From 74741d748a7fbe54153031cebc1eaa14cce169f1 Mon Sep 17 00:00:00 2001
From: Jasmine Iwanek <jasmine@iwanek.co.uk>
Date: Sat, 23 Jul 2022 01:01:45 -0400
Subject: [PATCH] Missing ports from M&K

---
 src/device/pci_bridge.c     |  1 +
 src/device/smbus_piix4.c    |  3 +--
 src/include/86box/machine.h |  5 +++++
 src/include/86box/smbus.h   |  1 -
 src/machine/machine_table.c | 35 +++++++++++++++++++++++++++++++++++
 5 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/src/device/pci_bridge.c b/src/device/pci_bridge.c
index 73fd3d157..583b77262 100644
--- a/src/device/pci_bridge.c
+++ b/src/device/pci_bridge.c
@@ -471,6 +471,7 @@ pci_bridge_init(const device_t *info)
     pci_bridge_reset(dev);
 
     dev->slot = pci_add_card(AGP_BRIDGE(dev->local) ? PCI_ADD_AGPBRIDGE : PCI_ADD_BRIDGE, pci_bridge_read, pci_bridge_write, dev);
+
     interrupt_count = sizeof(interrupts);
     interrupt_mask = interrupt_count - 1;
     if (dev->slot < 32) {
diff --git a/src/device/smbus_piix4.c b/src/device/smbus_piix4.c
index de26b061c..c96a9fa57 100644
--- a/src/device/smbus_piix4.c
+++ b/src/device/smbus_piix4.c
@@ -28,7 +28,6 @@
 #include <86box/i2c.h>
 #include <86box/smbus.h>
 
-
 #ifdef ENABLE_SMBUS_PIIX4_LOG
 int smbus_piix4_do_log = ENABLE_SMBUS_PIIX4_LOG;
 
@@ -99,7 +98,7 @@ smbus_piix4_write(uint16_t addr, uint8_t val, void *priv)
 {
     smbus_piix4_t *dev = (smbus_piix4_t *) priv;
     uint8_t smbus_addr, cmd, read, block_len, prev_stat;
-    uint16_t timer_bytes = 0, i;
+    uint16_t timer_bytes = 0, i = 0;
 
     smbus_piix4_log("SMBus PIIX4: write(%02X, %02X)\n", addr, val);
 
diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 3f887e7a9..1873d329c 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -332,6 +332,11 @@ extern int   machine_get_ram_granularity(int m);
 extern int   machine_get_type(int m);
 extern void  machine_close(void);
 
+extern uint8_t  machine_get_p1(void);
+extern void     machine_load_p1(int m);
+extern uint32_t machine_get_gpi(void);
+extern void	    machine_load_gpi(int m);
+extern void     machine_set_gpi(uint32_t gpi);
 
 /* Initialization functions for boards and systems. */
 extern void	machine_common_init(const machine_t *);
diff --git a/src/include/86box/smbus.h b/src/include/86box/smbus.h
index 4c2c00c17..2a4d4f0ee 100644
--- a/src/include/86box/smbus.h
+++ b/src/include/86box/smbus.h
@@ -53,7 +53,6 @@ typedef struct {
     void	*i2c;
 } smbus_ali7101_t;
 
-
 extern void	smbus_piix4_remap(smbus_piix4_t *dev, uint16_t new_io_base, uint8_t enable);
 extern void	smbus_piix4_setclock(smbus_piix4_t *dev, int clock);
 
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 91f9ddf76..2c4a3bba9 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -10967,6 +10967,41 @@ const machine_t machines[] = {
     }
 };
 
+/* Saved copies - jumpers get applied to these.
+   We use also machine_gpio to store IBM PC/XT jumpers as they need more than one byte. */
+static uint16_t        machine_p1;
+static uint32_t        machine_gpio;
+
+uint8_t
+machine_get_p1(void)
+{
+    return machine_p1;
+}
+
+void
+machine_load_p1(int m)
+{
+    machine_p1 = machines[machine].kbc_p1;
+}
+
+uint32_t
+machine_get_gpio(void)
+{
+    return machine_gpio;
+}
+
+void
+machine_load_gpio(int m)
+{
+    machine_gpio = machines[machine].gpio;
+}
+
+void
+machine_set_gpio(uint32_t gpio)
+{
+    machine_gpio = gpio;
+}
+
 int
 machine_count(void)
 {