1 files changed, 0 insertions, 273 deletions
diff --git a/regress/sys/arch/i386/ldt/testldt.c b/regress/sys/arch/i386/ldt/testldt.c
deleted file mode 100644
index 3258f8cec50..00000000000
--- a/regress/sys/arch/i386/ldt/testldt.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*	$OpenBSD: testldt.c,v 1.9 2014/04/18 14:38:21 guenther Exp $	*/
-/*	$NetBSD: testldt.c,v 1.4 1995/04/20 22:42:38 cgd Exp $	*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <machine/segments.h>
-
-extern int i386_get_ldt(int, union descriptor *, int);
-extern int i386_set_ldt(int, union descriptor *, int);
-
-int verbose = 0;
-struct sigaction segv_act;
-
-static inline void
-set_fs(unsigned long val)
-{
-	__asm__ volatile("mov %0,%%fs"::"r" ((unsigned short) val));
-}
-
-static inline unsigned char
-get_fs_byte(const char * addr)
-{
-	unsigned register char _v;
-
-	__asm__ ("movb %%fs:%1,%0":"=q" (_v):"m" (*addr));
-	return _v;
-}
-
-static inline unsigned short
-get_cs(void)
-{
-	unsigned register short _v;
-
-	__asm__ ("movw %%cs,%0"::"r" ((unsigned short) _v));
-	return _v;
-}
-
-static int
-check_desc(unsigned int desc)
-{
-	desc = LSEL(desc, SEL_UPL);
-	set_fs(desc);
-	return(get_fs_byte((char *) 0));
-}
-
-static void
-gated_call(void)
-{
-	printf("Called from call gate...");
-	__asm__ volatile("popl %ebp");
-	__asm__ volatile(".byte 0xcb");
-}
-
-static struct segment_descriptor *
-make_sd(unsigned base, unsigned limit, int type, int dpl, int seg32, int inpgs)
-{
-	static struct segment_descriptor d;
-
-	d.sd_lolimit = limit & 0x0000ffff;
-	d.sd_lobase  = base & 0x00ffffff;
-	d.sd_type    = type & 0x01f;
-	d.sd_dpl     = dpl & 0x3;
-	d.sd_p	     = 1;
-	d.sd_hilimit = (limit & 0x00ff0000) >> 16;
-	d.sd_xx	     = 0;
-	d.sd_def32   = seg32?1:0;
-	d.sd_gran    = inpgs?1:0;
-	d.sd_hibase  = (base & 0xff000000) >> 24;
-
-	return (&d);
-}
-
-static struct gate_descriptor *
-make_gd(unsigned offset, unsigned int sel, unsigned stkcpy, int type, int dpl)
-{
-	static struct gate_descriptor d;
-
-	d.gd_looffset = offset & 0x0000ffff;
-	d.gd_selector = sel & 0xffff;
-	d.gd_stkcpy   = stkcpy & 0x1ff;
-	d.gd_type     = type & 0x1ff;
-	d.gd_dpl      = dpl & 0x3;
-	d.gd_p	      = 1;
-	d.gd_hioffset = (offset & 0xffff0000) >> 16;
-
-	return(&d);
-}
-
-static void
-print_ldt(union descriptor *dp)
-{
-	unsigned long base_addr, limit, offset, selector, stack_copy;
-	int type, dpl, i;
-	unsigned long *lp = (unsigned long *)dp;
-    
-	/* First 32 bits of descriptor */
-	selector = base_addr = (*lp >> 16) & 0x0000FFFF;
-	offset = limit = *lp & 0x0000FFFF;
-	lp++;
-	
-	/* First 32 bits of descriptor */
-	base_addr |= (*lp & 0xFF000000) | ((*lp << 16) & 0x00FF0000);
-	limit |= (*lp & 0x000F0000);
-	type = dp->sd.sd_type;
-	dpl = dp->sd.sd_dpl;
-	stack_copy = dp->gd.gd_stkcpy;
-	offset |= (*lp >> 16) & 0x0000FFFF;
-    
-	if (type == SDT_SYS386CGT || type == SDT_SYS286CGT)
-		printf("LDT: Gate Off %08.8x, Sel   %05.5x, Stkcpy %d DPL %d, Type %d\n",
-			offset, selector, stack_copy, dpl, type);
-	else
-		printf("LDT: Seg Base %08.8x, Limit %05.5x, DPL %d, Type %d\n",
-			base_addr, limit, dpl, type);
-	printf("	  ");
-	if (*lp & 0x100)
-		printf("Accessed, ");
-	if (*lp & 8000)
-		printf("Present, ");
-	if (type != SDT_SYS386CGT && type != SDT_SYS286CGT) {
-		if (*lp & 0x100000)
-			printf("User, ");
-		if (*lp & 0x200000)
-			printf("X, ");
-		if (*lp & 0x400000)
-			printf("32, ");
-		else
-			printf("16, ");
-		if (*lp & 0x800000)
-			printf("page limit, ");
-		else
-			printf("byte limit, ");
-	}
-	printf("\n");
-	printf("	  %08.8x %08.8x\n", *(lp), *(lp-1));
-}
-
