summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/powerpc/shared/irq
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--c/src/lib/libbsp/powerpc/shared/irq/Makefile.am4
-rw-r--r--c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S7
2 files changed, 9 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/irq/Makefile.am b/c/src/lib/libbsp/powerpc/shared/irq/Makefile.am
index 1348121c90..07bff968a8 100644
--- a/c/src/lib/libbsp/powerpc/shared/irq/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/shared/irq/Makefile.am
@@ -1,6 +1,6 @@
-##
+##
## $Id$
-##
+##
AUTOMAKE_OPTIONS = foreign 1.4
diff --git a/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S b/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S
index 0d8ab62452..9e77146e11 100644
--- a/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S
+++ b/c/src/lib/libbsp/powerpc/shared/irq/irq_asm.S
@@ -85,8 +85,15 @@ SYM (shared_raw_irq_code_entry):
stw r2, SRR1_FRAME_OFFSET(r1)
/*
* Enable data and instruction address translation, exception recovery
+ *
+ * also, on CPUs with FP, enable FP so that FP context can be
+ * saved and restored (using FP instructions)
*/
+#if (PPC_HAS_FPU == 0)
ori r3, r3, MSR_RI | MSR_IR | MSR_DR
+#else
+ ori r3, r3, MSR_RI | MSR_IR | MSR_DR | MSR_FP
+#endif
mtmsr r3
SYNC
/*