diff options
Diffstat (limited to 'arch/sh/boot')
| -rw-r--r-- | arch/sh/boot/compressed/.gitignore | 1 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/Makefile | 23 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/misc.c | 149 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/misc_32.c | 206 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/misc_64.c | 210 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/piggy.S | 8 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/vmlinux.scr | 10 |
7 files changed, 178 insertions, 429 deletions
diff --git a/arch/sh/boot/compressed/.gitignore b/arch/sh/boot/compressed/.gitignore new file mode 100644 index 00000000000..2374a83d87b --- /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 3af239cb9b0..59e2937caa2 100644 --- a/arch/sh/boot/compressed/Makefile +++ b/arch/sh/boot/compressed/Makefile @@ -5,9 +5,10 @@ # targets := vmlinux vmlinux.bin vmlinux.bin.gz \ - head_$(BITS).o misc_$(BITS).o piggy.o + vmlinux.bin.bz2 vmlinux.bin.lzma \ + head_$(BITS).o misc.o piggy.o -OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o +OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o ifdef CONFIG_SH_STANDARD_BIOS OBJECTS += $(obj)/../../kernel/sh_bios.o @@ -38,10 +39,22 @@ $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE $(obj)/vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) -$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE +vmlinux.bin.all-y := $(obj)/vmlinux.bin + +$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE + $(call if_changed,lzma) + +suffix-$(CONFIG_KERNEL_GZIP) := gz +suffix-$(CONFIG_KERNEL_BZIP2) := bz2 +suffix-$(CONFIG_KERNEL_LZMA) := lzma OBJCOPYFLAGS += -R .empty_zero_page -$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE - $(call if_changed,as_o_S) +LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE + $(call if_changed,ld) diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c new file mode 100644 index 00000000000..fd56a71ca9d --- /dev/null +++ b/arch/sh/boot/compressed/misc.c @@ -0,0 +1,149 @@ +/* + * arch/sh/boot/compressed/misc.c + * + * This is a collection of several routines from gzip-1.0.3 + * adapted for Linux. + * + * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 + * + * Adapted for SH by Stuart Menefy, Aug 1999 + * + * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000 + */ + +#include <asm/uaccess.h> +#include <asm/addrspace.h> +#include <asm/page.h> +#include <asm/sh_bios.h> + +/* + * gzip declarations + */ + +#define STATIC static + +#undef memset +#undef memcpy +#define memzero(s, n) memset ((s), 0, (n)) + +/* cache.c */ +#define CACHE_ENABLE 0 +#define CACHE_DISABLE 1 +int cache_control(unsigned int command); + +extern char input_data[]; +extern int input_len; +static unsigned char *output; + +static void error(char *m); + +int puts(const char *); + +extern int _text; /* Defined in vmlinux.lds.S */ +extern int _end; +static unsigned long free_mem_ptr; +static unsigned long free_mem_end_ptr; + +#ifdef CONFIG_HAVE_KERNEL_BZIP2 +#define HEAP_SIZE 0x400000 +#else +#define HEAP_SIZE 0x10000 +#endif + +#ifdef CONFIG_KERNEL_GZIP +#include "../../../../lib/decompress_inflate.c" +#endif + +#ifdef CONFIG_KERNEL_BZIP2 +#include "../../../../lib/decompress_bunzip2.c" +#endif + +#ifdef CONFIG_KERNEL_LZMA +#include "../../../../lib/decompress_unlzma.c" +#endif + +#ifdef CONFIG_SH_STANDARD_BIOS +size_t strlen(const char *s) +{ + int i = 0; + + while (*s++) + i++; + return i; +} + +int puts(const char *s) +{ + int len = strlen(s); + sh_bios_console_write(s, len); + return len; +} +#else +int puts(const char *s) +{ + /* This should be updated to use the sh-sci routines */ + return 0; +} +#endif + +void* memset(void* s, int c, size_t n) +{ + int i; + char *ss = (char*)s; + + for (i=0;i<n;i++) ss[i] = c; + return s; +} + +void* memcpy(void* __dest, __const void* __src, + size_t __n) +{ + int i; + char *d = (char *)__dest, *s = (char *)__src; + + for (i=0;i<__n;i++) d[i] = s[i]; + return __dest; +} + +static void error(char *x) +{ + puts("\n\n"); + puts(x); + puts("\n\n -- System halted"); + + while(1); /* Halt */ +} + +#ifdef CONFIG_SUPERH64 +#define stackalign 8 +#else +#define stackalign 4 +#endif + +#define STACK_SIZE (4096) +long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE]; +long *stack_start = &user_stack[STACK_SIZE]; + +void decompress_kernel(void) +{ + unsigned long output_addr; + +#ifdef CONFIG_SUPERH64 + output_addr = (CONFIG_MEMORY_START + 0x2000); +#else + output_addr = PHYSADDR((unsigned long)&_text+PAGE_SIZE); +#ifdef CONFIG_29BIT + output_addr |= P2SEG; +#endif +#endif + + output = (unsigned char *)output_addr; + free_mem_ptr = (unsigned long)&_end; + free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; + + puts("Uncompressing Linux... "); + cache_control(CACHE_ENABLE); + decompress(input_data, input_len, NULL, NULL, output, NULL, error); + cache_control(CACHE_DISABLE); + puts("Ok, booting the kernel.\n"); +} diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c deleted file mode 100644 index efdba6b2957..00000000000 --- a/arch/sh/boot/compressed/misc_32.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * arch/sh/boot/compressed/misc.c - * - * This is a collection of several routines from gzip-1.0.3 - * adapted for Linux. - * - * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 - * - * Adapted for SH by Stuart Menefy, Aug 1999 - * - * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000 - */ - -#include <asm/uaccess.h> -#include <asm/addrspace.h> -#include <asm/page.h> -#ifdef CONFIG_SH_STANDARD_BIOS -#include <asm/sh_bios.h> -#endif - -/* - * gzip declarations - */ - -#define OF(args) args -#define STATIC static - -#undef memset -#undef memcpy -#define memzero(s, n) memset ((s), 0, (n)) - -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 = 0; /* valid bytes in inbuf */ -static unsigned inptr = 0; /* index of next byte to be processed in inbuf */ -static unsigned outcnt = 0; /* 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 Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# 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 int input_len; - -static long bytes_out = 0; -static uch *output_data; -static unsigned long output_ptr = 0; - -static void error(char *m); - -int puts(const char *); - -extern int _text; /* Defined in vmlinux.lds.S */ -extern int _end; -static unsigned long free_mem_ptr; -static unsigned long free_mem_end_ptr; - -#define HEAP_SIZE 0x10000 - -#include "../../../../lib/inflate.c" - -#ifdef CONFIG_SH_STANDARD_BIOS -size_t strlen(const char *s) -{ - int i = 0; - - while (*s++) - i++; - return i; -} - -int puts(const char *s) -{ - int len = strlen(s); - sh_bios_console_write(s, len); - return len; -} -#else -int puts(const char *s) -{ - /* This should be updated to use the sh-sci routines */ - return 0; -} -#endif - -void* memset(void* s, int c, size_t n) -{ - int i; - char *ss = (char*)s; - - for (i=0;i<n;i++) ss[i] = c; - return s; -} - -void* memcpy(void* __dest, __const void* __src, - size_t __n) -{ - int i; - char *d = (char *)__dest, *s = (char *)__src; - - for (i=0;i<__n;i++) d[i] = s[i]; - return __dest; -} - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int fill_inbuf(void) -{ - if (insize != 0) { - error("ran out of input data"); - } - - inbuf = input_data; - insize = input_len; - 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.) - */ -static void flush_window(void) -{ - ulg c = crc; /* temporary variable */ - 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; -} - -static void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while(1); /* Halt */ -} - -#define STACK_SIZE (4096) -long user_stack [STACK_SIZE]; -long* stack_start = &user_stack[STACK_SIZE]; - -void decompress_kernel(void) -{ - output_data = NULL; - output_ptr = PHYSADDR((unsigned long)&_text+PAGE_SIZE); -#ifdef CONFIG_29BIT - output_ptr |= P2SEG; -#endif - free_mem_ptr = (unsigned long)&_end; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - - makecrc(); - puts("Uncompressing Linux... "); - gunzip(); - puts("Ok, booting the kernel.\n"); -} diff --git a/arch/sh/boot/compressed/misc_64.c b/arch/sh/boot/compressed/misc_64.c deleted file mode 100644 index 2941657e18a..00000000000 --- a/arch/sh/boot/compressed/misc_64.