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authorDale Rahn <drahn@cvs.openbsd.org>2001-09-01 16:47:04 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2001-09-01 16:47:04 +0000
commit6045d5bb00b12a1d49c45cf8fc91d13b2ec1ab0d (patch)
tree15914a003f9e3260a244479c8057231d5f8456ba /distrib/macppc/common
parent5cd95bbee8e1e0fd211b3f68255c23edbc21b8e0 (diff)
Move the powerpc ramdisk building support from powerpc to macppc.
Diffstat (limited to 'distrib/macppc/common')
-rw-r--r--distrib/macppc/common/rdsetroot.c214
-rw-r--r--distrib/macppc/common/termcap.vt23
2 files changed, 237 insertions, 0 deletions
diff --git a/distrib/macppc/common/rdsetroot.c b/distrib/macppc/common/rdsetroot.c
new file mode 100644
index 00000000000..f2eaa9c429e
--- /dev/null
+++ b/distrib/macppc/common/rdsetroot.c
@@ -0,0 +1,214 @@
+/* $OpenBSD: rdsetroot.c,v 1.1 2001/09/01 16:47:03 drahn Exp $ */
+/* $NetBSD: rdsetroot.c,v 1.2 1995/10/13 16:38:39 gwr Exp $ */
+
+/*
+ * Copyright (c) 1994 Gordon W. Ross
+ * All rights reserved.
+ *
+ * ELF modifications Copyright (c) 1997 Per Fogelstrom.
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+/*
+ * Copy a ramdisk image into the space reserved for it.
+ * Kernel variables: rd_root_size, rd_root_image
+ */
+
+#include <sys/types.h>
+#include <sys/file.h>
+#include <sys/mman.h>
+
+#include <stdio.h>
+#include <nlist.h>
+#include <sys/exec_elf.h>
+
+extern off_t lseek();
+
+char *file;
+
+/* Virtual addresses of the symbols we frob. */
+long rd_root_image_va, rd_root_size_va;
+
+/* Offsets relative to start of data segment. */
+long rd_root_image_off, rd_root_size_off;
+
+/* value in the location at rd_root_size_off */
+int rd_root_size_val;
+
+/* pointers to pieces of mapped file */
+char *dataseg;
+
+/* parameters to mmap digged out from program header */
+int mmap_offs;
+int mmap_size;
+
+main(argc,argv)
+ char **argv;
+{
+ int fd, n;
+ int found;
+ int *ip;
+ char *cp;
+ Elf32_Ehdr eh;
+ Elf32_Phdr *ph;
+ int phsize;
+
+ if (argc < 2) {
+ printf("%s: missing file name\n", argv[0]);
+ exit(1);
+ }
+ file = argv[1];
+
+ fd = open(file, O_RDWR);
+ if (fd < 0) {
+ perror(file);
+ exit(1);
+ }
+
+ n = read(fd, &eh, sizeof(eh));
+ if (n < sizeof(eh)) {
+ printf("%s: reading header\n", file);
+ exit(1);
+ }
+
+ if (!IS_ELF(eh)) {
+ printf("%s: not elf\n", file);
+ exit(1);
+ }
+
+ phsize = eh.e_phnum * sizeof(Elf32_Phdr);
+ ph = (Elf32_Phdr *)malloc(phsize);
+ lseek(fd, eh.e_phoff, 0);
+ if(read(fd, (char *)ph, phsize) != phsize) {
+ printf("%s: can't read phdr area\n", file);
+ exit(1);
+ }
+ found = 0;
+ for(n = 0; n < eh.e_phnum && !found; n++) {
+ if(ph[n].p_type == PT_LOAD) {
+ found = find_rd_root_image(file, &eh, &ph[n]);
+ }
+ }
+ if(!found) {
+ printf("%s: can't locate space for rd_root_image!", file);
+ exit(1);
+ }
+
+ /*
+ * Map in the whole data segment.
+ * The file offset needs to be page aligned.
+ */
+ dataseg = mmap(NULL, /* any address is ok */
+ mmap_size, /* length */
+ PROT_READ | PROT_WRITE,
+ MAP_SHARED,
+ fd, mmap_offs);
+ if ((long)dataseg == -1) {
+ printf("%s: can not map data seg\n", file);
+ perror(file);
+ exit(1);
+ }
+
+ /*
+ * Find value in the location: rd_root_size
+ */
+ ip = (int*) (dataseg + rd_root_size_off);
+ rd_root_size_val = *ip;
+#ifdef DEBUG
+ printf("rd_root_size val: 0x%08X (%d blocks)\n",
+ rd_root_size_val, (rd_root_size_val >> 9));
+#endif
+
+ /*
+ * Copy the symbol table and string table.
