) $(obj)/misc.o
|
||||||
OBJCOPYFLAGS = -O binary --remove-section=.bss
|
OBJCOPYFLAGS = -O binary --remove-section=.bss
|
||||||
|
|
||||||
quiet_cmd_image = BUILD $@
|
quiet_cmd_image = BUILD $@
|
||||||
|
|
@ -24,4 +36,3 @@ $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
|
||||||
|
|
||||||
$(obj)/piggy.gz: $(obj)/../Image FORCE
|
$(obj)/piggy.gz: $(obj)/../Image FORCE
|
||||||
$(call if_changed,gzip)
|
$(call if_changed,gzip)
|
||||||
|
|
||||||
|
|
@ -30,7 +30,7 @@
|
||||||
beq dram_init_finished
|
beq dram_init_finished
|
||||||
nop
|
nop
|
||||||
|
|
||||||
#include "../../lib/dram_init.S"
|
#include "../../arch-v10/lib/dram_init.S"
|
||||||
|
|
||||||
dram_init_finished:
|
dram_init_finished:
|
||||||
|
|
||||||
|
|
@ -123,4 +123,4 @@ _cmd_line_magic:
|
||||||
.dword 0
|
.dword 0
|
||||||
_cmd_line_addr:
|
_cmd_line_addr:
|
||||||
.dword 0
|
.dword 0
|
||||||
#include "../../lib/hw_settings.S"
|
#include "../../arch-v10/lib/hw_settings.S"
|
||||||
|
|
@ -17,7 +17,7 @@
|
||||||
.globl input_data
|
.globl input_data
|
||||||
|
|
||||||
.text
|
.text
|
||||||
_start:
|
start:
|
||||||
di
|
di
|
||||||
|
|
||||||
;; Start clocks for used blocks.
|
;; Start clocks for used blocks.
|
||||||
|
|
@ -29,9 +29,9 @@ _start:
|
||||||
nop
|
nop
|
||||||
|
|
||||||
#if defined CONFIG_ETRAXFS
|
#if defined CONFIG_ETRAXFS
|
||||||
#include "../../mach-fs/dram_init.S"
|
#include "../../arch-v32/mach-fs/dram_init.S"
|
||||||
#elif defined CONFIG_CRIS_MACH_ARTPEC3
|
#elif defined CONFIG_CRIS_MACH_ARTPEC3
|
||||||
#include "../../mach-a3/dram_init.S"
|
#include "../../arch-v32/mach-a3/dram_init.S"
|
||||||
#else
|
#else
|
||||||
#error Only ETRAXFS and ARTPEC-3 supported!
|
#error Only ETRAXFS and ARTPEC-3 supported!
|
||||||
#endif
|
#endif
|
||||||
|
|
@ -137,9 +137,9 @@ _boot_source:
|
||||||
.dword 0
|
.dword 0
|
||||||
|
|
||||||
#if defined CONFIG_ETRAXFS
|
#if defined CONFIG_ETRAXFS
|
||||||
#include "../../mach-fs/hw_settings.S"
|
#include "../../arch-v32/mach-fs/hw_settings.S"
|
||||||
#elif defined CONFIG_CRIS_MACH_ARTPEC3
|
#elif defined CONFIG_CRIS_MACH_ARTPEC3
|
||||||
#include "../../mach-a3/hw_settings.S"
|
#include "../../arch-v32/mach-a3/hw_settings.S"
|
||||||
#else
|
#else
|
||||||
#error Only ETRAXFS and ARTPEC-3 supported!
|
#error Only ETRAXFS and ARTPEC-3 supported!
