diff options
Diffstat (limited to 'contrib/rom-scan')
| -rw-r--r-- | contrib/rom-scan/Makefile | 64 | ||||
| -rw-r--r-- | contrib/rom-scan/rom-scan.c | 115 |
2 files changed, 0 insertions, 179 deletions
diff --git a/contrib/rom-scan/Makefile b/contrib/rom-scan/Makefile deleted file mode 100644 index 637404ad..00000000 --- a/contrib/rom-scan/Makefile +++ /dev/null @@ -1,64 +0,0 @@ -CPPFLAGS = -LDLIBS = -CFLAGS = -pipe -g -O2 -Wall -LDFLAGS = -pipe -CC = gcc -LD = gcc -# Some "black" magic to determine optimal compiler flags for target -# architecture -TARGET_ARCH:= $(shell if [ \! -r .compile-options ] ; then ( \ - cpu=`grep cpu /proc/cpuinfo 2>&1 |head -1| \ - cut -d : -f 2-| sed -e 's/ //g'`; \ - if [ x"$$cpu" = x"" ] ; then \ - echo -fno-strength-reduce; \ - else if [ "$$cpu" = "386" ] ; then \ - echo -m386 -fno-strength-reduce; \ - else if [ "$$cpu" = "486" ] ; then \ - echo -m486 -fno-strength-reduce; \ - else if [ "$$cpu" = "Alpha" ] ; then \ - echo -fno-strength-reduce; \ - else echo main\(\)\{\} >.compile-options.c; \ - if gcc -mpentium -o .compile-options.o -c \ - .compile-options.c &>/dev/null; then \ - echo -mpentium -fstrength-reduce; \ - else if gcc -m486 -malign-functions=2 -malign-jumps=2 \ - -malign-loops=2 -o .compile-options.o -c \ - .compile-options.c &>/dev/null; then \ - echo -n -m486 -malign-functions=2 -malign-jumps=2; \ - echo ' '-malign-loops=2 -fno-strength-reduce; \ - else echo -m486; \ - fi;fi;fi;fi;fi;fi) > .compile-options; \ - rm -f .compile-options.c .compile-options.o; \ - fi; cat .compile-options) -ASFLAGS = $(TARGET_ARCH) - -OBJS = rom-scan.o - -############################################################################## - -ifeq (.depend,$(wildcard .depend)) -all: rom-scan -include .depend -else -all: depend - @$(MAKE) all -endif - -############################################################################## - -rom-scan: $(OBJS) - -############################################################################## - -clean: - $(RM) *~ *.o *.dvi *.log *.aux *yacc.tab.[ch] *yacc.output *lex.[co] \ - *.dat .depend .tmp_depend .compile-options* - strip rom-scan >&/dev/null || true - -############################################################################## - -depend: - for i in *.c;do $(CPP) $(CPPFLAGS) -MM $$i;done >.tmp_depend - mv .tmp_depend .depend - - diff --git a/contrib/rom-scan/rom-scan.c b/contrib/rom-scan/rom-scan.c deleted file mode 100644 index c5e48299..00000000 --- a/contrib/rom-scan/rom-scan.c +++ /dev/null @@ -1,115 +0,0 @@ -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#ifndef __TURBOC__ -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> -#endif - -#ifdef __TURBOC__ -#define HUGE huge -#else -#define HUGE -#endif - -#define ROMSTART 0xC8000 -#define ROMEND 0xE8000 -#define ROMINCREMENT 0x00800 -#define ROMMASK 0x03FFF - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)(long long)-1) -#endif - -typedef struct Images { - struct Images *next; - long start; - long size; -} Images; - -static void rom_scan(const unsigned char HUGE *rom,long offset,long len) -{ - static Images *images = NULL; - Images *ptr; -/* The assignments to dummy are to overcome a bug in TurboC */ - long dummy, size; - int chksum; - long i; - - if (rom[offset] != 0x55 || rom[dummy = offset+1] != 0xAA) - return; - size = (long)rom[dummy = offset+2]*512L; - printf("Found ROM header at %04lX:0000; " - "announces %ldk image (27C%02d EPROM)\n", - offset/16,(size+512)/1024, - size <= 1024 ? 8 : - size <= 2048 ? 16 : - size <= 4096 ? 32 : - size <= 8192 ? 64 : - size <= 16384 ? 128 : - size <= 32768 ? 256 : - size <= 65536 ? 512 : 11); - if (offset & ROMMASK) - printf(" This is a unusual position; not all BIOSs might find it.\n" - " Try to move to a 16kB boundary.\n"); - if (size > len) { - printf(" This image extends beyond %04X:0000. " - "It clashes with the system BIOS\n", - ROMEND/16); - size = len; } - for (chksum=0, i = size; i--; chksum += rom[dummy = offset+i]); - if (chksum % 256) - printf(" Checksum does not match. This image is not active\n"); - ptr = malloc(sizeof(Images)); - ptr->next = images; - ptr->start = offset; - ptr->size = size; - images = ptr; - for (ptr = ptr->next; ptr != NULL; ptr = ptr->next) { - for (i = 0; i < size && i < ptr->size; i++) - if (rom[dummy = ptr->start+i] != rom[dummy = offset+i]) - break; - if (i > 32) { - printf(" Image is identical with image at %04lX:0000 " - "for the first %ld bytes\n", - ptr->start/16,i); - if (i >= 1024) - if (i == size) - printf(" this means that you misconfigured the EPROM size!\n"); - else - printf(" this could suggest that you misconfigured the " - "EPROM size\n"); - else - printf(" this is probably harmless. Just ignore it...\n"); } } - return; -} - -int main(void) -{ - long i; - unsigned char HUGE *rom; - -#ifndef __TURBOC__ - int fh; - if ((fh = open("/dev/kmem",O_RDONLY|O_SYNC)) < 0) { - fprintf(stderr,"Could not open \"/dev/kmem\": %s\n",0 );//strerror(errno)); - return(1); } - if ((rom = mmap(NULL,ROMEND-ROMSTART,PROT_READ,MAP_SHARED,fh, - ROMSTART)) == MAP_FAILED) { - fprintf(stderr,"Could not mmap \"/dev/kmem\": %s\n",0); //strerror(errno)); - close(fh); - return(1); } - close(fh); -#endif - for (i = ROMEND; (i -= ROMINCREMENT) >= ROMSTART; ) -#ifdef __TURBOC__ - rom_scan(0,i,ROMEND-i); -#else - rom_scan(rom-ROMSTART,i,ROMEND-i); - munmap(rom,ROMEND-ROMSTART); -#endif - return(0); -} |