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-rw-r--r--arch/sh/boot/.gitignore5
-rw-r--r--arch/sh/boot/Makefile48
-rw-r--r--arch/sh/boot/compressed/.gitignore1
-rw-r--r--arch/sh/boot/compressed/Makefile21
-rw-r--r--arch/sh/boot/compressed/head_32.S2
-rw-r--r--arch/sh/boot/compressed/misc.c149
-rw-r--r--arch/sh/boot/compressed/misc_32.c206
-rw-r--r--arch/sh/boot/compressed/misc_64.c210
-rw-r--r--arch/sh/boot/compressed/piggy.S8
-rw-r--r--arch/sh/boot/compressed/vmlinux.scr10
-rw-r--r--arch/sh/boot/romimage/Makefile19
-rw-r--r--arch/sh/boot/romimage/head.S10
-rw-r--r--arch/sh/boot/romimage/vmlinux.scr6
13 files changed, 249 insertions, 446 deletions
diff --git a/arch/sh/boot/.gitignore b/arch/sh/boot/.gitignore
index aad5edddf93b..541087d2029c 100644
--- a/arch/sh/boot/.gitignore
+++ b/arch/sh/boot/.gitignore
@@ -1,4 +1,3 @@
1zImage 1zImage
2vmlinux.srec 2vmlinux*
3uImage 3uImage*
4uImage.srec
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 78efb04c28f3..a1316872be6f 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -20,8 +20,13 @@ CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
20CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000 20CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
21CONFIG_ENTRY_OFFSET ?= 0x00001000 21CONFIG_ENTRY_OFFSET ?= 0x00001000
22 22
23targets := zImage vmlinux.srec uImage uImage.srec 23suffix-$(CONFIG_KERNEL_GZIP) := gz
24subdir- := compressed 24suffix-$(CONFIG_KERNEL_BZIP2) := bz2
25suffix-$(CONFIG_KERNEL_LZMA) := lzma
26
27targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
28extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
29subdir- := compressed romimage
25 30
26$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 31$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
27 $(call if_changed,objcopy) 32 $(call if_changed,objcopy)
@@ -30,6 +35,13 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
30$(obj)/compressed/vmlinux: FORCE 35$(obj)/compressed/vmlinux: FORCE
31 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 36 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
32 37
38$(obj)/romImage: $(obj)/romimage/vmlinux FORCE
39 $(call if_changed,objcopy)
40 @echo ' Kernel: $@ is ready'
41
42$(obj)/romimage/vmlinux: $(obj)/zImage FORCE
43 $(Q)$(MAKE) $(build)=$(obj)/romimage $@
44
33KERNEL_MEMORY := 0x00000000 45KERNEL_MEMORY := 0x00000000
34ifeq ($(CONFIG_PMB_FIXED),y) 46ifeq ($(CONFIG_PMB_FIXED),y)
35KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \ 47KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
@@ -40,9 +52,6 @@ KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
40 $$[$(CONFIG_MEMORY_START)]') 52 $$[$(CONFIG_MEMORY_START)]')
41endif 53endif
42 54
43export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
44 CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY
45
46KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \ 55KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
47 $$[$(CONFIG_PAGE_OFFSET) + \ 56 $$[$(CONFIG_PAGE_OFFSET) + \
48 $(KERNEL_MEMORY) + \ 57 $(KERNEL_MEMORY) + \
@@ -55,19 +64,30 @@ KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
55 64
56quiet_cmd_uimage = UIMAGE $@ 65quiet_cmd_uimage = UIMAGE $@
57 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \ 66 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
58 -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \ 67 -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
59 -n 'Linux-$(KERNELRELEASE)' -d $< $@ 68 -n 'Linux-$(KERNELRELEASE)' -d $< $@
60 69
61$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
62 $(call if_changed,uimage)
63 @echo ' Image $@ is ready'
64
65$(obj)/vmlinux.bin: vmlinux FORCE 70$(obj)/vmlinux.bin: vmlinux FORCE
66 $(call if_changed,objcopy) 71 $(call if_changed,objcopy)
67 72
68$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 73$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
69 $(call if_changed,gzip) 74 $(call if_changed,gzip)
70 75
76$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
77 $(call if_changed,bzip2)
78
79$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
80 $(call if_changed,lzma)
81