|
||||||
#endif
|
#endif
|
||||||
|
|
@ -18,8 +18,9 @@
|
||||||
|
|
||||||
#define KERNEL_LOAD_ADR 0x40004000
|
#define KERNEL_LOAD_ADR 0x40004000
|
||||||
|
|
||||||
|
|
||||||
#include <linux/types.h>
|
#include <linux/types.h>
|
||||||
|
|
||||||
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
#include <hwregs/reg_rdwr.h>
|
#include <hwregs/reg_rdwr.h>
|
||||||
#include <hwregs/reg_map.h>
|
#include <hwregs/reg_map.h>
|
||||||
#include <hwregs/ser_defs.h>
|
#include <hwregs/ser_defs.h>
|
||||||
|
|
@ -27,6 +28,9 @@
|
||||||
#ifdef CONFIG_CRIS_MACH_ARTPEC3
|
#ifdef CONFIG_CRIS_MACH_ARTPEC3
|
||||||
#include <hwregs/clkgen_defs.h>
|
#include <hwregs/clkgen_defs.h>
|
||||||
#endif
|
#endif
|
||||||
|
#else
|
||||||
|
#include <arch/svinto.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* gzip declarations
|
* gzip declarations
|
||||||
|
|
@ -35,12 +39,10 @@
|
||||||
#define OF(args) args
|
#define OF(args) args
|
||||||
#define STATIC static
|
#define STATIC static
|
||||||
|
|
||||||
void* memset(void* s, int c, size_t n);
|
void *memset(void *s, int c, size_t n);
|
||||||
void* memcpy(void* __dest, __const void* __src,
|
void *memcpy(void *__dest, __const void *__src, size_t __n);
|
||||||
size_t __n);
|
|
||||||
|
|
||||||
#define memzero(s, n) memset ((s), 0, (n))
|
|
||||||
|
|
||||||
|
#define memzero(s, n) memset((s), 0, (n))
|
||||||
|
|
||||||
typedef unsigned char uch;
|
typedef unsigned char uch;
|
||||||
typedef unsigned short ush;
|
typedef unsigned short ush;
|
||||||
|
|
@ -68,27 +70,43 @@ static unsigned outcnt = 0; /* bytes in output buffer */
|
||||||
#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
|
#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
|
||||||
#define RESERVED 0xC0 /* bit 6,7: reserved */
|
#define RESERVED 0xC0 /* bit 6,7: reserved */
|
||||||
|
|
||||||
#define get_byte() inbuf[inptr++]
|
#define get_byte() (inbuf[inptr++])
|
||||||
|
|
||||||
/* Diagnostic functions */
|
/* Diagnostic functions */
|
||||||
#ifdef DEBUG
|
#ifdef DEBUG
|
||||||
# define Assert(cond,msg) {if(!(cond)) error(msg);}
|
# define Assert(cond, msg) do { \
|
||||||
|
if (!(cond)) \
|
||||||
|
error(msg); \
|
||||||
|
} while (0)
|
||||||
# define Trace(x) fprintf x
|
# define Trace(x) fprintf x
|
||||||
# define Tracev(x) {if (verbose) fprintf x ;}
|
# define Tracev(x) do { \
|
||||||
# define Tracevv(x) {if (verbose>1) fprintf x ;}
|
if (verbose) \
|
||||||
# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
|
fprintf x; \
|
||||||
# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
|
} while (0)
|
||||||
|
# define Tracevv(x) do { \
|
||||||
|
if (verbose > 1) \
|
||||||
|
fprintf x; \
|
||||||
|
} while (0)
|
||||||
|
# define Tracec(c, x) do { \
|
||||||
|
if (verbose && (c)) \
|
||||||
|
fprintf x; \
|
||||||
|
} while (0)
|
||||||
|
# define Tracecv(c, x) do { \
|
||||||
|
if (verbose > 1 && (c)) \
|
||||||
|
fprintf x; \
|
||||||
|
} while (0)
|
||||||
#else
|
#else
|
||||||
# define Assert(cond,msg)
|
# define Assert(cond, msg)
|
||||||
# define Trace(x)
|
# define Trace(x)
|
||||||
# define Tracev(x)
|
# define Tracev(x)
|
||||||
# define Tracevv(x)
|
# define Tracevv(x)
|
||||||
# define Tracec(c,x)
|
# define Tracec(c, x)
|
