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fill inbuf over tftp, courtesy steve james at linuxlabs.com

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This commit is contained in:
Ronald G. Minnich 2001-07-02 04:18:15 +00:00
commit 422a9a71ec
1 changed files with 54 additions and 0 deletions
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54
src/rom/tftp_fill_inbuf.c Normal file
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#ifdef USE_TFTP
#include <cpu/p5/io.h>
#include <printk.h>
#include <stdlib.h>
#include <subr.h>
#include <stddef.h>
#include <rom/fill_inbuf.h>
#ifndef DOC_KERNEL_START
#define DOC_KERNEL_START 65536
#endif
static unsigned char *nvram;
static int block_count;
static int firstfill = 1;
static void memcpy_from_doc_mil(void *dest, const void *src, size_t n);
static unsigned char *doc_mil = (unsigned char *) 0xffffe000;
#ifdef CHECK_DOC_MIL
static unsigned char *checkbuf;
#endif /* CHECK_DOC_MIL */
static unsigned char *ram;
#define K64 (64 * 1024)
int fill_inbuf(void)
{
extern unsigned char *inbuf;
extern unsigned int insize;
extern unsigned int inptr;
int rc;
static keof;
if(keof)
return(-1);
if(firstfill) {
tftp_init("vmlinux");
block_count = 0;
firstfill = 0;
inbuf = ram = malloc(512);
keof=0;
}
rc = tftp_fetchone(ram);
insize = rc;
inptr = 1;
return inbuf[0];
}
#endif // USE_TFTP