X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootcensus;a=blobdiff_plain;f=src%2Fpci.c;h=7ebb3c52d3888789e6bf2bcc7a9b6d156d936639;hp=c5cd65e38680123ebe480e2bd04a34ec4c6e24d0;hb=5e8cc93aaf1173688852acaa0825698c2dc0cb3f;hpb=91253d061647c194cdc8c16c9ae85eccdf942139

diff --git a/src/pci.c b/src/pci.c
index c5cd65e..7ebb3c5 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -19,6 +19,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include <string.h>
 #include <inttypes.h>
 #include "pci.h"
+#include "intr.h"
 #include "int86.h"
 #include "asmops.h"
 #include "panic.h"
@@ -69,12 +70,18 @@ static uint32_t (*cfg_read32)(int, int, int, int);
 void init_pci(void)
 {
 	int i, count = 0;
+	int intrflag;
 	struct int86regs regs;
 
+	intrflag = get_intr_flag();
+
 	memset(&regs, 0, sizeof regs);
 	regs.eax = 0xb101;
 	int86(0x1a, &regs);
 
+	/* restore interrupt state in case bios changed it */
+	set_intr_flag(intrflag);
+
 	/* PCI BIOS present if CF=0, AH=0, and EDX has the "PCI " sig FOURCC */
 	if((regs.flags & FLAGS_CARRY) || (regs.eax & 0xff00) || regs.edx != PCI_SIG) {
 		printf("No PCI BIOS present\n");