||||||
# define Tracecv(c,x)
|
# define Tracecv(c, x)
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
static void flush_window(void);
|
static void flush_window(void);
|
||||||
static void error(char *m);
|
static void error(char *m);
|
||||||
|
static void puts(const char *);
|
||||||
|
|
||||||
extern char *input_data; /* lives in head.S */
|
extern char *input_data; /* lives in head.S */
|
||||||
|
|
||||||
|
|
@ -96,10 +114,6 @@ static long bytes_out;
|
||||||
static uch *output_data;
|
static uch *output_data;
|
||||||
static unsigned long output_ptr;
|
static unsigned long output_ptr;
|
||||||
|
|
||||||
static void error(char *m);
|
|
||||||
|
|
||||||
static void puts(const char *);
|
|
||||||
|
|
||||||
/* the "heap" is put directly after the BSS ends, at end */
|
/* the "heap" is put directly after the BSS ends, at end */
|
||||||
|
|
||||||
extern int _end;
|
extern int _end;
|
||||||
|
|
@ -110,8 +124,8 @@ static long free_mem_end_ptr;
|
||||||
|
|
||||||
/* decompressor info and error messages to serial console */
|
/* decompressor info and error messages to serial console */
|
||||||
|
|
||||||
static inline void
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
serout(const char *s, reg_scope_instances regi_ser)
|
static inline void serout(const char *s, reg_scope_instances regi_ser)
|
||||||
{
|
{
|
||||||
reg_ser_rs_stat_din rs;
|
reg_ser_rs_stat_din rs;
|
||||||
reg_ser_rw_dout dout = {.data = *s};
|
reg_ser_rw_dout dout = {.data = *s};
|
||||||
|
|
@ -123,23 +137,47 @@ serout(const char *s, reg_scope_instances regi_ser)
|
||||||
|
|
||||||
REG_WR(ser, regi_ser, rw_dout, dout);
|
REG_WR(ser, regi_ser, rw_dout, dout);
|
||||||
}
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
static void
|
static void puts(const char *s)
|
||||||
puts(const char *s)
|
|
||||||
{
|
{
|
||||||
#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
|
#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
|
||||||
while (*s) {
|
while (*s) {
|
||||||
#ifdef CONFIG_ETRAX_DEBUG_PORT0
|
#ifdef CONFIG_ETRAX_DEBUG_PORT0
|
||||||
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
serout(s, regi_ser0);
|
serout(s, regi_ser0);
|
||||||
|
#else
|
||||||
|
while (!(*R_SERIAL0_STATUS & (1 << 5)))
|
||||||
|
;
|
||||||
|
*R_SERIAL0_TR_DATA = *s++;
|
||||||
|
#endif
|
||||||
#endif
|
#endif
|
||||||
#ifdef CONFIG_ETRAX_DEBUG_PORT1
|
#ifdef CONFIG_ETRAX_DEBUG_PORT1
|
||||||
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
serout(s, regi_ser1);
|
serout(s, regi_ser1);
|
||||||
|
#else
|
||||||
|
while (!(*R_SERIAL1_STATUS & (1 << 5)))
|
||||||
|
;
|
||||||
|
*R_SERIAL1_TR_DATA = *s++;
|
||||||
|
#endif
|
||||||
#endif
|
#endif
|
||||||
#ifdef CONFIG_ETRAX_DEBUG_PORT2
|
#ifdef CONFIG_ETRAX_DEBUG_PORT2
|
||||||
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
serout(s, regi_ser2);
|
serout(s, regi_ser2);
|
||||||
|
#else
|
||||||
|
while (!(*R_SERIAL2_STATUS & (1 << 5)))
|
||||||
|
;
|
||||||
|
*R_SERIAL2_TR_DATA = *s++;
|
||||||
|
#endif
|
||||||
#endif
|
#endif
|
||||||
#ifdef CONFIG_ETRAX_DEBUG_PORT3
|
#ifdef CONFIG_ETRAX_DEBUG_PORT3
|
||||||
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
serout(s, regi_ser3);
|
serout(s, regi_ser3);
|
||||||
|
