ePAPR defines the initial values of cpu registers.
This patch initialize the GPRs as per ePAPR specification.
This resolves the issue of guest reboot/reset (guest hang on reboot).
Signed-off-by: Bharat Bhushan <address@hidden>
---
v1-->v2
- Dynemic seting of initial map size in gpr[7]
- For this the tlb size calculation is moved into a function.
hw/ppc/e500.c | 29 ++++++++++++++++++++++++++---
1 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index c1bdb6b..decd86c 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -37,6 +37,7 @@
#include "qemu/host-utils.h"
#include "hw/pci-host/ppce500.h"
+#define EPAPR_MAGIC (0x45504150)
#define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb"
#define UIMAGE_LOAD_BASE 0
#define DTC_LOAD_PAD 0x1800000
@@ -393,11 +394,10 @@ static inline hwaddr
booke206_page_size_to_tlb(uint64_t size)
return 63 - clz64(size >> 10);
}
-static void mmubooke_create_initial_mapping(CPUPPCState *env)
+static int booke206_initial_map_tsize(CPUPPCState *env)
{
struct boot_info *bi = env->load_info;
- ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0);
- hwaddr size, dt_end;
+ hwaddr dt_end;
int ps;
/* Our initial TLB entry needs to cover everything from 0 to
@@ -408,6 +408,23 @@ static void
mmubooke_create_initial_mapping(CPUPPCState *env)
/* e500v2 can only do even TLB size bits */
ps++;
}
+ return ps;
+}
+static uint64_t mmubooke_initial_mapsize(CPUPPCState *env)