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * arch/sh/boot/compressed/misc_64.c - * - * This is a collection of several routines from gzip-1.0.3 - * adapted for Linux. - * - * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 - * - * Adapted for SHmedia from sh by Stuart Menefy, May 2002 - */ - -#include <asm/uaccess.h> - -/* cache.c */ -#define CACHE_ENABLE 0 -#define CACHE_DISABLE 1 -int cache_control(unsigned int command); - -/* - * gzip declarations - */ - -#define OF(args) args -#define STATIC static - -#undef memset -#undef memcpy -#define memzero(s, n) memset ((s), 0, (n)) - -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 = 0; /* valid bytes in inbuf */ -static unsigned inptr = 0; /* index of next byte to be processed in inbuf */ -static unsigned outcnt = 0; /* 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 Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# 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 int input_len; - -static long bytes_out = 0; -static uch *output_data; -static unsigned long output_ptr = 0; - -static void error(char *m); - -static void puts(const char *); - -extern int _text; /* Defined in vmlinux.lds.S */ -extern int _end; -static unsigned long free_mem_ptr; -static unsigned long free_mem_end_ptr; - -#define HEAP_SIZE 0x10000 - -#include "../../../../lib/inflate.c" - -void puts(const char *s) -{ -} - -void *memset(void *s, int c, size_t n) -{ - int i; - char *ss = (char *) s; - - for (i = 0; i < n; i++) - ss[i] = c; - return s; -} - -void *memcpy(void *__dest, __const void *__src, size_t __n) -{ - int i; - char *d = (char *) __dest, *s = (char *) __src; - - for (i = 0; i < __n; i++) - d[i] = s[i]; - return __dest; -} - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int fill_inbuf(void) -{ - if (insize != 0) { - error("ran out of input data\n"); - } - - inbuf = input_data; - insize = input_len; - 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.) - */ -static void flush_window(void) -{ - ulg c = crc; /* temporary variable */ - 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; - puts("."); -} - -static void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while (1) ; /* Halt */ -} - -#define STACK_SIZE (4096) -long __attribute__ ((aligned(8))) user_stack[STACK_SIZE]; -long *stack_start = &user_stack[STACK_SIZE]; - -void decompress_kernel(void) -{ - output_data = (uch *) (CONFIG_MEMORY_START + 0x2000); - free_mem_ptr = (unsigned long) &_end; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - - makecrc(); - puts("Uncompressing Linux... "); - cache_control(CACHE_ENABLE); - gunzip(); - puts("\n"); - -#if 0 - /* When booting from ROM may want to do something like this if the - * boot loader doesn't. - */ - - /* Set up the parameters and command line */ - { - volatile unsigned int *parambase = - (int *) (CONFIG_MEMORY_START + 0x1000); - - parambase[0] = 0x1; /* MOUNT_ROOT_RDONLY */ - parambase[1] = 0x0; /* RAMDISK_FLAGS */ - parambase[2] = 0x0200; /* ORIG_ROOT_DEV */ - parambase[3] = 0x0; /* LOADER_TYPE */ - parambase[4] = 0x0; /* INITRD_START */ - parambase[5] = 0x0; /* INITRD_SIZE */ - parambase[6] = 0; - - strcpy((char *) ((int) parambase + 0x100), - "console=ttySC0,38400"); - } -#endif - - puts("Ok, booting the kernel.\n"); - - cache_control(CACHE_DISABLE); -} diff --git a/arch/sh/boot/compressed/piggy.S b/arch/sh/boot/compressed/piggy.S deleted file mode 100644 index 566071926b1..00000000000 --- a/arch/sh/boot/compressed/piggy.S +++ /dev/null @@ -1,8 +0,0 @@ - .global input_len, input_data - .data -input_len: - .long input_data_end - input_data -input_data: - .incbin "arch/sh/boot/compressed/vmlinux.bin.gz" -input_data_end: - .end diff --git a/arch/sh/boot/compressed/vmlinux.scr b/arch/sh/boot/compressed/vmlinux.scr new file mode 100644 index 00000000000..f02382ae5c4 --- /dev/null +++ b/arch/sh/boot/compressed/vmlinux.scr @@ -0,0 +1,10 @@ +SECTIONS +{ + .rodata.compressed : { + input_len = .; + LONG(input_data_end - input_data) input_data = .; + *(.data) + output_len = . - 4; + input_data_end = .; + } +} |