+ */
+#ifdef DEBUG
+ printf("copying root image...\n");
+#endif
+ n = read(0, dataseg + rd_root_image_off,
+ rd_root_size_val);
+ if (n < 0) {
+ perror("read");
+ exit(1);
+ }
+
+ msync(dataseg, mmap_size, 0);
+
+#ifdef DEBUG
+ printf("...copied %d bytes\n", n);
+#endif
+ close(fd);
+ exit(0);
+}
+
+
+/*
+ * Find locations of the symbols to patch.
+ */
+struct nlist wantsyms[] = {
+ { "_rd_root_size", 0 },
+ { "_rd_root_image", 0 },
+ { NULL, 0 },
+};
+
+int
+find_rd_root_image(file, eh, ph)
+ char *file;
+ Elf32_Ehdr *eh;
+ Elf32_Phdr *ph;
+{
+ int data_va;
+ int std_entry;
+ int kernel_start;
+ int kernel_size;
+
+ if (nlist(file, wantsyms)) {
+ printf("%s: no rd_root_image symbols?\n", file);
+ exit(1);
+ }
+ kernel_start = ph->p_paddr;
+ kernel_size = ph->p_filesz;
+
+ rd_root_size_off = wantsyms[0].n_value - kernel_start;
+ rd_root_image_off = wantsyms[1].n_value - kernel_start;
+
+#ifdef DEBUG
+ printf("rd_root_size_off = 0x%x\n", rd_root_size_off);
+ printf("rd_root_image_off = 0x%x\n", rd_root_image_off);
+#endif
+
+ /*
+ * Sanity check locations of db_* symbols
+ */
+ if (rd_root_image_off < 0 || rd_root_image_off >= kernel_size) {
+ return(0);
+ }
+ if (rd_root_size_off < 0 || rd_root_size_off >= kernel_size) {
+ printf("%s: rd_root_size not in data segment?\n", file);
+ return(0);
+ }
+ mmap_offs = ph->p_offset;
+ mmap_size = kernel_size;
+ return(1);
+}
diff --git a/distrib/macppc/common/termcap.vt b/distrib/macppc/common/termcap.vt
new file mode 100644
index 00000000000..6ab68007c79
--- /dev/null
+++ b/distrib/macppc/common/termcap.vt
@@ -0,0 +1,23 @@
+vt200|vt220|dec-vt220|vt200-js|vt220-js|dec vt200 series with jump scroll:\
+ :AL=\E[%dL:DC=\E[%dP:DL=\E[%dM:DO=\E[%dB:IC=\E[%d@:LE=\E[%dD:\
+ :RI=\E[%dC:UP=\E[%dA:ae=^O:al=\E[L:as=^N:ct=\E[3g:dc=\E[P:dl=\E[M:\
+ :ei=\E[4l:im=\E[4h:k1=\E[17~:k2=\E[18~:k3=\E[19~:k4=\E[20~:\
+ :k5=\E[21~:k6=\E[23~:k7=\E[24~:k8=\E[25~:kD=\E[3~:kH=\E[4~:\
+ :kI=\E[2~:kN=\E[6~:kP=\E[5~:kb=\177:kh=\E[1~:km:mi:ms:\
+ :if=/usr/share/tabset/vt100:se=\E[27m:st=\EH:ue=\E[24m:\
+ :tc=vt100:
+vt100|dec-vt100|vt100-am|vt100am|dec vt100:\
+ :bl=^G:cr=^M:it#8:\
+ :do=^J:co#80:li#24:cl=50\E[;H\E[2J:sf=2*\ED:\
+ :le=^H:bs:am:cm=5\E[%i%d;%dH:nd=2\E[C:up=2\E[A:cb=3\E[1K:\
+ :ce=3\E[K:cd=50\E[J:so=2\E[7m:se=2\E[m:us=2\E[4m:ue=2\E[m:\
+ :md=2\E[1m:mr=2\E[7m:mb=2\E[5m:me=2\E[m:is=\E[1;24r\E[24;1H:\
+ :if=/usr/share/tabset/vt100:\
+ :rs=\E>\E[?3l\E[?4l\E[?5l\E[?7h\E[?8h:ks=\E[?1h\E=:ke=\E[?1l\E>:\
+ :ku=\EOA:kd=\EOB:kr=\EOC:kl=\EOD:kb=^H:\
+ :ho=\E[H:k1=\EOP:k2=\EOQ:k3=\EOR:k4=\EOS:pt:sr=2*\EM:vt#3:xn:\
+ :sc=\E7:rc=\E8:cs=\E[%i%d;%dr:
+dumb|80-column dumb tty:\
+ :am:\
+ :co#80:\
+ :bl=^G:cr=^M:do=^J:sf=^J: