decompress.c (1cb4f624ea38361b6397966470f0a1bed5532483) decompress.c (d4d9a553d7b96e18fcfbd0b8fb5f803b3a27e4e6)
1/*
2 * Misc. bootloader code for many machines.
3 *
4 * Copyright 2001 MontaVista Software Inc.
5 * Author: Matt Porter <mporter@mvista.com> Derived from
6 * arch/ppc/boot/prep/misc.c
7 *
8 * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology

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23 * that can be used for temporary malloc area
24 */
25unsigned long free_mem_ptr;
26unsigned long free_mem_end_ptr;
27char *zimage_start;
28
29/* The linker tells us where the image is. */
30extern unsigned char __image_begin, __image_end;
1/*
2 * Misc. bootloader code for many machines.
3 *
4 * Copyright 2001 MontaVista Software Inc.
5 * Author: Matt Porter <mporter@mvista.com> Derived from
6 * arch/ppc/boot/prep/misc.c
7 *
8 * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology

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23 * that can be used for temporary malloc area
24 */
25unsigned long free_mem_ptr;
26unsigned long free_mem_end_ptr;
27char *zimage_start;
28
29/* The linker tells us where the image is. */
30extern unsigned char __image_begin, __image_end;
31extern unsigned char __ramdisk_begin, __ramdisk_end;
32unsigned long initrd_size;
33
34/* debug interfaces */
35extern void puts(const char *s);
36extern void puthex(unsigned long long val);
37
38void error(char *x)
39{
40 puts("\n\n");

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97 * already been moved once. We're good to go now. -- Tom
98 */
99 puts("zimage at: ");
100 puthex((unsigned long)zimage_start);
101 puts(" ");
102 puthex((unsigned long)(zimage_size + zimage_start));
103 puts("\n");
104
31
32/* debug interfaces */
33extern void puts(const char *s);
34extern void puthex(unsigned long long val);
35
36void error(char *x)
37{
38 puts("\n\n");

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95 * already been moved once. We're good to go now. -- Tom
96 */
97 puts("zimage at: ");
98 puthex((unsigned long)zimage_start);
99 puts(" ");
100 puthex((unsigned long)(zimage_size + zimage_start));
101 puts("\n");
102
105 if (initrd_size) {
106 puts("initrd at: ");
107 puthex((unsigned long)(&__ramdisk_begin));
108 puts(" ");
109 puthex((unsigned long)(&__ramdisk_end));
110 puts("\n");
111 }
112
113 /* this area are prepared for mallocing when decompressing */
114 free_mem_ptr = boot_heap_start;
115 free_mem_end_ptr = boot_heap_start + BOOT_HEAP_SIZE;
116
117 /* Display standard Linux/MIPS boot prompt for kernel args */
118 puts("Uncompressing Linux at load address ");
119 puthex(VMLINUX_LOAD_ADDRESS_ULL);
120 puts("\n");
121 /* Decompress the kernel with according algorithm */
122 decompress(zimage_start, zimage_size, 0, 0,
123 (void *)VMLINUX_LOAD_ADDRESS_ULL, 0, error);
124 /* FIXME: is there a need to flush cache here? */
125 puts("Now, booting the kernel...\n");
126}
103 /* this area are prepared for mallocing when decompressing */
104 free_mem_ptr = boot_heap_start;
105 free_mem_end_ptr = boot_heap_start + BOOT_HEAP_SIZE;
106
107 /* Display standard Linux/MIPS boot prompt for kernel args */
108 puts("Uncompressing Linux at load address ");
109 puthex(VMLINUX_LOAD_ADDRESS_ULL);
110 puts("\n");
111 /* Decompress the kernel with according algorithm */
112 decompress(zimage_start, zimage_size, 0, 0,
113 (void *)VMLINUX_LOAD_ADDRESS_ULL, 0, error);
114 /* FIXME: is there a need to flush cache here? */
115 puts("Now, booting the kernel...\n");
116}