#else
|
||||||
|
while (!(*R_SERIAL3_STATUS & (1 << 5)))
|
||||||
|
;
|
||||||
|
*R_SERIAL3_TR_DATA = *s++;
|
||||||
|
#endif
|
||||||
#endif
|
#endif
|
||||||
*s++;
|
*s++;
|
||||||
}
|
}
|
||||||
|
|
@ -147,8 +185,7 @@ puts(const char *s)
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
void*
|
void *memset(void *s, int c, size_t n)
|
||||||
memset(void* s, int c, size_t n)
|
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
char *ss = (char*)s;
|
char *ss = (char*)s;
|
||||||
|
|
@ -158,14 +195,13 @@ memset(void* s, int c, size_t n)
|
||||||
return s;
|
return s;
|
||||||
}
|
}
|
||||||
|
|
||||||
void*
|
void *memcpy(void *__dest, __const void *__src, size_t __n)
|
||||||
memcpy(void* __dest, __const void* __src,
|
|
||||||
size_t __n)
|
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
char *d = (char *)__dest, *s = (char *)__src;
|
char *d = (char *)__dest, *s = (char *)__src;
|
||||||
|
|
||||||
for (i=0;i<__n;i++) d[i] = s[i];
|
for (i = 0; i < __n; i++)
|
||||||
|
d[i] = s[i];
|
||||||
|
|
||||||
return __dest;
|
return __dest;
|
||||||
}
|
}
|
||||||
|
|
@ -175,43 +211,42 @@ memcpy(void* __dest, __const void* __src,
|
||||||
* (Used for the decompressed data only.)
|
* (Used for the decompressed data only.)
|
||||||
*/
|
*/
|
||||||
|
|
||||||
static void
|
static void flush_window(void)
|
||||||
flush_window()
|
|
||||||
{
|
{
|
||||||
ulg c = crc; /* temporary variable */
|
ulg c = crc; /* temporary variable */
|
||||||
unsigned n;
|
unsigned n;
|
||||||
uch *in, *out, ch;
|
uch *in, *out, ch;
|
||||||
|
|
||||||
in = window;
|
in = window;
|
||||||
out = &output_data[output_ptr];
|
out = &output_data[output_ptr];
|
||||||
for (n = 0; n < outcnt; n++) {
|
for (n = 0; n < outcnt; n++) {
|
||||||
ch = *out++ = *in++;
|
ch = *out = *in;
|
||||||
c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
|
out++;
|
||||||
}
|
in++;
|
||||||
crc = c;
|
c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
|
||||||
bytes_out += (ulg)outcnt;
|
}
|
||||||
output_ptr += (ulg)outcnt;
|
crc = c;
|
||||||
outcnt = 0;
|
bytes_out += (ulg)outcnt;
|
||||||
|
output_ptr += (ulg)outcnt;
|
||||||
|
outcnt = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
static void error(char *x)
|
||||||
error(char *x)
|
|
||||||
{
|
{
|
||||||
puts("\r\n\n");
|
puts("\n\n");
|
||||||
puts(x);
|
puts(x);
|
||||||
puts("\r\n\n -- System halted\n");
|
puts("\n\n -- System halted\n");
|
||||||
|
|
||||||
while(1); /* Halt */
|
while(1); /* Halt */
|
||||||
}
|
}
|
||||||
|
|
||||||
void
|
void setup_normal_output_buffer(void)
|
||||||
setup_normal_output_buffer(void)
|
|
||||||
{
|
{
|
||||||
output_data = (char *)KERNEL_LOAD_ADR;
|
output_data = (char *)KERNEL_LOAD_ADR;
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline void
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
serial_setup(reg_scope_instances regi_ser)
|
static inline void serial_setup(reg_scope_instances regi_ser)
|
||||||
{
|
{
|
||||||
reg_ser_rw_xoff xoff;
|
reg_ser_rw_xoff xoff;
|
||||||
reg_ser_rw_tr_ctrl tr_ctrl;
|
reg_ser_rw_tr_ctrl tr_ctrl;
|
||||||
|
|
@ -252,12 +287,16 @@ serial_setup(reg_scope_instances regi_ser)
|
||||||
REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
|
REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
|
||||||
REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud);
|
REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud);
|
||||||
}
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
void
|
void decompress_kernel(void)
|
||||||
decompress_kernel(void)
|
|
||||||
{
|
{
|
||||||
char revision;
|
char revision;
|
||||||
|
char compile_rev;
|
||||||
|
|
||||||
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
|
/* Need at least a CRISv32 to run. */
|
||||||
|
compile_rev = 32;
|
||||||
#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
|
#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
|
||||||
defined(CONFIG_ETRAX_DEBUG_PORT2) || \
|
defined(CONFIG_ETRAX_DEBUG_PORT2) || \
|
||||||
defined(CONFIG_ETRAX_DEBUG_PORT3)
|
defined(CONFIG_ETRAX_DEBUG_PORT3)
|
||||||
|
|
@ -277,6 +316,7 @@ decompress_kernel(void)
|
||||||
hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
|
hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
||||||
#ifdef CONFIG_ETRAX_DEBUG_PORT0
|
#ifdef CONFIG_ETRAX_DEBUG_PORT0
|
||||||
serial_setup(regi_ser0);
|
serial_setup(regi_ser0);
|
||||||
#endif
|
#endif
|
||||||
|
|
@ -300,19 +340,52 @@ decompress_kernel(void)
|
||||||
|
|
||||||
/* input_data is set in head.S */
|
/* input_data is set in head.S */
|
||||||
inbuf = input_data;
|
inbuf = input_data;
|
||||||
|
#else /* CRISv10 */
|
||||||
|
/* Need at least a crisv10 to run. */
|
||||||
|
compile_rev = 10;
|
||||||
|
|
||||||
|
/* input_data is set in head.S */
|
||||||
|
inbuf = input_data;
|
||||||
|
|
||||||
|
#ifdef CONFIG_ETRAX_DEBUG_PORT0
|
||||||
|
*R_SERIAL0_XOFF = 0;
|
||||||
|
*R_SERIAL0_BAUD = 0x99;
|
||||||
|
*R_SERIAL0_TR_CTRL = 0x40;
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_ETRAX_DEBUG_PORT1
|
||||||
|
*R_SERIAL1_XOFF = 0;
|
||||||
|
*R_SERIAL1_BAUD = 0x99;
|
||||||
|
*R_SERIAL1_TR_CTRL = 0x40;
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_ETRAX_DEBUG_PORT2
|
||||||
|
*R_GEN_CONFIG = 0x08;
|
||||||
|
*R_SERIAL2_XOFF = 0;
|
||||||
|
*R_SERIAL2_BAUD = 0x99;
|
||||||
|
*R_SERIAL2_TR_CTRL = 0x40;
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_ETRAX_DEBUG_PORT3
|
||||||
|
*R_GEN_CONFIG = 0x100;
|
||||||
|
*R_SERIAL3_XOFF = 0;
|
||||||
|
*R_SERIAL3_BAUD = 0x99;
|
||||||
|
*R_SERIAL3_TR_CTRL = 0x40;
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
|
||||||
setup_normal_output_buffer();
|
setup_normal_output_buffer();
|
||||||
|
|
||||||
makecrc();
|
makecrc();
|
||||||
|
|
||||||
__asm__ volatile ("move $vr,%0" : "=rm" (revision));
|
__asm__ volatile ("move $vr,%0" : "=rm" (revision));
|
||||||
if (revision < 32)
|
if (revision < compile_rev) {
|
||||||
{
|
#ifdef CONFIG_ETRAX_ARCH_V32
|
||||||
puts("You need an ETRAX FS to run Linux 2.6/crisv32.\r\n");
|
puts("You need an ETRAX FS to run Linux 2.6/crisv32\n");
|
||||||
|
#else
|
||||||
|
puts("You need an ETRAX 100LX to run linux 2.6\n");
|
||||||
|
#endif
|
||||||
while(1);
|
while(1);
|
||||||
}
|
}
|
||||||
|
|
||||||
puts("Uncompressing Linux...\r\n");
|
puts("Uncompressing Linux...\n");
|
||||||
gunzip();
|
gunzip();
|
||||||
puts("Done. Now booting the kernel.\r\n");
|
puts("Done. Now booting the kernel\n");
|
||||||
}
|
}
|