82$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
83 $(call if_changed,uimage,bzip2)
84
85$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
86 $(call if_changed,uimage,gzip)
87
88$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
89 $(call if_changed,uimage,lzma)
90
71OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec 91OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
72$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux 92$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
73 $(call if_changed,objcopy) 93 $(call if_changed,objcopy)
@@ -76,5 +96,9 @@ OBJCOPYFLAGS_uImage.srec := -I binary -O srec
76$(obj)/uImage.srec: $(obj)/uImage 96$(obj)/uImage.srec: $(obj)/uImage
77 $(call if_changed,objcopy) 97 $(call if_changed,objcopy)
78 98
79clean-files += uImage uImage.srec vmlinux.srec \ 99$(obj)/uImage: $(obj)/uImage.$(suffix-y)
80 vmlinux.bin vmlinux.bin.gz 100 @ln -sf $(notdir $<) $@
101 @echo ' Image $@ is ready'
102
103export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
104 CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y
diff --git a/arch/sh/boot/compressed/.gitignore b/arch/sh/boot/compressed/.gitignore
new file mode 100644
index 000000000000..2374a83d87b2
--- /dev/null
+++ b/arch/sh/boot/compressed/.gitignore
@@ -0,0 +1 @@
vmlinux.bin.*
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 9531bf1b7c2f..6182eca5180a 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -5,9 +5,10 @@
5# 5#
6 6
7targets := vmlinux vmlinux.bin vmlinux.bin.gz \ 7targets := vmlinux vmlinux.bin vmlinux.bin.gz \
8 head_$(BITS).o misc_$(BITS).o piggy.o 8 vmlinux.bin.bz2 vmlinux.bin.lzma \
9 head_$(BITS).o misc.o piggy.o
9 10
10OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o 11OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
11 12
12ifdef CONFIG_SH_STANDARD_BIOS 13ifdef CONFIG_SH_STANDARD_BIOS
13OBJECTS += $(obj)/../../kernel/sh_bios.o 14OBJECTS += $(obj)/../../kernel/sh_bios.o
@@ -23,7 +24,7 @@ IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
23 24
24LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 25LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
25 26
26ifeq ($(CONFIG_FUNCTION_TRACER),y) 27ifeq ($(CONFIG_MCOUNT),y)
27ORIG_CFLAGS := $(KBUILD_CFLAGS) 28ORIG_CFLAGS := $(KBUILD_CFLAGS)
28KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 29KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
29endif 30endif
@@ -38,10 +39,18 @@ $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
38$(obj)/vmlinux.bin: vmlinux FORCE 39$(obj)/vmlinux.bin: vmlinux FORCE
39 $(call if_changed,objcopy) 40 $(call if_changed,objcopy)
40 41
41$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 42vmlinux.bin.all-y := $(obj)/vmlinux.bin
43
44$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
42 $(call if_changed,gzip) 45 $(call if_changed,gzip)
46$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
47 $(call if_changed,bzip2)
48$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
49 $(call if_changed,lzma)
43 50
44OBJCOPYFLAGS += -R .empty_zero_page 51OBJCOPYFLAGS += -R .empty_zero_page
45 52
46$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE 53LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
47 $(call if_changed,as_o_S) 54
55$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
56 $(call if_changed,ld)
diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S
index 06ac31f3be88..02a30935f0b9 100644
--- a/arch/sh/boot/compressed/head_32.S
+++ b/arch/sh/boot/compressed/head_32.S
@@ -22,7 +22,7 @@ startup:
22 bt clear_bss 22 bt clear_bss
23 sub r0, r2 23 sub r0, r2
24 mov.l bss_start_addr, r0 24 mov.l bss_start_addr, r0
25 mov #0xe0, r1 25 mov #0xffffffe0, r1
26 and r1, r0 ! align cache line 26 and r1, r0 ! align cache line
27 mov.l text_start_addr, r3 27 mov.l text_start_addr, r3
28 mov r0, r1 28 mov r0, r1
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
new file mode 100644
index 000000000000..fd56a71ca9d9
--- /dev/null
+++ b/arch/sh/boot/compressed/misc.c
@@ -0,0 +1,149 @@
1/*
2 * arch/sh/boot/compressed/misc.c
3 *
4 * This is a collection of several routines from gzip-1.0.3
5 * adapted for Linux.
