SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
-suffix_$(CONFIG_KERNEL_GZIP) = gzip
-suffix_$(CONFIG_KERNEL_LZO) = lzo
-
-targets := vmlinux vmlinux.lds \
- piggy.$(suffix_y) piggy.$(suffix_y).o \
- font.o font.c head.o misc.o $(OBJS)
+targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
+ head.o misc.o $(OBJS)
ifeq ($(CONFIG_FUNCTION_TRACER),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
ifneq ($(PARAMS_PHYS),)
LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
endif
-# ?
-LDFLAGS_vmlinux += -p
-# Report unresolved symbol references
-LDFLAGS_vmlinux += --no-undefined
-# Delete all temporary local symbols
-LDFLAGS_vmlinux += -X
-# Next argument is a linker script
-LDFLAGS_vmlinux += -T
-
-# For __aeabi_uidivmod
-lib1funcs = $(obj)/lib1funcs.o
-
-$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
- $(call cmd,shipped)
+LDFLAGS_vmlinux += -p --no-undefined -X \
+ $(shell $(CC) $(KBUILD_CFLAGS) --print-libgcc-file-name) -T
# Don't allow any static data in misc.o, which
# would otherwise mess up our GOT table
CFLAGS_misc.o := -Dstatic=
-$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
- $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
+ $(addprefix $(obj)/, $(OBJS)) FORCE
$(call if_changed,ld)
@:
-$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
- $(call if_changed,$(suffix_y))
+$(obj)/piggy.gz: $(obj)/../Image FORCE
+ $(call if_changed,gzip)
-$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
+$(obj)/piggy.o: $(obj)/piggy.gz FORCE
CFLAGS_font.o := -Dstatic=
unsigned int __machine_arch_type;
-#define _LINUX_STRING_H_
-
#include <linux/compiler.h> /* for inline */
#include <linux/types.h> /* for size_t */
#include <linux/stddef.h> /* for NULL */
#include <asm/string.h>
-#include <linux/linkage.h>
-
-#include <asm/unaligned.h>
#ifdef STANDALONE_DEBUG
#define putstr printf
/*
* gzip delarations
*/
+#define OF(args) args
#define STATIC static
+typedef unsigned char uch;
+typedef unsigned short ush;
+typedef unsigned long ulg;
+
+#define WSIZE 0x8000 /* Window size must be at least 32k, */
+ /* and a power of two */
+
+static uch *inbuf; /* input buffer */
+static uch window[WSIZE]; /* Sliding window buffer */
+
+static unsigned insize; /* valid bytes in inbuf */
+static unsigned inptr; /* index of next byte to be processed in inbuf */
+static unsigned outcnt; /* bytes in output buffer */
+
+/* gzip flag byte */
+#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
+#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
+#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
+#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
+#define COMMENT 0x10 /* bit 4 set: file comment present */
+#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
+#define RESERVED 0xC0 /* bit 6,7: reserved */
+
+#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
+
/* Diagnostic functions */
#ifdef DEBUG
# define Assert(cond,msg) {if(!(cond)) error(msg);}
# define Tracecv(c,x)
#endif
+static int fill_inbuf(void);
+static void flush_window(void);
static void error(char *m);
extern char input_data[];
extern char input_data_end[];
-static unsigned char *output_data;
-static unsigned long output_ptr;
+static uch *output_data;
+static ulg output_ptr;
+static ulg bytes_out;
static void error(char *m);
static void putstr(const char *);
-static unsigned long free_mem_ptr;
-static unsigned long free_mem_end_ptr;
+extern int end;
+static ulg free_mem_ptr;
+static ulg free_mem_end_ptr;
#ifdef STANDALONE_DEBUG
#define NO_INFLATE_MALLOC
#define ARCH_HAS_DECOMP_WDOG
-#ifdef CONFIG_KERNEL_GZIP
-#include "../../../../lib/decompress_inflate.c"
-#endif
+#include "../../../../lib/inflate.c"
-#ifdef CONFIG_KERNEL_LZO
-#include "../../../../lib/decompress_unlzo.c"
-#endif
+/* ===========================================================================
+ * Fill the input buffer. This is called only when the buffer is empty
+ * and at least one byte is really needed.
+ */
+int fill_inbuf(void)
+{
+ if (insize != 0)
+ error("ran out of input data");
+
+ inbuf = input_data;
+ insize = &input_data_end[0] - &input_data[0];
+
+ inptr = 1;
+ return inbuf[0];
+}
+
+/* ===========================================================================
+ * Write the output window window[0..outcnt-1] and update crc and bytes_out.
+ * (Used for the decompressed data only.)
+ */
+void flush_window(void)
+{
+ ulg c = crc;
+ unsigned n;
+ uch *in, *out, ch;
+
+ in = window;
+ out = &output_data[output_ptr];
+ for (n = 0; n < outcnt; n++) {
+ ch = *out++ = *in++;
+ c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
+ }
+ crc = c;
+ bytes_out += (ulg)outcnt;
+ output_ptr += (ulg)outcnt;
+ outcnt = 0;
+ putstr(".");
+}
#ifndef arch_error
#define arch_error(x)
while(1); /* Halt */
}
-asmlinkage void __div0(void)
-{
- error("Attempting division by 0!");
-}
-
#ifndef STANDALONE_DEBUG
-unsigned long
-decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
- unsigned long free_mem_ptr_end_p,
- int arch_id)
+ulg
+decompress_kernel(ulg output_start, ulg free_mem_ptr_p, ulg free_mem_ptr_end_p,
+ int arch_id)
{
- unsigned char *tmp;
-
- output_data = (unsigned char *)output_start;
+ output_data = (uch *)output_start; /* Points to kernel start */
free_mem_ptr = free_mem_ptr_p;
free_mem_end_ptr = free_mem_ptr_end_p;
__machine_arch_type = arch_id;
arch_decomp_setup();
- tmp = (unsigned char *) (((unsigned long)input_data_end) - 4);
- output_ptr = get_unaligned_le32(tmp);
-
+ makecrc();
putstr("Uncompressing Linux...");
- decompress(input_data, input_data_end - input_data,
- NULL, NULL, output_data, NULL, error);
+ gunzip();
putstr(" done, booting the kernel.\n");
return output_ptr;
}
{
output_data = output_buffer;
+ makecrc();
putstr("Uncompressing Linux...");
- decompress(input_data, input_data_end - input_data,
- NULL, NULL, output_data, NULL, error);
+ gunzip();
putstr("done.\n");
return 0;
}
#endif
+
projects / firefly-linux-kernel-4.4.55.git / commitdiff