Don't use 15M-16M area on pc98. It's reserved for some devices.

MFC after:	2 week

1 files changed, 19 insertions, 0 deletions

diff --git a/sys/boot/common/module.c b/sys/boot/common/module.c
index 098e39a..18ba1b5 100644
--- a/sys/boot/common/module.c
+++ b/sys/boot/common/module.c
@@ -351,6 +351,9 @@ file_loadraw(char *type, char *name)
     char			*cp;
     int				fd, got;
     vm_offset_t			laddr;
+#ifdef PC98
+    struct stat			st;
+#endif
 
     /* We can't load first */
     if ((file_findfile(NULL, NULL)) == NULL) {
@@ -372,6 +375,14 @@ file_loadraw(char *type, char *name)
 	return(CMD_ERROR);
     }
 
+#ifdef PC98
+    /* We cannot use 15M-16M area on pc98. */
+    if (loadaddr < 0x1000000 &&
+	fstat(fd, &st) == 0 &&
+	(st.st_size == -1 || loadaddr + st.st_size > 0xf00000))
+	loadaddr = 0x1000000;
+#endif
+
     laddr = loadaddr;
     for (;;) {
 	/* read in 4k chunks; size is not really important */
@@ -477,6 +488,14 @@ mod_loadkld(const char *kldname, int argc, char *argv[])
 	;
 
     do {
+#ifdef PC98
+	/* We cannot use 15M-16M area on pc98. */
+	struct stat st;
+	if (loadaddr < 0x1000000 &&
+	    stat(filename, &st) == 0 &&
+	    (st.st_size == -1 || loadaddr + st.st_size > 0xf00000))
+	    loadaddr = 0x1000000;
+#endif
 	err = file_load(filename, loadaddr, &fp);
 	if (err)
 	    break;