6 *
7 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
8 *
9 * Adapted for SH by Stuart Menefy, Aug 1999
10 *
11 * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000
12 */
13
14#include <asm/uaccess.h>
15#include <asm/addrspace.h>
16#include <asm/page.h>
17#include <asm/sh_bios.h>
18
19/*
20 * gzip declarations
21 */
22
23#define STATIC static
24
25#undef memset
26#undef memcpy
27#define memzero(s, n) memset ((s), 0, (n))
28
29/* cache.c */
30#define CACHE_ENABLE 0
31#define CACHE_DISABLE 1
32int cache_control(unsigned int command);
33
34extern char input_data[];
35extern int input_len;
36static unsigned char *output;
37
38static void error(char *m);
39
40int puts(const char *);
41
42extern int _text; /* Defined in vmlinux.lds.S */
43extern int _end;
44static unsigned long free_mem_ptr;
45static unsigned long free_mem_end_ptr;
46
47#ifdef CONFIG_HAVE_KERNEL_BZIP2
48#define HEAP_SIZE 0x400000
49#else
50#define HEAP_SIZE 0x10000
51#endif
52
53#ifdef CONFIG_KERNEL_GZIP
54#include "../../../../lib/decompress_inflate.c"
55#endif
56
57#ifdef CONFIG_KERNEL_BZIP2
58#include "../../../../lib/decompress_bunzip2.c"
59#endif
60
61#ifdef CONFIG_KERNEL_LZMA
62#include "../../../../lib/decompress_unlzma.c"
63#endif
64
65#ifdef CONFIG_SH_STANDARD_BIOS
66size_t strlen(const char *s)
67{
68 int i = 0;
69
70 while (*s++)
71 i++;
72 return i;
73}
74
75int puts(const char *s)
76{
77 int len = strlen(s);
78 sh_bios_console_write(s, len);
79 return len;
80}
81#else
82int puts(const char *s)
83{
84 /* This should be updated to use the sh-sci routines */
85 return 0;
86}
87#endif
88
89void* memset(void* s, int c, size_t n)
90{
91 int i;
92 char *ss = (char*)s;
93
94 for (i=0;i<n;i++) ss[i] = c;
95 return s;
96}
97
98void* memcpy(void* __dest, __const void* __src,
99 size_t __n)
100{
101 int i;
102 char *d = (char *)__dest, *s = (char *)__src;
103
104 for (i=0;i<__n;i++) d[i] = s[i];
105 return __dest;
106}
107
108static void error(char *x)
109{
110 puts("\n\n");
111 puts(x);
112 puts("\n\n -- System halted");
113
114 while(1); /* Halt */
115}
116
117#ifdef CONFIG_SUPERH64
118#define stackalign 8
119#else
120#define stackalign 4
121#endif
122
123#define STACK_SIZE (4096)
124long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE];
125long *stack_start = &user_stack[STACK_SIZE];
126
127void decompress_kernel(void)
128{
129 unsigned long output_addr;
130
131#ifdef CONFIG_SUPERH64
132 output_addr = (CONFIG_MEMORY_START + 0x2000);
133#else
134 output_addr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
135#ifdef CONFIG_29BIT
136 output_addr |= P2SEG;
137#endif
138#endif
139
140 output = (unsigned char *)output_addr;
141 free_mem_ptr = (unsigned long)&_end;
142 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
143
144 puts("Uncompressing Linux... ");
145 cache_control(CACHE_ENABLE);
146 decompress(input_data, input_len, NULL, NULL, output, NULL, error);
147 cache_control(CACHE_DISABLE);
148 puts("Ok, booting the kernel.\n");
149}
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c
deleted file mode 100644
index efdba6b29572..000000000000
--- a/arch/sh/boot/compressed/misc_32.c
+++ /dev/null
@@ -1,206 +0,0 @@
1/*
2 * arch/sh/boot/compressed/misc.c
3 *
4 * This is a collection of several routines from gzip-1.0.3
5 * adapted for Linux.
