summaryrefslogtreecommitdiffstats
path: root/arch/ia64/kvm/process.c
diff options
context:
space:
mode:
authorJames Morris <jmorris@namei.org>2009-03-24 10:52:46 +1100
committerJames Morris <jmorris@namei.org>2009-03-24 10:52:46 +1100
commit703a3cd72817e99201cef84a8a7aecc60b2b3581 (patch)
tree3e943755178ff410694722bb031f523136fbc432 /arch/ia64/kvm/process.c
parentdf7f54c012b92ec93d56b68547351dcdf8a163d3 (diff)
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
downloadop-kernel-dev-703a3cd72817e99201cef84a8a7aecc60b2b3581.zip
op-kernel-dev-703a3cd72817e99201cef84a8a7aecc60b2b3581.tar.gz
Merge branch 'master' into next
Diffstat (limited to 'arch/ia64/kvm/process.c')
-rw-r--r--arch/ia64/kvm/process.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c
index 552d077..230eae4 100644
--- a/arch/ia64/kvm/process.c
+++ b/arch/ia64/kvm/process.c
@@ -455,13 +455,18 @@ fpswa_ret_t vmm_fp_emulate(int fp_fault, void *bundle, unsigned long *ipsr,
if (!vmm_fpswa_interface)
return (fpswa_ret_t) {-1, 0, 0, 0};
- /*
- * Just let fpswa driver to use hardware fp registers.
- * No fp register is valid in memory.
- */
memset(&fp_state, 0, sizeof(fp_state_t));
/*
+ * compute fp_state. only FP registers f6 - f11 are used by the
+ * vmm, so set those bits in the mask and set the low volatile
+ * pointer to point to these registers.
+ */
+ fp_state.bitmask_low64 = 0xfc0; /* bit6..bit11 */
+
+ fp_state.fp_state_low_volatile = (fp_state_low_volatile_t *) &regs->f6;
+
+ /*
* unsigned long (*EFI_FPSWA) (
* unsigned long trap_type,
* void *Bundle,
@@ -545,10 +550,6 @@ void reflect_interruption(u64 ifa, u64 isr, u64 iim,
status = vmm_handle_fpu_swa(0, regs, isr);
if (!status)
return ;
- else if (-EAGAIN == status) {
- vcpu_decrement_iip(vcpu);
- return ;
- }
break;
}
OpenPOWER on IntegriCloud