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-rw-r--r--sys/boot/alpha/common/main.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/sys/boot/alpha/common/main.c b/sys/boot/alpha/common/main.c
deleted file mode 100644
index f0fac9d..0000000
--- a/sys/boot/alpha/common/main.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/*-
- * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
- * Copyright (c) 1998 Doug Rabson <dfr@freebsd.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <stand.h>
-#include <string.h>
-
-#include <sys/param.h>
-#include <machine/rpb.h>
-#include <machine/prom.h>
-#include "bootstrap.h"
-#include "libalpha/libalpha.h"
-
-extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
-
-struct alpha_devdesc currdev; /* our current device */
-struct arch_switch archsw; /* MI/MD interface boundary */
-
-extern char end[];
-extern void OSFpal(void);
-extern void halt(void);
-
-unsigned long
-memsize()
-{
- struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR;
- struct mddt *mddtp;
- struct mddt_cluster *memc;
- int i;
- unsigned long total = 0;
-
- mddtp = (struct mddt *)(((caddr_t)hwrpb) + hwrpb->rpb_memdat_off);
- for (i = 0; i < mddtp->mddt_cluster_cnt; i++) {
- memc = &mddtp->mddt_clusters[i];
- total += memc->mddt_pg_cnt << PAGE_SHIFT;
- }
- return total;
-}
-
-/* #define XTRA_PAGES 32 */
-#define XTRA_PAGES 64
-
-void
-extend_heap(void)
-{
- struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR;
- struct mddt *mddtp;
- struct mddt_cluster *memc = 0;
- int i;
- unsigned long startpfn;
- vm_offset_t startva;
- vm_offset_t startpte;
-
- /*
- * Find the last usable memory cluster and add some of its pages
- * to our address space. The 256k allowed by the firmware isn't quite
- * adequate for our needs.
- */
- mddtp = (struct mddt *)(((caddr_t)hwrpb) + hwrpb->rpb_memdat_off);
- for (i = mddtp->mddt_cluster_cnt - 1; i >= 0; i--) {
- memc = &mddtp->mddt_clusters[i];
- if (!(memc->mddt_usage & (MDDT_NONVOLATILE | MDDT_PALCODE)))
- break;
- }
-
- /*
- * We want to extend the heap from 256k up to XTRA_PAGES more pages.
- * We take pages from the end of the last usable memory region,
- * taking care to avoid the memory used by the kernel's message
- * buffer. We allow 4 pages for the message buffer.
- */
- startpfn = memc->mddt_pfn + memc->mddt_pg_cnt - 4 - XTRA_PAGES;
- startva = 0x20040000;
- startpte = 0x40000000
- + (((startva >> 23) & 0x3ff) << PAGE_SHIFT)
- + (((startva >> 13) & 0x3ff) << 3);
-
- for (i = 0; i < XTRA_PAGES; i++) {
- u_int64_t pte;
- pte = ((startpfn + i) << 32) | 0x1101;
- *(u_int64_t *) (startpte + 8 * i) = pte;
- }
-}
-
-int
-main(void)
-{
- int i;
- char bootfile[128];
-
- /*
- * Initialise the heap as early as possible. Once this is done,
- * alloc() is usable. The stack is buried inside us, so this is
- * safe.
- */
- setheap((void *)end, (void *)(0x20040000 + XTRA_PAGES * 8192));
-
-#ifdef LOADER
- /*
- * If this is the two stage disk loader, add the memory used by
- * the first stage to the heap.
- */
- free_region((void *)PRIMARY_LOAD_ADDRESS,
- (void *)SECONDARY_LOAD_ADDRESS);
-#endif
-
- /*
- * XXX Chicken-and-egg problem; we want to have console output
- * early, but some console attributes may depend on reading from
- * eg. the boot device, which we can't do yet. We can use
- * printf() etc. once this is done.
- */
- cons_probe();
-
- /* switch to OSF pal code. */
- OSFpal();
-
- /*
- * Initialise the block cache
- */
- bcache_init(32, 512); /* 16k XXX tune this */
-
- /*
- * March through the device switch probing for things.
- */
- for (i = 0; devsw[i] != NULL; i++)
- if (devsw[i]->dv_init != NULL)
- (devsw[i]->dv_init)();
-
- printf("\n");
- printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
- printf("(%s, %s)\n", bootprog_maker, bootprog_date);
- printf("Memory: %ld k\n", memsize() / 1024);
-
- /* We're booting from an SRM disk, try to spiff this */
- currdev.d_dev = devsw[0]; /* XXX presumes that biosdisk is first in devsw */
- currdev.d_type = currdev.d_dev->dv_type;
- currdev.d_kind.srmdisk.unit = 0;
- currdev.d_kind.srmdisk.slice = -1; /* XXX should be able to detect this, default to autoprobe */
- currdev.d_kind.srmdisk.partition = 0; /* default to 'a' */
-
- /* Create alpha-specific variables */
- prom_getenv(PROM_E_BOOTED_FILE, bootfile, sizeof(bootfile));
- if (bootfile[0])
- setenv("bootfile", bootfile, 1);
- env_setenv("currdev", EV_VOLATILE, alpha_fmtdev(&currdev), alpha_setcurrdev, env_nounset);
- env_setenv("loaddev", EV_VOLATILE, alpha_fmtdev(&currdev), env_noset, env_nounset);
- setenv("LINES", "24", 1); /* optional */
-
- archsw.arch_autoload = alpha_autoload;
- archsw.arch_getdev = alpha_getdev;
- archsw.arch_copyin = alpha_copyin;
- archsw.arch_copyout = alpha_copyout;
- archsw.arch_readin = alpha_readin;
-
- /*
- * SRM firmware takes *ages* to open the disk device. We hold it
- * open until the closeall() when we exec the kernel. Note that
- * we must close it eventually since otherwise the firmware leaves
- * the ncr hardware in a broken state (at least it does on my EB164).
- */
- open("/boot", O_RDONLY);
-
- interact(); /* doesn't return */
-
- return 0;
-}
-
-COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
-
-static int
-command_reboot(int argc, char *argv[])
-{
-
- printf("Rebooting...\n");
- delay(1000000);
- reboot();
- /* Note: we shouldn't get to this point! */
- panic("Reboot failed!");
- exit(0);
-}
-
-COMMAND_SET(halt, "halt", "halt the system", command_halt);
-
-static int
-command_halt(int argc, char *argv[])
-{
- halt(); /* never returns */
- return(CMD_OK);
-}
-
-#if 0
-
-COMMAND_SET(stack, "stack", "show stack usage", command_stack);
-
-static int
-command_stack(int argc, char *argv[])
-{
- char *cp;
-
- for (cp = &stackbase; cp < &stacktop; cp++)
- if (*cp != 0)
- break;
-
- printf("%d bytes of stack used\n", &stacktop - cp);
- return(CMD_OK);
-}
-
-#endif
-
-COMMAND_SET(heap, "heap", "show heap usage", command_heap);
-
-static int
-command_heap(int argc, char *argv[])
-{
- printf("heap base at %p, top at %p, used %ld\n", end, sbrk(0), sbrk(0) - end);
- return(CMD_OK);
-}
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