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authorJoel Sherrill <joel.sherrill@OARcorp.com>1997-03-21 19:20:25 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1997-03-21 19:20:25 +0000
commit1a3e4faccbff8f7a95a802331426c581fa84ee60 (patch)
tree511ac9f2c3a8c462ecea8f4fd01f4c53e0c7034e /c/src/lib
parentRemoved Fake input ifdef code. (diff)
downloadrtems-1a3e4faccbff8f7a95a802331426c581fa84ee60.tar.bz2
added decrementer entry.
Diffstat (limited to 'c/src/lib')
-rw-r--r--c/src/lib/libcpu/powerpc/ppc403/vectors/vectors.s17
1 files changed, 17 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/ppc403/vectors/vectors.s b/c/src/lib/libcpu/powerpc/ppc403/vectors/vectors.s
index b764207648..45865c37ad 100644
--- a/c/src/lib/libcpu/powerpc/ppc403/vectors/vectors.s
+++ b/c/src/lib/libcpu/powerpc/ppc403/vectors/vectors.s
@@ -96,6 +96,7 @@
.set ext_vector,0x0500
.set align_vector,0x0600
.set prog_vector,0x0700
+ .set dec_vector,0x0900
.set sys_vector,0x0C00
.set pit_vector,0x1000
.set fit_vector,0x1010
@@ -197,6 +198,22 @@ SYM (__vectors):
li r0, PPC_IRQ_PROGRAM
b PROC (_ISR_Handler)
+/* Decrementer exception */
+ .org dec_vector - file_base
+#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27)
+#if (PPC_HAS_FPU)
+ stwu r1, -(20*4 + 18*8 + IP_END)(r1)
+#else
+ stwu r1, -(20*4 + IP_END)(r1)
+#endif
+#else
+ stwu r1, -(IP_END)(r1)
+#endif
+ stw r0, IP_0(r1)
+
+ li r0, PPC_IRQ_PROGRAM
+ b PROC (_ISR_Handler)
+
/* System call */
.org sys_vector - file_base
#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27)