75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
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#include <sys/types.h>
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#include <sys/endian.h>
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include <macppc/include/disklabel.h>
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/*
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* Creates a file for use by mkisofs's -boot-hfs-file.
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*/
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int main(int argc, char **argv) {
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struct drvr_map dm;
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struct part_map_entry pme;
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char buf[512];
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int i;
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/* Populate 18 byte driver map header. */
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memset(&dm, 0, sizeof dm);
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dm.sbSig = htobe16(DRIVER_MAP_MAGIC);
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dm.sbBlockSize = htobe16(2048);
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dm.sbBlkCount = htobe32(333000);
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dm.sbDevType = htobe16(1);
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dm.sbDevID = htobe16(1);
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dm.sbData = 0;
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dm.sbDrvrCount = 0;
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fwrite(&dm, sizeof dm, 1, stdout);
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/* Write 2048-byte and 512-byte maps. */
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memset(&pme, 0, sizeof pme);
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pme.pmSig = htobe16(PART_ENTRY_MAGIC);
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pme.pmPartBlkCnt = pme.pmDataCnt = htobe32(1);
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strcpy(pme.pmPartName, "NetBSD_BootBlock");
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strcpy(pme.pmPartType, "Apple_Driver");
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pme.pmPartStatus = htobe32(0x03b);
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pme.pmBootSize = htobe32(0x400);
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pme.pmBootLoad = pme.pmBootEntry = htobe32(0x4000);
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strcpy(pme.pmProcessor, "PowerPC");
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fwrite(&pme, sizeof pme, 1, stdout);
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pme.pmPartBlkCnt = pme.pmDataCnt = htobe32(4);
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fwrite(&pme, sizeof pme, 1, stdout);
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/* Placeholder */
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memset(buf, 0, sizeof buf);
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fwrite(buf, sizeof buf, 1, stdout);
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/* Now inject NetBSD bootblock, padded to 1k */
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fread(buf, sizeof buf, 1, stdin);
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fwrite(buf, sizeof buf, 1, stdout);
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fread(buf, sizeof buf, 1, stdin);
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fwrite(buf, sizeof buf, 1, stdout);
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/* Pad partition to 2k */
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memset(buf, 0, sizeof buf);
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fwrite(buf, sizeof buf, 1, stdout);
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fwrite(buf, sizeof buf, 1, stdout);
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/* HFS "bootblock"; enough to pacify mkisofs. */
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(*(unsigned short *)buf) = htobe16(0x4c4b);
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fwrite(buf, sizeof buf, 1, stdout);
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memset(buf, 0, sizeof buf);
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fwrite(buf, sizeof buf, 1, stdout);
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return 0;
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}
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