6 *
7 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
8 *
9 * Adapted for SH by Stuart Menefy, Aug 1999
10 *
11 * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000
12 */
13
14#include <asm/uaccess.h>
15#include <asm/addrspace.h>
16#include <asm/page.h>
17#ifdef CONFIG_SH_STANDARD_BIOS
18#include <asm/sh_bios.h>
19#endif
20
21/*
22 * gzip declarations
23 */
24
25#define OF(args) args
26#define STATIC static
27
28#undef memset
29#undef memcpy
30#define memzero(s, n) memset ((s), 0, (n))
31
32typedef unsigned char uch;
33typedef unsigned short ush;
34typedef unsigned long ulg;
35
36#define WSIZE 0x8000 /* Window size must be at least 32k, */
37 /* and a power of two */
38
39static uch *inbuf; /* input buffer */
40static uch window[WSIZE]; /* Sliding window buffer */
41
42static unsigned insize = 0; /* valid bytes in inbuf */
43static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
44static unsigned outcnt = 0; /* bytes in output buffer */
45
46/* gzip flag byte */
47#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
48#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
49#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
50#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
51#define COMMENT 0x10 /* bit 4 set: file comment present */
52#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
53#define RESERVED 0xC0 /* bit 6,7: reserved */
54
55#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
56
57/* Diagnostic functions */
58#ifdef DEBUG
59# define Assert(cond,msg) {if(!(cond)) error(msg);}
60# define Trace(x) fprintf x
61# define Tracev(x) {if (verbose) fprintf x ;}
62# define Tracevv(x) {if (verbose>1) fprintf x ;}
63# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
64# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
65#else
66# define Assert(cond,msg)
67# define Trace(x)
68# define Tracev(x)
69# define Tracevv(x)
70# define Tracec(c,x)
71# define Tracecv(c,x)
72#endif
73
74static int fill_inbuf(void);
75static void flush_window(void);
76static void error(char *m);
77
78extern char input_data[];
79extern int input_len;
80
81static long bytes_out = 0;
82static uch *output_data;
83static unsigned long output_ptr = 0;
84
85static void error(char *m);
86
87int puts(const char *);
88
89extern int _text; /* Defined in vmlinux.lds.S */
90extern int _end;
91static unsigned long free_mem_ptr;
92static unsigned long free_mem_end_ptr;
93
94#define HEAP_SIZE 0x10000
95
96#include "../../../../lib/inflate.c"
97
98#ifdef CONFIG_SH_STANDARD_BIOS
99size_t strlen(const char *s)
100{
101 int i = 0;
102
103 while (*s++)
104 i++;
105 return i;
106}
107
108int puts(const char *s)
109{
110 int len = strlen(s);
111 sh_bios_console_write(s, len);
112 return len;
113}
114#else
115int puts(const char *s)
116{
117 /* This should be updated to use the sh-sci routines */
118 return 0;
119}
120#endif
121
122void* memset(void* s, int c, size_t n)
123{
124 int i;
125 char *ss = (char*)s;
126
127 for (i=0;i<n;i++) ss[i] = c;
128 return s;
129}
130
131void* memcpy(void* __dest, __const void* __src,
132 size_t __n)
133{
134 int i;
135 char *d = (char *)__dest, *s = (char *)__src;
136
137 for (i=0;i<__n;i++) d[i] = s[i];
138 return __dest;
139}
140
141/* ===========================================================================
142 * Fill the input buffer. This is called only when the buffer is empty
143 * and at least one byte is really needed.
144 */
145static int fill_inbuf(void)
146{
147 if (insize != 0) {
148 error("ran out of input data");
149 }
150
151 inbuf = input_data;
152 insize = input_len;
153 inptr = 1;
154 return inbuf[0];
155}
156
157/* ===========================================================================
158 * Write the output window window[0..outcnt-1] and update crc and bytes_out.
159 * (Used for the decompressed data only.)
160 */
161static void flush_window(void)
162{
163 ulg c = crc; /* temporary variable */
164 unsigned n;
165 uch *in, *out, ch;
166
167 in = window;
168 out = &output_data[output_ptr];
169 for (n = 0; n < outcnt; n++) {
170 ch = *out++ = *in++;
171 c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
172 }
173 crc = c;
174 bytes_out += (ulg)outcnt;
175 output_ptr += (ulg)outcnt;
176 outcnt = 0;
177}
178
179static void error(char *x)
180{
181 puts("\n\n");
182 puts(x);
183 puts("\n\n -- System halted");
184
185 while(1); /* Halt */
186}
187
188#define STACK_SIZE (4096)
189long user_stack [STACK_SIZE];
190long* stack_start = &user_stack[STACK_SIZE];
191
192void decompress_kernel(void)
193{
194 output_data = NULL;
195 output_ptr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
196#ifdef CONFIG_29BIT
197 output_ptr |= P2SEG;
198#endif
199 free_mem_ptr = (unsigned long)&_end;
200 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
201
202 makecrc();
203 puts("Uncompressing Linux... ");
204 gunzip();
205 puts("Ok, booting the kernel.\n");
206}
diff --git a/arch/sh/boot/compressed/misc_64.c b/arch/sh/boot/compressed/misc_64.c
deleted file mode 100644
index 2941657e18aa..000000000000
--- a/arch/sh/boot/compressed/misc_64.c
+++ /dev/null
@@ -1,210 +0,0 @@
1/*
2 * arch/sh/boot/compressed/misc_64.c
3 *
4 * This is a collection of several routines from gzip-1.0.3
5 * adapted for Linux.
