diff options
Diffstat (limited to 'distrib/macppc/common')
| -rw-r--r-- | distrib/macppc/common/rdsetroot.c | 214 | ||||
| -rw-r--r-- | distrib/macppc/common/termcap.vt | 23 |
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: |