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- #ident "$Id: e820test.c,v 1.8 2004/12/14 22:46:25 hpa Exp $"
- /* ----------------------------------------------------------------------- *
- *
- * Copyright 2001-2003 H. Peter Anvin - All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
- * Boston MA 02111-1307, USA; either version 2 of the License, or
- * (at your option) any later version; incorporated herein by reference.
- *
- * ----------------------------------------------------------------------- */
-
- /*
- * e820hack.c
- *
- * Test of INT 15:E820 canonicalization/manipulation routine
- */
-
- #include <string.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <inttypes.h>
- #include "e820.h"
-
- void *sys_bounce; /* Dummy */
-
- extern void parse_mem(void);
- extern uint32_t dos_mem, low_mem, high_mem;
-
- void __attribute__((noreturn)) die(void)
- {
- abort();
- }
-
- void printranges(void) {
- int i;
-
- for ( i = 0 ; i < nranges ; i++ ) {
- printf("%016llx %016llx %d\n",
- ranges[i].start,
- ranges[i+1].start - ranges[i].start,
- ranges[i].type);
- }
- }
-
- int main(void)
- {
- uint64_t start, len;
- uint32_t type;
- char line[BUFSIZ], *p;
-
- e820map_init();
- printranges();
-
- while ( fgets(line, BUFSIZ, stdin) ) {
- p = strchr(line, ':');
- p = p ? p+1 : line;
- if ( sscanf(p, " %llx %llx %d", &start, &len, &type) == 3 ) {
- putchar('\n');
- printf("%016llx %016llx %d <-\n", start, len, type);
- putchar('\n');
- insertrange(start, len, type);
- printranges();
- }
- }
-
- parse_mem();
-
- putchar('\n');
- printf("DOS mem = %#10x (%u K)\n", dos_mem, dos_mem >> 10);
- printf("Low mem = %#10x (%u K)\n", low_mem, low_mem >> 10);
- printf("High mem = %#10x (%u K)\n", high_mem, high_mem >> 10);
- putchar('\n');
-
- /* Now, steal a chunk (2K) of DOS memory and make sure it registered OK */
- insertrange(dos_mem-2048, 2048, 2); /* Type 2 = reserved */
-
- printranges();
- parse_mem();
-
- putchar('\n');
- printf("DOS mem = %#10x (%u K)\n", dos_mem, dos_mem >> 10);
- printf("Low mem = %#10x (%u K)\n", low_mem, low_mem >> 10);
- printf("High mem = %#10x (%u K)\n", high_mem, high_mem >> 10);
- putchar('\n');
-
- return 0;
- }
-