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Diffstat (limited to 'sys/arch/mvme88k/stand/openbsd/bootst/bootst.c')
-rw-r--r--sys/arch/mvme88k/stand/openbsd/bootst/bootst.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/sys/arch/mvme88k/stand/openbsd/bootst/bootst.c b/sys/arch/mvme88k/stand/openbsd/bootst/bootst.c
deleted file mode 100644
index d0dd5586a57..00000000000
--- a/sys/arch/mvme88k/stand/openbsd/bootst/bootst.c
+++ /dev/null
@@ -1,357 +0,0 @@
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/reboot.h>
-#include <sys/exec.h>
-#include <machine/prom.h>
-
-#define RB_NOSYM 0x400
-
-void parse_args __P((struct mvmeprom_args *pbugargs));
-int load_kern();
-int read_tape_block __P((short ctrl, short dev, short *status,
- void *addr, int *cnt, int blk_num, u_char *flags, int verbose));
-
-struct kernel {
- void *entry;
- void *symtab;
- void *esym;
- int bflags;
- int bdev;
- char *kname;
- void *smini;
- void *emini;
- u_int end_loaded;
-} kernel;
-
-typedef(*kernel_entry) __P((struct mvmeprom_args *, struct kernel *));
-
-int
-main(pbugargs)
- struct mvmeprom_args *pbugargs;
-{
- kernel_entry addr;
-
- /*
- print_bugargs(pbugargs);
- print_time();
- print_brdid();
- print_memory();
- */
- parse_args(pbugargs);
- if (load_kern(pbugargs) == 1) {
- printf("unsuccessful in loading kernel\n");
- } else {
- addr = kernel.entry;
-
- printf("kernel loaded at %x\n", addr);
- printf("kernel.entry %x\n", kernel.entry);
- printf("kernel.symtab %x\n", kernel.symtab);
- printf("kernel.esym %x\n", kernel.esym);
- printf("kernel.bflags %x\n", kernel.bflags);
- printf("kernel.bdev %x\n", kernel.bdev);
- if (kernel.kname)
- printf("kernel.kname <%s>\n", kernel.kname);
- else
- printf("kernel.kname <null>\n");
- printf("kernel.end_loaded %x\n", kernel.end_loaded);
-
- if (kernel.bflags & RB_MINIROOT)
- loadmini(kernel.end_loaded, pbugargs);
-
- printf("kernel.smini %x\n", kernel.smini);
- printf("kernel.emini %x\n", kernel.emini);
- printf("kernel.end_loaded %x\n", kernel.end_loaded);
- if (kernel.bflags & RB_HALT)
- mvmeprom_return();
- if (((u_long)addr &0xf) == 0x2) {
- (addr)(pbugargs, &kernel);
- } else {
- /* is type fixing anything like price fixing? */
- typedef (* kernel_start) __P((int, int, void *,void *, void *));
- kernel_start addr1;
- addr1 = (void *)addr;
- (addr1)(kernel.bflags, 0, kernel.esym, kernel.smini, kernel.emini
- );
- }
-
- }
- return (0);
-}
-
-#define MVMEPROM_SCALE (512/MVMEPROM_BLOCK_SIZE)
-
-int
-read_tape_block(ctrl, dev, status, addr, cnt, blk_num, flags, verbose)
- short ctrl;
- short dev;
- short *status;
- void *addr;
- int *cnt;
- int blk_num;
- u_char *flags;
- int verbose;
-{
- struct mvmeprom_dskio dio;
- int ret;
-
- dio.ctrl_lun = ctrl;
- dio.dev_lun = dev;
- dio.status = *status;
- dio.pbuffer = addr;
- dio.blk_num = blk_num;
- dio.blk_cnt = *cnt / (512 / MVMEPROM_SCALE);
- dio.flag = *flags;
- dio.addr_mod = 0;
-
- if (verbose)
- printf("saddr %x eaddr %x", dio.pbuffer,
