use empty_slot device for the RAM which is not installed
Models without ECC don't trap when missing ram is accessed.
Signed-off-by: Artyom Tarasenko <atar4q...@gmail.com>
---
Makefile.target | 2 +-
hw/sun4m.c | 7 ++++++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/Makefile.target b/Makefile.target
index 95c9d23..6362927 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -248,7 +248,7 @@ obj-sparc-y += cirrus_vga.o
else
obj-sparc-y = sun4m.o lance.o tcx.o sun4m_iommu.o slavio_intctl.o
obj-sparc-y += slavio_timer.o slavio_misc.o sparc32_dma.o
-obj-sparc-y += cs4231.o eccmemctl.o sbi.o sun4c_intctl.o
+obj-sparc-y += cs4231.o eccmemctl.o sbi.o sun4c_intctl.o empty_slot.o
endif
obj-arm-y = integratorcp.o versatilepb.o arm_pic.o arm_timer.o
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 90e661d..fb49af5 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -36,6 +36,7 @@
#include "isa.h"
#include "fw_cfg.h"
#include "escc.h"
+#include "empty_slot.h"
#include "qdev-addr.h"
#include "loader.h"
#include "elf.h"
@@ -820,7 +821,11 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
ram_addr_t RAM_size,
/* set up devices */
ram_init(0, RAM_size, hwdef->max_mem);
-
+ /* models without ECC don't trap when missing ram is accessed */
+ if(!hwdef->ecc_base) {
+ empty_slot_init(RAM_size, hwdef->max_mem - RAM_size);
+ }
+
prom_init(hwdef->slavio_base, bios_name);
slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
--
1.6.6.1
