- Fix SMC91c111 device emulation in qemu. This allows FreeBSD to boot on

  the GUMSTIX platform.

Approved by:	nox (maintainer)
Obtained from:	qemu git

1 files changed, 38 insertions, 0 deletions

diff --git a/emulators/qemu/files/patch-smc-fix b/emulators/qemu/files/patch-smc-fix
new file mode 100644
index 000000000000..0fb2a1ae7adb
--- /dev/null
+++ b/emulators/qemu/files/patch-smc-fix
@@ -0,0 +1,38 @@
+diff --git a/hw/smc91c111.c b/hw/smc91c111.c
+index c1a88c9..e4a2447 100644
+--- qemu/hw/smc91c111.c
++++ qemu/hw/smc91c111.c
+@@ -250,6 +250,7 @@ static void smc91c111_writeb(void *opaque, target_phys_addr_t offset,
+ {
+     smc91c111_state *s = (smc91c111_state *)opaque;
+ 
++    offset = offset & 0xf;
+     if (offset == 14) {
+         s->bank = value;
+         return;
+@@ -276,6 +277,8 @@ static void smc91c111_writeb(void *opaque, target_phys_addr_t offset,
+         case 10: case 11: /* RPCR */
+             /* Ignored */
+             return;
++        case 12: case 13: /* Reserved */
++            return;
+         }
+         break;
+ 
+@@ -421,6 +424,7 @@ static uint32_t smc91c111_readb(void *opaque, target_phys_addr_t offset)
+ {
+     smc91c111_state *s = (smc91c111_state *)opaque;
+ 
++    offset = offset & 0xf;
+     if (offset == 14) {
+         return s->bank;
+     }
+@@ -461,6 +465,8 @@ static uint32_t smc91c111_readb(void *opaque, target_phys_addr_t offset)
+         case 10: case 11: /* RPCR */
+             /* Not implemented.  */
+             return 0;
++        case 12: case 13: /* Reserved */
++            return 0;
+         }
+         break;
+