- (int) dio.pbuffer + (dio.blk_cnt * MVMEPROM_BLOCK_SIZE));
- ret = mvmeprom_diskrd(&dio);
-
- *status = dio.status;
- *cnt = (dio.blk_cnt / MVMEPROM_SCALE) * 512;
- if (verbose) {
- printf("status %x ret %d ", *status, ret);
- printf("flags %x blocks read %x cnt %x\n",
- *flags, dio.blk_cnt, *cnt);
- }
- return (ret);
-}
-#ifdef DEBUG
-int verbose = 1;
-#else
-int verbose = 0;
-#endif
-
-int
-load_kern(pbugargs)
- struct mvmeprom_args *pbugargs;
-{
- int ret;
- char *addr;
- u_char flags;
- short status = 0;
- int blk_num;
- struct exec *pexec;
- int magic;
- int *esym;
- int *symtab;
- int cnt, len;
- char buf[512];
-
- blk_num = 2;
- /* flags = IGNORE_FILENUM; */
- flags = 0;
- cnt = 512;
-printf("ctrl %x dev %x\n",pbugargs->ctrl_lun, pbugargs->dev_lun);
- ret = read_tape_block(pbugargs->ctrl_lun, pbugargs->dev_lun, &status,
- buf, &cnt, blk_num, &flags, verbose);
- if (ret != 0) {
- printf("unable to load kernel 1 status %x\n", status);
- return (1);
- }
- pexec = (struct exec *) buf;
- if (N_GETMID(*pexec) != MID_M68K &&
- N_GETMID(*pexec) != MID_M68K4K) {
- printf("invalid mid on kernel\n");
- return (1);
- }
-
- magic = N_GETMAGIC(*pexec);
- switch (magic) {
- case ZMAGIC:
- break;
- case NMAGIC:
- printf("NMAGIC not yet supported");
- case OMAGIC:
- case QMAGIC:
- default:
- printf("Unknown or unsupported magic type <%x>\n", magic);
- return (1);
- }
- if (magic == ZMAGIC) {
- status = 0;
- addr = (char *) (pexec->a_entry & ~0x0FFF);
-
- if ((int) pexec->a_entry != (int) addr + 0x22) {
- printf("warning kernel start address not %x, %x\n",
- (int) addr + 0x22, pexec->a_entry);
- printf("kernel loaded at %x\n", addr);
- }
- bcopy(&buf, addr, 512);
- /* 2nd block of exe */
- addr += 512;
-
- printf("text 0x%x data 0x%x bss 0x%x\n",
- pexec->a_text, pexec->a_data, pexec->a_bss);
-
- len = (pexec->a_text - 512); /* XXX */
- len += (pexec->a_data);
-
- printf("loading [ %x + %x ", pexec->a_text, pexec->a_data);
-
- cnt = len;
- flags = IGNORE_FILENUM;
- ret = read_tape_block(pbugargs->ctrl_lun, pbugargs->dev_lun,
- &status, addr, &cnt, blk_num, &flags, verbose);
- if (ret != 0 || cnt != len) {
- printf("unable to load kernel 2 status %x\n", status);
- return 1;
- }
- addr += len;
-
- /* Skip over text and data and zero bss. */
- len = pexec->a_bss;
- printf("+ %x", len);
-#ifdef DEBUG
- printf("bss %x - %x\n", addr, addr + pexec->a_bss);
-#endif
- bzero(addr, pexec->a_bss);
- addr += len;
-
- if (pexec->a_syms != 0 && !(kernel.bflags & RB_NOSYM)) {
- printf(" + [ %x", pexec->a_syms);
- addr += 4; /* skip over _end symbol */
- symtab = (void *) pexec->a_syms;
- len = pexec->a_syms;
- cnt = ((len + (512 - 1)) / 512) * 512;
- flags = IGNORE_FILENUM;
- ret = read_tape_block(pbugargs->ctrl_lun,
- pbugargs->dev_lun, &status, addr,
- &cnt, blk_num, &flags, verbose);
- if (ret != 0 || cnt != ((len + (512 - 1)) / 512) * 512) {
- printf("unable to load kernel 3\n");
- return 1;
- }
- /* this value should have already been loaded XXX */
- esym = (void *) ((u_int) addr + pexec->a_syms);
- if ((int) addr + cnt <= (int) esym) {
- printf("missed loading count of symbols\n");
- return 1;
- }
- addr += cnt;
-
-
- len = *esym;
-#if 0
- printf("start load %x end load %x %x\n", addr,
- len, addr + len);
- printf("esym %x *esym %x\n", esym, len);
-#endif
- /* dont load tail of already loaded */
- len -= (u_int) addr - (u_int) esym;
-
- if (len > 0) {
- printf(" + %x", *esym);
- esym = (void *) (addr + len);
- cnt = ((len + (512 - 1)) / 512) * 512;
- flags = IGNORE_FILENUM;
- ret = read_tape_block(pbugargs->ctrl_lun,
- pbugargs->dev_lun, &status, addr,
- &cnt, blk_num, &flags, verbose);
- if (ret != 0 || cnt != ((len + (512-1)) / 512)*512) {
- printf("unable to load kernel 4\n");
- return (1);
- }
- addr += len;
- printf(" ]");
- } else {
- printf("+ %x ]", *esym);
- }
- esym = (int *) (((int) esym) + *esym);
-
- kernel.symtab = symtab;
- kernel.esym = esym;
- } else {
- kernel.symtab = 0;
- kernel.esym = 0;
- }
- kernel.end_loaded = (int) addr;
- flags = IGNORE_FILENUM | END_OF_FILE;
- cnt = 8192;
- printf("removing pad [");
- ret = read_tape_block(pbugargs->ctrl_lun, pbugargs->dev_lun,
- &status, addr, &cnt, blk_num, &flags, verbose);
- if (ret != 0) {
- printf("unable to load kernel 5\n");
- return (1);
- }
- printf(" %d ]", cnt);
-
- printf("]\n");
- }
- kernel.entry = (void *) pexec->a_entry;
- return (0);
-}
-
-int
-loadmini(addr, pbugargs)
- u_int addr;
- struct mvmeprom_args *pbugargs;
-{
- int cnt, ret, blk_num = 3;
- short status = 0;
- u_char flags;
-
- /* align addr to some boundary */
-#define ALIGN_F 0x4
- addr = (u_int) ((((int) addr + ALIGN_F - 1) / ALIGN_F) * ALIGN_F);
-#undef ALIGN_F
- flags = END_OF_FILE;
- cnt = 6144 * 512; /* some abserdly large value. (3meg) */
- printf("loading miniroot[ ");
- ret = read_tape_block(pbugargs->ctrl_lun, pbugargs->dev_lun,
- &status, (void *) addr, &cnt, blk_num, &flags, verbose);
- if (ret != 0) {
- printf("unable to load miniroot\n");
- return (1);
- }
- kernel.smini = (void *)addr;
- printf("%d ]\n", cnt);
- kernel.emini = (void *) ((u_int) addr + cnt);
- kernel.end_loaded = (u_int) kernel.emini;
- return (0);
-}
-
-void
-parse_args(pargs)
- struct mvmeprom_args *pargs;
-{
- char *ptr = pargs->arg_start;
- char c, *name = NULL;
- int howto = 0;
-
- if (pargs->arg_start != pargs->arg_end) {
- while (c = *ptr) {
- while (c == ' ')
- c = *++ptr;
- if (!c)
- return;
- if (c != '-') {
- name = ptr;
- while ((c = *++ptr) && c != ' ');
- if (c)
- *ptr++ = 0;
- continue;
- }
- while ((c = *++ptr) && c != ' ') {
- if (c == 'a')
- howto |= RB_ASKNAME;
- else if (c == 'b')
- howto |= RB_HALT;
- else if (c == 'y')
- howto |= RB_NOSYM;
- else if (c == 'd')
- howto |= RB_KDB;
- else if (c == 'm')
- howto |= RB_MINIROOT;
- else if (c == 'r')
- howto |= RB_DFLTROOT;
- else if (c == 's')
- howto |= RB_SINGLE;
- }
- }
- }
- kernel.bflags = howto;
- kernel.kname = name;
-}
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