| Message ID | 1366956848-21062-1-git-send-email-Bharat.Bhushan@freescale.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
This was supposed to go to qemu-devel. Please Ignore this patch: Thanks -Bharat > -----Original Message----- > From: Bhushan Bharat-R65777 > Sent: Friday, April 26, 2013 11:44 AM > To: kvm-ppc@vger.kernel.org; kvm@vger.kernel.org; agraf@suse.de; Wood Scott- > B07421 > Cc: Bhushan Bharat-R65777; Bhushan Bharat-R65777; Yoder Stuart-B08248 > Subject: [PATCH] ppc: initialize GPRs as per epapr > > 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 <bharat.bhushan@freescale.com> > Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> > --- > hw/ppc/e500.c | 7 +++++++ > 1 files changed, 7 insertions(+), 0 deletions(-) > > diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index c1bdb6b..a47f976 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 > @@ -444,6 +445,12 @@ static void ppce500_cpu_reset(void *opaque) > cs->halted = 0; > env->gpr[1] = (16<<20) - 8; > env->gpr[3] = bi->dt_base; > + env->gpr[4] = 0; > + env->gpr[5] = 0; > + env->gpr[6] = EPAPR_MAGIC; > + env->gpr[7] = (64 * 1024 * 1024); > + env->gpr[8] = 0; > + env->gpr[9] = 0; > env->nip = bi->entry; > mmubooke_create_initial_mapping(env); > } > -- > 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index c1bdb6b..a47f976 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 @@ -444,6 +445,12 @@ static void ppce500_cpu_reset(void *opaque) cs->halted = 0; env->gpr[1] = (16<<20) - 8; env->gpr[3] = bi->dt_base; + env->gpr[4] = 0; + env->gpr[5] = 0; + env->gpr[6] = EPAPR_MAGIC; + env->gpr[7] = (64 * 1024 * 1024); + env->gpr[8] = 0; + env->gpr[9] = 0; env->nip = bi->entry; mmubooke_create_initial_mapping(env); }