||||||
|
|
@ -2,16 +2,26 @@
|
||||||
# Makefile for rescue (bootstrap) code
|
# Makefile for rescue (bootstrap) code
|
||||||
#
|
#
|
||||||
|
|
||||||
ccflags-y += -O2 $(LINUXINCLUDE)
|
# CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
|
||||||
|
# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/arch/mach/ \
|
||||||
|
# -I$(srctree)/include/asm/arch
|
||||||
|
# asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch
|
||||||
|
# LD = gcc-cris -mlinux -march=v32 -nostdlib
|
||||||
|
|
||||||
asflags-y += $(LINUXINCLUDE)
|
asflags-y += $(LINUXINCLUDE)
|
||||||
ldflags-y += -T $(srctree)/$(src)/rescue.lds
|
ccflags-y += -O2 $(LINUXINCLUDE)
|
||||||
|
arch-$(CONFIG_ETRAX_ARCH_V10) = v10
|
||||||
|
arch-$(CONFIG_ETRAX_ARCH_V32) = v32
|
||||||
|
|
||||||
|
ldflags-y += -T $(srctree)/$(src)/rescue_$(arch-y).lds
|
||||||
OBJCOPYFLAGS = -O binary --remove-section=.bss
|
OBJCOPYFLAGS = -O binary --remove-section=.bss
|
||||||
obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
|
obj-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o
|
||||||
OBJECT := $(obj)/head.o
|
obj-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o
|
||||||
|
OBJECTS := $(obj-y)
|
||||||
|
|
||||||
targets := rescue.o rescue.bin
|
targets := rescue.o rescue.bin
|
||||||
|
|
||||||
$(obj)/rescue.o: $(OBJECT) FORCE
|
$(obj)/rescue.o: $(OBJECTS) FORCE
|
||||||
$(call if_changed,ld)
|
$(call if_changed,ld)
|
||||||
|
|
||||||
$(obj)/rescue.bin: $(obj)/rescue.o FORCE
|
$(obj)/rescue.bin: $(obj)/rescue.o FORCE
|
||||||
|
|
@ -26,6 +36,7 @@ $(obj)/testrescue.bin: $(obj)/testrescue.o
|
||||||
dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784
|
dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784
|
||||||
rm tr.bin tmp2423 testrescue_tmp.bin
|
rm tr.bin tmp2423 testrescue_tmp.bin
|
||||||
|
|
||||||
|
|
||||||
$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
|
$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
|
||||||
$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin
|
$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin
|
||||||
# Pad it to 784 bytes, that's what the rescue loader expects
|
# Pad it to 784 bytes, that's what the rescue loader expects
|
||||||
|
|
@ -33,3 +44,4 @@ $(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
|
||||||
cat ktr.bin tmp2423 >kimagerescue_tmp.bin
|
cat ktr.bin tmp2423 >kimagerescue_tmp.bin
|
||||||
dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784
|
dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784
|
||||||
rm ktr.bin tmp2423 kimagerescue_tmp.bin
|
rm ktr.bin tmp2423 kimagerescue_tmp.bin
|
||||||
|
|
||||||
|
|
@ -155,7 +155,7 @@ no_newjump:
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
;; We need to setup the bus registers before we start using the DRAM
|
;; We need to setup the bus registers before we start using the DRAM
|
||||||
#include "../../lib/dram_init.S"
|
#include "../../../arch-v10/lib/dram_init.S"
|
||||||
|
|
||||||
;; we now should go through the checksum-table and check the listed
|
;; we now should go through the checksum-table and check the listed
|
||||||
;; partitions for errors.
|
;; partitions for errors.
|
||||||
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