[SeaBIOS] [PATCH 2/3] acpi_piix4: Add stub functions for CPU eject callback

[Vasilis Liaskovitis]

Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis at profitbricks.com>
---
 hw/acpi_piix4.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index d5743b6..8bf30dd 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -37,6 +37,7 @@
 
 #define GPE_BASE 0xafe0
 #define PROC_BASE 0xaf00
+#define PROC_EJ_BASE 0xaf20
 #define GPE_LEN 4
 #define PCI_BASE 0xae00
 #define PCI_EJ_BASE 0xae08
@@ -493,6 +494,17 @@ static void pcihotplug_write(void *opaque, uint32_t addr, uint32_t val)
     PIIX4_DPRINTF("pcihotplug write %x <== %d\n", addr, val);
 }
 
+static uint32_t cpuej_read(void *opaque, uint32_t addr)
+{
+    PIIX4_DPRINTF("cpuej read %x\n", addr);
+    return 0;
+}
+
+static void cpuej_write(void *opaque, uint32_t addr, uint32_t val)
+{
+    PIIX4_DPRINTF("cpuej write %x <== %d\n", addr, val);
+}
+
 static uint32_t pciej_read(void *opaque, uint32_t addr)
 {
     PIIX4_DPRINTF("pciej read %x\n", addr);
@@ -553,6 +565,9 @@ static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s)
     register_ioport_write(PROC_BASE, 32, 1, gpe_writeb, s);
     register_ioport_read(PROC_BASE, 32, 1,  gpe_readb, s);
 
+    register_ioport_write(PROC_EJ_BASE, 32, 1, cpuej_write, s);
+    register_ioport_read(PROC_EJ_BASE, 32, 1,  cpuej_read, s);
+
     register_ioport_write(PCI_BASE, 8, 4, pcihotplug_write, pci0_status);
     register_ioport_read(PCI_BASE, 8, 4,  pcihotplug_read, pci0_status);
 
-- 
1.7.7.3