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105 lines
3.5 KiB
105 lines
3.5 KiB
/*
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* 2004-2005 (c) MontaVista, Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/types.h>
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#include <linux/config.h>
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#include <linux/string.h>
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#include <linux/ctype.h>
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#include <asm/ppcboot.h>
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#include <asm/ibm4xx.h>
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extern unsigned long decompress_kernel(unsigned long load_addr, int num_words,
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unsigned long cksum);
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/* We need to make sure that this is before the images to ensure
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* that it's in a mapped location. - Tom */
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bd_t hold_resid_buf __attribute__ ((__section__ (".data.boot")));
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bd_t *hold_residual = &hold_resid_buf;
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/* String functions lifted from lib/vsprintf.c and lib/ctype.c */
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unsigned char _ctype[] = {
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_C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */
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_C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */
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_C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */
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_C,_C,_C,_C,_C,_C,_C,_C, /* 24-31 */
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_S|_SP,_P,_P,_P,_P,_P,_P,_P, /* 32-39 */
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_P,_P,_P,_P,_P,_P,_P,_P, /* 40-47 */
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_D,_D,_D,_D,_D,_D,_D,_D, /* 48-55 */
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_D,_D,_P,_P,_P,_P,_P,_P, /* 56-63 */
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_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U, /* 64-71 */
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_U,_U,_U,_U,_U,_U,_U,_U, /* 72-79 */
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_U,_U,_U,_U,_U,_U,_U,_U, /* 80-87 */
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_U,_U,_U,_P,_P,_P,_P,_P, /* 88-95 */
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_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L, /* 96-103 */
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_L,_L,_L,_L,_L,_L,_L,_L, /* 104-111 */
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_L,_L,_L,_L,_L,_L,_L,_L, /* 112-119 */
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_L,_L,_L,_P,_P,_P,_P,_C, /* 120-127 */
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 128-143 */
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 144-159 */
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_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 160-175 */
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_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 176-191 */
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_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
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_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
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_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
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_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
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/**
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* simple_strtoull - convert a string to an unsigned long long
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* @cp: The start of the string
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* @endp: A pointer to the end of the parsed string will be placed here
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* @base: The number base to use
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*/
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unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base)
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{
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unsigned long long result = 0,value;
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if (!base) {
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base = 10;
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if (*cp == '0') {
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base = 8;
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cp++;
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if ((toupper(*cp) == 'X') && isxdigit(cp[1])) {
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cp++;
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base = 16;
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}
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}
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} else if (base == 16) {
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if (cp[0] == '0' && toupper(cp[1]) == 'X')
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cp += 2;
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}
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while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
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? toupper(*cp) : *cp)-'A'+10) < base) {
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result = result*base + value;
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cp++;
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}
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if (endp)
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*endp = (char *)cp;
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return result;
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}
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void *
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load_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
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void *ign1, void *ign2)
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{
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unsigned long long mac64;
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decompress_kernel(load_addr, num_words, cksum);
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mac64 = simple_strtoull((char *)PIBS_MAC_BASE, 0, 16);
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memcpy(hold_residual->bi_enetaddr, (char *)&mac64+2, 6);
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#if defined(CONFIG_440GX) || defined(CONFIG_440EP)
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mac64 = simple_strtoull((char *)(PIBS_MAC_BASE+PIBS_MAC_OFFSET), 0, 16);
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memcpy(hold_residual->bi_enet1addr, (char *)&mac64+2, 6);
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#endif
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#ifdef CONFIG_440GX
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mac64 = simple_strtoull((char *)(PIBS_MAC_BASE+PIBS_MAC_OFFSET*2), 0, 16);
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memcpy(hold_residual->bi_enet2addr, (char *)&mac64+2, 6);
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mac64 = simple_strtoull((char *)(PIBS_MAC_BASE+PIBS_MAC_OFFSET*3), 0, 16);
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memcpy(hold_residual->bi_enet3addr, (char *)&mac64+2, 6);
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#endif
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return (void *)hold_residual;
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}
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