-static void busfault(int signal, int code, struct sigcontext *sc)
-{
-	fprintf(stderr, "\nbus fault - investigate.\n");
-	_exit(1);
-}
-
-static void usage(int status)
-{
-	fprintf(stderr, "Usage: testldt [-v]\n");
-        exit(status);
-}
-
-#define MAX_USER_LDT 1024
-main(int argc, char *argv[])
-{
-	union descriptor ldt[MAX_USER_LDT];
-	int num, n, ch;
-	unsigned int cs = get_cs();
-	char *data;
-	struct segment_descriptor *sd;
-	struct gate_descriptor *gd;
-	
-	segv_act.sa_handler = (sig_t) busfault;
-	if (sigaction(SIGBUS, &segv_act, NULL) < 0) {
-		perror("sigaction");
-		exit(1);
-	}
-
-	while ((ch = getopt(argc, argv, "v")) != -1) {
-		switch (ch) {
-		case 'v':
-		    verbose++;
-		    break;
-		default:
-		    usage(1);
-		    break;
-		}
-	}
-
-	printf("Testing i386_get_ldt...\n");
-	if ((num = i386_get_ldt(0, ldt, MAX_USER_LDT)) < 0) {
-		perror("get_ldt");
-		exit(2);
-	}
-	if (num == 0) {
-	    fprintf(stderr, "ERROR: i386_get_ldt() return 0 default LDT entries.\n");
-	    exit(1);
-	}
-
-	if (verbose) {
-	    printf("Got %d (default) LDTs\n", num);
-	    for (n=0; n < num; n++) {
-		printf("Entry %d: ", n);
-		print_ldt(&ldt[n]);
-	    }
-	}
-	
-	/*
-	 * mmap a data area and assign an LDT to it
-	 */
-	printf("Testing i386_set_ldt...\n");
-	data = (void *) mmap( (char *)0x005f0000, 0x0fff,
-			     PROT_EXEC | PROT_READ | PROT_WRITE,
-			     MAP_FIXED | MAP_PRIVATE | MAP_ANON, -1, 0);
-	if (data == MAP_FAILED) {
-		perror("mmap");
-		exit(1);
-	}
-	if (verbose) printf("data address: %8.8x\n", data);
-
-	*data = 0x97;
-
-	/* Get the next free LDT and set it to the allocated data. */
-	sd = make_sd((unsigned)data, 4096, SDT_MEMRW, SEL_UPL, 0, 0);
-	if ((num = i386_set_ldt(6, (union descriptor *)sd, 1)) < 0) {
-		perror("set_ldt");
-		exit(1);
-	}
-	if (verbose) printf("setldt returned: %d\n", num);
-	if ((n = i386_get_ldt(num, ldt, 1)) < 0) {
-		perror("get_ldt");
-		exit(1);
-	}
-	if (verbose) {
-		printf("Entry %d: ", num);
-		print_ldt(&ldt[0]);
-	}
-
-	if (verbose) printf("Checking desc (should be 0x97): 0x%x\n", check_desc(num));
-	if (check_desc(num) != 0x97) {
-		fprintf(stderr, "ERROR: descriptor check failed: (should be 0x97): 0x%x\n", check_desc(num));
-		exit(1);
-	}
-	
-	/*
-	 * Test a Call Gate
-	 */
-	printf("Testing Call Gate...");
-	gd = make_gd((unsigned)gated_call, cs, 0, SDT_SYS386CGT, SEL_UPL);
-	if ((num = i386_set_ldt(5, (union descriptor *)gd, 1)) < 0) {
-		perror("set_ldt: call gate");
-		exit(1);
-	}
-	if (verbose) printf("setldt returned: %d\n", num);
-	if (verbose) printf("Call gate sel = 0x%x\n", LSEL(num, SEL_UPL));
-	if ((n = i386_get_ldt(num, ldt, 1)) < 0) {
-		perror("get_ldt");
-		exit(1);
-	}
-	if (verbose) printf("Entry %d: ", num);
-	if (verbose) print_ldt(&ldt[0]);
-
-#if 0
-	err = setldt(5,
-		     gated_call,	/* Offset */
-		     0x0001,		/* This selector is for the executable segment descriptor.  It
-					   is the standard linux text descriptor. */
-		     0x00008c00);	/* Descriptor flags (you can't set all, the OS protects some) */
-	printf("setldt returned: %d\n", err);
-#endif
-
-	__asm__ volatile(".byte 0x9a"); /* This is a call to a call gate. */
-	__asm__ volatile(".byte 0x00"); /* Value is ignored in a call gate but can be used. */
-	__asm__ volatile(".byte 0x00"); /* by the called procedure. */
-	__asm__ volatile(".byte 0x00");
-	__asm__ volatile(".byte 0x00");
-	__asm__ volatile(".byte 0x2f"); /* Selector 0x002f.	 This is index = 5 (the call gate), */
-	__asm__ volatile(".byte 0x00"); /* and a requestor priveledge level of 3. */
-
-	printf("Gated call returned\n");
-	exit (0);
-}