6 *
7 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
8 *
9 * Adapted for SHmedia from sh by Stuart Menefy, May 2002
10 */
11
12#include <asm/uaccess.h>
13
14/* cache.c */
15#define CACHE_ENABLE 0
16#define CACHE_DISABLE 1
17int cache_control(unsigned int command);
18
19/*
20 * gzip declarations
21 */
22
23#define OF(args) args
24#define STATIC static
25
26#undef memset
27#undef memcpy
28#define memzero(s, n) memset ((s), 0, (n))
29
30typedef unsigned char uch;
31typedef unsigned short ush;
32typedef unsigned long ulg;
33
34#define WSIZE 0x8000 /* Window size must be at least 32k, */
35 /* and a power of two */
36
37static uch *inbuf; /* input buffer */
38static uch window[WSIZE]; /* Sliding window buffer */
39
40static unsigned insize = 0; /* valid bytes in inbuf */
41static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
42static unsigned outcnt = 0; /* bytes in output buffer */
43
44/* gzip flag byte */
45#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
46#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
47#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
48#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
49#define COMMENT 0x10 /* bit 4 set: file comment present */
50#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
51#define RESERVED 0xC0 /* bit 6,7: reserved */
52
53#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
54
55/* Diagnostic functions */
56#ifdef DEBUG
57# define Assert(cond,msg) {if(!(cond)) error(msg);}
58# define Trace(x) fprintf x
59# define Tracev(x) {if (verbose) fprintf x ;}
60# define Tracevv(x) {if (verbose>1) fprintf x ;}
61# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
62# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
63#else
64# define Assert(cond,msg)
65# define Trace(x)
66# define Tracev(x)
67# define Tracevv(x)
68# define Tracec(c,x)
69# define Tracecv(c,x)
70#endif
71
72static int fill_inbuf(void);
73static void flush_window(void);
74static void error(char *m);
75
76extern char input_data[];
77extern int input_len;
78
79static long bytes_out = 0;
80static uch *output_data;
81static unsigned long output_ptr = 0;
82
83static void error(char *m);
84
85static void puts(const char *);
86
87extern int _text; /* Defined in vmlinux.lds.S */
88extern int _end;
89static unsigned long free_mem_ptr;
90static unsigned long free_mem_end_ptr;
91
92#define HEAP_SIZE 0x10000
93
94#include "../../../../lib/inflate.c"
95
96void puts(const char *s)
97{
98}
99
100void *memset(void *s, int c, size_t n)
101{
102 int i;
103 char *ss = (char *) s;
104
105 for (i = 0; i < n; i++)
106 ss[i] = c;
107 return s;
108}
109
110void *memcpy(void *__dest, __const void *__src, size_t __n)
111{
112 int i;
113 char *d = (char *) __dest, *s = (char *) __src;
114
115 for (i = 0; i < __n; i++)
116 d[i] = s[i];
117 return __dest;
118}
119
120/* ===========================================================================
121 * Fill the input buffer. This is called only when the buffer is empty
122 * and at least one byte is really needed.
123 */
124static int fill_inbuf(void)
125{
126 if (insize != 0) {
127 error("ran out of input data\n");
128 }
129
130 inbuf = input_data;
131 insize = input_len;
132 inptr = 1;
133 return inbuf[0];
134}
135
136/* ===========================================================================
137 * Write the output window window[0..outcnt-1] and update crc and bytes_out.
138 * (Used for the decompressed data only.)
139 */
140static void flush_window(void)
141{
142 ulg c = crc; /* temporary variable */
143 unsigned n;
144 uch *in, *out, ch;
145
146 in = window;
147 out = &output_data[output_ptr];
148 for (n = 0; n < outcnt; n++) {
149 ch = *out++ = *in++;
150 c = crc_32_tab[((int) c ^ ch) & 0xff] ^ (c >> 8);
151 }
152 crc = c;
153 bytes_out += (ulg) outcnt;
154 output_ptr += (ulg) outcnt;
155 outcnt = 0;
156 puts(".");
157}
158
159static void error(char *x)
160{
161 puts("\n\n");
162 puts(x);
163 puts("\n\n -- System halted");
164
165 while (1) ; /* Halt */
166}
167
168#define STACK_SIZE (4096)
169long __attribute__ ((aligned(8))) user_stack[STACK_SIZE];
170long *stack_start = &user_stack[STACK_SIZE];
171
172void decompress_kernel(void)
173{
174 output_data = (uch *) (CONFIG_MEMORY_START + 0x2000);
175 free_mem_ptr = (unsigned long) &_end;
176 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
177
178 makecrc();
179 puts("Uncompressing Linux... ");
180 cache_control(CACHE_ENABLE);
181 gunzip();
182 puts("\n");
183
184#if 0
185 /* When booting from ROM may want to do something like this if the
186 * boot loader doesn't.
187 */
188
189 /* Set up the parameters and command line */
190 {
191 volatile unsigned int *parambase =
192 (int *) (CONFIG_MEMORY_START + 0x1000);
193
194 parambase[0] = 0x1; /* MOUNT_ROOT_RDONLY */
195 parambase[1] = 0x0; /* RAMDISK_FLAGS */
196 parambase[2] = 0x0200; /* ORIG_ROOT_DEV */
197 parambase[3] = 0x0; /* LOADER_TYPE */
198 parambase[4] = 0x0; /* INITRD_START */
199 parambase[5] = 0x0; /* INITRD_SIZE */
200 parambase[6] = 0;
201
202 strcpy((char *) ((int) parambase + 0x100),
203 "console=ttySC0,38400");
204 }
205#endif
206
207 puts("Ok, booting the kernel.\n");
208
209 cache_control(CACHE_DISABLE);
210}
diff --git a/arch/sh/boot/compressed/piggy.S b/arch/sh/boot/compressed/piggy.S
deleted file mode 100644
index 566071926b13..000000000000
--- a/arch/sh/boot/compressed/piggy.S
+++ /dev/null
@@ -1,8 +0,0 @@
1 .global input_len, input_data
2 .data
3input_len:
4 .long input_data_end - input_data
5input_data:
6 .incbin "arch/sh/boot/compressed/vmlinux.bin.gz"
7input_data_end:
8 .end
diff --git a/arch/sh/boot/compressed/vmlinux.scr b/arch/sh/boot/compressed/vmlinux.scr
new file mode 100644
index 000000000000..f02382ae5c48
--- /dev/null
+++ b/arch/sh/boot/compressed/vmlinux.scr
@@ -0,0 +1,10 @@
1SECTIONS
2{
3 .rodata.compressed : {
4 input_len = .;
5 LONG(input_data_end - input_data) input_data = .;
6 *(.data)
7 output_len = . - 4;
8 input_data_end = .;
9 }
10}
diff --git a/arch/sh/boot/romimage/Makefile b/arch/sh/boot/romimage/Makefile
new file mode 100644
index 000000000000..5806eee84f6f
--- /dev/null
+++ b/arch/sh/boot/romimage/Makefile
@@ -0,0 +1,19 @@
1#
2# linux/arch/sh/boot/romimage/Makefile
3#
4# create an image suitable for burning to flash from zImage
5#
6
7targets := vmlinux head.o
8
9OBJECTS = $(obj)/head.o
10LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext 0 -e romstart
11
12$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
13 $(call if_changed,ld)
14 @:
15
16LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
17
18$(obj)/piggy.o: $(obj)/vmlinux.scr arch/sh/boot/zImage FORCE
19 $(call if_changed,ld)
diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S
new file mode 100644
index 000000000000..219bc626dd71
--- /dev/null
+++ b/arch/sh/boot/romimage/head.S
@@ -0,0 +1,10 @@
1/*
2 * linux/arch/sh/boot/romimage/head.S
3 *
4 * Board specific setup code, executed before zImage loader
5 */
6
7.text
8 .global romstart
9romstart:
10#include <mach/romimage.h>
diff --git a/arch/sh/boot/romimage/vmlinux.scr b/arch/sh/boot/romimage/vmlinux.scr
new file mode 100644
index 000000000000..287c08f8b4bb
--- /dev/null
+++ b/arch/sh/boot/romimage/vmlinux.scr
@@ -0,0 +1,6 @@
1SECTIONS
2{
3 .text : {
4 *(.data)
5 }
6}
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-26 17:36:38 -0500